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This class buffers audio while maintaining a running average of the underlying buffer. This is useful for cases where we can't use a peak detector with asymptotic tracking. For example: lookahead limiters, silence detection, etc.
| Name | FMovingAverager |
| Type | class |
| Header File | /Engine/Source/Runtime/SignalProcessing/Public/DSP/VoiceProcessing.h |
| Include Path | #include "DSP/VoiceProcessing.h" |
Syntax
class FMovingAverager
Constructors
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
| DSP/VoiceProcessing.h | |||
FMovingAverager
(
uint32 NumSamples |
Delay length in samples. | DSP/VoiceProcessing.h |
Variables
Protected
| Name | Type | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|---|
| AccumulatedSum | float | DSP/VoiceProcessing.h | ||
| AudioBuffer | TArray< float > | DSP/VoiceProcessing.h | ||
| BufferCursor | int32 | DSP/VoiceProcessing.h | ||
| ProcessCriticalSection | FCriticalSection | Contended by ProcessInput and SetNumSamples. | DSP/VoiceProcessing.h |
Functions
Public
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
float ProcessInput
(
const float& Input, |
Returns average amplitude across the internal buffer, and fills Output with the delay line output. | DSP/VoiceProcessing.h | |
void SetNumSamples
(
uint32 NumSamples |
DSP/VoiceProcessing.h |