public AudioType()
{
_device = new MMDeviceEnumerator()
.EnumerateAudioEndPoints(DataFlow.All, DeviceState.Active).FirstOrDefault();
_sampleAggregator.FftCalculated += FftCalculated;
_sampleAggregator.PerformFFT = true;
// Start listening for sound data
_waveIn = new WasapiLoopbackCapture();
_waveIn.DataAvailable += OnDataAvailable;
_waveIn.StartRecording();
}