Essential Video Coding

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MPEG-5 Essential Video Coding (EVC) is a future video compression standard that is expected to be completed in 2020.[1][2][3] The standard is to consist of a royalty-free subset and individually switchable enhancements.[2][3][4]


The publicly available requirement document[4] outlines a development process that is defensive against patent threats: Two sets of coding tools, base and enhanced, are defined:

  • The base consist of tools that were made public more than 20 years ago or for which a Type 1 declaration is received. Type 1, or option 1, is ISO speak for royalty-free.[5]
  • Tools in the enhanced set must pass an extra compression efficiency justification and be possible to disable individually. Bitstream-switchable coding tools is also known from Divideon's XVC.

See also[edit]


  1. ^ Pennington, Adrian (6 April 2019). "NAB 2019: Five trends to watch". IBC. Retrieved 6 April 2019.
  2. ^ a b Timmerer, Christian (14 February 2019). "MPEG 125 Meeting Report". Bitmovin. Retrieved 6 April 2019.
  3. ^ a b Gibellino, Diego (4 March 2019). "Introducing MPEG-5". Retrieved 6 April 2019.
  4. ^ a b "Requirements for a New Video Coding Standard". 12 October 2018. Retrieved 6 April 2019.
  5. ^ Chiariglione, Leonardo (28 January 2018). "A crisis, the causes and a solution". Retrieved 6 April 2019. I saw the danger coming and designed a strategy for it. This would create two tracks in MPEG: one track producing royalty free standards (Option 1, in ISO language) and the other the traditional Fair Reasonable and Non Discriminatory (FRAND) standards (Option 2, in ISO language).