title: How to render audio waveform on HTML5 canvas?
body: <p>I want to render a waveform for an audio file (ogg and/or mp3) to a canvas element.</p>
  
  <p>I was wondering if there were any libraries that would make this simple? I am looking for a result along these lines: <a href="http://plucked.de/">http://plucked.de/</a></p>