Monday, September 2, 2013

Share some video/audio formats

How many video and audio formats do you know? Here I will give a brief introduction of these formats.
AVI Audio Video Interleaved (also Audio Video Interleave), known by its initials AVI, is a multimedia container format introduced by Microsoft in November 1992 as part of its Video for Windows technology.
AVI files can contain both audio and video data in a file container that allows synchronous audio-with-video playback. Like the DVD video format, AVI files support multiple streaming audio and video, although these features are seldom used. Most AVI files also use the file format extensions developed by the Matrox OpenDML group in February 1996. These files are supported by Microsoft, and are unofficially called "AVI 2.0".

AMV is a proprietary video file format, produced for MP4 players, as well as S1 MP3 players with video playback. There are now two different MTV formats: the older one for the Actions chip, and a newer one for ALi’s M5661 chip. This format for ALi one was ALIAVI.

WebM extension. Webm Internet media type video / webm audio / the webm developed by Google initial version 2010-05-19 format video file specifically the case VP8 (video) extending Vorbis (audio) since Matroska free open source.

WebM is an audio-video format designed to provide royalty-free, open video compression for use with HTML5 video. The project's development is sponsored by Google Inc.
A WebM file consists of VP8 video and Vorbis audio streams, in a container based on a profile of Matroska. The project releases WebM related software under a BSD license and all users are granted a worldwide, non-exclusive, no-charge, royalty-free patent license.
The 'Matroska Multimedia Container' is an open standard free container format, a file format that can hold an unlimited number of video, audio, picture, or subtitle tracks in one file. It is intended to serve as a universal format for storing common multimedia content, like movies or TV shows.

Matroska Logo
Matroska The name "Matroska" is derived from the Russian word Matryoshka (Russian: матрёшка [mɐˈtrʲoʂkə]), which means nesting doll (the common Russian cylindrical-shaped doll within a doll, also known as a babushka doll). This is a play on the container (media within a form of media/doll within a doll) aspect of the matryoshka as it is a container for visual and audio data.
The loose transliteration may be confusing to Russian speakers, as the Russian word matroska (Russian: матроска) actually refers to a sailor suit.
File types
Matroska media defines three types of files:
·         MKV Matroska Video File): Video file can contain audio and subtitles;
·         MKA Matroska Audio File): A single audio file, how many types of tracks;
·         MKS Matroska Subtitles): Subtitle file.
The following list is a list of MKV and AVI:

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