title: how to implement and show Sound Amplitude graphically on iOS?
body: <p>The task is to show amplitude of the voice spoken into the Mic of the phone and show the amplitude like this:</p>
  
  <p><img src="https://i.stack.imgur.com/hVHRm.png" alt="enter image description here"></p>
  
  <p>Can someone please guide me how can i achieve this.</p>
  
  <p>Thanks everyone.</p>