richnessNN n/a   IE n/a   CSS 2
 Inherited: Yes
 

For aural style sheets, sets the brightness (stridency) of the voice used in text-to-speech rendering of the element.

 
CSS Syntax
richness: number
 
Value
A positive floating-point number to represent how strident the voice sounds. A value of 50 is normal. Lower values produce a softer, mellower voice; higher values produce a louder, more forceful voice.
 
Initial Value
50
 
Applies To
All elements.
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