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  • 最終更新日:6か月以内
  • 2024/3/30 -Maybe I've just been spoiled, but x264 has such good defaults I have a hard time justifying changing them, crf 23 is a few points below almost visually ...

    2024/4/18 -As with x264, you need to make several choices: Choose a CRF. CRF affects the quality. The default is 28, and it should visually correspond to libx264 video at ...

    2024/1/30 -A lower CRF value indicates a higher quality level and a higher bitrate, while a higher CRF value indicates a lower quality level and a lower bitrate. The CRF ...

    2024/5/9 -What is the difference between -crf and -cq parameters of ffmpeg ? I am trying to compress 1080p h264 videos into 1080p h265 videos with high quality and low ...

    2024/1/23 -Use CRF instead of bitrate with x264. Start with CRF 18 (visually lossless). Smaller values increase the quality, but also the bit rate and file size.

    2024/1/8 -In addition to the "default" two-pass modes, there's a constant quality (CQ) mode (similar to CRF in the x264 encoder) that targets a certain perceptual quality ...

    A.まず、1920×1080なら処理が遅いのは当然です。 そして、H.264圧縮でビットレート9000、6000、3000kbpsというのは高すぎでしょう。私の個人的な意見ですけどね。 まぁこの辺は、

    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

    2024/1/31 -During easy-to-encode segments in a video, the x264 codec can achieve the CRF quality level far below the cap, generating bandwidth savings. During high-motion ...

    2024/6/1 -It is mutually exclusive with --crf option, which means you can not use both at the same time. x264 Preset​. When exporting a H.264 video, you can use the ...

    2024/3/26 -CRF 23 ≈ x264 CRF 19 (visually lossless). This mode ensures that each frame receives the appropriate number of bits to maintain a consistent quality level. It ...

    2024/3/25 -... CRF or percentages mean in this conte ... x264, 23, Fast, 573, 489.3, General purpose. SVT-AV1, 32, 8, 1010, 262.3, General purpose. I provided two visually ...