Changes in examples/aubiomfcc.c [f72ceeb:38837b1]

File:

• examples/aubiomfcc.c (modified) (4 diffs)

examples/aubiomfcc.c

@@ -23 +23 @@
 fvec_t * mfcc_out;
 aubio_mfcc_t * mfcc;
-
-uint_t n_filters = 40;
-uint_t n_coefs = 20;
 
 unsigned int pos = 0; /*frames%dspblocksize*/
@@ -53 +50 @@
       //compute mfccs
       aubio_mfcc_do(mfcc, fftgrain, mfcc_out);
-      
-      uint_t coef_cnt;
-      for (coef_cnt = 0; coef_cnt < n_coefs; coef_cnt++) {
-          outmsg("%f ",mfcc_out->data[0][coef_cnt]);
-      }
-      outmsg("\n");
-      
+
       /* end of block loop */
       pos = -1; /* so it will be zero next j loop */
@@ -74 +65 @@
       */
       
-      uint_t coef_cnt;
+      uint_t filter_cnt;
       if (output_filename == NULL) {
-//         if(frames >= 4) {
-//           outmsg("%f\t",(frames-4)*overlap_size/(float)samplerate);
-//         } 
-//         else if (frames < 4) {
-//           outmsg("%f\t",0.);
-//         }
-        //outmsg("%f ",mfcc_out->data[0][0]);
-        
-        
+        if(frames >= 4) {
+          outmsg("%f\t",(frames-4)*overlap_size/(float)samplerate);
+        } else if (frames < 4) {
+          outmsg("%f\t",0.);
+        }
+        outmsg("%f",mfcc_out->data[0][0]);
+        for (filter_cnt = 1; filter_cnt < mfcc_out->length; filter_cnt++) {
+          outmsg(",%f",mfcc_out->data[0][filter_cnt]);
+        }
+        outmsg("\n");
       }
 }
@@ -90 +82 @@
 int main(int argc, char **argv) {
   // params
-  
+  uint_t n_filters = 11;
   examples_common_init(argc,argv);
-  smpl_t lowfreq = 133.333f;
-  smpl_t highfreq = 44100.f;
-  mfcc_out = new_fvec(n_coefs,channels);
-  
+  smpl_t lowfreq = 0.;
+  smpl_t highfreq = samplerate;
+  mfcc_out = new_fvec(n_filters,channels);
   
   //populating the filter
-  mfcc = new_aubio_mfcc(buffer_size, samplerate, n_filters, n_coefs , lowfreq, highfreq, channels);
-  dump_filterbank(mfcc);
-  
-  
+  mfcc = new_aubio_mfcc(buffer_size, samplerate, n_filters, lowfreq, highfreq,
+      channels);
+
   //process
   examples_common_process(aubio_process,process_print);