Voice Disorder Classification Based on Multitaper Mel Frequency Cepstral Coefficients Features

Table 2

Average relative improvement in SV database obtained by the novel window functions and the multitaper systems over the baseline Hamming window system.

Vowel	Baseline acc. (%)	Method	Acc. (%)	Impr. (%)
/a/	94.83	Window	95.00	0.18
		Window	93.65	−1.24
		SWCE	91.56	−3.45
		Multipeak	91.83	−3.16
		Thomson	99.38	4.8
/i/	91.03	Window	92.45	1.56
		Window	94.78	4.12
		SWCE	98.45	8.15
		Multipeak	97.37	6.96
		Thomson	99.86	9.7
/u/	87.86	Window	87.31	−0.63
		Window	91.42	4.05
		SWCE	93.08	5.94
		Multipeak	92.26	5.01
		Thomson	99.54	13.29

Acc., accuracy; Impr., improvement; window , a new window function proposed in [34]; window , a new window function proposed in [35]; SWCE, sinusoidal weighted cepstrum estimator.