New Post: Simple waveform visualizing

private void input_DataAvailable(object sender, NAudio.Wave.WaveInEventArgs e)
{   
  if (OnVolumePeak != null)
  {
    float max = 0;
    float min = 0;

    for (int index = 0; index < e.BytesRecorded; index += 2)
    {
      short sample = (short)((e.Buffer[index+1]<<8) | (e.Buffer[index]) );
      float sample32 = sample / 32768f;

      max = Math.Max(sample32, max);
      min = Math.Min(sample32, min);
    }

    OnVolumePeak(this, max, min);

  }

  if (_state == State.RECORDING)
  {
    if (waveWriter != null)
    {
      waveWriter.WriteData(e.Buffer, 0, e.BytesRecorded);
      waveWriter.Flush();
    }

    memStream.Write(e.Buffer, 0, e.BytesRecorded);
  }
            
}

public void am_OnVolumePeak(object Sender, float max, float min)
{
  max = Math.Max(max, Math.Abs(min));
  wavePainter.AddMax(max);
}