RE: SMIL (was Re: TO DO'S FOR 1.2.1)

At 20:45 10/01/2006, Gregg Vanderheiden wrote:
>What are static captions?

I assumed this was about captions for prerecorded multimedia versus
captions for live multimedia; i.e. just captions versus real-time
captions.

Regards,

Christophe

>-----Original Message-----
>From: public-wcag-teama-request@w3.org
>[mailto:public-wcag-teama-request@w3.org] On Behalf Of Christophe Strobbe
>Sent: Tuesday, January 10, 2006 12:57 PM
>To: public-wcag-teama@w3.org
>Subject: SMIL (was Re: TO DO'S FOR 1.2.1)
>
>
>
>At 18:18 9/01/2006, Ben Caldwell wrote:
><blockquote>
>(...)
>1.2.3: I've added the SMIL techniques for 1.2.1 to 1.2.3 in the wiki per
>Gregg's request. However, I'm not sure that the techniques would be the same
>for static vs. real-time captions in SMIL? Any SMIL experts on Team A that
>can help?
>(...)
></blockquote>
>
>In the absence of SMIL experts, I consulted "SMIL: Adding Multimedia to the
>Web" by Tim Kennedy and Mary Slowinski (SAMS, 2002; see also
>http://www.smilbook.com/).
>For a prerecorded video, you do "pseudostreaming" or "progressive download"
>over HTTP and TCP, while live video requires true streaming with a streaming
>server and a streaming protocol over UDP (instead of TCP). The book has
>nothing to say about how you work with resources from a streaming server.
>However, there is a SMIL example at http://open4all.info/ossa/_SMIL. In the
>SMIL file, you need a correct link to the stream on the server, which, in
>this example, talks RTSP.
>There's also some information at
>http://service.real.com/help/library/guides/production8/htmfiles/live.htm.
>As far as I can tell, the real challenge is creating those streams and
>getting the captions synchronized.
>
>Regards,
>
>Christophe
>
>
>--
>Christophe Strobbe
>K.U.Leuven - Departement of Electrical Engineering - Research Group on
>Document Architectures
>Kasteelpark Arenberg 10 - 3001 Leuven-Heverlee - BELGIUM
>tel: +32 16 32 85 51
>http://www.docarch.be/
>
>
>Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm

-- 
Christophe Strobbe
K.U.Leuven - Departement of Electrical Engineering - Research Group on 
Document Architectures
Kasteelpark Arenberg 10 - 3001 Leuven-Heverlee - BELGIUM
tel: +32 16 32 85 51
http://www.docarch.be/ 


Disclaimer: http://www.kuleuven.be/cwis/email_disclaimer.htm

Received on Tuesday, 10 January 2006 20:22:19 UTC