Is a multimedia container format from Microsoft, which stores video and audio file streams. Distinctive feature is a the lack of information on the coding data. The container defines the structure of the stream so it can, like AVI, contain videos with different codecs, as well as operate during synchronization of streams.
Is a container for storing DVD-Video. The basis of the format is MPEG-2 leg, and therefore it may contain multiple streams. It is possible to add a maximum of 9 audiois a streams and 32 kinds of subtitles. Video added solely with MPEG-2 codec.