Supernatural S09 1080p BluRay AV1-PTNX

SUPERNATURAL - Season 9


Total runtime: 16h 9m 14s - Total size: 8.6 GiB

VIDEO: AV1, 10 bit color (no CDEF)
AUDIO: English 5.1 Opus @ 192 kbps
SUBS: English SRT (embedded)

Two brothers follow their father's footsteps as hunters,
fighting evil supernatural beings of many kinds,
including monsters, demons and gods that roam the earth.
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ENCODING PARAMS (AOMENC):
--cpu-used=4 --end-usage=q --tile-columns=1 --tile-rows=1
--bit-depth=10 --enable-cdef=0 --lag-in-frames=28
--threads=2 --enable-dist-wtd-comp=0 --enable-qm=1
--quant-b-adapt=3 --mv-cost-upd-freq=2
--enable-chroma-deltaq=1 --enable-fwd-kf=1

ENCODING PARAMS (AV1AN):
-p 2 --target_quality 94 --vmaf_plots --vmaf
--vmaf_steps 5 -a "-c:a libopus -b:a 192k -ac 6 "
--min_q 15 --max_q 50

target_quality may be increased and/or min_q lowered for
individual episodes and/or segments of episodes if an
encode done with these parameters fails to meet quality
requirements.
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All Paarthurnax torrents are encoded in the AV1 video and
Opus audio codecs. This is a modern codec that offers the
best possible compression at any given quality level. Not
all media players support this format. If in doubt: VLC!

AV1-encoded files are usually around 30% smaller than
HEVC x265, and 50% smaller than AVC x264, at the same
quality.

The table above shows quality at mean, 75th, 25th and 1st
percentiles of frames, using Netflix's VMAF perceived
quality algorithm. Improvement above 93 is considered
imperceptible for film contents. All of our torrents
target a mean VMAF around 94 and 25th percentile no lower
than 91. This can be done while maintaining as small of a
file size as possible by splitting the video and encoding
the segments at a quality that is perfectly optimized for
each individual segment.
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