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首页> 外文期刊>Journal of speech, language, and hearing research: JSLHR >Masked English Speech Recognition Performance in Younger and Older Spanish-English Bilingual and English Monolingual Children
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Masked English Speech Recognition Performance in Younger and Older Spanish-English Bilingual and English Monolingual Children

机译：年轻人和旧的西班牙语 - 英语双语和英语单晶体儿童的屏蔽英语语音识别性能

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Purpose: The purpose of this study was to compare masked English speech recognition thresholds between Spanish-English bilingual and English monolingual children and to evaluate effects of age, maternal education, and English receptive language abilities on individual differences in masked speech recognition. Method: Forty-three Spanish-English bilingual children and 42 English monolingual children completed an English sentence recognition task in 2 masker conditions: (a) speech-shaped noise and (b) 2-talker English speech. Two age groups of children, younger (5-6 years) and older (9-10 years), were tested. The predictors of masked speech recognition performance were evaluated using 2 mixed-effects regression models. In the 1st model, fixed effects were age group (younger children vs. older children), language group (bilingual vs. monolingual), and masker type (speech-shaped noise vs. 2-talker speech). In the 2nd model, the fixed effects of receptive English vocabulary scores and maternal education level were also included. Results: Younger children performed more poorly than older children, but no significant difference in masked speech recognition was observed between bilingual and monolingual children for either age group when English proficiency and maternal education were also included in the model. English language abilities fell within age-appropriate norms for both groups, but individual children with larger receptive vocabularies in English tended to show better recognition; this effect was stronger for younger children than for older children. Speech reception thresholds for all children were lower in the speech-shaped noise masker than in the 2-talker speech masker. Conclusions: Regardless of age, similar masked speech recognition was observed for Spanish-English bilingual and English monolingual children tested in this study when receptive English language abilities were accounted for. Receptive English vocabulary scores were associated with better masked speech recognition performance for both bilinguals and monolinguals, with a stronger relationship observed for younger children than older children. Further investigation involving a Spanish-dominant bilingual sample is warranted given the high English language proficiency of children included in this study.
机译：目的：本研究的目的是比较西班牙语双语和英语单晶体儿童之间的屏蔽英语语音识别阈值，并评估年龄，母亲教育和英语接受语言能力对蒙面语音识别的个体差异的影响。方法：四十三个西班牙语 - 英语双语儿童和42名英语单晶体儿童在2个掩蔽条件下完成了英语句子识别任务：（a）语音形噪声和（b）2讲车英语演讲。测试了两个年龄的儿童群体，年轻（5-6岁）和年龄较大（9-10岁）。使用2个混合效应回归模型评估屏蔽语音识别性能的预测器。在第一个模型中，固定效应是年龄组（年龄较小的儿童与年龄较大的儿童），语言组（双语与单语）和掩蔽型（语音形式噪声与2讲车语音）。在第二款模型中，还包括接受英语词汇分数和产妇教育水平的固定效果。结果：年轻儿童比年龄较大的儿童更差，但在模型中的英语水平和产妇教育中，双语和单晶儿童之间没有观察到蒙面语音识别的显着差异。英语语言能力在两组的适当规范中，但英语中具有更大接受词汇的个体儿童往往表现出更好的认可;对于年幼的儿童而言，这种效果更强。所有儿童的语音接收阈值在语音形噪声掩蔽方中较低，而不是2讲车语音掩蔽器。结论：无论年龄大小，如何观察到类似掩盖的语音识别为西班牙语 - 英语双语和英语单晶体儿童，当时接受英语语言能力。随意的英语词汇分数与双语和单语言的更好的蒙上掩盖语音识别性能有关，对于年幼的儿童观察到比年龄较大的孩子的关系更强。鉴于本研究中包含的儿童的高英语语言能力，有必要进一步调查。

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