Evertz 7720AD8-DD-HD HD/SD-SDI Audio De-embedder & Dolby-E/AC-3 Decoder +3RU
Listed at $215.00 $194.00
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Fully Functional
Very Good
UPS Ground
2 - 5 days (most US locations)
UPS Expedited/Express
Cost varies (For International Locations)
Local pickup from store
Plus sales tax of 6% (PA State)

For sale is ONE (1) used 7720AD8-DD-HD de-embedder and dolby decoder in very good condition. Because we have a quantity of these, appearances may vary, but condition is guaranteed to be better or equal to pictured sample. Serial numbers are unique to each unit sold. They may be different from one depicted in the photos. If you are looking for any other Evertz modular cards - we probably have them. Thousands of cards available. Check out our inventory.

The 7720AD8-DD-HD Audio De-embedder and Dolby® Decoder & Reembedder extracts embedded audio from four specified groups as defined by ST 299-1 from a 1.5GB/s serial HDTV or as defined by SMPTE ST 272 from a 270MB/s serial SDTV video signal. One selected channel is processed by the on-card Dolby® Decoder. If the channel contains Dolby-E® or Dolby® Digital (AC-3), it will yield up to eight additional discrete audio channels, two channels of stereo downmix and the associated Dolby-E® Metadata. Up to 16 selected channels may be optionally delayed up to 1.2s and re-embedded into the output video and/or directed to AES outputs. Video output may be optionally delayed to help with lip sync. If PCM audio is embedded, the device acts as a simple four group audio de-embedder.

This device also handles the Dolby-E® Metadata. Metadata is optionally embedded in VANC and can be provided as an output for downstream devices (i.e. Dolby Encoders, Multichannel Audio Tool, etc.). Metadata can be monitored using VistaLINK® and dial norm parameters can be modified. For lip sync cohesion and ease of editing, Dolby-E® data is organized in blocks with lengths matching the associated video frame. The decoder will match the beginning of each output block with the start of video, as provided with the genlock input. Additional delay can be dialed up by the user, up to 1.2 secs. The eight AES inputs can be configured as a backup, in the event the primary is lost, or as a voice-over source.

  • Audio de-embedder and re-embedder for four groups of audio
  • Dolby E/AC-3™ decoding for selected audio source
  • Dolby Metadata is embedded in HD VANC for downstream device decoding
  • Eight AES inputs for backup, voice-over or Dolby E/AC-3™ content
  • Adjustable video delay to match Dolby® decoder audio delay
  • Automatic switchover to backup audio source on loss of selected Dolby stream
  • Headphone jack for monitoring stereo down-mix or any input source
  • Two full audio mixers with 16 output channels
  • Two processed HD outputs (one protected with bypass relay)
  • Eight AES de-embedded and processed outputs

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