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https://github.com/cookiengineer/audacity
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40 lines
954 B
C
40 lines
954 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 "WaveTrack.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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bool ComputeSpectrum(float * data, int width, int windowSize,
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double rate, float *out, bool autocorrelation, int windowFunc=3);
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#endif
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// Indentation settings for Vim and Emacs and unique identifier for Arch, a
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// version control system. Please do not modify past this point.
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//
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// Local Variables:
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// c-basic-offset: 3
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// indent-tabs-mode: nil
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// End:
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//
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// vim: et sts=3 sw=3
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// arch-tag: a3211706-7547-4b7a-b970-1ac937be7ace
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