Lip Sync is slow

New Here ,
Apr 02, 2020 Apr 02, 2020

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It seems that the lip synch is a second or so behind the audio when I record a video or use CA with zoom. 

Any ideas how to fix this?

thank you

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Adobe Employee ,
Apr 02, 2020 Apr 02, 2020

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If you're using something like Wirecast/OBS, you can delay the audio so that it lines up with the lipsync. If you're not, the best thing you can do is reduce your audio buffer size in the Preferences.

In this attached screenshot, the default value is 512. This refers to the "chunks" of audio that the Lip Sync behavior analyzes to then show the mouth shapes. By lowering that value, the latency is reduced. On a 2018 Macbook Pro, I was actually able to use 16 samples and record it without issue. 
Screenshot 2020-04-02 12.57.33.png


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New Here ,
Apr 02, 2020 Apr 02, 2020

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Thank you. I am on widows and the lowest it will go it 30. It seems a tad bit better, but not perfect.

Thank you so much for the video how to make a zoom video. My students loved it!!

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Adobe Employee ,
Apr 02, 2020 Apr 02, 2020

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Since I've seen that this is a common question, I'll make a tutorial on using OBS. It's more complicated, but it does allow you to do this so your quality can be better.

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New Here ,
Apr 02, 2020 Apr 02, 2020

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I am not sure it is the NDI as even without zoom it is slow. But maybe the NDI is slowing it down.

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