FSlowAdaptiveGainControl

This object accepts an input buffer and current amplitude estimate of that input buffer, Then applies a computed gain target.

Windows
MacOS
Linux

References

Module

SignalProcessing

Header

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

Include

#include "DSP/VoiceProcessing.h"

Syntax

class FSlowAdaptiveGainControl

Remarks

This object accepts an input buffer and current amplitude estimate of that input buffer, Then applies a computed gain target. Works like a standard feed forward limiter, with a threshold of 0.

Constructors

Name Description

Public function

FSlowAdaptiveGainControl

(
    float InGainTarget,
    int32 InAdaptiveRate,
    float InGainMin,
    float InGainMax
)

InGainTarget is our target running linear gain.

Functions

Name Description

Public function

float

 

ProcessAudio

(
    float* InAudio,
    int32 NumSamples,
    float InAmplitude
)

Takes an amplitude estimate and an input buffer, and attenuates InAudio based on it.

Public function

void

 

SetAdaptiveRate

(
    int32 InAdaptiveRate
)

Sets the responsiveness of the adaptive gain control, in number of buffer callbacks.
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