Originally posted by: Citizen
I don't know why there's a difference between NTSC & PAL captures (how the DV is compressed? I never really looked into it that deeply.)

PAL DV is 4:2:0 and NTSC DV is 4:1:1. DVD is 4:2:0 in both systems (at least I'm very sure it is).

You can read up on chroma subsampling differences here: http://www.mir.com/DMG/chroma.html

Edit: Damn you, Laserman! Don't you ever go to sleep and let any of the rest of us get to a technical answer first?!? As usual, you've covered more than what just about any other human alive could rattle off on the fly...