Effects of Language, Speaking Style and Age on Prosodic Rhythm
نویسندگان
چکیده
The present study uses the envelope modulation spectrum (EMS) measure to assess the effect of language, speaking style, and age on rhythm. Three experiments using a weighted mean of the EMS called the spectral centroid were conducted. The first examined rhythm in English and Croatian across conversational and clear speaking styles. The second experiment compared rhythmic characteristics of monolingual English and Croatian speakers to Croatian-English bilingual speakers. Finally, we compared the rhythmic characteristics of clear and conversational speech utterances produced by young and elderly adult native speakers of English. Nested factorial analyses revealed that spectro-temporal characteristics of rhythm were affected by language, speaking style, and age. Talker emerged as a significant factor as well. These results suggest that low-rate amplitude modulations can be used to characterize rhythmic distinctions due to the factors examined here. Moreover, these spectral measures are capable of bypassing phonologically dependent duration measurements that are laborious and time consuming to extract.
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