DRS Analog Audio

project posted:

PESA offers two connector choices in dedicated input or dedicated output frames for balanced analog audio signals. Each frame provides 128 analog audio channels through either ELCO block style connectors or 6-pin pluggable style connectors. Input analog audio signals are converted and routed through DRS in the same digital format as AES signals – and may be selected as a source for analog or AES output channels. Any DRS input signal, whether digital or analog, may be selected for output as an analog signal. Selected signals, regardless of input signal format, are converted to analog format through the analog output frame. Each frame provides two power supply module slots. One power supply is required for frame operation; a second power supply may be added for power redundancy.

Split I/O signal frames for balanced analog audio are available with two connector style choices. Each frame provides 64 analog audio input channels and 64 analog audio output channels through either ELCO block style connectors or 6-pin pluggable style connectors. The entire 128 audio channel capacity of the frame is filled with the combination of input and output signals. Input analog audio signals are converted and routed through DRS in the same digital format as AES signals – and may be selected as a source for analog or AES output channels. Any DRS input signal, whether digital or analog, may be selected for output as an analog signal. Selected signals, regardless of input signal format, are converted to analog format through the analog output frame. Each frame provides two power supply module slots. One power supply is required for frame operation; a second power supply
may be added for power redundancy.

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FEATURES

  • Distributed routing between signal frames
  • Simplified wiring schemes and cabling requirements
  • 128 I/O signals in a 1 RU frame
  • Choice of external signal connector types
  • Scalable from 64X64 up to 2048X2048
  • In-field expansion capability
  • Signal transport via Gig-E Ethernet
  • Full Dolby-E support
  • Allows simultaneous routing of AES and analog audio, embedded, MADI and time code signals
  • Allows mix of synchronous and asynchronous signals
  • Digital signal processing (DSP) on all audio input and output signals
    • Gain adjustment
    • Delay
    • L/R Summing
    • L/R Swapping
    • AES pair breakaway
  • Internal signal generator can insert a test signal into any audio output channel you select from the following
    available test signals:

    • Audio silence
    • Steady and sweep test tones
    • White noise
    • Pink noise

SPECIFICATIONS

Inputs / Outputs
Connector Types 6 Pin Detatchable: teo balanced signals per connector
ELCO/EDAC 120: 32 balanced signals per connector
Input Level 0 dBFS (full scale digital) = +24 dBu, +18 dBu or +12 dBu, GUI selectable
Input Impedance 20 K Ohms, Balanced
Common Mode Rejection >74 dB minimum, >90 dB typical (20Hz – 20kHz)
Output Level 0 dBFS = +24 dBu, +18 dBu or +12 dBu, GUI selectable, A/D, D/A
Output Impedance 130 Ohms, Balanced
Resolution 24 bits/sample, 96kHz sample rate
Frequency Response +/- 0.1 dB (20Hz – 20kHz)
THD+N <0.02% @ 1kHz, +20 dBu
Crosstalk <-95 dB
Dynamic Range 95 dB
Digital Signal Processing
Gain Adjustment Independent +/- 6 dB adjustment in 0.1 dB increments for each input and output, GUI selectable
Audio Delay Independent delay elements for inputs and outputs. Unrestricted mode provides 0.341 milliseconds (>10 NTSC frames) for each input and output. Restricted mode provides up to 1.365 seconds (>40 NTSC frames) of delay per input and output for a limited number of channels. All delay parameters are GUI selectable
Phase/Inversion Independent Control for each input and output, GUI selectable
Stereo Remedies Independent Control for each pair of inputs and outputs. The L and R channels of each pair may
be individually set to L, R, L+R or L-R. All stereo remedies are GUI selectable.
Environmental/Miscellaneous
AC Input Connectors IEC 320C6 socket power (accepts IEC 320 C5 line cord)
Requirement 60VA Max per frame
Input Voltage 90-260 VAC, 47-63 Hz
Operational Temperature 0-40 degrees C
Operational Humidity 90% non-condensing
Mechanical Dimensions 1RU 1.75″ H x 19.00″ W x 14.75″ D
Weight 12 lbs.
DRS-FRM-IAA-W 6-Pin Pluggable, Analog Audio Input
DRS-FRM-OAA-W 6-Pin Pluggable, Analog Audio Output
DRS-FRM-64-IOAA-W 6-Pin Pluggable, Analog Audio Input/Output
DRS-FRM-IAA-ELCO ELCO, Analog Audio Input
DRS-FRM-OAA-ELCO ELCO, Analog Audio Output
DRS-FRM-64-IOAA-ELCO ELCO, Analog Audio Input/Output

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