Using Pinnacle Studio 8 (ATI version), came bundled with AIW 9000. Recording TV using the ATI software and then importing into Pinnacle for editing etc. Up to this point, all is well - all scenes play well, both video and audio. Making a movie (VCD, VHS, SVCD all tried) from the finished edit; after some time of playback, usually partway through a long scene, the sound disappears. It usually comes back when the next scene starts, but not always.

Any ideas on what could be causing this?