Shriberg, E. E. and Lickley , Robin (1993) Intonation of clause-internal filled pauses. Phonetica, 50 (3). pp. 172-179. ISSN 1423-0321
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Official URL: http://www.ncbi.nlm.nih.gov/pubmed/8295925?dopt=Abstract
Clause-internal filled pauses and preceding peak fundamental frequency (F0) values were analyzed to determine whether the intonation of filled pauses is relative to, or independent of, prior prosodic context. Higher peaks were found to be systematically associated with higher filled-pause values, supporting the 'relative' hypothesis. A linear model, in which filled-pause F0 was expressed as an invariant (over speakers) proportion of the distance between preceding peak F0 and a speaker-dependent baseline F0, produced results nearly identical to those of a two-parameter model in which the coefficients of peak and baseline were allowed to vary freely. The model was less appropriate for filled pauses after sentence-initial peaks, but unaffected by temporal variables.
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