CSS voice-volume Property

Description

The voice-volume property allows authors to control the amplitude of the audio waveform generated by the speech synthesizer, and is also used to adjust the relative volume level of audio cues within the aural box model of the selected element.

The voice-volume property has been deprecated or is no longer in any CSS working groups.

Initial value

medium

Applies to

All elements

Inherited

Yes

Media

Speech

Computed value

'silent', or a keyword value and optionally also a decibel offset (if not zero)

Animatable

No

CSS Version

CSS3

JavaScript syntax

object.style.voiceVolume

Syntax

voice-volume: silent | [[x-soft | soft | medium | loud | x-loud] || <decibel>] 

Values

• <decibel>A number immediately followed by "dB" (decibel unit).
• silentSpecifies that no sound is generated (the text is read "silently").
• x-softThe keyword 'x-soft' maps to the user's minimum audible volume level
• softThe keyword 'soft' maps to intermediary values
• mediumThe keyword 'medium' maps to the user's preferred volume level
• loudThe keyword 'loud' maps to intermediary values
• x-loudThe keyword 'x-loud' maps to the user's maximum tolerable volume level
• inherit

Example

.class {
   voice-volume: loud; 
}

Browser Support

Desktop
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Tablets / Mobile
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