EDO: Difference between revisions
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An '''equal division of the octave''' ('''EDO''' | An '''equal division of the octave''' ('''EDO''', ''EE-dee-oh''; '''edo''', ''EE-doh'') is a [[Tuning system|tuning]] obtained by dividing the [[octave]] in a certain number of [[Equal-step tuning|equal steps]]. This means that the [[interval]] between any two consecutive pitches is identical. | ||
A tuning with ''n'' equal divisions of the octave is usually called "''n''-edo" ("''n''-EDO"). For instance, the predominant tuning system in the world today is [[12edo]] (12-EDO). | A tuning with ''n'' equal divisions of the octave is usually called "''n''-edo" ("''n''-EDO"). For instance, the predominant tuning system in the world today is [[12edo]] (12-EDO). | ||
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Tuning theorists first used the term "equal temperament" for edos designed to approximate [[Low-complexity JI|low-complexity just intervals]]. The same term is still used today for all rank-1 [[Regular temperament|temperaments]]. For example, [[15edo]] can be referred to as 15-tone equal temperament (15-TET, 15-tET, 15tet, etc.), or more simply 15 equal temperament (15-ET, 15et, etc.). | Tuning theorists first used the term "equal temperament" for edos designed to approximate [[Low-complexity JI|low-complexity just intervals]]. The same term is still used today for all rank-1 [[Regular temperament|temperaments]]. For example, [[15edo]] can be referred to as 15-tone equal temperament (15-TET, 15-tET, 15tet, etc.), or more simply 15 equal temperament (15-ET, 15et, etc.). | ||
The acronym "EDO" | The acronym "EDO" was coined by [[Daniel Anthony Stearns]] in 1999, originally standing for "equidistant divisions of the octave"<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_65#65 Yahoo! Tuning Group | ''Where F + f = O'']</ref><ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_117#117 Yahoo! Tuning Group | ''f + F and WFS/MOS'']</ref>. More recently, the {{w|anacronym}} "edo", spelled in lowercase and pronounced as a regular word, has also become common. | ||
With the development of [[Edonoi|equal divisions of non-octave intervals (edonoi)]], some people started writing "ed2" ("ED2"), especially when naming a specific tuning. | With the development of [[Edonoi|equal divisions of non-octave intervals (edonoi)]], some people started writing "ed2" ("ED2"), especially when naming a specific tuning. | ||