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Re: [Bug 9697] New: media elements in SVG need ability to associate captions and description

From: Chris Lilley <chris@w3.org>
Date: Mon, 10 May 2010 17:25:17 +0200
Message-ID: <392207984.20100510172517@w3.org>
To: bugzilla@jessica.w3.org
CC: www-svg@w3.org, vibrania@hotmail.com
This is now raised as ISSUE-2324

captioning
media elements in SVG need ability to associate captions and description

http://www.w3.org/Graphics/SVG/WG/track/issues/2324

On Monday, May 10, 2010, 3:09:44 PM, bugzilla wrote:

bjwo> http://www.w3.org/Bugs/Public/show_bug.cgi?id=9697

bjwo>            Summary: media elements in SVG need ability to associate
bjwo>                     captions and description
bjwo>            Product: SVG
bjwo>            Version: SVG 1.2 Tiny
bjwo>           Platform: All
bjwo>         OS/Version: All
bjwo>             Status: NEW
bjwo>           Keywords: a11y, media
bjwo>           Severity: major
bjwo>           Priority: P1
bjwo>          Component: Accessibility Support
bjwo>         AssignedTo: schepers@w3.org
bjwo>         ReportedBy: vibrania@hotmail.com
bjwo>          QAContact: www-svg@w3.org


bjwo> The <audio> and <video> elements in SVG need to have a peer element to contain
bjwo> timed text to support captions, subtitles and the text of descriptions. While
bjwo> an approximation to captions can be done using <animation>, this is not a good
bjwo> substitute to using a dedicated timed text format and there are no controls for
bjwo> the user to find them.

bjwo> Proposal (1)
bjwo> Allow <foreignObject> to have the Attributes for runtime synchronization so
bjwo> that for example an external TTML file may be referenced, or an embedded TTML
bjwo> resource.

bjwo> Proposal (2) 
bjwo> Add an explicit <timedText> element equivalent to <video> to provide such
bjwo> references.

bjwo> Proposal (3)
bjwo> Add system properties for captions, descriptions and subtitles in order to
bjwo> control the rendering of these formats.





-- 
 Chris Lilley                    mailto:chris@w3.org
 Technical Director, Interaction Domain
 W3C Graphics Activity Lead
 Co-Chair, W3C Hypertext CG
Received on Monday, 10 May 2010 15:25:55 GMT

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