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Call for Participation in Media Resource In-band Tracks Community Group

The Media Resource In-band Tracks Community Group has been launched:

This group will develop a specification defining how user agents should expose in-band tracks as HTML5 media element video, audio and text tracks so that Web applications can access the in-band track information, through the media element, in a interoperable manner across user agent implementations.

Media formats of interest are MPEG-2 transport stream, WebM and MPEG-4 file format. Other media formats containing in-band tracks may be considered.

In order to join the group, you will need a W3C account.

This is a community initiative. This group was originally proposed on 2013-10-16 by Bob Lund. The following people supported its creation: Bob Lund, Giuseppe Pascale, Silvia Pfeiffer, Cyril Concolato, Mark Vickers. W3C’s hosting of this group does not imply endorsement of its activities.

If you believe that there is an issue with this group that requires the attention of the W3C staff, please send us email on

Thank you,
W3C Community Development Team

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