public LineSpectrum(Frame frame, FftSize size, BasicSpectrumProvider provider)
{
Frame = frame;
FftSize = (int)size;
MaxFftIndex = FftSize / 2 - 1;
SpectrumProvider = provider;
Amplifier = 1;
MinimumFrequency = 20;
MaximumFrequency = 20000;
SpectrumResolution = MatrixPanel.Width;
UpdateFrequencyMapping();
}
private void SetupSource(ISampleSource source)
{
var spectrumProvider = new BasicSpectrumProvider(source.WaveFormat.Channels, source.WaveFormat.SampleRate, FftSize.Fft4096);
Spectrum = new LineSpectrum(Frame, FftSize.Fft4096, spectrumProvider)
{
UseAverage = true,
IsXLogScale = true,
ScalingStrategy = ScalingStrategy.Decibel
};
var notificationSource = new SingleBlockNotificationStream(source);
notificationSource.SingleBlockRead += (sender, args) => spectrumProvider.Add(args.Left, args.Right);
Source = notificationSource.ToWaveSource(16);
}