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Duration aspects of prosodic focus marking in Brazilian Portuguese

Grant number: 21/07754-7
Support type:Scholarships in Brazil - Scientific Initiation
Effective date (Start): August 01, 2021
Effective date (End): July 31, 2022
Field of knowledge:Linguistics, Literature and Arts - Linguistics - Linguistic Theory and Analysis
Principal researcher:Geovana Carina Neris Soncin Santos
Grantee:Pedro Ivo Ribeiro Pinheiro
Home Institution: Faculdade de Filosofia e Ciências (FFC). Universidade Estadual Paulista (UNESP). Campus de Marília. Marília , SP, Brazil
Associated research grant:20/10144-3 - Prosody production and perception in children with typical and atypical phonological development, AP.JP


In different languages, duration is a relevant phonetic-acoustic parameter for prosodic boundary marking (OLLER, 1973; KLATT, 1976; EDWARDS and BECKMAN, 1988; WIGHTMAN et al, 1992, among others). It is known that duration of segments from word that immediately precedes a prosodic boundary tends to be longer in comparison with segments from words that are not close to the border. This phenomenon is called pre-boundary lengthening in the international literature (GUSSENHOVEN AND RIETVIELD, 1998). For Brazilian Portuguese (BP), the pre-boundary lengthening has been studied by previous works in contexts of intonational phrase boundary in production of neutral sentences (MORAES, 1995; SERRA, 2009; SONCIN, 2018). In the case of sentences with narrow focus, little is known about the duration role since studies favor the description of intonation. These works consider that fundamental frequency is the main acoustic phonetic parameter for prosodic focus marking, as presented in detail inside the main research project (Proc. FAPESP 2020/10144-3). Therefore, this project aims to measure and describe duration of focused elements in comparison with duration of the same elements outside focus contexts in the typical adults speech (one of the subject's groups of the main research project). With that description, we aim to verify if, in this group of subjects, there would be differences in the duration of the elements depending on the contexts analyzed, namely: sentences with narrow and broad focus, in other words, sentences with prosodic focus and neutral sentences. (AU)

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