I used kmttg to extract episode of the Winter Olympics from my TiVo to my Mac. After the default transfer, decryption, and transcoding (all default settings) I'm left with a 7 hour, 30 GB MPG file.

I have a two-file MPG movie here that I want to author to DVD. The right-channel audio is in sync with the video, but the left-channel audio is a constant ~700 ms behind sync. What's the best way to ...