CSS voice-duration Property

Description

The voice-duration property indicates the strength of emphasis to be applied. Emphasis is indicated using a combination of pitch change, timing changes, loudness and other acoustic differences) that varies from one language to the next.

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

Initial value

auto

Applies to

All elements

Inherited

No

Media

Speech

Computed value

Specified value

Animatable

No

CSS Version

CSS3

JavaScript syntax

object.style.voiceDuration

Syntax

voice-duration: auto | <time>

Values

• <time>Specifies a value in absolute time units (seconds and milliseconds, e.g. "+3s", "250ms"). Only non-negative values are allowed.
• autoResolves to a used value corresponding to the duration of the speech synthesis when using the inherited 'voice-rate'.

Example

.class {
   voice-duration: 15s; 
}

Browser Support

Desktop
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Tablets / Mobile
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