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本文主要采用频谱分析、基频分析、音节时长分析和共振峰分析等方法,探讨桂南横县陶圩平话入声内部分化的声学机制。研究结果显示,入声分化机制是由不同的喉头机制和时长因素共同作用的结果。上类入声时长均短于下类入声时长,阴入又短于阳入;从喉头机制看,上下类入声属于不同的发声类型:上类入声属于能使声调升高的紧喉音,下类入声为正常嗓音。
In this paper, we mainly use the methods of spectrum analysis, fundamental frequency analysis, syllable duration analysis and formant analysis to explore the acoustic mechanism of the internal differentiation of Pinghua dialect of Tao Wei in Hengxian County, southern Guangxi. The results show that the mechanism of infiltration of speech is a result of different laryngeal mechanisms and long-term factors. The duration of the incoming voice is shorter than that of the incoming voice, while the length of incoming voice is shorter than the incoming voice. From the perspective of the larynx, the incoming and outgoing voice belongs to different types of voice: Tone, the next class into the normal voice voice.