Research Article
A Multiscale Chaotic Feature Extraction Method for Speaker Recognition
Table 2
The speaker chaotic features.
| Feature type | Feature ID | Feature parameter | Statistical description |
| Acoustic feature | 1∼60 | 12-order MFCC | Skewness, kurtosis, mean, variance, median | 61∼108 | 4-order LPC |
| Nonlinear feature | 109∼113 | Minimum delay time | Maximum, minimum, mean, median, and variance | 114∼118 | Correlation dimension | 119∼123 | K entropy | 124∼128 | Maximum Lyapunov exponent | 129∼133 | Hurst exponent |
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