半音、全音的分类及其调式学原理

The Classification of Halftone and Full Tone as well as the Principle of the Tone Mode

当前不同版本的乐理教程中,关于半音、全音分类的原则不够统一,特别是关于变化半音、变化全音的定义往往各执己见,莫衷一是,有的乐理教程还提出了“全音不分自然和变化,半音在十二平均律中也不分自然和变化”的观点。对此结合律学理论,从调式学角度分析变化半音、变化全音均与调式变音有密切关系,半音、全音分为“自然和变化”与“自然音程、变化音程”有直接联系。

In the different editions of the current music theory teaching books, the principles of halftone and full tone are not unified, in particular the definition of halftone and full tone. There is the opinion that full tone are not classified into natural tone and changed tone, and half tone is the same in the twelve average rates. To analyze them from the point view of tone mode combined with the rule theory, we find that both the changed halftone and the changed full tone are related closely to the tone mode changed tones. And it also related directly to the classification of the halftone and full tone into “natural and changed tone” and “natural music duration and changed music duration”.