title: Java Program to create a PNG waveform for an audio file
body: <p>How can you convert a Wav file into a PNG waveform image file using Java?</p>
  
  <pre><code>java MyProgram.class [path to wav file] [path where to write png file]
  </code></pre>
  
  <p>Expected results:</p>
  
  <p>Png saved in path specified is a waveform of the wav file passed in.</p>