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Control Systems : Machine Controllers and Synchronizers : Grass Valley - FRS-3901
Grass Valley - FRS-3901
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3G/HD/SD Frame Synchronizer with Embedded Audio Processor

Model: FRS-3901

  • 3G/HD/SD frame synchronizer, delay and line sync
  • Supports 3 Gb/s level A (mapping 1) and level B
  • Flexible HD/SD/URS reference input
  • Video delay up to 15 frames
  • Audio/video de-glitcher to handle video hot switch at the input
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The FRS-3901 is a highly integrated module which offers frame synchronization and video/audio processing, including color correction and delay, for 3G, HD and SD signals in 3G/HD/SD hybrid plants. The FRS-3901 features an advanced embedded audio processor which can simultaneously process up to 32 channels of audio (16 channels of embedded audio from the video plus others generated internally). Functions include downmixing, proc amp, channel shuffling and mixing. Options include automatic loudness control (ALC), dynamic processing (limiter, compressor and expander) and loudness measurement.
  • 3G/HD/SD frame synchronizer, delay and line sync
  • Supports 3 Gb/s level A (mapping 1) and level B
  • Flexible HD/SD/URS reference input
  • Video delay up to 15 frames
  • Audio/video de-glitcher to handle video hot switch at the input
  • Automatic detection of input video loss and switchover to local grey for continuity of embedded audio
  • Built-in proc amp with YUV/RGB color correction
  • Bypass relay with FRS-3901-3SRP-R rear module
  • Optional optical fiber module I/O with FRS-3901-3SRP-F rear
  • Compatible with iControl end-to-end A/V fingerprint analyzer for lip sync error detection and measurement
  • AFD (SMPTE-2016), VLI (RP-186) and WSS insertion
  • Audio metadata insertion and extraction (SMPTE 2020-A)
  • RS-422 serial data input and output to carry audio metadata
  • Full audio shuffling and mixing on a channel basis
  • 32 channels internal audio processing
  • Audio 5.1 surround downmix to Lt/Rt or Lo/Ro
  • Optional on-board automatic loudness control with Grass Valley Wideband processing
  • Optional loudness measurement of up to 4 audio programs and logging with iControl
  • Loudness compliant to EBU R128-2014, ATSC A/85:2013 (FCC CALM compliant) and ARIB TR-B32 (ITU-R BS.1770-3)
  • Audio dynamic processor option (compressor/limiter/expander)
 
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