CLowPassFilter Class Reference

#include <LowPass.h>

Inheritance diagram for CLowPassFilter:

Public Member Functions
	CLowPassFilter ()
	CLowPassFilter (float f1)
virtual	~CLowPassFilter ()
void	setSamplingRate (float sr)
void	setFreqs (float f1)
void	doFilter (float *node, long sampleFrames)
Public Member Functions inherited from CIIRFilter
	CIIRFilter ()
	CIIRFilter (int form)
	~CIIRFilter ()
void	SetXML (CXMLElement *xml)
void	setCoefficients (CFilterCoefficients *coef)
bool	canProcess ()
void	clearBuffers ()
void	setCoefficientFileName (long sr, char *fileName)
Public Member Functions inherited from CFilter
	CFilter ()
virtual	~CFilter ()
void	setName (const char *newName)
const char *	getName ()
virtual int	getNumChannels ()

Protected Member Functions
void	init ()
void	updateCoefficients ()

Protected Attributes
float	m_fF1
double	a0
double	a1
double	a2
double	b0
double	b1
double	b2
double	x1
double	x2
double	y1
double	y2
Protected Attributes inherited from CIIRFilter
int	m_nForm
CFilterCoefficients *	m_coefficients
int	m_nFiltSizeA
int	m_nFiltSizeB
float	m_fInBuffer [MAXFILTSIZE]
float	m_fOutBuffer [MAXFILTSIZE]
short	m_nBufPos
float *	m_fACoefficients
float *	m_fBCoefficients
float	m_fScale
Protected Attributes inherited from CFilter
float	m_fSamplingRate
char	m_strName [81]
CFilterCoefficients *	coefs
int	numChannels

Detailed Description

Second order biquad lowpass filter

Constructor & Destructor Documentation

CLowPassFilter::CLowPassFilter

(

)

Constructor

CLowPassFilter::CLowPassFilter

(

float

f1

)

Constructor setting cutoff frequency

CLowPassFilter::~CLowPassFilter ( )

virtual

Destructor

Member Function Documentation

void CLowPassFilter::doFilter ( float *  node, long  sampleFrames  )

virtual

Process audio blocks

Reimplemented from CIIRFilter.

void CLowPassFilter::init ( )

protectedvirtual

Reimplemented from CIIRFilter.

void CLowPassFilter::setFreqs

(

float

f1

)

Sets the cutoff frequency

void CLowPassFilter::setSamplingRate ( float  sr )

virtual

Sets the sampling rate

Reimplemented from CIIRFilter.

void CLowPassFilter::updateCoefficients ( )

protected

Member Data Documentation

double CLowPassFilter::a0

protected

double CLowPassFilter::a1

protected

double CLowPassFilter::a2

protected

double CLowPassFilter::b0

protected

double CLowPassFilter::b1

protected

double CLowPassFilter::b2

protected

float CLowPassFilter::m_fF1

protected

double CLowPassFilter::x1

protected

double CLowPassFilter::x2

protected

double CLowPassFilter::y1

protected

double CLowPassFilter::y2

protected

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

• VVDSP/LowPass.h
• VVDSP/LowPass.cpp