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You are here: Reference > JavaScript > client-side > style handling > properties > browser specific extensions > opVoicePitch

opVoicePitch style property | XvVoicePitch style property

Browser support:

opVoicePitch

XvVoicePitch

Specifies or retrieves the average frequency of the speaking voice.

Same as the voice-pitch property in the CSS3 declaration.

The opVoicePitch and XvVoicePitch properties are equivalent in Opera.

Syntax:

object.opVoicePitch;
object.XvVoicePitch;

You can find the related objects in the Supported by objects section below.

XvVoicePitch:	This property is read/write.
opVoicePitch:	This property is read/write.

CSS page for this property: -op-voice-pitch

Possible values:

The type of this property is string.

One of the following values:

frequency (floating-point in Hz)

A floating-point number followed by Hz, the average frequency of the speaking voice in Hertz.

high

Values depend on the voice family.

inherit

Takes the value of this property from the computed style of the parent element.

low

Values depend on the voice family.

medium

Values depend on the voice family.

x-high

Values depend on the voice family.

x-low

Values depend on the voice family.

Default: medium.

Example HTML code 1:

This example illustrates the use of the -xv-voice-pitch property:

<head>
    <style>
        .example {
            -xv-voice-pitch: high;
        }
    </style>
</head>
<body>
    <p class="example">Sets the average pitch of the speaking voice to high.</p>
    Select the text above, right click and select speak
</body>

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Example HTML code 2:

This example illustrates the use of the XvVoicePitch property in JavaScript:

<head>
    <style>
        .example {
            -xv-voice-pitch: high;
        }
    </style>
    <script type="text/javascript">
        function ChangePitch (input) {
            var div = document.getElementById ("myDiv");

            if ('XvVoicePitch' in div.style) {
                div.style.XvVoicePitch = input.value + "Hz";
            } else {
                alert ("Your browser doesn't support this example!");
            }
        }
    </script>
</head>
<body>
    Normal voice
    <p class="example">Select the text in the document, right click and select speak</p>
    Change voice-pitch: 
    <input type="text" onkeyup="ChangePitch (this);" value="1" />
</body>

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Supported by objects:

CSSStyleDeclaration, htmlElement.currentStyle, htmlElement.style

HTML elements:

a, abbr, acronym, address, b, bdo, big, blink, blockquote, body, button, caption, center, cite, code, col, colgroup, dd, del, dfn, dir, div, dl, dt, em, fieldset, font, form, h1, h2, h3, h4, h5, h6, html, i, input:button, input:file, input:password, input:reset, input:submit, input:text, ins, isindex, kbd, label, legend, li, marquee, menu, ol, optgroup, option, p, plaintext, pre, q, s, samp, select, small, span, strike, strong, sub, sup, table, tbody, td, textarea, tfoot, th, thead, tr, tt, u, ul, var, xmp

Related pages:

XvInterpretAs
opPhonemes
XvVoiceBalance
XvVoiceDuration
opVoicePitchRange
opVoiceRate
opVoiceStress
opVoiceVolume
cue
cueAfter
cueBefore
pause
pauseAfter
pauseBefore
rest
restAfter
restBefore
speak
voiceFamily

External links:

voice-pitch (W3C)

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