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Old 28th August 2017, 18:02   #4  |  Link
nevcairiel
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Join Date: Mar 2010
Location: Hamburg/Germany
Posts: 10,340
CRF bitrates can vary quite a bit depending on the content you encode (and of course the resolution). At some point you'll just "need" to lower the CRF value further and further, if x264 just doesn't have any more bits to spend at a given crf level.
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