Global ETD Search

11	The benefits of clear speech at normal rates for older adults with normal hearing Panagiotopoulos, Athina Panagos 01 January 2005 (has links) Clear speech is a type of speaking style that improves speech intelligibility for many individuals. For example, one study showed a 17 percentage point increase in intelligibility over conversational speech for individuals with sensorineural hearing loss (Picheny et al., 1985). The clear speech benefit also extends to children with learning disabilities (Bradlow et al., 2003), non-native listeners (Bradlow and Bent, 2002), and other populations. Although clear speech is typically slower than conversational speech, it can be produced, naturally, at normal rates with training. For young listeners with normal hearing, clear speech at normal rates (clear/normal) is more intelligible than conversational speech (conv/normal) and is almost as beneficial as clear speech at slow rates (clear/slow) (Krause and Braida, 2002). However, a preliminary study by Krause (2001), found that clear/normal speech may benefit some older listeners with hearing loss but not others, suggesting that age may be a factor in the clear speech benefit at normal rates. It is evident, though, that clear speech at slow rates benefits this population (Picheny et al., 1985; Payton et al., 1994; Schum, 1996; Helfer, 1998). Therefore, the purpose of the study was to examine older listeners with normal hearing to determine how speech intelligibility, measured by % correct keyword scores, varies with speaking mode, speaking rate, talker and listener. Results were then compared to previously collected data from younger listeners with normal hearing (Krause and Braida, 2002) in order to isolate the effect of age on the size of clear speech benefit at slow and normal speaking rates.Eight adults (ages 55-68) with normal hearing participated in speech intelligibility tests. Speech intelligibility Speaking rate Hearing impaired Aging Acoustic properties Hearing aids Communication breakdown American Studies Arts and Humanities
12	Speech Motor Control in English-Mandarin Bilinguals who stutter Chiam, Ruth January 2013 (has links) Research examining bilinguals who stutter (BWS) is limited; in particular there are few studies that have considered examining features of speech motor control in BWS. The present study was designed to examine features of speech motor control in bilingual speakers of Mandarin and English. Speech motor control was examined through the acoustic analysis of speaking rate, voice onset time (VOT) and stuttering adaptation. Participants ranged from age between 9 and 27 years. Upon completion of a language dominance questionnaire, two BWS participants were found to be English dominant and three were Mandarin dominant. Each BWS participant was matched to age/sex matched control participants (BWNS). Results for the BWS participants found more stuttering in the less dominant language based on a measure of percentage of syllables stuttered. All of the BWS participants demonstrated stuttering adaptation and there was no significant difference in the amount of adaptation for Mandarin and English. There was no difference found between BWS and BWNS for speaking rate and VOT. In spite of the similarity between BWS and BWNS, speaking rate in Mandarin appeared to be faster compared to English. These findings suggest that speech motor control in BWS and BWNS are similar and current application of these findings to the clinical setting is discussed. stuttering stutter stammer stammering bilingual bilinguals English Mandarin English-Mandarin Mandarin-English voice onset time speech therapy speech motor control speaking rate articulation rate bilinguals who stutter VOT adaptation effect adaptation speech and language therapy language dominance language proficiency
13	The Aerodynamic, Glottographic, and Acoustic Effects of Clear Speech. Tahamtan, Mahdi 06 September 2022 (has links) No description available. Speech Therapy Acoustics Clear Speech Habitual Speech Conversational Speech Aerodynamics Oral Air Pressure Airflow Glottal Airflow Inverse Filtering Electroglottography EGG Acoustics of Speech Glottography Speaking Rate Syllables per Second Intensity Of Speech Stop Gap Voice Onset Time VOT Contact Quotient Open Quotient Skewing Quotient Closed Quotient

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