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Nordic Prosody

Proceedings of the XIIth Conference, Trondheim 2016

Jardar Eggesbö Abrahamsen, Jacques Koreman and Wim van Dommelen

This volume contains articles based on the presentations given at the Nordic Prosody XII conference, which was held at the Norwegian University of Science and Technology (Trondheim, Norway) in August 2016. The contributors investigate various prosodic aspects, including intonation, rhythm, speaking rate, intensity, and breathing, using approaches ranging from phonetic and phonological analysis to speech technology methods. While most of the studies examine read speech, some of them explore the prosodics of spontaneous speech. The languages that receive most attention are Norwegian, Swedish and Icelandic as well as Estonian, Latgalian and Polish. In addition to the larger Nordic languages, several papers focus on regional languages spoken in these areas.

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Coordination between f0, intensity and breathing signals (Juraj Šimko / Marcin Włodarczak / Antti Suni / Mattias Heldner / Martti Vainio)

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Juraj Šimko, Marcin Włodarczak, Antti Suni, Mattias Heldner, Martti Vainio

Coordination between f0, intensity and breathing signals

Abstract: The present paper presents preliminary results on temporal coordination of breathing, intensity and fundamental frequency signals using continuous wavelet transform. We have found tendencies towards phase-locking at time scales corresponding to several prosodic units such as vowel-to-vowel intervals and prosodic words. The proposed method should be applicable to a wide range of problems in which the goal is finding a stable phase relationship in a pair of hierarchically organised signals.

1. Introduction

The question of the pulmonary contribution to speech prosody is by no means a new one. In his review of the field, Ohala (1990) traces its origins as far back as Scaliger (1610). But old questions have a curious property of being repeatedly reopened, inviting continual revisions. More recently, the issue was revisited by Lieberman (1967), who claimed that f0 movement associated with prominence is primarily produced by momentary increase in exhalatory effort rather than by the action of laryngeal muscles. This hypothesis, however, was soon disproved. It has been shown that the effect of respiratory effort on f0 is far too small to account for the variations observed in speech. More importantly, part of the variation of subglottal pressure is likely to be due to glottal influences, for instance changes in glottal area associated with f0 modulation. At the same time, subglottal pressure may account for some of the variation...

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