ChirpOscillator Class Reference

Inheritance diagram for ChirpOscillator:

Collaboration diagram for ChirpOscillator:

Public Member Functions
	ChirpOscillator (float sr=48000)
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, 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	getSampleRate ()
void	getSamples (FloatArray output)
void	getSamples (FloatArray output, FloatArray fm)
void	reset ()
	Reset oscillator (typically resets phase) More...
void	setFrequency (float freq)
	Set oscillator frequency in Hertz. More...
void	setPhase (float phase)
	Set current oscillator phase in radians. More...
void	setRate (float r)
	Set rate of change: positive for ascending chirp, negative for descending. More...
void	setSampleRate (float sample_rate)
	Set oscillator sample rate. More...
void	trigger ()

Static Public Member Functions
static ChirpOscillator *	create (float sr)
static void	destroy (ChirpOscillator *osc)

Detailed Description

Definition at line 6 of file ChirpOscillator.h.

Constructor & Destructor Documentation

ChirpOscillator()

ChirpOscillator::ChirpOscillator ( float  sr = 48000 )

inline

Definition at line 14 of file ChirpOscillator.h.

Referenced by create().

Member Function Documentation

create()

static ChirpOscillator* ChirpOscillator::create ( float  sr )

inlinestatic

Definition at line 64 of file ChirpOscillator.h.

References ChirpOscillator().

destroy()

static void ChirpOscillator::destroy ( ChirpOscillator *  osc )

inlinestatic

Definition at line 67 of file ChirpOscillator.h.

generate() [1/4]

float ChirpOscillator::generate ( )

inlinevirtual

Produce the next consecutive sample.

Reimplemented from SignalGenerator.

Definition at line 50 of file ChirpOscillator.h.

References M_PI.

generate() [2/4]

float ChirpOscillator::generate ( float  fm )

inlinevirtual

Produce a sample with frequency modulation.

Implements Oscillator.

Definition at line 58 of file ChirpOscillator.h.

generate() [3/4]

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() [4/4]

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 ChirpOscillator::getFrequency ( )

inlinevirtual

Get oscillator frequency in Hertz.

Implements Oscillator.

Definition at line 20 of file ChirpOscillator.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 ChirpOscillator::getPhase ( )

inlinevirtual

Get current oscillator phase in radians.

Returns

a value between 0 and 2*pi

Implements Oscillator.

Definition at line 44 of file ChirpOscillator.h.

getSampleRate()

float ChirpOscillator::getSampleRate ( )

inline

Definition at line 26 of file ChirpOscillator.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().

reset()

void ChirpOscillator::reset ( )

inlinevirtual

Reset oscillator (typically resets phase)

Implements Oscillator.

Definition at line 41 of file ChirpOscillator.h.

Referenced by trigger().

setFrequency()

void ChirpOscillator::setFrequency ( float  value )

inlinevirtual

Set oscillator frequency in Hertz.

Implements Oscillator.

Definition at line 16 of file ChirpOscillator.h.

References M_PI.

setPhase()

void ChirpOscillator::setPhase ( float  phase )

inlinevirtual

Set current oscillator phase in radians.

Parameters

phase

a value between 0 and 2*pi

Implements Oscillator.

Definition at line 47 of file ChirpOscillator.h.

setRate()

void ChirpOscillator::setRate ( float  r )

inline

Set rate of change: positive for ascending chirp, negative for descending.

+1 doubles frequency in one second -1 halves frequency in one second

Definition at line 34 of file ChirpOscillator.h.

setSampleRate()

void ChirpOscillator::setSampleRate ( float  value )

inlinevirtual

Set oscillator sample rate.

Reimplemented from Oscillator.

Definition at line 23 of file ChirpOscillator.h.

trigger()

void ChirpOscillator::trigger ( )

inline

Definition at line 37 of file ChirpOscillator.h.

References M_PI, and reset().

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

• ChirpOscillator.h