如题
Video Attribute :
Video compression mode : MPEG-2
TV system : 525/60 (NTSC)
Aspect Ratio : 4:3
Display Mode : reserved
Source picture resolution : 720x480 (525/60)
Frame Rate : 29.97
Source picture letterboxed : Not letterboxed
Bitrate : 9.80Mbps
Audio Attribute :
Audio Coding mode : Dolby Digital
Sampling Rate : 48kHz
Audio application mode : Not specified
Number of Audio channels : 2
Bitrate : 448 Kbps
Number of Audio streams : 1