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: RARBG encodes often hovered around the equivalent of CRF 23-25. Dropping to 20 or 21 provides a massive jump in clarity for only a minor increase in file size.
ffmpeg -i input.mkv -c:v libx265 -preset slow -crf 19 \ -x265-params "profile=main10:level-idc=4.0:no-sao=1:limit-sao=1:deblock=-3,-3:psy-rd=2.5:psy-rdoq=1.5:rdoq-level=2:aq-mode=4:aq-strength=1.2:qcomp=0.7:no-strong-intra-smoothing=1:rd=6:ref=5:bframes=8:keyint=240:min-keyint=24:no-fast-pskip=1:rskip=2:rskip-edge-threshold=2:subme=4" \ -c:a copy output.mkv rarbg x265 encoding settings better
Achieving the same quality as x264 at roughly 50% the bitrate . : RARBG encodes often hovered around the equivalent
x265 handles sharp edges and outlines better, especially in high-resolution content. x265 handles sharp edges and outlines better, especially
For audio, while RARBG often used , upgrading to DD+ (E-AC3) at 384k or 640k provides a much better surround sound experience for 5.1 tracks.
Their x265 settings were better not because they were the absolute best possible quality (REMUX is always better), but because they represented the . They respected the source material enough to avoid ugly compression artifacts, while respecting the user’s bandwidth and hard drive space.
By using slower presets, RARBG allowed the x265 algorithm to analyze frames more thoroughly, finding ways to save data without discarding visual detail. This resulted in a file that was 30-50% smaller than an x264 equivalent, yet retained the same perceived quality.