Scale the text graph

f_mfcc/f_mfcc.cpp

@@ -60,7 +60,7 @@ int main(int argc, char**argv){
         FOR(i, mfcc_coeffs_nb)  output.floats[i] = GetCoefficient(fftw_array, sample_rate, filters_nb, fftw_length, i);
 
         if(display){
-            blc_fprint_float_graph(stderr, output.floats, output.total_length, "spectrum", columns_nb, rows_nb, 1, 0, "Frequency", "Intensity");
+            blc_fprint_float_graph(stderr, output.floats, output.total_length, "mfcc", columns_nb, rows_nb, 20, 0, "Coeff", "Intensity");
             blc_eprint_cursor_up(rows_nb);
         }
     }