mpegdemux -d -s 0xc0-0xdf -b audio_##.mpa source.mpg
mpeg-file scannen damit die hex ids der streams sichtbar werden:
mpegdemux -c
===== wav in mp3 umwandeln =====
lame -h sample.wav sample.mp3
===== merge .vob-files in mpeg-video =====
cat VTS_05_1.VOB VTS_05_2.VOB VTS_05_3.VOB VTS_05_4.VOB > mergedmovie.mpg