I have a Sony TRV11 DV hooked up to a G3 using iMovie. I am trying to import from a video recorded in 12-bit mode with audio dubbed in the second track. When I import from the Sony I cannot access the dubbed audio, only the original audio track. Any ideas? In the future I may have rely on iMovie for dubbing audio, however the program's audio editing is pretty limited. Unlike the Sony, iMovie doesn't allow you to listen to the DV audio track while dubbing in other audio. That makes it quite difficult to adjust sound levels.