比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
e' Zg F~ B4b UcYk 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。
K,R Ia0) 所以,要點樣壓縮到好似前者一樣?
D,7! /u' #8`G&S* 唔改變解像度,只改變碼率,應如何做?
R'F|z{8 cr!I"kTgD QEVjXJOt0 《死神》 R =jK3yfw General A
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Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv %8ul}}d9
Format : Matroska |`|b&Rhu
File size : 280 MiB ;R67a
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Duration : 24mn 7s 0QPipuP
Overall bit rate : 1 621 Kbps ed{9UJWh
Encoded date : UTC 2011-05-03 17:33:29 XH. _Z
Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 ."lY>(HJ
Writing library : libebml v0.7.9 + libmatroska v0.8.1 ED6H
Video #1 Q.N^1?(>k
ID : 1 WgIVhj
Format : AVC a}fW3+>
Format/Info : Advanced Video Codec <sTaXaq?
Format profile : [url=mailto:[email protected]][email protected][/url] T4UY%E!0
Format settings, CABAC : Yes Y}Ov`ZM!r
Format settings, ReFrames : 8 frames &8 (2U-
Muxing mode : Container [email protected] G0^PnE0-
Codec ID : V_MPEG4/ISO/AVC f ZISwr
Duration : 23mn 55s _E~uuFMn*R
Nominal bit rate : 1 500 Kbps OS!47Z /q
Width : 1 280 pixels ]/a
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Height : 720 pixels # WxH
Display aspect ratio : 16:9 c(~M<nL0
Frame rate : 23.810 fps 5E%W;$3Pb
Original frame rate : 23.976 fps HiWZ?G
Resolution : 24 bits
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Colorimetry : 4:2:0 o;O_N^_W
Scan type : Progressive B<oi,S
Bits/(Pixel*Frame) : 0.068 Ywni2-)<
Writing library : x264 core 98 r1629 2e81ce1 3w-0v"j U
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 mF_/Rhu
Audio #2 $q+7,,"
ID : 2
snK/,lm.
Format : AAC [Nq4<NK
Format/Info : Advanced Audio Codec H 95V
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Format version : Version 4 hIdGQKr>V
Format profile : LC 9KP+
Format settings, SBR : No x&f?c=\F
Codec ID : A_AAC >1r>cZn
Duration : 24mn 7s 7#RW4ZM
Channel(s) : 2 channels Ghj6&K%b0
Channel positions : L R ,^'Y7"
Sampling rate : 44.1 KHz KL xg
Resolution : 16 bits \UiuJ+
Text #3 H: U_k68
ID : 3 "XH]B
Format : ASS TEYbB=.
Codec ID : S_TEXT/ASS 86I".R$d
Codec ID/Info : Advanced Sub Station Alpha >
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Text #4 xv)7-jlx
ID : 4 !is8`8F8
Format : ASS ZpwB"%e$
Codec ID : S_TEXT/ASS G1D(-X4ALZ
Codec ID/Info : Advanced Sub Station Alpha Um|:AT}`^ { u;ntDr =============================================
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UC X4o8 《GPX》 l[ L{m7 General T"2ye9a
Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv 'r-a:8:t^
Format : Matroska kAAz|dhL-
File size : 320 MiB h\yYg' CC
Duration : 26mn 54s ^EB}e15"
Overall bit rate : 1 663 Kbps 5tf/VT
Encoded date : UTC 2011-05-16 14:48:07 m7eO T
Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 O[N{&\$
Writing library : libebml v1.0.0 + libmatroska v1.0.0 s*VZLKO
Video #1 Hj5b.fB
ID : 1 a MzAA
Format : AVC ZGS=;jM
Format/Info : Advanced Video Codec F6fm{
Format profile : [url=mailto:[email protected]][email protected][/url] F'Wef11Yz
Format settings, CABAC : Yes ){6;o&CC:
Format settings, ReFrames : 2 frames Z,!Rj7wZ
Muxing mode : Container [email protected] 8]0R[kjD
Codec ID : V_MPEG4/ISO/AVC ,
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Duration : 26mn 52s M#:Mwa$
Width : 640 pixels \Oc3rJ(
Height : 480 pixels 4u
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Display aspect ratio : 4:3 Y#Hf\8r,d
Frame rate : 23.976 fps > sUk6Z~
Original frame rate : 11.988 fps al^ yCoB
Resolution : 24 bits _)
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Colorimetry : 4:2:0 94n,13
Scan type : Progressive jdhhvoQ
Writing library : x264 core 38 svn-341 ~#gVs*K
Audio #2 r<"1$K~Ka
ID : 2 Kyv$yf9
Format : AAC $H5Xa[
Format/Info : Advanced Audio Codec GSMP)8W
Format version : Version 4 LNr2YRpyz
Format profile : LC 8I@_
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Format settings, SBR : Yes `OBDx ^6F
Format settings, PS : No $#0%gs/x
Codec ID : A_AAC =LuA[g
Duration : 26mn 54s $ccI(J`zux
Channel(s) : 2 channels V{(ve#y7`{
Channel positions : L R A
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Sampling rate : 44.1 KHz T,;6q
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Resolution : 16 bits inp= -
Video delay : -83ms ;8UNM
Title : Cantonese粵語 `f b}cJUa
Language : Chinese &oAuh?kTq
Audio #3 jtd{=[STU
ID : 3 \n /_Px
Format : AAC 8 2_3|T
Format/Info : Advanced Audio Codec PI }A')Nq.
Format version : Version 4 ^D\#*pIO
Format profile : LC ~(FyGB}
Format settings, SBR : Yes ]0\8g=KK
Format settings, PS : No SA}]ZK P
Codec ID : A_AAC MF=@PE][
Duration : 26mn 54s W~gFY#w
Channel(s) : 2 channels sYe
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Channel positions : L R vZ|m3;X
Sampling rate : 44.1 KHz `m3C\\9;
Resolution : 16 bits -N9U lW2S
Video delay : -83ms
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Title : 日語 2&P'rmFm
Language : Japanese fLPB *y6 n|{x\@VeF ==============================================================