Logarithmic intonation: Difference between revisions
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'''Logarithmic intonation''' ('''LI''') is a form of intonation that is similar to [[just intonation]] but rather than using primes as the basis elements, it uses the natural logarithms of integers (ln(2), ln(3), ln(4) and so on). Logarithmic intonation is a superset of just intonation, because the interval n/d can be expressed as ln(x<sup>n</sup>)/ln(x<sup>d</sup>) for any integer x, but the majority of it consists of irrational intervals. The simplest [[subgroup]] of | '''Logarithmic intonation''' ('''LI''') is a form of intonation that is similar to [[just intonation]] but rather than using primes as the basis elements, it uses the natural logarithms of integers (ln(2), ln(3), ln(4) and so on). Logarithmic intonation is a superset of just intonation, because the interval n/d can be expressed as ln(x<sup>n</sup>)/ln(x<sup>d</sup>) for any integer x, but the majority of it consists of irrational intervals. The simplest [[subgroup]] of logarithmic intonation is ln(2).ln(3), but this is a [[nonoctave]] system–if the octave is desired, the simplest subgroup is ln(2).ln(4) which contains the octave as ln(4)/ln(2) andcan be rewritten as 2.ln(4). The subgroup ln(2).ln(3).ln(4) or equivalently 2.ln(3).ln(4) can be viewed as analogous to the [[5-limit]] of just intonation. | ||
[[Category:Method]] | [[Category:Method]] | ||
[[Category:Terms]] | [[Category:Terms]] | ||
[[Category:Irrational intervals]] | [[Category:Irrational intervals]] |