Abstract/Details

Evidence for phonological categories from speech perception


1998 1998

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Abstract (summary)

The nature of the categories that are basic in linguistic representation is an important issue in speech perception. How listeners extract messages from physical signals may depend on what the fundamental units of those messages are. In this dissertation, I present two experiments, designed to test how listeners use certain acoustic cues to classify English stop consonants with regard to two phonological dimensions, place of articulation and voicing. Statistical models of listener classification suggest that the categorization observed here is best described using the phonological category of distinctive feature. Features are argued to play a role in classification and are fundamental to speech perception.

In Experiment 1, 12 different VOT continua, using four types of F1 transitions combined with the higher formant transitions appropriate for bilabials, alveolars, and velars, were used to evaluate the effects of F1 transition and place of articulation on voice classification. A logistic regression analysis suggests that F1 transition and place of articulation both affect (voice) classification, largely independently. Bilabials were more likely than velars to be judged (-voice), independent of F1 transition and VOT. At the same time, increasing F1 transition onset frequency and shortening the transition duration led to more (-voice) judgments, independent of place of articulation and VOT.

A two-dimensional stimulus continuum in which both VOT and F2 onset transition were varied in Experiment 2 in order to evaluate the interaction between (place) and (voice) classification. Loglinear techniques, are used to measure the effects of the perception of (place) and (voice) on each other as well as the effects of VOT and F2 onset on the perception of hath phonological categories. Statistical models of the data in suggest that the perception of (place) and (voice) affect each other, independent of the primary acoustic cues that give rise to the perception of (place) and (voice).

Indexing (details)


Subject
Linguistics;
Communication
Classification
0290: Linguistics
0459: Communication
Identifier / keyword
Communication and the arts, Language, literature and linguistics, Articulation, Classification, Phonetics, Phonological categories, Speech perception, Stop consonants, Voicing
Title
Evidence for phonological categories from speech perception
Author
Benki, Jose Ramon
Number of pages
142
Publication year
1998
Degree date
1998
School code
0118
Source
DAI-A 59/10, Dissertation Abstracts International
Place of publication
Ann Arbor
Country of publication
United States
ISBN
9780599073098, 0599073098
Advisor
Kingston, John
University/institution
University of Massachusetts Amherst
University location
United States -- Massachusetts
Degree
Ph.D.
Source type
Dissertations & Theses
Language
English
Document type
Dissertation/Thesis
Dissertation/thesis number
9909147
ProQuest document ID
304422604
Copyright
Database copyright ProQuest LLC; ProQuest does not claim copyright in the individual underlying works.
Document URL
http://search.proquest.com/docview/304422604
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