CombFilter Class Reference

The CombFilter object implements a comb filter with optional LPF in feedback loop. Used for reverb algorithms in book. More...

#include <fxobjects.h>

Inheritance diagram for CombFilter:

Public Member Functions
virtual bool	reset (double _sampleRate)
virtual double	processAudioSample (double xn)
virtual bool	canProcessAudioFrame ()
CombFilterParameters	getParameters ()
void	setParameters (const CombFilterParameters &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)

Detailed Description

The CombFilter object implements a comb filter with optional LPF in feedback loop. Used for reverb algorithms in book.

Audio I/O:

• Processes mono input to mono output.

Control I/F:

• Use CombFilterParameters 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 CombFilter::canProcessAudioFrame ( )

inlinevirtual

return false: this object only processes samples

Implements IAudioSignalProcessor.

createDelayBuffer()

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

inline

create new buffers

getParameters()

CombFilterParameters CombFilter::getParameters ( )

inline

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

Returns

CombFilterParameters custom data structure

processAudioSample()

virtual double CombFilter::processAudioSample ( double  xn )

inlinevirtual

process CombFilter

Parameters

xn

input

Returns

the processed sample

Implements IAudioSignalProcessor.

reset()

virtual bool CombFilter::reset ( double  _sampleRate )

inlinevirtual

reset members to initialized state

Implements IAudioSignalProcessor.

setParameters()

void CombFilter::setParameters ( const CombFilterParameters &  params )

inline

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

Parameters

CombFilterParameters

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