hey guys, I'm having problems when converting an xvid avi file to dvd format. When i convert i use a bitrate calculator to determine the highest bitrate at which to encode, and then i encode the video separate from the audio (using 3:2 pulldown when playback). Any ways my problem is this, after converting from xvid to dvd the video becomes progressively choppier over time. It starts with little blips at the beginning of the movie and then near the end its completely noticeable. I dont knw what to. Are there some settings that i should change or something. I know its not the file because this problem happens with any video that i try to encode. I need help, please post some suggestions!

thnx