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API > API/Runtime > API/Runtime/SignalProcessing > API/Runtime/SignalProcessing/DSP
References
| Module | SignalProcessing |
| Header | /Engine/Source/Runtime/SignalProcessing/Public/DSP/OnePole.h |
| Include | #include "DSP/OnePole.h" |
Syntax
class FOnePoleLPFBank
Remarks
One pole LPF filter for multiple channels
Variables
| Type | Name | Description | |
|---|---|---|---|
 |
float | A0 | |
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float | B1 | |
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float | CutoffFrequency | |
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float * | DelayPtr | |
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int32 | NumChannels | |
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int32 | SampleRate | |
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TArray< float > | Z1 |
Constructors
| Type | Name | Description | |
|---|---|---|---|
 |
Functions
| Type | Name | Description | |
|---|---|---|---|
 |
void | ClearMemory () |
Clears memory without reevaluating coefficients. This function is useful when there is a break between ProcessAudio calls. |
 |
void | Init
(
int32 InSampleRate, |
|
 |
void | ProcessAudio
(
float* InputFrame, |
|
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void | Reset () |
Resets the sample delay to 0. |
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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) |
 |
void | SetG
(
float InG |
Set the LPF gain coefficient. |