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Direct linkTjaden, Kris; Lam, Jennifer; Wilding, Greg – Journal of Speech, Language, and Hearing Research, 2013
Purpose: The impact of clear speech, increased vocal intensity, and rate reduction on acoustic characteristics of vowels was compared in speakers with Parkinson's disease (PD), speakers with multiple sclerosis (MS), and healthy controls. Method: Speakers read sentences in habitual, clear, loud, and slow conditions. Variations in clarity,…
Descriptors: Neurological Impairments, Vowels, Acoustics, Speech
Lam, Jennifer; Tjaden, Kris; Wilding, Greg – Journal of Speech, Language, and Hearing Research, 2012
Purpose: This study investigated how different instructions for eliciting clear speech affected selected acoustic measures of speech. Method: Twelve speakers were audio-recorded reading 18 different sentences from the Assessment of Intelligibility of Dysarthric Speech (Yorkston & Beukelman, 1984). Sentences were produced in habitual, clear,…
Descriptors: Acoustics, Speech, Articulation (Speech), Hearing Impairments
