Leitch DPS-475 - Appendix E: Digiduplex Mode; What Is Digiduplex; Controlling the Digiduplex Signal Path

Appendix E
APPENDIX E: DIGIDUPLEX MODE
What Is DigiDuplex?
The exclusive DigiDuplex™ mode of the DPS-475 and DPS-575 provides bi-
directional connectivity between analog and digital devices.
In DigiDuplex mode, the unit's SDI video input is routed to all analog video outputs,
while the selected analog video input is simultaneously synchronized and sent to the
SDI output.
With audio-equipped units, conversion between digital and analog audio is handled in
similar fashion, simultaneously with the video. Either the AES/EBU or SDI audio
input is transcoded to the analog audio outputs (and, if desired, the AES/EBU
outputs), while a separately selected audio input (analog, AES/EBU, SDI, Test Tones,
or Mute) is synchronized and sent to the digital audio outputs (SDI Embedded and/or
AES/EBU).
DigiDuplex mode is enabled and disabled with the DigiDuplex Mode option of the
Video Setup menu.
DigiDuplex mode cannot be enabled when the Dolby-E (Data) Mode is enabled in the
Audio Setup menu. If DigiDuplex mode is already enabled, it will be automatically
disabled if Dolby-E (Data) Mode is then turned on in the Audio Setup menu.
Controlling the DigiDuplex Signal Path
The signal path in DigiDuplex mode can best be visualized through flow diagrams.
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