MKV is the Matroska Multimedia Container developed by Matroska for video (with subtitles and audio); it is an open standard free container format that can hold an unlimited number of video, audio, picture or subtitle tracks inside a single file. MKV is similar in concept to other containers like AVI, MP4 or ASF, but is entirely open in specification, with implementations consisting mostly of open source software.
MKV is intended to serve as a universal format for storing common multimedia content, like movies or TV shows.
Some other goals:
Working with hardware manufacturers to include Matroska support in embedded multimedia devices.
Working to provide native Matroska support in various operating systems and hardware platforms.
Developing a set of tools for the creation and editing of Matroska files.
Developing libraries that can be used to allow developers to add Matroska support to their applications.
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