[theora-dev] Section 508/Closed captioning

[Kenneth Arnold]

On Fri, Jul 19, 2002 at 01:39:53PM -0400, Eric M. Kidd wrote:
> Just a random architectural note, while I'm thinking about it: 
> 
> The United States government has published a set of mandatory 
> "accessibility" guidelines, which require almost all 
> federally-purchased software to provide support for disabled users.  
> For video architectures (such as Ogg Theora) this translates into 
> support for closed captions. 
> 
> So, in addition to audio and video tracks, it would be highly desirable 
> for Ogg to support some kind of caption or text track. 

The plan is to use an interleaved MNG stream for graphical
closed-captioning. There's already an MNG interleaver in ogg-tools in
CVS.

If someone could write or find a time-oriented *streamable* XML (or
XML-like) text display and positioning stream definition, this could
also be used for closed captioning purposes.


-- 
Kenneth Arnold <ken at arnoldnet.net>
- "Know thyself."


-------------- next part --------------
A non-text attachment was scrubbed...
Name: part
Type: application/pgp-signature
Size: 190 bytes
Desc: not available
Url : http://lists.xiph.org/pipermail/theora-dev/attachments/20020719/b644d74c/part.pgp