title: How to calculate latency (or delay) from statistics?
body: <p>I would to calculate latency time of a running audio/video call.</p>
  
  <p>According to <a href="http://pastebin.com/raw.php?i=q45AAVFM" rel="nofollow">these parameters of RTCStatsReport object</a>, how can I retrieve the delay time?</p>
  
  <pre><code>latency = packetsize / delay + bandwidth 
  </code></pre>