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Table 2 Notations and variables in the two-mass model for the vocal tract

From: Classification of speech under stress based on modeling of the vocal folds and vocal tract

Notation/variable Description
A i The cross-sectional areas in the tube model
l i The cylinder lengths in the tube model
d i The thickness of m1 and m2
Ag1, Ag2 The cross-sectional areas of the glottis
U g The average volume velocity across the glottal area
c The velocity of sound
ρ The air density
ω The radian frequency