Originally Posted by Robbie

I'm not sure if "cropping" is the right word, as I don't see anything missing. What I mean is if I crop a picture I remove some of it. When I encode the 720 x 480 AVI over to a 640 X 480 .mp4 using h264 compresson it doesn't crop anything off...it just seems to change the aspect slightly, and makes it look "correct" My understanding is that is simply the change in pixel shape which accounts for the difference of 80 pixels in width for the entire movie. I hope that makes sense, because I know I'm not communicating this in the correct technical terminology.