Year of Award

1982

Document Type

Thesis

College

College of Education and Allied Health

Degree Name

Master of Science (MS)

Department

Communication Disorders and Deaf Education

First Advisor

Sister Marie Damien Adams

Abstract

This study used a group of ten listeners with no previous exposure to artificial larynx speech to judge the intelligibility of Western Electric No. 5 speakers across varying noise conditions with audio versus audiovisual modes of presentation. Percentage scores across the conditions showed a decrease in intelligibility in the audio condition and a further decrease when noise was introduced. Percentage scores for the best condition (audiovisual plus a high signal to noise ratio) were low due to the listeners' unfamiliarity with artificial larynx speech. Further analysis of listener responses indicated a proximity to the target response. Implications of these findings are discussed.

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