比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
OsqNB'X K2{aNvR)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。
pO7Zs 所以,要點樣壓縮到好似前者一樣?
iK5_u2]Q
9QQyl\ 唔改變解像度,只改變碼率,應如何做?
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x3 > /w (e 《死神》 |~!U4D\ General t] aea*B
Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv qIIJ4n
Format : Matroska 8CbXMT
File size : 280 MiB F@ Swe
Duration : 24mn 7s (wRgus
Overall bit rate : 1 621 Kbps 6$\jAd
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Encoded date : UTC 2011-05-03 17:33:29 .8(OT./
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ID : 1 ag-f{UsTy
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Format/Info : Advanced Video Codec nKa$1RMO
Format profile : [url=mailto:[email protected]][email protected][/url] f>`dF?^6
Format settings, CABAC : Yes 1y#D?R=E
Format settings, ReFrames : 8 frames 3cdTed-MIh
Muxing mode : Container [email protected] EU7|,>a
Codec ID : V_MPEG4/ISO/AVC V!v:]E
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Width : 1 280 pixels jhu 07HX_
Height : 720 pixels kQ1w5mCh
Display aspect ratio : 16:9 7lV.[&aKW
Frame rate : 23.810 fps %yBB?cp+_
Original frame rate : 23.976 fps #7ohQrP
Resolution : 24 bits [e[<p\]
Colorimetry : 4:2:0 ?POUtRN
Scan type : Progressive @,Gxk
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Writing library : x264 core 98 r1629 2e81ce1 Gmwf4>"
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 A, 3bC
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ID : 2 }>)[<;M>%
Format : AAC wLK07e(
Format/Info : Advanced Audio Codec *na?n2Yzt
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Format settings, SBR : No Mmpfto%i
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Duration : 24mn 7s iQDx{m3]
Channel(s) : 2 channels V"c
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Channel positions : L R =[b)1FUp
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Codec ID : S_TEXT/ASS ,eTU/Q>{,&
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D$t k<{)oB :POj6j/ 《GPX》 ^0/j0]O General phM>.y_
Complete name : F:\Video\1992.新世紀GPX.高智能一級方程式Ⅱ-DoubleOne\02_.mkv !pD*p)`s
Format : Matroska 0u\GO;
File size : 320 MiB >=[(^l
Duration : 26mn 54s ZYC<Wb)I
Overall bit rate : 1 663 Kbps ]]zPq<b2
Encoded date : UTC 2011-05-16 14:48:07 xlQBe-Wg
Writing application : mkvmerge v4.3.0 ('Escape from the Island') 编译于 Sep 5 2010 10:30:51 )c `7( nY
Writing library : libebml v1.0.0 + libmatroska v1.0.0 z11O
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Video #1 r-:Uz\gM
ID : 1
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Format : AVC ~]QHk?[wc
Format/Info : Advanced Video Codec nDHTV!]<
Format profile : [url=mailto:[email protected]][email protected][/url] oH_;4QU4y
Format settings, CABAC : Yes =3L;Z[^9
Format settings, ReFrames : 2 frames =weSyZ1~
Muxing mode : Container [email protected] -3Hy*1A.
Codec ID : V_MPEG4/ISO/AVC Mnscb
Duration : 26mn 52s zG(\+4GE!
Width : 640 pixels 2nR[Xh?L
Height : 480 pixels
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Display aspect ratio : 4:3 ZzSz%z_sE
Frame rate : 23.976 fps 8uWa=C)
Original frame rate : 11.988 fps 0tXS3+@n=
Resolution : 24 bits "'t0h{Wr8
Colorimetry : 4:2:0 .>WxDQIo
Scan type : Progressive abyo4i5T
Writing library : x264 core 38 svn-341 ; #&yn=^
Audio #2 XT4{Pe7{[P
ID : 2 Le\?+h42>
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Channel(s) : 2 channels MB]<Dyj,
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Video delay : -83ms fTK3,s1=
Title : Cantonese粵語 ?`PvL!'
Language : Chinese lE4HM$p
Audio #3 $w`=z<2yo1
ID : 3 =`H@%
Format : AAC 'F9 jq
Format/Info : Advanced Audio Codec tM'P m
Format version : Version 4 ,,q10iF
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Format settings, SBR : Yes Xg;}R:g '
Format settings, PS : No }khV'6"'|
Codec ID : A_AAC KV0]m^@x
Duration : 26mn 54s ZzJ?L4J5v
Channel(s) : 2 channels |l]XpWV
Channel positions : L R V<T9&8l+:
Sampling rate : 44.1 KHz ^LoUi1j
Resolution : 16 bits 6\q]rfQ
Video delay : -83ms Ezd_`_@R
Title : 日語 D$I5z.a
Language : Japanese b?tB(if
!I @~"h62=]
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