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);
}
public static void AssignFrequencyValues(this ObservableDataSource <Point> source, List <double> newValues, int sampleRate)
{
if (newValues == null)
{
return;
}
source.SuspendUpdate();
source.Collection.Clear();
var length = newValues.Count;
for (int i = 0; i < length; i += 20)
{
var x = FrequencyHelpers.GetFrequency(length, i, sampleRate);
source.Collection.Add(new Point {
X = x, Y = newValues[i]
});
}
source.ResumeUpdate();
}