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Accessible Multimedia Objects

When thinking about interactive multimedia objects for the web, web developers should not hesitate because of accessibility. It is not correct that accessible resources need to be bland and boring. In fact, for many with disabilities, multimedia products are most helpful. What is required is that there are deprecated and alternative versions of the objects available.

Let's start with a typical video with full sound:

The available combinations of assets need to be:

All of these can be created at the time of making the video and they can be compiled within a single object for presentation on a web page. Even if they are not presented as a single object, they should be synchronised (using SMIL).

So the complete range of assets will be:

Once all these are ready, they should be combined with SMIL so they can be used, as required, and the synchronisation will work.

NCAM offers tutorials on - creating captions, adding a caption track in QuickTime, creating audio descriptions for rich media and creating cross-platform displays. All of this can be found in learning area on NCAM's accessibility pages at http://www.ncam.org/.


From Macromedia:

"After completing an interactive, Macromedia Flash-based tutorial on the human knee, Swarm Interactive realized the animation needed to be revised to make it accessible to all users. By adding text-equivalent keystroke events and narration, Swarm significantly improved the accessibility of the Flash content.

Highlights of Case Study

To read the full case study, click the link below:

http://dynamic.macromedia.com/bin/MM/showcase/scripts/showcase_cs_body.jsp?Showcase_OID=316821


Last updated: 8 March 2002