source: tests/src/temporal/test-biquad.c @ 986131d

feature/autosinkfeature/cnnfeature/cnn_orgfeature/constantqfeature/crepefeature/crepe_orgfeature/pitchshiftfeature/pydocstringsfeature/timestretchfix/ffmpeg5
Last change on this file since 986131d was 986131d, checked in by Eduard Müller <mueller.eduard@googlemail.com>, 7 years ago

Intel IPP support for aubio

See emuell/aubio/ intel_ipp2 for details please

  • Property mode set to 100644
File size: 847 bytes
Line 
1#include <aubio.h>
2
3int main (void)
4{
5  aubio_init();
6
7  uint_t win_s = 64; // window size
8
9  // create biquad filter with `b0`, `b1`, `b2`, `a1`, `a2`
10  aubio_filter_t * o = new_aubio_filter_biquad(0.3,0.2,0.1,0.2,0.3);
11
12  fvec_t * in_vec  = new_fvec (win_s); // input buffer
13  fvec_t * tmp_vec = new_fvec (win_s); // temporary buffer
14  fvec_t * out_vec = new_fvec (win_s); // output buffer
15
16  uint_t times = 100;
17  while ( times-- ) {
18    // copy to out, then filter out
19    aubio_filter_do_outplace(o, in_vec, out_vec);
20    // in-place filtering
21    aubio_filter_do(o, in_vec);
22    // in-place filtering
23    aubio_filter_do_filtfilt(o, in_vec, out_vec);
24    fvec_print(in_vec);
25  }
26
27  // memory clean-up, one for each new
28  del_aubio_filter(o);
29  del_fvec(in_vec);
30  del_fvec(tmp_vec);
31  del_fvec(out_vec);
32
33  aubio_cleanup();
34 
35  return 0;
36}
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