I bought the jpn BD by myself.
source：
JP BD:http://hdbits.org/details.php?id=180926
US BD:https://u2.dmhy.org/details.php?id=4276

Encoding Settings: crf=16.0, mbtree=1, qcomp=0.80, fgo=0, aq=3:0.80
Audio1: Japanese - 2.0 16bit 48kHz FLAC
Audio2:English - 5.1 24bit 48kHz FLAC
subtitle: English PGS

Comparison JP BD(up) vs US BD(down)
OP&ED

main parse


Mediainfo

Quote:

General
Unique ID : 253446582084603847985911716731265080282 (0xBEAC0942B1E5D21C998074F3DCF9DBDA)
Complete name : D:\HI10P ainme\[philosophy-raws][Casshern Sins]\[philosophy-raws][Casshern Sins][01][BDRIP][Hi10P FLAC][1920X1080].mkv
Format : Matroska
Format version : Version 4 / Version 2
File size : 2.18 GiB
Duration : 23mn 42s
Overall bit rate mode : Variable
Overall bit rate : 13.2 Mbps
Encoded date : UTC 2013-08-28 14:42:29
Writing application : mkvmerge v6.3.0 (‘You can’t stop me!’) built on Jul 19 2013 16:27:38
Writing library : libebml v1.3.0 + libmatroska v1.4.1

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High 10@L5.0
Format settings, CABAC : Yes
Format settings, ReFrames : 8 frames
Codec ID : V_MPEG4/ISO/AVC
Duration : 23mn 42s
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 10 bits
Scan type : Progressive
Writing library : x264 core 136 r2348+704+51 d1baef6 tMod [10-bit@4:2:0 X86_64]
Encoding settings : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=10 / psy=1 / fade_compensate=0.00 / psy_rd=0.60:0.00 / mixed_ref=1 / me_range=32 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=24 / lookahead_threads=6 / sliced_threads=0 / nr=0 / decimate=0 / interlaced=0 / bluray_compat=0 / constrained_intra=0 / fgo=0 / bframes=12 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / open_gop=0 / weightp=2 / keyint=infinite / keyint_min=1 / scenecut=40 / intra_refresh=0 / rc_lookahead=72 / rc=crf / mbtree=1 / crf=16.0000 / qcomp=0.80 / qpmin=0:0:0 / qpmax=81:81:81 / qpstep=4 / ip_ratio=1.40 / aq=3:0.80 / aq-sensitivity=10.00 / aq-factor=1.00:1.00:1.00 / aq2=0 / aq3=0
Language : English
Default : Yes
Forced : No

Audio #1
ID : 2
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 23mn 42s
Bit rate mode : Variable
Channel count : 2 channels
Sampling rate : 48.0 KHz
Bit depth : 16 bits
Writing library : libFLAC 1.3.0 (UTC 2013-05-26)
Language : Japanese
Default : Yes
Forced : No

Audio #2
ID : 3
Format : FLAC
Format/Info : Free Lossless Audio Codec
Codec ID : A_FLAC
Duration : 23mn 42s
Bit rate mode : Variable
Channel count : 6 channels
Sampling rate : 48.0 KHz
Bit depth : 24 bits
Delay relative to video : 43ms
Writing library : libFLAC 1.3.0 (UTC 2013-05-26)
Language : English
Default : No
Forced : No

Text
ID : 4
Format : PGS
Muxing mode : zlib
Codec ID : S_HDMV/PGS
Codec ID/Info : The same subtitle format used on BDs/HD-DVDs
Language : English
Default : Yes
Forced : No