Audio::FLadderFilter Class Reference

#include <Filter.h>

Inheritance diagram for Audio::FLadderFilter:

Public Member Functions
SIGNALPROCESSING_API	FLadderFilter ()
virtual SIGNALPROCESSING_API	~FLadderFilter ()
virtual SIGNALPROCESSING_API void	Init (const float InSampleRate, const int32 InNumChannels, const int32 InVoiceId=0, FModulationMatrix *InModMatrix=nullptr) override
virtual SIGNALPROCESSING_API void	Reset () override
virtual SIGNALPROCESSING_API void	Update () override
virtual SIGNALPROCESSING_API void	SetQ (const float InQ) override
virtual SIGNALPROCESSING_API void	SetPassBandGainCompensation (const float InPassBandGainCompensation) override
virtual SIGNALPROCESSING_API void	ProcessAudio (const float *InSamples, const int32 InNumSamples, float *OutSamples) override
virtual SIGNALPROCESSING_API void	ProcessAudio (const float *const *InBuffers, const int32 InNumSamples, float *const *OutBuffers) override
SIGNALPROCESSING_API void	ArrayCalculateResponseInPlace (TArrayView< float > InOutComplexValues) const
Public Member Functions inherited from Audio::IFilter
SIGNALPROCESSING_API	IFilter ()
SIGNALPROCESSING_API	IFilter (const IFilter &)
virtual SIGNALPROCESSING_API	~IFilter ()
virtual SIGNALPROCESSING_API void	SetFrequency (const float InCutoffFrequency)
virtual SIGNALPROCESSING_API void	SetFrequencyMod (const float InModFrequency)
virtual SIGNALPROCESSING_API void	SetQMod (const float InModQ)
virtual void	SetSaturation (const float InSaturation)
virtual void	SetBandStopControl (const float InBandStop)
virtual SIGNALPROCESSING_API void	SetFilterType (const EFilter::Type InFilterType)
virtual void	ProcessAudioFrame (const float *InFrame, float *OutFrame)
FPatchDestination	GetModDestCutoffFrequency () const
FPatchDestination	GetModDestQ () const

Protected Attributes
FOnePoleFilter	OnePoleFilters [4]
float	Beta [4]
float	K
float	Gamma
float	Alpha
float	Factors [5]
float	PassBandGainCompensation
Protected Attributes inherited from Audio::IFilter
int32	VoiceId
float	SampleRate
int32	NumChannels
float	Frequency
float	BaseFrequency
float	ModFrequency
float	ExternalModFrequency
float	Q
float	ModQ
float	BaseQ
float	ExternalModQ
EFilter::Type	FilterType
FModulationMatrix *	ModMatrix
FPatchDestination	ModCutoffFrequencyDest
FPatchDestination	ModQDest
bool	bChanged

Additional Inherited Members
Protected Member Functions inherited from Audio::IFilter
float	GetGCoefficient () const

Constructor & Destructor Documentation

FLadderFilter()

Audio::FLadderFilter::FLadderFilter

(

)

~FLadderFilter()

Audio::FLadderFilter::~FLadderFilter ( )

virtual

Member Function Documentation

ArrayCalculateResponseInPlace()

void Audio::FLadderFilter::ArrayCalculateResponseInPlace

(

TArrayView< float >

InOutComplexValues

)

const

Init()

void Audio::FLadderFilter::Init ( const float  InSampleRate, const int32  InNumChannels, const int32  InVoiceId = 0, FModulationMatrix *  InModMatrix = nullptr  )

overridevirtual

Reimplemented from Audio::IFilter.

ProcessAudio() [1/2]

void Audio::FLadderFilter::ProcessAudio ( const float *const *  InBuffers, const int32  InNumSamples, float *const *  OutBuffers  )

overridevirtual

Implements Audio::IFilter.

ProcessAudio() [2/2]

void Audio::FLadderFilter::ProcessAudio ( const float *  InSamples, const int32  InNumSamples, float *  OutSamples  )

overridevirtual

Implements Audio::IFilter.

Reset()

void Audio::FLadderFilter::Reset ( )

overridevirtual

Reimplemented from Audio::IFilter.

SetPassBandGainCompensation()

void Audio::FLadderFilter::SetPassBandGainCompensation ( const float  InPassBandGainCompensation )

overridevirtual

Reimplemented from Audio::IFilter.

SetQ()

void Audio::FLadderFilter::SetQ ( const float  InQ )

overridevirtual

Reimplemented from Audio::IFilter.

Update()

void Audio::FLadderFilter::Update ( )

overridevirtual

Reimplemented from Audio::IFilter.

Member Data Documentation

Alpha

float Audio::FLadderFilter::Alpha

protected

Beta

float Audio::FLadderFilter::Beta[4]

protected

Factors

float Audio::FLadderFilter::Factors[5]

protected

Gamma

float Audio::FLadderFilter::Gamma

protected

K

float Audio::FLadderFilter::K

protected

OnePoleFilters

FOnePoleFilter Audio::FLadderFilter::OnePoleFilters[4]

protected

PassBandGainCompensation

float Audio::FLadderFilter::PassBandGainCompensation

protected

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

• Engine/Source/Runtime/SignalProcessing/Public/DSP/Filter.h
• Engine/Source/Runtime/SignalProcessing/Private/Filter.cpp