Quote:
Originally Posted by Cherry7
WOW HD using a third of the data rate of a DVD ! Either that codex is AMAZING or you are wrong.....
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MPEG4, especially when made with H.264, shows the same quality as MPEG2 at about a third or so of the bitrate. Quoting from the
Apple web site,
Quote:
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H.264 delivers the same quality as MPEG-2 at a third to a half the data rate, while providing up to four times the resolution of MPEG-4 Part 2 at the same data rate.
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Even with that, though, a 720p file has roughly 3 times the pixels of an NTSC DVD file. Apple's 720p trailers are usually 5000-6000, for example.