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Old 1st January 2009, 05:37   #6  |  Link
Esurnir
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Join Date: Jun 2008
Posts: 143
Quote:
Originally Posted by Chengbin View Post
So they're the same? 2 pass is only to hit a specific file size? I thought the first pass is to analyze the video file to see where to distribute the bits or something like that.
Their goals are different, CRF permit you to reach a certain "quality" (I do my encode with CRF-20, CRF-18 is considered as transparent) but ignoring what will be the final size, while bitrate permit you to reach a certain size (for the quality, you don't have a clue before seeing the result)
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