V2EX semitone

Semitone

释义 Definition

semitone(英式常用;美式常称 half step):半音,西方音乐中最小的常用音程单位之一;在十二平均律中,两个相邻的琴键(如钢琴上相邻的白键与黑键)之间的距离通常是一个半音。(该词也可在特定语境中指“轻微的音高差异”。)

发音 Pronunciation (IPA)

/smiton/

例句 Examples

I moved the melody up by a semitone.
我把旋律升高了一个半音。

In equal temperament, each semitone represents a constant frequency ratio, which allows musicians to transpose a piece into any key without changing its internal intervals.
在十二平均律中,每个半音对应固定的频率比,这使音乐家可以把作品移调到任何调性而不改变内部音程关系。

词源 Etymology

来自拉丁语前缀 **semi-**(“一半”)+ tone(“音、音高”)。字面意思就是“半个音”,用于描述比“全音(whole tone)”更小的音程单位,后在英语音乐理论中固定为术语。

相关词 Related Words

文学与著作中的用例 Literary Works

  • The Oxford Companion to Music(《牛津音乐辞典》):在音乐理论条目中常用 semitone 解释半音与音程体系。
  • Tonal Harmony(Kostka & Payne,《调性和声》):在讲解音阶、和声进行与转调时频繁出现 semitone
  • How Music Works(David Byrne,《音乐是怎样工作的》):在讨论音高、音阶与听觉习惯时会提到 semitone
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