Folia Phoniatr Logop 1997;49:281–291
(DOI:10.1159/000266468)

Measuring Voice under Teachers’ Working Circumstances: F₀ and Perturbation Features in Maximally Sustained Phonation

Rantala L.a · Määttä T.a · Vilkman E.b

Author affiliations

aDepartment of Finnish, Saami and Logopedics, and bDepartment of Otolaryngology and Phoniatrics, University of Oulu, Finland

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Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: December 09, 2009

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 0

ISSN: 1021-7762 (Print)
eISSN: 1421-9972 (Online)

For additional information: https://www.karger.com/FPL

Abstract

This study is part of a larger project, the aim of which is to develop a method for collecting voice data in working places. In this part, maximally sustained phonation was studied to assess its stability in this kind of uncontrolled circumstances. The subjects were 11 female schoolteachers. Different portions of a sustained /a/ and two consecutively produced samples were measured. The acoustic variables measured were fundamental frequency (F₀), jitter and shimmer. The results showed that two consecutively produced phonations were quite similar, but the place of the sample within the sustained vowel had a very small but statistically significant effect on the values of F₀ and shimmer. Jitter varied quite a lot, and could perhaps be considered to be dependent on the recording circumstances.

© 1997 S. Karger AG, Basel


Article / Publication Details

First-Page Preview
Abstract of Original Paper

Published online: December 09, 2009

Number of Print Pages: 11
Number of Figures: 0
Number of Tables: 0

ISSN: 1021-7762 (Print)
eISSN: 1421-9972 (Online)

For additional information: https://www.karger.com/FPL


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1997, Vol.49, No. 6

1997

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