An oscillator similar to QuadratureSineOscillator class that also includes feedback control. More...

Inheritance diagram for FeedbackQuadratureSineOscillator:

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Collaboration diagram for FeedbackQuadratureSineOscillator:

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Public Member Functions
Sample	generate ()
	Produce the next consecutive sample. More...

void	generate (ComplexFloatArray output)

void	generate (ComplexFloatArray output, FloatArray fm)

Sample	generate (float fm)
	Produce a sample with frequency modulation. More...

virtual void	generate (FloatArray output)
	Produce a block of samples. More...

virtual void	generate (FloatArray output, FloatArray fm)
	Produce a block of samples with frequency modulation. More...

float	getFeedback () const

float	getFrequency ()
	Get oscillator frequency in Hertz. More...

float	getNextSample ()

float	getNextSample (float fm)

float	getPhase ()
	Get current oscillator phase in radians. More...

ComplexFloat	getSample ()

float	getSampleRate ()

void	getSamples (FloatArray output)

void	getSamples (FloatArray output, FloatArray fm)

void	reset ()
	Reset oscillator (typically resets phase) More...

void	setFeedback (float feedback)

void	setFrequency (float freq)
	Set oscillator frequency in Hertz. More...

void	setPhase (float ph)
	Set current oscillator phase in radians. More...

void	setSampleRate (float sr)
	Set oscillator sample rate. More...

Static Public Member Functions
static T *	create (float sr)

static void	destroy (T *osc)

Static Public Attributes
static constexpr float	begin_phase = 0

static constexpr float	end_phase = 2 * M_PI

Static Protected Member Functions
static float	polyblep (float t, float dt)
	Calculate poly blep antialiasing compensation on normalised (to range [0, 1]) phase and phase increment (angular rate) values. More...

Protected Attributes
float	feedback = 0

float	incr = 0

ComplexFloat	last_sample = 0

float	mul = 1

float	phase = 0

Detailed Description

An oscillator similar to QuadratureSineOscillator class that also includes feedback control.

Feedback value is a scalar value, meaning that both real and imaginary axis get the same amount of feeback

Definition at line 45 of file QuadratureSineOscillator.h.

Member Function Documentation

◆ create()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

static T* OscillatorTemplate< T, BaseOscillator, Sample >::create ( float sr )

inlinestaticinherited

Definition at line 115 of file Oscillator.h.

◆ destroy()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

static void OscillatorTemplate< T, BaseOscillator, Sample >::destroy ( T * osc )

inlinestaticinherited

Definition at line 120 of file Oscillator.h.

◆ generate() [1/6]

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

Sample OscillatorTemplate< T, BaseOscillator, Sample >::generate ( )

inlinevirtualinherited

Produce the next consecutive sample.

Reimplemented from SignalGenerator.

Definition at line 99 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::incr, and OscillatorTemplate< T, BaseOscillator, Sample >::phase.

◆ generate() [2/6]

void FeedbackQuadratureSineOscillator::generate ( ComplexFloatArray output )

inline

Definition at line 60 of file QuadratureSineOscillator.h.

References end_phase, feedback, SimpleArray< T >::getSize(), ComplexFloat::im, ComplexFloatArray::im(), OscillatorTemplate< T, BaseOscillator, Sample >::incr, last_sample, OscillatorTemplate< T, BaseOscillator, Sample >::phase, ComplexFloat::re, and ComplexFloatArray::re().

◆ generate() [3/6]

void FeedbackQuadratureSineOscillator::generate	(	ComplexFloatArray	output,
		FloatArray	fm
	)

inline

Definition at line 70 of file QuadratureSineOscillator.h.

References end_phase, feedback, SimpleArray< T >::getSize(), ComplexFloat::im, ComplexFloatArray::im(), OscillatorTemplate< T, BaseOscillator, Sample >::incr, last_sample, OscillatorTemplate< T, BaseOscillator, Sample >::phase, ComplexFloat::re, and ComplexFloatArray::re().

◆ generate() [4/6]

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

Sample OscillatorTemplate< T, BaseOscillator, Sample >::generate ( float fm )

inlinevirtualinherited

Produce a sample with frequency modulation.

Implements Oscillator.

Definition at line 106 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::incr, and OscillatorTemplate< T, BaseOscillator, Sample >::phase.

◆ generate() [5/6]

virtual void SignalGenerator::generate ( FloatArray output )

inlinevirtualinherited

Produce a block of samples.

Reimplemented in VosimOscillator, VoiceAllocatorSignalGenerator< Allocator, SynthVoice, VOICES >, AntialiasedSquareWaveOscillator, SineOscillator, SampleOscillator< im >, AntialiasedRampOscillator, PolyBlepOscillator, and MorphingOscillator.

Definition at line 25 of file SignalGenerator.h.

References SignalGenerator::generate(), and SimpleArray< T >::getSize().

◆ generate() [6/6]

virtual void Oscillator::generate	(	FloatArray	output,
		FloatArray	fm
	)

inlinevirtualinherited

Produce a block of samples with frequency modulation.

Reimplemented in VosimOscillator, SineOscillator, SampleOscillator< im >, PolyBlepOscillator, and MorphingOscillator.

Definition at line 50 of file Oscillator.h.

References Oscillator::generate(), and SimpleArray< T >::getSize().

◆ getFeedback()

float FeedbackQuadratureSineOscillator::getFeedback ( ) const

inline

Definition at line 52 of file QuadratureSineOscillator.h.

References feedback.

◆ getFrequency()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

float OscillatorTemplate< T, BaseOscillator, Sample >::getFrequency ( )

inlinevirtualinherited

Get oscillator frequency in Hertz.

Implements Oscillator.

Definition at line 86 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::incr, and OscillatorTemplate< T, BaseOscillator, Sample >::mul.

Referenced by VosimOscillator::getFormant1(), VosimOscillator::getFormant2(), and OscillatorTemplate< T, BaseOscillator, Sample >::setSampleRate().

◆ getNextSample() [1/2]

float Oscillator::getNextSample ( )

inlineinherited

Definition at line 55 of file Oscillator.h.

References Oscillator::generate().

◆ getNextSample() [2/2]

float Oscillator::getNextSample ( float fm )

inlineinherited

Definition at line 57 of file Oscillator.h.

References Oscillator::generate().

◆ getPhase()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

float OscillatorTemplate< T, BaseOscillator, Sample >::getPhase ( )

inlinevirtualinherited

Get current oscillator phase in radians.

Returns: a value between 0 and 2*pi

Implements Oscillator.

Definition at line 92 of file Oscillator.h.

References M_PI, and OscillatorTemplate< T, BaseOscillator, Sample >::phase.

◆ getSample()

ComplexFloat FeedbackQuadratureSineOscillator::getSample ( )

inline

Definition at line 55 of file QuadratureSineOscillator.h.

References feedback, ComplexFloat::im, last_sample, OscillatorTemplate< T, BaseOscillator, Sample >::phase, and ComplexFloat::re.

◆ getSampleRate()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

float OscillatorTemplate< T, BaseOscillator, Sample >::getSampleRate ( )

inlineinherited

Definition at line 80 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::mul.

◆ getSamples() [1/2]

void Oscillator::getSamples ( FloatArray output )

inlineinherited

Definition at line 59 of file Oscillator.h.

References Oscillator::generate().

◆ getSamples() [2/2]

void Oscillator::getSamples	(	FloatArray	output,
		FloatArray	fm
	)

inlineinherited

Definition at line 63 of file Oscillator.h.

References Oscillator::generate().

◆ polyblep()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

static float OscillatorTemplate< T, BaseOscillator, Sample >::polyblep	(	float	t,
		float	dt
	)

inlinestaticprotectedinherited

Calculate poly blep antialiasing compensation on normalised (to range [0, 1]) phase and phase increment (angular rate) values.

Definition at line 128 of file Oscillator.h.

◆ reset()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

void OscillatorTemplate< T, BaseOscillator, Sample >::reset ( )

inlinevirtualinherited

Reset oscillator (typically resets phase)

Implements Oscillator.

Definition at line 96 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::phase.

Referenced by VosimOscillator::generate(), and AntialiasedRampOscillator::reset().

◆ setFeedback()

void FeedbackQuadratureSineOscillator::setFeedback ( float feedback )

inline

Definition at line 49 of file QuadratureSineOscillator.h.

References feedback.

◆ setFrequency()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

void OscillatorTemplate< T, BaseOscillator, Sample >::setFrequency ( float value )

inlinevirtualinherited

Set oscillator frequency in Hertz.

Implements Oscillator.

Definition at line 83 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::incr, and OscillatorTemplate< T, BaseOscillator, Sample >::mul.

Referenced by VosimOscillator::setFormant1(), VosimOscillator::setFormant2(), and OscillatorTemplate< T, BaseOscillator, Sample >::setSampleRate().

◆ setPhase()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

void OscillatorTemplate< T, BaseOscillator, Sample >::setPhase ( float phase )

inlinevirtualinherited

Set current oscillator phase in radians.

Parameters

phase a value between 0 and 2*pi

Implements Oscillator.

Definition at line 89 of file Oscillator.h.

References M_PI, and OscillatorTemplate< T, BaseOscillator, Sample >::phase.

Referenced by VosimOscillator::generate(), and AntialiasedRampOscillator::setPhase().

◆ setSampleRate()

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

void OscillatorTemplate< T, BaseOscillator, Sample >::setSampleRate ( float value )

inlinevirtualinherited

Set oscillator sample rate.

Reimplemented from Oscillator.

Definition at line 75 of file Oscillator.h.

References OscillatorTemplate< T, BaseOscillator, Sample >::getFrequency(), OscillatorTemplate< T, BaseOscillator, Sample >::mul, and OscillatorTemplate< T, BaseOscillator, Sample >::setFrequency().

Referenced by VosimOscillator::create().

Field Documentation

◆ begin_phase

constexpr float FeedbackQuadratureSineOscillator::begin_phase = 0

staticconstexpr

Definition at line 47 of file QuadratureSineOscillator.h.

◆ end_phase

constexpr float FeedbackQuadratureSineOscillator::end_phase = 2 * M_PI

staticconstexpr

Definition at line 48 of file QuadratureSineOscillator.h.

Referenced by generate().

◆ feedback

float FeedbackQuadratureSineOscillator::feedback = 0

protected

Definition at line 83 of file QuadratureSineOscillator.h.

Referenced by generate(), getFeedback(), getSample(), and setFeedback().

◆ incr

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

float OscillatorTemplate< T, BaseOscillator, Sample >::incr = 0

protectedinherited

Definition at line 73 of file Oscillator.h.

Referenced by OscillatorTemplate< T, BaseOscillator, Sample >::generate(), QuadratureSineOscillator::generate(), generate(), ComplexFeedbackQuadratureSineOscillator::generate(), OscillatorTemplate< T, BaseOscillator, Sample >::getFrequency(), and OscillatorTemplate< T, BaseOscillator, Sample >::setFrequency().

◆ last_sample

ComplexFloat FeedbackQuadratureSineOscillator::last_sample = 0

protected

Definition at line 84 of file QuadratureSineOscillator.h.

Referenced by generate(), and getSample().

◆ mul

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

float OscillatorTemplate< T, BaseOscillator, Sample >::mul = 1

protectedinherited

Definition at line 71 of file Oscillator.h.

Referenced by OscillatorTemplate< T, BaseOscillator, Sample >::getFrequency(), OscillatorTemplate< T, BaseOscillator, Sample >::getSampleRate(), OscillatorTemplate< T, BaseOscillator, Sample >::setFrequency(), and OscillatorTemplate< T, BaseOscillator, Sample >::setSampleRate().

◆ phase

template<class T , class BaseOscillator = Oscillator, typename Sample = float>

float OscillatorTemplate< T, BaseOscillator, Sample >::phase = 0

protectedinherited

Definition at line 72 of file Oscillator.h.

Referenced by OscillatorTemplate< T, BaseOscillator, Sample >::generate(), QuadratureSineOscillator::generate(), generate(), ComplexFeedbackQuadratureSineOscillator::generate(), OscillatorTemplate< T, BaseOscillator, Sample >::getPhase(), QuadratureSineOscillator::getSample(), getSample(), ComplexFeedbackQuadratureSineOscillator::getSample(), OscillatorTemplate< T, BaseOscillator, Sample >::reset(), and OscillatorTemplate< T, BaseOscillator, Sample >::setPhase().

The documentation for this class was generated from the following file:

QuadratureSineOscillator.h

Public Member Functions

Static Public Member Functions

Static Public Attributes

Static Protected Member Functions

Protected Attributes

Detailed Description

Member Function Documentation

◆ create()

◆ destroy()

◆ generate() [1/6]

◆ generate() [2/6]

◆ generate() [3/6]

◆ generate() [4/6]

◆ generate() [5/6]

◆ generate() [6/6]

◆ getFeedback()

◆ getFrequency()

◆ getNextSample() [1/2]

◆ getNextSample() [2/2]

◆ getPhase()

◆ getSample()

◆ getSampleRate()

◆ getSamples() [1/2]

◆ getSamples() [2/2]

◆ polyblep()

◆ reset()

◆ setFeedback()

◆ setFrequency()

◆ setPhase()

◆ setSampleRate()

Field Documentation

◆ begin_phase

◆ end_phase

◆ feedback

◆ incr

◆ last_sample

◆ mul

◆ phase