I have had trouble with the audio when burning a DVD from a mini-DV tape edited in imovie3 on a G4 Powerbook. The edited footage runs perfectly when previewed in iDVD but when the disc is burned the audio embedded in the video clips has repeated short breaks and by the end of the movie (39 minutes) is out of synch. The added audio tracks are fine. The camera (Sony TRV950) audio mode was set to 12 bit. Could that be the problem? Any help or advice would be very welcome. It's driving me nuts!