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Communication Dans Un Congrès Année : 2023

Macro-and Micro-prosodic Changes in the Duration of Brazilian Portuguese Vowels

Résumé

This accounts for the effect of intrinsic segmental characteristics on the duration of Brazilian Portuguese oral vowels, compared to durational changes that can be attributed to macro-prosodic features, such as stress location, sentence modality, and syntactic structure. A multispeakers corpus containing logatomes with systematic variations of vowel quality (seven vowels) embedded in sentences with controlled characteristics was recorded. A semi-automatic procedure allowed to segment and measure the duration of 3036 vowels; their duration was fitted to a series of factors, representing the controlled micro-and macro-prosodic characteristics. This modeling process showed the importance of micro-prosodic changes mainly in the case of stressed vowels (explained by jaw aperture and tongue posteriorization), which decreases with the vocalic reduction on prestress and post-stress positions, depending on macro-prosodic factors. The main macro-prosodic effects are linked to stress, the syllable position, final lengthening, and modality.

Domaines

Linguistique
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Dates et versions

hal-04357499 , version 1 (21-12-2023)

Identifiants

  • HAL Id : hal-04357499 , version 1

Citer

João Antônio De Moraes, Albert Rilliard. Macro-and Micro-prosodic Changes in the Duration of Brazilian Portuguese Vowels. International Congress of Phonetic Sciences, Radek Skarnitzl; Jan Volín, Aug 2023, Prague (Czech Republic), Czech Republic. pp.1464-1468. ⟨hal-04357499⟩
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