M2V

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M2V is an MPEG-2 Packetized Elementary Stream. It contains only video related data.

MPEG-2 video stream files are normally destined to be multiplexed (muxed), which is the process of adding audio data and perhaps other streams such as subtitles, before use. MPEG-2 stream files are created by demultiplexing (demuxing) an existing MPEG-2, or by converting another video format to MPEG-2.

The file extension M2V is used for:

• SFV Host Files that contain only the video stream
• files that contain both MPEG-2 video and audio streams, a use that may surprise those who expect only a video stream.

[edit] Tools that multiplex MPEG-2 video streams with audio

mplex - part of the MJPEG tools package