ref: e7edf9286e9966e4207f269248f871b72b25f1af
dir: /tests/src/spectral/test-filterbank.c/
#include <aubio.h> int main (void) { uint_t win_s = 1024; // window size uint_t n_filters = 13; // number of filters cvec_t *in_spec = new_cvec (win_s); // input vector of samples fvec_t *out_filters = new_fvec (n_filters); // per-band outputs if (new_aubio_filterbank(0, win_s)) return 1; if (new_aubio_filterbank(n_filters, 0)) return 1; // create filterbank object aubio_filterbank_t *o = new_aubio_filterbank (n_filters, win_s); smpl_t power = aubio_filterbank_get_power(o); smpl_t norm = aubio_filterbank_get_norm(o); if (aubio_filterbank_set_power(o, power)) { return 1; } if (aubio_filterbank_set_norm(o, norm)) { return 1; } // apply filterbank ten times uint_t n = 10; while (n) { aubio_filterbank_do (o, in_spec, out_filters); n--; } // print out filterbank coeffs fmat_t *coeffs; // pointer to the coefficients coeffs = aubio_filterbank_get_coeffs (o); fmat_print (coeffs); aubio_filterbank_set_coeffs (o, coeffs); coeffs = aubio_filterbank_get_coeffs (o); fmat_print (coeffs); //fvec_print (out_filters); // clean up del_aubio_filterbank (o); del_cvec (in_spec); del_fvec (out_filters); aubio_cleanup (); return 0; }