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Sturmian Canons

机译:turmian佳能

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摘要

Sturmian words are balanced, almost periodic, self-similar and hierarchical infinite sequences that have been studied in music theory in connection with diatonic scale theory and related subjects. Carey and Camplitt (1996) give a brief but suggestive rhythmic example in which these properties are made manifest in a particularly visceral manner. The present paper expands upon this example, considering the properties of canons based on Sturmian words, or Sturmian canons. In particular, a Sturmian word of irrational slope a with a hierarchical periodicity of p gives rise to p-tuple canons, the voices and relations of which are determined by the terms of the continued fraction expansion of a.
机译:Sturmian单词是平衡的,几乎是周期性的,自相似的和分层的无穷序列,已在音乐理论中与全音阶理论和相关主题一起进行了研究。 Carey和Camplitt(1996)给出了一个简短但富有启发性的节奏示例,其中以特殊的内在方式体现了这些特性。本文在此示例的基础上进行了扩展,考虑了基于Sturmian单词或Sturmian规范的规范的特性。尤其是,具有不规则斜率a的Sturmian词(具有p的分级周期性)会生成p元组规范,其声音和关系由a的连续分数扩展项决定。

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