UAudioComponent::SetLowPassFilterFrequency
#include "Components/AudioComponent.h"
Access: public
Specifiers: UFUNCTIONBlueprintCallable
Description
Sets the cutoff frequency, in Hz, used by this component's Low Pass Filter contribution to the sound's overall LPF calculation.
Caveats & Gotchas
- • Has no effect unless SetLowPassFilterEnabled(true) has also been called on this component.
- • The engine takes the lowest LPF cutoff across all contributing sources (this override, attenuation, occlusion), so a high frequency here won't override a tighter filter applied elsewhere.
- • Very low values (below a few hundred Hz) can make the sound nearly inaudible since almost all high-frequency content is removed.
Signature
void SetLowPassFilterFrequency(float InLowPassFilterFrequency)Parameters
| Name | Type | Description | Default |
|---|---|---|---|
| InLowPassFilterFrequency | float | Cutoff frequency, in Hz, for this component's Low Pass Filter contribution. | — |
Return Type
void Example
Muffle a sound behind a door C++
AudioComponent->SetLowPassFilterEnabled(true);
AudioComponent->SetLowPassFilterFrequency(500.0f);Tags
Version History
Introduced in: unknown
| Version | Status | Notes |
|---|---|---|
| 5.6 | stable | — |
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