Acoustic differentiation of allophones of /aɪ/ in Chicagoland English: Statistical comparison of formant trajectories

IF 0.8 3区 文学 0 LANGUAGE & LINGUISTICS
J. Hualde, Marissa S. Barlaz, T. Luchkina
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引用次数: 4

Abstract

Diphthongs have a dynamic formant structure. Nevertheless, many quantitative studies of diphthongs are based on measurements at only two points, somewhere in the nucleus and somewhere in the glide. The question arises as to whether analyses based on values at only two points provide an adequate understanding of the dynamics of diphthongs. Wieling (2018) mentions the analysis of /aɪ/ raising in Chicago English in Hualde, Luchkina & Eager (2017) as one of several examples of recent studies where potentially interesting patterns may have been missed because of limited sampling of formant values, and proposes using Generalized Additive Mixed Models (GAMM) to allow a more complete understanding of diphthong dynamics. In this paper, we examine the acoustic nature of the (quasi-)phonemic differentiation between two originally allophonic variants of the diphthong /aɪ/ in the US English of Chicago and the surrounding area. We offer an acoustic analysis based on full formant trajectories of diphthongs with data obtained from a group of 53 speakers. The results of a GAMM analysis are then compared with those obtained in Hualde et al. (2017), which considered values at only two points and from a smaller set of speakers (17). We also discuss the main advantages of GAMM analysis over other techniques that have being proposed for the analysis of differences in vowel formant dynamics.
芝加哥英语/a /音素的声学分化:形成峰轨迹的统计比较
双光子具有动态共振峰结构。然而,许多双元音的定量研究都是基于仅在两个点上的测量,即在细胞核中的某个点和在滑翔体中的某一点。问题是,基于仅两点的值的分析是否能充分理解双元音的动力学。Wieling(2018)在Hualde,Luchkina&Eagle(2017)中提到了对芝加哥英语中/a/提升的分析,作为最近研究的几个例子之一,在这些研究中,由于共振峰值的采样有限,可能错过了潜在的有趣模式,并建议使用广义加性混合模型(GAMM)来更完整地理解双元音动力学。在本文中,我们研究了芝加哥及其周边地区的美国英语中双元音/a的两个原始异音变体之间的(准)音位区分的声学性质。我们提供了一种基于双元音全共振峰轨迹的声学分析,该分析使用了从53个扬声器中获得的数据。然后将GAMM分析的结果与Hualde等人获得的结果进行比较。(2017),后者只考虑了两个点的值,并且来自一组较小的扬声器(17)。我们还讨论了GAMM分析相对于其他技术的主要优势,这些技术已被提出用于分析元音共振峰动力学的差异。
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来源期刊
CiteScore
2.10
自引率
12.50%
发文量
20
期刊介绍: The Journal of the International Phonetic Association (JIPA) is a forum for work in the fields of phonetic theory and description. As well as including papers on laboratory phonetics/phonology and related topics, the journal encourages submissions on practical applications of phonetics to areas such as phonetics teaching and speech therapy, as well as the analysis of speech phenomena in relation to computer speech processing. It is especially concerned with the theory behind the International Phonetic Alphabet and discussions of the use of symbols for illustrating the phonetic structures of a wide variety of languages. JIPA now publishes online audio files to supplement written articles Published for the International Phonetic Association
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