lp lin
2-pole resonant low-pass filter (biquad)
Inlets
frac32buffer filter input
Outlets
frac32buffer filter output
Parameters
frac32.u.map.freq freq
frac32.u.map.filterq reso
Declaration
biquad_state bs;
biquad_coefficients bc;
Init
biquad_clearstate(&bs);
Control Rate
biquad_lp_coefs(&bc, param_freq, INT_MAX - (__USAT(param_reso, 27) << 4));
biquad_dsp(&bs, &bc, inlet_in, outlet_out);