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Section 6

Technical specifications

INPUTS

Stereo balanced XLR3

 connector, 600 ohms

Nominal level +4 dBu. Max level +24 dBu, Software adjusted 

Stereo balanced on RJ45

  (compatible StudioHUB)

Nominal level -10 dBu to +24 dBu, 600 ohms

Digital AES-3 

input transformer balanced

Nominal level -18 dBFS Adjust from -24 to 0 dBFS

Sample rate 44.1 KHz – 48 Khz - 96 KHz
Optional 

stereo AoIP 

for LAN Ethernet or Internet input

RF Input: Digital Receiver for FM Monitor and Audio Analyzer
VOICE/ MUSIC change: 

GPI

 = +5V ... +15V for VOICE preset (On-Air micro-

phones). Voice/Music switch received from console in AoIP models

OUTPUTS

Analog Balanced on XLR connector

+4 dBu; Z= 600, Max +18 dBu, Flat frequency response.
Analog unbalanced RJ45 output (compatible StudioHUB)

+4 dBu/600 ohms.
Digital AES-3 transformer balanced 0VU at -12 dBFS

MPX-1 & MPX-2 for FM transmitters (Normal & Emergency)

0 - 5,5 Vpp Independent level software controlled, Z=50 Ohms
Differential output, BNC connector, floating ground 50 ohms 

Allows 45 dB canceling buzz & noise due to ground loops

Protected for electrical storms 2 KV overload

Optional 

AoIP 

processed digital output in /AoIP models. It allows for di-

rect audio streaming or for AoIP connection between different Studios 

IN/OUT Control

 

Automatic fold-back to switch the input in case of absence of signal in 

the main input.

Frequency response

ANALOG BAL = 20 – 16 KHz +/- 0,3 dB

AES to AES = 20 – 16 KHz +/- 0,3 dB

Measured below compression & limiter threshold 

Harmonic distortion

ANALOG BAL = Below 0,005 % @ 1 KHz

AES to AES = Below 0,002 %

Dynamic Range

ANALOG BAL to ANALOG BAL = 95 dBA

AES to AES = 110 dBA

Stereo separation

> 80 dBA

Subsonic filter

Chebyshev 4th order, Selectable: OFF - 40 Hz

Asymmetry cancelling

5:1 cancelling reduction using Khann-Bonello method

Expander

Software controlled with user settings

Multiband compressors

From 4 to N bands depending of software version used 

Linear Phase crossover

Software adjustable automatic attack and release time 

Multiband compressors

From 5 to N bands, scalable by firmware.

Linear Phase crossover

Software adjustable automatic attack and release time 

EFFECTS

Super BASS effect and Stereo Enhancer is standard in all software versions

Linear limiters with predictive technology (Look Ahead) replaces the old clip-

per systems giving the audience a full clean sound

PROCESSING

#bands, #stages, features, etc are 100% dependent on software version

used. It can work in FM, AM, HD, TV & Streaming modes 

Standard 542APC works in five bands FM mode 0-50-75 uS

Latency (typical) 9 mS

POWER

115 V / 230 V (rear switch selected) 50/60 Hz, 20W

DIMENSIONS

19" rack mount. Module one (44,4 mm) // weight 3 Kg Net; (4 Kg for courier 

freight)

DSP STEREO CODER

DIMENSIONS

Two MPX outputs with individual remote level control by LAN or Internet 
Differential output, BNC connector, floating ground 50 ohms. Allows 45 dB 

canceling buzz & noise due to ground loops
Level of each output adjustable from 0 to 5,5 Vpp

FREQUENCY RESPONSE

20-15.000 +/- 0,2 dB,  plus 16 Khz/linear phase filter 
Attenuation at 19 Khz > 80 dB

THD

From 30-12.000 Hz, below 0,01 % Measured using Belar Digital Stereo de-

coder DSD-1A and Tektronix Spectrum Analyzer

S/N

Better than 85 dBA with reference to 100% modulation. Measured using Be-

lar Digital Stereo decoder model DSD-1A19" rack mount. Module one (44,4 

mm) // weight 3 Kg Net; (4 Kg for courier freight)

STEREO SEPARATION

>65 dB at 1 Khz

38 Khz SUPRESSION

Below -80 dB Ref 100% modulation

57, 76 & 95 Khz SUPRESSION

Below -80 dB Ref 100% modulation

PILOT TONE STABILITY

+/- 0,002 % (+/- 0,5 Hz)

Audio Processing Core -

 

SOLIDYNE 542

APC 

Page 43

Содержание 542 APC

Страница 1: ......

Страница 2: ...Page 2 Audio Processing Core SOLIDYNE 542APC...

Страница 3: ...Time Graph 19 3 4 3 SETUP mode 19 3 5 AUDIO INPUTS 19 3 5 1 GAIN 19 3 5 2 TRIM R 19 3 5 3 ST MONO 19 3 5 4 Main source and fold back 19 3 5 5 Pre filtering 20 3 6 AUDIO OUTPUTS 20 3 7 FM output MPX 2...

Страница 4: ...miter 36 4 7 3 MPX cliper 36 4 9 Manage the presets 36 4 8 1 Create a preset 36 4 9 2 Preset Manager 36 4 8 2 1 Export import presets 37 Section 5 Units with option AoIP streaming 39 5 1 Streaming for...

Страница 5: ...porates an FM tuner and a real time signal analysis stage that allows the user to monitor various aspects of the transmission and the processor itself modulation depth pilot tone level RDS and others...

Страница 6: ...Page 6 Audio Processing Core SOLIDYNE 542APC...

Страница 7: ...StudioHub c compatible and digital inputs AES3 and IP streaming optional To switch the input proceed as follows SET UP The analog inputs are set to operate at 18 dBfs with 4dBu nominal input level Wh...

Страница 8: ...receiving antenna CALIBRATION TONES Using a computer on the same LAN that the 542APC run a WEB browser preferred Google Chrome and enter the IP showed in the display to access to the 542 s WEB pages S...

Страница 9: ...Bright Bass Compression Density Loudness WIZARD also allows to enable disable and change the intensity of the ENHANCERS stages Parametric EQ Bass enhancer Stereo enhancer Remote technical assistance...

Страница 10: ...Page 10 Audio Processing Core SOLIDYNE 542APC...

Страница 11: ...de information for proper grounding 2 2 REAR PANEL Figure 1 Rear Panel 2 2 1 Analog audio connections 2 2 1 1 XLR inputs and outputs 542APC has one balanced stereo input 5 and one bal anced stereo out...

Страница 12: ...ION 5 Models with the optional AoIP 2 3 MPX outputs The 542APC features dual MPX output 12 with indepen dent level adjustment The output connectors are BNC type 75 ohm coaxial ca ble RG59 standard on...

Страница 13: ...816 mixing consoles UNIDEX series 2600 Series or the link Solidyne ADA102 For other consoles the con trol can be solved using a data relay Relay of the link Study to Transmitting Plant 2 7 Updates and...

Страница 14: ...han 2 seconds WARNING DO NOT turn off or disconnect the processor from the LAN during this operation It can cause damage non reparable by the user WARNING AVOID TO UPDATE THE FIRMWARE USING WI FI NETW...

Страница 15: ...t to a local network the Web Control Panel are accessible from a computer by enter ing the processor s IP address in a web browser c Lite Commander It is an application that runs on a computer and acc...

Страница 16: ...o processed de em phasized To choose an audio source push the wheel and ro tate to navigate the options Push again to confirm To leave the screen HEADPHONES press and hold the wheel until see a menu w...

Страница 17: ...sate for example a low level telephone communi cation This is achieved with the quick window settings as if the overall WB AGC times are very fast it will cause con stant and audible level fluctuation...

Страница 18: ...re leasing the compression threshold of the LOW band and adjusting the limiter clipper of that band to almost 100 0 25dB XtendedBass uses the SuperBass stage to extend and reinforce low frequencies in...

Страница 19: ...n all screen modes both in the MONITORING screen and in the SETUP screen It contents the following indicators Signal level on the active input RMS and peak in dBFS Processing meters status of the Enha...

Страница 20: ...lick on the main menu the option AUDIO INPUT Each input has the following controls 3 5 1 GAIN Adjusts the level of the input signal in a range of 14 dB For the analog inputs the zero value corresponds...

Страница 21: ...evel and d emphasis compensation 1 XLR analog output 2 RJ45 analog output 3 AES 3 digital output 4 Streaming over Ethernet optional in AoIP models Figure 18 Outputs 3 7 FM output MPX 542 APC includes...

Страница 22: ...carrier is continuously modulated around 100 The BS 412 sets a maximum allowed value for the power in MPX in order to reduce the density of the modulating signal but maintaining the maximum modulation...

Страница 23: ...sets eliminates compromises as each preset will be optimal for that type of music or voice This also reduces the auditory fatigue associated with radio stations that use rigid processors without compu...

Страница 24: ...the preset for VOICES which will have the MONO flag active To know how to switch the preset by GPI see section 2 6 GPI Manual switching from a computer using the Lite Commander application requires re...

Страница 25: ...reception quality of RDS data A value of 0 indicates that no errors were detected and 100 indicates that it is not possible to decode the RDS data RDS DATA Displays texts transmitted by RDS Figure 29...

Страница 26: ...to the previ ously tuned station 3 10 1 RDS basic settings The configuration and control of the RDS is carried out by IP through the ETHERNET port of the 542APC see 11 in Figure 1 The basic RDS parame...

Страница 27: ...ences choose the tab General 4 Change Connection type to Ethernet TCP IP 5 In the field Port enter the TCP value that was de fined at the 542APC Default is 9762 The TCP for 542APC is set using the Con...

Страница 28: ...e left menu slides up automatically when the mouse is over ENABLE TOOLTIPS Enables pop up balloons with indica tions that appear over some meters 3 11 4 NETWORK Network settings By default the 542PAPC...

Страница 29: ...to power cut System Errors For internal use Only system events are logged in the SYSLOG 3 12 2 Status and Logs SYSTEM TIME When the computer is connected to a LAN with Internet access the computer kee...

Страница 30: ...Page 30 Audio Processing Core SOLIDYNE 542APC...

Страница 31: ...ys start from the preset that is closest to the desired characteristics For example if you are looking for a high loudness pro cessing it is not a good idea to start with a soft preset SOFT PROCESS an...

Страница 32: ...nge of frequencies of the processed signal that is added Intensity The level of the processed signal added to the dry signal When using preset switching for voices it is recom mended that the presets...

Страница 33: ...in that music that is character ized by great changes between pianos and forts That is to say if after a strong passage there is a subtle input of an instrument the AGC will be frozen in its previous...

Страница 34: ...he compressor of that band works in excess or increase it to reach the compres sion threshold For this the MB AGC defines a target level for each band and compensates the gains for the signal to remai...

Страница 35: ...ua tion based on the compression ratio Lowering the threshold increases the compression but de creases the energy in the band as the compressor attenu ates more signal peaks To compensate the attenuat...

Страница 36: ...the attack time the limiter does not actuate and lets the peaks of the signal pass to the clippers which will contain them with soft clipping Very fast attack times minimize clipping but very fast at...

Страница 37: ...5 to 1dB are tolerable for most cases Values greater than 1dB can be used but produce a harsher sound which some refer to as FM sound FM style Use this tech nique only if it is necessary to achieve hi...

Страница 38: ...Export import presets To export a preset proceed as follows Select in the list the preset to be exported Press the EXPORT button Download The preset will be exported to a file named pre set_name 542...

Страница 39: ...ctions diagram Figure 41 Basic diagram for streaming connection 5 1 2 Streaming settings Step 1 Connect the ETHERNET AoIP 15 port to the network us ing a CAT5 UTP cable To configure the streaming op t...

Страница 40: ...field Input Output audio level Real level of audio signals in dB Remote inputs Status of control signals of remote unit studio When a line is active the corresponding box will light green Relay 1 4 W...

Страница 41: ...define the behavior of the GPIO 5 1 7 About audio formats 542APC AoIP supports the following audio streams MPEG1 MPEG2 only half duplex PCM MSB LSB first The CODEC used is defined in the encoder hard...

Страница 42: ...Page 42 Audio Processing Core SOLIDYNE 542APC...

Страница 43: ...Asymmetry cancelling 5 1 cancelling reduction using Khann Bonello method Expander Software controlled with user settings Multiband compressors From 4 to N bands depending of software version used Line...

Страница 44: ...tures include dynamic PS parsing scrolling fixed messages scheduling and reading from HTTP DATA PORT SPEED 2400 9600 BPS SUPPORTED SERVICES PI Program Identification M S Music Speech PS Program Servic...

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