private void OnFftCalculated(object sender, FftEventArgs e)
{
NAudio.Dsp.Complex[] result = e.Result;
Dispatcher.Invoke(new Action(() => {
SpecAnalyser.Update(result);
audioBitmap.Update(OpenGLControl.OpenGL, result);
}));
}
public MicrophoneAggregator(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);
}
public SampleAggregator(ISampleProvider source, int fftLength = 1024)
{
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 = new Complex[fftLength];
this.signalBuffer = new float[fftLength];
this.fftArgs = new FftEventArgs(fftBuffer, signalBuffer);
this.source = source;
}