ALS: Difference between revisions
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== Relationship to other tunings == | == Relationship to other tunings == | ||
=== | === As shifted undertone series === | ||
By varying the undertone series step size to some rational number (other than 1) you can produce a US, and by varying it to an irrational number you can produce an ALS. In other words, by shifting the undertone series by a constant amount of string length, the step sizes remain equal in terms of length, but their relationship in pitch changes. | By varying the undertone series step size to some rational number (other than 1) you can produce a US, and by varying it to an irrational number you can produce an ALS. In other words, by shifting the undertone series by a constant amount of string length, the step sizes remain equal in terms of length, but their relationship in pitch changes. | ||
=== | === Vs. AFS === | ||
The analogous otonal equivalent of an ALS is an [[AFS|AFS (arithmetic frequency sequence)]]. | The analogous otonal equivalent of an ALS is an [[AFS|AFS (arithmetic frequency sequence)]]. | ||
=== | === Vs. US === | ||
A [[US|US, or utonal sequence]], is the (rational) version of an ALS. | A [[US|US, or utonal sequence]], is the (rational) version of an ALS. | ||
=== | === Vs. ELD === | ||
By specifying n, your sequence will be equivalent to some [[ELD|ELD (equal length division)]]; specifically n-ALSp = n-ELD((p-1)/n). | By specifying n, your sequence will be equivalent to some [[ELD|ELD (equal length division)]]; specifically n-ALSp = n-ELD((p-1)/n). | ||