public SampleAggregator(int fftLength)
 {
     if (!IsPowerOfTwo(fftLength))
     {
         throw new ArgumentException("FFT Length must be a power of two");
     }
     this.m         = (int)Math.Log(fftLength, 2.0);
     this.fftLength = fftLength;
     this.fftBuffer = new Complex[fftLength];
     this.fftArgs   = new FftEventArgs(fftBuffer);
 }
Beispiel #2
0
        void FftCalculated(object sender, FftEventArgs e)
        {
            c = e.Result;

            freq_str = "";
            if (c != null)
            {
                for (int i = 0; i < spectre_peaks.Length; i++)
                {
                    last_peaks[i] = spectre_peaks[i];
                }
                nullify_spectre_peaks();
                for (int j = 0; j < fftLength / 2; j++)
                {
                    y[j]      = (float)((Math.Sqrt(c[j].X * c[j].X + c[j].Y * c[j].Y)));
                    freq      = j * 44100f / fftLength;
                    freq_str += freq + "\n";
                    set_spectre_peak(freq, y[j]);

                    Invalidate();
                }
                Invalidate();
            }
        }
Beispiel #3
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 void FftCalculated(object sender, FftEventArgs e)
 {
     c = e.Result;
     //e.Result;
     // Do something with e.result!
 }