[FFmpeg-user] overlay audio channels

Nicolas George nicolas.george at normalesup.org
Fri Aug 3 18:53:00 CEST 2012

Le septidi 17 thermidor, an CCXX, Kosta Vlotis a écrit :
> i have a question i know is a bit strange.
> i was wondering if it's possible to overlay 2 audio channels in the
> same video with ffmpeg.
> Example: videoX has left audio channel: X and right audio channel: Y
> i would like to make it so that it looks like: left audio channel=xy
> and right audio channel=xy

You can do exactly that with the pan audio filter. There are examples in the


  Nicolas George
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