I have some material pulled from a DVD that was native 23.976fps on the disc. I converted this to 720x480 23.976fps DV-encoded AVI files. These look fine. I am trying to then convert it to MPEG-4 encoded Quicktimes, also at 720x480. I do the conversion right in Quicktime Pro Player's export function. I set the output file to 720x480 and also 23.976 framerate. Yet the resulting files seem to have interlacing artifacts (comb effect) during high-motion portions. Why would this be if we stayed 23.976 from start to finish??
Well the only reason I was exporting to DV-AVI's as a midpoint and then to Quicktime through the Quicktime Player's export function, was because Sony Vegas seems to exclude MPEG-4 audio as an available audio codec in its Quicktime export.
Can I make uncompressed 23.976 AVIs as a midpoint and likely avoid the comb-effect issue I was experiencing when I finally went to Quicktime?