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ERIC Number: EJ859456
Record Type: Journal
Publication Date: 2009-Oct
Pages: 13
Abstractor: As Provided
Reference Count: 0
ISSN: ISSN-1092-4388
The Influence of Speaking Rate on Nasality in the Speech of Hearing-Impaired Individuals
Dwyer, Claire H.; Robb, Michael P.; O'Beirne, Greg A.; Gilbert, Harvey R.
Journal of Speech, Language, and Hearing Research, v52 n5 p1321-1333 Oct 2009
Purpose: The purpose of this study was to determine whether deliberate increases in speaking rate would serve to decrease the amount of nasality in the speech of severely hearing-impaired individuals. Method: The participants were 11 severely to profoundly hearing-impaired students, ranging in age from 12 to 19 years (M = 16 years). Each participant provided a baseline speech sample (R1) followed by 3 training sessions during which participants were trained to increase their speaking rate. Following the training sessions, a second speech sample was obtained (R2). Acoustic and perceptual analyses of the speech samples obtained at R1 and R2 were undertaken. The acoustic analysis focused on changes in first (F[subscript 1]) and second (F[subscript 2]) formant frequency and formant bandwidths. The perceptual analysis involved listener ratings of the speech samples (at R1 and R2) for perceived nasality. Results: Findings indicated a significant increase in speaking rate at R2. In addition, significantly narrower F[subscript 2] bandwidth and lower perceptual rating scores of nasality were obtained at R2 across all participants, suggesting a decrease in nasality as speaking rate increases. Conclusion: The nasality demonstrated by hearing-impaired individuals is amenable to change when speaking rate is increased. The influences of speaking rate changes on the perception and production of nasality in hearing-impaired individuals are discussed.
American Speech-Language-Hearing Association (ASHA). 10801 Rockville Pike, Rockville, MD 20852. Tel: 800-638-8255; Fax: 301-571-0457; e-mail:; Web site:
Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A