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Giomanach
Posts: 6129
Joined: 11/19/2003
From: England
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Audio Screen Readers & CSS - 1/15/2005 11:20:56
OK, this is more of a what if, and would it be practical...
quote:
volume
For aural style sheets, this sets the dynamic range (softness/loudness) of the spoken element. Because normal speech has infections that prevent an absolute volume at all times, the volum attribute sets the median volume.
CSS Syntax
volume: number | percentage | volumeConstant
Value
A volume number value is any number. A value of zero should represent the minimum audible level for the equipment and ambient noise environment; a value of 100 should represent the maximum controable level under the same conditions. A percentage value is calculated relative to the parent element's volume attribute setting. Alternative settings include the following constants (and their representative values): silent (no sound) | x-soft (0) | soft (25) | medium (50) | loud (75) | x-loud (100)
Initial Value
Medium
Applies To
All Elements
Source: O'Reilly CSS Reference
My question is, would this really help users with the audible screen readers? What would the long term benefits be?
It's part of the CSS2 Spec, so don't tell me it doesn't validate!
Dan
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dpf
Posts: 7126
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From: India-napolis
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RE: Audio Screen Readers & CSS - 1/15/2005 11:59:55
I am not sure but it seems to me that this relates to the recent discussion re: colored scroll bars.... its a "dont" because its part of the local users set up. Also seems to me that anyone dependant upon an audio screen reader is already quite adept at contoling volume locally to mee thier needs and would resent any over-ride.. just a thought/reaction. HTH
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Dan
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d a v e
Posts: 4177
Joined: 7/24/2002
From: England (but live in Finland now)
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RE: Audio Screen Readers & CSS - 1/15/2005 13:47:58
assuming it's even supported by their screen readers (MS don't make one do they;) i guess if the default is medium then im' not sure under what cirumstance you might want to change it?? if you did change it (in the way you might make a font size smaller or larger than 'medium/normal' then would the user be able to change it easily?
you could test it out in a screen reader and see if you can change it or how useful it might be. i thinkit's one of things they've shoved in the spec for future practical implementation. i suppose if you wanted to have someone's speech (say a play or transcript) whispered in parts it could be useful!
without testing it it would be hard to say whether it would practical - or impractical particulaory for the use as Dan#2 said
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David Prescott
Gekko web design
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