W3C home > Mailing lists > Public > public-html-a11y@w3.org > March 2012

Re: CP, ISSUE-30: Link longdesc to role of img [Was: hypothetical question on longdesc]

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Wed, 21 Mar 2012 12:02:18 +1100
Message-ID: <CAHp8n2=iQZiic2ATxAj8LDWikqmJfPxhtJTk7cxp0sDdiL7sUw@mail.gmail.com>
To: Leif Halvard Silli <xn--mlform-iua@xn--mlform-iua.no>
Cc: David Singer <singer@apple.com>, John Foliot <john@foliot.ca>, janina@rednote.net, rubys@intertwingly.net, laura.lee.carlson@gmail.com, mjs@apple.com, paul.cotton@microsoft.com, public-html-a11y@w3.org, public-html@w3.org
On Wed, Mar 21, 2012 at 11:58 AM, Leif Halvard Silli
<xn--mlform-iua@xn--mlform-iua.no> wrote:
> David Singer, Tue, 20 Mar 2012 17:14:36 -0700:
>> I am saying (a) that providing the 2-bits of the poster information
>> without the kilobytes of video information has the wrong priorities
>> and (b) we're confused if we think a still image of a stopped video
>> is something distinct from the video.
> A: Imagine that you made a TV-program guide, where each program was
> illustrated with a screenshot taken from the TV-program.
> B: Later one, you made the TV guide interactive, where part of what you
> did was that you replaced the <img> elements with <video> elements
> which displayed the same screenshots from the TV-programs. [Think
> NetFlix or something like that.]
> Why does the images in A need alt text, but not those in B?

Chuck your @alt text into @aria-label - it's that easy. It has just
turned into an interactive element, so some changes are expected to be

> Imagine, also, that the screenshot from the Today show or the News, was
> not from today or from the news, but simply a photo of today's hosts -
> or perhaps displayed well known screenshot from the plane crash
> yesterday, that it still the hot topic of today. Or that today's
> reality show program was illustrated with a screenshot from last
> episode's most epic moment.

If the picture is that irrelevant to the content, then you might as
well just have a standard label of "news of today with host xxx".

Received on Wednesday, 21 March 2012 01:03:08 UTC

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