Audacity
3.2.0
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libraries
lib-fft
Spectrum.h
Go to the documentation of this file.
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/**********************************************************************
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3
Audacity: A Digital Audio Editor
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Spectrum.h
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Dominic Mazzoni
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**********************************************************************/
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#ifndef __AUDACITY_SPECTRUM__
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#define __AUDACITY_SPECTRUM__
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#include "
FFT.h
"
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/*
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This function computes the power (mean square amplitude) as
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a function of frequency, for some block of audio data.
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width: the number of samples
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calculates windowSize/2 frequency samples
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*/
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FFT_API
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bool
ComputeSpectrum
(
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const
float
* data,
size_t
width,
size_t
windowSize,
float
* out,
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bool
autocorrelation,
int
windowFunc =
eWinFuncHann
);
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#endif
FFT.h
eWinFuncHann
@ eWinFuncHann
Definition:
FFT.h:114
ComputeSpectrum
FFT_API bool ComputeSpectrum(const float *data, size_t width, size_t windowSize, float *out, bool autocorrelation, int windowFunc=eWinFuncHann)
Definition:
Spectrum.cpp:22
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