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Jornal da Sociedade Brasileira de Fonoaudiologia

versão On-line ISSN 2179-6491

Resumo

JESUS, Marisa de Sousa Viana  e  REIS, Cesar. Phonetic description of alveolar phones using electropalatography. J. Soc. Bras. Fonoaudiol. [online]. 2012, vol.24, n.3, pp.255-261. ISSN 2179-6491.  http://dx.doi.org/10.1590/S2179-64912012000300011.

PURPOSE: To describe the articulation of the Brazilian Portuguese, by examining the tongue-palate contact in the production of consonantal phones. METHODS: The electropalatography (EPG) of the alveolar consonants of the Brazilian Portuguese produced by an individual with typical speech was used, considering the alveolar, post-alveolar, palatal, and velar rates, as well as the percentage of activated contacts at the point of maximum constriction, and the visual inspection of palatograms. RESULTS: As expected, it was observed that all the examined phones have more contact in the alveolar region at the point of maximum constriction. The phones /t/, /d/ and /n/ showed more alveolar contact, with total obstruction of the air stream; the fricative phones /s/ and /z/ were characterized by the absence of contact at the central longitudinal axis; the lateral phone /l/ did not present contact at the lateral longitudinal axis, and the tap /ɾ/ showed not only few tongue-palate contacts but it was also produced in the shortest duration time. CONCLUSION: The electopalatography allowed a detailed description of the extension of the tongue-palate contact in the different alveolar phones of the Brazilian Portuguese and how they occur.

Palavras-chave : Phonetics; Speech; Tongue; Palate; Evaluation.

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