焦点、词重音与边界调对语调短语末词基频模式的影响

发布时间：2018-08-15 11:48

【摘要】：研究了语调短语边界处焦点、词重音位置与上升的边界调对语调短语末词基频模式的影响。通过分析两个美式英语语料库语调短语末词的声学特征,我们发现当该单词是焦点时,重音的基频峰值比边界调的尾值高;边界调在重音实现后才充分体现出来;词重音在音节结构中后移会压缩词重音后基频调域范围。当语调短语末词不是焦点时,边界调的上升趋势从开始就体现出来,并压制了词重音的基频凸显。我们的结论是,焦点可以通过提升词重音基频峰值的高度完成;焦点和边界调实现的力度受词重音所处位置限制,在极端的情况下,边界调只能在语调短语最末音节的尾部实施。在有限音段上这些韵律特征都有表达其功能最彻底的一段位置,它们竞相展现,此消彼长。
[Abstract]:This paper studies the effects of the focus at the boundary of intonation phrases, the position of word stress and the rising boundary tone on the fundamental frequency pattern of intonation phrases. By analyzing the acoustic characteristics of the final words of intonation phrases in two American English corpora, we find that when the word is the focus, the base frequency peak of the stress is higher than the tail value of the boundary tone, and the boundary tone is fully reflected after the stress is realized. The backward shift of word stress in syllable structure compresses the range of the fundamental frequency of word stress. When the final word of intonation phrase is not the focus, the rising trend of boundary tone appears from the beginning, and suppresses the base frequency prominence of word stress. Our conclusion is that the focus can be achieved by raising the height of the base frequency peak of the word stress, and the intensity of the focus and boundary modulation is limited by the location of the word stress, in extreme cases, Boundary tuning can only be implemented at the end of the last syllable of intonation phrases. These prosodic features on the finite segment have the most complete function of the position, they show each other, rise and fall.
【作者单位】：浙江大学外国语言文化与国际交流学院;科大讯飞研究院;
【分类号】：H116

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