This is a rather ugly solution, and I would far rather fix the sync in the output of OBS Studio in the first place. I also found if I bring audio in from a digital sound mixer over USB, the difference is only about 600ms, and I'm not really surprised that the USB audio is faster than the SDI capture, but it's not really helping my situation.Ī workaround I can do is output via NDI, open a second instance of OBS, create a scene with 2x the NDI Source, use the audio off one, and Video Delay the other as appropriate. Since I am using PTZ cameras, I can't just delay the video input as then OBS is useless for live camera tracking. The video is about 900ms ahead of the audio, so I have to delay the video, which isn't as easy as delaying the audio would be. When I output via either the Decklink, NDI, or HDMI, there is a massive difference between the audio and video. In OBS the video and audio look to be in sync. In the video surface editor, click on the + button on the left side of the window, and select Syphon from the bottom of the list. I am capturing SDI sources in using a BlackMagic Decklink Duo 2. Then, go to Workspace Settings Video and click on the Edit button next to the first video surface that you want to stream. Hi, I'm quite confused why this is the case, so perhaps someone can clear this up for me.
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