DelayAPF Class Reference

The DelayAPF object implements a delaying APF with optional LPF and optional modulated delay time with LFO. More...

#include <fxobjects.h>

Inheritance diagram for DelayAPF:

Public Member Functions
virtual bool	reset (double _sampleRate)
virtual double	processAudioSample (double xn)
virtual bool	canProcessAudioFrame ()
DelayAPFParameters	getParameters ()
void	setParameters (const DelayAPFParameters &params)
void	createDelayBuffer (double _sampleRate, double delay_mSec)
Public Member Functions inherited from IAudioSignalProcessor
virtual bool	reset (double _sampleRate)=0
virtual double	processAudioSample (double xn)=0
virtual bool	canProcessAudioFrame ()=0
virtual void	setSampleRate (double _sampleRate)
virtual void	enableAuxInput (bool enableAuxInput)
virtual double	processAuxInputAudioSample (double xn)
virtual bool	processAudioFrame (const float *inputFrame, float *outputFrame, uint32_t inputChannels, uint32_t outputChannels)

Protected Attributes
DelayAPFParameters	delayAPFParameters
	obeject parameters
double	sampleRate = 0.0
	current sample rate
double	bufferLength_mSec = 0.0
	total buffer length in mSec
SimpleDelay	delay
	delay
LFO	modLFO
	LFO.
double	lpf_state = 0.0
	LPF state register (z^-1)

Detailed Description

The DelayAPF object implements a delaying APF with optional LPF and optional modulated delay time with LFO.

Audio I/O:

• Processes mono input to mono output.

Control I/F:

• Use DelayAPFParameters structure to get/set object params.

Author

Will Pirkle http://www.willpirkle.com

Remarks

This object is included in Designing Audio Effects Plugins in C++ 2nd Ed. by Will Pirkle

Version

Revision : 1.0

Date

Date : 2018 / 09 / 7

Member Function Documentation

canProcessAudioFrame()

virtual bool DelayAPF::canProcessAudioFrame ( )

inlinevirtual

return false: this object only processes samples

Implements IAudioSignalProcessor.

createDelayBuffer()

void DelayAPF::createDelayBuffer ( double  _sampleRate, double  delay_mSec  )

inline

create the delay buffer in mSec

getParameters()

DelayAPFParameters DelayAPF::getParameters ( )

inline

get parameters: note use of custom structure for passing param data

Returns

DelayAPFParameters custom data structure

processAudioSample()

virtual double DelayAPF::processAudioSample ( double  xn )

inlinevirtual

process one input sample through object

Parameters

xn

input

Returns

the processed sample

Implements IAudioSignalProcessor.

Reimplemented in NestedDelayAPF.

reset()

virtual bool DelayAPF::reset ( double  _sampleRate )

inlinevirtual

reset members to initialized state

Implements IAudioSignalProcessor.

Reimplemented in NestedDelayAPF.

setParameters()

void DelayAPF::setParameters ( const DelayAPFParameters &  params )

inline

set parameters: note use of custom structure for passing param data

Parameters

DelayAPFParameters

custom data structure

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

• C:/RackAFX_v7/ASPIK_Doxygen/PluginObjects/fxobjects.h