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API > API/Runtime > API/Runtime/SignalProcessing > API/Runtime/SignalProcessing/DSP > API/Runtime/SignalProcessing/DSP/FSpectrumAnalyzer > API/Runtime/SignalProcessing/DSP/FSpectrumAnalyzer/__ctor
References
| Module | SignalProcessing |
| Header | /Engine/Source/Runtime/SignalProcessing/Public/DSP/SpectrumAnalyzer.h |
| Include | #include "DSP/SpectrumAnalyzer.h" |
| Source | /Engine/Source/Runtime/SignalProcessing/Private/SpectrumAnalyzer.cpp |
FSpectrumAnalyzer&40;&41;
Remarks
If an instance is created using the default constructor, Init() must be called before it is used.