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Lookup NU author(s): Dr Laurence White
This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License (CC BY-NC-ND).
Listeners can use variation in speech segment duration to interpret the structure of spoken utterances, but there is no systematic description of how speakers manipulate timing for communicative ends. Here I propose a functional approach to prosodic speech timing, with particular reference to English. The disparate findings regarding the production of timing effects are evaluated against the functional requirement that communicative durational variation should be perceivable and interpretable by the listener. In the resulting framework, prosodic structure is held to influence speech timing directly only at the heads and edges of prosodic domains, through large, consistent lengthening effects. As each such effect has a characteristic locus within its domain, speech timing cues are potentially disambiguated for the listener, even in the absence of other information. Diffuse timing effects - in particular, quasi-rhythmical compensatory processes implying a relationship between structure and timing throughout the utterance - are found to be weak and inconsistently observed. Furthermore, it is argued that articulatory and perceptual constraints make shortening processes less useful as structural cues, and they must be regarded as peripheral, at best, in a parsimonious and functionally-informed account. © 2014 Published by Elsevier B.V.
Author(s): White L
Publication type: Article
Publication status: Published
Journal: Speech Communication
Print publication date: 01/09/2014
Online publication date: 09/05/2014
Acceptance date: 14/04/2014
Date deposited: 31/05/2019
ISSN (print): 0167-6393
ISSN (electronic): 1872-7182
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