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FNiagaraDataInterfaceProxySpectrum::GetSpectrumValue

Sample value from the spectrum buffer.

Windows

MacOS

Linux

References

Module	Niagara
Header	/Engine/Plugins/FX/Niagara/Source/Niagara/Classes/NiagaraDataInterfaceAudioSpectrum.h
Include	#include "NiagaraDataInterfaceAudioSpectrum.h"
Source	/Engine/Plugins/FX/Niagara/Source/Niagara/Private/NiagaraDataInterfaceAudioSpectrum.cpp

Syntax

float GetSpectrumValue
(
float InNormalizedPositionInSpectrum,
int32 InChannelIndex
)

Remarks

Sample value from the spectrum buffer.

Returns

Amplitude at this position. 0.0 corresponds to the nosie floor, while 1.0 corresponds to full volume. Some values may exceed 1.0.

Parameters

Parameter	Description
InNormalizedPositionInSpectrum	Value between 0 and 1 which represents the relative frequency in the spectrum. 0 corresponds to the MinimumFrequency, 1 corresponds to the MaximumFrequency. Values between 0 and 1 correspond to logarithmically spaced frequencys in-between the limits.
InChannelIndex	The index of the audio channel to sample.

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