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  • 2023/9/23 -... CRF quantizer scale mentioned on this page only applies to 8-bit x264. When compiled with 10-bit support, x264's quantizer scale is 0–63 (internally in x264 ...

    2023/9/27 -CRF 13-15 (edit: for x264) is pointlessly low for any reasonably imaginable video source and will result in a lot of CPU spent to get a result that is as big or ...

    2024/4/23 -I generally use CRF 18 for standard definition, CRF 19 for 720p, and CRF 20 for 1080p. Something like this in the x264 command line would be adequate. A level ...

    2023/12/14 -With the x264 codec, CRF 21 typically delivers a VMAF score of around 95. With easy-to-encode sideline shots, the CRF value would control the encoding, ...

    2024/4/18 -Choose a CRF. CRF affects the quality. The default is 28, and it should visually correspond to libx264 video at CRF 23, but result in about half the file size.

    2023/9/24 -x264 is a software library and command line application for encoding H.264 / AVC developed by VideoLAN, the people behind the ever-popular VLC Media Player.

    A.pasenaveさんへの回答 とりあえず、クリップ情報とプレイリストが作られなかったから エラーになったということしかわかりません。 その辺のパラメータをmultiAVCHDでいじりました? 本当

    2024/1/30 -The Constant Rate Factor is a powerful tool in the realm of variable bitrate encoding. It offers a nuanced approach to video compression that prioritizes ...

    2023/9/6 -I can set CRF 0 and then tune the VBV-maxrate and the encode uses it. Maybe it was ignoring the crf=0, though. That is possible. What is strange is that I ...

    2023/10/17 -From what I could find mentioned was that -crf 18 means of equal quality, and that 14-18 mean lossless. However I got a file size with x265 that was over twice ...

    2023/11/30 -x264. Rate Control: CRF; CRF: 16-23 (Lower CRF will result in higher quality and larger file sizes); Keyframe Interval: 2; CPU Usage Preset: veryfast; Profile ...