Reza Filter

Reza Filter implements exponential low-pass, high-pass, band-pass, and band-stop filtering

Reza Filter implements exponential low-pass, high-pass, band-pass, and band-stop filtering using frequency-domain magnitude shaping. Primary API: rezafilt (supports auto-tuned sharpness d and optional C++ MEX acceleration).

Low-pass (single cutoff in Hz):

Fs = 250;

x = randn(10000,1);

y_lp = rezafilt(x, Fs, 10, 'low', 'UseMex','auto');

High-pass (single cutoff in Hz):

y_hp = rezafilt(x, Fs, 10, 'high', 'UseMex','auto');

Band-stop / notch:

y_bs = rezafilt(x, Fs, [48 52], 'stop', 'UseMex','auto');

Band-pass:

y_bp = rezafilt(x, Fs, [5 50], 'bandpass', 'UseMex','auto');