[Kekkan] Kanpekiseijo - 09 (WebRip 1080p AV1 Multi-Subs Alicia) / Kanpekisugite Kawaige ga Nai to Konyaku Haki sareta Seijo wa Ringoku ni Urareru

Filtering and Encoding Details
slow.pics from episode 01: https://slow.pics/c/7yAhaDeW.
The most noticeable artefact throughout this anime is its strong ringing around the lines. We could not find the correct kernel for descaling. For scenes that have smaller descaling error, we use vsscale.Rescale and vsdehalo.edge_cleaner to filter the frames. For scenes that have larger descaling error, we use vsdehalo.fine_dehalo and vsaa.based_aa to filter the frames.
There are not many action scenes in this anime, but most of them have terrible-looking encoding artefacts in the source. To hopefully minimise the artefacts, specifically for action scenes, we use DPIR to deblock, followed by vsdehalo.edge_cleaner and a stronger gaussian-filtering aa to filter the frames.
This anime is characterised by its heavy film grain. We opt to keep as much grain as possible during the filtering process.
For encoding, we use Progression Boost Preset-Butteraugli-3Norm-INFNorm-Max to deliver a rather high quality encode. This is the Butteraugli 3Norm score of episode 01 with film grain removed compared to the filtered source:


Metric
Mean
Standard Deviation
95th Percentile
Worst Single Frame




Butteraugli 3Norm
0.359
0.097
0.500
0.633



We use SVT-AV1-PSY v2.3.0-Q, and these are the key encoding parameters: --preset [-1 ~ 0] --crf [6.25 ~ 30.00] --tune 3 --enable-tf 1 --kf-tf-strength 1 --tf-strength 2 --sharpness 0 --film-grain 7 --psy-rd 2.6 --spy-rd 0.
Thanks to all the people creating the tools, plugins and vsfunc’s that make this possible, and thanks to everyone in the community for teaching me and giving me advice.
You are welcome to join AV1 weeb edition at https://discord.gg/83dRFDFDp7.
Media Info


Track
Language
Source
Codec
Remark




Video
Japanese
SubsPlease CR
AV1
Filtered and Reencoded


Audio
Japanese
SubsPlease CR
AAC
Untouched


Subtitle
English
SubsPlease CR
ASS
〃


Subtitle
Portuguese (Brazil)
Erai-raws CR
〃
〃


Subtitle
Spanish (Latin America)
Erai-raws CR
〃
〃


Subtitle
Spanish
Erai-raws CR
〃
〃


Subtitle
Arabic
Erai-raws CR
〃
〃


Subtitle
French
Erai-raws CR
〃
〃


Subtitle
German
Erai-raws CR
〃
〃


Subtitle
Italian
Erai-raws CR
〃
〃


Subtitle
Russian
Erai-raws CR
〃
〃


Subtitle
Indonesian
Erai-raws CR
〃
〃


Subtitle
Malay
Erai-raws CR
〃
〃


Subtitle
Vietnamese
Erai-raws CR
〃
〃


Subtitle
Thai
Erai-raws CR
〃
〃



English chapters included.
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