Feature | Dimensional | Accuracy | ||
---|---|---|---|---|
Mean | STD | Mean and STD | ||
Zero-crossing rate | 1 | 73.73 | 74.86 | 75.10 |
Short-term energy | 1 | 45.81 | 46.03 | 69.41 |
Energy entropy | 1 | 71.86 | 69.10 | 74.99 |
Spectral centroid | 2 | 79.19 | 74.49 | 84.79 |
Spectral entropy | 1 | 69.33 | 74.27 | 76.86 |
Spectral flux | 1 | 79.21 | 69.09 | 77.86 |
Spectral roll-off | 1 | 71.80 | 74.20 | 74.13 |
MFCCs | 13 | 84.26 | 86.44 | 87.66 |
Harmonic | 2 | 69.99 | 82.90 | 83.13 |
Chroma vector | 12 | 83.49 | 83.87 | 83.73 |
All | 35 | 81.07 | 85.97 | 86.04 |