Analysis and modeling of the intonation of Chinese unmarked questions
XU Xiaoying1,2, LAI Wei1,2, LI Ya2, DING Xingguang2, TAO Jianhua2
1. Putonghua Shuiping Ceshi Research Center, School of Chinese Language and Literature, Beijing Normal University, Beijing 100875, China;
2. National Laboratory of Pattern Recognition, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China
Abstract：The identification of questions in speech needs a good understanding and accurate quantification of the intonation trends of questions. This paper uses a regression line of the pitch contour as an indicator of the intonation trend to analyze the intonation of experimental and natural questions. The slope of pitch contour regression line is an important prosodic feature for distinguishing questions from statements. This feature is influenced by factors such as sentence length and temporal domain of the sentence and differs for questions and statements. The inverse was then used to model changes of the intonation trend slope with a high goodness of fit as a reliable reference to predict and generate interrogative intonation.
许小颖, 赖玮, 李雅, 丁星光, 陶建华. 汉语无标记疑问句的语调分析与建模[J]. 清华大学学报（自然科学版）, 2018, 58(2): 175-180.
XU Xiaoying, LAI Wei, LI Ya, DING Xingguang, TAO Jianhua. Analysis and modeling of the intonation of Chinese unmarked questions. Journal of Tsinghua University(Science and Technology), 2018, 58(2): 175-180.
表 １ 语 调 走 势 归 一 化 前 后 疑 问 句 与 陈 述 句音 高 曲 线 的 P e a r s o n相 关 系 数
图１ ４个声调的句子的疑问句与陈述句的音高曲线及语调走势归一化
图２ 疑问句与陈述句语调回归线斜率及句长影响
图３ 句长对疑问句、 陈述句首和句末音节音高的影响
图４ 不音节个数的疑问句与陈述句的音高线
图５ 疑问句与陈述句句内不同时域范围内的语调斜率
图６ 疑问句与陈述句句内不同位置的语调回归线斜率变化
表２ 三种模型的R ２、 常数与系数
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2018, Vol. 58 
