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Re: Proposed minimal requirements for audio/speech checkpoints.

From: Ian Jacobs <ij@w3.org>
Date: Mon, 12 Jun 2000 16:56:27 -0400
Message-ID: <39454E7B.7F84871@w3.org>
To: Charles McCathieNevile <charles@w3.org>
CC: "Gregory J. Rosmaita" <unagi69@concentric.net>, User Agent Guidelines Emailing List <w3c-wai-ua@w3.org>
Charles McCathieNevile wrote:
> 
> The way I read Ian's proposal, was taht he was going to propose requirements
> for other features of voice such as thosse already included in CSS - it was
> just the vague requirement for "other features in general" that was being
> removed.

Yes, that is correct. 

 - Ian

> On Mon, 12 Jun 2000, Gregory J. Rosmaita wrote:
> 
>   aloha, ian!
> 
>   i agree with your proposal, save for your caveat:
> 
>   quote
>   IMPORTANT: I propose that we delete "and other articulation
>   characteristics" from checkpoint 4.11 since that makes it
>   much harder to specify minimal requirements.
>   unquote
> 
>   it wouldn't be much harder to specify minimal requirements for "other
>   articulation characteristics" if you simply applied the same implementation
>   example to that phrase that you used for volume -- the aural media rules of
>   CSS2...  the minimal requirements for "other articulation characteristics"
>   should be those listed as "speech characteristics" [1] in chapter 19 of the
>   CSS2 recommendation that aren't already highlighted by separate UAAG
>   checkpoints -- namely:
> 
>            voice-family;
>            stress;
>            and richness
> 
>   the minimal requirements should also list equivalents for CSS2's
>   "speak-properties" [2]:
> 
>            speak-punctuation and speak-number
> 
>   and for CSS2's "speaking-properties"  [3]
> 
>            normal, none, and spell-out
> 
>   as well as the "pause" properties [4]
> 
>            pause-before and pause-after
> 
>   all of which are elemental aspects of a speech synthesis engine...  cueing
>   is pretty damn important, as well, but i think that i'd settle for the
>   above as "minimal", although i'd prefer a self-voicing UA to also implement
>   some sort of cue-before and cue-after configuration option, as well as a
>   play-during configuration and control
> 
>            gregory.
> 
>   References
>   [1] http://www.w3.org/TR/CSS2/aural.html#voice-char-props
>   [2] http://www.w3.org/TR/CSS2/aural.html#speech-props
>   [3] http://www.w3.org/TR/CSS2/aural.html#speaking-props
>   [4] http://www.w3.org/TR/CSS2/aural.html#pause-props
> 
> 
> --
> Charles McCathieNevile    mailto:charles@w3.org    phone: +61 (0) 409 134 136
> W3C Web Accessibility Initiative                      http://www.w3.org/WAI
> Location: I-cubed, 110 Victoria Street, Carlton VIC 3053
> Postal: GPO Box 2476V, Melbourne 3001,  Australia

-- 
Ian Jacobs (jacobs@w3.org)   http://www.w3.org/People/Jacobs
Tel:                         +1 831 457-2842
Cell:                        +1 917 450-8783
Received on Monday, 12 June 2000 16:56:30 GMT

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