Document Detail

Invariants, specifiers, cues: an investigation of locus equations as information for place of articulation.
MedLine Citation:
PMID:  8058448     Owner:  NLM     Status:  MEDLINE    
This experiment explored the information for place of articulation provided by locus equations--equations for a line relating the second formant (F2) of a vowel at midpoint of F2 of the formant at consonant-vowel (CV) syllable onset. Locus equations cue place indirectly by quantifying directly the degree of coarticulatory overlap (coarticulation resistance) between consonant and vowel. Coarticulation resistance is correlated with place. The experiment tested predictions that when coarticulation resistance varies due to properties of the consonant other than place of articulation (in particular, due to manner of articulation), locus equations would not accurately reflect consonantal place of articulation. These predictions were confirmed. In addition, discriminant analyses, using locus equation variables as classifiers, were generally unsuccessful in classifying a set of consonants representing six different places of articulation. I conclude that locus equations are unlikely to provide useful place information to listeners.
C A Fowler
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Perception & psychophysics     Volume:  55     ISSN:  0031-5117     ISO Abbreviation:  Percept Psychophys     Publication Date:  1994 Jun 
Date Detail:
Created Date:  1994-09-12     Completed Date:  1994-09-12     Revised Date:  2007-11-14    
Medline Journal Info:
Nlm Unique ID:  0200445     Medline TA:  Percept Psychophys     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  597-610     Citation Subset:  C    
Haskins Laboratories, New Haven, Connecticut 06511.
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MeSH Terms
Signal Processing, Computer-Assisted / instrumentation
Sound Spectrography / instrumentation
Speech Acoustics*
Speech Perception*
Speech Production Measurement*
Grant Support

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

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