protected virtual void OnFftCalculated(FftEventArgs e)
{
EventHandler <FftEventArgs> handler = FftCalculated;
if (handler != null)
{
handler(this, e);
}
}
public SampleAggregator(ISampleProvider source, int fftLength = 2048)
{
channels = source.WaveFormat.Channels;
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[0] = new Complex[fftLength];
this.fftBuffer[1] = new Complex[fftLength];
this.fftBuffer[2] = new Complex[fftLength];
this.fftArgs = new FftEventArgs(fftBuffer[0]);
this.source = source;
// moje zmiany
filters = new BiQuadFilter[3];
filters[0] = BiQuadFilter.LowPassFilter(44100, 500, 1);
filters[1] = BiQuadFilter.BandPassFilterConstantPeakGain(44100, 1750, 1);
filters[2] = BiQuadFilter.HighPassFilter(44100, 3000, 1);
}
void audioGraph_FftCalculated(object sender, FftEventArgs e)
{
spectrumAnalyser.Update(e.Result, e.currentFilterIndex);
}