title: NAudio display both channels in WaveViewer
body: <p>I am using NAudio's WaveViewer UI control where I display the waveform using</p>
  
  <pre><code>this.customWaveViewer1.WaveStream = new NAudio.Wave.WaveFileReader(filename);
  </code></pre>
  
  <p>I am wondering how can I display each channel in it's own WaveViewer? </p>