W3C home > Mailing lists > Public > public-html@w3.org > April 2011

Re: longdesc - beside the box

From: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
Date: Tue, 26 Apr 2011 03:32:45 +0200
To: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Cc: Laura Carlson <laura.lee.carlson@gmail.com>, HTMLWG WG <public-html@w3.org>
Message-ID: <20110426033245690766.c973b713@xn--mlform-iua.no>
Silvia Pfeiffer, Tue, 26 Apr 2011 10:56:09 +1000:
> On Tue, Apr 26, 2011 at 3:20 AM, Laura Carlson
> <laura.lee.carlson@gmail.com> wrote:
>> HI all,
>> Silvia wrote:
>>> I think we need this for video, too. How about a @transcription
>>> attribute on the <img> element (and <video> and <audio>) that contains
>>> the link outright? Can be a link to some other element on the same
>>> page or a different page altogether.
>>> It would be displayed in text-only browsers instead of the media and
>>> be keyboard focusable for AT users to be read out and followed.
>> Another a clear and specific use case is for people on slow
>> connections with GUI browsers. Playing a video for people on dialup is
>> not an option.  People on slow connections need a way to obtain a
>> transcript so at least they can obtain *some* content.
> I wonder: When you turn off images in a browser, does that also turn
> off video and audio? (In Chrome I don't even see a preference setting
> for images any more.)

Yeah, how should a text browser render <video>? If we look at <object 
data=image.jpg>fallback</object>, then it presents the fallback. 
Whereas for <img alt="fallback"> it renders the alt text in a different 

3 options: 1) Behave like for <object>. 2) Behave like for object but 
still color the text or something. 3) Treat <video> more or less as an 
image map: Introduce a @alt attribute on <video> which is meant to 
represent the video including the first frame. By pressing the video 
element, the user can download the content of the src attribute. If the 
video contains multiple video formats and/or fallback, then let the 
user "open" the video element and navigate inside it to select video 
format to download and read the fallback.

leif halvard silli
Received on Tuesday, 26 April 2011 01:33:14 UTC

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