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Effect of variations in global and l...

Kale, Sushrut Suresh.

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Effect of variations in global and local spectral properties of a steady state vowel spectrum on speech perception by cochlear implant users.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Effect of variations in global and local spectral properties of a steady state vowel spectrum on speech perception by cochlear implant users./
Author:	Kale, Sushrut Suresh.
Description:	37 p.
Notes:	Adviser: Robert V. Shannon.
Contained By:	Masters Abstracts International45-01.
Subject:	Engineering, Biomedical. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1437830
ISBN:	9780542871276

Effect of variations in global and local spectral properties of a steady state vowel spectrum on speech perception by cochlear implant users.
Kale, Sushrut Suresh.

Effect of variations in global and local spectral properties of a steady state vowel spectrum on speech perception by cochlear implant users. - 37 p.

Adviser: Robert V. Shannon.

Thesis (M.S.)--University of Southern California, 2006.

This research study investigates the role of the local spectral parameter, formant frequency peaks, and the role of the global spectral parameter, overall spectral tilt on identification of vowels by cochlear implant users. Spectral tilt is defined as the slope of a line joining the amplitude peak of formant frequencies F1 and F3. A matrix of 49 acoustic vowel stimuli was created using a custom program in MATLAB. Within this matrix, seven values of F2 frequencies were fully crossed with seven value of the spectral tilt. These 49 stimuli were presented to the listeners in isolated manner as well as in presence of the context sentence. Data suggests that CI users rely more on overall spectral tilt regardless of the context sentence.

ISBN: 9780542871276Subjects--Topical Terms:

1017684
Engineering, Biomedical.

Effect of variations in global and local spectral properties of a steady state vowel spectrum on speech perception by cochlear implant users.
LDR:01675nam 2200277 a 45 001 972378
005 20110927
008 110927s2006 eng d
020 $a 9780542871276
035 $a (UMI)AAI1437830
035 $a AAI1437830
040 $a UMI $c UMI
100 1 $a Kale, Sushrut Suresh. $3 1296385
245 1 0 $a Effect of variations in global and local spectral properties of a steady state vowel spectrum on speech perception by cochlear implant users.
300 $a 37 p.
500 $a Adviser: Robert V. Shannon.
500 $a Source: Masters Abstracts International, Volume: 45-01, page: 0374.
502 $a Thesis (M.S.)--University of Southern California, 2006.
520 $a This research study investigates the role of the local spectral parameter, formant frequency peaks, and the role of the global spectral parameter, overall spectral tilt on identification of vowels by cochlear implant users. Spectral tilt is defined as the slope of a line joining the amplitude peak of formant frequencies F1 and F3. A matrix of 49 acoustic vowel stimuli was created using a custom program in MATLAB. Within this matrix, seven values of F2 frequencies were fully crossed with seven value of the spectral tilt. These 49 stimuli were presented to the listeners in isolated manner as well as in presence of the context sentence. Data suggests that CI users rely more on overall spectral tilt regardless of the context sentence.
590 $a School code: 0208.
650 4 $a Engineering, Biomedical. $3 1017684
650 4 $a Health Sciences, Audiology. $3 1018138
690 $a 0300
690 $a 0541
710 2 0 $a University of Southern California. $3 700129
773 0 $t Masters Abstracts International $g 45-01.
790 $a 0208
790 1 0 $a Shannon, Robert V., $e advisor
791 $a M.S.
792 $a 2006
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1437830