Thread: TiVo General TiVo Discussion Part 2
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Old 27-11-2011, 15:22   #6099
zekeisaszekedoes
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Re: General TiVo Discussion Part 2
Quote:
Originally Posted by nstokes View Post
is Mpeg 2 better than Mpeg 4
No, it's an older standard. Good for the time, but deprecated now.

MPEG-4 offers superior compression for the same bitrates, and that compression has variable macroblocking (MPEG-2 is fixed at 8x8) so any aliasing will be much less obvious due to this and some other techniques such as CABLC which increase efficiency.

For quick reference, MPEG-2 is used on DVDs and MPEG-4 on Blu-ray. Basically if all Blu-ray content were encoded in MPEG-2 at roughly the same quality settings the files would be roughly four or five times the size!
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