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Front. Psychol. | doi: 10.3389/fpsyg.2018.00247

A musical approach to speech melody

  • 1Psychology, Neuroscience & Behaviour, McMaster University, Canada

We present here a musical approach to speech melody, one that takes advantage of the intervallic precision made possible with musical notation. Current phonetic and phonological approaches to speech melody either assign localized pitch targets that impoverish the acoustic details of the pitch contours and/or merely highlight a few salient points of pitch change, ignoring all the rest of the syllables. We present here an alternative model using musical notation, which has the advantage of representing the pitch of all syllables in a sentence as well as permitting a specification of the intervallic excursions among syllables and the potential for group averaging of pitch use across speakers. We tested the validity of this approach by recording native speakers of Canadian English reading unfamiliar test items aloud, spanning from single words to full sentences containing multiple intonational phrases. The fundamental-frequency trajectories of the recorded items were converted from hertz into semitones, averaged across speakers, and transcribed into musical scores of relative pitch. Doing so allowed us to quantify local and global pitch-changes associated with declarative, imperative, and interrogative sentences, and to explore the melodic dynamics of these sentence types. Our basic observation is that speech is atonal. The use of a musical score ultimately has the potential to combine speech rhythm and melody into a unified representation of speech prosody, an important analytical feature that is not found in any current linguistic approach to prosody.

Keywords: speech melody, speech prosody, Music, Phonetics, phonology, Language

Received: 03 Jul 2017; Accepted: 14 Feb 2018.

Edited by:

Timothy L. Hubbard, Arizona State University, United States

Reviewed by:

Zohar Eviatar, University of Haifa, Israel
Daniela Sammler, Max Planck Institute for Human Cognitive and Brain Sciences (MPG), Germany  

Copyright: © 2018 Chow and Brown. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Dr. Steven Brown, McMaster University, Psychology, Neuroscience & Behaviour, 1280 Main St. W, Hamilton, L8S 4K1, Ontario, Canada, stebro@mcmaster.ca