Release notes
This demonstration release uses AV1 to show a complete technical notebook. The listed sizes, CRC, and MediaInfo are sample values.
The download button points to an example URL. No anime files are distributed with this project.
QC notes
Inspect sky gradients at native size, then toggle the source and encode. Use multiple scenes before settling on a grain setting.
Audio tracks
01Japanese · Opus · 2.0 · 192 kb/sDefault
Subtitle tracks
01English · ASS · Sample styled subtitlesDefault
The technical notebook
Encoder parametersCLI
SvtAv1EncApp -i filtered.y4m -b episode01.ivf --crf 22 --preset 4 --film-grain 6 --keyint 240VapourSynth 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
Complete name : [Yuuki] Frieren - 01 [AV1][A3C91F2E].mkv
Format : Matroska
File size : 342 MiB
Duration : 24 min
Video
Format : AV1
Width : 1 920 pixels
Height : 1 080 pixels
Frame rate : 23.976 FPS
Bit depth : 10 bits
Audio
Format : Opus
Channels : 2 channels
Language : Japanese
Text
Format : ASS
Language : EnglishScreenshots
Source / encode inspection
Frame inspection / 018420
Night gradients & fine texture
BD sourceAV1 encodeFIT TO VIEW
SVG demonstration: compare the subtle texture in the sky and the edges of the observatory. These are illustrative frames, not measurements of the anime.
1 / 2 toggle · ← / → switch · native view scrolls at original image sizeChangelog
v1
Initial sample notebook with encoder settings, MediaInfo, and a frame pair.