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91 lines
2.3 KiB
91 lines
2.3 KiB
4 years ago
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#pragma once
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#ifndef DSY_MODAL_H
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#define DSY_MODAL_H
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#include <stdint.h>
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#include "Filters/svf.h"
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#include "PhysicalModeling/resonator.h"
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#include "Noise/dust.h"
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#ifdef __cplusplus
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/** @file modalvoice.h */
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namespace daisysp
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{
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/**
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@brief Simple modal synthesis voice with a mallet exciter: click -> LPF -> resonator.
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@author Ben Sergentanis
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@date Jan 2021
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The click can be replaced by continuous white noise. \n \n
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Ported from pichenettes/eurorack/plaits/dsp/physical_modelling/modal_voice.h \n
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and pichenettes/eurorack/plaits/dsp/physical_modelling/modal_voice.cc \n
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to an independent module. \n
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Original code written by Emilie Gillet in 2016. \n
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*/
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class ModalVoice
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{
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public:
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ModalVoice() {}
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~ModalVoice() {}
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/** Initialize the module
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\param sample_rate Audio engine sample rate
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*/
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void Init(float sample_rate);
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/** Get the next sample
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\param trigger Strike the resonator. Defaults to false.
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*/
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float Process(bool trigger = false);
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/** Continually excite the resonator with noise.
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\param sustain True turns on the noise.
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*/
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void SetSustain(bool sustain);
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/** Strike the resonator. */
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void Trig();
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/** Set the resonator root frequency.
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\param freq Frequency in Hz.
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*/
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void SetFreq(float freq);
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/** Hit the resonator a bit harder.
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\param accent Works 0-1.
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*/
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void SetAccent(float accent);
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/** Changes the general charater of the resonator (stiffness, brightness)
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\param structure Works best from 0-1
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*/
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void SetStructure(float structure);
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/** Set the brighness of the resonator, and the noise density.
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\param brightness Works best 0-1
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*/
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void SetBrightness(float brightness);
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/** How long the resonant body takes to decay.
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\param damping Works best 0-1
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*/
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void SetDamping(float damping);
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/** Get the raw excitation signal. Must call Process() first. */
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float GetAux();
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private:
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float sample_rate_;
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bool sustain_, trig_;
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float f0_, structure_, brightness_, damping_;
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float density_, accent_;
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float aux_;
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ResonatorSvf<1> excitation_filter_;
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Resonator resonator_;
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Dust dust_;
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};
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} // namespace daisysp
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#endif
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#endif
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