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Re: Proposal: Canvas accessibility and a media querries approach for alternative content (Action Item 6 in the HTML Accessibility Task Force)

From: David Singer <singer@apple.com>
Date: Wed, 20 Jan 2010 13:41:23 +0900
Cc: Richard Schwerdtfeger <schwer@us.ibm.com>, James Craig <jcraig@apple.com>, public-canvas-api@w3.org, HTML WG <public-html@w3.org>
Message-Id: <30F405DE-8E0F-416A-97FA-E8285A2AEC07@apple.com>
To: Ian Hickson <ian@hixie.ch>

On Jan 20, 2010, at 7:39 , Ian Hickson wrote:
> 
>> The intent is to include the vocabulary in CSS to form a media query in 
>> harmony with HTML 5 to choose the best content for the user.
> 
> Let the user choose what is best for them. You can't know if I prefer an 
> E-book reader or a high-contrast option. Which I prefer can change from 
> minute to minute.
> 

You're right, but I think in this case (and the multimedia accessibility case) the page/UA can get it right initially and by default most of the time.  We can do better than having the user have to find and press 'turn on the captions' on every video they see, for example.  I agree that auto-config in response to preference is NOT a substitute for offering the run-time set of choices all the time, for cases when the auto is not, in fact, what I needed.

The backwards-compatibilty problem of the media queries shouldn't be so bad for video and audio, of course, as they are new...

David Singer
Multimedia and Software Standards, Apple Inc.
Received on Wednesday, 20 January 2010 04:41:57 UTC

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