(FIY) " -oac copy mplayer movie.avi -dumpaudio -dumpfile audio.ac3 a52dec -o wav audio.ac3 > audio.wav oggenc -b 128 audio.wav or lame... etc... " remember this ? the audio sync is wrong with it... but instead of copy, if i do this: -oac mp3lame -lameopts mode=2:cbr:br=128:vol=0 it works... even for files over 2Go and movies > 90 minutes...