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Re: Media Matrix: Issue re Clear Audio

From: Silvia Pfeiffer <silviapfeiffer1@gmail.com>
Date: Thu, 21 Oct 2010 10:22:02 +1100
Message-ID: <AANLkTimrvawqoumhuOHr=AgsoxxkG6Y4d3nC11zwVK9t@mail.gmail.com>
To: HTML Accessibility Task Force <public-html-a11y@w3.org>
I've made the change to
http://www.w3.org/WAI/PF/HTML/wiki/Media_Accessibility_User_Requirements#Clear_audio
.

However, we should be clear that separate audio tracks can be provided
both within a media container or as separate resources and we probably
want to support both in the same way. I do think your wording is
appropriate though.

Cheers,
Silvia.



On Thu, Oct 21, 2010 at 8:27 AM, Janina Sajka <janina@rednote.net> wrote:
> The primary Clear Audio requirement should read:
>
> (CA-1) Support clear audio as a separate, alternative audio track from other audio-based alternative media resources.
>
> The salient point is that we do not require user agents to create clear
> audio. Rather, clear audio is, or is not produced at the same time as
> the primary media resource audio is mxed down. Thus, it becomes simply
> another alternative media resource to be correctly identified by
> metadata.
>
> Any user agent which wishes to expiriment with "reverse karaoke" type
> strategies to create something approaching clear audio is welcome to do
> so, of course. However, that is not how we expect clear audio to be
> generated, nor is it how clear audio is generated today.
>
> Janina
>
>
> --
>
> Janina Sajka,   Phone:  +1.443.300.2200
>                sip:janina@asterisk.rednote.net
>
> Chair, Open Accessibility       janina@a11y.org
> Linux Foundation                http://a11y.org
>
> Chair, Protocols & Formats
> Web Accessibility Initiative    http://www.w3.org/wai/pf
> World Wide Web Consortium (W3C)
>
>
>
Received on Wednesday, 20 October 2010 23:22:54 GMT

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