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Title: AN OVERVIEW OF INTONATION CONTOURS AND SPEAKING RATE IN THE SPEECH OF AN INDIVIDUAL WITH FLACCID DYSARTHRIA
Authors: Abebayehu, Messele
Copyright: 2008
Date Added: 24-Sep-2008
Publisher: Addis Ababa University
Abstract: It is an established fact that language is the chief distinctive feature of humans. Unfortunately, there are a number of individuals missing usage of language and/or speech partially or entirely, from the beginning or lately, momentarily or for a long time, usually for defined reasons or for reasons which cannot yet be explained. This paper attempts to investigate the extent of abnormality in intonation patterns and speaking rate of the speech of an individual with Flaccid Dysarthria1. The subject2 was diagnosed as a Primary Lateral Sclerosis patient, which is a progressive degenerative motorneuron disease, that is, nerve cells in the body gradually die off. It affects only some of the nerve cells in the body—those that control voluntary movement of muscles. The main objective of this study is to acoustically analyze the patient’s vowels, consonants, intonation contours and duration. Acoustic methods were employed to examine the intonation contours and speaking rate of the patient’s speech. More specifically, the data were from solicitation and spontaneous utterances of the subject. They were digitally recorded, sampled and quantized, then fed into a speech analyzer software called Praat. The interpretations of the data were done on the basis of the facts revealed by the software. Accordingly, the patient’s intonation contours and speaking rate were found to be deviant.
URI: http://hdl.handle.net/123456789/1348
Appears in:ILS Proceedings - The 19th Annual Conference
ILS Proceedings - The 19th Annual Conference

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