void AddSpectralAnalysisDelegate ( const [FSoundSpectrumAnalyzerDelegateSettings](API\Runtime\Engine\Sound\FSoundSpectrumAnalyzerDelegateSe-) & InDelegateSettings, const [FOnSubmixSpectralAnalysisBP](API\Runtime\Engine\Sound\FOnSubmixSpectralAnalysisBP) & OnSubmixSpectralAnalysisBP )