[vorbis] Video codec

[Tom Bishop]

> I think if we want to compete based on compression ratio, then we should
> somehow get at 0.1 bits per pixel or below. A CDROM is approx
> 650x8=5.2Gbits, so for an hour of video you have 5200/3600=1.44Mbits/s,
> which would dictate a compression to below approx (1.44/10.3)=0.14 bits
> per pixel if there is to be any room left for audio etc.

Tivo and Replay TV encode MPEG at about 1 Gigabyte / hour record time
(extended play mode).

This extended play suffers badly with action.... the MPEG effects were not
that noticable on a 27" tube, but when played on a 43" projection system
suffers very noticably.

Regards,
Tom

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