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Title: Statistical modelling of phonetic and phonologised perturbation effects in tonal and non-tonal languages
Authors: Chen, S 
Zhang, C 
Mccollum, AG
Wayland, R
Keywords: Functional data analysis
Growth curve analysis
Underlying pitch targets
Issue Date: 2017
Publisher: North-Holland
Source: Speech communication, 2017, v. 88, p. 17-38 How to cite?
Journal: Speech communication 
Abstract: This study statistically models perturbation effects of consonants on f0 values of the following vowel in order to quantify the differences between phonetic perturbation effects (i.e., phonetic variation) and phonologised perturbation effects (i.e., tone distinctions). We investigated perturbation effects in a non-tonal language, Japanese and a tonal language, Chongming Chinese. Traditional methods of modelling cannot distinguish phonetic and phonologised effects on surface f0 contours, as variation caused by both effects reached statistical significance. We therefore statistically modelled and tested the differences in underlying pitch targets, which successfully distinguished between phonetic and phonologised effects, and is robust to data variability. The methods used in this study can be further applied to examine perturbation effects cross-linguistically and shed light on the development of tones and stages of phonologisation more broadly.
ISSN: 0167-6393
DOI: 10.1016/j.specom.2017.01.006
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