Changeset 73e8f65 for src/spectral/mfcc.c

Timestamp:

Feb 16, 2016, 9:53:28 PM (8 years ago)

Author:

Paul Brossier <piem@piem.org>

Branches:

feature/autosink, feature/cnn, feature/cnn_org, feature/constantq, feature/crepe, feature/crepe_org, feature/pitchshift, feature/pydocstrings, feature/timestretch, fix/ffmpeg5, master, pitchshift, sampler, timestretch, yinfft+

Children:

240517e

Parents:

c02a1cc

Message:

src/spectral/mfcc.c: use fmat_vecmul

File:

• src/spectral/mfcc.c (modified) (2 diffs)

src/spectral/mfcc.c

@@ -103 +103 @@
 aubio_mfcc_do (aubio_mfcc_t * mf, cvec_t * in, fvec_t * out)
 {
-  uint_t j, k;
-
   /* compute filterbank */
   aubio_filterbank_do (mf->fb, in, mf->in_dct);
@@ -114 +112 @@
   //fvec_pow (mf->in_dct, 3.);
 
-  /* zeros output */
-  fvec_zeros(out);
-
-  /* compute discrete cosine transform */
-  for (j = 0; j < mf->n_filters; j++) {
-    for (k = 0; k < mf->n_coefs; k++) {
-      out->data[k] += mf->in_dct->data[j]
-          * mf->dct_coeffs->data[k][j];
-    }
-  }
+  /* compute mfccs */
+  fmat_vecmul(mf->dct_coeffs, mf->in_dct, out);
 
   return;