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Old 2nd October 2019, 07:19   #35  |  Link
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Join Date: Mar 2002
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Originally Posted by benwaggoner View Post
There isn't any psychovisual tuning involved here, so looking at PSNR and SSIM differences would probably be a lot more useful than with other settings.

My gut is a smaller range with HME is probably optimal at fixed encoding time, but it'll be somewhat content dependent. HME is probably more useful to improve perf @ quality than anything else.
Do you think that just setting --ssim would be enough or is tuning needed? I did two quick tests, and at 720p (downscaled from 1080p) --no-hme with --merange 58 was better and at 1080p --hme with --merange 26 was better what comes to SSIM. I did those without changing any other parameters so the psy tunings were there.
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