I need to rip the audio from a xvid mpeg-4 file and AC3 DVM is the audio format. Usually, i use virtualdub to rip the audio from my avi files however virtualdub will not open the file. Then i used virtualdubmod but haven't used this program before so i'm not not actually sure how to rip the audio with it. Another problem is that when this avi file is placed in TMPGenc it starts its encoding but then comes up with the error message: "the error ocurred when ACM was initialized. HELP!!!!