SPUC::allpass_2nd< Numeric, Coeff > Class Template Reference

Template for 2nd order allpass filter. More...

#include <allpass_2nd.h>

Public Types
typedef mixed_type< Numeric, Coeff >::dtype	sum_type

Public Member Functions
	allpass_2nd (Coeff B0, Coeff A0, long b=0)
	allpass_2nd ()
void	set_round_bits (long x)
void	reset ()
void	set_a (Coeff A0)
void	set_b (Coeff B0)
Coeff	get_a ()
Coeff	get_b ()
void	set_coeffs (Coeff B0, Coeff A0)
	allpass_2nd (const char *file)
	Constructor reading coefficients from a file. More...
void	print ()
	Print out coefficients. More...
Numeric	clock (Numeric input)
	Input new sample and calculate output. More...

Public Attributes
Numeric	fb2
Numeric	fb1
Numeric	fb0
Numeric	scale
quantiser< Numeric >	Q
quantiser< Numeric >	OQ

Protected Attributes
long	round_bits
Coeff	b
Coeff	a
Numeric	in [3]

Detailed Description

template<class Numeric, class Coeff = float_type>
class SPUC::allpass_2nd< Numeric, Coeff >

Template for 2nd order allpass filter.

Author

Tony Kirke

Template for 2nd order allpass filter

The filter is assumed to be a 2nd order allpass section of the form

Member Typedef Documentation

template<class Numeric, class Coeff = float_type>

typedef mixed_type<Numeric,Coeff>::dtype SPUC::allpass_2nd< Numeric, Coeff >::sum_type

Constructor & Destructor Documentation

template<class Numeric, class Coeff = float_type>

SPUC::allpass_2nd< Numeric, Coeff >::allpass_2nd ( Coeff  B0, Coeff  A0, long  b = 0  )

inline

References SPUC::allpass_2nd< Numeric, Coeff >::b, and SPUC::allpass_2nd< Numeric, Coeff >::reset().

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template<class Numeric, class Coeff = float_type>

SPUC::allpass_2nd< Numeric, Coeff >::allpass_2nd ( )

inline

References SPUC::allpass_2nd< Numeric, Coeff >::reset().

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template<class Numeric, class Coeff = float_type>

SPUC::allpass_2nd< Numeric, Coeff >::allpass_2nd ( const char *  file )

inline

Constructor reading coefficients from a file.

References SPUC::allpass_2nd< Numeric, Coeff >::a, SPUC::allpass_2nd< Numeric, Coeff >::b, and SPUC::allpass_2nd< Numeric, Coeff >::reset().

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Member Function Documentation

template<class Numeric, class Coeff = float_type>

Numeric SPUC::allpass_2nd< Numeric, Coeff >::clock ( Numeric  input )

inline

Input new sample and calculate output.

References SPUC::allpass_2nd< Numeric, Coeff >::fb1, SPUC::allpass_2nd< Numeric, Coeff >::fb2, SPUC::allpass_2nd< Numeric, Coeff >::OQ, and SPUC::allpass_2nd< Numeric, Coeff >::Q.

Referenced by SPUC::nested_iir_allpass_tmp< Numeric, Coeff >::clock(), SPUC::notch_allpass< Numeric, Coeff >::clock(), SPUC::iir_allpass2< Numeric, Coeff >::clock(), SPUC::cutboost< Numeric, Coeff >::clock(), SPUC::nested_shelf_allpass_2< Numeric, Coeff >::clock(), and SPUC::nested_iir_allpass_2< Numeric, Coeff >::clock().

template<class Numeric, class Coeff = float_type>

Coeff SPUC::allpass_2nd< Numeric, Coeff >::get_a ( )

inline

template<class Numeric, class Coeff = float_type>

Coeff SPUC::allpass_2nd< Numeric, Coeff >::get_b ( )

inline

template<class Numeric, class Coeff = float_type>

void SPUC::allpass_2nd< Numeric, Coeff >::print ( )

inline

Print out coefficients.

References SPUC::allpass_2nd< Numeric, Coeff >::a, and SPUC::allpass_2nd< Numeric, Coeff >::b.

template<class Numeric, class Coeff = float_type>

void SPUC::allpass_2nd< Numeric, Coeff >::reset ( )

inline

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::allpass_2nd(), SPUC::nested_iir_allpass_tmp< Numeric, Coeff >::reset(), SPUC::notch_allpass< Numeric, Coeff >::reset(), SPUC::iir_allpass2< Numeric, Coeff >::reset(), SPUC::nested_shelf_allpass_2< Numeric, Coeff >::reset(), SPUC::cutboost< Numeric, Coeff >::reset(), and SPUC::nested_iir_allpass_2< Numeric, Coeff >::reset().

template<class Numeric, class Coeff = float_type>

void SPUC::allpass_2nd< Numeric, Coeff >::set_a ( Coeff  A0 )

inline

template<class Numeric, class Coeff = float_type>

void SPUC::allpass_2nd< Numeric, Coeff >::set_b ( Coeff  B0 )

inline

template<class Numeric, class Coeff = float_type>

void SPUC::allpass_2nd< Numeric, Coeff >::set_coeffs ( Coeff  B0, Coeff  A0  )

inline

Referenced by SPUC::nested_shelf_allpass_2< Numeric, Coeff >::change(), SPUC::nested_iir_allpass_2< Numeric, Coeff >::change(), SPUC::nested_shelf_allpass_2< Numeric, Coeff >::init(), SPUC::nested_iir_allpass_2< Numeric, Coeff >::init(), SPUC::notch_allpass< Numeric, Coeff >::set_coeffs(), SPUC::cutboost< Numeric, Coeff >::set_coeffs(), and SPUC::cutboost< Numeric, Coeff >::set_freq().

template<class Numeric, class Coeff = float_type>

void SPUC::allpass_2nd< Numeric, Coeff >::set_round_bits ( long  x )

inline

Member Data Documentation

template<class Numeric, class Coeff = float_type>

Coeff SPUC::allpass_2nd< Numeric, Coeff >::a

protected

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::allpass_2nd(), SPUC::nested_shelf_allpass_2< Numeric, Coeff >::print(), SPUC::nested_iir_allpass_2< Numeric, Coeff >::print(), and SPUC::allpass_2nd< Numeric, Coeff >::print().

template<class Numeric, class Coeff = float_type>

Coeff SPUC::allpass_2nd< Numeric, Coeff >::b

protected

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::allpass_2nd(), SPUC::nested_shelf_allpass_2< Numeric, Coeff >::print(), SPUC::nested_iir_allpass_2< Numeric, Coeff >::print(), and SPUC::allpass_2nd< Numeric, Coeff >::print().

template<class Numeric, class Coeff = float_type>

Numeric SPUC::allpass_2nd< Numeric, Coeff >::fb0

template<class Numeric, class Coeff = float_type>

Numeric SPUC::allpass_2nd< Numeric, Coeff >::fb1

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::clock().

template<class Numeric, class Coeff = float_type>

Numeric SPUC::allpass_2nd< Numeric, Coeff >::fb2

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::clock().

template<class Numeric, class Coeff = float_type>

Numeric SPUC::allpass_2nd< Numeric, Coeff >::in[3]

protected

template<class Numeric, class Coeff = float_type>

quantiser<Numeric> SPUC::allpass_2nd< Numeric, Coeff >::OQ

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::clock().

template<class Numeric, class Coeff = float_type>

quantiser<Numeric> SPUC::allpass_2nd< Numeric, Coeff >::Q

Referenced by SPUC::allpass_2nd< Numeric, Coeff >::clock().

template<class Numeric, class Coeff = float_type>

long SPUC::allpass_2nd< Numeric, Coeff >::round_bits

protected

template<class Numeric, class Coeff = float_type>

Numeric SPUC::allpass_2nd< Numeric, Coeff >::scale

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

• allpass_2nd.h