FEqualizer

Equalizer filter An equalizer is a cascaded (serial) band of parametric EQs This filter allows for setting each band with variable Bandwidth/Q, Frequency, and Gain

Windows
MacOS
Linux

References

Module

SignalProcessing

Header

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

Include

#include "DSP/EQ.h"

Syntax

class FEqualizer

Remarks

Equalizer filter An equalizer is a cascaded (serial) band of parametric EQs This filter allows for setting each band with variable Bandwidth/Q, Frequency, and Gain

Constructors

Name Description

Public function

FEqualizer()

Constructor.

Destructors

Name Description

Public function

~FEqualizer()

Destructor.

Functions

Name Description

Public function

void

 

Init

(
    const float InSampleRate,
    const int32 InNumBands,
    const int32 InNumChannels
)

Initialize the equalizer.

Public function

void

 

ProcessAudioFrame

(
    const float* InAudio,
    float* OutAudio
)

Processes the audio frame (audio frame must have channels equal to that used during initialization)

Public function

void

 

SetBandBandwidth

(
    const int32 InBand,
    const float InBandwidth
)

Sets the band resonance (use alternatively to bandwidth)

Public function

void

 

SetBandEnabled

(
    const int32 InBand,
    const bool bEnabled
)

Sets whether or not the band is enabled.

Public function

void

 

SetBandFrequency

(
    const int32 InBand,
    const float InFrequency
)

Sets the band frequency.

Public function

void

 

SetBandGainDB

(
    const int32 InBand,
    const float InGainDB
)

Sets the band gain in decibels.

Public function

void

 

SetBandParams

(
    const int32 InBand,
    const float InFrequency,
    const float InBandwidth,
    const float InGainDB
)

Sets all params of the band at once.
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