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清华大学学报(自然科学版)  2016, Vol. 56 Issue (11): 1196-1201    DOI: 10.16511/j.cnki.qhdxxb.2016.26.011
  电子工程 本期目录 | 过刊浏览 | 高级检索 |
焦点重音对普通话音段产出和声学特征的影响
李英浩1, 孔江平2
1. 延边大学 外国语学院, 延吉 133001;
2. 北京大学 中国语言文学系, 北京 100871
Effects of focal accent on segmental articulation and acoustical properties in standard Chinese
LI Yinghao1, KONG Jiangping2
1. College of Foreign Languages, Yanbian University, Yanji 133001, China;
2. Department of Chinese Language and Literature, Peking University, Beijing 100871, China
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摘要 为考察普通话焦点重音对窄焦点域内和域外音段的产出和声学特征的影响,使用动态电子腭位(EPG)获取/t/和/i/的舌腭接触信号,同时采集同步的声门阻抗(EGG)和声学信号。分析结果表明,在窄焦点域内,/t/的舌腭接触面积增大,生理持阻时长增长,持阻段声门状态相对紧张。/i/的舌体上升并前移,元音时长和声强增长或增大,元音频谱发生变化。焦点重音的溢出效应不明显。研究结果表明:焦点重音使得域内所有音段的发音动作均增强,但是域外音段的产出和声学特征一般不受影响。
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关键词 焦点重音音段产出动态电子腭位声门阻抗汉语普通话    
Abstract:The focal accent in standard Chinese affects the articulatory and acoustical properties of the segments inside and outside the narrow focus domain. The linguopalatal contacts of the segments /t/ and /i/ were obtained using electropalatography (EPG), with electroglottographic (EGG) and acoustic signals simultaneously recorded. The results show that the narrow focus domain has larger linguopalatal contact and alveolar seal duration for /t/. The vocal folds during the consonantal closure interval tend to be tense. The tongue gesture of /i/ is raised and fronted. The duration and intensity of the vowels become longer and louder and their spectral properties are modified. The spill-over effect of the focal accent is not clear but the production of the segments inside the narrow focus domain are generally strengthened. The focal accent does not affect the articulation and acoustical properties of segments outside the domain.
Key wordsfocal accent    segment articulation    electropalatography    electroglottography    standard Chinese
收稿日期: 2016-06-29      出版日期: 2016-11-15
ZTFLH:  H017  
通讯作者: 孔江平,教授,E-mail:jpkong@pku.edu.cn     E-mail: jpkong@pku.edu.cn
引用本文:   
李英浩, 孔江平. 焦点重音对普通话音段产出和声学特征的影响[J]. 清华大学学报(自然科学版), 2016, 56(11): 1196-1201.
LI Yinghao, KONG Jiangping. Effects of focal accent on segmental articulation and acoustical properties in standard Chinese. Journal of Tsinghua University(Science and Technology), 2016, 56(11): 1196-1201.
链接本文:  
http://jst.tsinghuajournals.com/CN/10.16511/j.cnki.qhdxxb.2016.26.011  或          http://jst.tsinghuajournals.com/CN/Y2016/V56/I11/1196
  表1 朗读语料
  图1 语音标记和EPG关键帧示意图
  表2 不同音节位置条件下焦点类型对辅音/t/参数影响的结果
  表3 不同音节位置条件下焦点类型对元音参数影响的结果
  表4 不同音节位置条件下焦点类型对元音共振峰影响结果
  图2 双音节不同位置(前字P1和后字P2)以及4种焦点类型条件下,2位发音人/i,a/的F1和F2的均值在F1/F2声学空间的分布 (横轴为F2,纵轴为F1,单位为kHz)
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