<apex:page >
    <apex:includeScript value="{!$Resource.jquery_1_12_7}"/>
    <apex:includeScript value="{!$Resource.jqueryvoicersstts}"/>
    <p id="text2read">The output is ten</p>
    <script type="text/javascript">
        $.speech({
            key: '<Your API Key>',
            src: $('#text2read').text(),
            hl: 'en-us',
            r: 0,
            c: 'mp3',
            f: '44khz_16bit_stereo',
            ssml: false
        });
    </script>
</apex:page>