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Long- and short-term within-speaker differences in the formants of Australian hello

Published online by Cambridge University Press:  27 April 2009

Phil Rose
Phil Rose
Affiliation:
Phonetics Laboratory, Department of Linguistics (Arts), Australian National University e-mail: [email protected]
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Abstract

This paper reports the results of a forensic phonetic experiment which investigates the nature of long- and short-term within-speaker differences in the F-pattem of the same word hello said by six similar-sounding male speakers of Australian English. Short-term differences are obtained from recordings separated by about one minute, long-term differences from recordings separated by at least a year. Within-spcaker variation in the centre frequencies of the first four formants at well-defined points in the word is quantified by ANOVA, Scheffé's F and Euclidean distances. Very few significant differences occur in either the long- or short-term, and they appear largely random. Bom long- and short-term mean within-speaker differences are shown to be less than the corresponding mean between-speaker differences. Implications of the findings are discussed and directions for future research are outlined.

Type
Articles
Information
Journal of the International Phonetic Association , Volume 29 , Issue 1 , June 1999 , pp. 1 - 31
Copyright
Copyright © Journal of the International Phonetic Association 1999

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