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Re: a11y TF CfC on resolution to support "Media Text Associations" change proposal for HTML issue 9

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Mon, 5 Apr 2010 22:30:50 +1000
Message-ID: <t2o2c0e02831004050530u4696b0f6zdb48e412faee4cf4@mail.gmail.com>
To: Geoff Freed <geoff_freed@wgbh.org>
Cc: Sean Hayes <Sean.Hayes@microsoft.com>, "public-html-a11y@w3.org" <public-html-a11y@w3.org>
On Mon, Apr 5, 2010 at 10:22 PM, Geoff Freed <geoff_freed@wgbh.org> wrote:
> On 4/3/10 10:24 AM, "Silvia Pfeiffer" <silviapfeiffer1@gmail.com> wrote:
> Hi Sean,
> On Sun, Apr 4, 2010 at 12:20 AM, Sean Hayes <Sean.Hayes@microsoft.com>
> wrote:
>> "I am not sure how to pick the default height for the default rendering
>> area for audio elements, though. Maybe there is a default from TV that could
>> be re-used."
>> Digital radio might be a better place to look, as TV pretty much always
>> assumes a picture, even if it's a still.
> I have listened to radio on a TV, but you are of course right. I've
> tried finding out how text works on DAB and mostly just came across a
> one-line scrolling text capability (as is being used in car radios).
> That probably won't be sufficient for reading captions, so maybe
> something more like 3-4 lines or whatever is used on TV might be more
> appropriate. Again, keen on other people's opinions here.
> GF:
> Note that the technology to transmit captions via HD radio does in fact
> exist.   NCAM, WGBH and other partners tested such a service in the US in
> November of 2008.  The tests themselves were successful, and the service was
> enthusiastically received by deaf and hard-of-hearing audiences around the
> country.  A press release can be found at
> http://ncam.wgbh.org/about/news/deaf-and-hard-of-hearing-users  .

That's excellent. Do you have a handle on what the technical
specifications for the caption rendering were/are?

Received on Monday, 5 April 2010 12:31:43 UTC

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