File: Spectrum.h

package info (click to toggle)
audacity 0.98-3
  • links: PTS
  • area: main
  • in suites: woody
  • size: 2,896 kB
  • ctags: 4,089
  • sloc: cpp: 26,099; ansic: 4,961; sh: 2,465; makefile: 156; perl: 23
file content (29 lines) | stat: -rw-r--r-- 672 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
/**********************************************************************

  Audacity: A Digital Audio Editor

  Spectrum.h

  Dominic Mazzoni

**********************************************************************/

#ifndef __AUDACITY_SPECTRUM__
#define __AUDACITY_SPECTRUM__

#include "WaveTrack.h"

/*
  This function computes the power (mean square amplitude) as
  a function of frequency, for some block of audio data.

  width: the number of samples
  height: the desired number of frequencies
*/

bool ComputeSpectrum(sampleType * data, int width, int height,
                     double rate, float *out, bool autocorrelation);

int GetSpectrumWindowSize();

#endif