Skip to content
  • 日本語ホームページJapanese website
  • 简体中文首页Chinese website
W3C Visit the W3C homepage
  • Standards

    Standards

    Understand the various specifications, their maturity levels on the web standards track, and their adoption.

    Explore web standards
    • About W3C web standards
    • W3C standards & drafts
    • Types of documents W3C publishes
    • Translations of W3C standards & drafts
    • Reviews & public feedback
    • Liaisons
    • Promote web standards
  • Groups

    Groups

    A variety of groups develop Web Standards, guidelines, or supporting materials.

    About W3C groups
    • Working Groups
    • Interest Groups
    • Community Groups
    • Business Groups
    • Technical Architecture Group
    • Invited Experts
    • Participant guidebook
    • Positive work environment
  • Get involved

    Get involved

    W3C works at the nexus of core technology, industry needs, and societal needs.

    Find ways to get involved
    • Browse our work by industry
    • Become a Member
    • Member Home (restricted)
    • Mailing lists
    • Make a donation
    • Sponsor an event
  • Resources

    Resources

    Master Web fundamentals, use our developer tools, or contribute code.

    Learn from W3C resources
    • Developers
    • Validators & tools
    • Accessibility fundamentals
    • Internationalization
    • Translations of W3C standards and drafts
    • Code of conduct
    • Reports
  • News & events

    News & events

    Recent content across news, blogs, press releases, media; upcoming events.

    Follow news & events
    • News
    • Blog
    • Press releases
    • Press & media
    • Events
    • Annual W3C Conference (TPAC)
    • Code of conduct
  • About

    About

    Understand our values and principles, learn our history, look into our policies, meet our people.

    Find out more about us
    • Our mission
    • Leadership
    • Staff
    • Evangelists
    • Careers
    • Diversity
    • Corporation
    • Sponsoring W3C
    • Media kit
    • Contact
    • Policies & legal information
    • Help
  • Search
  • My account
  1. Home
  2. Standards
  3. TTML Simple Delivery Profile for Closed Captions (US) publication history

TTML Simple Delivery Profile for Closed Captions (US) publication history

Date Status
5 February 2013 Note
3 January 2013 Last Call Working Draft
13 September 2012 Working Draft
  • Home
  • Contact
  • Help
  • Donate
  • Legal & Policies
  • Corporation
  • System Status
  • W3C on Mastodon
  • W3C on GitHub

Copyright © 2024 World Wide Web Consortium.
W3C® liability, trademark and permissive license rules apply.