在中国传统音乐理论中,常称五声音阶各音为正声、正音,五声以外的音称为偏音,因为偏音的不同,而形成三种不同的七声音阶。黄翔鹏先生在他的文章《中国传统乐学基本理论的若干简要提示》《弦管题外谈》《宫调浅说》《七律定均五声定宫》《民间器乐曲实例分析与宫调定性》和《二人台音乐中埋藏 In Chinese traditional music theory, the sound of each of the five scales is often referred to as the positive sound, and the sounds other than the orthophonic and pentasonic sounds are referred to as the partial sound. Because of the different partial tones, three different seven-sound-scale scales are formed. Mr. Huang Xiangpeng in his article, “a few brief tips on the basic theory of traditional Chinese music,” “string pipe problems”, “Palace Tune Shallow”, “Seven Laws and Five Meanings Palace”, “Folk Music Case Analysis and the Palace of Qualitative” and " Two Taiwan music buried