作者newline (漫长的等待与相遇)
看板AVEncode
标题[请问] 比较两影像档的优劣
时间Thu Jun 17 19:13:46 2010
手边刚好有一样的影片 但两种档案大小却差一倍
想比较两者的优劣
因为大部分我看不懂 所以来这里请教高手
我好奇的是
B档案虽然大一倍 但解析度却是6.75倍 FSP却少一些
Bits/(Pixel*Frame)竟只有A的1/3 音讯也只有128K
到底该蒐藏哪个呢?
明明B比较清楚 可是A又好像必较好?
感谢
A General
Complete name :
Format : Windows Media
File size : 116 MiB
Duration : 3mn 57s
Overall bit rate mode : Constant
Overall bit rate : 4097 Kbps
Maximum Overall bit rate : 4163 Kbps
Encoded date : UTC 2009-05-06 00:36:32.750
B General
Complete name :
Format : AVI
Format/Info : Audio Video Interleave
File size : 236 MiB
Duration : 4mn 1s
Overall bit rate : 8203 Kbps
Writing application : GOM Encoder (GAviWriter 1.0)
A Video #2
ID : 2
Format : VC-1
Format profile : MP@ML
Codec ID : WMV3
Codec ID/Info : Windows Media Video 9
Codec ID/Hint : WMV3
Description of the codec : Windows Media Video 9 - Professional
Duration : 3mn 57s
Bit rate mode : Constant
Bit rate : 4 000 Kbps
Width : 640 pixels
Height : 480 pixels
Display aspect ratio : 4:3
Frame rate : 29.970 fps
Resolution : 24 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.434
Stream size : 113 MiB (98%)
Language : Korean
B Video #0
ID : 0
Format : MPEG-4 Visual
Format profile : Simple@L1
Format settings, BVOP : No
Format settings, QPel : No
Format settings, GMC : No warppoints
Format settings, Matrix : Default (H.263)
Codec ID : XVID
Codec ID/Hint : XviD
Duration : 4mn 1s
Bit rate : 7 998 Kbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate : 23.976 fps
Resolution : 24 bits
Colorimetry : 4:2:0
Scan type : Progressive
Bits/(Pixel*Frame) : 0.161
Stream size : 230 MiB (98%)
Writing library : Lavc51.40.4
A Audio #1
ID : 1
Format : WMA2
Format profile : L2
Codec ID : 161
Codec ID/Info : Windows Media Audio 2
Description of the codec : Windows Media Audio 9.1 - 128 kbps, 48 kHz,
stereo (A/V) 1-pass CBR
Duration : 3mn 57s
Bit rate mode : Constant
Bit rate : 128 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Resolution : 16 bits
Stream size : 3.62 MiB (3%)
Language : Korean
B Audio #1
ID : 1
Format : MPEG Audio
Format version : Version 1
Format profile : Layer 3
Codec ID : 55
Codec ID/Hint : MP3
Duration : 4mn 1s
Bit rate mode : Constant
Bit rate : 192 Kbps
Channel(s) : 2 channels
Sampling rate : 48.0 KHz
Resolution : 16 bits
Stream size : 5.52 MiB (2%)
Alignment : Aligned on interleaves
Interleave, duration : 24 ms (0.58 video frame)
Interleave, preload duration : 24 ms
Writing library : LAME3.97 (beta)
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◆ From: 211.76.49.221
1F:推 katy50306:B吧... 06/17 19:22
2F:推 keying:B 06/18 17:16
3F:推 kcl0801:你是不是看错了 A才是128K 再说档案大小跟解析度大小又不 06/18 17:58
4F:→ kcl0801:一定会相等 用这个来判断实在很奇怪 我选B 06/18 17:58
5F:推 norton159:B 06/18 20:02