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Old 27-11-2011, 15:27   #6101
nstokes
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Re: General TiVo Discussion Part 2

Quote:
Originally Posted by zekeisaszekedoes View Post
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!

Ouch that is big. At least TIVo will be able to do MPEG 4 and if/when it does that will mean recording capacity will go up as well i assume, so win win all round

---------- Post added at 14:27 ---------- Previous post was at 14:26 ----------

Quote:
Originally Posted by muppetman11 View Post
No difference really , Mpeg4 is more compressed. A TIVO 1TB box recording HD can do 120 hrs as opposed to a Sky+HD 1TB box which can record 240hrs HD so there are advantages for the customer also.
true point but as my post above hopefully if/when does go to MPEG 4 TIVO will have more recording hours
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