General
Complete name                            : Track04_Is it time for bed？.mp4
Format                                   : MPEG-4
Format profile                           : Base Media / Version 2
Codec ID                                 : mp42 (mp42/mp41)
File size                                : 321 MiB
Duration                                 : 20 min 59 s
Overall bit rate mode                    : Variable
Overall bit rate                         : 2 138 kb/s
Frame rate                               : 24.000 FPS
Encoded date                             : 2024-08-31 15:24:30 UTC
Tagged date                              : 2024-08-31 15:24:32 UTC
TIM                                      : 00:00:00:00
TSC                                      : 24
TSZ                                      : 1

Video
ID                                       : 1
Format                                   : AVC
Format/Info                              : Advanced Video Codec
Format profile                           : High@L4.2
Format settings                          : CABAC / 3 Ref Frames
Format settings, CABAC                   : Yes
Format settings, Reference frames        : 3 frames
Format settings, GOP                     : M=1, N=30
Codec ID                                 : avc1
Codec ID/Info                            : Advanced Video Coding
Duration                                 : 20 min 59 s
Bit rate                                 : 1 818 kb/s
Width                                    : 1 920 pixels
Height                                   : 1 080 pixels
Display aspect ratio                     : 16:9
Frame rate mode                          : Constant
Frame rate                               : 24.000 FPS
Color space                              : YUV
Chroma subsampling                       : 4:2:0
Bit depth                                : 8 bits
Scan type                                : Progressive
Bits/(Pixel*Frame)                       : 0.037
Stream size                              : 273 MiB (85%)
Language                                 : English
Encoded date                             : 2024-08-31 15:24:30 UTC
Tagged date                              : 2024-08-31 15:24:30 UTC
Codec configuration box                  : avcC

Audio
ID                                       : 2
Format                                   : AAC LC
Format/Info                              : Advanced Audio Codec Low Complexity
Codec ID                                 : mp4a-40-2
Duration                                 : 20 min 59 s
Source duration                          : 20 min 59 s
Bit rate mode                            : Variable
Bit rate                                 : 317 kb/s
Maximum bit rate                         : 520 kb/s
Channel(s)                               : 2 channels
Channel layout                           : L R
Sampling rate                            : 48.0 kHz
Frame rate                               : 46.875 FPS (1024 SPF)
Compression mode                         : Lossy
Stream size                              : 47.6 MiB (15%)
Source stream size                       : 47.6 MiB (15%)
Language                                 : English
Encoded date                             : 2024-08-31 15:24:30 UTC
Tagged date                              : 2024-08-31 15:24:30 UTC