MEncoder

„MEncoder is a free command line video decoding, encoding and filtering tool released under the GNU General Public License. It is a close sibling to MPlayer and can convert all the formats that MPlayer understands into a variety of compressed and uncompressed formats using different codecs.“

MEncoder. (2008, February 23). In Wikipedia, The Free Encyclopedia. Retrieved 18:57, April 5, 2008, from
http://en.wikipedia.org/w/index.php?title=MEncoder&oldid=193447614


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Monday, May 12, 2008

Re: [MEncoder-users] MPEG-2: vrc_minrate and vqmin / lmin

> See above. Low lmin values only mean higher probability of low
> quantizers. While lmin=0.01 won't produce quantizers lower than 1
> (Because vqmin forbids it. And they'd be useless anyway - dividing by a
> value less than 1 means you make up bigger coefficients than are
> actually there. That'd be plain stupid.), it also modifies probabilities
> for quantizers bigger than 1.
>
>
>
lmin set to 0.01 improved the banding immensely. Adding dc=10 reduced
pulsating (at the keyframe intervals) in some of the blocks in the
banded areas.

I suppose that banding is just part of the game with MPEG-2 encoding?

Thanks for your help!!!!

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