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Forum: High Efficiency Video Coding (HEVC)

3rd April 2023, 17:29

Replies: 17

Best settings for encoding at very low bitrates

Views: 5,059

Posted By benwaggoner

I personally prefer to use spline36 instead of...

I personally prefer to use spline36 instead of lanczos for downscaling for recompression. Lanczos is "sharper" but increases risk of ringing artifacts. And higher frequencies are intrinsically harder...

Forum: High Efficiency Video Coding (HEVC)

3rd April 2023, 17:22

Replies: 17

Best settings for encoding at very low bitrates

Views: 5,059

Posted By benwaggoner

These bitrates are all about the psychovisually...

These bitrates are all about the psychovisually preferable tradeoffs, so eyeballs are the gold standard. x265 will log per frame PNSR and SSIM with --psnr --ssim --csv-log-level 2.

If I have too...

Forum: High Efficiency Video Coding (HEVC)

27th March 2023, 16:03

Replies: 17

Best settings for encoding at very low bitrates

Views: 5,059

Posted By benwaggoner

And as you're worried about speed, and 720p is a...

And as you're worried about speed, and 720p is a relatively lower resolution, you might try --pmode if you've got a bunch of idle cores during encoding.

Setting --frame-threads 1 can help improve...

Forum: High Efficiency Video Coding (HEVC)

27th March 2023, 15:56

Replies: 17

Best settings for encoding at very low bitrates

Views: 5,059

Posted By benwaggoner

First, what kind(s) of content are you...

First, what kind(s) of content are you compressing? How will you be watching it? The more focused the scenario, the finer-tuned the recommendations we can make.

Your average bitrate isn't that low...

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