This is the Wiki for the activities associated with the updating of the TTML specification
The Timed Text Markup Language (TTML) is a markup format language for creating captioning, subtitling and similar timed presentation of text.
Issues are tracked.
Issues that need further elaboration can be documented and discussed by adding a page link here.
- Issue 151 Clarify syncbase in SMPTE continuous mode
You can help by providing Timed Text Documentation.
TTML Working Group Activities
The TTML Working group home page.
The TTML specification allows users to define and use roles for elements, in order to manage this across disparate organisations (without resorting to using complex namespaced prefixes) we have started a Role Registry
As we look to creating the next version of the specification to address open issues we will adopt a lightweight change proposal mechanism. These change proposals are recorded in the Change Proposal Index