AuLib::Iir Class Reference

#include <AuLib/Iir.h>

Inheritance diagram for AuLib::Iir:

Collaboration diagram for AuLib::Iir:

Public Member Functions
	Iir (const double *a, const double *b, uint32_t vframes=def_vframes, double sr=def_sr)
	Iir (uint32_t vframes=def_vframes, double sr=def_sr)
const double *	process (const double *sig)
const double *	process (const double *sig, const double *a, const double *b)
const Iir &	process (const AudioBase &obj)
const Iir &	process (const AudioBase &obj, const double *c, bool iir=true)
const Iir &	process (const AudioBase &obj, const double *a, const double *b)
const Iir &	operator() (const AudioBase &obj)
template<typename T >
const Iir &	operator() (const AudioBase &obj, T a)
template<typename T , typename U >
const Iir &	operator() (const AudioBase &obj, T a, U b)
Public Member Functions inherited from AuLib::AudioBase
	AudioBase (uint32_t nchnls=def_nchnls, uint32_t vframes=def_vframes, double sr=def_sr)
virtual const AudioBase &	operator*= (double scal)
virtual const AudioBase &	operator*= (const double *sig)
virtual const AudioBase &	operator*= (const AudioBase &obj)
virtual const AudioBase &	operator+= (double offs)
virtual const AudioBase &	operator+= (const double *sig)
virtual const AudioBase &	operator+= (const AudioBase &obj)
double &	operator[] (uint32_t ndx)
const double &	operator[] (uint32_t ndx) const
iterator	begin ()
iterator	end ()
const_iterator	cbegin () const
const_iterator	cend () const
const AudioBase &	set (const AudioBase &obj)
const AudioBase &	set (const double *sig)
const double *	set (double v)
double	set (double v, uint32_t p)
	operator const std::vector< double > & () const
	operator const double * () const
const double *	vector () const
double	vector (uint32_t frndx, uint32_t chn) const
uint32_t	vframes (uint32_t frames)
uint32_t	resize_exact (uint32_t frames)
uint32_t	vframes () const
uint32_t	vsamps () const
uint32_t	nchnls () const
uint32_t	sr () const
uint32_t	error () const
virtual const char *	error_message () const

Protected Member Functions
virtual const double *	dsp (const double *sig)
virtual void	update ()

Protected Attributes
double	m_del [2]
double	m_a [3]
double	m_b [2]
double	m_scal
Protected Attributes inherited from AuLib::AudioBase
uint32_t	m_nchnls
uint32_t	m_vframes
std::vector< double >	m_vector
double	m_sr
uint32_t	m_error

Additional Inherited Members
Public Types inherited from AuLib::AudioBase
typedef std::vector< double >::iterator	iterator
typedef std::vector< double >::const_iterator	const_iterator

Detailed Description

General-purpose 2nd-order IIR filter section

Constructor & Destructor Documentation

Iir() [1/2]

AuLib::Iir::Iir ( const double *  a, const double *  b, uint32_t  vframes = def_vframes, double  sr = def_sr  )

inline

Iir constructor

a - feedforward coef list (a0,a1,a2) b - feedback coefs (b1, b2) vframes - vector size
sr - sampling rate

Iir() [2/2]

AuLib::Iir::Iir ( uint32_t  vframes = def_vframes, double  sr = def_sr  )

inline

Iir constructor

vframes - vector size
sr - sampling rate

Member Function Documentation

dsp()

const double * AuLib::Iir::dsp ( const double *  sig )

protectedvirtual

Filter kernel

operator()() [1/3]

const Iir& AuLib::Iir::operator() ( const AudioBase &  obj )

inline

operator(a) convenience

operator()() [2/3]

template<typename T >

const Iir& AuLib::Iir::operator() ( const AudioBase &  obj, T  a  )

inline

operator(a, b) convenience

operator()() [3/3]

template<typename T , typename U >

const Iir& AuLib::Iir::operator() ( const AudioBase &  obj, T  a, U  b  )

inline

operator(a, b, c) convenience

process() [1/5]

const double* AuLib::Iir::process ( const double *  sig )

inline

process a signal sig

process() [2/5]

const double* AuLib::Iir::process ( const double *  sig, const double *  a, const double *  b  )

inline

process a signal sig with coefficients lists a and b

process() [3/5]

const Iir& AuLib::Iir::process ( const AudioBase &  obj )

inline

process a signal in obj

process() [4/5]

const Iir& AuLib::Iir::process ( const AudioBase &  obj, const double *  c, bool  iir = true  )

inline

process a signal in obj with coefficient lists c as an iir or fir

process() [5/5]

const Iir& AuLib::Iir::process ( const AudioBase &  obj, const double *  a, const double *  b  )

inline

process a signal in obj with coefficients lists a and b

update()

virtual void AuLib::Iir::update ( )

inlineprotectedvirtual

Coefficients update

Reimplemented in AuLib::BandP, AuLib::LowP, AuLib::ResonR, AuLib::ResonZ, AuLib::BandR, and AuLib::HighP.

Member Data Documentation

m_a

double AuLib::Iir::m_a[3]

protected

m_b

double AuLib::Iir::m_b[2]

protected

m_del

double AuLib::Iir::m_del[2]

protected

m_scal

double AuLib::Iir::m_scal

protected

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

• Iir.h
• Iir.cpp