《吴音奇字》是一部描写明末清初之际北部吴语的地道的方言字书,其知、庄、章、精组声母的分合与今常熟吴音的情况基本一致。其中江摄的知二、庄组字、阳韵的庄组字与大部分知三、章组字合流读成舌叶音,其余的知二、庄组字与精组合流读成舌尖前音。部分音同知三、章、见组的精组细音字折射出颚化的语音特征,为吴音声母颚化的历史研究及近代吴音史的构建提供了重要参考。 The “Wuyinqi” is an authentic dialect book depicting the northern Wu dialects in the late Ming and early Qing dynasties. The division of the consonants of Zhizhuang, Zhuang, Zhang and Jing groups is basically consistent with that of Changshu Wuyin. Among them, Jiang’s knowledge of two, Zhuang group words, Yang Yun’s Zhuang group words and most of the three, chapter group of words combined into tongue and tongue sound, the rest of the two, Chuang group words and fine combination of flow into tongue tip . Part of the same tone three, chapter, see the fine group of fine group of words reflects the phonetic features of the jaw, for the initial sounding of the Wu dialect of history and the history of modern Wuyin provided an important reference.