FLadderFilter

Windows
MacOS
Linux

Inheritance Hierarchy

IFilter

FLadderFilter

References

Module

SignalProcessing

Header

/Engine/Source/Runtime/SignalProcessing/Public/DSP/Filter.h

Include

#include "DSP/Filter.h"

Syntax

class FLadderFilter : public Audio::IFilter

Variables

Name Description

Protected variable

float

 

Alpha

Protected variable

float[4]

 

Beta

Protected variable

float[5]

 

Factors

Protected variable

float

 

Gamma

Protected variable

float

 

K

Protected variable

FOnePoleFilter[...

 

OnePoleFilters

Ladder filter is made of 4 LPF filters.

Protected variable

float

 

PassBandGainCompensation

Constructors

Name Description

Public function

FLadderFilter()

Destructors

Name Description

Public function Virtual

~FLadderFilter()

Overridden from IFilter

Name Description

Public function Virtual

void

 

Init

(
    const float InSampleRate,
    const int32 InNumChannels,
    const int32 InVoiceId,
    FModulationMatrix* InModMatrix
)

Initialize the filter.

Public function Virtual

void

 

ProcessAudio

(
    const float* InBuffer,
    const int32 InNumSamples,
    float* OutBuffer
)

Process an audio buffer.

Public function Virtual

void

 

Reset()

Reset the filter.

Public function Virtual

void

 

SetPassBandGainCompensation

(
    const float InPassBandGainCompensat...
)

Sets the band pass gain compensation (not used on all filters)

Public function Virtual

void

 

SetQ

(
    const float InQ
)

Sets the quality/resonance of the filter.

Public function Virtual

void

 

Update()

Updates the filter.
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