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Call for Participation in Audiovisual Media Formats for Browsers Community Group

The Audiovisual Media Formats for Browsers Community Group has been launched:

Over the past decade, a growing number of sound and imaging media formats have been established offering increasingly sophisticated user experiences such as High Dynamic Range (HDR) and Spatial Audio. On the imaging side, these media formats provide the technical means to facilitate increased spatial and temporal resolutions, higher bit depths, as well as varying color volumes and the mapping between them. Similarly, on the audio side, higher bit-depth, sample rates and more immersive surround sound and speech processing options are available.
These experiences are facilitated through tools and technical mechanisms available to both professional and consumer content providers and are readily available for linear content types. However, options to provide such experiences through the web are still limited as potential solutions are fragmented and often insular or significantly limited in capabilities among open source as well as proprietary options. This typically results in incorrect presentation to an end user or even error messages.
Therefore, there is need to consider how to support modern audiovisual formats in a W3C context. To alleviate friction in development and deployment, it seems highly beneficial to our community to synchronize open and proprietary solutions so that they can co-exist within a W3C framework. The scope of this community group is to provide a forum for those discussions.

In order to join the group, you will need a W3C account. Please note, however, that W3C Membership is not required to join a Community Group.

This is a community initiative. This group was originally proposed on 2022-08-05 by Patrick Griffis. The following people supported its creation: Patrick Griffis, Robin Wilson, J. Alan Bird, Chris Needham, Hyojin Song. W3C’s hosting of this group does not imply endorsement of the activities.

The group must now choose a chair. Read more about how to get started in a new group and good practice for running a group.

We invite you to share news of this new group in social media and other channels.

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

Thank you,
W3C Community Development Team

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