public async void OpenFile(string fn)
{
this.Cursor = Cursors.Wait;
Analyzer = new AudioLib.Analyzer(fn);
Settings.Instance.SamplingFreq = Analyzer.SampleRate;
//analyzer.Dft();
//analyzer.CalcSpectrogram();
await Task.Run(() => Analyzer.CalcPower());
await Task.Run(() => Analyzer.CalcPitch());
this.Cursor = null;
//SetSpector(analyzer.Freq.Select((x, i) => new OxyPlot.DataPoint(analyzer.FreqPerIndex * i, x)));
plot.Model = SetSpectrogram(Analyzer.Pitch.Select((x, i) => new OxyPlot.DataPoint(i / (double)Settings.Instance.SamplingFreq, x)));
plot2.Model = SetPowergram(Analyzer.PowerTime.Select((x, i) => new OxyPlot.DataPoint(i / (double)Settings.Instance.SamplingFreq, x)));
plot2.InvalidatePlot();
plot.InvalidatePlot();
DevelopManager.SetSource(Analyzer.Pitch.Select(x => x / (FileUtil.SampleRate / 2)).ToArray(), Analyzer.PowerTime);
}
public bool IsValidWaveform()
{
Analyzer.CalcPitch();
return(Analyzer.Pitch.Any(x => x != 0));
}