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Old 23rd February 2008, 13:31   #6  |  Link
Brother John
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Join Date: Jun 2003
Location: Germany
Posts: 512
@Dark Shikari
I see. So VAQ basically is about as close to CRF as Xvid can get. Those bad quant restrictions indeed are one of the reason why I’d like to abandon Xvid. There are more important ones making me stay, though. And VAQ is definitely one more of those.

Quote:
Originally Posted by Ranguvar
Same thing with QPel. Not enough benefit
QPel usually doesn’t even improve compression but lowers it! However it makes the picture look a bit grittier. It’s a kind of pseudo-detail and if you like the effect, QPel is a good thing.

Quote:
Originally Posted by Prettz
ASP I don't think was ever intended for the kind of high-quality videos Xvid initially allowed to be produced.
When reading the MPEG-4 Visual specs I get the impression that MPEG was more concerned with the whole non-rectangle video/compositing thing than plain old movie encoding. Maybe the restrictions make more sense from that point of view.
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