Stress placement and unstressed vowel production in English neutral suffixes by Brazilian learners

IF 0.1 0 LITERATURE
R. Bueno, Rosane Silveira, Alison Roberto Gonçalves, Hanna Kivistö-de Souza
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引用次数: 0

Abstract

This paper examined the production of unstressed vowels by Brazilian Portuguese (BP) learners of English. More specifically, the aim was to examine the acoustic characteristics of the interlanguage unstressed vowels and to determine whether the language learners’ stress assignment in cognate words was target-like or not. The participants were 20 L1 BP learners of English and two native English speakers who provided the baseline data. Participants read lists of sentences including polysyllabic cognate words with the neutral suffixes “-able” and “-al” (e.g. ‘respectable’, ‘radical’). Participants’ productions were acoustically and auditorily analysed and the F1, F2 and duration values measured. The results showed that the L1 BP participants produced a reduced vowel /ə/ with similar acoustic characteristics to the L1 English speakers, differentiating it from /ʌ/ in terms of vowel quality and duration. Despite being able to distinguish between the unstressed and the stressed central vowels, the correct assignment of stress in polysyllabic cognates was challenging for the L1 BP informants. A possible explanation for the non-target-like stress assignment is negative transfer from the L1, in which one of the target suffixes, “-al” (e.g. ‘tropical’), attracts stress, contrary to the L2. --------------------------------------------------------------------------------- A ACENTUACAO TONICA E A PRODUCAO DA VOGAL ATONA EM SUFIXOS NEUTROS DO INGLES POR APRENDIZES BRASILEIROS O presente estudo investigou a producao de vogais atonas por aprendizes brasileiros de ingles. O objetivo principal foi examinar as caracteristicas dessas vogais entre as duas linguas em contato e determinar se os aprendizes atribuiam acento tonico adequadamente. Os participantes foram 20 alunos brasileiros de ingles e dois falantes nativos que forneceram dados de base. Os participantes leram listas de frases incluindo palavras polissilabicas cognatas com os sufixos neutros “-able” e “-al” (por exemplo, “respectable”, “radical”). As producoes dos participantes foram analisadas acustica e auditivamente e os valores de F1, F2 e duracao das vogais atonas foram medidos. Os resultados mostraram que os participantes brasileiros produziram a vogal /ə/ com caracteristicas acusticas similares aos falantes nativos de ingles, diferenciando-a de /ʌ/ em termos de qualidade e duracao da vogal. Apesar de serem capazes de distinguir as vogais centrais atona e tonica, a atribuicao correta do acento tonico em cognatos polissilabicos foi desafiadora para os informantes brasileiros. Uma possivel explicacao para a atribuicao inconsistente do acento tonico e a influencia do portugues brasileiro, em que um dos sufixos alvo, “-al” (por exemplo, “tropical”), atrai a tonicidade, ao contrario do que tipicamente ocorre no ingles. --- Artigo em ingles. --- DOI: http://dx.doi.org/10.12957/matraga.2017.28601
巴西学习者在英语中性后缀中的重音位置和非重读元音的产生
本文研究了巴西葡萄牙语(BP)英语学习者非重音元音的产生。更具体地说,目的是检验中介语非重音元音的声学特征,并确定语言学习者在同源词中的重音分配是否像目标。参与者是20名一级英语学习者和两名以英语为母语的人,他们提供了基线数据。参与者阅读句子列表,包括带有中性后缀“-able”和“-al”(例如“体面的”、“激进的”)的多音节同源词。对参与者的作品进行声学和听觉分析,并测量F1、F2和持续时间值。结果表明,母语为L1的参与者产生了一个与母语为L1英语的人具有相似声学特征的缩减元音/Ş/,在元音质量和持续时间方面将其与/⏴/区分开来。尽管能够区分非重音和重音的中心元音,但对L1 BP信息者来说,在多音节同源词中正确分配重音是一项挑战。非目标类应力分配的一种可能解释是L1的负迁移,其中一个目标后缀“-al”(例如“热带”)吸引应力,与L2相反。本研究调查了巴西学习者无调元音的产生情况。主要目的是研究接触中的两种语言之间这些元音的特征,并确定学习者是否充分归因于主音重音。参与者是20名巴西英语学生和两名母语为英语的人,他们提供了背景数据。参与者阅读短语列表,包括带有中性后缀“-able”和“-al”(例如“体面”、“激进”)的同源多音节单词。对参与者的发音进行了声学和听觉分析,并测量了F1、F2的值和无音元音的持续时间。结果表明,巴西参与者产生的元音/Ş/具有与母语为英语的人相似的声学特征,在元音质量和持续时间方面将其与/⏴/区分开来。尽管他们能够区分中心元音音调和主音,但在多音节同源词中正确分配主音重音对巴西线人来说是一个挑战。主音重音归属不一致的一个可能解释是巴西葡萄牙语的影响,其中一个目标后缀“-al”(例如“热带”)吸引了主音性,这与英语中通常出现的情况相反。英文文章---DOI:http://dx.doi.org/10.12957/matraga.2017.28601
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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