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 [問題]點樣壓縮視頻嘅碼率?

0
比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。 a JQ_V  
#O7phjzgD  
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。 |;YDRI  
所以,要點樣壓縮到好似前者一樣? R5<:3tk=X  
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唔改變解像度,只改變碼率,應如何做? }IKU^0M9<T  
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《死神》 xB}B1H%  
  General "h&[6-0'  
    Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv ~sCdvBA  
    Format : Matroska ^5-SL?E  
    File size : 280 MiB i\RB KF  
    Duration : 24mn 7s T`Xz*\}Zb  
    Overall bit rate : 1 621 Kbps t\\<+^[%  
    Encoded date : UTC 2011-05-03 17:33:29 gyC Xv0*z  
    Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 a%wa3N=v  
    Writing library : libebml v0.7.9 + libmatroska v0.8.1 Q*/jQC  
  Video #1 &3P "l.j  
    ID : 1 c2yZvi  
    Format : AVC AQ,%5MeqJ  
    Format/Info : Advanced Video Codec Ystd[  
    Format profile : [url=mailto:High@L4.0]High@L4.0[/url] hTQ]xN)  
    Format settings, CABAC : Yes M7neOQHq  
    Format settings, ReFrames : 8 frames q)tNH/  
    Muxing mode : Container profile=Unknown@4.0 p Acu{5#7  
    Codec ID : V_MPEG4/ISO/AVC kX:8sbZ##4  
    Duration : 23mn 55s Wk]E6yz6  
    Nominal bit rate : 1 500 Kbps RNX>I,2sh  
    Width : 1 280 pixels Z'c9xvy5  
    Height : 720 pixels i6E~]&~.v  
    Display aspect ratio : 16:9 Ia>~ph#]{`  
    Frame rate : 23.810 fps H`T}k+e2-N  
    Original frame rate : 23.976 fps JiiYl&#  
    Resolution : 24 bits r#^uY:T%  
    Colorimetry : 4:2:0 ES []A&tf  
    Scan type : Progressive tSaD=#v  
    Bits/(Pixel*Frame) : 0.068 N\x<'P4q  
    Writing library : x264 core 98 r1629 2e81ce1 g=S|lVQm  
    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 'Y>@t6E4  
  Audio #2 9 NqZ&S  
    ID : 2 >+*lG>!z  
    Format : AAC Kj|\ALI':  
    Format/Info : Advanced Audio Codec 0Y*Ag ,S  
    Format version : Version 4 ZZW%6-B  
    Format profile : LC h ?+vH{}j  
    Format settings, SBR : No :Y&h'FGZm  
    Codec ID : A_AAC *BQy$dfE  
    Duration : 24mn 7s MNKY J  
    Channel(s) : 2 channels g|)yM^Vqr6  
    Channel positions : L R V"|j Dnn5  
    Sampling rate : 44.1 KHz xc$jG?83#  
    Resolution : 16 bits Qh4Z{c@  
  Text #3 `w% Qs)2  
    ID : 3 $eh>.c'&]  
    Format : ASS c nV2}U/\  
    Codec ID : S_TEXT/ASS $(pVE}J  
    Codec ID/Info : Advanced Sub Station Alpha $`Aps7A  
  Text #4 Bet?]4\_  
    ID : 4  lmB+S  
    Format : ASS 2sT\+C&H  
    Codec ID : S_TEXT/ASS @5TJ]=  
    Codec ID/Info : Advanced Sub Station Alpha
lkgB,cflpi  
<VmEXJIk  
============================================= fb|lWEw5h.  
DgC;1U'  
《GPX》 UjS,<>fm  
  General `HsI)RmX  
    Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv stlkt>9  
    Format : Matroska Tw9?U,]  
    File size : 320 MiB Q E*`#r#e  
    Duration : 26mn 54s CrEC@5 j  
    Overall bit rate : 1 663 Kbps hdxq@%Vs  
    Encoded date : UTC 2011-05-16 14:48:07 6 Y} Bza  
    Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 <z-+{-?z~  
    Writing library : libebml v1.0.0 + libmatroska v1.0.0 >6 6v+  
  Video #1 6zW3!_tz  
    ID : 1 R"[U< ^  
    Format : AVC Z`kI6  
    Format/Info : Advanced Video Codec 0 I[3%Q{  
    Format profile : [url=mailto:High@L4.0]High@L4.0[/url] lNqF@eCT9  
    Format settings, CABAC : Yes O. OSLezTQ  
    Format settings, ReFrames : 2 frames  :O{ ZZ  
    Muxing mode : Container profile=Unknown@4.0 z4*`K4W  
    Codec ID : V_MPEG4/ISO/AVC & 13#/  
    Duration : 26mn 52s n Sh}1Arp/  
    Width : 640 pixels X?q,m4+  
    Height : 480 pixels /}RW~ax  
    Display aspect ratio : 4:3 5KwT(R o  
    Frame rate : 23.976 fps kV+O|9  
    Original frame rate : 11.988 fps r WPoR/M  
    Resolution : 24 bits _0qp!-l }  
    Colorimetry : 4:2:0 _tpqo>  
    Scan type : Progressive <>^otb,e$  
    Writing library : x264 core 38 svn-341 "A,-/~cBV  
  Audio #2 <LA!L  
    ID : 2 S%k](\7!  
    Format : AAC B&c*KaK;~  
    Format/Info : Advanced Audio Codec \*6Ld %:h$  
    Format version : Version 4 {/SLDyf%Z  
    Format profile : LC RS[>7-9  
    Format settings, SBR : Yes e2$k %c~  
    Format settings, PS : No TClgywL  
    Codec ID : A_AAC K cNh3CR  
    Duration : 26mn 54s fs wQ*  
    Channel(s) : 2 channels ;]xJC j  
    Channel positions : L R ) v^;"q"  
    Sampling rate : 44.1 KHz \*k}RKDwT  
    Resolution : 16 bits nRlvW{p;  
    Video delay : -83ms k874tD  
    Title : Cantonese粵語 q\a'pp9d  
    Language : Chinese t^-yK;`?q:  
  Audio #3 "]0sR  
    ID : 3 0x]W W|se*  
    Format : AAC 3,RaM^5dV  
    Format/Info : Advanced Audio Codec p8a \> {  
    Format version : Version 4 %>Y86>mVz  
    Format profile : LC RkuPMs Hw;  
    Format settings, SBR : Yes MC&sM-/  
    Format settings, PS : No O+Qt8,  
    Codec ID : A_AAC tW |K\NL  
    Duration : 26mn 54s 9>na3ISh  
    Channel(s) : 2 channels +Pm yFJH  
    Channel positions : L R s j{i  
    Sampling rate : 44.1 KHz pv #uLo  
    Resolution : 16 bits yDW$v/j.|  
    Video delay : -83ms {(MC]]'?  
    Title : 日語 8rx"D`{|  
    Language : Japanese
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==============================================================
顶端 Posted: 2011-05-17 11:21 | [楼 主]
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