731 (2025) 2160p 4K WEB 5.1-WORLD
- Release date: 18 Sep 2025
- Release year: 2025
- Runtime: 125 minutes
- Country: China
- Keywords: exploitation film
Plot:
Set against the backdrop of the bacterial experiments conducted by the Japanese Imperial Army's Unit 731 in Northeast China, and reveals the crimes of Unit 731 through the turbulent fate of an ordinary individual.
Torrent Contents Size: 5.6 GB
Description
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Location
Trackers
| Tracker name |
|---|
| udp://tracker.coppersurfer.tk:6969/announce |
| udp://9.rarbg.me:2850/announce |
| udp://9.rarbg.to:2920/announce |
| udp://tracker.opentrackr.org:1337 |
| udp://tracker.leechers-paradise.org:6969/announce |
Torrent hash:
Media Information
✓ Analyzed
Jan 3, 2026
General
Format:
MKV
File Size:
5.6 GB
Duration:
02:05:27
Overall Bit Rate:
6.4 MbpsOverall Bit RateTotal data per second for the entire file — video, audio, and subtitles combined.
Video Streams
Video Stream 1
HEVC
4K
10-bit
Resolution:
3840 x 1608 (4K/UHD)
Codec:
HEVC (H.265)Video CodecThe compression method used for the video. Newer codecs keep the same quality with smaller files.
MPEG-2→H.264→HEVC→AV1
OlderMore efficient →
Frame Rate:
24 fpsFrame RateHow many images are shown per second to create the illusion of motion.
24 fps — Cinema standard (filmic look)
30 fps — Common for TV shows
60 fps — Smooth motion (sports, gaming)
Aspect Ratio:
2.39:1 ScopeAspect RatioThe shape of the video frame. Wider ratios give a more cinematic look but may show black bars on a standard screen.
16:9
2.39:1
Black bars top & bottom on a 16:9 screen
4:3
16:9
1.85:1
2:1
2.39:1
Pixel Format:
4:2:0 10-bitPixel Format4:2:0 — Standard color storage. Looks identical to full color for virtually all content.
10-bit — Over 1 billion colors, producing smoother gradients in skies and shadows vs. 16 million in 8-bit.
10-bit — Over 1 billion colors, producing smoother gradients in skies and shadows vs. 16 million in 8-bit.
8-bit
10-bit
Audio Streams
Audio Stream 1
AAC
5.1
Channels:
5.1 SurroundAudio Channels5.1 Surround — five speakers plus a subwoofer for bass. Creates an immersive, cinema-like sound field.
FLCFR👤SLSRSUB
Codec:
AACAudio FormatThe compression method for audio. Lossless codecs preserve the original studio quality perfectly.
Lossy (smaller files)MP2MP3AACVorbisOpusDDDD+DTS
Lossless (studio quality)FLACDTS-HD MATrueHDPCM
Sample Rate:
48 kHzSample RateHow many audio snapshots per second. 48 kHz is the video standard — more than enough for the full range of human hearing.
Bit Rate:
—
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