Audio Play Speed Setting playbackRate Tutorial
Learn to add playback speed control to your HTML5 audio and video multimedia programs using JavaScript.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script>
function initAudio(){
var audio = new Audio();
audio.src = "audio/Stoker.ogg";
audio.play();
var speedlist = document.getElementById("speedlist");
speedlist.addEventListener("change",changeSpeed);
function changeSpeed(event){
audio.playbackRate = event.target.value;
}
}
window.addEventListener("load", initAudio);
</script>
</head>
<body>
<select id="speedlist">
<option value="1">change speed</option>
<option value=".5">.5</option>
<option value="1">Normal</option>
<option value="1.5">1.5</option>
<option value="2">2</option>
</select>
</body>
</html>