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A virtual analog one-pole filter. Defaults to a low-pass mode, but can be switched to high-pass
| Name | FOnePoleFilter |
| Type | class |
| Header File | /Engine/Source/Runtime/SignalProcessing/Public/DSP/Filter.h |
| Include Path | #include "DSP/Filter.h" |
Syntax
class FOnePoleFilter : public Audio::IFilter
Implements Interfaces
Constructors
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
FOnePoleFilter() |
DSP/Filter.h |
Destructors
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
virtual ~FOnePoleFilter() |
DSP/Filter.h |
Functions
Public
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
void ArrayCalculateResponseInPlace
(
TArrayView< float > InOutComplexValues |
Apply the filter transfer function to each z-domain value in the given array (complex numbers given as interleaved floats). Passing in z-domain values on the complex unit circle will give the frequency response. | DSP/Filter.h | |
float GetCoefficient() |
DSP/Filter.h | ||
float GetState
(
const int32 InChannel |
DSP/Filter.h | ||
void SetCoefficient
(
const float InCoefficient |
DSP/Filter.h |
Overridden from IFilter
| Name | Remarks | Include Path | Unreal Specifiers |
|---|---|---|---|
virtual void Init
(
const float InSampleRate, |
Initialize the filter. | DSP/Filter.h | |
virtual void ProcessAudio
(
const float* InSamples, |
Process a mono buffer or an interleaved buffer of multichannel audio. | DSP/Filter.h | |
virtual void ProcessAudio
(
const float*const* InBuffers, |
Process a non-interleaved buffer of multichannel audio. | DSP/Filter.h | |
virtual void ProcessAudioFrame
(
const float* InFrame, |
Processes a single frame of audio. Number of channels MUST be what was used during filter initialization. | DSP/Filter.h | |
virtual void Reset() |
Reset the filter. | DSP/Filter.h | |
virtual void Update() |
Updates the filter. | DSP/Filter.h |