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