Abstract
While long-term fundamental frequency statistics have been shown to be useful in discriminating speakers, relatively little attention has been paid in work on speaker characterization to intonation as a linguistically and phonetically structured phenomenon. To help redress the balance, this article presents the results of an experiment on between-speaker differences in linguistically specified intonational events. An autosegmental-metrical model of intonation is assumed which uses H (high) and L (low) targets as its primes. Since the pitch of the events corresponding to these targets is highly variable due to factors such as within-speaker variation in pitch range (or ‘pitch span’), this study investigates as a source of speaker discrimination the temporal alignment of these intonational events with segmental events. A limited degree of discrimination is achieved in highly controlled materials. Of theoretical interest is that definable pitch events lying between H and L targets show more potential for betweenspeaker discrimination than the targets themselves.
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