private void SoundPlay(WaveOut waveOut, BinauralBeatsWaveOscillator wave, Polyline line, int leftFrequency, int rightFrequency, short amplitude)
{
double volumeGainFactor = 0.01;
waveOut.Volume = (float)(amplitudeSlider.Value * volumeGainFactor);
wave.LeftFrequency = leftFrequency;
wave.RightFrequency = rightFrequency;
wave.Amplitude = amplitude;
waveOut.Play();
waveGraphDrawing(line, wave, waveOut);
}
private void waveGraphDrawing(Polyline line, BinauralBeatsWaveOscillator wave, WaveOut waveOut)
{
line.Points.Clear();
double halfCanvasActualHeight = waveGraphCanvas.ActualHeight / 2;
double minusHalfCanvasActualHeight = halfCanvasActualHeight * (-1);
for (int i = 0; i < waveGraphCanvas.ActualWidth; i++)
{
line.Points.Add(new Point(i, (double)wave.drawBuffer[2*i] / (double)wave.Amplitude * minusHalfCanvasActualHeight * waveOut.Volume + halfCanvasActualHeight));
}
waveTip.Text = string.Format("Current Wave: {0}\t Frequency: {1}\t Amplitude: {2}\t", wave.currentType, wave.LeftFrequency, (int)(wave.Amplitude * waveOut.Volume));
}