Cue-based annotation and analysis of prosodic boundary events
Cue-based annotation and analysis of prosodic boundary events
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基于线索的韵律边界事件标注与分析
DOI：
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发表时间：
2018
期刊：
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通讯作者：
S. Shattuck
中科院分区：
文献类型：
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作者：
A. Brugos;Mara Breen;N. Veilleux;J. Barnes;S. Shattuck
与其他语法类别一样，韵律类别的实现具有很大的可变性，但听众可以轻松地解释语言含义。 ToBI 旨在捕捉话语中具有语言意义的韵律元素，但不捕捉贴标者（和听者）必须解释的声音线索的可变性，以便分配独特的类别。尽管长期以来的实证工作都证明了个体线索在发出韵律事件信号中的重要性，但之前的工作很少探讨这些线索如何在 ToBI 类别中系统地组合、权衡和变化。继最近基于线索的片段注释以及不流利和口吃的语音韵律的提议之后，本文评估了独立 ToBI 标记的流利美式英语语音语料库中六个时间、音调和语音质量线索在指示边界事件中的作用。结果表明，每个提示都解释了中断指数水平的独特差异，并且中断指数水平随着每个标记存在的提示数量而增加。数据进一步表明，对于仅显示线索子集的标记，贴标机不确定性更为常见。未来的工作将研究对显着性线索的注释，以及对边界和分组的附加线索。
Prosodic categories, like other grammatical categories, are realized with wide variability, yet listeners interpret linguistic meaning with apparent ease. ToBI aims to capture the linguistically meaningful prosodic elements of utterances, but does not capture the variability in acoustic cues that the labeller (and listener) must interpret in order to assign distinctive categories. Despite a long history of empirical work demonstrating the importance of individual cues in signalling prosodic events, little previous work has explored how these cues might systematically combine, trade off and vary in magnitude across ToBI categories. Following recent proposals of cue-based annotation of segments, and disfluent and stuttered speech prosody, the current paper assesses the role of six timing, pitch, and voice quality cues in signalling boundary events in a corpus of independently ToBI-labelled fluent American English speech. Results demonstrate that each cue accounts for unique variance in break index level, and that break index levels increase with the number of cues present per token. The data further suggest that labeller uncertainty is more frequent for tokens that exhibit only a subset of the cues. Future work will investigate annotation of cues to prominence, as well as additional cues to boundaries and grouping.