source: tests/src/spectral/test-filterbank_mel.c @ 8f68dfb

feature/autosinkfeature/constantqfeature/pitchshiftfeature/pydocstringsfeature/timestretchpitchshiftsamplertimestretchyinfft+
Last change on this file since 8f68dfb was 8f68dfb, checked in by Paul Brossier <piem@piem.org>, 7 years ago

tests/src/spectral/: improve test examples

  • Property mode set to 100644
File size: 913 bytes
Line 
1#define AUBIO_UNSTABLE 1
2
3#include <stdio.h>
4#include <aubio.h>
5
6int
7main (void)
8{
9  /* allocate some memory */
10  uint_t win_s = 512; // fft size
11  uint_t n_filters = 40; // number of filters
12  cvec_t *in_spec = new_cvec (win_s); // input buffer */
13  fvec_t *out_filters = new_fvec (n_filters); // output coeffs */
14  fmat_t *coeffs = NULL;
15  smpl_t samplerate = 16000.;
16
17  /* allocate fft and other memory space */
18  aubio_filterbank_t *o = new_aubio_filterbank (n_filters, win_s);
19
20  /* assign Mel-frequency coefficients */
21  aubio_filterbank_set_mel_coeffs_slaney (o, samplerate);
22
23  coeffs = aubio_filterbank_get_coeffs (o);
24
25  fmat_print (coeffs);
26
27  //fprintf(stderr, "%f\n", fvec_sum(coeffs));
28
29  aubio_filterbank_do (o, in_spec, out_filters);
30
31  fvec_print(in_spec);
32  fvec_print(out_filters);
33
34  del_aubio_filterbank (o);
35  del_cvec (in_spec);
36  del_fvec (out_filters);
37  aubio_cleanup ();
38
39  return 0;
40}
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