...The idea of dividing the octave equally seems to have been practiced by lutenists in the 15th century. However, it was 16th-century music theorists Giovanni Maria Lanfranco (?-1545) and Francisco de Salinas (1513-90) who first formulated it theoretically. Later, the theory of 12-tone equal temperament was presented by Vincenzio Galilei (c. 1520-91), who took the semitones to be 17:18, and Mersenne and others, who used geometric calculation methods. ... *Some of the terminology references "Lanfranco, GM" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… オクターブを均等に分割するという考え方は,すでに実践の面においては15世紀のリュート奏者などの間で行われていたとみられる。しかし,これを理論的に最初に定式化したのはランフランコGiovanni Maria Lanfranco(?‐1545)やサリーナスFrancisco de Salinas(1513‐90)らの16世紀の音楽理論家である。その後,半音を17 : 18にとるガリレイVincenzio Galilei(1520ころ‐91)や,幾何学的算定法を用いたメルセンヌらにおいて12平均律の理論が提示された。… ※「Lanfranco,G.M.」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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