Análise acústica de vogais médias-baixas em palavras simples e complexas

Abstract

In this study, we propose an acoustic investigation of the low-mid vowels [ɛ] and [ɔ], considered as markers of stressed position in some BP dialects. The fact that these vowels do not neutralize and, therefore, do not undergo elevation in the initial position of complex words formed by compositional suffixes (Schwindt, 2013; Author, 2021) – namely, ‑(z)inho, ‑(z)íssimo and ‑mente (e.g. b[ɛ]linha, b[ɛ]lazinha, b[ɛ]líssima, b[ɛ]lamente) – leads us to compare its position in the vowel trapezium with that of low-mid vowels in undeniably stressed positions (e.g. b[ɛ]la ). We analyzed F1 and F2 ​​of initial vowels of complex words with the suffixes mentioned above from reading tasks of 8 speakers from the Southern region of Brazil. The results reveal subgroup trends: vowels in complex formations with -zinho and -mente present similar behavior and close to the base vowel, while formations with -inho have initial vowels that are more different from the base vowel.