How do you switch a live event when video is delayed and audio is out of sync?

twalp

New Member
I have set up a two-camera (NDI, PTZ) system. A separate EasyWorship PC is configured as another NDI source.

With an appropriate delay in Advanced Audio settings, audio is in sync with video when recorded and streamed.

HOWEVER… the OBS operator sees video that’s delayed and hears audio out of sync with delayed video.
  • If you’re using the PC’s headphone-out and monitoring is enabled in OBS’ Advanced Audio setting, audio is out of sync with the video.
  • If you’re using an external USB audio interface and monitoring from it, the audio is out of sync with the video.

OBS’ Studio view, with its Preview monitor and Live monitor, gives the impression that you can switch among those sources during a live event, as you would with conventional cameras and switcher. How do you do this when video is delayed and audio is out of sync with the video?
 
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