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Originally Posted by Tristan
MPEG4. It's a better compression scheme, along the lines of DivX or WMV. It means that you can send an HD picture using the same bandwidth (and disk space, as the Digital Spy idiots seem to be forgetting) as an MPEG2 encoded SD picture.
Interestingly however, Telewest's PVR -- if they're going to go ahead with it still -- is HD capable, but only using MPEG2.
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Your calculation is a bit off. You have to compare a HD picture transmitted using MPEG2. HD transmission in MPEG2 needs to be 12 -14 Mb/s and in MPEG4 about 6 - 8 Mb/s, where as SD MPEG2 would be 2 - 6 Mb/s and so in MPEG4 about 1.5 - 3 Mb/s.
Still nice to see a PVR from NTL
