Recording multiple audio tracks from a single SRT input

jjccc

New Member
I have the following use case in OBS:

As audio and video input, I receive a single SRT signal that contains two audio tracks (each in a different language).
I use the replay buffer to save small fragments of the signal in mkv or mp4 format.

I need the resulting mkv or mp4 file to include both audio tracks.

My problem is that now two audio tracks are recorded, but in both, the audio that OBS has selected by default is saved.

Is there a way to select the default track that OBS plays? (right now, I have to turn the signal off and on until it switches from one track to the other)

How can I make sure that both tracks are saved with the correct audio?

Thank you.
 
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