Source: JPBD

Video: AV1 (aom-lavish)
Audio: Opus (JP)
Subs: ASS (ENG)

Mediainfo:

General
Unique ID                                : 51661197905979808249516541036187727230 (0x26DD95B584C3918316842AEE8225B57E)
Complete name                            : [The-Nut] Urasekai Picnic - 01.mkv
Format                                   : Matroska
Format version                           : Version 4
File size                                : 175 MiB
Duration                                 : 23 min 42 s
Overall bit rate                         : 1 031 kb/s
Encoded date                             : UTC 2023-03-28 19:51:02
Writing application                      : mkvmerge v75.0.0 ('Goliath') 64-bit
Writing library                          : libebml v1.4.4 + libmatroska v1.7.1 / Lavf59.27.100
Attachments                              : ComicBookFun-Regular.ttf / Eager_Naturalist.1.ttf / F5AJXKED.TTF / Fontin_Sans_BI.otf / Fontin_Sans.otf / Gameshow.1.otf / LAURENCB.8.TTF / MercuryTextG1-Semibold.otf / Polo Brush.ttf / UrbanJungleDEMO.1.otf

Video
ID                                       : 1
Format                                   : AV1
Format/Info                              : AOMedia Video 1
Format profile                           : Main@L4.0
Codec ID                                 : V_AV1
Duration                                 : 23 min 42 s
Bit rate                                 : 894 kb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 23.976 (24000/1001) FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 10 bits
Bits/(Pixel*Frame)                       : 0.018
Stream size                              : 152 MiB (87%)
Default                                  : Yes
Forced                                   : No
Color range                              : Limited

Audio
ID                                       : 2
Format                                   : Opus
Codec ID                                 : A_OPUS
Duration                                 : 23 min 42 s
Bit rate                                 : 128 kb/s
Channel(s)                               : 2 channels
Channel layout                           : L R
Sampling rate                            : 48.0 kHz
Frame rate                               : 50.000 FPS (960 SPF)
Bit depth                                : 32 bits
Compression mode                         : Lossy
Stream size                              : 21.6 MiB (12%)
Writing library                          : Lavc59.37.100 libopus
Language                                 : Japanese
Default                                  : Yes
Forced                                   : No

Text
ID                                       : 3
Format                                   : ASS
Codec ID                                 : S_TEXT/ASS
Codec ID/Info                            : Advanced Sub Station Alpha
Duration                                 : 23 min 36 s
Bit rate                                 : 352 b/s
Frame rate                               : 0.483 FPS
Count of elements                        : 685
Compression mode                         : Lossless
Stream size                              : 60.9 KiB (0%)
Default                                  : Yes
Forced                                   : No