title: How to create a JavaScript Audio Visualizer?
body: <p>I've been searching around looking for some solutions but haven't really found much. I'd like something really simple along the lines of the image below. Has anyone ever used one in a project? Any advice or any API's I could use? Thanks.</p>
  
  <p><a href="https://i.stack.imgur.com/qa6Bo.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/qa6Bo.png" alt="enter image description here"></a></p>