很难想象在8bit，avc编码（H.264标准）下总共332秒的MV会有这么大的体积，其中音轨文件仅有55.9兆。


General
Complete name : D:\LadyAntebellum\Need You Now\Lady Antebellum - Hello World MV.mov
Format : QuickTime
Format/Info : Original Apple specifications
File size : 2.19 GiB
Duration : 5mn 32s
Overall bit rate : 56.6 Mbps
Encoded date : UTC 2010-10-27 19:53:11
Tagged date : UTC 2010-10-27 20:09:28
Writing library : Apple QuickTime
Video
ID : 2
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L5.1
Format settings, CABAC : No
Format settings, ReFrames : 2 frames
Format settings, GOP : M=1, N=60
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 5mn 32s
Bit rate : 56.1 Mbps
Width : 1 920 pixels
Height : 1 080 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 29.970 (29970/1000) fps
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.902
Stream size : 2.14 GiB (97%)
Language : English
Encoded date : UTC 2010-10-27 19:53:11
Tagged date : UTC 2010-10-27 20:09:28
Color range : Limited
Color primaries : BT.709
Transfer characteristics : BT.709
Matrix coefficients : BT.709
Audio
ID : 1
Format : PCM
Format settings, Endianness : Big
Format settings, Sign : Signed
Codec ID : twos
Duration : 5mn 32s
Bit rate mode : Constant
Bit rate : 1 411.2 Kbps
Channel(s) : 2 channels
Sampling rate : 44.1 KHz
Bit depth : 16 bits
Stream size : 55.9 MiB (2%)
Language : English
Encoded date : UTC 2010-10-27 19:53:11
Tagged date : UTC 2010-10-27 20:09:28
Other
ID : 3
Type : Time code
Format : QuickTime TC
Duration : 5mn 32s
Time code of first frame : 01:52:04;02
Time code, striped : Yes
Language : English
Encoded date : UTC 2010-10-27 20:09:28
Tagged date : UTC 2010-10-27 20:09:28