Signature of prosody in tonal realization: Evidence from Standard Chinese
Acoustical Society of America Journal, May 1, 2001
It is by now widely accepted that the articulation of speech is influenced by the prosodic struct... more It is by now widely accepted that the articulation of speech is influenced by the prosodic structure into which the utterance is organized. Furthermore, the effect of prosody on F0 realization has been shown to be mainly phonological [Beckman and Pierrehumbert (1986); Selkirk and Shen (1990)]. This paper presents data from the F0 realizations of lexical tones in Standard Chinese and shows that prosodic factors may influence the articulation of a lexical tone and induce phonetic variations in its surface F0 contours, similar to the phonetic effect of prosody on segment articulation [de Jong (1995); Keating and Foureron (1997)]. Data were elicited from four native speakers of Standard Chinese producing all four lexical tones in different tonal contexts and under various focus conditions (i.e., under focus, no focus, and post focus), with three renditions for each condition. The observed F0 variations are argued to be best analyzed as resulted from prosodically driven differences in the phonetic implementation of the lexical tonal targets, which in turn is induced by pragmatically driven differences in how distinctive an underlying tonal target should be realized. Implications of this study on the phonetic implementation of phonological tonal targets will also be discussed.
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