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  1. 2nd Aug 2012 08:31 #1
    pxstein
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    Assume I have an *.avi or *.mp4 video.
    The video codec is Xvid or AVC/H.264
    The audio part something (unknown).

    I want to convert this video where the video part remains untouched while the audio part
    is converted to LameMP3 VBR stereo with average bitrate is 128 kbps and maximum bitrate is 160 kbps.

    How do I specify the corresponding cmdline command with ffmpeg?

    Peter
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  2. 2nd Aug 2012 08:56 #2
    Baldrick
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    Code:
    ffmpeg -i video.avi -vcodec copy -acodec libmp3lame -aq 5 newvideo.avi
    http://ffmpeg.org/trac/ffmpeg/wiki/Encoding%20VBR%20(Variable%20Bit%20Rate)%20mp3%20audio
    http://wiki.hydrogenaudio.org/index.php?title=LAME#VBR_.28variable_bitrate.29_settings
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