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Rhythm and Speech Rate: A Variation Coefficient for deltaC


Dellwo, Volker (2006). Rhythm and Speech Rate: A Variation Coefficient for deltaC. In: Karnowski, P; Szigeti, I. Language and language-processing. Frankfurt/Main: Peter Lang, 231-241.

Abstract

The percentage of vocalic intervals (%V) and the standard deviation of consonantal intervals (deltaC) in a speech signal are two dimensions according to which languages of different rhythm classes (e.g. stress-timed, syllable-timed) seem to be differentiable on an acoustic level (Ramus et al., 1999). In this context it has been found that especially deltaC varies considerably as a function of speech rate (Barry et al., 2003 and Dellwo & Wagner,
2003).
The present paper argues that if deltaC was determined by speech rate it would describe speech rate rather than rhythm. For this reason a variation coefficient (varcoDeltaC) will be calculated in order to monitor relative deltaC variation across speech rates. Results for varcoDeltaC support the views that a) according to varcoDeltaC rhythm classes seem to be better differentiable and b) some languages tend to vary in rhythm as a function of speech rate (German, English), while the rhythm of other languages seems to be unaffected by changes in speech rate (French).

Abstract

The percentage of vocalic intervals (%V) and the standard deviation of consonantal intervals (deltaC) in a speech signal are two dimensions according to which languages of different rhythm classes (e.g. stress-timed, syllable-timed) seem to be differentiable on an acoustic level (Ramus et al., 1999). In this context it has been found that especially deltaC varies considerably as a function of speech rate (Barry et al., 2003 and Dellwo & Wagner,
2003).
The present paper argues that if deltaC was determined by speech rate it would describe speech rate rather than rhythm. For this reason a variation coefficient (varcoDeltaC) will be calculated in order to monitor relative deltaC variation across speech rates. Results for varcoDeltaC support the views that a) according to varcoDeltaC rhythm classes seem to be better differentiable and b) some languages tend to vary in rhythm as a function of speech rate (German, English), while the rhythm of other languages seems to be unaffected by changes in speech rate (French).

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Additional indexing

Item Type:Book Section, refereed, original work
Communities & Collections:06 Faculty of Arts > Department of Comparative Linguistics
Dewey Decimal Classification:490 Other languages
890 Other literatures
410 Linguistics
Language:English
Date:2006
Deposited On:30 Jul 2015 08:25
Last Modified:18 Apr 2018 11:46
Publisher:Peter Lang
ISBN:978-3-631-55477-7
Funders:Deutsche Forschungsgemeinschaft
OA Status:Green
Related URLs:http://www.peterlang.com/index.cfm?event=cmp.ccc.seitenstruktur.detailseiten&seitentyp=produkt&pk=39444&cid=468

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