The role of syllable structure in external sandhi: An EPG study of vocalisation and retraction in word-final English /l/

The role of syllable structure in external sandhi: An EPG study of vocalisation and retraction in word-final English /l/
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音节结构在外部连读中的作用:词尾英语中发声和缩回的 EPG 研究 /l/

DOI:
10.1016/j.wocn.2009.10.005
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发表时间:
2010
影响因子:
1.9
通讯作者:
Scobbie J
Scobbie J
中科院分区:
人文科学1区
文献类型:
--
作者:
Scobbie J

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一个前元音连接的语音环境被认为能够使词尾辅音重新音节化为一个开始,从而调节交替。我们目前的EPG数据上的英语单词的最后/l/,测量肺泡接触的程度和发声率,背回缩的程度(代表“黑暗”),和肺泡接触的时间相对于背回缩。英国英语有两种方言,即苏格兰标准英语和南方标准英语。结果是,/l/交替是系统的:舌尖接触的词尾/l/,相当明确的一些扬声器,更像是在前元音和更像在前辅音背景下的尾声。然而,这种交替并不沿着音段重构化解释所预测的路线。首先,对某些说话者来说,后面辅音(/B/或/h/)的音段特性可能是制约是否存在肺泡接触的一个强有力的因素。第二,声门化的词汇元音开头的话经常发生,但似乎没有条件的外观(或以其他方式)的舌尖接触。第三,舌背保持缩回,即使在/l/是前元音时也不采用类似于起始的形式或时间。因此,基于语音定位可接受性的词尾/l/段的类别化被拒绝作为控制英语连读变调的机制。相反,我们提出了一个手势情节模型,其中个别手势显示不同程度的词汇音节角色的连贯性,而在连接的语音,段序列的影响相似性排练好的词汇序列,如果它们存在。
A pre-vocalic connected speech context is said to enable the resyllabification of word-final consonants into an onset, thus conditioning alternations. We present EPG data on English word-final /l/, measuring the extent of alveolar contact and the rate of vocalisation, the extent of dorsal retraction (representing “darkness”), and the timing of alveolar contact relative to dorsal retraction. Two dialects of British English are considered, namely Scottish Standard English and Southern Standard British English. Results are that /l/ alternation is systematic: the tongue tip contact of word-final /l/, quite categorically for some speakers, is more onset-like in pre-vocalic and more coda-like in pre-consonantal contexts. This alternation is not along the lines predicted by a segmental resyllabification account, however. First, the segmental identity of the following consonant (/b/ or /h/) may be as powerful a factor in conditioning the presence or absence of alveolar contact for some speakers. Second, glottalisation of lexically vowel-initial words regularly occurs, but does not seem to condition the appearance (or otherwise) of tongue tip contact. Third, the tongue dorsum remains retracted and does not adopt an onset-like form or timing even when /l/ is pre-vocalic. Thus categorical resyllabification of a word-final /l/ segment based on phonotactic acceptability is rejected as a mechanism controlling English L-sandhi in connected speech. Instead, we propose a gestural-episodic model, in which individual gestures display different levels of coherence in lexical syllable roles, while in connected speech, segmental sequences are influenced by similarity to well-rehearsed lexical sequences, if they exist.
DOI: --
发表时间: 1996
影响因子: 1.8
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发表时间: 2002
期刊:
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发表时间: 2006
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发表时间: 2000
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发表时间: 2008
期刊:
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通讯作者: Sadanand Singh