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The coarticulation-duration relationship in early Quechua speech
Journal of Phonetics ( IF 2.440 ) Pub Date : 2021-05-29 , DOI: 10.1016/j.wocn.2021.101052
Margaret Cychosz 1
Affiliation  

Evidence from acoustic and articulatory phonetics suggests that children coarticulate more than adults, but previous work has focused on the instantiation of coarticulation with phonology in a typologically homogeneous sample. The interplay of coarticulation with children’s speaking rate has also been ignored. How do coarticulation and speaking rate (duration) interact over the course of development, and does the interaction manifest differently across distinct morphological environments? To answer this, the current study measured the speech patterns of bilingual Quechua-Spanish children (5–10 years) and adults. Coarticulation and duration were measured in two word environments, within morphemes and across morpheme boundaries. Unsurprisingly, adults consistently coarticulated more in shorter duration sequences, in both morphological environments. The children’s coarticulation-duration patterns, however, varied by morphological environment. Additionally, the children’s speech patterns, but not the adults’, were sensitive to prosodic length: children produced increasingly shorter phones in words with more syllables. It is suggested that the differences between adults and children are attributable to adults’ faster speaking rate and increased dominance in Quechua.



中文翻译:

早期克丘亚语语音中的连读-时长关系

来自声学和发音语音学的证据表明,儿童的发音比成人多,但以前的工作重点是在类型学同质的样本中将发音与音系实例化。连音与儿童语速的相互作用也被忽略了。Coarticulation 和语速(持续时间)如何在发展过程中相互作用,这种相互作用在不同的形态环境中是否有不同的表现?为了回答这个问题,目前的研究测量了双语盖丘亚语-西班牙语儿童(5-10 岁)和成人的语音模式。Coarticulation 和持续时间是在两个词环境中测量的,在词素内和跨词素边界。不出所料,在两种形态环境中,成年人在较短的持续时间序列中一致地表达更多。然而,儿童的发音持续时间模式因形态环境而异。此外,儿童的语音模式,而不是成人的,对韵律长度敏感:儿童在音节更多的单词中产生越来越短的音素。有人认为,成人和儿童之间的差异可归因于成人更快的语速和克丘亚语的主导地位增加。

更新日期:2021-05-30
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