MPEG Transport Stream (or MPEG-2 Transport Stream) is an MPEG multimedia format that allows interleaving more than one Packetized Elementary Stream in a single file. It is an alternative to MPEG Program Stream, designed to work better with certain kinds of streaming. It was introduced in the MPEG-2 standard. There is a variant format named M2TS, used with Blu-ray discs.

Alternatively, you got here like I did by selecting a typescript file. That's wrong, that's your browser doing that. There's no official standard for typescript.

File types


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Further reading

  1. Let's Solve the File Format Problem!
  2. Wikipedia article on MPEG Transport Stream