F0 Timing and Tone Contrasts in Luganda

Phonetica
Scott MyersAnatole Kiriggwajjo

Abstract

Scholars of Luganda (Bantu, Uganda) have described a contrast between falling and high tone, which is limited to syllables with a long vowel or a coda. The contrast has been represented with H on the first mora of a falling-tone syllable and on both moras in a high-tone syllable. This article explores this contrast through an instrumental study of the timing of f0 events in Luganda. It was found that the 2-tone classes differed in the timing of both the f0 rise and the subsequent f0 fall, supporting a reanalysis of the contrast as one between an early high tone and a late high tone. It was also found that for the speakers in this study, the contrast was limited to syllables with long vowels. The timing of f0 events was sensitive to the duration of segments in the CVC interval centered on the high-toned syllable, including non-moraic elements and consonants outside the syllable. The association of a tone to a syllable identifies the segments relevant for the timing of the f0 contour, but that timing is not directly sensitive to the interval of the syllable.

References

Jan 1, 1989·Phonetica·J B Pierrehumbert, S A Steele
Jan 1, 1988·Phonetica·C P Browman, L Goldstein
Jul 11, 2003·Phonetica·Scott Myers
Nov 3, 2007·Language and Speech·Elizabeth Zsiga, Rattima Nitisaroj

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