Posted by John Howells on 09/10/06 13:24

"EDM" <EDM_spamblock_@rsii.net> wrote

> Length is irrelevant to video quality. What matters is bitrate.
> 8Mbit CBR (or even VBR) should be enough for excellent
> quality broadcast transfers, and ~2 hours will fit on a standard
> 4.7GHz recordable DVD.

Do the maths.

4.7*1000*1000*1000 / 1000000 / 60
capacity in bytes / speed in Mbytes per sec / seconds per minute

At 8Mb/s the maximum recording time on a standard single layer DVD is about
75 minutes. For 2 hours the bit rate needs to be about 5Mb/s.

John Howells

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