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Summary

Some hierarchical models of speech timing represent prosodic constituents as oscillators that are coupled, thereby influencing each other’s duration. Alternative approaches focus on the systematic distribution of localized speech-timing effects, such as phrase-final lengthening and stress-based lengthening. In this review, we explore how oscillator-based speech-timing models may be informed by, and possibly reconciled with, approaches that emphasize local timing effects. We consider data from temporally constrained speech production tasks, such as speech cycling, and explore the nature of the hierarchical coordination of prosodic constituents observed therein. In particular, we examine how variation – between dialects and between languages – in the magnitude of the durational contrast between stressed and unstressed syllables may help to account for observed patterns of temporal coordination. Finally, we explore how speech behavior in temporally constrained tasks may be informative about speakers’ coordination of turn-taking in natural dialogues.

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31 - The Role of Prosodic Durational Variation in the Temporal Coordination of Utterances

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31 - The Role of Prosodic Durational Variation in the Temporal Coordination of Utterances

Summary