Вот такая статистика:
File Size: 3,75GB bytes (это 4 026 623 272 байта - макс. для FAT32)
Total Duration: 0:18:07:22
Average Data Rate: 3,52MB per second
Image Size: 720 x 576
Pixel Depth: 24 bits
Pixel Aspect Ratio: 1,067
Frame Rate: 25,00 fps
Audio: 32000 Hz - 16 bit - Stereo
Contains 1 video track(s) and 1 audio track(s).
Video track 1:
Total duration is 0:18:07:22
Size is 3,61GB bytes (average frame = 144,55KB bytes)
There are 26991 keyframes.
There are 206 empty frames.
Frame rate is 25,00 fps
Frame size is 720 x 576
Depth is 24 bits.
Compressor: 'dvsd'
Audio track 1:
Size is 132,79MB bytes
Rate is 32000 samples/sec, stereo
Sample size is 16 bits
Опять теория?
Это практика. И почему "опять"?