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Oopsla
Suspended due to non-functional email address
_ 		11. October 2003 @ 20:29 _ Link to this message    Send private message to this user   
When you compress video in say VirtualDub you have a number of choices. Which ones retain the most data? or are the least lossy? Are there and lossless compressions? Until my final cut I'd like to retain as much "data" as possible. It seems so hit and miss. Anybody know a good FAQ about this topic?
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powerdup
Senior Member
_ 		11. October 2003 @ 23:17 _ Link to this message    Send private message to this user   
There's no such thing as lossless compression Im afraid. :-)

Well if youre talking about compressing video into an mpeg-4 stream, the best candidates that retain the most data would be the divx and xvid codecs.

What kind of encoding are you doing by the way?

I know a couple of guides which can be found here:

http://www.doom9.org

Good Luck.
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Praetor
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_ 		12. October 2003 @ 04:35 _ Link to this message    Send private message to this user   
True, with video data playing at 23/29 fps odds are that a small blotch of RGB(122,116,219) being transcoded to, say RGB(128,118,220) wont be noticed and if it is noticed, it wont pose much of a quality problem. I would reccommend you try out the XviD codecs because they offer a higher bitrate for the same filesize when compared to DivX.
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