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Locating de-lateralization in the pathway of sound changes affecting coda /l/
Laboratory Phonology ( IF 1.761 ) Pub Date : 2020-01-01 , DOI: 10.5334/labphon.236
Patrycja Strycharczuk , Donald Derrick , Jason Shaw

‘Vocalization’ is a label commonly used to describe an ongoing change in progress affecting coda /l/ in multiple accents of English. The label is directly linked to the loss of consonantal constriction observed in this process, but it also implicitly signals a specific type of change affecting manner of articulation from consonant to vowel, which involves loss of tongue lateralization, the defining property of lateral sounds. In this study, we consider two potential diachronic pathways of change: an abrupt loss of lateralization which follows from the loss of apical constriction, versus slower gradual loss of lateralization that tracks the articulatory changes to the dorsal component of /l/. We present articulatory data from seven speakers of New Zealand English, acquired using a combination of midsagittal and lateral EMA, as well as midsagittal ultrasound. Different stages of sound change are reconstructed through synchronic variation between light, dark, and vocalized /l/, induced by systematic manipulation of the segmental and morphosyntactic environment, and complemented by comparison of different individual articulatory strategies. Our data show a systematic reduction in lateralization that is conditioned by increasing degrees of /l/-darkening and /l/-vocalization. This observation supports the idea of a gradual diachronic shift and the following pathway of change: /l/-darkening, driven by the dorsal gesture, precipitates some loss of lateralization, which is followed by loss of the apical gesture. This pathway indicates that loss of lateralization is an integral component in the changes in manner of articulation of /l/ from consonantal to vocalic.

中文翻译:

在影响尾声/l/的声音变化路径中定位去侧化

'Vocalization' 是一个标签,通常用于描述正在进行的变化,影响英语多种口音的尾音 /l/。该标签与在此过程中观察到的辅音收缩的丧失直接相关,但它也隐含地表示影响从辅音到元音的发音方式的特定类型的变化,这涉及舌侧化的丧失,侧音的定义特性。在这项研究中,我们考虑了两种潜在的历时变化途径:由于根尖收缩的丧失而导致侧化的突然丧失,与跟踪 /l/ 背侧部分的关节变化的侧化缓慢逐渐丧失。我们展示了来自七位新西兰英语使用者的发音数据,这些数据是使用中矢状和横向 EMA 的组合获得的,以及中矢状面超声。声音变化的不同阶段是通过光、暗和发声 /l/ 之间的同步变化来重建的,由对节段和形态句法环境的系统操作诱导,并通过比较不同的个体发音策略来补充。我们的数据显示了侧化的系统性减少,其条件是增加 /l/-darking 和 /l/-vocalization 的程度。这一观察结果支持逐渐历时转变的观点和以下变化途径:/l/-由背侧姿势驱动的变暗导致一些侧化丧失,随后是顶端姿势的丧失。该途径表明,侧化的丧失是 /l/ 从辅音到声乐的发音方式变化的一个组成部分。声音变化的不同阶段是通过光、暗和发声 /l/ 之间的同步变化来重建的,由对节段和形态句法环境的系统操作诱导,并通过比较不同的个体发音策略来补充。我们的数据显示了侧化的系统性减少,其条件是增加 /l/-darking 和 /l/-vocalization 的程度。这一观察结果支持逐渐历时转变的观点和以下变化途径:/l/-由背侧姿势驱动的变暗导致一些侧化丧失,随后是顶端姿势的丧失。该途径表明,侧化的丧失是 /l/ 从辅音到声乐的发音方式变化的一个组成部分。声音变化的不同阶段是通过光、暗和发声 /l/ 之间的同步变化来重建的,由对节段和形态句法环境的系统操作诱导,并通过比较不同的个体发音策略来补充。我们的数据显示了侧化的系统性减少,其条件是增加 /l/-darking 和 /l/-vocalization 的程度。这一观察结果支持逐渐历时转变的观点和以下变化途径:/l/-由背侧姿势驱动的变暗导致一些侧化丧失,随后是顶端姿势的丧失。该途径表明,侧化的丧失是 /l/ 从辅音到声乐的发音方式变化的一个组成部分。
更新日期:2020-01-01
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