比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
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FR%Y/j   Op,Ce4A  雖然,後者有兩條音頻,但都係好細,13MB/條。就算將兩條音頻刪除,文件SIZ仍然係好大。
 NO P~?p  所以,要點樣壓縮到好似前者一樣?
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F;:>   PYkcGtVa_  唔改變解像度,只改變碼率,應如何做?
 eQx9Vnb   sD1L
P   F_/]9tz?;  《死神》  {lT9gJ+     General Z_
QSVH68A  
      Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv MxuwEV|^  
      Format : Matroska U/>f"	F  
      File size : 280 MiB il
w<Q-o4(  
      Duration : 24mn 7s [3nhf<O  
      Overall bit rate : 1 621 Kbps Ox8dnPcx  
      Encoded date : UTC 2011-05-03 17:33:29 8X!U
tHml  
      Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 C?#if;c  
      Writing library : libebml v0.7.9 + libmatroska v0.8.1 U
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   Video #1 GfUIF]X  
      ID : 1 hmtRs]7  
      Format : AVC F
71  
      Format/Info : Advanced Video Codec d@b 0z$<s  
      Format profile : [url=mailto:[email protected]][email protected][/url] 95_?F7}9  
      Format settings, CABAC : Yes Fm3-Sn|Po  
      Format settings, ReFrames : 8 frames j?jEWreq]~  
      Muxing mode : Container [email protected] ?g}n$%*5y!  
      Codec ID : V_MPEG4/ISO/AVC QUaz;kNC7  
      Duration : 23mn 55s `.
/[/z-g  
      Nominal bit rate : 1 500 Kbps %/,PY>:|  
      Width : 1 280 pixels sRE$*^i  
      Height : 720 pixels Un]`Gd]:  
      Display aspect ratio : 16:9 ]cc4+}L~  
      Frame rate : 23.810 fps |b;}'
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      Original frame rate : 23.976 fps 2xZg, \  
      Resolution : 24 bits &O#a==F!(  
      Colorimetry : 4:2:0 yv9~  
      Scan type : Progressive 7$z")JB  
      Bits/(Pixel*Frame) : 0.068 b+'G^!JR  
      Writing library : x264 core 98 r1629 2e81ce1 &vj+3<2  
      Encoding settings : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=6 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / weightp=0 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=1500 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=3486 / vbv_bufsize=3487 / ip_ratio=1.40 / aq=1:0.50 / nal_hrd=none -3/:Dk`3  
   Audio #2 qDM/
6xO  
      ID : 2 Wcz{": [  
      Format : AAC zG[fPD  
      Format/Info : Advanced Audio Codec o$\{&:y  
      Format version : Version 4 T$06DS  
      Format profile : LC 7ZET@  
      Format settings, SBR : No Lbq
"(	b  
      Codec ID : A_AAC _0)#-L>xKF  
      Duration : 24mn 7s PkLRQ}  
      Channel(s) : 2 channels Sr)/
Mf  
      Channel positions : L R ZF51|b  
      Sampling rate : 44.1 KHz h76#HUBr!  
      Resolution : 16 bits vYL{5,t	{1  
   Text #3 =9\=5_V  
      ID : 3 uw 
L T$  
      Format : ASS 5hB&]6n  
      Codec ID : S_TEXT/ASS ~B:Lai4"  
      Codec ID/Info : Advanced Sub Station Alpha [])M2_
  
   Text #4 DGC-`z  
      ID : 4 Eg3rbqM-	8  
      Format : ASS %bt2^  
      Codec ID : S_TEXT/ASS MKJ9PcVi   
      Codec ID/Info : Advanced Sub Station Alpha ,M>W) TSH   `V w9j,G  =============================================
 "@gJ[BL#   %{yr#F=t#]  《GPX》 n	#p6i     General x]euNa   
      Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv Eof1sTpA  
      Format : Matroska )"WImf:*
  
      File size : 320 MiB T5z %X:VD(  
      Duration : 26mn 54s D
OkEWqM!  
      Overall bit rate : 1 663 Kbps uz
`	H  
      Encoded date : UTC 2011-05-16 14:48:07 *-ZD -B*?  
      Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep  5 2010 10:30:51 Z"lL=0rY/  
      Writing library : libebml v1.0.0 + libmatroska v1.0.0 `kwyF27v]  
   Video #1 *na7/ysT<	  
      ID : 1 FMwT4]y  
      Format : AVC &m5