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Re: [w3c/wcag] Revisiting imbalance between 1.2.4 Captions (Live) (AA) and 1.2.9 Audio-only (Live) (AAA) (#795)

From: John Foliot <john.foliot@deque.com>
Date: Thu, 20 Jun 2019 12:49:37 -0500
Message-ID: <CAKdCpxy=Z3A=c6nCXgvKy+UpeWEvEAwm6JOXNcCnRDq_kO9hSg@mail.gmail.com>
To: "w3c/wcag" <reply+AAJL447Q5FBJFEXZV6H4JFN3DD22BEVBNHHBWUGJFI@reply.github.com>
Cc: "w3c/wcag" <wcag@noreply.github.com>, Subscribed <subscribed@noreply.github.com>, Silver TF <public-silver@w3.org>
+1 to Patrick's thinking that this should all be addressed in Silver.

While we are at that, I'd also like to ensure that "video" actually be
re-named "multi-media" (or expanded to video and other multi-media
sources"), which would also include other forms of animation... as Patrick
described it "moving pictures with (or without) audio". For while I note
the definition of video states:


the technology of moving or sequenced pictures or images
Video can be made up of animated or photographic images, or both.

...it has been my observation that many evaluators take "video" to also be
synonymous with "mp4" (which is a false assertion). I could argue that
animated gifs *might* be in scope, as well as animated SVG
<https://en.wikipedia.org/wiki/SVG_animation> content.

Additionally, I was in conversation with a developer earlier this week who
is working on a standardized 'bot' language
<https://www.w3.org/community/conv/>, and his PoC can be scripted such that
the bot can provide 'animated' responses to input ("Avatar asks 'which
door', and when you say left it goes to the left door..."). Is that a
video? Does it need audio description?


On Thu, Jun 20, 2019 at 12:32 PM Patrick H. Lauke <notifications@github.com>

> if you're pointing at that to make the point that "video" means "video +
> audio"... WCAG specifically makes distinction of audio and video (see also
> "video-only" SCs). yes, in common parlance, when talking about "video",
> people mean the combination of moving image possibly with audio, but this
> is not the case for 1.2.4.
> Note also that G203 doesn't talk about a LIVE video (with audio), but
> prerecorded video.
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*​John Foliot* | Principal Accessibility Strategist | W3C AC Representative
Deque Systems - Accessibility for Good
Received on Thursday, 20 June 2019 17:50:43 UTC

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