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视频素材详情：

General
Complete name : F:\国外素材网\超清4K\4K中国研发芯片的决定和速度视频素材完整版.mp4
Format : MPEG-4
Format profile : Base Media
Codec ID : isom (isom/iso2/avc1/mp41)
File size : 1.46 GiB
Duration : 19 min 49 s
Overall bit rate mode : Variable
Overall bit rate : 10.5 Mb/s
Writing application : Lavf58.29.100

Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : High@L5.1
Format settings : CABAC / 3 Ref Frames
Format settings, CABAC : Yes
Format settings, Reference fra : 3 frames
Codec ID : avc1
Codec ID/Info : Advanced Video Coding
Duration : 19 min 49 s
Bit rate mode : Variable
Bit rate : 10.4 Mb/s
Maximum bit rate : 6 000 kb/s
Width : 3 840 pixels
Height : 2 160 pixels
Display aspect ratio : 16:9
Frame rate mode : Constant
Frame rate : 23.976 (24000/1001) FPS
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.052
Stream size : 1.44 GiB (99%)
Codec configuration box : avcC

Audio
ID : 2
Format : AAC LC
Format/Info : Advanced Audio Codec Low Complexity
Codec ID : mp4a-40-2
Duration : 19 min 49 s
Duration_LastFrame : -4 ms
Bit rate mode : Constant
Bit rate : 128 kb/s
Channel(s) : 2 channels
Channel layout : L R
Sampling rate : 44.1 kHz
Frame rate : 43.066 FPS (1024 SPF)
Compression mode : Lossy
Stream size : 18.1 MiB (1%)