public ActionResult Create(ChirpModel cm)
{
try
{
ChirpManager.Add(User.Identity.Name, cm.Chirp);
return(RedirectToAction("Index", "Home"));
}
catch
{
return(View());
}
}
private static IEnumerable <Complex> ChirpFFT(float[] data, ChirpModel model, LocalRange range)
{
if (model == null)
{
return(null);
}
var fftComplex = new Complex[data.Length]; // the FFT function requires complex format
for (int i = 0; i < fftComplex.Length; i++)
{
fftComplex[i] = new Complex(data[i], 0.0);// make it complex format (imaginary = 0)
}
return(FFTProcessor.ChirpTransform(fftComplex, range, model.SampleRate));
}
private IEnumerable <double> GetLocalPeaks(float[] input, IEnumerable <LocalRange> models, ChirpModel mainModel)
{
var peaks = new List <double>();
Parallel.ForEach <LocalRange>(models, x =>
{
var complexResult = ChirpFFT(input, mainModel, x);
peaks.Add(FrequencyHelpers.GetZoomedFrequency(complexResult.GetPeakIndex(), x.LeftThreshold, x.RightThreshold, x.ZoomOptions.TargetNumberOfSamples));
});
return(peaks);
}
