vcf2

2-pole resonant low-pass filter (biquad), filter updated at k-rate
Author: Johannes Taelman
License: BSD
Github: filter/vcf2.axo

Inlets

frac32buffer filter input

frac32 pitch

frac32 filter resonance

Outlets

frac32buffer filter output

Parameters

frac32.s.map pitch

Declaration
data_filter_biquad_A fd;
Init
init_filter_biquad_A(&fd);
Control Rate
{
  int32_t freq;
  MTOF(param_pitch + inlet_pitch, freq);
  f_filter_biquad_A(&fd, inlet_in, outlet_out, freq,
                    INT_MAX - (__USAT(inlet_reso, 27) << 4));
}

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