Research Article
Modeling of Child Stress-State Identification Based on Biometric Information in Mobile Environment
Table 2
Representative sound features.
| No | Features |
| 1 | Power spectrum | 2 | Magnitude spectrum | 3 | Magnitude spectrum peaks | 4 | Spectral variability | 5 | Spectral centroid | 6 | Partial-based spectral centroid | 7 | Partial-based spectral smoothness | 8 | Compactness | 9 | Spectral roll-off point | 10 | Spectral flux | 11 | Partial-based spectral flux | 12 | Method of method | 13 | Area method of moments | 14 | Mel frequency cepstral of coefficient (MFCC) | 15 | Area method of moments of MFCCs | 16 | Zero crossings | 17 | Root mean square | 18 | Relative difference function | 19 | Fraction of low-energy frames | 20 | Linear predictive coding | 21 | Beat histogram | 22 | Strongest beat | 23 | Beat sum | 24 | Strength of strongest beat | 25 | Strongest frequency via zero crossings | 26 | Strongest frequency via spectral centroid | 27 | Strongest frequency via FFT maximum |
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