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2011

Public Access Theses and Dissertations from the College of Education and Human Sciences

Audibility

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Audibility As A Predictor Of Speech Recognition And Listening Effort, Ryan W. Mccreery Jan 2011

Audibility As A Predictor Of Speech Recognition And Listening Effort, Ryan W. Mccreery

Public Access Theses and Dissertations from the College of Education and Human Sciences

Two studies were conducted to evaluate how audibility influences speech recognition and measures of working memory in children with normal hearing. Specifically, audibility limitations related to background noise and limited bandwidth were analyzed, as these factors are characteristic of the listening conditions encountered by children with hearing loss who wear hearing aids.

In the first study, speech recognition was measured for 117 children and 18 adults with normal hearing. Stimulus bandwidth and the level of background noise were varied systematically in order to evaluate predictions of audibility based on the Speech Intelligibility Index. Results suggested that children with normal hearing ...