On 16 Aug 2003, Florin Andrei wrote:

> Meanwhile i realised i'll have to reconvert anyway, that's an amateur
> video with high detail and LOTS of motion, so i'll probably have to use
> -I 2 instead of -I 1.
> Even at -b 9000, i still get square artifacts, that's how bad it is...

        It will, from the sounds of it, probably be necessary to give up
        a small amount of the detail.   Better that than square artifacts,
        no?

        Try running the data thru "yuvdenoise -l 1" before going to the
        encoder.  Perhaps that will help.

        Did you try using the -N option?   A small value might help,
        perhaps something like "-N 0.6" would be useful.   Using the
        alternate quanization matrices might also be of value - perhaps
        they would reduce the block artifacts.

        Cheers,
        Steven Schultz



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