IIR / FIR filter design
Pick a type, order and cutoff; the response and pole-zero map update live.
Coefficients
Normalised frequency, Nyquist = 1. The FIR branch is linear phase.
Pick a type, order and cutoff; the response and pole-zero map update live.
Normalised frequency, Nyquist = 1. The FIR branch is linear phase.