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INTRODUCTION

ORBAN MODEL 6300

The peak limiters can be switched to operate either “flat” or on a 50



s or 75



s pre-

emphasis curve to protect a pre-emphasized path like a typical analog microwave
STL.

When operated in pre-emphasized mode, the peak limiters should only
be used for light protection limiting with a low duty cycle. Otherwise,
you may hear pumping on material with a lot of high frequency energy
like sibilance.

Because the look-ahead peak limiting technology used in the 6300 per-
forms optimally with “flat” transmission channels (like almost all digital
channels), the 6300 cannot provide loudness processing for pre-
emphasized radio channels. Use one of Orban’s Optimod-FM processors
for this application. For analog television with FM aural carrier(s), use
Optimod-TV 8382.

Studio-Transmitter Link

The following information is mainly relevant to digital radio and TV broadcasters
who have their transmitters and studios at different locations. Most netcasters will
not find the information in this section relevant because if netcasters need to ship
audio beyond their LAN, they ordinarily ship it from one location to another in the
form of encoded audio through low-capacity Telco-supplied digital links like ISDN or
E-1/T-1.

Transmission from Studio to Transmitter

There are five types of studio-transmitter links (STLs) in common use in broadcast
service: uncompressed digital, digital with lossy compression (like MPEG, Dolby

®

, or

APT-x

®

), microwave, analog landline (telephone/post line), and audio subcarrier on a

video microwave STL.

At this writing, we believe that the Internet is insufficiently reliable to
serve as a carrier for a real-time STL because of the risk that network in-
terruptions might randomly disturb the audio feed.

STLs are used in two fundamentally different ways. Either they can pass unprocessed
audio for application to OPTIMOD 6300’s input or they can pass OPTIMOD 6300’s
peak-controlled output. The two applications have fundamentally different per-
formance requirements.



A link that passes unprocessed audio should have very low noise and low non-
linear distortion, but its transient response is not important.



A link that passes processed audio does not need as low a noise floor as a link
passing unprocessed audio. However, its transient response is critical. In DAB ap-
plications, such a link

must

be uncompressed digital and

must

use digital inputs

and outputs to achieve best results. We will elaborate below.

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Содержание OPTIMOD 6300

Страница 1: ...Operating Manual OPTIMOD 6300 Digital Multipurpose Audio Processor Version 1 1 Software ...

Страница 2: ...rs alerts you to the presence of uninsulated dangerous voltage inside the enclosure voltage that may be sufficient to constitute a risk of shock This symbol wherever it appears alerts you to important operating and maintenance instructions in the accompa nying literature Read the manual In accordance to the WEEE waste electrical and electronic equipment direc tive of the European Parliament this p...

Страница 3: ... spilled into the enclosure through openings Damage Requiring Service The appliance should be serviced by qualified service personnel when The power supply cord or the plug has been damaged or Objects have fallen or liquid has been spilled into the appliance or The appliance has been exposed to rain or The appliance does not appear to operate normally or exhibits a marked change in performance or ...

Страница 4: ... de service aprésvente autorisé Safety Instructions Spanish Hacer funcionar el aparato sólo con la tensión y clase de corriente señaladas en la placa indicadora de características Reemplazar los fusibles sólo por otros de la misma intensidad de corriente y sistema de desconexión No poner nunca los fusibles en puente Proteger el cable de alimentación contra toda clase de daños No doblar o apretar e...

Страница 5: ...ou pack the unit for shipping 1 Tighten all screws on any barrier strip s so the screws do not fall out from vibration 2 Wrap the unit in its original plastic bag to avoid abrading the paint 3 Seal the inner and outer cartons with tape If you are returning the unit permanently for credit be sure to enclose The Manual s The Registration Warranty Card The Line Cord All Miscellaneous Hardware includi...

Страница 6: ...00 volts This is the spark or shock you may have felt when touching a doorknob or some other conductive surface A much smaller static discharge is likely to destroy one or more of the CMOS semiconductors employed in OPTIMOD 6300 Static damage will not be covered under warranty There are many common sources of static Most involve some type of friction between two dissimilar materials Some examples ...

Страница 7: ...Operating Manual OPTIMOD 6300 Digital Multipurpose Audio Processor Version 1 1 Software ...

Страница 8: ...gain control before the STL 1 10 USING OPTIMOD 6300 AS A STUDIO LEVEL CONTROLLER 1 10 STUDIO TRANSMITTER LINK 1 12 Transmission from Studio to Transmitter 1 12 Digital links 1 13 Microwave STLs 1 14 Analog landline PTT post office line 1 15 USING LOSSY DATA REDUCTION IN THE AUDIO CHAIN BEFORE THE 6300 1 15 INTERFACING TO THE TRANSMITTER 1 16 Sync Input 1 16 AES User Bits 1 16 Sample Rate and Audio...

Страница 9: ...ettings Factory Configuration 2 10 QUICK SETUP 2 12 ANALOG AND DIGITAL I O SETUP 2 20 AUTOMATION USING THE 6300 S INTERNAL CLOCK 2 29 SECURITY AND PASSCODE PROGRAMMING 2 31 To Create a Passcode 2 32 To Edit a Passcode 2 32 To Delete a Passcode 2 33 To Lock the Front Panel Immediately 2 33 To Program local lockout 2 33 To Unlock the Front Panel 2 34 Dial up Networking and the Passcode 2 34 If You H...

Страница 10: ...UND 3 10 Basic Modify 3 10 Full Modify 3 11 Advanced Modify 3 12 Gain Reduction Metering 3 12 To Create or Save a User Preset 3 13 ABOUT THE PROCESSING STRUCTURES 3 14 FACTORY PROGRAMMING PRESETS 3 16 Protection and AGC Presets 3 17 Table 3 1 Protection and AGC Presets 3 18 Radio Style Presets 3 19 Table 3 2 Radio Style Presets 3 20 Sound for Picture Presets 3 25 Table 3 3 Factory Programming Pres...

Страница 11: ...and automation files 3 61 To modify INPUT OUTPUT and SYSTEM SETUP 3 62 To modify AUTOMATION 3 62 To group multiple 6300s 3 62 Navigation Using the Keyboard 3 63 To Quit the Program 3 63 About Aliases created by Optimod 6300 PC Remote Software 3 63 Multiple Installations of Optimod 6300 PC Remote 3 63 USING THE 6300 FOR PRODUCTION AND MASTERING 3 65 Section 4 Maintenance 4 1 ROUTINE MAINTENANCE 4 1...

Страница 12: ...ICE 5 7 Troubleshooting Windows 2000 Direct Connect 5 7 Troubleshooting Windows 2000 Modem Connect 5 8 Troubleshooting Windows XP Direct Connect 5 9 Troubleshooting Windows XP Modem Connect 5 10 TROUBLESHOOTING IC OPAMPS 5 11 TECHNICAL SUPPORT 5 12 FACTORY SERVICE 5 12 SHIPPING INSTRUCTIONS 5 12 Section 6 Technical Data 6 1 SPECIFICATIONS 6 1 Performance 6 1 Installation 6 2 CIRCUIT DESCRIPTION 6 ...

Страница 13: ... R Analog Outputs Schematic 2 of 9 6 30 Digital Input and Sync Input Schematic 3 of 9 6 31 Digital Outputs Schematic 4 of 9 6 32 DSP Extended Serial Audio Inter face ESAI and Host Interface Schematic 5 of 9 6 33 DSP Serial Peripheral Interface Power and Ground Schematic 6 of 9 6 34 General Purpose bus 8 bit I O Schematic 7 of 9 6 35 Serial Audio Interface and Clock Generation Schematic 8 of 9 6 36...

Страница 14: ...onnections 2 5 input connecting 2 6 output 2 7 output connecting 2 6 Audio Precision 4 6 auditing performance 4 6 automation add event 2 30 delete event 2 31 edit event 2 31 automation 2 29 automation 3 62 B B5 down expand 3 53 backing up presets 3 60 balance adjust 2 22 balanced inputs 2 6 output simulates transformer 2 6 band coupling 3 53 bandwidth 2 13 20 base board removing 4 2 replacing 4 4 ...

Страница 15: ...oint 3 46 compression ratio 3 45 contrast 3 1 description 3 1 Final Limit 3 39 knee 3 46 LO PASS 3 31 MAX LPF 2 13 20 soft buttons 3 1 SYNC DELAY 2 20 corrosion 4 1 coupling controls 3 53 crossover allpass 3 37 linear phase 3 38 modes 3 37 crossover Ethernet cable 5 6 D D A converter circuit description 6 9 specification 6 2 delay setting processing 2 20 delay 3 10 Delay 6 2 delta release control ...

Страница 16: ...ntrols 3 54 five band 3 47 frequency response specification 6 1 testing 4 9 front panel 3 1 Full Modify 3 11 fuse 6 10 G gain reduction meters 3 2 gate threshold control 3 52 gate 3 34 gate LED 3 2 Gateway 2 44 58 gateway address 2 37 getting inside the unit 4 2 GPI specifications 6 3 GPI interface testing 4 11 ground chassis 2 9 grounding circuit 2 9 loss of 4 1 power 2 8 grounding 2 8 grouping 6...

Страница 17: ...ot pass at 100 modulation 5 4 line up tones 1 19 Lo Pass control 3 31 location 1 9 lock driven equipment cannot lock to 6300 output 5 4 lockout immediate 2 33 programming local 2 33 unlocking front panel 2 34 look ahead limiter XE presets AGC 3 XE presets protection 3 using 6300 as 3 17 look ahead limiter 3 9 look ahead limiting 3 3 lossy data reduction in studio 1 15 loudness insufficient 5 5 ins...

Страница 18: ... 6300 1 1 output analog output level trim adjustment 4 8 analog connecting 2 6 analog specifications 6 2 digital setting dither 2 26 digital setting sample rate 2 26 digital setting sync 2 26 digital setting word length 26 digital specifications 6 3 headphone monitoring setup 2 14 24 26 output level I O setup 2 24 25 quick setup 2 17 output mix controls 3 54 overshoot excessive 5 1 P parametric eq...

Страница 19: ...1 processing AGC 3 7 block diagram 6 41 distortion in 3 3 equalization 3 8 introduction to 3 3 multiband compression 3 8 music speech 3 5 radio style 3 5 signal flow 3 6 Stereo enhancement 3 7 structures 1 3 structures 3 14 two band purist 30 9 video oriented 3 6 processing structures two band 3 25 Proof of Performance 1 5 Proof of Performance 3 56 Q quick setup 2 12 R rack mounting unit 2 2 ratio...

Страница 20: ...tons 3 1 Software updating 8500 2 68 software updates 1 5 Sound Technology 4 6 sound for picture processing 3 6 spare parts obtaining 6 13 specifications 6 1 speech music detector 3 5 Sports format 3 23 station ID setting 2 18 Status bits AES3 2 18 stereo control by status bits 2 18 stereo enhancement 3 7 Stereo enhancer Controls 3 31 Stereo Enhancer Amount 3 32 Depth 3 32 Diffusion 3 32 In Out 3 ...

Страница 21: ... control 3 42 two band processing structure 3 25 two band structure 3 40 U unlock front panel 2 34 unpacking 2 1 Updating software 2 68 Urban format 3 25 user presets archiving 3 14 creating 3 6 11 13 user presets 1 6 V VPN setting up 2 44 58 W warranty 1 24 Warranty 1 24 warranty 6 4 window release control 3 36 window size control 3 36 Windows installing services 2 42 Windows 2000 adding direct s...

Страница 22: ......

Страница 23: ...all digital signal path and simultaneously as a talent headphone processor Because all processing is performed by high speed mathematical calculations within Motorola DSP56367 Digital Signal Processing chips the processing has cleanliness quality and stability over time and temperature that is unmatched by analog proc essors OPTIMOD 6300 is descended from the industry standard OPTIMOD audio proces...

Страница 24: ...s see the metering while you are adjust ing the processor Navigation is by dedicated buttons soft buttons whose func tion is context sensitive and a large rotary knob The LEDs show all metering functions of the processing structure 2 band or 5 band in use Push one of the dedicated buttons to Recall a preset to Modify processing or to access the system s Setup controls Absolute Control of Peak Modu...

Страница 25: ...tween 10 kHz and 20 kHz 20 kHz is used for highest quality systems 15 kHz meets the requirements of any system that uses 32 kHz sample frequency while 10 kHz is appropriate for 24 kHz sample frequency The 6300 s dual mono mode allows entirely separate mono programs to be processed facilitating dual language operation In this mode both processing channels operate using the same process ing paramete...

Страница 26: ...dness Controller for DTV applications This system measures subjective loudness as perceived by an average listener and then closes a feedback loop to limit loudness to a preset level It effectively controls loud commercials which are the primary irritant in sound for picture applications The CBS Loudness Controller is not needed with the 5 band processing because the 5 band processing s spectral c...

Страница 27: ...ng quick and ac curate level setting in any system The 6300 s software can be upgraded by running Orban supplied download able upgrade software on a PC The upgrade can occur remotely through the 6300 s Ethernet port or serial port connected to an external modem or locally by connecting a Windows computer to the 6300 s serial port through the sup plied null modem cable Presets in OPTIMOD 6300 There...

Страница 28: ...eset having the desired structure You cannot change the structure that an existing User Preset uses User Presets are stored in non volatile memory that does not require battery backup To Create or Save a User Preset on page 3 13 has more about User Presets Input Output Configuration OPTIMOD 6300 simultaneously accommodates Digital AES3 left right inputs and dual outputs Analog left right inputs an...

Страница 29: ...put sample rate can be locked to the 6300 s internal crystal clock the sample rate present at its AES3 input the sample rate present at its AES11 sync in put or wordclock The 6300 can apply J 17 deemphasis to signals applied to its digital input and J 17 preemphasis to the processed signal emitted from its digital output J 17 is a 6 dB octave shelving preemphasis deemphasis standard with break poi...

Страница 30: ... remote control interface Computer Interface On the rear panel of the 6300 are an RS 232 serial port and an Ethernet port for in terfacing to IBM compatible PCs either locally or through a TCP IP network These computer interfaces support remote control and metering and allow downloading software upgrades Each 6300 package ships with 6300 PC Remote software an application for any IBM compatible PC ...

Страница 31: ...th because the bandwidth limiting occurs before OPTIMOD 6300 s peak limiter which then accurately controls the peak level of the 15 kHz band limited signal Unless the path is a digital path using no lossy compression this situation will yield lower performance than if OPTIMOD 6300 is connected directly to the transmitter because artifacts that cannot be controlled by OPTIMOD 6300 will be introduce...

Страница 32: ...ss if digital performing the AGC function at the studio site can minimize the audibility of this noise AGC applied before the audio link improves the signal to noise ratio because the average level on the link will be greater Further many STLs require level control to prevent the STL from being overloaded To apply such level control and compression we recommend an Orban AGC Limiter HF Limiter Clip...

Страница 33: ... multiband processing is based on the technology used in Op timod FM 8500 s digital radio processing path and will sound similar To help you match the sound of an 8400 or 8500 the 6300 provides presets with the same names as those in Optimod 8400 and 8500 If you are us ing a factory preset at a transmitter side 8400 or 8500 you can recall a preset with the same name in the 6300 to ensure that the ...

Страница 34: ...cation to another in the form of encoded audio through low capacity Telco supplied digital links like ISDN or E 1 T 1 Transmission from Studio to Transmitter There are five types of studio transmitter links STLs in common use in broadcast service uncompressed digital digital with lossy compression like MPEG Dolby or APT x microwave analog landline telephone post line and audio subcarrier on a vide...

Страница 35: ...that OPTIMOD 6300 s multiband processing will not unmask quantization noise This is also true of any lossy data re duction applied in the studio such as hard disk digital delivery systems For MPEG Layer 2 encoding we recommend 384kb second or higher Some links may use straightforward PCM pulse code modulation without lossy data reduction If you connect to these through an AES3 digital interface th...

Страница 36: ...from studio to transmitter of less than 10 miles 16 km If not RF signal to noise ratio multipath distortion and diffraction effects can cause serious quality problems However the noise and non linear distortion charac teristics of such links are likely to be notably poorer than 16 bit digital even if propagation conditions are ideal As discussed above asynchronous resampling will cause overshoots ...

Страница 37: ... the lines locally avail able and upon the availability of other alternatives Due to line equalizer character istics and phase shifts even the best landlines tend to veil audio quality slightly They will certainly be the weakest link in a DAB broadcast chain Slight frequency response irregularities and non constant group delay characteristics will alter the peak to average ratio and will thus redu...

Страница 38: ... input Because the 6300 s digital input is equipped with a sample rate converter an asyn chronous digital input can be applied to the 6300 while its output is synchronized to a master sync generator AES User Bits In Setup you can configure the 6300 to either block or pass AES User Bits from its digital input to its digital output Sample Rate and Audio Bandwidth Most DAB audio is at 48 kHz sample r...

Страница 39: ...on the system in which OPTIMOD 6300 is installed The selections are MINIMUM approximately 24 ms delay 30 fps NTSC monochrome video 29 97 fps NTSC color video 25 fps most PAL video and 24 fps film You can also adjust the delay in one millisecond increments from 15 to 96 ms About Transmission Levels and Metering Meters Studio engineers and transmission engineers consider audio levels and their meas ...

Страница 40: ... studio standardizes on a maximum program indication on the meter that is lower than the clipping level so those peaks that the meter does not indicate will not be clipped Line up level is usually at this same maximum meter indication In facilities that use VU meters this level is usually at 0VU which corresponds to the studio standard level typically 4 or 8dBu For facilities using 4dBu standard l...

Страница 41: ...modula tion Left and right input level is shown on a VU type scale 0 to 40dB while the metering indicates absolute instantaneous peak much faster than a standard PPM or VU meter The input meter is scaled so that 0 dB corresponds to the absolute maximum peak level that the 6300 can accept 26 dBu If you are using the AES3 digital input the maximum digital word at the input corresponds to the 0 dB po...

Страница 42: ...boosts at certain frequencies is very likely to add peak level and thus cause clipping However equalization that attenuates certain frequencies can also cause overshoots because of added phase shifts So be wary of any equalization and allow headroom to accommodate it Third is headroom in lossy data compression systems A well designed perceptual en coder will accept samples up to 0dBfs and will hav...

Страница 43: ...rapidity we expect it to become outdated quickly Please check Orban s web site www orban com for newer information Using OPTIMOD 6300 in Streaming Applications You need an audio source connection either analog AES3 digital or SPDIF digital The digital input can accept any sample rate from 20 to 96 kHz You can also use any stream available within the computer s internal WAVE audio system such as a ...

Страница 44: ...nnection speeds MPEG 1 Layer 3 has become a de facto standard for distribution of non streaming high fidelity audio on the Internet although aacPlus as used in Opticodec PC is far more efficient Orban s OPTICODEC PC FE is an AAC aacPlus file encoder application that can create such efficient files Thanks to the Apple iPod AAC MP4 M4A is rap idly becoming the defacto standard for downloadable music...

Страница 45: ... bypass mode by remote control a Switch the 6300 into BYPASS mode by a momentary command from your station s remote control to the GPI port programmed as BYPASS b Begin EAS broadcast c When the EAS broadcast is finished switch the 6300 from BYPASS mode by a momentary command from your station s remote control to the GPI port programmed as EXIT TEST You may also choose to insert EAS broadcast tones...

Страница 46: ...ship your Orban products prepaid to our service department Be sure to include a copy of your sales slip as proof of purchase date We will not repair transit damage under the no charge terms of this warranty Orban will pay return shipping See Technical Support on page 5 12 No other warranty written or oral is authorized for Orban Products This warranty gives you specific legal rights and you may ha...

Страница 47: ...ly to new Orban products purchased from an authorized Orban Dealer To accept the extended five year warranty please sign and date below and fax this copy along with a copy of your original invoice showing date of purchase to Gareth Paredes at 510 351 0500 I ACCEPT THE EXTENDED FIVE YEAR WARRANTY __________________________________________________________________________ DATE________________________...

Страница 48: ......

Страница 49: ...s 10 32 x with washers 10 1ea PC Remote Software CD Save all packing materials If you should ever have to ship the 6300 e g for ser vicing it is best to ship it in the original carton with its packing materials be cause both the carton and packing material have been carefully designed to pro tect the unit Complete the Registration Card and return it to Orban please The Registration Card enables us...

Страница 50: ...6300 chassis If you need to change the plug to meet your country s standard and you are qualified to do so see Figure 2 1 Otherwise purchase a new mains cord with the correct line plug attached 3 Mount the 6300 in a rack The 6300 requires one standard rack unit 1 inches 6 4 cm There should be a good ground connection between the rack and the 6300 chas sis check this with an ohmmeter to verify that...

Страница 51: ...nsive remote control provisions refer to Remote Control Interface Programming on page 2 35 Optically isolated remote control connections are terminated in a type DB 25 male connector located on the rear panel It is wired according to Figure 2 2 To select the desired function apply a 5 12V AC or DC pulse between the appropri ate REMOTE INTERFACE terminals The terminals can be connected together and...

Страница 52: ...utputs have no special RFI protection Therefore it is wise to use shielded cable to make connections to them See step 17 on page 2 28 for instructions on programming the tally outputs 7 Connect to a computer You can connect to a computer via the 6300 s serial connector or via an Ethernet network See Networking on page 2 36 Because procedures and instructions for connecting to a PC are subject to d...

Страница 53: ...ce Programming on page 2 35 The 6300 remote control ac cepts a DB 25 connector The Ethernet Port accepts a 10Mb second or 100Mb second Ethernet connection terminated with an RJ45 connector Digital AES3 Input and AES3 dual Outputs are provided to support two channel AES3 standard digital audio signals through XLR type connectors In dual mono applications digital outputs 1 and 2 can be dedicated to ...

Страница 54: ...he same whether the driving source is balanced or unbal anced Connect the red or white wire to the pin on the XLR type connector 2 or 3 that is considered HIGH by the standards of your organization Connect the black wire to the pin on the XLR type connector 3 or 2 that is considered LOW by the standards of your organization In low RF fields like a studio site not co located with an RF transmitter ...

Страница 55: ... the 6300 s internal clock Per the AES3 standard each digital input or output line carries both the left and right stereo channels The connection is 110 balanced The AES3 standard specifies a maximum cable length of 100 meters While almost any balanced shielded cable will work for relatively short runs 5 meters or less longer runs require used of 110 balanced cable like Belden 1800B 1801B plenum r...

Страница 56: ...re an audio studio so that it provides maximum protection from power faults and is free from ground loops which induce hum and can cause oscilla tion In an ideal system All units in the system should have balanced inputs In a modern system with low output impedances and high input impedances a balanced input will pro vide common mode rejection and prevent ground loops regardless of whether it is d...

Страница 57: ...e Optimod PC 1101 and Optimod 6300 Their manuals con tain instructions on how to use them in this application They are the preferred choices because their AGCs are identical to the AGC in the 6300 Discontinued Orban products usable as external AGCs include the 8200ST 464A Co Operator 8100AST and 1100 OPTIMOD PC In this manual we do not pro vide step by step instructions for setting up all of these...

Страница 58: ...CLIPPER OFF JE JF LEFT OUTPUT RIGHT OUTPUT JE JF LEFT OUTPUT RIGHT OUTPUT FLAT PRE EMPHASIZED JB JC LEFT OUTPUT RIGHT OUTPUT JB JC LEFT OUTPUT RIGHT OUTPUT PEAK AVG Clipper Jumpers Output Pre Emphasis Jumpers Line up Level Jumpers Figure 2 3 8200ST Jumper Settings Factory Configuration ...

Страница 59: ...JB and JC to peak Refer to Figure 2 3 on page 2 10 The 8200ST is now producing a 400Hz sine wave at each output The peak level of this tone corresponds to 100 modulation B Adjust the 8200ST s L OUT and R OUT controls so that the STL transmitter is be ing driven to 100 modulation The L OUT and R OUT controls are now correctly calibrated to the transmit ter If no significant overshoot occurs in the ...

Страница 60: ...ng this section you can find more detailed in formation regarding setup beyond the Quick Setup screens In most cases you will not need this extra information Quick Setup assumes that your 6300 will be driving flat channels because this is the most common scenario If you need it you can turn on pre emphasis after you com plete Quick Setup For the following adjustments use the appropriately labeled ...

Страница 61: ... that determines the highest bandwidth available The installing engineer should set it to be congruent with the sample rate of the digital system being driven by the 6300 For example if the 6300 is driving a system with a 32kHz sample rate set the MAX LPF to 15 0 KHZ That way a setting of 20 kHz elsewhere will not cause exces sive bandwidth and aliasing because the 6300 will automatically override...

Страница 62: ...al inputs If you provide both ana log and digital inputs to the 6300 optimum adjustment is achieved when the gain reduction meters show the same amount of processing for both analog and digital inputs This will allow you to switch between analog and digital inputs without sudden level changes A Press the NEXT button B Feed normal program material to the 6300 C Play program material from your studi...

Страница 63: ...ent and equalization AGC LIM results in stereo enhancement equalization and look ahead limiting MULTIBAND results in stereo enhancement equalization and 2 Band or 5 Band compression without AGC MB LIM results in stereo enhancement equalization and 2 Band or 5 Band compression with look ahead limiting but without AGC CAUTION If the outputs are configured for no peak limiting they are usually unsuit...

Страница 64: ...hoose one of the following AGC stereo enhancement equalization and AGC without peak limiting AGC LIM stereo enhancement equalization AGC and look ahead peak limiting MULTIBAND stereo enhancement equalization AGC and 2 Band or 5 Band compression without peak limiting MB LIM stereo enhancement equalization AGC 2 Band or 5 Band com pression and look ahead peak limiting 13 Set the digital output 1 sam...

Страница 65: ...lation in units of dBu 0 dBu 0 776 Vrms Refer to Setting Output Modulation Levels on page 1 20 If you have set the output source to AGC or MULTIBAND in step 10 on page 2 14 the peak level will not be well controlled because no peak limiting has been applied 17 Set the digital output 1 level A Press the NEXT button B Skip this step if you are not using digital output 1 Turn the knob to set the desi...

Страница 66: ...optional The Station ID is an optional setting that you can provide to name a given 6300 The name can be up to eight characters long It is used to identify your 6300 to Orban s 6300 PC Remote application and appears on the Main Screen when PC Remote is controlling the 6300 A Navigate to SETUP NEXT TIME DATE AND ID STATION ID B Use the knob to set the each character in the ID Use the NEXT and PREV ...

Страница 67: ...tream equipment to respond in unexpected ways Because the vast majority of audio applications make no use of User Bits we recommend keeping the 6300 s USER BITS control set to BLOCK default setting which configures the User Bit channels of both Digital Out 1 and Digital Out 2 to contain all zeros Setting the 6300 s USER BITS control to PASS DO1 will cause the User Bit channel of Digital Out 1 to b...

Страница 68: ...laying the largest range of information Choose NO to make the display static showing the time the active preset the ac tive input and whether the stereo or dual mono mode is active The following material provides detailed instructions on how to set up the 6300 If QUICK SETUP does not fully address your setup needs or if you wish to customize your system beyond those provided with QUICK SETUP then ...

Страница 69: ...l automatically switch to analog input if signal lock is un available at the AES3 input 4 Adjust Analog Input Reference Level 9dBu to 13dBu VU or 2 to 20dBu PPM in 0 5 dB steps The reference level VU and PPM Peak settings track each other with an offset of 8dB This compensates for the typical indications with program material of a VU meter versus the higher indications on a PPM This step sets the ...

Страница 70: ...using Tone to calibrate the 6300 to your stan dard studio level see step E above a Verify EXT AGC is set to NO Refer to step 2 on page 2 21 b Feed normal program material to the 6300 Play program material from your studio peaking at the level to which you normally peak program material typically 0VU if your console uses VU meters c Adjust the AI REF VU or PPM control to make the 6300 s AGC meters ...

Страница 71: ...is FLAT 50 S or 75 S by turning the knob This control is only relevant if you are using the AGC LIM feed at one or more 6300 outputs The control determines whether the look ahead lim iter after the AGC operates on a flat or preemphasized signal 50 S and 75 S preemphasis are only useful if the 6300 is protecting a transmission link that uses preemphasis like certain satellite uplinks Use FLAT preem...

Страница 72: ...is to PRE E for preemphasis or FLAT When in doubt choose FLAT This is correct for a great majority of 6300 applications If you are sending the analog output of the 6300 through a digital link that uses a lossy codec like MPEG APT X or Dolby set the output FLAT Lossy codecs cannot handle pre emphasized signals If you intend to use the analog output for headphones set the output FLAT If you choose P...

Страница 73: ...ng has been applied to this signal If you are using program material make sure that the program material is loud enough to produce peaks of frequent recurrence that cause the 6300 s look ahead limiters to produce gain reduction thereby defining the maximum peak level that the 6300 will produce 10 Set digital configuration and output level Skip this step if you will not be using the digital outputs...

Страница 74: ... input when an AES11 signal or a wordclock drives it See step A above F Press NEXT Then set the desired output DO1 WORD word length 14 16 18 20 or 24 in bits The largest valid word length in the 6300 is 24 bits The 6300 can also truncate its output word length to 20 18 16 or 14 bits The 6300 can add dither see the next step G Adjust DO1 DITH dither to IN or OUT as desired In or Out When set to In ...

Страница 75: ...Navigate to SETUP IO CALIB DIGITAL CALIB DO2 CALIB and repeat steps A through K for Digital Output 2 11 Set the 6300 s response to AES3 status bits See step B on page 2 19 12 Choose whether the 6300 digital output will emit status bits depending on whether the 6300 is in stereo or dual mono modes See step C on page 2 19 13 Choose whether the 6300 s will pass or block AES3 user bits See step 22 on ...

Страница 76: ...tches to the analog input C Press NEXT as necessary to see the ANALOG FALLBACK control Set it to YES if you wish the 6300 to switch automatically from the digital to analog input when silence is detected Set the control to NO to defeat automatic switching 17 Program Tally Outputs Skip this step if you do not wish to use the tally outputs See step 6 on page 2 4 for wiring instructions You can progr...

Страница 77: ... the correct time Then press the ENTER TIME button to set the clock B Press the SET DATE button a Set today s date using the days month and year buttons b Press the ENTER DATE button C Press the DAYLIGHT TIME button a Using the Daylight Saving DT MONTH and DT WEEK buttons set the month and week when Daylight Saving Time Summer Time begins or OFF b Using the Standard Time ST MONTH and ST WEEK butto...

Страница 78: ...D For events that occur on a daily or weekly schedule a Use the PREV and NEXT buttons to move the cursor the each day of the week in turn and use the rotary encoder to turn the day on or off You can program the event to occur on as many days of the week as you wish b Use the PREV and NEXT buttons to move the cursor set the hour minute and second in 24 hour format e g 18 00 00 for 6 00 PM when the ...

Страница 79: ... e recalling a given preset Use the NEXT button to navigate from one type of search to the other type C When you have located the event you want to remove press the DELETE EVENT button This action will immediately delete the event There is no are you sure warning message To abort the deletion press the ESC button not the DELETE EVENT button Security and Passcode Programming Skip this step if you d...

Страница 80: ...a Passcode A Navigate to SETUP SECURITY ADD PASSCODES If the front panel is already password protected you can only access this screen by entering a passcode with All Access privileges B Use the four soft buttons labeled 1 2 3 and 4 to create a passcode Passcodes can be up to eight characters long but can only contain the characters 1 2 3 and 4 This limitation makes it easy to enter a passcode usi...

Страница 81: ...ter you have adjusted the processor to maximize security you will often want to lock it immediately without waiting for the timeout To do so A Press the SETUP button B Press the LOCK NOW soft button To Program local lockout A Navigate to SETUP SECURITY If the front panel is already password protected you can only access this screen by entering a passcode with ALL ACCESS privileges B Hold down the ...

Страница 82: ...ccess the 6300 functionality corresponding to the security level of your passcode If You Have Forgotten Your Passcode You can reset factory defaults and wipe out security passcodes in case you forgot your ALL ACCESS passcode A Remove power from the 6300 B While pressing both the ESCAPE and SETUP buttons restore power The Restore Defaults screen appears C To gain access to the 6300 press the ERASE ...

Страница 83: ...s not apply deempha sis to it Input Digital J 17 selects the digital input and applies J 17 deemphasis to it Bypass switches the Bypass Test Mode on the air Tone switches the Tone Test Mode preset on the air Exit Test If a test preset is presently on the air EXIT TEST reverts to the previous processing preset Stereo connects the 6300 s left and right inputs to the left and right in puts of the pro...

Страница 84: ...erface programming When you are finished programming the remote control interface press the Es cape button to return to higher menu levels Networking and Remote Control Skip this step if you do not wish to connect to your 6300 remotely either for downloading software upgrades or for PC Remote Control The 6300 has a built in Ethernet connector that can be used with 10 Mbps or 100 Mbps networks usin...

Страница 85: ...ay Use the knob to set the digit to the desired value Repeat until you have selected all the numbers in the gateway assigned by your network administrator c Press the SAVE soft button to confirm your setting E Set the IP Port assigned by your network administrator if necessary a Press the IP PORT soft button b Use the NEXT and PREV keys to move the cursor in turn to each digit in the IP port Use t...

Страница 86: ... with your PC A Connect the telephone line from the wall phone jack to the wall connection icon on the back of the modem modem in B Connect the modem to the 6300 s serial port with a standard not null mo dem cable C Set the modem to AUTO ANSWER and turn it on For 3Com U S Robotics 56kbps fax modem EXT set dipswitches 3 5 and 8 in the down position to activate the AUTO ANSWER setting All other dips...

Страница 87: ...value can range between 12 and 12 hours If this value is set to 0 your Optimod s time will be the same as UTC You can empirically adjust this value until the correct time for your location is displayed after you synchronize your Optimod to a timeserver Name IP Address Location time a nist gov 129 6 15 28 NIST Gaithersburg Maryland time b nist gov 129 6 15 29 NIST Gaithersburg Maryland time a timef...

Страница 88: ... Address Screen appears a Use the NEXT and PREV keys to move the cursor in turn to each digit in the IP address Use the knob to set the digit to the desired value Repeat until you have selected all the numbers in the desired IP address b Press the SAVE soft button to confirm your setting B Press the SYNC NOW soft button to test your settings Your Optimod s display should indicate that it is connec...

Страница 89: ...hronize your computer s clock to the selected timeserver If this is successful this means that you can connect to the selected timeserver over your network The INTERNET TIME tab is not available in Windows 2000 If you are running Optimod PC Remote on Windows 2000 you must enter the timeserver from your Optimod s front panel as an IP address step 4 on page 2 40 If the timeserver you selected in Win...

Страница 90: ...o download it from ftp orban com 6300 Instructions for using the PC Remote software are found starting on page 3 57 Installing the Necessary Windows Services The 6300 PC Remote application uses Windows built in communications and net working services to deal with the low level details necessary to communicate with the 6300 s serial port These services are also used to upgrade your 6300 s firmware ...

Страница 91: ...te that Orban Customer Service does not support any other type of modem for connect ing to the 6300 If connecting by network a standard Ethernet cable with RJ45 connectors to connect to a network hub or router or a crossover Ethernet cable to connect di rectly to your PC s Ethernet jack PC running Windows 2000 SP3 or higher or XP 6300 PC Remote will not run on older Windows versions Recommended Co...

Страница 92: ...e using an Ethernet connection and your computer can successfully connect to the Internet through its Ethernet port it already has the correct TCP IP network ing set up to communicate with the 6300 In most cases all you need is your 6300 s IP address Port and Gateway number as set in step 1 on page 2 36 You will enter these when you create a connection to your 6300 from the 6300 PC Remote appli ca...

Страница 93: ...ecessary Windows services and connected to your 6300 However if you experience any problems with this process or have any other 6300 questions please contact Orban Customer Service phone 1 510 351 3500 email custserv orban com For details on your new 6300 software from new features to operational sugges tions refer to our FTP site ftp orban com 6300 ...

Страница 94: ...2 46 INSTALLATION ORBAN MODEL 6300 ...

Страница 95: ...ct the other end of the cable to your computer s COM port Connecting Using Windows 2000 Direct Serial Connection Ordinarily a direct serial connection through a null modem cable is used only when you are controlling one 6300 per available COM port on your computer If you wish to control multiple local 6300s it is better to use an Ethernet network connection However in principle you could control m...

Страница 96: ...the 6300 on page 5 6 1 Add and configure a Direct Connection for Windows 2000 A Create a New Windows 2000 Direct Connection a Launch 6300 PC Remote b Choose Connect New 6300 c Give your 6300 a name e g KABC by en tering this name in the 6300 Alias field d If you wish to have 6300 PC Remote remember the password for this Optimod enter the pass word in the Password field e Select Serial Connec tion ...

Страница 97: ...ction j Click Next k Select either For all users or Only for myself The correct setting depends on how your network and security are configured Your wizard may not display this field if your computer is set up for a single user only l Click Next m Enter a name for your Connection such as Connection to 6300 n Click Finish ...

Страница 98: ... Click Yes B Edit your new Direct Connection properties a Click Settings b Click the General tab c Select the device you set up in step i on page 2 49 This will usually be Communications cable between two computers COM1 d Click Configure ...

Страница 99: ...Select the Networking tab j Make sure that PPP Windows 95 98 NT 4 2000 Internet appears in the Type of dial up server I am calling field k Make sure that Internet Protocol TCP IP is checked You may leave File and Printer Sharing for Microsoft Networks and Client for Microsoft Net works checked if you like l Click OK m When the Connection properties window appears click OK ...

Страница 100: ...shooting Windows 2000 Direct Connect on page 5 7 If you have trouble the first time after creating a connection according to the instructions above try restarting your computer to clear its serial port 3 To change the properties of an existing connection Right click the connection in the connection List window and choose Proper ties The Connection properties window opens see page 2 48 Connecting U...

Страница 101: ...f you wish to have 6300 PC Remote remember the password for this Optimod enter the password in the Password field e Select Serial Connection f Click the Add button g Choose Connect directly to another computer h Click Next i In the drop down box select the serial port you will be using to make the connection j Click Next ...

Страница 102: ...2 54 INSTALLATION ORBAN MODEL 6300 k Type in a name for your Connection such as Connection to 6300 l Click Finish m Click Yes B Edit your new Direct Connection properties a Click Settings ...

Страница 103: ... the device you set up in step i on page 2 53 This will usually be Communications cable between two computers COM1 d Click Configure e Set the Maximum Speed bps to 115200 f Check Enable hardware flow con trol g Make sure all other hardware features are unchecked h Click OK ...

Страница 104: ...Remote application see To set up a new connection on page 3 58 choosing this connection from 6300 PC Remote automatically opens a Windows Direct Connec tion to your 6300 You can connect by selecting the desired connection from the drop down list in the CONNECT menu You can also connect by double clicking the connection in the Connection List window A dialog bubble will appear on the bottom right h...

Страница 105: ... OK Connect the modem to the 6300 s serial port with a standard not null modem ca ble You can use either an internal or an external modem with your PC A Connect the telephone line from the wall phone jack to the wall connection icon on the back of the modem modem in B Connect the modem cable from the modem to the serial port of the 6300 C Set the modem to AUTO ANSWER and turn it on For 3Com U S Ro...

Страница 106: ...t See your Windows documentation f If your modem is available in the list available under The following Modems are installed and it is attached to the correct port then click Properties for that modem g Make sure the port speed is set at 115200 h Click OK B Create a New Windows 2000 Dial Up Connection a Click Start Settings Network and Dial up Connections Make New Connection b Once the New Connect...

Страница 107: ...ter the phone number of the modem connected to the 6300 that you are setting up j Click the Next button k Select either For all users or Only for myself The correct setting depends on how your network and security are config ured This screen may not appear in com puters set up for single users ...

Страница 108: ...TION ORBAN MODEL 6300 l Click the Next button m Type in a name for your Connection such as Connection to 6300 Modem n Click the Finish button o Click Yes D Edit your new Direct Connection properties a Click Settings ...

Страница 109: ...d select the modem you will be using to make the connection on the PC side d Click Configure e Set Maximum speed bps to 115200 f Check Enable hardware flow control g Check Enable modem error control h Check Enable mcdem compression i Make sure that all other boxes are not checked j Click OK ...

Страница 110: ...tion on page 3 58 choosing this connection from 6300 PC Remote automatically opens a Windows modem connection to your 6300 You can connect by selecting the desired connection from the drop down list in the CONNECT menu You can also connect by double clicking the connection in the Connection List window If the connection is successful a dialog bubble will appear on the bottom right hand corner of t...

Страница 111: ...PT icon A list will branch off showing your available ports f Double click Communications Port COM1 or COM2 depending on how you set up your system The Communications Port Comx Properties dialog box opens Not all PCs have a COM2 IMPORTANT The COM port you choose at this point must match the COM port to which you connected your modem g From the tabs at the top choose Port Settings and configure the...

Страница 112: ...ation f If your modem is available in the list available under The following Modems are installed and it is attached to the correct port then click Properties for that modem g Make sure the port speed is set at 115200 h Click OK C Create a new Windows XP modem connection a Launch 6300 PC Remote b Choose Connect New 6300 The Connection Proper ties window opens c Give your 6300 a name e g KABC by en...

Страница 113: ...s up f Select Serial Connection g Click the Add button h Select Dial up to private network i Click Next j Enter the phone number of the modem connected to the 6300 you are setting up k Click Next l Type in a name for your Connection such as Connection to 6300 Modem m Click the Finish button ...

Страница 114: ...ATION ORBAN MODEL 6300 n Click Yes D Edit your new Direct Con nection properties a Click Settings b Click the General tab c Select the modem you will be using to make the connection on the PC side d Click Configure ...

Страница 115: ...he Type of dial up server I am calling field m Make sure that Internet Protocol TCP IP is checked You may leave Client for Microsoft Networks checked if you like n Click OK o When the Connection properties window ap pears click OK 2 Launch an existing Windows XP modem connection Once you have set up a connection specifying a modem connection in the 6300 PC Remote application see To set up a new co...

Страница 116: ... The software version number of PC Remote must be the same as the version number of the software running within your 6300 If the software version of PC Remote is higher than the version running in your 6300 PC Remote will automatically detect this and will offer to update your 6300 s software automatically 1 If you have not already done so prepare your computer and the 6300 for a direct serial mod...

Страница 117: ...ally and your 6300 s rebooting Your 6300 will continue to pass audio normally while the update is occur ring However the audio will be interrupted for approximately 3 seconds when your 6300 reboots Do not interrupt power to your 6300 or your computer close PC Remote or the update application s command line window or reboot your com puter during this time While doing any of these things is unlikely...

Страница 118: ......

Страница 119: ...aracter to the next when you enter data into your 6300 These buttons flash when a scrolling menu is in use Otherwise they are dark Control Knob changes the setting that is selected by the soft buttons To change a value you usually have to hold down a soft button while you are turn ing the control knob Recall button allows you to recall a Factory or User Preset Selecting the RECALL button does not ...

Страница 120: ...it helps you set the AGC BASS COUPLING control Gate LED indicates gate activity lighting when the input audio falls below the threshold set by the multiband gate threshold When this happens the multi band compressor s recovery time is slowed drastically to prevent noise rush up during low level passages Gain Reduction meters show the gain reduction in the multiband compressor Full scale is 25 dB g...

Страница 121: ... done moder ately Excessive clipping will be perceived as audible distortion Look ahead limiting is limiting that prevents overshoots by examining a few milli seconds of the unprocessed sound before it is limited This way the limiter can an ticipate and control peaks that are coming up Distortion in Processing In a competently designed processor distortion occurs only when the processor is control...

Страница 122: ...ry bright sound with large amounts of high frequency energy because this is likely to exacerbate artifacts Some appropriate presets include JAZZ SMOOTH JAZZ GOLD ROCK SOFT and the CLASSICAL presets Avoid presets like CRISP and EDGE these are very bright sounding presets and are more appropriate for uncompressed channels or com pressed channels with relatively high bit rates 64 kbps or higher for t...

Страница 123: ...ted as music because the detector always identifies stereo material as music Optimod 6300 in Radio Oriented Applications From Bach to Rock The 6300 can be adjusted so that the output sounds as close as possible to the input at all times using the 2 band Protection Limiter preset open but more uniform in frequency balance and often more dramatic than the input using the 2 band structure or running ...

Страница 124: ...ience The challenge which Optimod 6300 effectively meets is to compress dy namic range unobtrusively OPTIMOD 6300 can be adjusted so that the output sounds as close as possible to the input at all times using the 2 band Protection Limiter preset or so that it sounds open but more uniform in frequency balance than the input using the 2 band struc ture or running the 5 band Structure with slow relea...

Страница 125: ...pplica tions where it is necessary to remove low frequency rumble from a recording The phase rotator makes speech more symmetrical reducing its peak to average ratio by as much as 6 dB without adding nonlinear distortion Hence phase rotation can be very useful for loudness processing of speech Stereo Enhancement The 6300 provides two different stereo enhancement algo rithms The first called L R DE...

Страница 126: ...ric They also use very high quality filter algo rithms to ensure low noise and distortion The 6300 HF Enhancer is a program controlled HF shelving equalizer that intelli gently and continuously analyzes the ratio between broadband and HF energy in the input program material It can equalize excessively dull material without over enhancing bright material It interacts synergistically with the 5 band...

Страница 127: ... to minimize audible peak limiter induced distortion when one is driving a low bitrate codec because one does not want to waste precious bits encoding the distortion Look ahead limiting can achieve this goal hard clipping cannot One can model any peak limiter as a multiplier that multiplies its input signal by a gain control signal This is a form of amplitude modulation Amplitude modulation produc...

Страница 128: ...sts of balancing the trade offs between loudness den sity and audible distortion The following pages provide the information you need to adjust the 6300 controls to suit your format taste and competitive situation When you start with one of our Factory Presets there are two levels of subjective adjustment available to you to let you customize the Factory Preset to your re quirements Basic Modify a...

Страница 129: ...E control to achieve a sound as close as possible to your desired sound before you make further modifications at the Advanced Modify level This is because the LESS MORE control gets you close to an optimum trade off between loudness and artifacts so any changes you make are likely to be smaller and to require reset ting fewer controls In the 6300 LESS MORE affects only the dynamics processing comp...

Страница 130: ... presets at the Advanced Modify level only if you are experienced with transmission processor sound design and if you are willing to take the time to double check your work on many different types of program mate rial In production and mastering applications you will usually be working with one piece of program material at a time Here you can use all of Advanced Modify s power to get the sound you...

Страница 131: ...han 100 user presets limited only by available memory The 6300 will offer to save any edited unsaved preset when the main screen is visible To save a preset A Press the ESC button repeatedly until you see the main screen which shows the current time and the preset presently active If there is an unsaved preset active the rightmost button will be labeled SAVE PRESET B Press the SAVE PRESET button T...

Страница 132: ...et excellent sound from the 6300 We have carefully designed the 6300 s factory presets and most users will not need to go beyond these In the 6300 a processing structure is a program that operates as a complete audio processing system Only one processing structure can be active at a time Just as there are many possible ways of configuring a processing system using analog com ponents like equalizer...

Страница 133: ...results as user pre sets 2 band The 2 band structure consists of a slow 2 band gated AGC Automatic Gain Control for gain riding followed by a gated 2 band compressor and a look ahead limiter By choosing the crossover mode correctly the 2 band Structure can be made phase linear throughout to maximize sonic transparency The 2 band structure has an open easy to listen to sound that is similar to the ...

Страница 134: ...ness Controller turned off Radio oriented 2 band presets all have the Loudness Controlled turned off The 5 band structure does not have extra loudness control because its multiband processing tends to automatically re equalize and condition program material to control loudness variations This is true in both sound for picture and radio oriented applications Factory Programming Presets Factory Prog...

Страница 135: ...The 6300 lets you make changes in EQ and stereo enhancement without losing the ability to use Less More settings Of course LESS MORE is still available for the unedited preset if you want to go back to it There is no way you can erase or otherwise damage the Factory Presets So feel free to experiment If a preset has 2B or 2BAND in its name it will activate the 2 band structure The Protection prese...

Страница 136: ...tent Band 5 operates without stereo coupling This way HF limiting triggered by high frequency energy in one audio channel will not modulate high frequencies in the opposite channel The FLAT preset is tuned so that it does not normally trigger gain reduction in the 6300 s 5 band compressor the Optimod at the transmitter should be the processor that performs this multiband compression All AGC preset...

Страница 137: ...essing The 6300 s powerful equalization section is of course also available Additionally these presets set the look ahead limiter drive control conservatively which ensures highest quality However the 6300 s look ahead limiter can be driven quite hard without objectionable side effects so the 6300 can create competitively loud mas ters Radio Style Presets The presets Table 3 2 on page 3 20 have be...

Страница 138: ...E 10 0 FOLK TRADITIONAL ROCK SOFT 7 0 GOLD GOLD 9 5 GREGG GREGG 9 5 GREGG OPEN GREGG OPEN 9 5 IMPACT IMPACT 9 5 INSTRUMENTAL JAZZ 7 0 JAZZ JAZZ 7 0 LOUD SLAM LOUD SLAM 9 0 LOUD BIG LOUD BIG 9 0 LOUD FAT LOUD FAT 7 0 LOUD HOT LOUD HOT 8 5 LOUD HOT BASS LOUD HOT BASS 9 5 LOUD PUNCHY LOUD PUNCHY 9 0 NEWS TALK NEWS TALK 7 0 ROCK DENSE ROCK DENSE 7 0 ROCK LIGHT ROCK LIGHT 7 0 ROCK MEDIUM ROCK MEDIUM 7 ...

Страница 139: ...n because of the gentle ratio and window gating This preset uses the 5 band compressor very lightly with a fast release time as a peak limiter The AGC does almost all of the compression There is also a corresponding 2 band preset called CLASSICAL 2B AGC Even more transparent purist classical processing is available from this preset which is phase linear and which preserves the spectral balance of ...

Страница 140: ...of this era are often noisy dis torted or have other technical problems that make them unpleasant sounding when the processor over equalizes them in an attempt to emu late the high frequency balance of recently recorded material GREGG GREGG and GREGG OPEN all use a 200 Hz band1 band2 crossover fre quency to achieve a bass sound similar to the classic 5 band Gregg Labs FM proces sors designed by Or...

Страница 141: ...ed by Hard bass clipping This preset provides slamming bass punch which it trades off against bass cleanliness on certain program material Because of the 18 dB octave BASS SLOPE its advantages will be appreciated most through radios with good low bass response LOUD PUNCHY is the quietest of the loud preset family It is designed for a bright sizzling top end and very punchy lows It is a good choice...

Страница 142: ...FT but with more density Again it is a good choice for female skewing formats but where you need more compression and density than you get with ROCK SOFT For Contemporary Hit Radio CHR we recommend the ROCK DENSE or ROCK MEDIUM versions In competitive situations you may need to use LOUD HOT you can use LESS MORE to get it even louder or even LOUD HOT BASS or IMPACT However the rock presets are som...

Страница 143: ...5 0 TV 5B OPTICAL FILM TV 5B OPTICAL FILM 5 0 TV 5B SPORTS TV 5B SPORTS 5 0 Table 3 3 Factory Programming Presets Sound for picture TV 2B GEN PURPOSE TV 2 band General Purpose This preset accommodates most dramatic programming providing gentle gain control that limits dynamic range to a level that provides the general audience with consistently intelligible dialog It sounds very similar to Orban s...

Страница 144: ...here input levels may be quite un predictable It also automatically re equalizes substandard audio which is quite common in live news broadcasts TV 5B SPORTS TV 5 band Sports is similar to TV 5B NEWS except the AGC release time is slower to resist pumping up crowd noise TV 5B OPTICAL FILM TV 5 band Optical Film is designed to make the best of the low quality audio provided with optical film sound ...

Страница 145: ...n smaller receivers but which can sound boomier on high quality receivers and home theater systems The steep slope 18 dB octave shelving boost creates a Equalizer Controls Group Basic Full Modify Name Advanced Name Range BASS FREQ Bass Frequency 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 160 170 180 190 200 210 220 230 240 250 270 290 310 330 350 380 410 440 470 500Hz BASS GAIN Bass G...

Страница 146: ...c is a significant part of the music mix Low Frequency Parametric Equalizer is a specially designed equalizer whose boost and cut curves closely emulate those of a classic Orban analog parametric equalizer with conventional bell shaped curves within 0 15 dB worst case This provides warm smooth analog sounding equalization LF FREQ determines the center frequency of the equalization in Hertz Range i...

Страница 147: ...ill have progressively less audible effect The compressor for the midrange bands will tend to reduce the effect of the MID frequency boost in an at tempt to keep the gain constant to prevent excessive stridency in program material that already has a great deal of presence power Therefore with large amounts of gain reduction the density of presence region energy will be increased more than will the...

Страница 148: ...tly more gain than its neighbor when processing voice because voice will activate the gate frequently Each time it does so it will reset the gain of the lowest frequency band so that the gains of the two bottom bands are equal and the response in this frequency range is flat The result is natural sounding bass on male voice This is particularly desirable for most sound for picture programming If y...

Страница 149: ... bandwidth for downstream equipment with sample rates of 44 1 or 48 kHz Set the filter to 15 kHz for 32 kHz sample rate For other sample rates set the filter so that it is as close as possible to 45 of the sample rate without exceeding 45 This setting is unique to the preset in which it resides Regardless of its setting the 6300 will not permit the system bandwidth to exceed the bandwidth set by t...

Страница 150: ... 3 5 Stereo Enhancer Controls The stereo enhancer has the following controls Amount sets the maximum spatial enhancement Enhancer In Out bypasses the stereo enhancer OUT is equivalent to setting the AMOUNT to 0 L R L R Ratio Limit sets the maximum amount of enhancement to prevent multi path distortion However if the original program material exceeds this limit with no enhancement the enhancer will...

Страница 151: ...s case it is better to defeat the AGC globally in System Setup AGC DRIVE control adjusts signal level going into the slow dual band AGC there fore determining the amount of gain reduction in the AGC This control also adjusts the idle gain the amount of gain reduction in the AGC section when the struc ture is gated It gates whenever the input level to the structure is below the thresh old of gating...

Страница 152: ...s combinations of AGC and compression offer great flexibility Light AGC light compression yields a wide sense of dynamics with a small amount of automatic re equalization Moderate AGC light compression produces an open natural quality with automatic re equalization and increased consistency of frequency balance Moderate AGC moderate compression gives a more dense sound particularly as the release ...

Страница 153: ...pproximately 200 Hz Starting with V1 1 software the AGC Master and Bass compressor sidechains operate without internal coupling The gain reduction in the Bass audio path is either the output of the Bass compres sor sidechain or the output of the Master band sidechain The AGC BASS COUPLING control sets the switching threshold For example if the AGC BASS COUPLING control is set to 4 dB and the maste...

Страница 154: ...atio as low as 2 1 This can add a sense of dynamic range and is mostly useful for subtle fine arts formats like classical and jazz AGC Bass Threshold determines the compression threshold of the bass band in the AGC It can be used to set the target spectral balance of the AGC As the AGC B CPL control is moved towards 100 the AGC BASS THRESHOLD con trol affects the sound less and less The interactio...

Страница 155: ... width change in the stereo soundfield Master Delta Threshold allows you to set the difference between the compression thresholds of the sum and difference channels This control is only useful when you set the AGC MATRIX to SUM DIF By setting the threshold of the difference channel lower than the sum channel you can have the AGC automatically produce more gain reduction in the difference channel T...

Страница 156: ...aried from 0 0 Hard to 10 0 Soft The distortion control adjustments are common to the 2 band and 5 band structures except as noted in the descriptions on the following pages Bass Clip threshold controls Orban s patented embedded bass clipper Note that The SPEECH BASS CLIP THRESHOLD control overrides the BASS CLIP THRESHOLD control when OPTIMOD PC automatically detects speech see Speech Music Detec...

Страница 157: ...ing occurs abruptly as the clipper s in put level is changed 10 is the softest knee where the transition starts 6 dB below BASSCLIPTHRESH setting and occurs gradually The factory default setting is 7 6 Final Limit Drive controls AGC and MB adjust the level of the audio driving the low IM look ahead limiters that OPTIMOD PC uses to control fast peaks thereby ad justing the peak to average ratio of ...

Страница 158: ...has an open easy to listen to sound that is similar to the source material if the source material is of good quality We recommend using it when you want to preserve the spectral balance of the source material while not significantly increasing program density Hence it is mainly useful for unobtrusive gain riding in sound for picture applications where its loudness controller can be useful and in f...

Страница 159: ...duction in the 2 band compressor Regardless of the release time setting we feel that the optimal amount of gain re duction in the 2 band compressor for sound for picture applications is 10 15dB For fine arts formats operating with 0 10 dB of gain reduction with the gain riding 2 band Controls Full Modify Name Advanced Name Range 2B BASS CLIP 2B Bass Clip Threshold 6 0 0 0 dB 2B BASS CPL 2B Bass Co...

Страница 160: ...cessing 5 band processing minimizes the undesirable artifacts that fast release rates can produce The release rate in dB second in the 2 band compressor automatically becomes faster as more gain reduction occurs This makes the program progressively denser creating a sense of increasing loudness although peaks are not actually increasing At the gain reduction values set by the 2B MASTER BREAKPOINT ...

Страница 161: ...ssor See AGC Idle Gain on page 3 36 for a more complete discussion It is common to set the 2B GATE control between approximately 35 dB and 25 dB Higher values are useful in sound for picture processing to prevent background sounds and underscoring from being pumped up while lower settings are more common with musical programming BASS CPL 2B Bass Coupling is used to set the balance between bass and...

Страница 162: ... material less ob trusively than the loudness controller will The 5 band compressor will typically con trol loudness within a 2 dB window even with the loudness controller defeated Al though the loudness controller is available in 5 band mode you may find that you prefer the more open sound of the 5 band compressor without additional loudness control The loudness controller sidechain receives the ...

Страница 163: ...ly accessible from the 6300 PC Remote soft ware 2B Master Compression Threshold sets the level where gain reduction starts to occur in the Master above 200Hz band of the 2 band Compressor 2B Bass Threshold determines the compression threshold of the bass band below 200 Hz in the 2 band Compressor It can be used to set the target spectral balance of the 2 band Compressor As the 2 band Compressor BA...

Страница 164: ... COMP RATIO above 2B Breakpoint The release rate measured in dB second in the 6300 s compressors is constant when the gain reduction is higher than the control s setting and expo nential when the gain reduction is lower than the control s setting When the release is exponential the release rate is proportional to the amount of gain reduction Do not confuse this with the reverse exponential charact...

Страница 165: ...ear If you find that density increases too much as gain reduction increases lower the 2B BREAKPOINT control s setting If you would like to have more density at high amounts of gain reduction increase the 2B BREAKPOINT control s set ting 10 dB is a good starting point for setting this control 2B Crossover sets the structure of the 2 band crossover to Allpass or Linear See AGC CROSSOVER on page 3 37...

Страница 166: ...eset is on the air the LESS MORE control sets the amount of overall processing making optimum tradeoffs between loudness brightness and distor tion In sound for picture there are no loudness wars for music presets there is no need to advance the LESS MORE control beyond its setting in the Factory Presets Customizing the Settings The controls in the 5 band structure give you the flexibility to cust...

Страница 167: ...these faster release times produce more limiting action Increasing density can make loud sounds seem louder but can also result in an unattractive busier flatter or denser sound It is very important to be aware of the many nega tive subjective side effects of excessive density when setting controls that affect the density of the processed sound Because the 6300 s AGC algorithm uses sophisticated w...

Страница 168: ... with the fast release time will often create a wall of sound effect that many find fatiguing To avoid excessive density with fast 5 band release time we recommend using no more than 5dB gain reduction in band 3 compensating for any lost loudness by speeding up the AGC RELEASE instead MB REL Multiband Release control can be switched to any of seven settings To understand how to adjust this control...

Страница 169: ... 50 0 ms Off B2 Attack 4 0 50 0 ms Off B3 Attack 4 0 50 0 ms Off B4 Attack 4 0 50 0 ms Off B5 Attack 4 0 50 0 ms Off B1 Speech Attack 4 0 50 0 ms Off B2 Speech Attack 4 0 50 0 ms Off B3 Speech Attack 4 0 50 0 ms Off B4 Speech Attack 4 0 50 0 ms Off B5 Speech Attack 4 0 50 0 ms Off B1 Limiter Attack 0 100 B2 Limiter Attack 0 100 B3 Limiter Attack 0 100 B4 Limiter Attack 0 100 B5 Limiter Attack 0 10...

Страница 170: ... smoothly preserves the average overall frequency response tilt of the multiband compressor broadly maintaining the automatic equalization curve it generates for a given piece of program mate rial If the MB GATE control is turned OFF the DJ BASS control in the Equaliza tion screen is disabled DwnExp Thr Downward Expander Threshold determines the level below which the single ended noise reduction s...

Страница 171: ...he like to avoid ob jectionable side effects You must let your ears guide you Band 5 is particularly critical for noise reduction because much of the Downward Ex pander s utility lies in hiss reduction Hiss has most of its energy in band 5 while program material typically has less energy in this band so the B5 DOWN EXPANDER DELTA THRESHOLD control s setting is critical to removing hiss while minim...

Страница 172: ...useful in music video oriented formats Bx Out Band x Output Mix controls determine the relative balance of the bands in the multiband compressor Because these controls mix after the band compres sors they do not affect the compressors gain reductions and can be used as a graphic equalizer to fine tune the spectral balance of the program material over a 3 dB range Their range has been purposely lim...

Страница 173: ...imiters Because the limiter and com pressor characteristics interact you will usually get best audible results when you set these controls in the range of 70 to 100 Below 70 you will usually hear pumping because the compressor function is trying to create some of the gain re duction that the faster limiting function would have otherwise achieved If you hear pumping in a band and you still wish to ...

Страница 174: ...ass through the multiband compressor which can increase punch There is a tradeoff between this control and the activity of the look ahead limiter which will have to eliminate attack transients exceeding the look ahead limiter s threshold For any material there will be an optimum set ting for the TRANSIENT ENHANCE control that provides the most punch without trig gering look ahead limiter artifacts...

Страница 175: ...vices hard drives etc and to restore them later to your 6300 The 6300 PC Remote software can connect to your 6300 via modem direct serial ca ble connection or Ethernet network It communicates with your 6300 via the TCP IP protocol regardless of how it is connected to your 6300 PC Remote works best on displays of 1024x768 pel or higher Scroll bars will appear when using lower resolutions Before run...

Страница 176: ...word must have already been entered into your 6300 unit E If you are communicating with your 6300 through a network select the Ethernet radio button and enter the appropriate IP address subnet mask port and gateway data These data must agree with the values you set in step 1 on page 2 36 See also Setting Up Ethernet LAN and VPN Connections on page 2 44 F If you are communicating via a direct seria...

Страница 177: ...always presents a short help mes sage for the function you have selected To modify a control setting A Choose PROCESSING PARAMETERS from the EDIT menu or click the second to the left button on the button bar B Select menu tabs for LESS MORE STEREO ENHANCER and EQ to access Basic Modify controls All other menu tabs contain Full or Advanced Modify con trols You can reset any Basic Modify Control wit...

Страница 178: ...ack up User Presets system files and automation files onto your computer s hard drive A Select BACKUP TO PC from the FILE Menu B Click OK PC Remote will offer three options Save User Presets system files and automation in plain text This allows the presets and files to be read with any text editor program and to be readily exchanged between Optimod users Save User Presets system files and automati...

Страница 179: ...e or automation file was encrypted when it was originally saved PC Remote will request the password under which it was encrypted All User Presets are compatible with all 6300 software versions If Orban adds new controls to a software version the new software will assign a reasonable default value to any control missing in an old User Preset If you archive such a User Preset after restoring it the ...

Страница 180: ... from the left button on the button bar To set a control click it it will become highlighted and then use the wheel on the mouse to adjust it You can also use the and keys on the numeric keypad to adjust any control To modify AUTOMATION A Choose AUTOMATION from the TOOLS menu An Automation Dialog box will open B Click the NEW EVENT to create a new event Controls to set the event type and time are ...

Страница 181: ...utomatically copied to the Alias folder thus the folder contains all the preset files for that 6300 both Factory and User If you have backed up the 6300 using 6300 PC Remote these will appear in a backup subfolder located within the Alias folder Archived user preset files are text files and can be opened in a text editor like Notepad if you want to examine their contents Of course you will only se...

Страница 182: ...t is active If you attempt to connect to newer version of 6300 from an older version of 6300 PC Remote it will refuse to connect and will emit an error message regarding incompatible versions If you decide to install the new software to a different location on your PC new Ali ases created using the new software will not be located in the same place as the old Aliases To Move Alias Folders Even tho...

Страница 183: ...assword Using the 6300 for Production and Mastering The 6300 can be a useful tool for mastering and production applications in the pro fessional audio industry such as preparation of equalized level controlled peak lim ited CD masters We have frequently used the 6300 in this context achieving excel lent results Because of their broadcast origins most of the 6300 s presets provide more process ing ...

Страница 184: ...et the processor mixer controls to achieve normal drive levels A Connect to the 6300 via 6300 PC Remote software This gives you access to ad vanced controls that are not available from the 6300 s front panel These con trols are crucial to fine tuning the 6300 for mastering Note that by selecting groups of controls with your computer s mouse you can temporarily couple them so you can adjust several...

Страница 185: ...ROSSOVER control The available settings are 100 Hz and 200 Hz The crossover frequency significantly affects the bass texture and the best way to understand the differences between the two crossover frequen cies is to listen We prefer 100 Hz for most mastering applications be cause it puts most of low instrumental bass energy typically kick drum and bass in band 1 and most vocal fundamentals in ban...

Страница 186: ...trol the HF COUPLING control and the individual band compression threshold controls to affect the amount of automatic re equalization performed by the 5 band com pression As you set these controls closer to 100 they permit progres sively less dynamic LF and HF program adaptive boost If you feel that the dynamic re equalization is not producing enough brightness when the program material lacks high...

Страница 187: ...cals when you are adjusting the FINAL LIMIT control O Adjust the BASS CLIP THRESHOLD and BASS CLIP SHAPE controls to complement the amount of final limiting See page 3 38 For most mastering applications you can set the BASS CLIP THRESHOLD to OFF However if you hear pumping or warbling distortion in the look ahead limiter caused by heavy bass transients you can reduce this effect by setting the BAS...

Страница 188: ...d cause audible clipping distortion See Setting Output Modulation Levels on page 1 20 If the 6300 s output is applied directly to a lossy co dec decrease the setting of the 6300 s output level control to allow the necessary headroom If the 6300 s output is applied to a linear PCM stor age medium like a CD it is better to use the entire dynamic range of the linear medium by setting the 6300 s outpu...

Страница 189: ...at the 6300 is at fault The troubleshooting information in Section 5 will help you determine if the problem is with OPTIMOD 6300 or is somewhere else in the station s equip ment 3 Periodically check for corrosion Particularly in humid or salt spray environments check for corrosion at the input and output connectors and at those places where the 6300 chassis contacts the rack 4 Periodically check f...

Страница 190: ...rewdriver 2 Removing the Front Panel Assembly A Detach the cables that connect the display board assembly to the control board Avoid bending or breaking the pins Note the lead dress so you can re assemble the unit correctly B Detach the front panel from the unit a On each side of the chassis remove the three screws close to the front panel b Remove the front panel by sliding it out C Set the front...

Страница 191: ...NC connector to the chassis D Remove the ribbon cable that connects the I O DSP board to the control board E Remove the short two conductor cable that connects the I O DSP board to the control board F Disconnect the cable connecting the power supply to the control board There are two connectors unplug both Note the lead dress so you can reassemble the unit correctly G Remove the twelve 1 Phillips ...

Страница 192: ...er supply to the AC line socket F Reattach the cable that connects the power supply board to the I O DSP board G Secure the insulating cover to the long standoff This cover must be replaced for safety 7 Replacing the Control board and I O Board DSP board Referring to steps 3 and 4 follow the instructions in reverse 8 Replacing the Front Panel Assembly A Set the front panel face down on a soft clot...

Страница 193: ...l assembly to the unit a Verify that all cables are dressed through cutouts in the shield b Slide the front panel assembly into the front of the chassis so that the three threaded holes in the side brackets line up with the holes in the sides of the chassis c Attach the front panel assembly by screwing the six screws removed in step 2 B a on page 4 2 into the holes in the sides of the chassis G Re...

Страница 194: ...igital and digi tal to analog converters and verifies that the digital signal processing section DSP is passing signal correctly If it is doing so there is a high probability that the DSP is performing the dynamic signal processing correctly There is therefore no need to measure such things as attack and release times these are defined by software and will automatically be correct if the DSP is ot...

Страница 195: ...AO PRE E FLAT AO FEEDS MB LIMIT c Navigate to SETUP IO CALIB DIGITAL CALIB Set controls as follows DI REF VU 15 0 DBFS R CH BAL 0 0 DB d Navigate to SETUP IO CALIB DIGITAL CALIB DO1 CALIB Set controls as follows Use the NEXT button as necessary to scroll the screen horizontally DO1 100 2 8 dBFS DO1 PRE E FLAT DO1 RATE 48 kHz DO1 SYNC INTERNAL DO1 WORD 20 DO1 DITH Out DO1 FRMT AES DO1 SOURCE MB LIM...

Страница 196: ...the inductors adjacent to power supply connectors on the I O DSP board Con nect your probe to the sides of the inductors away from the power supply con nectors The results in Table 4 1 are typical Power Supply Rail DC Voltage volts AC Ripple mV p p 15VDC 15 0 5 20 15VDC 15 0 5 20 5VDC 5 0 25 20 Table 4 1 Typical Power Supply Voltages and AC Ripple 3 Adjust Analog Output Level Trim A Verify 6300 so...

Страница 197: ...ter the DSP the DAC and the analog output circuitry H Repeat steps C through G for the right channel 5 Check distortion performance of Analog I O A Verify 6300 software controls are set to their default settings Refer to page 4 7 B Be sure you are still in BYPASS mode see step 3 F C Connect a THD analyzer to the Left Analog Output XLR connector Set the THD analyzer s bandwidth to 22 kHz D Connect ...

Страница 198: ...e generator to emit 32 kHz 44 1 kHz 48 kHz 88 2 kHz and 96 kHz sample rates Listen to the analog outputs of the 6300 and verify that the output sounds clean and glitch free regardless of the source sample rate G Leave the digital source generator connected to the 6300 7 Test Digital Sample Rate Converter Transmitter A Connect an AES3 analyzer like the Audio Precision System 2 to the 6300 s AES3 DI...

Страница 199: ...ntrol Interface Programming on page 2 35 B You can test the RS 232 Port for functionality by verifying that you can con nect to a PC through a null modem cable See Networking and Remote Con trol starting on page 2 36 in particular step 4 on page 2 38 10 Return OPTIMOD 6300 to service A Remove the 620 resistors connected across the outputs B Restore your normal operating parameters using the notes ...

Страница 200: ......

Страница 201: ...ections on either the input or output using digital connections will almost certainly eliminate the RFI Poor Peak Modulation Control The 6300 ordinarily controls peak modulation to an accuracy of 1 when operated with 48 kHz output sample rate As explained in Section 1 output sample rate con version will slightly compromise this control because the peak control occurs with reference to individual s...

Страница 202: ...ession will always exaggerate noise in the source material The 6300 has two systems that fight this problem The silence gate freezes the gain of the AGC and compressor systems whenever the input noise drops below a level set by the threshold control for the processing section in question preventing noise below this level from being further increased There are two independent silence gate circuits ...

Страница 203: ...duction to control peak levels To correct this problem turn down the FINAL LIMIT DRIVE control page 3 39 until the pumping is no longer audible It may also be helpful to adjust band 5 so that it pro duces some high frequency limiting Then save your work as a User Preset Shrill Harsh Sound This problem can be caused by excessive HF boost in the HF Equalizer and HF Enhan cer It could also be caused ...

Страница 204: ...he 2 band structure with Loudness Controller enabled will control loudness slightly more effectively than will the 5 band structure For such material you may wish to use a preset that employs the 2 band structure with loudness con trol System Will Not Pass Line Up Tones at 100 Modulation This is normal Sine waves have a very low peak to average ratio by comparison to program material The processin...

Страница 205: ...ng controls and have adjusted the subjective setup controls in detail to their satisfac tion Such users must fully understand the material in Section 3 of this manual to achieve the best results from this exercise Section 1 of this manual provides a thorough discussion of system engineering con siderations particularly with regard to minimizing overshoot and noise Security Passcode Lost When Unit ...

Страница 206: ... your Modem Connect does not work A Ensure that the modem cables and phone lines are connected properly B Check that you have entered the correct phone number for connection C Check that you have entered the passcode correctly on the 6300 and the passcode has also been entered correctly on your PC D Ensure that you enabled the correct PC modem port settings E Ensure that the external modem attache...

Страница 207: ...rties to make sure they are set up correctly A Click Start Programs Accessories Communications Network and Dialup Connections to bring up the Network Connections screen B In the Network Connections window right click Optimod 6300 Direct and choose Properties C The Properties window opens for Optimod 6300 Direct D Click the Networking tab E Set Type of dial up server I am calling to PPP Windows 95 ...

Страница 208: ... you already set this speed when you configured your PC ports you shouldn t have this problem The 6300 communicates at 115200 bps COM ports on some older PCs are incapable of communications at this rate and may not work reliably Most newer PCs use 16550 compatible UARTS which support the 115200 bps rate If you do see this warning message you can reset the Maximum BPS Speed by accessing PROPERTIES ...

Страница 209: ...ecked are used by this connection uncheck all except for Internet Protocol TCP IP M Select Internet Protocol TCP IP and then click the Properties button The Internet Protocol TCP IP Properties window opens N Choose Obtain an IP address automatically and Obtain DNS server address automatically O Click the Advanced button on the Internet Protocol TCP IP Window P In the Advanced TCP IP Settings selec...

Страница 210: ...ess automatically and Obtain DNS server address automatically J Click the Advanced button on the Internet Protocol TCP IP Window K In the Advanced TCP IP Settings select the General Tab make sure that no check boxes are checked L Click OK to dismiss the Advanced TCP IP Settings window M On the Properties window for Optimod 6300 Modem click the Ad vanced tab N Click OK to dismiss the window whose n...

Страница 211: ...ms connecting to the 6300 Troubleshooting IC Opamps IC opamps are operated such that the characteristics of their associated circuits are essentially independent of IC characteristics and dependent only on external feed back components The feedback forces the voltage at the input terminal to be extremely close to the voltage at the input terminal Therefore if you measure more than a few millivolts...

Страница 212: ... the product this helps us to be prepared to service your unit upon arrival Also when you return a product to the factory for service we rec ommend you include a letter describing the problem Please refer to the terms of your Limited One Year Standard Warranty which ex tends to the first end user After expiration of the warranty a reasonable charge will be made for parts labor and packing if you c...

Страница 213: ...ster sealing tape top and bottom in an H pattern Narrower or parcel post type tapes will not withstand the stresses applied to commercial ship ments Mark the package with the name of the shipper and with these words in red DELICATE INSTRUMENT FRAGILE Insure the package properly Ship prepaid not collect Do not ship parcel post Your Return Authorization Number must be shown on the label or the packa...

Страница 214: ......

Страница 215: ...t or pre emphasized output Noise Output noise floor will depend upon how much gain the processor is set for Limit Drive AGC Drive 2 band Drive and or Multiband Drive gating level equalization noise reduction etc The dynamic range of the A D Converter which has a specified overload to noise ratio of 110 dB primarily governs it The dynamic range of the digital signal processing is 144 dB Total Syste...

Страница 216: ...t 128x oversampled delta sigma converter with linear phase anti aliasing filter Filtering RFI filtered with high pass filter at 0 15 Hz 3 dB Analog Audio Output Configuration Stereo Flat or pre emphasized at 50µs or 75µs software selectable Source Impedance 50 electronically balanced and floating Load Impedance 600 or greater balanced or unbalanced Termination not required or recommended Output Le...

Страница 217: ...optionally added Dither level automatically adjusted appro priately for the word length Connector XLR type male EMI suppressed Pin 1 chassis ground pins 2 and 3 trans former balanced and floating 110 impedance Output Level 100 peak modulation 20 0 to 0 0 dBfs software controlled Filtering RFI filtered Sync Input Configuration Can accept wordclock or AES11id 75 sync selectable in software Connector...

Страница 218: ...midity 0 95 RH non condensing Dimensions W x H x D 19 x 1 75 x 14 25 48 3 cm x 4 5 cm x 36 2 cm One rack unit high Humidity 0 95 RH non condensing RFI EMI Tested according to Cenelec procedures FCC Part 15 Class A device Shipping Weight 10 lbs 4 6 kg Warranty Two Years Parts and Service Subject to the limitations set forth in Orban s Standard Warranty Agreement Because engineering improvements are...

Страница 219: ...h memory holds the operating system the Orban executable program and all preset files both factory and user It also contains a write protected boot seg ment that functions as a boot ROM The control circuits process and execute user initiated requests to the system The source of these requests is the front panel buttons and rotary encoder the rear panel RS 232 port Ethernet port and the remote cont...

Страница 220: ...try implements remote control of certain operating modes Optimod 6300 has eight remote contact closure inputs A valid remote signal is a momentary pulse of current flowing through remote signal pins Current must flow consistently for 50msec for the signal to be inter preted as valid Generally the 6300 will respond to the most recent control op eration regardless of whether it came from the front p...

Страница 221: ... which are also controlled by the SC520 IC1 and IC2 drive the selected row of LEDs through current limiting resistor packs RP1 and RP2 Input Circuits This circuitry interfaces the analog and digital inputs to the DSP The analog input stages scale and buffer the input audio level to match it to the analog to digital A D converter The A D converts the analog input audio to digital audio The digi tal...

Страница 222: ... high frequency energy that would otherwise cause aliasing distortion in the A D converter The corresponding right channel circuitry is functionally identical to that just described IC100 102 are socketed for easy field replacement All other circuitry is sur face mounted and is not field replaceable 2 Stereo Analog to Digital A D Converter Located on input output DSP board The A D converter IC107 ...

Страница 223: ...a floating balanced integrated line driver which has a 50 output impedance The line driver outputs are applied to the RF filtered left and right analog output connectors These analog signals can represent either the transmitter or monitor output of audio processing Component Level Description IC201 and associated components filter the left channel signal emerging from IC211 The purpose of these st...

Страница 224: ...s the DSP executable code stored in the flash memory This typically takes about 7 seconds Once a DSP chip begins executing its program execution is continuous The SC520 provides the DSP program with pa rameter data representing information like the settings of various processing con trols and extracts the front panel metering data from the DSP chips During system initialization the SC520 queries t...

Страница 225: ...rthogonal Frequency Division Multiplex a robust type of digital modulation using many narrow bandwidth low data rate mutually non interfering carriers to achieve an ag gregate high data rate with excellent multipath rejection COM serial data communications port D A or D to A digital to analog converter dBm decibel power measurement 0 dBm 1mW applied to a specified load In audio the load is usually...

Страница 226: ...shoot PC IBM compatible personal computer PCM pulse code modulation PPM peak program meter RAM random access memory RC resistor capacitor RDS RBDS Radio Broadcasting Data Service a narrowband digital subcarrier centered at 57 kHz in the TV baseband that usually provides program or network related data to the consumer in the form of text that is displayed on the radio Occupied bandwidth is 2500 Hz ...

Страница 227: ...ng of a part includes the note selected or realignment required Orban normally maintains an inventory of tested exact replacement parts that can be supplied quickly at nominal cost Standardized spare parts kits are also available When ordering parts from the factory please have available the following informa tion about the parts you want Orban part number Reference designator e g C3 R78 IC14 Brie...

Страница 228: ...01 CAPACITOR NPO 100PF 1 0805 C22 C34 C40 C46 C47 C48 C49 C50 C51 C52 C53 C54 C55 C56 C58 C59 C61 C62 C63 C64 C65 C66 C67 C68 C69 C70 C71 C72 21146 310 01 CAPACITOR 01uf 0805 10 C10 C126 C127 C133 C134 C156 C158 C160 C162 C180 C185 21167 047 01 CAPACITOR 4 7pf 50V X7R 0805 C1 21170 018 01 CAPACITOR 18pf 1 50V COG 0805 C3 C4 21171 105 01 CAPACITOR 1uf X7R 0805 C14 C17 C36 C37 C38 C125 C132 C151 C15...

Страница 229: ...000 01 OSCILLATOR 33MHZ SG636PCE 4P SMD X1 28090 000 01 IC TCXO DS32KHZ 36P BGA U13 28091 000 01 XTAL 25MHZ RXD MP35L SMD Y1 44099 100 01 FIRMWARE 8300 U4 28F128 U4 20129 604 01 1 R0805 604Ω 1 1 8W R48 R49 R51 R53 R55 R56 R58 R60 R62 R64 R68 R69 R76 R77 R80 R82 20238 000 01 1 RESISTOR NET 100K 8RESISTOR 2512 RN52 RN61 22210 000 01 1 DIODE MBR530 SOD123 CR10 23216 000 01 1 TRANSISTOR MMBT4400 SOT23...

Страница 230: ... R703 20131 113 01 RESISTOR 1 8W 1 11 3K 0805 R206 R219 R233 R234 20131 147 01 RESISTOR 1 8W 1 14 7K 0805 R114 R129 20131 499 01 RESISTOR 1 8W 1 49 9K 0805 R301 R304 R310 R311 R317 R318 R401 R402 R700 R706 R707 R900 R901 R904 20131 825 01 RESISTOR 1 8W 1 82 5K 0805 R104 R123 R203 R209 R213 R216 20132 100 01 RESISTOR 100K 0805 R704 R705 R816 R817 R818 20135 100 01 RESISTOR MF 1 8W 1 1 00M SMT R142 ...

Страница 231: ...700 22104 000 01 DIODE RECTIFIER 1N5818 CR903 CR904 22106 000 01 DIODE SMCJ26C TRANZORB CR100 CR103 CR104 CR105 CR202 CR203 CR204 CR205 23214 000 01 TRANSISTOR NPN MMBT3904 Q900 24024 000 01 IC OPA2134PA IC100 IC102 24307 901 01 IC LINEAR DC REG 5V POS IC902 24334 000 01 IC 1 5A SWITCH REG 1 8V IC901 24417 000 01 IC OCT D TYPE FLIPFLOP W IC108 IC406 IC700 24753 000 01 IC AD1895 SRC 192KHZ IC302 IC...

Страница 232: ... 1 R702 21170 282 01 1 CCC 0805 0082U 50 5 COG C132 C133 C134 C135 21170 310 01 1 CCC 0805 01U 50 5 COG C100 C102 C104 C106 24676 000 01 1 IC TRANS CS8427 28 PIN IC300 24760 000 01 1 IC QUAD CMOS SPST SWITCH IC101 IC103 24762 000 01 1 IC QUAD BUFFER 3 STATE OUTP IC401 24763 000 01 1 IC EPM7064AETC100 10 IC800 24766 000 01 1 IC PLL1707DBQ IC801 27479 002 01 1 CONNECTOR HEADER 156CTR 2 PIN J901 2747...

Страница 233: ...6085 000 01 SWITCH ROT VERTICAL MOUNT 2 BIT S12 27366 000 01 CONNECTOR 100 POSTS 5X2 MLE P1 27367 000 01 CONNECTOR 100 POSTS 8X2 P2 P3 P4 27404 000 01 CONNECTOR PLUG POLAR WHITE NYL P5 6 27420 002 01 CONNECTOR 2 PIN RIGHT ANGLE J1 43008 501 01 ASSEMBLY WIRE BLK 12 43008 503 01 ASSEMBLY WIRE RED 12 Schematics and Parts Locator Drawings These drawings reflect the actual construction of your unit as ...

Страница 234: ... AES3 Input output DSP Chips Local regulators Contains Parts Locator Drawing 6 28 L and R Analog Inputs Schematic 1 of 9 6 29 L and R Analog Outputs Schematic 2 of 9 6 30 Digital Input and Sync Input Schematic 3 of 9 6 31 Digital Outputs Schematic 4 of 9 6 32 DSP Extended Serial Audio Inter face ESAI and Host Interface Schematic 5 of 9 6 33 DSP Serial Peripheral Interface Power and Ground Schemati...

Страница 235: ...OPTIMOD 6300 DIGITAL TECHNICAL DATA 6 21 INPUT OUTPUT INPUT OUTPUT DSP SECTION DSP SECTION DISPLAY ASSEMBLY AC LINE SUPPLY POWER WARNING UNDER SHIELD ARE EXPOSED TO PARTS CONTROL BOARD BOARD ...

Страница 236: ...6 22 TECHNICAL DATA ORBAN MODEL 6300 CONTROL BOARD PARTS LOCATOR ...

Страница 237: ...0 GPA21 GPA22 GPA23 GP_RESET GP_AEN GP_MEMWR N GP_MEMRD N 3 3V 1 2 3 4 5 6 7 8 10 9 RN3 RNET4 7K PIO26 GPMEMCS16 N PIO25 GPIOCS16 N PIO13 GPIRQ10 PIO23 GPIRQ0 PIO22 GPIRQ1 PIO15 GPIRQ8 PIO21 GPIRQ2 DACK0 N DREQ0 GPD 0 15 GPA 0 25 ISA_A16 ISA_A17 ISA_A18 ISA_A19 ISA_A20 ISA_A21 ISA_A22 ISA_A23 ISA_A25 ISA_A24 ISA_IOWR N ISA_IORD N ISA_RESET ISA_AEN ISA_MEMRD N ISA_MEMWR N 1 2 3 4 5 6 7 8 10 9 RN2 R...

Страница 238: ... MECC5 MECC6 3 3V 3 3V MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 MA9 MA10 MA11 MA12 MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 MA9 MA10 MA11 MA12 BA0 BA1 MD0 MD1 MD2 MD3 MD4 MD5 MD6 MD7 MD8 MD9 MD10 MD11 MD12 MD13 MD14 MD15 MD 0 31 MA0 MA1 MA2 MA3 MA4 MA5 MA6 MA7 MA8 MA9 MA10 MA11 MA12 MA 0 12 MD16 MD17 MD18 MD19 MD20 MD21 MD22 MD23 MD24 MD25 MD26 MD27 MD28 MD29 MD30 MD31 3 3V CKELOW RAMCS N RAMRAS N RAMCAS N ...

Страница 239: ...D29 PCI_AD30 PCI_AD31 PCI_AD 0 31 PCI_AD24 PCI_CBE0 N PCI_CBE1 N PCI_CBE2 N PCI_CBE3 N PCI_RESET N PCI_DEVSEL N PCI_STOP N PCI_IRDY N PCI_TRDY N PCI_FRAME N PCI_PERR N PCI_SERR N PCI_PARITY PCI_REQ0 N PCI_GNT0 N PCI_INTA N 3 3V 3 3V PCI_CLKOUT PCI_CLKRETURN CNFGDISN MDIO C3 18PF C4 18PF C6 0 1UF C7 0 1UF C8 0 1UF C5 10PF R19 49 9 OHM R20 49 9 OHM R22 49 9 OHM R23 49 9 OHM R21 0 OHM TXDATA TXDATA R...

Страница 240: ...2 11 U19C PS2506 4 7 8 10 9 U19D PS2506 4 1 2 3 4 J8 HDR 2X2 KEY KEY TO POW ER ON LED DB25 M NC AF25 NC AF23 NC AF1 NC AE25 NC AE24 NC AE1 NC AD25 NC AD26 NC AD1 NC AD2 NC AC25 NC AC3 NC AA26 NC AB4 NC AB3 NC E23 NC D23 NC C22 NC E3 NC C5 NC C6 NC B3 NC B4 NC B6 NC A3 NC AC17 NC AD17 NC AE17 NC AC16 NC AD16 NC AE16 NC AF15 NC AF16 NC AE15 NC AD14 NC AD15 NC AE14 NC AF14 NC AF13 NC AE13 NC AD13 NC ...

Страница 241: ... 0 1UF C177 0 1UF C179 0 1UF C182 0 1UF R34 10 OHM C126 0 01UF C127 0 01UF C133 0 01UF C134 0 01UF C156 0 01UF C158 0 01UF C160 0 01UF C162 0 01UF C180 0 01UF C14 1 0UF C17 1 0UF C125 1 0UF C132 1 0UF C151 1 0UF C153 1 0UF C155 1 0UF C157 1 0UF C159 1 0UF C161 1 0UF C175 1 0UF C178 1 0UF C181 1 0UF C183 1 0UF C201 1 0UF C13 10UF C15 10UF C16 10UF C18 10UF C202 10UF IN 1 GND 2 OUT 3 TAB 4 U14 LT196...

Страница 242: ...6 28 TECHNICAL DATA ORBAN MODEL 6300 I O DSP BOARD PARTS LOCATOR ...

Страница 243: ... 1µF 50V C123 0 1µF 50V C124 0 1µF AGND 50V C126 0 1µF 50V C128 0 1µF 50V C127 0 1µF AGND AGND AGND 5VA 1 R155 249OHM LEFT ANALOG INPUT RIGHT ANALOG INPUT DD0 DD1 DD2 DD3 DD 0 3 DD4 DD5 DD6 DD7 DD 4 7 5V DD0 DD1 DD2 DD3 DD 0 7 D0 D1 D2 D3 D4 D5 D6 D 0 7 SHT8 AIN_MCLK IN_BCLK IN_FCLK SHT9 SHT9 SHT9 SHT9 D7 RSTAD N SHT9 DD4 DD5 DD6 DD7 SHT8 INGAINCS N 5 100V C101 47PF 5 100V C103 47PF 5 100V C105 47...

Страница 244: ...C212A OPA2134UA 5 6 7 IC212B OPA2134UA 25V C234 0 47µF 25V C235 0 47µF 1 R247 1 00M 1 R248 1 00M 1 R249 110OHM 1 R250 110OHM 15V 15V AGND3 C W VR200 10K C W VR201 10K AGND3 AGND4 1 R251 10 0K 1 R252 10 0K AGND3 AGND4 1 2 3 4 5 6 7 8 IC213 DRV134PA 1 2 3 4 5 6 7 8 IC214 DRV134PA AGND3 AGND4 15V 15V Servo f 3dB 0 10Hz LEFT 1 OUTPUT TRIM RIGHT 2 OUTPUT TRIM AGND4 AGND4 AGND3 AGND1 AGND2 AGND L204 C23...

Страница 245: ... 49 9K E308 E309 SHT8 5V 1 50v C312 1000PF SHT8 SHT8 SHT8 SHT8 SHT9 SHT5 E304 E305 E311 L302 FERRITE L303 FERRITE SHT8 SRCRST N AESINRMCK E301 E302 R310 49 9K SHT8 SHT8 E303 E315 SHT9 R311 49 9K E316 AESINLRCK AESINSCLK SHT8 SDA CDOUT 1 AD0 CS 2 EMPH 3 RXP 4 RXN 5 VA 6 AGND 7 FILT 8 RST 9 RMCK 10 RERR 11 ILRCK 12 ISCLK 13 SDIN 14 TCBL 15 OSCLK 16 OLRCK 17 SDOUT 18 INT 19 U 20 OMCK 21 DGND 22 VL 23...

Страница 246: ...RCK 12 ISCLK 13 SDIN 14 SCL CCLK 28 AD1 CDIN 27 TXP 26 TXN 25 H S 24 VL 23 DGND 22 OMCK 21 U 20 INT 19 TEST 18 TEST 17 TEST 16 TCBL 15 IC404 CS8406 CZZ MCLK_C MCLK_C SHT9 SHT9 SHT9 SHT9 SHT8 SHT9 SHT9 SHT9 SHT9 SHT8 SHT8 SHT8 SHT8 SHT8 SHT8 SHT8 SHT8 SHT8 SHT8 SHT8 1OE 1 2OE 4 3OE 10 4OE 13 1A 2 2A 5 3A 9 4A 12 1Y 3 2Y 6 3Y 8 4Y 11 VCC 14 GND 7 IC401 74ACT125 1OE 1 2OE 4 3OE 10 4OE 13 1A 2 2A 5 3A...

Страница 247: ...2 0 47µF C504 0 47µF C506 0 47µF 1 8V 1 8V 1 8V 1 8V 3 3V 3 3V E28 E29 E30 E31 C508 0 47µF E32 E33 3 3V 3 3V SD31 E34 E35 SD00 SHT9 SHT9 SHT9 SHT9 SHT9 BCLKA FSYNCA BCLKA FSYNCA BCLKA FSYNCA BCLKA FSYNCA EXTALA SHT9 EXTALA SHT9 EXTALA EXTALA SD04 SD03 IN_FCLK IN_BCLK SD02 SD10 SD01 SD11 SD20 SD21 SD30 E49 3 3V 3 3V 3 3V 3 3V H7 34 H6 35 H5 36 H4 37 H3 40 H2 41 H1 42 H0 43 HA2 31 HA1 32 HA0 33 HRD ...

Страница 248: ...1 3 3V 1 8V E602 3 3V 1 8V E603 A0 72 A1 73 A2 76 A3 77 A4 78 A5 79 A6 82 A7 83 A8 84 A9 85 A10 88 A11 89 A12 92 A13 93 A14 94 A15 97 A16 98 A17 99 AA0 RAS0 70 AA1 RAS1 69 AA2 RAS2 51 CAS 52 RD 68 WR 67 TA 62 BR 63 BG 71 BB 64 D0 100 D1 101 D2 102 D3 105 D4 106 D5 107 D6 108 D7 109 D8 110 D9 113 D10 114 D11 115 D12 116 D13 117 D14 118 D15 121 D16 122 D17 123 D18 124 D19 125 D20 128 D21 131 D22 132...

Страница 249: ...ESINCS N INGAINCS N ADRST N DARST N SRCRST N SHT9 SHT9 D0 D1 D2 D3 D4 D5 D6 D7 SHT2 5 5V 5V E707 E708 D0 3 Q0 2 D1 4 Q1 5 D2 7 Q2 6 D3 8 Q3 9 D4 13 Q4 12 D5 14 Q5 15 D6 17 Q6 16 D7 18 Q7 19 OE 1 CLK 11 VCC 20 GND 10 IC700 74HCT374PW SHT4 5 SHT4 5 SHT4 5 E703 E704 E705 E701 E702 DOUTSRCS N 1 2 3 IC704A 74ACT32 4 5 7 6 14 IC704B 74ACT32 9 10 8 IC704C 74ACT32 12 13 11 IC704D 74ACT32 SOUT2 E709 DIINT ...

Страница 250: ...4AETC100 10 3 3V 24 576MHZ 3 3V DSPRST N START SHT8 SHT8 1 R800 4 99K 1 2 3 J801 HDR 3 SD00 SD01 SD02 SD03 SD04 SD10 SD11 SD20 SD21 SD30 SD31 SD32 SD33 SD34 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 SHT6 AIN_DATA DIN_DATA SHT2 SHT4 IRQB N 1 536MHZ MCLK_A MCLK_B MCLK_C EXTALA FSYNCA BCLKA OUT_BCLK OUT_FCLK IN_BCLK IN_FCLK AOUT_DATA AOUT_BCLK AOUT_FCLK DOUT1_DATA DOUT1_BCLK DO...

Страница 251: ... 1µF C953 0 1µF C954 0 1µF 5V C955 0 1µF C956 0 1µF C957 0 1µF C958 0 1µF 20V C946 10µF C959 0 1µF C1003 0 1µF C1004 0 1µF 3 3V C1010 10µF C1011 1 0µF C960 0 1µF C961 0 1µF C962 0 1µF C963 0 1µF C964 0 1µF C965 0 1µF C967 0 1µF C968 0 1µF C969 0 1µF C970 0 1µF C971 0 1µF C973 0 1µF C974 0 1µF C972 0 1µF C976 0 1µF C977 0 1µF C978 0 1µF C975 0 1µF CR902 DIODE_VOL 6 8 C979 0 1µF C996 0 1µF 5V C995 1...

Страница 252: ...6 38 TECHNICAL DATA ORBAN MODEL 6300 FRONT VIEW REAR VIEW FRONT PANEL PARTS LOCATOR DIAGRAM ...

Страница 253: ...1 R Y 2 R Y 3 R Y 4 R Y 5 1 2 YEL CR8A 3 4 YEL CR8B 5 6 YEL CR8C 7 8 YEL CR8D 9 10 YEL CR8E 11 12 YEL CR8F 13 14 YEL CR8G 15 16 YEL CR8H 17 18 YEL CR8I 19 20 RED CR8J 1 2 GRN CR9A 3 4 GRN CR9B 5 6 GRN CR9C 7 8 GRN CR9D 9 10 GRN CR9E 11 12 GRN CR9F 13 14 GRN CR9G 15 16 GRN CR9H 17 18 YEL CR9I 19 20 RED CR9J R Y 6 R Y 7 R Y 8 R Y 9 R Y 10 R Y 11 R Y 12 R Y 13 R Y 14 R Y 15 1 2 RED CR10 1 2 RED CR16A...

Страница 254: ...10 12 14 16 P2 8x2 POSTS F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 F13 F14 F15 F16 F17 F18 F19 F20 F21 F22 F23 F24 F25 F26 F25 F26 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 P3 8x2 POSTS FY0 FY1 FY2 FY3 FY4 FY5 FY6 FY7 FY8 FY9 FY10 FY11 FY12 FY13 FY14 FY15 FS2 FS3 FS4 F24 5V D0 3 Q0 2 D1 4 Q1 5 D2 7 Q2 6 D3 8 Q3 9 D4 13 Q4 12 D5 14 Q5 15 D6 17 Q6 16 D7 18 Q7 19 OE 1 C L K 11 V C C 20 G ND 10 IC3 74HC374 ...

Страница 255: ...OPTIMOD 6300 DIGITAL TECHNICAL DATA 6 41 ...

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