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... in many places where the function call will later need to be between modules (or libraries, or the executable) and the annotation will be a necessity to keep the linkage working on Windows. That's all that this sweeping commit does.
30 lines
716 B
C
30 lines
716 B
C
/**********************************************************************
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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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AUDACITY_DLL_API
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bool ComputeSpectrum(const float * data, size_t width, size_t windowSize,
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double rate, float *out, bool autocorrelation,
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int windowFunc = eWinFuncHann);
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#endif
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