>> 1. Dump DVD audio to HDD >> 2. mix *dvddumpaudio.wav* with *commnetary.wav* using some >> audio tool ( >> *sox* maybe ) >> 3. play DVD with mplayer -audiofile mixed.wav option >> >> You could also make new DVD with oryginal audio and added >> commentary >> mixed audio (2 audio tracks) - but that's an extra >> >> -- > > Ah thank you for the clarification. Making new files won't work, I really > need to play the mp3 and dvd alone (maybe with a small text controller > file). Won't work? No place to write it to, I suppose. It might be possible to do it on-the-fly through fifos. Greets, Kiste