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Public Member Functions | List of all members
Iir::ChebyshevII::LowShelf< FilterOrder, StateType > Struct Template Reference

#include <ChebyshevII.h>

Inheritance diagram for Iir::ChebyshevII::LowShelf< FilterOrder, StateType >:
Iir::PoleFilter< LowShelfBase, DirectFormII, 4 > Iir::CascadeStages< MaxStages, StateType >

Public Member Functions

void setup (double sampleRate, double cutoffFrequency, double gainDb, double stopBandDb)
 
void setup (int reqOrder, double sampleRate, double cutoffFrequency, double gainDb, double stopBandDb)
 
void setupN (double cutoffFrequency, double gainDb, double stopBandDb)
 
void setupN (int reqOrder, double cutoffFrequency, double gainDb, double stopBandDb)
 
- Public Member Functions inherited from Iir::CascadeStages< MaxStages, StateType >
void reset ()
 
void setup (const double(&sosCoefficients)[MaxStages][6])
 
template<typename Sample >
Sample filter (const Sample in)
 
const Cascade::Storage getCascadeStorage ()
 

Detailed Description

template<int FilterOrder = 4, class StateType = DirectFormII>
struct Iir::ChebyshevII::LowShelf< FilterOrder, StateType >

ChebyshevII low shelf filter. Specified gain in the passband and 0dB in the stopband.

Parameters
FilterOrderReserves memory for a filter of the order FilterOrder
StateTypeThe filter topology: DirectFormI, DirectFormII, ...

Member Function Documentation

◆ setup() [1/2]

template<int FilterOrder = 4, class StateType = DirectFormII>
void Iir::ChebyshevII::LowShelf< FilterOrder, StateType >::setup ( double  sampleRate,
double  cutoffFrequency,
double  gainDb,
double  stopBandDb 
)
inline

Calculates the coefficients of the filter

Parameters
sampleRateSampling rate
cutoffFrequencyCutoff frequency.
gainDbGain of the passbard. The stopband has 0 dB gain.
stopBandDbPermitted ripples in dB in the stopband

◆ setup() [2/2]

template<int FilterOrder = 4, class StateType = DirectFormII>
void Iir::ChebyshevII::LowShelf< FilterOrder, StateType >::setup ( int  reqOrder,
double  sampleRate,
double  cutoffFrequency,
double  gainDb,
double  stopBandDb 
)
inline

Calculates the coefficients of the filter

Parameters
reqOrderRequested order which can be less than the instantiated one
sampleRateSampling rate
cutoffFrequencyCutoff frequency
gainDbGain of the passbard. The stopband has 0 dB gain.
stopBandDbPermitted ripples in dB in the stopband

◆ setupN() [1/2]

template<int FilterOrder = 4, class StateType = DirectFormII>
void Iir::ChebyshevII::LowShelf< FilterOrder, StateType >::setupN ( double  cutoffFrequency,
double  gainDb,
double  stopBandDb 
)
inline

Calculates the coefficients of the filter

Parameters
cutoffFrequencyNormalised cutoff frequency (0..1/2)
gainDbGain of the passbard. The stopband has 0 dB gain.
stopBandDbPermitted ripples in dB in the stopband

◆ setupN() [2/2]

template<int FilterOrder = 4, class StateType = DirectFormII>
void Iir::ChebyshevII::LowShelf< FilterOrder, StateType >::setupN ( int  reqOrder,
double  cutoffFrequency,
double  gainDb,
double  stopBandDb 
)
inline

Calculates the coefficients of the filter

Parameters
reqOrderRequested order which can be less than the instantiated one
cutoffFrequencyNormalised cutoff frequency (0..1/2)
gainDbGain the passbard. The stopband has 0 dB gain.
stopBandDbPermitted ripples in dB in the stopband

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