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Comparison Among Phonation of the Sustained Vowel /ε/, Lip Trills, and Tongue Trills: The Amplitude of Vocal Fold Vibration and the Closed Quotient

Written By

Gislaine Ferro Cordeiro, Arlindo Neto Montagnoli and Domingos Hiroshi Tsuji

Submitted: June 16th, 2011 Published: May 23rd, 2012

DOI: 10.5772/38325

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Written By

Gislaine Ferro Cordeiro, Arlindo Neto Montagnoli and Domingos Hiroshi Tsuji

Submitted: June 16th, 2011 Published: May 23rd, 2012