Re: Support for advanced caption features (inc rollup)

On Wed, Dec 12, 2012 at 9:49 AM, Ralph Giles <giles@mozilla.com> wrote:

> On 12-12-11 2:32 PM, Ian Hickson wrote:
>
> > Does just giving the tracks a title="" that says "Easy reader" satisfy
> > this? It doesn't seem to be in the spirit of the rules, but it does seem
> > to satisfy the letter... (These really are very poorly written and vague
> > requirements.)
>
> One could likewise overload the language attribute for this.
> lang=en-simple or lang=en-US-easy.
>
> I gather CEA-708 has a bit in the data format which signals this and
> that the text is referring to this bit. A more direct equivalent would
> be to define a WebVTT file-level metadata element for it, but since the
> user-agent will want to know from the track attributes using title or
> lang seems sufficient to me.
>
> Overriding language might make it easier to remember the preference if
> simplified/easy reader is a setting one wants to retain under paragraph
> (10) since that attribute is more likely to have a reliable value.
>
> I suppose the user agent itself would only need to concern itself with
> these issues in implementing the default controls, and the
> 'manufacturer' in the case of captions displayed by the webpage itself
> would be instead the author of that page.
>

I think @label="easy reader" will sufficiently satisfy this use case. We
don't need to make up any additional solutions.

I've registered a bug to add a note to my CEA608/708 conversion spec for
this:
https://www.w3.org/Bugs/Public/show_bug.cgi?id=20353

Cheers,
Silvia.

Received on Wednesday, 12 December 2012 07:53:34 UTC