512/297: Difference between revisions
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'''512/297''', the '''Alpharabian inframinor seventh''', is the basic inframinor seventh in the 2.3.11 [[subgroup]]. It differs from the [[19/11]] undevicesimal semitwelfth by [[513/512]], and differs from [[12/7]] by [[896/891]]. As suggested by its name, it is reached by subtracting a [[33/32]] quartertone from [[16/9]]. This particular interval is particularly useful as | '''512/297''', the '''Alpharabian inframinor seventh''', is the basic inframinor seventh in the 2.3.11 [[subgroup]]. It differs from the [[19/11]] undevicesimal semitwelfth by [[513/512]], and differs from [[12/7]] by [[896/891]]. As suggested by its name, it is reached by subtracting a [[33/32]] quartertone from [[16/9]]. This particular interval is particularly useful as an added seventh to [[11-limit]] tertian chords. | ||
Among the more reasonably sized EDOs that represent this interval and other intervals in its class- such as [[8192/8019]], [[1024/891]] and [[4096/2673]]- with a pretty good level of accuracy include [[65edo]] and [[159edo]]. | Among the more reasonably sized EDOs that represent this interval and other intervals in its class- such as [[8192/8019]], [[1024/891]] and [[4096/2673]]- with a pretty good level of accuracy include [[65edo]] and [[159edo]]. | ||