Chirality: Difference between revisions
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== Examples == | == Examples == | ||
* All [[mos scale]]s are achiral. | |||
* Odd-sized [[GO]] scales, such as the [[Zarlino]] scale and [[diasem]], are chiral; even-sized GO scales, such as [[blackdye]], are not. | * Odd-sized [[GO]] scales, such as the [[Zarlino]] scale and [[diasem]], are chiral; even-sized GO scales, such as [[blackdye]], are not. | ||
* A [[CPS]] made by choosing ''n''/2 out of ''n'' elements (for n even) is achiral. Otherwise it may be chiral (for example, the 1 3 5 7 9 11 [[pentadekany]] is chiral). | * A [[CPS]] made by choosing ''n''/2 out of ''n'' elements (for n even) is achiral. Otherwise it may be chiral (for example, the 1 3 5 7 9 11 [[pentadekany]] is chiral). | ||
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== Properties == | == Properties == | ||
* Chiral scales have at least 3 notes; | * Chiral scales have at least 3 notes; | ||
* Chiral scales are at least max-variety 3 | * Chiral scales are at least max-variety 3; | ||
* Chiral scales have a {{w|natural density|density}} of 1 (see table below); | * Chiral scales have a {{w|natural density|density}} of 1 (see table below); | ||
* Chiral scales with rational step ratios can only exist in edos larger than [[5edo]]. | * Chiral scales with rational step ratios can only exist in edos larger than [[5edo]]. | ||