An Investigation of Vocal Tract Characteristics for Acoustic Discrimination of Pathological Voices

Table 7

Equal error rate (in %) using formants and vocal fold-related features. The term VF indicates vocal fold-related features. Numbers in parentheses show relative error improvement in equal error rate (in %) compared to using only VF.

	Formants	VF	Formants + VF
Polyp
Female	25.3	12.3	12.1 (1.6)
Male	17.8	16.0	14.5 (9.4)
Unilateral VCP
Female	17.1	11.2	9.3 (17.0)
Male	12.2	6.6	6.6 (0)