比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
DOU\X N [email protected]s 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。
ZL1[Khr,s 所以,要點樣壓縮到好似前者一樣?
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~XkU nBGk %NM 8 唔改變解像度,只改變碼率,應如何做?
eT}c_h) c1MALgK~}\ 2,NQ(c_c$ 《死神》 $+7MY-9T General #\t?`\L3
Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv NbG3^(
Format : Matroska ?N $
File size : 280 MiB 5&+
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2b
Duration : 24mn 7s
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Overall bit rate : 1 621 Kbps uWi+F)GS^K
Encoded date : UTC 2011-05-03 17:33:29 WBTX~%*U
Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 oryoGy=(yk
Writing library : libebml v0.7.9 + libmatroska v0.8.1 _~5{l_v|I
Video #1 qBKIl=
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ID : 1 z#bOFVg#
Format : AVC ]hL 1qS
Format/Info : Advanced Video Codec Ngh9+b6[
Format profile : [url=mailto:[email protected]][email protected][/url] >RF[0s'-
Format settings, CABAC : Yes ,$W7Q
Format settings, ReFrames : 8 frames ,Iwri\
Muxing mode : Container [email protected] 0gfa7+Y
Codec ID : V_MPEG4/ISO/AVC ",`fGu )
Duration : 23mn 55s /e#_Yg
Nominal bit rate : 1 500 Kbps IqcPml{\
Width : 1 280 pixels m3P%E8<Q#
Height : 720 pixels e!
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Display aspect ratio : 16:9 aq,&W
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Frame rate : 23.810 fps ,R ]]]7)+
Original frame rate : 23.976 fps )bw^!w)
Resolution : 24 bits
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Colorimetry : 4:2:0 >vt#,8VAN
Scan type : Progressive GT<Y]Dk
Bits/(Pixel*Frame) : 0.068 C&Ow*~
Writing library : x264 core 98 r1629 2e81ce1 mY#[D;mUe
Encoding settings : cabac=1 / ref=8 / deblock=1:0:0 / analyse=0x3:0x133 / me=umh / subme=7 / psy=1 / psy_rd=1.00:0.00 / mixed_ref=1 / me_range=16 / chroma_me=1 / trellis=2 / 8x8dct=1 / cqm=0 / deadzone=21,11 / fast_pskip=0 / chroma_qp_offset=-2 / threads=1 / sliced_threads=0 / nr=0 / decimate=1 / interlaced=0 / constrained_intra=0 / bframes=6 / b_pyramid=2 / b_adapt=2 / b_bias=0 / direct=3 / weightb=1 / weightp=0 / keyint=240 / keyint_min=24 / scenecut=40 / intra_refresh=0 / rc_lookahead=40 / rc=2pass / mbtree=1 / bitrate=1500 / ratetol=1.0 / qcomp=0.60 / qpmin=10 / qpmax=51 / qpstep=4 / cplxblur=20.0 / qblur=0.5 / vbv_maxrate=3486 / vbv_bufsize=3487 / ip_ratio=1.40 / aq=1:0.50 / nal_hrd=none V5qvH"^
Audio #2 mNWmp_c,1
ID : 2 0[);v/@Ho
Format : AAC WTSY:kvcCY
Format/Info : Advanced Audio Codec <;phc~0+
Format version : Version 4 n M,m#"AI
Format profile : LC #B;` T[
Format settings, SBR : No HiILJyb
Codec ID : A_AAC n"(n*Hf7b
Duration : 24mn 7s J$j&j`
Channel(s) : 2 channels E6y/,s^~S_
Channel positions : L R %Kd8ZNv
Sampling rate : 44.1 KHz ?dC[VYC\^
Resolution : 16 bits v^H
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Text #3 >.\G/'\?
ID : 3 e7>)Z
Format : ASS ZgZ}^x
Codec ID : S_TEXT/ASS fn&gM\<-+(
Codec ID/Info : Advanced Sub Station Alpha
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Text #4 v>~ottQ|
ID : 4 j K$4G.x
Format : ASS %0Ulh6g;Dt
Codec ID : S_TEXT/ASS gmj
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Codec ID/Info : Advanced Sub Station Alpha |t4k&Dkx` 9c=Y+=< =============================================
;=5V)1~i1; -EF(J 《GPX》 =yz#L@\! General {QM;%
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Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv e,Gv~ae9
Format : Matroska ]i8K )/
File size : 320 MiB lqF{Y<l
Duration : 26mn 54s N`8!h:yL
Overall bit rate : 1 663 Kbps P9B@2
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Encoded date : UTC 2011-05-16 14:48:07 69dFd!G\
Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 ,b-wo
Writing library : libebml v1.0.0 + libmatroska v1.0.0 = EyxM
Video #1 Ua5m2&U