Document Detail

Voiceless consonants and locus equations: a comparison with electropalatographic data on coarticulation.
MedLine Citation:
PMID:  11961419     Owner:  NLM     Status:  MEDLINE    
The appropriateness of using locus equations in a study of voiceless consonants is examined. The consonants investigated are the stops /t k/ and the fricatives /theta s integral/. The slope value of the locus equation, indicating degree of coarticulation in the CV syllable, is compared with electropalatographic (EPG) data on coarticulation. It is shown that, overall, there is a very poor correlation between locus equation and EPG data as regards coarticulation. It is also shown that more accurate locus equation results - in terms of their correlation with EPG data - are obtained for stop consonants when F2 onset is sampled at stop release, rather than at the onset of voicing for the vowel. Finally, results for the voiceless consonants are compared with results for their homorganic voiced counterparts. Whilst there is no significant difference between voiced and voiceless consonants in the EPG data, there is a significant difference between voiced and voiceless consonants in the locus equation data. These results suggest that locus equations cannot provide invariant cues for stop and fricative place of articulation across the voiced-voiceless distinction.
Marija Tabain
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Phonetica     Volume:  59     ISSN:  0031-8388     ISO Abbreviation:  Phonetica     Publication Date:    2002 Jan-Mar
Date Detail:
Created Date:  2002-04-18     Completed Date:  2002-06-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0376424     Medline TA:  Phonetica     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  20-37     Citation Subset:  IM    
Copyright Information:
Copyright 2001 S. Karger AG, Basel
Speech, Hearing and Language Research Centre, Department of Linguistics, Macquarie University, Sydney, Australia.
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MeSH Terms
Electromyography / methods
Palate / physiology*
Speech / physiology
Speech Acoustics
Speech Perception
Speech Production Measurement

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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