Number of MFCC coefficients | Recognition rate (%) | Overall average of recognition rate (%) | ||
---|---|---|---|---|
Set A | Set B | Set C | ||
3 MFCC + log energy + their first and second order derivatives | 57.38 | 44.95 | 51.29 | 51.21 |
4 MFCC + log energy + their first and second order derivatives | 58.48 | 46.25 | 52.65 | 52.46 |
5 MFCC + log energy + their first and second order derivatives | 60.41 | 48.16 | 54.46 | 54.34 |
6 MFCC + log energy + their first and second order derivatives | 60.27 | 48.04 | 54.34 | 54.22 |
7 MFCC + log energy + their first and second order derivatives | 62.49 | 50.13 | 56.45 | 56.36 |
8 MFCC + log energy + their first and second order derivatives | 64.87 | 52.98 | 58.31 | 58.72 |
9 MFCC + log energy + their first and second order derivatives | 64.23 | 52.01 | 57.48 | 57.91 |
10 MFCC + log energy + their first and second order derivatives | 65.24 | 53.18 | 59.12 | 59.18 |
11 MFCC + log energy + their first and second order derivatives | 64.56 | 52.63 | 57.98 | 58.39 |
12 MFCC + log energy + their first and second order derivatives | 65.96 | 54.78 | 60.32 | 60.35 |