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Sharc · 17th March 2020, 17:46

@jdobbs
You may find this discussion interesting:
https://forum.doom9.org/showthread.php?t=180438
At the end CRF means just constant rate factor and provides a 'constant quality' for a particular encode. It is not an absolute quality measure and hence even for the same CRF the quality differs from source to source and between different encoder settings.
But yes, the behavior for x264 was more logical than it seems to be for x265.

17th March 2020, 17:46	#29337 \| Link
Sharc Registered User Join Date: May 2006 Posts: 3,997	@jdobbs You may find this discussion interesting: https://forum.doom9.org/showthread.php?t=180438 At the end CRF means just constant rate factor and provides a 'constant quality' for a particular encode. It is not an absolute quality measure and hence even for the same CRF the quality differs from source to source and between different encoder settings. But yes, the behavior for x264 was more logical than it seems to be for x265. Last edited by Sharc; 17th March 2020 at 17:52.