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Re: [css3-speech] comment on 'voice-volume' property

From: fantasai <fantasai.lists@inkedblade.net>
Date: Wed, 06 Jul 2011 10:21:01 -0700
Message-ID: <4E14997D.7020708@inkedblade.net>
To: www-style@w3.org
On 07/06/2011 10:02 AM, Daniel Glazman wrote:
> Sorry to arrive late on that, but I notice an issue I raised about CSS 2
> Aural Stylesheets eons ago (implemented them at that time) still stands.
> A volume in modern appliances or SW is most often defined by two
> states: the real volume that is often a number, a %age or a list of
> enums, and a boolean state, normal or muted...
> I think the current 'voice-volume' property does not capture that. It
> has one immediate side-effect on users willing to rely on CSS 3 Speech:
> to mute the sound of a speech browser, the application has currently
> to switch to '0' or 'silent'. The original value is then
> forgotten in the computed value of 'voice-volume', forcing the app
> to keep track of it, and that could be avoided. In my mind, it
> even should be avoided.
> I suggest then to tweak the definition of 'voice-volume' as following:
> Value: [ <non-negative number> | <percentage> | silent | x-soft |
> soft | medium | loud | x-loud | inherit ] muted?

Is there a use case for the author to mute here instead of using 'speak: none'?

( Also, it should be

   voice-volume: [ ...] || muted

if you want to add that because you don't want to respecify the volume when
you're muting it, and 'inherit' cannot be combined with any other values.)

Received on Wednesday, 6 July 2011 18:28:07 UTC

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