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Bookmark and Share Paper 2568

Nasal-Oral Contrast of Short and Long Vowels in Twi: An Acoustic Study
Kofi Adu Manyah
95-104 (complete paper or proceedings contents)

Abstract

This study, part of a research program on the Twi (Akan) language spoken in Ghana, deals with data about the acoustic properties of nasal vowels compared to oral vowels. Acoustic results of the production of durational and quality contrasts are presented. Evidence from the acoustic data shows a general tendency whereby F2 and F3 of the nasal vowels are lower than the oral counterparts in both the short and long contexts. Acoustic data also reveal that nasal-oral contrast depends on the vowel type. Nasal vowels have higher durational values than oral vowels in the short and long phonological categories. When the phonological space is defined by the maximum and minimum values of F1 and F2, it is found to be more reduced for the oral vowels than the nasal vowels.

Published in

Selected Proceedings of the 40th Annual Conference on African Linguistics: African Languages and Linguistics Today
edited by Eyamba G. Bokamba, Ryan K. Shosted, and Bezza Tesfaw Ayalew
Table of contents
Printed edition: $290.00