比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
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($t 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。
9(5OeH6o? 所以,要點樣壓縮到好似前者一樣?
C":o/;,1 d8m6B6
CW 唔改變解像度,只改變碼率,應如何做?
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+L@ Mnz!nWhk 《死神》 ~5 *5 General 3q'&j,,^
Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv 1xbK'i:-S
Format : Matroska w7FW^6Zl
File size : 280 MiB /,X[k !
Duration : 24mn 7s *3&fqBg
Overall bit rate : 1 621 Kbps Ty<L8+B|
Encoded date : UTC 2011-05-03 17:33:29 h-m\% |D
Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 )*Q-.Je/U
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ID : 1 E6,4RuCK
Format : AVC Ojt`^r !V
Format/Info : Advanced Video Codec {O
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Format profile : [url=mailto:[email protected]][email protected][/url] s7l;\XBy
Format settings, CABAC : Yes h~(D@/tB
Format settings, ReFrames : 8 frames x)JOClLr
Muxing mode : Container [email protected] Cf:#(D
Codec ID : V_MPEG4/ISO/AVC V`RNM%Y
Duration : 23mn 55s GN0`rEh
Nominal bit rate : 1 500 Kbps PIWux{
Width : 1 280 pixels ]b= P=
Height : 720 pixels `d[1`P1i[
Display aspect ratio : 16:9 [email protected]m%g
Frame rate : 23.810 fps GHHav12][
Original frame rate : 23.976 fps 2Y>~k{AN%
Resolution : 24 bits Udc=,yo3Qm
Colorimetry : 4:2:0 z9p05NFH
Scan type : Progressive Y)$ ;Ax-D
Bits/(Pixel*Frame) : 0.068 OKP9CLg9
Writing library : x264 core 98 r1629 2e81ce1 z)xSN;x
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 \o
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Audio #2 \2(SB
ID : 2 =Me5ftw
Format : AAC #_|sgS?1
Format/Info : Advanced Audio Codec GV^i`r^"
Format version : Version 4 TeWMp6u,r
Format profile : LC 9XHz-+bQ
Format settings, SBR : No tU^kQR!
Codec ID : A_AAC eXkujjSw"
Duration : 24mn 7s cPl`2&p
Channel(s) : 2 channels u- o--q
Channel positions : L R Zo}y(N1K}
Sampling rate : 44.1 KHz xy<`#
Resolution : 16 bits {w8 NN-n
Text #3 )OLq_':^@
ID : 3 }HG#s4
Format : ASS X<MO7I
Codec ID : S_TEXT/ASS 1N\D5g3
Codec ID/Info : Advanced Sub Station Alpha 6SC,;p=
Text #4 %+F"QI1~0
ID : 4 3-%Cw2ds
Format : ASS {0@&OO:w
Codec ID : S_TEXT/ASS >?]_<:
Codec ID/Info : Advanced Sub Station Alpha c.|l-zAeX _oB_YL;,* =============================================
`T2$4 >! `' 153M] 《GPX》 YxGcFjJ General ZO7&vF}
Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv NJ MJ
Format : Matroska tj*y)28-
File size : 320 MiB Z Dhx5SL&
Duration : 26mn 54s LrCk*@
Overall bit rate : 1 663 Kbps Gs
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Encoded date : UTC 2011-05-16 14:48:07 m))<!3
Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 4<X!<]3]
Writing library : libebml v1.0.0 + libmatroska v1.0.0 5 #]4YI;
Video #1 L!'k !k
ID : 1 OI0B:()
Format : AVC O3N_\B:
Format/Info : Advanced Video Codec J RPSvP\
Format profile : [url=mailto:[email protected]][email protected][/url] >qo~d?+
Format settings, CABAC : Yes ;XC@=RpX
Format settings, ReFrames : 2 frames D\~e&0*
Muxing mode : Container [email protected] o+?rI
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Codec ID : V_MPEG4/ISO/AVC A
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Duration : 26mn 52s
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Width : 640 pixels e9^2,:wLB
Height : 480 pixels >~\w+^2f8
Display aspect ratio : 4:3 '(#g1H3
Frame rate : 23.976 fps up%Z$"Y
Original frame rate : 11.988 fps i
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Resolution : 24 bits Y& ] 8 {
Colorimetry : 4:2:0 S)A'Y]2X
Scan type : Progressive 6`$[Ini
Writing library : x264 core 38 svn-341 S='syq>Aok
Audio #2 nN3$\gHp8i
ID : 2
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Format : AAC [rreFSy#@
Format/Info : Advanced Audio Codec m=b~i^@
Format version : Version 4 cUK\x2
Format profile : LC cgj.e
Format settings, SBR : Yes fA^7^0![
Format settings, PS : No q9dLHi<1
Codec ID : A_AAC l9/:FiJ_
Duration : 26mn 54s z8Q"%@
Channel(s) : 2 channels 2D([Z -<i
Channel positions : L R ~E=\t9r
Sampling rate : 44.1 KHz m]IysyFFK
Resolution : 16 bits {6x PdUhw
Video delay : -83ms ex?\c"
Title : Cantonese粵語 TK>{qxt:=
Language : Chinese 8,o17}NY,
Audio #3 idJh^YD
ID : 3 qSQ
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Format : AAC bj"z8 kP
Format/Info : Advanced Audio Codec >Wh3MG6
Format version : Version 4 2W3W/> 2h
Format profile : LC Zj-BuE&@f
Format settings, SBR : Yes H2E
b\v`#
Format settings, PS : No 7CrpUh
Codec ID : A_AAC M^H90GN)X
Duration : 26mn 54s 74zSP/G'
Channel(s) : 2 channels hXX1<~k
Channel positions : L R Qg0vG]
Sampling rate : 44.1 KHz 6~Wu`
Resolution : 16 bits lu
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Video delay : -83ms p
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Title : 日語 m{&w{3pQk
Language : Japanese ">6&+^BN' O}gX{_|6 ==============================================================