比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
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: 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。
EGt)tI& 所以,要點樣壓縮到好似前者一樣?
FdqUv%(Em 8xX{y# 唔改變解像度,只改變碼率,應如何做?
)/JC.d# E$wB bm h CiblM 《死神》 6xe
|L General S!]}}fKEFm
Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv t]ZSo-
Format : Matroska 0d2%CsMS"D
File size : 280 MiB t|m3b~Oyv
Duration : 24mn 7s 'nno)kQ"
Overall bit rate : 1 621 Kbps ;gyE5n-{
Encoded date : UTC 2011-05-03 17:33:29 b+hY^$//
Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 |(<L!6
Writing library : libebml v0.7.9 + libmatroska v0.8.1 'zb7:[[7%
Video #1 a?kQ2<@g
ID : 1 +=_Pl7?
Format : AVC X@)lPr$
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Format/Info : Advanced Video Codec 2$91+N*w9
Format profile : [url=mailto:[email protected]][email protected][/url] f/x "yUq
Format settings, CABAC : Yes 1 W u
Format settings, ReFrames : 8 frames Ydx5kUJV<
Muxing mode : Container [email protected] UQ)}i7v
Codec ID : V_MPEG4/ISO/AVC hA8 zXk/'8
Duration : 23mn 55s &}cie
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Nominal bit rate : 1 500 Kbps t/Fe"T[,V
Width : 1 280 pixels UU;:x"4
Height : 720 pixels ht|r+v-
Display aspect ratio : 16:9 >`:+d'Jv0
Frame rate : 23.810 fps YUE[eD/
Original frame rate : 23.976 fps qo;\dp1
Resolution : 24 bits FScQS.qF
Colorimetry : 4:2:0 ?>Aff`dHY
Scan type : Progressive "x)DE,
Bits/(Pixel*Frame) : 0.068 [XXN0+ /
Writing library : x264 core 98 r1629 2e81ce1 q*OKA5
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 J.nq[/Q=
Audio #2 q~n2VU4L*
ID : 2 m"R(_E
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Format : AAC P]B
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Format/Info : Advanced Audio Codec Os{qpR^<I:
Format version : Version 4 +mQSlEo
Format profile : LC pQNFH)=nw
Format settings, SBR : No Ie"R,,c
Codec ID : A_AAC F
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Duration : 24mn 7s R=PzR;8
Channel(s) : 2 channels jGn^<T\
Channel positions : L R nQ\k{%Q
Sampling rate : 44.1 KHz 3U)8P6Fz
Resolution : 16 bits kdCOcJB
Text #3 s/M~RB!w
ID : 3 o2
Format : ASS wY#mL1dF
Codec ID : S_TEXT/ASS pC-OZ0
Codec ID/Info : Advanced Sub Station Alpha p0K;m%
Text #4 p/h&_^EXU
ID : 4 ~-d.3A$u
Format : ASS OX4D'
Codec ID : S_TEXT/ASS )*ckJK
Codec ID/Info : Advanced Sub Station Alpha Q8?D}h cqx1NWlY =============================================
}=a4uCE 4Z}{hc\J 《GPX》 ItADO'M General l #Q`f.
Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv lIg2iun[n
Format : Matroska ;L2bC3
File size : 320 MiB @'@6vC
Duration : 26mn 54s pm\X*t}L
Overall bit rate : 1 663 Kbps }eM
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Encoded date : UTC 2011-05-16 14:48:07 BA,6f?ktXS
Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 s.' \&B[
Writing library : libebml v1.0.0 + libmatroska v1.0.0 Z@!W?Ed
Video #1 I&8m5F?$`
ID : 1 M%xL K7
Format : AVC s2~dmZ_B|_
Format/Info : Advanced Video Codec 'qAfei']
Format profile : [url=mailto:[email protected]][email protected][/url] r%d11[z
Format settings, CABAC : Yes a}fClI-u
Format settings, ReFrames : 2 frames +o]BjgG
Muxing mode : Container [email protected] 5Q` n6 x|
Codec ID : V_MPEG4/ISO/AVC (JW?azU
Duration : 26mn 52s KVxb"|[
Width : 640 pixels /T)n5X
Height : 480 pixels 493i*j5r)l
Display aspect ratio : 4:3 4iqmi<[("
Frame rate : 23.976 fps F|TMpH/
Original frame rate : 11.988 fps "R@N|Qx'
Resolution : 24 bits #Hi]&)p_
Colorimetry : 4:2:0 JWHt|zBg
Scan type : Progressive ;bZ*6-\!-
Writing library : x264 core 38 svn-341 1Uk~m
Audio #2 JyC&L6[]Z
ID : 2 Z&jb,eh2
Format : AAC '-33iG
Format/Info : Advanced Audio Codec -WvgK"k
Format version : Version 4 uhB!k-ir
Format profile : LC ApYud?0b
Format settings, SBR : Yes '<< ~wt
Format settings, PS : No %aBJ+V F
Codec ID : A_AAC < iI6@X>
Duration : 26mn 54s ++DQS9b{
Channel(s) : 2 channels y*h1W4:^-
Channel positions : L R V9u\;5oL
Sampling rate : 44.1 KHz 9zYiG3 d
Resolution : 16 bits 9,f<Nb(\
Video delay : -83ms !]+Z%ed`%
Title : Cantonese粵語 ,G|aLBn
Language : Chinese 5;8B!%b
Audio #3 X|E+K
ID : 3 rw[ {@|)'z
Format : AAC Du:p!nO
Format/Info : Advanced Audio Codec YQV?S
Format version : Version 4 <W59mweW#5
Format profile : LC 8<g#$(a_E
Format settings, SBR : Yes $?J+dB
Format settings, PS : No igBrmaY'
Codec ID : A_AAC V!77YFen %
Duration : 26mn 54s Y%:0|utQC
Channel(s) : 2 channels F4E3c4
81
Channel positions : L R lkH;N<U
Sampling rate : 44.1 KHz ct4 [b|
Resolution : 16 bits i4zV(
Video delay : -83ms 1"&;1Ts
Title : 日語 6$s0-{^
Language : Japanese D&l,SD UlNfI}#X ==============================================================