Release notes
A HEVC sample for comparison with the AV1 release notebook. Source retention and playback compatibility are part of the decision, alongside file size.
All specifications and links are demonstration data.
Audio tracks
01Japanese · Opus · 2.0 · 192 kb/sDefault
Subtitle tracks
01English · ASS · Sample styled subtitlesDefault
The technical notebook
Encoder parametersCLI
x265 --input filtered.y4m --y4m --crf 17 --preset slow --profile main10 --output episode02.hevcVapourSynth filter scriptPYTHON
import vapoursynth as vs
core = vs.core
# Example only: tune per scene and inspect against the source.
clip = core.lsmas.LWLibavSource("source.mkv")
debanded = core.f3kdb.Deband(clip, range=12, y=48, cb=32, cr=32, grainy=0, grainc=0, output_depth=10)
# Restore grain selectively rather than erasing texture globally.
debanded.set_output()MediaInfoTEXT
General
Format : Matroska
File size : 428 MiB
Video
Format : HEVC
Profile : Main 10
Dimensions : 1920 x 1080
Frame rate : 23.976 FPS
Audio
Format : Opus
Language : JapaneseScreenshots
Source / encode inspection
Frame inspection / 012012
Architectural edges & lineart
BD sourceHEVC encodeFIT TO VIEW
Illustrative close-up: watch the window edges and fine grain while toggling. Use native pixel view to avoid browser scaling.
1 / 2 toggle · ← / → switch · native view scrolls at original image size