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(the factory setting) or 75 ohms. The default setting is appropriate for the vast majority of exciter connections.

However, in the event a higher source impedance is required a jumper can be moved (one for each composite

output) on the motherboard to change the source impedance to 75 ohms. For reference, J10 is for Composite #1, and

J13 is for Composite #2.

19 kHz Sync Output (BNC) (FM Mode Only)

This TTL-level 19 kHz square wave output can be used as the reference signal for any SCA generator that operates

at 57 kHz or other multiple of the 19 kHz pilot frequency. This Sync output is phase and frequency locked to the

stereo pilot. When this signal is used to synchronize an external SCA or RDS generator, this locking assures that no

difference frequencies exist which may cause intermodulation components between the pilot and the SCA signal.

SCA Input (BNC) (FM Mode Only)

Any SCA signal above 53 kHz can be added to the composite outputs of the Omnia-6EX by connecting the SCA

signal to the SCA INPUT connector. The SCA signal is mixed in the analog domain directly into both composite

outputs. A high-pass filter on the SCA input provides SCA to main-channel crosstalk protection. The SCA deviation

level is controlled through the

SCA Level

software parameter in the Encode Menu.

Ethernet Connection

The Remote Control link for your Omnia6-HDFM can take several forms. Dial-up modem, RS-232 serial, and

TCP/IP over 10BaseT and 100BaseT networks can be utilized. Using any of these options requires the Omnia-6

Remote Control application that can be downloaded from http://www.omniaaudio.com, the Omnia website. The

setup and operation of the Remote Control software application is covered in detail in Chapter 6.

RS-232 Connection (DB-25F)

This connector serves two important purposes: It can be used for a local, bi-directional computer connection with

Omnia-6 Remote Control, or it can be used for troubleshooting and error code resolution. In the former case,

Omnia6-HDFM Remote Control software is utilized. In the latter, any terminal emulation program can be used. In

either case, you must use a standard, straight-through serial cable (

not

a null modem cable) between the RS-232

connector and the serial port connector on the computer. Typically, a DB25 male to DB-9 or DB-25 female cable

will be used, with the DB-25 male end of the cable attached to the Omnia-6EX.

The setup and operation of the Omnia Remote Control application is covered in detail in Chapter 6.

Omnia-6ex Use and Operation Manual – V: 1.10

Содержание 6EX

Страница 1: ...DFM EX Models With v7 0 1 Release Software and Higher Omnia 2101 Superior Avenue Cleveland Ohio 44114 USA TEL 1 216 241 7225 FAX 1 216 241 4103 Email info omniaaudio com www omniaaudio com Omnia Europ...

Страница 2: ...ring Telos ingenuity for DSP design has been tremendously beneficial to our work on Omnia If you thought the original Omnia made noise on the dial all I can say is look out It s like one of the top of...

Страница 3: ...m or when it is left unattended and unused for long periods of time unplug it from the AC wall outlet This will prevent damage to the product due to lightning and power supply surges 13 Overloading Do...

Страница 4: ...s It has been tested and found to comply with the limits for a Class A computing device pursuant to subpart J of Part 15 FCC Rules designed to provide reasonable protection against such interference w...

Страница 5: ...battery is replaced incorrectly Replace only with same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions USE OF SHIELDED CABLING...

Страница 6: ...uct enhancement announcements software updates manual updates and customer care bulletins The following URL listing has been included for your update convenience Manual Updates http www omniaaudio com...

Страница 7: ...s can be configured for flat or pre emphasized output Signal to Noise Ratio 80 dB de emphasized 20 Hz 15 kHz bandwidth referenced to 100 modulation System Distortion Less than 0 01 THD 20 Hz 7 5 kHz S...

Страница 8: ...tive electronically balanced Maximum Input Level 24 dBu Nominal Input Level A 13dBu input signal nets a 12dBFS input meter reading when the Input Gain Control is set to 0 0 dB A 1dBu input signal nets...

Страница 9: ...rmer isolated balanced and floating Standard AES3 specified 110 ohm source impedance Digital Output Level 22 0 to 0 0 dBFS software adjustable Digital Sync Input External Sync Output sample rate can b...

Страница 10: ...wer Supply Overvoltage and short circuit protected Meets EN55022 EN55011 Level B Conducted Emissions EN61000 4 2 3 4 5 6 level 3 immunity compliant Full international safety approval CE marked Environ...

Страница 11: ...r incidental or consequential damages or for loss damage or expense directly or indirectly arising from the use of any of the Products or the inability to use any of the Products either separately or...

Страница 12: ...ator 28 Headphone Level Control 28 User Interface Tutorial 29 Menu Overview 31 Menu Items 31 Preset 31 Process 31 Input Output Submenus 32 Encode 33 Menu Overview continued Schedule 33 System 33 Menu...

Страница 13: ...citer FM Mode 56 Pre emphasis where to insert FM Mode 57 Output Connection Options HD Mode 58 AES 2 Output Sample Rate Settings 59 5 FINE TUNING YOUR SOUND About Loudness and Listener Fatigue 60 Clari...

Страница 14: ...tem Parameters sysparas 99 Setting New syspara Values 99 Creating a Trigger Script 100 Example Switch to Mono 100 Example Switch to Stereo 101 Using the Script Editor continued Interface Connector 102...

Страница 15: ...uld see meter activity on the Input Output and Processing meters 5 While in the Input menu and observing the Input meters adjust the left and right input level controls until the input meters are peak...

Страница 16: ...ton to gain access to this manual Now is the time to inspect the Omnia 6EXunit and its shipping carton for any signs of shipping damage which must be reported to your carrier for any claims The Omnia...

Страница 17: ...e technical support for any other modem card External modems are a different case Typically any external Hayes compatible modem may be connected to the rear panel serial port See Chapter 6 for more de...

Страница 18: ...these spaces The processor should be installed into a thoroughly grounded 19 equipment rack Refer to Chapter 4 Processor Interfacing for additional considerations on where to physically locate your p...

Страница 19: ...hase If the relative phase of your installation including the Omnia 6EX differs from that of your existing system your announcers may feel that they sound weird in their headphones If this occurs then...

Страница 20: ...channel crosstalk protection The SCA deviation level is controlled through the SCA Level software parameter in the Encode Menu Ethernet Connection The Remote Control link for your Omnia6 HDFM can tak...

Страница 21: ...6EXin response to these input logic transitions Virtually ANY parameter of the Omnia can be controlled using the Trigger Scripts The Trigger Script Interface Editor is a standard component of the Omn...

Страница 22: ...dphone outputs The AES EBU outputs also become usable at this time However full initialization of the ports is not complete for several more seconds and there could be a brief sub second interruption...

Страница 23: ...Omnia DSP code The left hand screen serves as the Meter Display It shows bargraph indications for the AGC and Limiter stages as well as VU and digital sample accurate peak indications of the Input and...

Страница 24: ...adjustments can be quickly made with ease without having to remember multiple controls their positions and what they do in each menu The behavior of the Omnia 6EX s menu system is consistent across pa...

Страница 25: ...ypical not hyper compressed program material The Output meters indicate the peak levels at the analog and digital XLR outputs but not the composite MPX outputs Processing Display The thirteen vertical...

Страница 26: ...nd with ease When the Main Menu is displayed as shown above rotating the jog wheel sequentially highlights each menu item This is called Highlight Mode With a menu item highlighted pressing on the jog...

Страница 27: ...ht the desired choice with the jog wheel and click A filled box serves to indicate that a parameter choice is selected To adjust a rotary knob control like those shown in the AGC Mixer Parameter Windo...

Страница 28: ...r modem based remote control session is in progress Headphone Level Control A standard stereo headphone jack located at the lower left corner of the front panel allows the processed signal to be monit...

Страница 29: ...choices Analog or AES EBU is highlighted The filled box next to the selection name identifies the current selection The factory default selection for Input Source is Analog To change the selection to...

Страница 30: ...peak indications the bouncing balls regularly bouncing up to between 12 and 6 dBFS Since the meters are indicating the true peak level this will give you about 20 dB of VU system headroom given typica...

Страница 31: ...word protect user presets using options found on this submenu See Page 34 for details Process Highlighting and clicking Process opens up the Process submenu shown below Process Submenu showing Process...

Страница 32: ...ce and forget selections or parameters usually adjusted during installation and then left alone In fact they are called System parameters and are not saved with a Preset The System can be saved to and...

Страница 33: ...tting the serial RS 232 communications baud rate TCP IP networking parameters the date time and the Screen Saver backlight off timeout interval See Pages 44 47 for full details on all the settings in...

Страница 34: ...or more on working with Presets A short description of each factory preset can also be found in Appendix B on Page 117 This submenu is active under Level 3 password access or at Security Levels 1 or 2...

Страница 35: ...tep through all the possible characters Once the desired character is displayed click the jog wheel to select that character Rotate the jog wheel to select the next character and edit that as appropri...

Страница 36: ...gate to the Process Menu and click on it 2 Enter the correct passcode for the preset when prompted for it noting that the code is case sensitive 3 The message sending passcode XX should appear If the...

Страница 37: ...gital input peak levels simultaneously For analog and digital signals the control range is from 12 0 to 12 0 dB of gain The factory default control setting of 0 0dB corresponds to a maximum peak input...

Страница 38: ...rocessor Mono R routes the Right Input only through both channels of the processor Mono L R sums the stereo input to mono and processes the summed audio Swap L R swaps the Left and Right Inputs Invert...

Страница 39: ...ures that clipping occurs equally on positive and negative peaks making better use of the symmetrical nature of the FM modulation process Phase rotation can make talent voice sound cleaner but since i...

Страница 40: ...eak Output Level controls operate When FM Out is selected the controls set the conventional FM output levels This level is also sent to the Output Bargraphs on the Left LCD screen When HD DAB is selec...

Страница 41: ...the conventional FM or the HD DAB output for monitoring purposes Power Limiting FM Mode Only In certain parts of the world the average multiplex signal power must be controlled to reduce adjacent chan...

Страница 42: ...t crest at 100 modulation SCA Level Sets the SCA subcarrier deviation level This adjustment should always be done using a calibrated modulation monitor Note Adjusting the Composite Outputs changes the...

Страница 43: ...s S S or every day All All dayparts must end within a 24 hour period Over 450 individual events can be programmed within a 7 day interval Schedule Submenu Schedule List Previously saved Schedule files...

Страница 44: ...rt Baud Security Level Backlight Reboot System NTP and Reset Passwords System Submenu Port Baud This option sets the rear panel RS 232 communications port parameters between 9 600 baud 19 200 baud and...

Страница 45: ...an accuracy of better than 0 5 minutes per month Note An additional menu will prompt you to set the unit to Daylight Saving or Standard time Note There is now an NTP time function available which can...

Страница 46: ...ystem parameters into the system All Input Output levels and other System parameters are reset back to their factory default settings Load From Card Allows the system settings essentially all of the i...

Страница 47: ...very accurately over the long term Both long and short term timekeeping are enhanced by this feature With NTP time the Omnia s clock can be accurate to a few fractions of a second Accurate sources of...

Страница 48: ...nfigure this parameter Subnet Mask The subnet mask setting must match your network gateway See your IT department if you aren t certain how to configure this parameter Save Changes After changes have...

Страница 49: ...ten general processing sections as shown below Process Menu Block and Signal Flow Diagram Following is a list of these sections followed by an explanation of their functions The name of the process bl...

Страница 50: ...better use of the symmetrical limitations of the FM medium This feature may be defeated for a more musically transparent sound at the expense of possibly increased distortion on certain voice material...

Страница 51: ...g in stereo The stereo width is automatically controlled to avoid over enhancement Multiband Dynamic Peak Limiter Not just simple limiter sections using single time constants but rather a sophisticate...

Страница 52: ...kHz subcarrier is greater than 75 dB User parameters include Separation Pilot Phase Pilot Level and Composite Output Level Selectable Composite Clipper with Phase Linear Composite Low Pass Filter Con...

Страница 53: ...these STL factors Analog STL Use Is the STL path a clean shot If the path is noisy or is plagued by fades multipath or other types of interference especially if a composite STL is used unwanted noise...

Страница 54: ...ot be used Many exciters include some form of safety clipper or limiter as well but these can add distortion and unexpected overshoots if not set up properly Monitoring Point Once Omnia 6EX is on the...

Страница 55: ...itoring off the air If there is additional delay added to the system such as a Digital STL the cumulative delay may become excessive and cause discomfort for the on air talent Real world tests conduct...

Страница 56: ...he Omnia 6EX Input menu set the Pre emphasis ON at the correct value for your country In the Output Menu set the De emphasis option to OFF This ensures that output from the processor is now pre emphas...

Страница 57: ...sor overshoots will occur Therefore it is far more advantageous to employ pre emphasis only once in the Omnia 6EX and set the exciter to accept a flat input which greatly reduces the chance of oversho...

Страница 58: ...uts XLR s follow the source selected and de emphasis is applied as selected in the Output Menu The AES 1 Output follows the source selected and at the sample rate options provided in the Output Menu T...

Страница 59: ...ample rate of AES 1 or controlled by S0 and S1 Table 1 Jumper Setting Options for S0 S1 and S2 Sample Rate Jumper S0 Jumper S1 Jumper S2 32 KHz B C B C B C 44 1 KHz DEFAULT B C A B B C 48 KHz A B B C...

Страница 60: ...aintains that famous Omnia clarity sought after by top programmers all over the world We encourage broadcasters to utilize the power of the Omnia 6EX to create good competitive loudness while maintain...

Страница 61: ...arameters are changed at one time it is hard to determine which change made the difference you may hear That can be frustrating whether the change made your station sound better or worse Take your tim...

Страница 62: ...ation the limiter indicators will have a dynamic bounce that you will be able to get a feel for Every now and then you will see the limiter react quickly and show a larger amount of gain reduction Not...

Страница 63: ...Sometimes the Limiter section may not indicate any action at all especially on the top three bands For Omnia 6EX this is completely normal Examples of this behavior might be seen with heavily process...

Страница 64: ...ts were created as starting points typical of the on air sound that might be typical with such format names but they are not engraved in stone For instance the technical sound of CHR stations usually...

Страница 65: ...name list Rotate the jog wheel clockwise to scroll down the list highlighting each preset as it goes Once you have highlighted the desired preset name just click once to load that preset into the Omn...

Страница 66: ...uld use care and patience while in this section Unlike other processors the Omnia 6EX does not limit the range of adjustments that you can make It is essential that you know what your goals are before...

Страница 67: ...al algorithm within the Wideband AGC Attack time circuit prevents the loss of Wideband AGC gain reduction when the Attack time control is operated at extremely slow values The Make Up Gain control set...

Страница 68: ...etting in this case to have the gain return to 10 dB when gated Note that ratios are critical to the open and musical sound of the Omnia 6EX and therefore we do not offer them as user adjustments If y...

Страница 69: ...the mutiband AGC sections adjustments are on a per frequency band basis Low Band AGC shown as example other bands are identical As with any multiband processor improper adjustment can exaggerate nois...

Страница 70: ...atios will affect the displayed value of the RTP For instance if you set the RTP gain value to 10 but notice that the band gain recovers only to 5 dB when gated it is because we have set a slightly lo...

Страница 71: ...monics of the lower registers to the upper bass frequencies The algorithm extracts information contained in the initial attack to do its work and low frequency texture is therefore emphasized Older re...

Страница 72: ...tings are initially recommended but the overall density can be adjusted by changing all six of the limiter drive controls up or down an equal amount More drive to the limiters will increase the densit...

Страница 73: ...ith this control you can artistically trade off the dynamic limiting against brick wall clipping as each has its own sound As the limiter threshold is lowered by turning the Limit Thresh control clock...

Страница 74: ...encies Adjusting all 6 controls an equal amount is virtually the same as adjusting the Clipper Drive control in the Clippers window or Limiter Drive control in the Look Ahead Limiter window If your de...

Страница 75: ...y to 380 Hz Clipper Style This is another new function designed to alter the texture of the Bass Clipper system These buttons select one of two specialized algorithms that control the Bass Clipper Tig...

Страница 76: ...he stereo pilot and SCA regions Look Ahead Limiter HD Mode Only Look Ahead Limiter Submenu Omnia 6EX employs a Look Ahead limiter to provide absolute precision peak control for the HD Digital Channel...

Страница 77: ...ed settings are faster and while louder may create a busier sound with more intermodulation distortion Density Within the limiter algorithm are multiple networks that perform the timing or attack rele...

Страница 78: ...g you to verify that you wish to save the settings over the currently selected preset the system will save the latest changes made to the current preset name To save the preset under a new name thus k...

Страница 79: ...be asked to confirm the destruction of the selected preset Highlight and click on Yes to go ahead and delete the preset or No to cancel and return to the Rename and Delete screen Protecting Presets B...

Страница 80: ...is protected and the user clicks on the Process menu they will be prompted for the correct passcode for the preset they wish to edit or view b Protected presets may not be viewed edited or printed wi...

Страница 81: ...ts safe range or used multiple boxes in the signal chain and accepted the byproducts of the interactions and conflicts among them Omnia 6EX has changed all of that It s been designed to look at the in...

Страница 82: ...h band so that they operate faster Set the Hold threshold to a lower value or turn them off 3 Drive the Clipper Look Ahead Limiter sections harder 4 A combination of the above steps but in small incre...

Страница 83: ...B steps It s surprising how much detail can be restored from just a small change of 0 5 dB Generally changes in the Clipper drives will have the most noticeable effect on quality but it will also affe...

Страница 84: ...teps are utilized in the pursuit of more bass then severe low frequency over enhancement can occur Excessive bass boost can produce the illusion that the presence and high frequencies have been lost T...

Страница 85: ...your computer system or to your Windows registry Using standard Windows procedures create a new folder by the name you wish to use and place a copy of O6RemoteXXX exe in that folder You can then also...

Страница 86: ...b site www omniaaudio com Start the O6RemoteXXX exe program As mentioned earlier when the program is run for the first time you will get an error message saying No connection database creating new dat...

Страница 87: ...used This naming convention is not mandatory but it will help keep things tidy if you decide to use Omnia 6 Remote Control to connect to several Omnia 6EX units Note Use New to create any additional c...

Страница 88: ...of Hayes command set compatible modems If you have difficulty using your modem you may call Omnia Customer Support for assistance but please gather as much information about your modem as possible bef...

Страница 89: ...ull modem cable will not work Connecting via Modem Configure a new connection also entering the telephone number to which the Omnia 6EX s optional Modem Card is connected Then fill in the Password box...

Страница 90: ...t box altogether and place the complete dialing command string into the Phone box The choice is yours As pointed out earlier a common customer need is the ability to tell the modem to ignore a non sta...

Страница 91: ...the possible Hayes command set initialization string options You can locate such resources by using the search text Hayes Command Set in your Internet browser Two such sites with resources that have b...

Страница 92: ...ase Level 3 engineer all lower case These passwords can only be changed at the front panel of the Omnia 6 The Remote Control software allows multiple connection profiles to be created so that a mix of...

Страница 93: ...ting Auto Connect to Last Then the program will always connect to the Omnia 6EX using the last used startup connection entry Note that if you have not entered a Password while editing the connection t...

Страница 94: ...r panel RS 232 port especially during system boot up can be very useful for troubleshooting purposes Upon occasion Omnia Customer Support personnel may ask you to capture such data from the rear port...

Страница 95: ...ed function associated with the Trigger LOW command and moving the connector pin from a grounded to a floating condition issues the Trigger HIGH command Trigger Control by Applied Voltages The Trigger...

Страница 96: ...ypart Scheduler Using The Trigger Script Editor A Trigger Script is written using the Trigger Interface Script Editor which is contained within the Omnia Remote Control software The Script Editor runs...

Страница 97: ...neral functions Dayparts Presets System parameters etc In use a command is typed in and then the enter or return key is pressed If the command is executable e g parts then the command is run e g a tab...

Страница 98: ...es made to a factory preset in order to save it as a unique name saveas Saves the preset under a different name Example saveas BOOGY enter Commands the Omnia to save the current settings as preset BOO...

Страница 99: ...r Drive 12 17 Output Master 10 0dB 18 Output Left 10 0dB 19 Output Right 10 0dB 20 DAB Master 10 0dB 21 DAB Left 10 0dB 22 DAB Right 10 0dB 23 Analog Out FM 24 AES Out 1 FM 25 AES Out 2 FM 26 Headphon...

Страница 100: ...t is opened In scripts all lines that begin with syspara must be followed by two numbers that identify the parameter ID number that is being set and that ID number s new value The value numbers and th...

Страница 101: ...ia 6EX s memory are then replaced by your new scripts To save the edited Script Editor scripts to the PC Card click Save to Card To recall previously edited scripts click Load From Card These can then...

Страница 102: ...nnel is used When the pin 1 contact is subsequently opened the Omnia 6EX will switch back to and stay in stereo operation pilot on and both left and right input channels being used as long as the cont...

Страница 103: ...ing the special script editor built into the New or Modify Schedule window in the Remote Software Only and the syntax is the same as for the Trigger Scripts described in the previous section The Daypa...

Страница 104: ...from Omnia To take complete advantage of this functionality you only need a standard terminal program for DOS Windows or other operating system It must be configured for a default baud rate of 19200...

Страница 105: ...stem Storage Work Omnia Card Work Preset Table Msg System FM6 common 1 specific 1 Msg set preset RocknRoll alg old null alg new fm_6band Work Load Algorithm Work Load Algorithm Work Load Algorithm Wor...

Страница 106: ...put level happens to fall below 37 5dBFS and remains there until the audio fail algorithm times out Audio Restoration Alarm Approximately five seconds after audio has been restored to levels above 37...

Страница 107: ...e Omnia label facing up and the version number sticker facing down The PC Card is keyed to prevent improper insertion Gently press the card into the slot until the black release button to the right of...

Страница 108: ...of the Omnia s DSP cards or one of the two DSP IC s on the card Cause One of the DSP cards or DSP chips may have failed Resolution Contact Telos Omnia Customer Support for assistance Host command bit...

Страница 109: ...LCD screens blank scrambled or not illuminated Symptoms like these might indicate a power supply problem If you wish to examine the power supply be aware that it is switching type and therefore requi...

Страница 110: ...el display shows the rotating Omnia logo and then stops This indicates a communications error between the front panel and the master motherboard CPU If the unit is properly passing audio it is likely...

Страница 111: ...come first served basis Your Omnia Customer Support engineer will assist you with the necessary arrangements Note To ensure prompt service the Return Authorization number must be written prominently...

Страница 112: ...Omnia 6 Omnia 6ex Use and Operation Manual V 1 10 112...

Страница 113: ...Omnia 6ex Use and Operation Manual V 1 10 113 Omnia 6ex Use and Operation Manual V 1 10 113...

Страница 114: ...audio into that funnel As the audio is funneled down to a smaller dynamic range different styles of processing are used to perform this The AGC section is part of the initial funneling process and it...

Страница 115: ...To improve high end consistency you can try increasing the drive to the upper two bands of the Multiband AGC section using the AGC Crossover XO controls while also decreasing the same upper two bands...

Страница 116: ...rt pre emphasis in our system Instead of inserting it before the multiband limiting section we do it after the limiters right before the clipper By doing this the system does not have to keep smashing...

Страница 117: ...w what the perception of that radio format might be Following is a glossary to each preset name and how it affects the processing RocknRoll This is the default preset We suggest starting here for most...

Страница 118: ...wer bass and high end while keeping the vocal range clean and full Hot This preset emulates the sound of the original Omnia FM with the Hot Plug In Jazz Jazz music is perceived to have a sound that de...

Страница 119: ...ectrum When ultimate moment to moment loudness is a must then adding some composite clipping to your preset will do the trick How much Well start off with no more than 0 5dB and work from there If too...

Страница 120: ...GCDrive RTPLevel Clipper Style Attack SL Limiter Release MH AGC Attack LookaheadLimiter Make UpGain Attack Release Limiter Drive GateThresh Release HoldThresh Density RTPSpeed Make UpGain Limit Thresh...

Страница 121: ...he folder on your PC where you downloaded the file 5 Select the omn6hd upd file and click the Open button A message box will appear detailing the process of downloading the file to the front panel The...

Страница 122: ...r copying distribution and modification follow GNU GENERAL PUBLIC LICENSE TERMS AND CONDITIONS FOR COPYING DISTRIBUTION AND MODIFICATION 0 This License applies to any program or other work which conta...

Страница 123: ...ho have received copies or rights from you under this License will not have their licenses terminated so long as such parties remain in full compliance 5 You are not required to accept this License si...

Страница 124: ...make it free software which everyone can redistribute and change under these terms To do so attach the following notices to the program It is safest to attach them to the start of each source file to...

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