Because EP3 has many noise sence,so EP3's size is much bigger than other EPs. Quote: General Unique ID : 230526556542476652622495139397692533104 (0xAD6DCCC1253201CF85A4CD95EA3BA970) Complete name : F:\\\[philosophy-raws\]\[Blade Dance of Elementalers\]\\\[philosophy-raws\]\[Blade Dance of Elementalers\]\[01\]\[BDRIP\]\[HEVC Main10P FLAC\]\[1920X1080\].mkv Format : Matroska Format version : Version 4 / Version 2 File size : 629 MiB Duration : 23mn 42s Overall bit rate mode : Variable Overall bit rate : 3 707 Kbps Encoded date : UTC 2015-05-22 06:02:42 Writing application : mkvmerge v7.9.0 ('Birds') 64bit Writing library : libebml v1.3.1 + libmatroska v1.4.2 DURATION : 00:23:42.925000000 NUMBER\_OF\_FRAMES : 16675 NUMBER\_OF\_BYTES : 133068262 \_STATISTICS\_WRITING\_APP : mkvmerge v7.9.0 ('Birds') 64bit \_STATISTICS\_WRITING\_DATE\_UTC : 2015-05-22 06:02:42 \_STATISTICS\_TAGS : BPS DURATION NUMBER\_OF\_FRAMES NUMBER\_OF\_BYTES Video ID : 1 Format : HEVC Format/Info : High Efficiency Video Coding Format profile : Main 10@L5@Main Codec ID : V\_MPEGH/ISO/HEVC 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 Writing library : x265 1.6+417-f2081ef64fd2+11@8213d649e713:\[Windows\]\[GCC 4.9.2\]\[64 bit\] Yuuki 16bpp Encoding settings : wpp / ctu=64 / min-cu-size=8 / max-tu-size=32 / tu-intra-depth=3 / tu-inter-depth=3 / me=3 / subme=5 / merange=44 / no-rect / no-amp / max-merge=4 / temporal-mvp / no-early-skip / rdpenalty=0 / no-tskip / no-tskip-fast / no-strong-intra-smoothing / no-lossless / no-cu-lossless / no-constrained-intra / no-fast-intra / no-open-gop / no-temporal-layers / interlace=0 / keyint=720 / min-keyint=1 / scenecut=40 / rc-lookahead=72 / lookahead-slices=0 / bframes=9 / bframe-bias=0 / b-adapt=2 / ref=5 / weightp / weightb / aq-mode=1 / aq-strength=1.10 / cbqpoffs=0 / crqpoffs=0 / rd=5 / psy-rd=0.90 / rdoq-level=1 / psy-rdoq=4.00 / signhide / deblock=-2:-2 / no-sao / no-sao-non-deblock / b-pyramid / cutree / rc=crf / crf=15.5000 / qcomp=0.80 / qpmin=0 / qpmax=51 / qpstep=5 / ipratio=1.40 / pbratio=1.30 Language : English Default : Yes Forced : No Color range : Limited Matrix coefficients : BT.709 DURATION : 00:23:42.922000000 NUMBER\_OF\_FRAMES : 34116 NUMBER\_OF\_BYTES : 525990064 \_STATISTICS\_WRITING\_APP : mkvmerge v7.9.0 ('Birds') 64bit \_STATISTICS\_WRITING\_DATE\_UTC : 2015-05-22 06:02:42 \_STATISTICS\_TAGS : BPS DURATION NUMBER\_OF\_FRAMES NUMBER\_OF\_BYTES Audio ID : 2 Format : FLAC Format/Info : Free Lossless Audio Codec Codec ID : A\_FLAC Duration : 23mn 42s Bit rate mode : Variable Channel(s) : 2 channels Sampling rate : 48.0 KHz Bit depth : 16 bits Writing library : libFLAC 1.3.1 (UTC 2014-11-25) Language : Japanese Default : Yes Forced : No