比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
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sk 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。
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K#A 所以,要點樣壓縮到好似前者一樣?
rFf:A-#l cZ6?P`X 唔改變解像度,只改變碼率,應如何做?
<}<#W/ ThjUiuWe >s;oOo+5 《死神》 )ZQHa7V General `Q:de~+AM{
Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv +G<}
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Format : Matroska E7V38Z
File size : 280 MiB s4x'f$r
Duration : 24mn 7s YI L'YNH
Overall bit rate : 1 621 Kbps sGXp}{E9
Encoded date : UTC 2011-05-03 17:33:29 rd XCWK$E
Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 \'^Z_6{w
Writing library : libebml v0.7.9 + libmatroska v0.8.1 ^)0{42!]
Video #1 6'sFmC
ID : 1 >G3J3P(
Format : AVC yg[Oy
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Format/Info : Advanced Video Codec `bi_)i6Low
Format profile : [url=mailto:[email protected]][email protected][/url] *
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Format settings, CABAC : Yes Mb/6>
Format settings, ReFrames : 8 frames . =foXN
Muxing mode : Container [email protected] %Pvb>U(Xs
Codec ID : V_MPEG4/ISO/AVC m{y
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Duration : 23mn 55s hjp
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Nominal bit rate : 1 500 Kbps ^CZ|ci6bX
Width : 1 280 pixels yI|?iBc7nC
Height : 720 pixels m"m;(T{ v
Display aspect ratio : 16:9 +&zuI
Frame rate : 23.810 fps u(G;57ms
Original frame rate : 23.976 fps %Ja{IWz9L
Resolution : 24 bits _.8]7f`*Gc
Colorimetry : 4:2:0 ]3#
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Scan type : Progressive ]}Hv,a
Bits/(Pixel*Frame) : 0.068 x 3co?
Writing library : x264 core 98 r1629 2e81ce1 r_<i*l.
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 C%o/
Audio #2 "N:]d*A\
ID : 2 WoG
Format : AAC 8;Bwz RtgT
Format/Info : Advanced Audio Codec :;u]Y7
Format version : Version 4 Tu#k+f*s
Format profile : LC tfIBsw.
Format settings, SBR : No (S 3kP5:F
Codec ID : A_AAC 7n/I'r
Duration : 24mn 7s Bq=](<>>
Channel(s) : 2 channels ;8Q?`=a
Channel positions : L R X
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Sampling rate : 44.1 KHz I{UB!0H
Resolution : 16 bits `.Q3s?1F
Text #3 Os]M$c_88
ID : 3 .5 r0%
Format : ASS *Z(C')7r
Codec ID : S_TEXT/ASS 4nXS9RiF2
Codec ID/Info : Advanced Sub Station Alpha Q#bo!]H{t
Text #4 Z'M@DY/fdK
ID : 4 E*"E{E7
Format : ASS =v"{EmT[$
Codec ID : S_TEXT/ASS \zDV|n~{w
Codec ID/Info : Advanced Sub Station Alpha $l"(tB7d ds[~Cp =============================================
0kEq|k9 (G'ddZAJV 《GPX》 N=x,96CF General cne[-E
Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv 7nIMIkT:
Format : Matroska Z)~4)71Y:
File size : 320 MiB Pk2"\y@q/
Duration : 26mn 54s |Q+v6r(<zZ
Overall bit rate : 1 663 Kbps >r Glj
Encoded date : UTC 2011-05-16 14:48:07 %%u4('=
Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 pYQs|5d
Writing library : libebml v1.0.0 + libmatroska v1.0.0 ,^T2hY`
Video #1 }DwXs` M7
ID : 1 @UBp;pb}=h
Format : AVC W`kgYGnFG
Format/Info : Advanced Video Codec Rh^$0Q*2
Format profile : [url=mailto:[email protected]][email protected][/url] z""(M4
Format settings, CABAC : Yes P
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Format settings, ReFrames : 2 frames B dUyI_Ks:
Muxing mode : Container [email protected] mZ%\`H+
Codec ID : V_MPEG4/ISO/AVC 7Q&P4{hi0
Duration : 26mn 52s >~:]+q
Width : 640 pixels _9dV
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Height : 480 pixels ]a()siT
Display aspect ratio : 4:3 rL/+`H
Frame rate : 23.976 fps E&AR=y
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Original frame rate : 11.988 fps _
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Resolution : 24 bits Z9y:}:j"
Colorimetry : 4:2:0 MmB-SR[>P
Scan type : Progressive |m%&Qb
Writing library : x264 core 38 svn-341 9v A`\\9
Audio #2
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ID : 2 a &j?"o
Format : AAC 3`y:W9!u
Format/Info : Advanced Audio Codec Ra5cfkH;
Format version : Version 4 \GN5Sy]r
Format profile : LC spf}{o
Format settings, SBR : Yes 0#ph1a<
Format settings, PS : No YZ}gZQ.A0
Codec ID : A_AAC KRQ/wuv
Duration : 26mn 54s :zCm$@
Channel(s) : 2 channels [g{}0[ew
Channel positions : L R j8b:+io
Sampling rate : 44.1 KHz #KwFrlZ
Resolution : 16 bits lZ|Ao0(
Video delay : -83ms pGC`HTo|
Title : Cantonese粵語 c:bB4ch}
Language : Chinese e1#}/U
Audio #3 W^x[maz
ID : 3 {"<Q?yA2y
Format : AAC f,$CiZ"
Format/Info : Advanced Audio Codec `yhL11]~
Format version : Version 4 |^=`ln!
Format profile : LC =\3*;59\
Format settings, SBR : Yes )z aMycW
Format settings, PS : No b~|B(lL6Xm
Codec ID : A_AAC 6};Sn/8
Duration : 26mn 54s A4#m&o