Cross-linguistic timing contrast in geminates: A rate-independent perspective
HAL (Le Centre pour la Communication Scientifique Directe)(2021)
摘要
In addition to durational differences between singletons and geminates, the phonetic implementation of gemination may have implications for most, if not all of a form’s phonetic shape, including temporal differences in adjacent vowels (Engstrand & Krull 1994, Payne 2005, Ridouane 2007). Variation in speech rate may have dramatic influence on these temporal characteristics. A consequence of this is that a singleton in slow rate may display longer duration than a geminate in fast rate, thus resulting in a non-contrastive overlap (e.g. Pind 1995, Picket et al. 1999, Hirata & Whiton 2005). In this study, we provide evidence that (i) singletons and geminates duration scale almost linearly with speech rate, with geminates being more affected by speech rate; and (ii) that scaling as well as the vowel-consonant-vowel relations differ across languages. While we assume that there is no global speech rate mechanism, however, our results indicate that rate-normalized measures could transcend the languages under investigation.
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关键词
timing,contrast,geminates,cross-linguistic,rate-independent
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