语音基频综合与补偿调节的实验研究

EXPERIMENTAL STUDY OF THE COMPREHENSIVE AND C0MPENSATIVE REGULATION OF FUNDAMENTAL FREQUENCY IN SPEECH

采用活体犬喉模型与人体实验方法,研究了喉上神经、喉返神经、上声道负载和贯声门压对语音基频的调节方式和规律;探讨了音调模式动态变化特性。结果表明,各语音声区、目标基频及基频动态模式由喉上与喉返神经、贯声门压和声道负载等因素分别以不同的程度综合调节所决定;当一种或几种调节因素因病变失效时,在一定基频范围内,可由其它因素补偿调节,取得语言所需的目标基频及其动态变化模式。研究结果对发声生理、嗓音康复训练与康复装置研究具有应用价值。

The pattern changes in fundamental frequency(F_O)of speech with superior and recurrent laryn- geal nerve(SLIN and RLN)stimulation voltages,transglottal pressure and vocal tract load are studied by using an in vivo canine laryngeal model and human phonation experiment methods.The dynamic intonation properties are also approached.The results show that all phonation registers,target funda- mental frequencies and dynamic Fo patterns are determined by the comprehensive regulation of trans- glottal pressure, vocal ract load,SLN and RLN in varying degrees.On condition that one or several regulation factors lose effectiveness target Fo and its dynamic pattern in certain limits, which are necessary for language, can be obtained with the compensative regulation of other remaining fac- tors.The results in this paper are applicable for vocal physiology, voice rehabilitation training and re- search on rehabilitation devices. 0