Acoustic analyses of speech naturalness: a comparison between two therapeutic approaches.

Pro Fono

Fonoaudióloga, Doutora em Ciências pela Faculdade de Medicina da Universidade de São Paulo.

Published: October 2004

Background: acoustic analyses of speech naturalness.

Aim: to use voice onset time (VOT) measure as a parameter of speech naturalness, comparing the outcome of two stuttering treatment procedures.

Method: 12 adult stutterers were divided in two groups and submitted to the same Fluency Promotion Program (FPF). For GI: surface electromyography (EMG) was used as biofeedback.

Results: the results indicate that for GI 50% of the participants presented a more natural sounding speech after the FPF, whereas for GII only 17% of the participants demonstrated adequate speech naturalness in the same period.

Conclusion: although the number of participants of this research was small, the association of EMG to a FPP seems to produce a more natural sounding speech.

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