--- In logic-users@yahoogroups.com, David Lewis <reelmusicboston@...> wrote: > > >Now I'm on 7.1 on Imac G5 20" with 1,5 Gig inside > > scoring even a tinyclip like a tv ad bumper is virtually impossible > > with a QT video windowopen. > > It also makes a big difference what codec the video is > compressed with. Sorenson, for example, takes a lot of > your CPU to run. Try expoerting it from QT Player as > DV. Even though it's much bigger, it will play back > with less strain. I was suspecting something like this. I think I'll delve more into QT formats to find the most efficient one and do some conversions myself. This movie clip is 120 MB and only 6 sec long. Seems a bit of a waste of resources. Herbert