Problem exporting a mixture of PAL and ProRes 422 in FCP I have a FCP sequence made of a mixture of ProRes 422 and PAL clips. As soon as I export it using "QuickTime Movie" (Apple ProRes 422 PAL 48KHz option), the quality of the ProRes clips is superb, but the PAL section look horrible (they look fine in the timeline). The same happens for the transitions effects, even if the transitions are between two ProRes clips. During the transitions, the quality of the exported movie drops dramatically.

What could be the issue?
I've never encountered this problem, so unfortunately I can't give you advice on how to fix it. However, next time, I would suggest that you convert all your footage to the same format before you begin editing. Prores 422 is a great editing codec.

Go to this website and download MPEG Streamclip. It's a free program that converts your footage to different codecs. Much better than Compressor IMO.

I usually convert all my footage to Apple Prores 422 (HQ) and then, upon completion, export a Quicktime H.264.