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Old 17th May 2023, 18:20   #11  |  Link
Join Date: Jan 2006
Location: Portland, OR
Posts: 4,824
Originally Posted by HD MOVIE SOURCE View Post
Interesting, are you seeing better encodes using CTU=32? I've seen one encode where the QP only dropped by 0.1 on average, so I didn't know whether to use it or not.

In theory can CTU=32 grab more detail than 64? I might just run some tests for even lower than 32 just to see it.
I have seen --ctu 32 provide better quality with very grainy content at 4K and HD resolutions.
Ben Waggoner
Principal Video Specialist, Amazon Prime Video

My Compression Book
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