Feature type | Warping type | Emotional states | |||||
---|---|---|---|---|---|---|---|
Anger | Disgust | Fear | Happy | Sad | Average WER | ||
MFCC | No Warping | 8.11 | 5.54 | 11.20 | 6.39 | 6.50 | 7.55 |
Filterbank Warping | 7.80 | 5.09 | 9.69* | 5.40* | 6.06 | 6.81 | |
DCT Warping | 7.78* | 5.47 | 9.20* | 4.92* | 5.71* | 6.62 | |
Filterbank & DCT Warping | 7.78* | 5.44 | 9.25* | 4.67* | 5.65* | 6.56 | |
M-MFCC | No Warping | 8.11 | 6.53 | 10.33 | 6.42 | 6.97 | 7.67 |
Filterbank Warping | 7.38* | 6.26 | 9.32* | 6.06 | 6.77 | 7.16 | |
DCT Warping | 7.28 | 6.35 | 9.50* | 5.79 | 6.09* | 7.00 | |
Filterbank & DCT Warping | 7.42* | 6.16 | 9.32* | 5.90 | 6.50 | 7.06 | |
ExpoLog | No Warping | 8.25 | 7.25 | 12.32 | 7.88 | 9.63 | 9.07 |
Filterbank Warping | 7.17* | 6.63 | 11.22* | 6.49* | 8.75 | 8.05 | |
DCT Warping | 7.47 | 6.87 | 11.48* | 6.41* | 8.73 | 8.19 | |
Filterbank & DCT Warping | 6.97* | 7.00 | 10.56* | 6.11* | 8.52* | 7.83 | |
GFCC | No Warping | 55.73 | 23.07 | 44.39 | 39.48 | 27.97 | 38.13 |
Filterbank Warping | 54.95 | 22.33 | 43.28* | 38.36* | 26.89* | 37.16 | |
DCT Warping | 55.33 | 22.68 | 43.67* | 35.85* | 27.97* | 37.10 | |
Filterbank & DCT Warping | 55.99 | 23.02 | 44.31 | 36.82* | 29.32 | 37.89 | |
PNCC | No Warping | 4.49 | 1.96 | 6.25 | 2.17 | 2.26 | 3.43 |
Filterbank Warping | 3.97* | 1.83 | 5.96 | 1.71* | 1.99* | 3.09 | |
DCT Warping | 4.52 | 2.03 | 6.75 | 3.08 | 2.37 | 3.75 | |
Filterbank & DCT Warping | 4.44 | 1.98 | 6.21 | 2.56 | 2.09 | 3.46 |