Table 3.

Feature values corresponding to swallowing sounds

	Thin		Viscous
	Safe	Unsafe	Safe	Unsafe
Skewness	–0.317, 3.334	–1.564, 3.531	–0.525, 3.894	–0.125, 3.873
Kurtosis	149.2, 117.0	187.2, 101.0	191.8, 132.4	157.3, 88.60
Entropy Rate	0.985, 0.009	0.986, 0.009	0.987, 0.007	0.987, 0.007
L-Z Complexity	0.055, 0.031	0.055, 0.048	0.050, 0.026	0.052, 0.038
Peak Freq (Hz)	94.10, 122.3	99.52, 77.71	99.46, 130.4	92.88, 100.2
Center Freq (Hz)	312.5, 315.9	348.5, 245.7	340.3, 305.1	382.2, 294.2
Bandwidth (Hz)	348.2, 281.8	393.6, 170.0	402.7, 284.0	399.0, 230.7
Wavelet Entropy	1.723, 1.151	1.641, 1.119	1.596, 0.946	1.697, 1.615