日本語のみで絞り込む
2021/4/13 -I want to encode a 480p movie with VP9 in two passes. Google recommends to use crf 34 for low quality encoding of 480p video, and crf 33 for ...
2010/12/25 -x264のcrf値はどれくらいが適切なのか？ ... crf 16では0.99に近い値が出ており、crf 18で0.987, crf 19で0.986, そしてcrf 20で0.985と、なかなか良い数値 ...
2023/8/7 -Other than file size, the most noticeable difference that I see is that on the encodes there's often color banding in large areas of same color.
2017/2/24 -For x264, sane values are between 18 and 28. The default is 23, so you can use this as a starting point. With ffmpeg , it'd look like this:.
2016/10/18 -I have some experience using ffmpeg with x264 and I wanted to do a comparison with libvpx-vp9. ... crf', '20', '-preset', 'fast'],13.1897280216, ...
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 ...
2012/1/12 -I tried to encode a BluRay of 25GB with the x264 CRF 20, and got a ... Will it take in the max quality with the bluray to CRF20 conversion or what ...
2020/8/16 -Lower crf with x264/x265 yields diminishing returns (quality vs bitrate). CRF16 is already quite low. Higher resolution with higher crf ...
2013/11/18 -For x264 your valid range is 0-51 : The range of the quantizer scale is 0-51: where 0 is lossless, 23 is default, and 51 is worst possible. A ...
2016/12/26 -This will set maximum bit rate to 400Kbps with CRF of 20. This is an equivalent of the following FFmpeg parameters: -crf 20 -maxrate 400k - ...