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-op-voice-pitch-range property | -xv-voice-pitch-range property

Browser support:
Specifies the variation from the average pitch of the voice.
Same as the voice-pitch-range property in the CSS3 declaration.
The -op-voice-pitch-range and -xv-voice-pitch-range properties are equivalent in Opera.
JavaScript page for this property: opVoicePitchRange | XvVoicePitchRange. You can find other example(s) there.

Possible values:

 One of the following values: 
frequency (floating-point in Hz)
A floating-point number followed by Hz, the variation from the average pitch in Hertz.
A highly animated voice.
Takes the value of this property from the computed style of the parent element.
A flat monotonic voice.
A normal voice.
variation in non-negative percentage
Degree of the variation from the average pitch.
Default: 50%.

Example HTML code 1:

This example illustrates the use of the -xv-voice-pitch-range property:
        .example {
            -xv-voice-pitch-range: high;
    Normal voice
    <p class="example">A highly animated voice.</p>
    Select the text in the document, right click and select speak
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