public MainWindow()
{
_inputFile = new WavFile($"../../../../Samples/{InputSample}");
InitializeComponent();
_soundMesh = new SoundMesh(MeshRows, MeshCols, 6);
_speaker = new Speaker(new FrequencyGenerator(220), _soundMesh, 1);
//_speaker = new Speaker(new WavGenerator(_inputFile), _soundMesh, 1);
_soundMesh.AddSpeaker(_speaker);
_microphone = new Microphone(_soundMesh, MeshRows / 2, MeshCols / 4);
_soundMesh.AddMicrophone(_microphone);
_imageBitmap = new Bitmap(ScreenWidth, ScreenHeight, PixelFormat.Format32bppArgb);
_backBuffer = new WriteableBitmap(ScreenWidth, ScreenHeight, 96, 96, PixelFormats.Bgra32, null);
BackBuffer.Source = _backBuffer;
_isActive = true;
_updateThread = new Thread(GameLoop);
_updateThread.Start();
}
public void SaveRecording(string outputPath, uint sampleRate)
{
double maxAmplitude = 0;
// Find the max amplitude
foreach (double amplitude in _amplitudes)
{
if (Math.Abs(amplitude) > maxAmplitude)
{
maxAmplitude = Math.Abs(amplitude);
}
}
// Normalize all amplitudes and generate samples
var normalizedAmplitudes = new List <float>();
foreach (double amplitude in _amplitudes)
{
float normalizedAmplitude = (float)(amplitude / maxAmplitude);
normalizedAmplitudes.Add(normalizedAmplitude);
}
var waveFile = new WavFile
{
SampleRate = sampleRate,
ChannelCount = 1,
BitsPerSample = 32,
Samples = normalizedAmplitudes.ToArray()
};
waveFile.Save(outputPath);
}
