Do you want to accept inputs via voice? here is what you need to do.
working on Google Chrome browser
Put the following javascript in the head section of your html.
//adding speach recognition to an html text box 
//Start of speech
<script type="text/javascript">
function voiceInputOver(val){
     alert("Voice input is complete");
     alert("Your input is " + val);
}
</script>

and put the following line of code in the body section
<input onwebkitspeechchange="voiceInputOver(this.value)" x-webkit-speech />

//end of speech


Here is sample working code
<html>
<head>
<script type="text/javascript">
function voiceInputOver(val){
     alert("Voice input is complete");
     alert("Your input is " + val);
}
</script>

 </head>
<body>
<input onwebkitspeechchange="voiceInputOver(this.value)" x-webkit-speech />
</body>
</html>