Changes between Version 36 and Version 37 of Encode/AV1

Timestamp:

Jul 19, 2022, 8:59:09 AM (4 years ago)

Author:

slhck

Comment:

add note on visually lossless CRF for AV1

Encode/AV1

@@ -42 +42 @@
 }}}
 
-The CRF value can be from 0–63. Lower values mean better quality and greater file size. 0 means lossless.
+The CRF value can be from 0–63. Lower values mean better quality and greater file size. 0 means lossless. A CRF value of 23 yields a quality level corresponding to a of CRF 19 for x264 ([https://www.spiedigitallibrary.org/conference-proceedings-of-spie/11842/2595598/Towards-much-better-SVT-AV1-quality-cycles-tradeoffs-for-VOD/10.1117/12.2595598.full?SSO=1 source]), which would be considered visually lossless.
 
 == Constrained Quality ==