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From: Andrew Kirkpatrick
Date: Thu, Jan 10 2008 2:50PM
Subject: live conference text captioning
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Hi,
I need to gather some information for the W3C WCAG group on methods for
introducing live captioning into a web page. I haven't looked into this
in a while - does anyone have a list of possible options?

Thanks,
AWK

Andrew Kirkpatrick

Senior Product Manager, Accessibility

Adobe Systems

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From: Jared Smith
Date: Thu, Jan 10 2008 3:00PM
Subject: Re: live conference text captioning
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On 1/10/08, Andrew Kirkpatrick < = EMAIL ADDRESS REMOVED = > wrote:
> Hi,
> I need to gather some information for the W3C WCAG group on methods for
> introducing live captioning into a web page.

If I understand your question correctly, I've seen or implemented the
following methods:

- Java applet
- AJAX (XMLHttpRequest) requests that update a portion of the page
- Flash object - using XMLSocket() (Used to display captions directly
within the page or to periodically update an HTML element)
- HTTP refresh to get new/content either manually and automatically (meta)
- Embedded media player connected to streaming server (e.g., RealText
streaming to RealPlayer)

I'm sure there are more, but most probably use some adaptation of one
of these technologies. Outside the browser, there are many methods
available - it's not a requirement that captions for web media be
provided within the browser itself.

Jared Smith
WebAIM