TABLE II.

Summary of statistically significant global effects of source-filter interaction on the voice source.

		Uniform vocal tract	Epilaryngeal narrowing	Narrowing in pharynx, oral cavity, and lips
Vibration	Ag0	↑
	Agtamp	↑	↓	↓
	MADRn
	CQ	↓	↓	↓
	Pcontact	↑		↓
Glottal flow	Qmean	↓	↓	↓
	Qamp	↓	↓	↓
	MFDRn	↑	↑
Acoustics	SPL@glottis	↓	↓	↓
	High-order harmonics	↓	↓