biquad.h

#ifndef BIQUAD_H
#define BIQUAD_H
 
#include "filter.h"

class Biquad : public Filter
{
    protected: 
        // Biquad filter coefficients
        double a0, a1, a2, b0, b1, b2;
 
        double fs;
    public:
        void process(vector<vector<double>>& samples) override;

        virtual void setCoefficients(double, double) = 0;
};
 
 
 
 
#endif