Кстати, через прогу "Фабрика форматов" посмотрел media-file info:

General
Format : AVI
Format/Info : Audio Video Interleave
File size : 1.81 MiB
Duration : 4s 933ms
Overall bit rate : 3 077 Kbps

Video
Format : XPEH
Codec ID : XPEH
Duration : 4s 933ms
Bit rate : 2 708 Kbps
Width : 344 pixels
Height : 280 pixels
Display aspect ratio : 1.229
Frame rate : 15.000 fps
Resolution : 24 bits
Bits/(Pixel*Frame) : 1.875
Stream size : 1.59 MiB (88%)
Title : fffffffff Video #1

Audio
Format : PCM
Format settings, Endianness : Little
Format settings, Sign : Unsigned
Codec ID : 1
Codec ID/Hint : Microsoft
Duration : 4s 933ms
Bit rate mode : Constant
Bit rate : 352.8 Kbps
Channel(s) : 1 channel
Sampling rate : 22.05 KHz
Resolution : 16 bits
Stream size : 212 KiB (11%)
Interleave, duration : 705 ms (10.57 video frames)
Title : fffffffff Audio #1

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