sst::filters::CutoffWarp Namespace Reference

This namespace contains an adaptation of the filter found at https://ccrma.stanford.edu/~jatin/ComplexNonlinearities/NLFeedback.html with coefficient calculation from https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook.html. More...

Enumerations
enum	Saturator { SAT_TANH = 0, SAT_SOFT, SAT_OJD, SAT_SINE }
enum	nlf_coeffs {   nlf_a1 = 0, nlf_a2, nlf_b0, nlf_b1,   nlf_b2, nlf_makeup, n_nlf_coeff }
enum	dlf_state {   nlf_z1, nlf_z2, nlf_z3, nlf_z4,   nlf_z5, nlf_z6, nlf_z7, nlf_z8 }

Functions
template<typename TuningProvider >
void	makeCoefficients (FilterCoefficientMaker< TuningProvider > *cm, float freq, float reso, int type, int subtype, float sampleRate, TuningProvider *provider)
template<FilterSubType subtype>
__m128	process (QuadFilterUnitState *__restrict f, __m128 input)

Detailed Description

This namespace contains an adaptation of the filter found at https://ccrma.stanford.edu/~jatin/ComplexNonlinearities/NLFeedback.html with coefficient calculation from https://webaudio.github.io/Audio-EQ-Cookbook/audio-eq-cookbook.html.

Enumeration Type Documentation

Saturator

enum Saturator

Enumerator
SAT_TANH
SAT_SOFT
SAT_OJD
SAT_SINE

nlf_coeffs

enum nlf_coeffs

Enumerator
nlf_a1
nlf_a2
nlf_b0
nlf_b1
nlf_b2
nlf_makeup
n_nlf_coeff

dlf_state

enum dlf_state

Enumerator
nlf_z1
nlf_z2
nlf_z3
nlf_z4
nlf_z5
nlf_z6
nlf_z7
nlf_z8

Function Documentation

makeCoefficients()

void sst::filters::CutoffWarp::makeCoefficients	(	FilterCoefficientMaker< TuningProvider > *	cm,
		float	freq,
		float	reso,
		int	type,
		int	subtype,
		float	sampleRate,
		TuningProvider *	provider
	)

References sst::filters::TriPoleFilter::ResWaveshaper::alpha, C, sst::filters::utilities::DSP::fastcos(), sst::filters::utilities::DSP::fastsin(), FilterCoefficientMaker< TuningProvider >::FromDirect(), sst::filters::fut_cutoffwarp_bp, sst::filters::fut_cutoffwarp_hp, sst::filters::fut_cutoffwarp_lp, sst::filters::fut_cutoffwarp_n, sst::filters::utilities::limit_range(), sst::filters::n_cm_coeffs, nlf_a1, nlf_a2, nlf_b0, nlf_b1, nlf_b2, and nlf_makeup.

Referenced by FilterCoefficientMaker< TuningProvider >::MakeCoeffs().

process()

__m128 sst::filters::CutoffWarp::process	(	QuadFilterUnitState *__restrict	f,
		__m128	input
	)

References A, n_nlf_coeff, nlf_a1, nlf_a2, nlf_b0, nlf_b1, nlf_b2, nlf_makeup, nlf_z1, and nlf_z2.