儿童语音协同发音的谱和时测量。
Spectral and temporal measures of coarticulation in child speech.
机构信息
Department of Linguistics, University of California, Berkeley, Berkeley, California 94720,
Department of Hearing and Speech Sciences, University of Maryland-College Park, College Park, Maryland 20724,
出版信息
J Acoust Soc Am. 2019 Dec;146(6):EL516. doi: 10.1121/1.5139201.
Abstract
Speech produced by children is characterized by a high fundamental frequency which complicates measurement of vocal tract resonances, and hence coarticulation. Here two whole-spectrum measures of coarticulation are validated, one temporal and one spectral, that are less sensitive to these challenges. Using these measures, consonant-vowel coarticulation is calculated in the speech of a large sample of 4-year-old children. The measurements replicate known lingual coarticulatory findings from the literature, demonstrating the utility of these acoustic measures of coarticulation in speakers of all ages.
摘要
儿童发出的语音具有较高的基频，这使得测量声道共鸣，也就是协同发音变得复杂。在这里，我们验证了两种整体频谱协同发音度量方法，一种是时间度量，另一种是频谱度量，它们对这些挑战的敏感度较低。使用这些度量方法，我们计算了一大组 4 岁儿童语音中的辅音-元音协同发音。这些测量结果再现了文献中已知的舌协同发音发现，证明了这些协同发音声学度量方法在所有年龄段说话者中的实用性。
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