Miranda EAP-3901 3G/HD/SD embedded audio & metadata processor

Miranda EAP-3901 3G/HD/SD embedded audio and metadata processor - EAP-3901

Key Features

• 3G/HD/SD input


• Supports 3Gb/s level A (mapping 1) and level B


• 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


• Flexible HD/SD/URS reference input


• Minimum processing delay of 8 µs, but additional delay can be added up to 15 frames


• Bypass relay with EAP-3N01-3SRP-R rear module


• Compatible with iControl end-to-end A/V fingerprint analyzer for lip sync error detection and measurement


• Optional optical fiber IO module with EAP-3N01-3SRP-F rear module

• 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


• 3 GPI I/O that can be inserted or extracted in the timecode user bits, they can also be used for automation, user preset recall and loudness reset

• Full audio shuffling and mixing on a channel basis


• 32 channels internal audio processing


• Automation capabilities based on audio signal type detection


• Audio 5.1 surround downmix to Lt/Rt or Lo/Ro


• Audio dynamic processor option (compressor/limiter/expander)


• 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 delay adjustments of up to 2 seconds to compensate for lip sync issues


• On-board socket for 1 optional module expansion:
  
  
  
  • Dolby E and Dolby Digital decoder
  
  
  • Dolby Digital and Dolby Digital Plus encoder
  
  
  • Dolby E encoder
  
  
  • Linear Acoustic upMAX
  
  
  • Linear Acoustic AEROMAX automatic loudness control
  
  
  
  

Specifications

• Signal (1): SMPTE-259M-C (270 Mb/s),


• SMPTE-292M (1.485, 1.485/1.001 Gb/s),


• SMPTE-424M (2.970, 2.970/1.001Gb/s)


• Supported formats:
  
  
  
  • SD: 480i59.94, 576i50
  
  
  • HD: SMPTE-274M: 1080i59.94, 1080i50
  
  
  • HD: SMPTE-296M: 720p59.94, 720p50
  
  
  • 3G: SMPTE-425M level A (mapping 1), level B: 1080p59.94, 1080p50
  
  
  
  


• Cable length*:
  
  
  
  
  • 300m (984 ft.) Belden 1694A at 270 Mb/s
  
  
  • 150m (492 ft.) Belden 1694A at 1.485 Gb/s
  
  
  • 120m (393 ft.) Belden 1694A at 2.970 Gb/s
  
  
  
  


• Return loss *:>15 dB up to 3 GHz


• Jitter:
  
  
  
  
  • HD/SD: <0.2 UI
  
  
  • 3G: <0.3 UI
  
  
  
  

• Signal:
  
  
  
  
  • SMPTE 170M/SMPTE 318M/ITU 624-4 blackburst
  
  
  • SMPTE 274M / SMPTE 296M tri-level sync
  
  
  
  


• Return loss: >35 dB up to 5.75 MHz

• Signal (3): Contact closure to ground


• Connector: RJ45


• Direction: Bidirectional (application specific)

• Signal (2): RS-422


• Input level: 300 mVp-p (min)


• Output level: 3 Vp-p (min)


• Rate: 115,200 Bd

• Signal path: 10 bits


• Processing delay (HD): 8 μs (in minimum delay mode)


• Additional delay: Up to 15 frames upon user selection

• Quantization: 24 bits


• Sampling: 48 kHz, synchronous


• Audio latency: 2 to 6 ms in minimum processing delay depending on processing options


• Audio delay: Up to 2s (1 ms steps)

• Power: 12.5W


• * Cable length and return loss specifications will be reduced when using the output protected by the bypass relay on EAP-3901-3SRP-R rear. Refer to the manual for more details.

Diagram