- From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
- Date: Mon, 5 Apr 2010 22:30:50 +1000
- 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? Cheers, Silvia.
Received on Monday, 5 April 2010 12:31:43 UTC