It's jsut with only 25 GB for single layer discs, MPEG-2 is not a good choice because of the bitrates they must use to achieve 25 GB. With dual layer 50 GB discs, MPEG-2 is just fine, but MPEG-4 and VC-1 can be done at smaller bitrates allowing more room for extra features, while not sacrificing picture quality at all.
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Andy @ Oct 25th 2006 12:57PM
It's jsut with only 25 GB for single layer discs, MPEG-2 is not a good choice because of the bitrates they must use to achieve 25 GB. With dual layer 50 GB discs, MPEG-2 is just fine, but MPEG-4 and VC-1 can be done at smaller bitrates allowing more room for extra features, while not sacrificing picture quality at all.