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RESUMO Nosso objetivo e descrever a duracao do ruido fricativo em funcao da sonoridade, da posicao que a fricativa ocupa dentro da palavra (onset ou coda, no inicio, no meio ou no final), do contexto vocalico que lhe e adjacente (proximas de /a/, /i/ e /u/) e do seu ponto de articulacao (labiodentais, alveolares e palatoalveolares). Nossos resultados evidenciam que as fricativas surdas apresentam, categoricamente, a duracao relativa maior que sua contraparte sonora. Alem disso, indicam que a duracao segmental tambem e um parametro robusto para diferenciar as fricativas em relacao a posicao silabica, ao ponto de articulacao e a qualidade vocalica adjacente. PALAVRAS-CHAVE Duracao segmental. Fricativas. Portugues Brasileiro. ABSTRACT Our goal is to describe the duration of the fricative noise as a function of voicing, the position the fricative occupies in the word (onset or coda, in the beginning, middle or end), of the adjacent vowel context (near / a /, / i / and / u /) and its point of articulation (labiodentals, alveolars and postalveolares). Our results show that the voiceless fricatives have, categorically, the relative duration greater than its counterpart voiced. Furthermore, our results indicate that the segmental duration is also a robust parameter for differentiating the fricatives with respect to syllable position, the point of articulation and adjacent vowel quality. KEYWORDS Segmental duration. Fricatives. Brazilian Portuguese

estudos da língua(gem)

Características da duração do ruído das fricativas de uma amostra do Português Brasileiro (Characteristics of the duration of the fricative noise of a sample of Brazilian Portuguese)