[mythtv-users] video compression question
Jarod C. Wilson
jcw at wilsonet.com
Fri Feb 20 15:35:55 EST 2004
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On Friday 20 February 2004 12:11, Chris Petersen wrote:
> > Isn't 5400kbps a little overkill for MPEG-4?
> No clue. I just turned it up as high as I could with all of the
> "quality" settings enabled, too. My cable signal isn't the greatest, so
> I figured it'd help keep codec-created noise at a minimum.
> At least, I think that's how high it is. Yeah, 4500-5500 depending on
> the profile.
> Anyway, I'm really just curious whether higher-bitrate with lower-res
> makes a difference vs higher-res + lower-bitrate -> resize to lower-res.
For mpeg4, 4500-5500kbps is definitely overkill. Most mpeg4 DVD rips look
pretty much visually identical to the original at 3000kbps (or even less, but
I rip at 3000kbps to err on the side of quality), so I wouldn't think
anything higher than 2000kbps would show much difference for analog TV.
Jarod C. Wilson, RHCE
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