video file size

[Caleb Marcus]

On Mon, 2007-12-17 at 19:33 -0500, jack wrote:

> I have an avi that is 695Mb and (according to the dvd burner software)
> will occupy 47% of a 4,7Gb dvd.
> I have another avi that is 698Mb and (according to the dvd burner
> software) will occupy 110% of a 4.7Gb dvd.
> 
> Is this possible? I really don't get it. Anyone know why this could be
> true ?
> 
> 

It may have something to do with the conversion to the MPEG-2 DVD
format. Depending on the codec used in the AVI file, you may have to use
a much higher bitrate with the MPEG-2 encoding, especially considering
it'll be transcoded, to get the same quality on the DVD. This may be why
it takes so much more space when converted to DVD format.
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