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An acoustic study of rate induced va...

Tjaden, Kristin Kay.

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An acoustic study of rate induced variability in select formant frequency trajectories.

Record Type:	Electronic resources : Monograph/item
Title/Author:	An acoustic study of rate induced variability in select formant frequency trajectories./
Author:	Tjaden, Kristin Kay.
Description:	304 p.
Notes:	Source: Dissertation Abstracts International, Volume: 57-01, Section: B, page: 0277.
Contained By:	Dissertation Abstracts International57-01B.
Subject:	Health Sciences, Speech Pathology. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9608138

An acoustic study of rate induced variability in select formant frequency trajectories.
Tjaden, Kristin Kay.

An acoustic study of rate induced variability in select formant frequency trajectories. - 304 p.

Source: Dissertation Abstracts International, Volume: 57-01, Section: B, page: 0277.

Thesis (Ph.D.)--The University of Wisconsin - Madison, 1995.

The purpose of this study was (1) to describe spectral and temporal changes of F2 trajectories in target words produced by eight, healthy, young adult speakers at a variety of speaking rates and (2) to evaluate the manner in which the overlap of adjacent consonant and vowel gestures changed with speaking rate, as indexed by measures of F2 onset frequency. Two speakers with dysarthria exhibiting scanning speech patterns also produced multiple repetitions of target words at habitual and fast rates to evaluate whether their speech patterns could be characterized by reduced overlap of adjacent consonant and vowel gestures compared to the young adult speakers, as indexed by F2 onset frequency.Subjects--Topical Terms:

1018105
Health Sciences, Speech Pathology.

An acoustic study of rate induced variability in select formant frequency trajectories.
LDR:03303nmm 2200313 4500 001 1819063
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008 130610s1995 eng d
035 $a (UnM)AAI9608138
035 $a AAI9608138
040 $a UnM $c UnM
100 1 $a Tjaden, Kristin Kay. $3 1908364
245 1 3 $a An acoustic study of rate induced variability in select formant frequency trajectories.
300 $a 304 p.
500 $a Source: Dissertation Abstracts International, Volume: 57-01, Section: B, page: 0277.
500 $a Supervisor: Gary Weismer.
502 $a Thesis (Ph.D.)--The University of Wisconsin - Madison, 1995.
520 $a The purpose of this study was (1) to describe spectral and temporal changes of F2 trajectories in target words produced by eight, healthy, young adult speakers at a variety of speaking rates and (2) to evaluate the manner in which the overlap of adjacent consonant and vowel gestures changed with speaking rate, as indexed by measures of F2 onset frequency. Two speakers with dysarthria exhibiting scanning speech patterns also produced multiple repetitions of target words at habitual and fast rates to evaluate whether their speech patterns could be characterized by reduced overlap of adjacent consonant and vowel gestures compared to the young adult speakers, as indexed by F2 onset frequency.
520 $a The descriptive data for the young adult speakers suggested that spectral and temporal measures of F2 trajectories generally covaried with each other across speaking rate in a systematic manner; spectral and temporal acoustic measures also typically covaried with speaking rate. Furthermore, descriptive data associated with slowed covaried with speaking rate. Furthermore, descriptive data associated with slowed speaking rate for the young adult speakers were similar to data previously reported for speakers with dysarthria.
520 $a The regression analyses evaluating variation in the overlap of consonant and vowel gestures for the young adult speakers generally supported a gesture-based view of speech production. These results, however, indicated that a simple temporal-sliding model (e.g. Browman & Goldstein 1986, 1990; Saltzman & Munhall, 1989) does not completely characterize change in gesture overlap induced by speaking rate variation. Models incorporating modifications in the magnitude and form of vowel gestures are required to account for acoustic data in the present study.
520 $a Finally, descriptive measures of F2 onset frequency indicated that the speakers with dysarthria produced target words with less overlap between consonant and vowel gestures when compared to the young adult speakers. A temporal-sliding model of gesture overlap did not appropriately characterize the date for the speakers with dysarthria.
520 $a The implications of these results are discussed with regard to theories of speech motor control for normal and disordered speakers. An empirically-based model of the acoustic manifestation of variation in gesture overlap also is offered.
590 $a School code: 0262.
650 4 $a Health Sciences, Speech Pathology. $3 1018105
650 4 $a Language, Linguistics. $3 1018079
690 $a 0460
690 $a 0290
710 2 0 $a The University of Wisconsin - Madison. $3 626640
773 0 $t Dissertation Abstracts International $g 57-01B.
790 1 0 $a Weismer, Gary, $e advisor
790 $a 0262
791 $a Ph.D.
792 $a 1995
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=9608138