Event Invitation: Media and Entertainment Interest Group, Timed Text Working Group, Accessible Platform Architectures WG joint meeting

[View this event in your browser](https://www.w3.org/events/meetings/77e2d0cf-aa11-434e-bb56-fa303759ff4d/)

 Media and Entertainment Interest Group, Timed Text Working Group, Accessible Platform Architectures WG joint meeting Upcoming Confirmed
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 13 November 2025, 09:00 -10:30 Asia/Tokyo

  Floor 4 - 403

[ Accessible Platform Architectures Working Group ](https://www.w3.org/groups/wg/apa/calendar/)[ Media and Entertainment Interest Group ](https://www.w3.org/groups/ig/me/calendar/)[ Timed Text Working Group ](https://www.w3.org/groups/wg/timed-text/calendar/) Agenda
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[Agenda](https://github.com/w3c/media-and-entertainment/issues/110)Proposed agenda for the MEIG + TTWG + APA Joint meeting:

- DVB Accessibility Implementation Guidelines 
  - MAUR and WCAG3 relevance?
- Subtitle format support in browsers
- Updates on DAPT and IMSC 1.3
- IMSC 1.3 subscript/superscript accessibility discussion? <https://github.com/w3c/a11y-tracking/issues/252#issuecomment-3334994063>
- ARIA Notifications API - relevance to timed text applications?

 Joining Instructions
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 Instructions are restricted to meeting participants. You need to [ log in](https://auth.w3.org/?url=https%3A%2F%2Fwww.w3.org%2Fevents%2Fmeetings%2F77e2d0cf-aa11-434e-bb56-fa303759ff4d%2F) to see them.

 Participants
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### Groups

- [Accessible Platform Architectures Working Group](https://www.w3.org/groups/wg/apa/) ([View Calendar](https://www.w3.org/groups/wg/apa/calendar/))
- [Media and Entertainment Interest Group](https://www.w3.org/groups/ig/me/) ([View Calendar](https://www.w3.org/groups/ig/me/calendar/))
- [Timed Text Working Group](https://www.w3.org/groups/wg/timed-text/) ([View Calendar](https://www.w3.org/groups/wg/timed-text/calendar/))

### Invitees

- Michael Gower
- Will Morgan
- Adam Page
- Chris Pryor
- Alastor Wu

 Report feedback and issues on [ GitHub](https://github.com/w3c/calendar "W3C Calendar GitHub repository").