Table 8 Generalization—Combine the acoustic features using PCA
Feature Name | Functional | Principle Component (PC) |
|---|---|---|
MFCC 0-14 | Mean | 1st PC from the means of 15 MFCCs |
| Â | Â | 2nd PC from the means of 15 MFCCs |
| Â | Kurt | 1st PC from the kurt of 15 MFCCs |
| Â | Â | 2nd PC from the kurt of 15 MFCCs |
| Â | Skew | 1st PC from the skew of 15 MFCCs |
| Â | Â | 2nd PC from the skew of 15 MFCCs |
ΔMFCC 0-14 | mean | 1st PC from the means of 15 ΔMFCCs |
|  |  | 2nd PC from the means of 15 ΔMFCCs |
|  | Kurt | 1st PC from the kurt of 15 ΔMFCCs |
|  |  | 2nd PC from the kurt of 15 ΔMFCCs |
|  | Skew | 1st PC from the skew of 15 ΔMFCCs |
|  |  | 2nd PC from the skew of 15 ΔMFCCs |
ΔLSP freq 0-7 | mean | 1st PC from the means of 8 ΔLSP freq |
|  |  | 2nd PC from the means of 8 ΔLSP freq |
|  | Kurt | 1st PC from the kurt of 8 ΔLSP freq |
|  |  | 2nd PC from the kurt of 8 ΔLSP freq |
|  | Skew | 1st PC from the skew of 8 ΔLSP freq |
|  |  | 2nd PC from the skew of 8 ΔLSP freq |