Classic biquad approach with instructions for calculating coefficients of various filter shapes: https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook

Classic biquad approach with instructions for calculating coefficients of various filter shapes: https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook.html https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbo... An analog modeling approach, but cross-reference the coefficient calculations! https://cytomic.com/technical-papers/ https://cytomic.com/technical-papers/