void FftCalculated(object sender, FftEventArgs fftEvent)
{
double[] spectrumData = CalculateSpectrum(fftEvent.Result);
dataBuffer.Enqueue(spectrumData);
if (dataBuffer.Count <double[]>() >= bufferLenght)
{
double[] average = new double[spectrumData.Length];
for (int i = 0; i < spectrumData.Length; i++)
{
average[i] = dataBuffer.Sum <double[]>((x) => x[i]) / dataBuffer.Count <double[]>();
//if (average.Max((x) => Math.Abs(x)) > temp)
//{
// temp = average.Max((x) => Math.Abs(x));
//}
}
while (dataBuffer.Count <double[]>() != bufferLenght)
{
dataBuffer.Dequeue();
}
//double[] spectrumBars = SpectrumBars(average);
SpectrumCalculated.Invoke(average);
}
}
private void CalculateSpectrum()
{
if (_spectrumChannel == null)
{
return;
}
var readLength = (int)(SamplingFrequency * WindowDuration);
if (readLength <= 0)
{
return;
}
var offset = _spectrumChannel.TotalLength - readLength;
if (offset < 0)
{
offset = 0;
readLength = _spectrumChannel.TotalLength;
}
Spectrum = new Spectrum(_spectrumChannel.Info.Name,
_spectrumChannel.ReadData(offset, readLength));
SpectrumCalculated?.Invoke(this, null);
}
