Mediainfo:
General
Unique ID : 46838384343625281824971984218730444565 (0x233CBEA45BC21A09775297B05536B715)
Complete name : E:\Video\Learning\Frontend\HTML & CSS\Создание адаптивного сайта с Bootstrap 3\Урок 1. Введение в Bootstrap.mkv
Format : Matroska
Format version : Version 1
File size : 336 MiB
Duration : 30mn 29s
Overall bit rate : 1 542 Kbps
Encoded date : UTC 2016-04-24 20:13:31
Writing application : ismdownloader v2.0.0.0
Writing library : ismdownloader v2.0.0.0
Video
ID : 1
Format : AVC
Format/Info : Advanced Video Codec
Format profile : Main@L5
Format settings, CABAC : Yes
Format settings, ReFrames : 15 frames
Format settings, GOP : M=3, N=30
Codec ID : V_MPEG4/ISO/AVC
Duration : 30mn 29s
Bit rate mode : Constant
Nominal bit rate : 1 481 Kbps
Width : 1 280 pixels
Height : 684 pixels
Display aspect ratio : 1.85:1
Frame rate mode : Constant
Frame rate : 15.000 fps
Standard : NTSC
Color space : YUV
Chroma subsampling : 4:2:0
Bit depth : 8 bits
Scan type : Progressive
Bits/(Pixel*Frame) : 0.113
Title : video
Language : English
Default : Yes
Forced : No
Color range : Limited
Audio
ID : 2
Format : AAC
Format/Info : Advanced Audio Codec
Format profile : LC
Codec ID : A_AAC
Duration : 30mn 29s
Channel(s) : 2 channels
Channel positions : Front: L R
Sampling rate : 44.1 KHz
Frame rate : 43.066 fps (1024 spf)
Compression mode : Lossy
Title : audio
Language : English
Default : Yes
Forced : No