[1] Timed Divs HTML - XiphWiki (2009-01-06 00:17:26 +09:00 版) http://wiki.xiph.org/index.php/Timed_Divs_HTML

[2] Timed Divs HTML - XiphWiki (2009-12-23 03:25:46 +09:00 版) http://wiki.xiph.org/Timed_Divs_HTML

[3]

Timed Divs HTML - XiphWiki (2015-11-25 03:20:14 +09:00 版) https://wiki.xiph.org/Timed_Divs_HTML

This page specifies a subclass of HTML documents that is a time-aligned text format for audio-visual content. We call the format "timed divs within HTML" or TDHT. It is intended to be used only in a World Wide Web context i.e. everywhere that Web browser functionality is available.

[4] itext