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* I have one client that needs most encoded programs to be lower than 50MB in size. 2 pass VBR is generally not worth the extra time it takes*. As long your encodes are set to reasonable datarates and you don't specifically need the absolute smallest possible encodes (file size). Both usually provide better (or as good) encodes at significantly lower oevral file sizes than CBR (Constant Bitrate).
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It then uses this analysis data on the second pass when actually encoding to assign more 'bits' to the scenes that have (say) high complexity motion and less 'bits' to (say) static scenes with no or little motion.ġ pass VBR just encodes 'on the fly' and can't encode frames 'knowing' what's further long in the program.Įffectively 2 pass VBR will give you better encodes at a slightly lower datarate than 1 pass VBR.
![difference between adobe premiere pro and elements difference between adobe premiere pro and elements](https://cdn.lynda.com/video/382966-49-635692773004003267_338x600_thumb.jpg)
The first pass in a Variable Bitrate 2 pass encode is an analysis pass which looks at the video content of the program and looks for high motion, low motion and complexity.
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