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本文对较大样本普通话四个通音声母的鼻化度进行了实验测算,结果发现,普通话中鼻通音与非鼻通音的鼻化度差值较大,各有自己的分布范围,且与齐、撮呼韵母相拼时的鼻化度大于与开、合呼韵母相拼时的鼻化度。通过进一步考察通音声母的主体分布和极限分布,发现/m、n/和/l、r/鼻化度分布范围有交叉,/l/、/r/的鼻化度有较大动态范围,容易进入鼻化音的范围,接近鼻音的特性。这种现象为解释汉语方言中鼻音、边音和/r/通音的分混提供了依据。通过与小样本研究进行对比,证明了较大样本分析的优越性和鼻化度语音分类模式的有效性。
In this paper, we measured the nasalization degree of the four initials of mandarin, and found that there is a large difference in the nasalization between nasal and non-nasal sounds in Mandarin, and each has its own distribution range Nasopharyngeal degree when compared with Qi and ouzhou vowels is greater than that with open and co-vowels. Through further investigation of the principal distribution and the ultimate distribution of the initials, it is found that there is a cross-over range of / m, n / and / l, r / Easy to enter the scope of nasal sounds, close to the characteristics of nasal sounds. This phenomenon provides a basis for the interpretation of the nasal, side and / r / tongues in Chinese dialects. By comparing with the small sample study, the superiority of larger sample analysis and the validity of the nasalization speech classification model are proved.