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  1. I would like to know if there is a way to batch mux files with ffmpeg. I know how to batch convert video files using ffmpeg, by

    for %%a in ("*.avi") do ffmpeg -i "%%a" -video_parameters "%%~na.mp4"
    which correctly converts multiple files.

    I need to mux several audio files, basiclly 2 audio files into one audio file, and that process repeated several times.
    I know it can be done, but need help in getting this done.

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  2. Member
    Join Date
    Apr 2007
    Search Comp PM
    Not sure exactly what you wish to do. Need more info.
    2 audio tracks, different languages.
    Just audio muxed or added to an mp4 (avi, mkv, etc.)

    overlay the same track. Not sure why.
    for %%a in ("*.mp3") do ffmpeg -i "%%a" -i "%%a" "%%~na-new.mp3"
    Last edited by pcspeak; 3rd Jul 2012 at 08:07.
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