Classes
class	biquad
	This Biquad class implements a second-order recursive linear filter, containing two poles and two zeros. More...

class	biquad_cascade
	The BiquadCascade class implements a cascade of Biquad filters. More...

struct	designer

struct	designer< T, DesignerType::Butterworth, MaxOrder >
	Butterworth filter designer. More...

struct	designer< T, DesignerType::ChebyshevI, MaxOrder >
	Chebyshev filter designer. More...

struct	designer< T, DesignerType::ChebyshevII, MaxOrder >
	Inverse Chebyshev filter designer. More...

struct	designer< T, DesignerType::RBJ, MaxOrder >
	Robert Bristow-Johnson filter designer. More...

struct	designer< T, DesignerType::Zolzer, MaxOrder >
	Udo Zölzer filter designer. More...

class	moving_average
	This class implement a cumulative moving average (rolling average or running average) filter. More...

class	moving_median
	This class implement a cumulative moving median (rolling median or running median) filter. More...

class	moving_rms
	This class implement a cumulative moving rms (rolling rms or running rms) filter. More...

Enumerations
enum	FilterType { FilterType::LowPass, FilterType::HighPass, FilterType::BandPassSkirtGain, FilterType::BandPassPeakGain, FilterType::BandPass, FilterType::BandStop, FilterType::AllPass, FilterType::LowShelf, FilterType::HighShelf, FilterType::BandShelf, FilterType::Notch, FilterType::PeakingEQ }
	The FilterType enum defines the different available filters. More...

enum	DesignerType { DesignerType::RBJ, DesignerType::Zolzer, DesignerType::Butterworth, DesignerType::ChebyshevI, DesignerType::ChebyshevII, DesignerType::Bessel, DesignerType::Elliptic, DesignerType::Legendre }
	The DesignerType enum defines the different filter's implementation from different authors. More...

Functions
template<typename T , DesignerType Designer, FilterType Type, std::size_t MaxOrder, typename... Args>
constexpr auto	make_filter (Args... arg) -> decltype(designer< T, Designer, MaxOrder >
	Creates a filter using args as the parameter list for the construction. More...

template	design< Type > (std::declval< Args &&>()...))

Enumeration Type Documentation

◆ DesignerType

strong

The DesignerType enum defines the different filter's implementation from different authors.

Enumerator
RBJ	Robert Bristow-Johnson formulas from the Audio-EQ-Cookbook
Zolzer	Udo Zölzer formulas from his book: Digital Audio Signal Processing
Butterworth	Digital implementation of the classic Butterworth filter by using the bilinear transform
ChebyshevI	Digital implementation of the Chebyshev polynomials (ripple in the passband) filter by using the bilinear transform
ChebyshevII	Digital implementation of the "Inverse Chebyshev" filters (ripple in the stopband) by using the bilinear transform
Bessel
Elliptic	Elliptic filters design
Legendre	Legendre filters design

strong

The FilterType enum defines the different available filters.

template edsp::filter::design< Type > ( std::declval< Args &&>() ... )

template<typename T , DesignerType Designer, FilterType Type, std::size_t MaxOrder, typename... Args>

constexpr auto edsp::filter::make_filter ( Args... arg ) -> decltype(designer<T, Designer, MaxOrder>

Creates a filter using args as the parameter list for the construction.

Template Parameters

T	Value type
Type	Types of filter to be created.

Parameters

arg	Arguments parameters to constructs the filter.