Decklink SDI Audio Drops

tobisk

New Member
I am using OBS on a Linux machine (tested it with Windows as well) for outputting Media in Key/Fill mode (usually mostly Text Sources, Lower Thirds). However sometimes I need to play audio from OBS (e.g. a "Stream is starting" page or an intro-jingle etc.) The problem is that when there wasn't anything playing before (e.g. the source was muted or not in the active scene) the audio doesn't start immediately (probably a sync/ lock issue).

I assume that OBS stops the audio stream for the Decklink output when there is no audio playing (instead of sending a silent audio signal which would help keeping the sync). Is there any way to fix this problem? I have tried adding a second source which is just static noise and it kind of fixed the problem, but that obviously adds noise to the signal.
 
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