<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width" />

    <title>Web Audio API: Compressor example</title>
  </head>

  <body>
    <h1>Web Audio API: Compressor example</h1>
    <audio controls>
      <source src="viper.ogg" type="audio/ogg" />
      <source src="viper.mp3" type="audio/mp3" />
      <p>This demo needs a browser supporting the &lt;audio&gt; element.</p>
    </audio>
    <button data-active="false">Add compression</bu