The NoiseOscillator generates random values in the range [-1, 1] at a given frequency. More...

Inheritance diagram for NoiseOscillator:

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Collaboration diagram for NoiseOscillator:

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

virtual float	generate ()
	Produce the next consecutive sample. More...

float	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)
	Produce a block of samples. More...

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

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

float	getNextSample ()

float	getNextSample (float fm)

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

float	getSample ()

float	getSampleRate ()

void	getSamples (FloatArray output)

void	getSamples (FloatArray output, FloatArray fm)

	NoiseOscillator ()

	NoiseOscillator (float sr)

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

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 NoiseOscillator *	create (float sr)

static void	destroy (NoiseOscillator *osc)

Static Public Attributes
static constexpr float	begin_phase = 0

static constexpr float	end_phase = 1

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	incr

float	mul

float	phase

float	sample = 0

Detailed Description

The NoiseOscillator generates random values in the range [-1, 1] at a given frequency.

It behaves like a white noise generator going into a sample and hold.

Definition at line 11 of file NoiseOscillator.h.

Constructor & Destructor Documentation

◆ NoiseOscillator() [1/2]

NoiseOscillator::NoiseOscillator ( )

inline

Definition at line 17 of file NoiseOscillator.h.

◆ NoiseOscillator() [2/2]

NoiseOscillator::NoiseOscillator ( float sr )

inline

Definition at line 18 of file NoiseOscillator.h.

References OscillatorTemplate< NoiseOscillator >::setSampleRate().

Member Function Documentation

◆ create()

static NoiseOscillator * OscillatorTemplate< NoiseOscillator , Oscillator , float >::create ( float sr )

inlinestaticinherited

Definition at line 115 of file Oscillator.h.

◆ destroy()

static void OscillatorTemplate< NoiseOscillator , Oscillator , float >::destroy ( NoiseOscillator * osc )

inlinestaticinherited

Definition at line 120 of file Oscillator.h.

◆ generate() [1/6]

float NoiseOscillator::generate ( )

inlinevirtual

Produce the next consecutive sample.

Reimplemented from SignalGenerator.

Definition at line 24 of file NoiseOscillator.h.

References OscillatorTemplate< NoiseOscillator >::incr, OscillatorTemplate< NoiseOscillator >::phase, randf(), and sample.

◆ generate() [2/6]

virtual float SignalGenerator::generate

inlinevirtual

Produce the next consecutive sample.

Reimplemented from SignalGenerator.

Definition at line 19 of file SignalGenerator.h.

◆ generate() [3/6]

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::generate ( float fm )

inlinevirtualinherited

Produce a sample with frequency modulation.

Implements Oscillator.

Definition at line 106 of file Oscillator.h.

◆ generate() [4/6]

virtual void SignalGenerator::generate

inlinevirtual

Produce a block of samples.

Reimplemented from SignalGenerator.

Definition at line 25 of file SignalGenerator.h.

◆ 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().

◆ getFrequency()

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::getFrequency ( )

inlinevirtualinherited

Get oscillator frequency in Hertz.

Implements Oscillator.

Definition at line 86 of file Oscillator.h.

◆ 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()

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::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.

◆ getSample()

float NoiseOscillator::getSample ( )

inline

Definition at line 21 of file NoiseOscillator.h.

References sample.

◆ getSampleRate()

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::getSampleRate ( )

inlineinherited

Definition at line 80 of file Oscillator.h.

◆ 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()

static float OscillatorTemplate< NoiseOscillator , Oscillator , float >::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()

void NoiseOscillator::reset ( )

inlinevirtual

Reset oscillator (typically resets phase)

Implements Oscillator.

Definition at line 33 of file NoiseOscillator.h.

References OscillatorTemplate< NoiseOscillator >::phase, randf(), and sample.

◆ setFrequency()

void OscillatorTemplate< NoiseOscillator , Oscillator , float >::setFrequency ( float freq )

inlinevirtualinherited

Set oscillator frequency in Hertz.

Implements Oscillator.

Definition at line 83 of file Oscillator.h.

◆ setPhase()

void OscillatorTemplate< NoiseOscillator , Oscillator , float >::setPhase ( float ph )

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.

◆ setSampleRate()

void OscillatorTemplate< NoiseOscillator , Oscillator , float >::setSampleRate ( float sr )

inlinevirtualinherited

Set oscillator sample rate.

Reimplemented from Oscillator.

Definition at line 75 of file Oscillator.h.

Field Documentation

◆ begin_phase

constexpr float NoiseOscillator::begin_phase = 0

staticconstexpr

Definition at line 15 of file NoiseOscillator.h.

◆ end_phase

constexpr float NoiseOscillator::end_phase = 1

staticconstexpr

Definition at line 16 of file NoiseOscillator.h.

◆ incr

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::incr

protectedinherited

Definition at line 73 of file Oscillator.h.

◆ mul

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::mul

protectedinherited

Definition at line 71 of file Oscillator.h.

◆ phase

float OscillatorTemplate< NoiseOscillator , Oscillator , float >::phase

protectedinherited

Definition at line 72 of file Oscillator.h.

◆ sample

float NoiseOscillator::sample = 0

protected

Definition at line 13 of file NoiseOscillator.h.

Referenced by generate(), getSample(), and reset().

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

NoiseOscillator.h

Public Member Functions

Static Public Member Functions

Static Public Attributes

Static Protected Member Functions

Protected Attributes

Detailed Description

Constructor & Destructor Documentation

◆ NoiseOscillator() [1/2]

◆ NoiseOscillator() [2/2]

Member Function Documentation

◆ create()

◆ destroy()

◆ generate() [1/6]

◆ generate() [2/6]

◆ generate() [3/6]

◆ generate() [4/6]

◆ generate() [5/6]

◆ generate() [6/6]

◆ getFrequency()

◆ getNextSample() [1/2]

◆ getNextSample() [2/2]

◆ getPhase()

◆ getSample()

◆ getSampleRate()

◆ getSamples() [1/2]

◆ getSamples() [2/2]

◆ polyblep()

◆ reset()

◆ setFrequency()

◆ setPhase()

◆ setSampleRate()

Field Documentation

◆ begin_phase

◆ end_phase

◆ incr

◆ mul

◆ phase

◆ sample