[FFmpeg-user] Can I add audio to avi with audio

Peter B. pb at das-werkstatt.com
Fri Nov 25 15:45:16 CET 2011

bartoszx wrote:
> Can I add audio to file which already has audio. I have avi with couple of sound fx and now I want to add loop in the background.
> I've tried ffmpeg -i loop.mp3 -i test.avi -acodec copy -vcodec copy out.avi
> it adds loop instead existing audio in test.avi
For what you are trying to do, you will need to mix the audio in an
editing application and then bounce it as one audio track into the final


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