比較下面兩集動畫。前者1280x720,比後者640x480嘅SIZE重要細。
0b!fWS?,k0 Nj! R9N 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。
":5~L9&G 所以,要點樣壓縮到好似前者一樣?
r>n8`W "Wzij&WkQ 唔改變解像度,只改變碼率,應如何做?
p?EEox aTmX!! Zb5T90s% 《死神》 ,i1 fv
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Complete name : F:\Video\[jumpcn][BLEACH][320][1280x720].mkv Py( w T%w
Format : Matroska 3?-V>-[G_
File size : 280 MiB F5b]/;|
Duration : 24mn 7s p1[WGeV
Overall bit rate : 1 621 Kbps B{=,VwaP_
Encoded date : UTC 2011-05-03 17:33:29 6'3Ey'drH
Writing application : mkvmerge v2.9.9 ('Tutu') built on Nov 25 2009 21:13:32 dA3`b*nC
Writing library : libebml v0.7.9 + libmatroska v0.8.1 /jn:e"0~
Video #1 ,58kjTM
ID : 1 @pyA;>U
Format : AVC 74</6T]^
Format/Info : Advanced Video Codec ^;v.ytO*
Format profile : [url=mailto:[email protected]][email protected][/url] *GY,h$Ul
Format settings, CABAC : Yes J\,@Bm|1n{
Format settings, ReFrames : 8 frames X F
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Muxing mode : Container [email protected] r)*_,Fo|
Codec ID : V_MPEG4/ISO/AVC zXA= se0U
Duration : 23mn 55s [bQ8A(u
Nominal bit rate : 1 500 Kbps k;9#4^4(
Width : 1 280 pixels O;.d4pO(tC
Height : 720 pixels u!156X?[eU
Display aspect ratio : 16:9 3M5=@Fwkr
Frame rate : 23.810 fps vErbX3RY2
Original frame rate : 23.976 fps Tg}H < T
Resolution : 24 bits
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Colorimetry : 4:2:0 f]^ J,L9qz
Scan type : Progressive #EwRb<'Em
Bits/(Pixel*Frame) : 0.068 l-JKcsM
Writing library : x264 core 98 r1629 2e81ce1 '
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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 **
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Audio #2 W"DxIy
ID : 2 s`dkEaS
Format : AAC )xXrs^
Format/Info : Advanced Audio Codec $txWVjR?\
Format version : Version 4 wZ#~+ }T
Format profile : LC {;wK,dU
Format settings, SBR : No $ET/0v"V
Codec ID : A_AAC k/6Gj}l'o
Duration : 24mn 7s "1\RdTw
Channel(s) : 2 channels ^!{ o Azy9
Channel positions : L R 6 I>xd
Sampling rate : 44.1 KHz h_}BmJ h_
Resolution : 16 bits $(!D/bvJ
Text #3 Y?q*hS0!H
ID : 3 WH
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Format : ASS e=NQY8?
Codec ID : S_TEXT/ASS m78MWz]Yo
Codec ID/Info : Advanced Sub Station Alpha TbSt{TX
Text #4 <CdG[Ih
ID : 4 S
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Format : ASS +RKE|*y
Codec ID : S_TEXT/ASS 3]5&&=#
Codec ID/Info : Advanced Sub Station Alpha (*@~HF,t= Qc)RrqYNGF =============================================
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