Phonetic Detail and the Role of Exposure in Dialect Imitation
Résumé
Speakers are able to adjust their prosodic patterns to approximate those of a different dialect, at least when the dialects involved are phonologically similar [6, 7]. Our study explores imitation across two dialects of English (Singaporean and American) whose prosodic systems are phonologically very distinct. Singaporean speakers were recorded both in their native dialect and while attempting to imitate sentences produced by an American English speaker. Our results show that in spite of the structural differences, speakers of Singapore English are able to rapidly adapt and shift from an edge-based system to an accentual system within the time of the experiment, as well as to finely tune the phonetic detail of their intonation patterns in a way that closely tracked that of the American English model speaker. We further show that the degree of variability in successfully reproducing the target values is dependent on amount of exposure to the non-native dialect.
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