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  3. FBufferOnePoleLPF

FBufferOnePoleLPF

Simple 1-pole lowpass filter.

API > API/Runtime > API/Runtime/SignalProcessing > API/Runtime/SignalProcessing/DSP

References

   
Module SignalProcessing
Header /Engine/Source/Runtime/SignalProcessing/Public/DSP/BufferOnePoleLPF.h
Include #include "DSP/BufferOnePoleLPF.h"

Syntax

class FBufferOnePoleLPF

Remarks

Simple 1-pole lowpass filter.

Variables

  Type Name Description
Protected variable float A0  
Protected variable float B1 Filter coefficients.
Protected variable float CutoffFrequency  
Protected variable float Z1 1-sample delay

Constructors

  Type Name Description
Public function  

FBufferOnePoleLPF ( float InG
)

 Constructor.

Functions

  Type Name Description
Public function void Resets the audio to silence.
Public function void

ProcessAudio ( const FAlignedFloatBuffer& InSamples,
FAlignedFloatBuffer& OutSamples
)

 Process InSamples and place filtered audio in OutSamples.
Public function void

Reset ()

 Resets the sample delay to 0.
Public function void

SetFrequency ( const float InFrequency
)

 Sets the filter frequency using normalized frequency (between 0.0 and 1.0f or 0.0 hz and Nyquist Frequency in Hz)
Public function void

SetG ( float InG
)

 Set the LPF gain coefficient.

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