I bought the JP BD by myself,which have a better quality than US BD. 24bit Audio from the US BD.In JP BD,it's only 16bit. Quote: General Unique ID : 191344405822495787143419678859877481871 (0x8FF39792FA4F2E308DEEAE5B7878FD8F) Complete name : D:\\HI10P ainme\\\[philosophy-raws\]\[Tokyo Magnitude 8.0\]\\\[philosophy-raws\]\[Tokyo Magnitude 8.0\]\[01\]\[BDRIP\]\[Hi10P FLAC\]\[1920X1080\].mkv Format : Matroska Format version : Version 4 / Version 2 File size : 1.34 GiB Duration : 22mn 45s Overall bit rate mode : Variable Overall bit rate : 8 400 Kbps Encoded date : UTC 2013-04-20 00:01:26 Writing application : mkvmerge v6.1.0 ('Old Devil') built on Apr 14 2013 11:58:01 Writing library : libebml v1.3.0 + libmatroska v1.4.0 Video ID : 1 Format : AVC Format/Info : Advanced Video Codec Format profile : High [10@L5.0](mailto:10@L5.0) Format settings, CABAC : Yes Format settings, ReFrames : 8 frames Codec ID : V\_MPEG4/ISO/AVC Duration : 22mn 45s 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 130 r2274+704+41 4bc4774 tMod+TriAQ \[10-bit@4:2:0 X86\_64\] 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=0.60:0.15 / mixed\_ref=1 / me\_range=32 / chroma\_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast\_pskip=0 / chroma\_qp\_offset=-3 / threads=24 / lookahead\_threads=6 / sliced\_threads=0 / nr=0 / decimate=0 / interlaced=0 / bluray\_compat=0 / constrained\_intra=0 / fgo=3 / 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=17.0000 / qcomp=0.80 / qpmin=0 / qpmax=81 / qpstep=4 / ip\_ratio=1.40 / aq=3:0.80 / aq-sensitivity=10.00 / aq-factor=1.00:1.00:1.00 / aq2=1:0.60 / aq2-sensitivity=15.00 / aq2-factor=1.00:1.00:1.00 / aq3=0 Language : English Default : Yes Forced : No Audio [\#1](//www.nyaa.se/?page=view&tid=1) ID : 2 Format : FLAC Format/Info : Free Lossless Audio Codec Codec ID : A\_FLAC Duration : 22mn 45s Bit rate mode : Variable Channel(s) : 2 channels Sampling rate : 48.0 KHz Bit depth : 24 bits Delay relative to video : 22ms Writing library : libFLAC 1.2.1 (UTC 2007-09-17) Language : English Default : Yes Forced : No Audio [\#2](//www.nyaa.se/?page=view&tid=2) ID : 3 Format : FLAC Format/Info : Free Lossless Audio Codec Codec ID : A\_FLAC Duration : 22mn 45s Bit rate mode : Variable Channel(s) : 2 channels Sampling rate : 48.0 KHz Bit depth : 24 bits Delay relative to video : 22ms Writing library : libFLAC 1.2.1 (UTC 2007-09-17) Language : Japanese Default : No Forced : No Audio [\#3](//www.nyaa.se/?page=view&tid=3) ID : 4 Format : FLAC Format/Info : Free Lossless Audio Codec Codec ID : A\_FLAC Duration : 22mn 45s Bit rate mode : Variable Channel(s) : 2 channels Sampling rate : 48.0 KHz Bit depth : 16 bits Language : Chinese Default : No Forced : No Audio [\#4](//www.nyaa.se/?page=view&tid=4) ID : 6 Format : AAC Format/Info : Advanced Audio Codec Format profile : HE-AAC / LC Codec ID : A\_AAC Duration : 22mn 45s Channel(s) : 2 channels Channel positions : Front: L R Sampling rate : 44.1 KHz / 22.05 KHz Compression mode : Lossy Language : Chinese Default : No Forced : No Text [\#1](//www.nyaa.se/?page=view&tid=1) ID : 5 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 Text [\#2](//www.nyaa.se/?page=view&tid=2) ID : 7 Format : ASS Codec ID : S\_TEXT/ASS Codec ID/Info : Advanced Sub Station Alpha Compression mode : Lossless Language : Chinese Default : No Forced : No