shithub: aubio

Info  •  Files  •  Log  •  Branches

[filterbank] fix mel htk mode

--- a/python/ext/py-filterbank.c

+++ b/python/ext/py-filterbank.c

@@ -218,8 +218,8 @@

     return NULL;

   }

-  err = aubio_filterbank_set_mel_coeffs_htk (self->o,

-      freq_min, freq_max, samplerate);

+  err = aubio_filterbank_set_mel_coeffs_htk (self->o, samplerate,

+      freq_min, freq_max);

   if (err > 0) {

     if (PyErr_Occurred() == NULL) {

       PyErr_SetString (PyExc_ValueError, "error running set_mel_coeffs_htk");

--- a/src/spectral/filterbank_mel.c

+++ b/src/spectral/filterbank_mel.c

@@ -285,7 +285,7 @@

   for (m = 0; m < n_bands + 2; m++)

   {

-    freqs->data[m] = MIN(aubio_meltohz_htk(step * m), samplerate/2.);

+    freqs->data[m] = MIN(aubio_meltohz_htk(start + step * m), samplerate/2.);

   }

   retval = aubio_filterbank_set_triangle_bands (fb, freqs, samplerate);