Changeset 6938a20 for tests/src/spectral/test-mfcc.c

Timestamp:

Mar 3, 2013, 7:37:43 PM (12 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:

9547247

Parents:

26775a3

Message:

tests/src/spectral/: improve examples

File:

• tests/src/spectral/test-mfcc.c (modified) (1 diff)

tests/src/spectral/test-mfcc.c

@@ -1 +1 @@
 #include <aubio.h>
 
-int
-main (void)
+int main ()
 {
-  /* allocate some memory */
-  uint_t win_s = 512;           /* fft size */
-  uint_t n_filters = 40;        /* number of filters */
-  uint_t n_coefs = 13;          /* number of coefficients */
-  cvec_t *in = new_cvec (win_s);      /* input buffer */
-  fvec_t *out = new_fvec (n_coefs);     /* input buffer */
-  smpl_t samplerate = 16000.;
+  uint_t win_s = 512; // fft size
+  uint_t n_filters = 40; // number of filters
+  uint_t n_coefs = 13; // number of coefficients
+  smpl_t samplerate = 16000.; // samplerate
+  cvec_t *in = new_cvec (win_s); // input buffer
+  fvec_t *out = new_fvec (n_coefs); // output coefficients
 
-  /* allocate fft and other memory space */
+  // create mfcc object
   aubio_mfcc_t *o = new_aubio_mfcc (win_s, n_filters, n_coefs, samplerate);
 
   cvec_set (in, 1.);
-
-  aubio_mfcc_do (o, in, out);
-  fvec_print (out);
   aubio_mfcc_do (o, in, out);
   fvec_print (out);
 
+  cvec_set (in, .5);
+  aubio_mfcc_do (o, in, out);
+  fvec_print (out);
+
+  // clean up
   del_aubio_mfcc (o);
   del_cvec (in);