SPUC::iir_coeff Class Reference
[SPUC non-template classes, IIR filters]

Class for iir filter design. More...

#include <iir_coeff.h>

List of all members.

Public Member Functions
	iir_coeff (long ord=1)
	ord = Filter order
	~iir_coeff ()
	Destructor.
void	bilinear ()
	Do bilinear transformation.
void	convert_to_ab ()
void	z_root_to_ab (smart_array< complex< float_type > > z)
void	pz_to_ap ()
void	ab_to_tf ()
smart_array< float_type >	p2_to_poly (smart_array< complex< float_type > > ab)
smart_array< float_type >	pz_to_poly (smart_array< complex< float_type > > z)
complex< float_type >	get_root (long i)
complex< float_type >	get_zero (long i)
float_type	get_a (long i)
float_type	get_b (long i)
float_type	get_coeff_a (long i)
float_type	get_coeff_b (long i)
float_type	max_abs_coeff ()
void	quantize (int bits)
float_type	freqz_mag (float_type freq)
Public Attributes
long	order
long	odd
long	n2
smart_array< complex< float_type > >	poles
smart_array< complex< float_type > >	zeros
smart_array< float_type >	a_tf
smart_array< float_type >	b_tf
float_type	gain
long	state
long	tf_state
long	ap_state

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Detailed Description

Class for iir filter design.

Author:

Tony Kirke

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Constructor & Destructor Documentation

SPUC::iir_coeff::iir_coeff

(

long

ord = 1

)

ord = Filter order

SPUC::iir_coeff::~iir_coeff

(

)

Destructor.

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Member Function Documentation

void SPUC::iir_coeff::ab_to_tf

(

)

void SPUC::iir_coeff::bilinear

(

)

Do bilinear transformation.

void SPUC::iir_coeff::convert_to_ab

(

)

float_type SPUC::iir_coeff::freqz_mag

(

float_type

freq

)

float_type SPUC::iir_coeff::get_a

(

long

i

)

float_type SPUC::iir_coeff::get_b

(

long

i

)

float_type SPUC::iir_coeff::get_coeff_a

(

long

i

)

float_type SPUC::iir_coeff::get_coeff_b

(

long

i

)

complex< float_type > SPUC::iir_coeff::get_root

(

long

i

)

complex< float_type > SPUC::iir_coeff::get_zero

(

long

i

)

float_type SPUC::iir_coeff::max_abs_coeff

(

)

smart_array< float_type > SPUC::iir_coeff::p2_to_poly

(

smart_array< complex< float_type > >

ab

)

void SPUC::iir_coeff::pz_to_ap

(

)

smart_array< float_type > SPUC::iir_coeff::pz_to_poly

(

smart_array< complex< float_type > >

z

)

void SPUC::iir_coeff::quantize

(

int

bits

)

void SPUC::iir_coeff::z_root_to_ab

(

smart_array< complex< float_type > >

z

)

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Member Data Documentation

smart_array<float_type > SPUC::iir_coeff::a_tf

long SPUC::iir_coeff::ap_state

smart_array<float_type > SPUC::iir_coeff::b_tf

float_type SPUC::iir_coeff::gain

long SPUC::iir_coeff::n2

long SPUC::iir_coeff::odd

long SPUC::iir_coeff::order

smart_array<complex<float_type> > SPUC::iir_coeff::poles

long SPUC::iir_coeff::state

long SPUC::iir_coeff::tf_state

smart_array<complex<float_type> > SPUC::iir_coeff::zeros

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

• iir_coeff.h
• iir_coeff.cpp

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