[FFmpeg-user] fixing audio sync on mp4

[Ricardo Kleemann]

Thanks

> On Aug 9, 2015, at 7:18 PM, Quinn Wood <mtcjayne at gmail.com> wrote:
> 
> Alternatively you can edit the file in one operation if the desync can be
> fixed by adjusting the delay.
> 
> *ffmpeg -i original.avi -itsoffset 0.2 -i original.avi -map 0:0 -map 1:1
> -acodec copy -vcodec copy **synced.avi*
> 

I can try. The problem it’s not a fixed delay, the audio drifts.

> http://alien.slackbook.org/blog/fixing-audio-sync-with-ffmpeg/
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