Apple Final Cut Pro: Color Compression, Chroma-key and DV

Chapter: Color Correction

Topic: Technical Details

The reason is that while DV footage looks great, one of the reasons the files are so small is that the chroma information is significantly compressed.

http://www.larryjordan.biz/articles/lj_compress.html

TAGS: YUV, 4:1:1, 4:2:2, 5:1, compressed