V2EX pitch-class

Pitch-Class

释义 Definition

pitch-class(音高类/音级类):音乐理论术语,指把相差任意个八度、但音名相同的音视为同一类(例如所有的 C:C2、C3、C4…都属于同一个 pitch-class)。在十二平均律语境中,常用 011 来编号十二个音高类。

发音 Pronunciation (IPA)

/pt kls/

例句 Examples

A pitch-class groups notes like C3 and C4 together.
音高类会把像 C3 和 C4 这样的音归为同一类。

In post-tonal analysis, we often represent a chord as a set of pitch-classes to compare its structure across transpositions and octaves.
在后调性分析中,我们常把和弦表示为一组音高类,以便在移调与不同八度之间比较其结构。

词源 Etymology

pitch(音高)+ class(类别)构成。该术语在20世纪音乐理论、尤其是集合理论(set theory)与后调性分析中得到系统化使用,用来强调“跨八度同名音”的归类方式,便于抽象分析与比较。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Allen Forte,《The Structure of Atonal Music》以 pitch-class 集合为核心工具来分析无调性音乐结构。
  • Joseph N. Straus,《Introduction to Post-Tonal Theory》系统讲解 pitch-class、集合与变换在后调性分析中的应用。
  • John Rahn,《Basic Atonal Theory》使用 pitch-class 与集合概念建立分析框架。
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