Quote:
Originally Posted by Boulder
The average QP remained pretty much the same, differences were around 0.01-0.03 units between 1:1 - -3:-3. Based on my tests, the higher values did soften the image more at least in places I checked, so maybe the bits were allocated elsewhere in the image.
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Hmmm. You should look at it in motion then; maybe the improvements are there.
Playing back at 1/4 speed is generally okay to see temporal artifacts better while still keeping temporal coherence. You can still detect discontinuities between IDR/i/P/B/b that way.
Testing at a higher CRF, like maybe 28, can also make differences at lot more obvious. Working at a quality where most things look pretty good can make differences much harder to detect.