User:Ganaram inukshuk/Notes: Difference between revisions
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A somewhat generalized notion of warping, described by the addition, removal, or substitution of a single step. The most common scales of 12edo are used as examples: 5L 2s, the whole-tone scale (effectively 6edo), the chromatic scale (effectively 12edo), and the diminished scale (4L 4s, hardness of 2). | A somewhat generalized notion of warping, described by the addition, removal, or substitution of a single step. The most common scales of 12edo are used as examples: 5L 2s, the whole-tone scale (effectively 6edo), the chromatic scale (effectively 12edo), and the diminished scale (4L 4s, hardness of 2). | ||
The simplest ways to warp a scale are through the addition of a step and the removal of a step. Substitution of a step, where one step is changed for a step of a different size, can be thought of removing a step of one size and adding a step of a different size. | |||
{| class="wikitable" | {| class="wikitable" | ||
|+ | |+Warped 5L 2s | ||
! rowspan="2" | | ! rowspan="2" |Small step changes | ||
! colspan=" | ! colspan="3" |Large step changes | ||
|- | |- | ||
! | !-1L | ||
! | !+0L | ||
! | !+1L | ||
|- | |- | ||
| | !-1s | ||
| | | | ||
|5L 1s | |||
|6L 1s | |||
|- | |||
!+0s | |||
|5L 1s | |||
|'''5L 2s''' | |||
|6L 2s | |6L 2s | ||
| | |- | ||
!+1s | |||
|4L 3s | |4L 3s | ||
|5L 3s | |||
| | |||
|} | |||
{| class="wikitable" | |||
|+Warped 6edo | |||
(equal-tempered whole-tone scale) | |||
! rowspan="2" |Small step changes | |||
! colspan="3" |Large step changes | |||
|- | |||
!-1L | |||
!+0L | |||
!+1L | |||
|- | |||
!-1s | |||
| | |||
| | |||
|1L 5s | |||
|- | |||
!+0s | |||
| | |||
|'''6edo''' | |||
|1L 6s | |||
|- | |- | ||
!+1s | |||
|5L 1s | |5L 1s | ||
|6L 1s | |6L 1s | ||
| | |||
|} | |||
{| class="wikitable" | |||
|+Warped 12edo | |||
(equal-tempered chromatic scale) | |||
! rowspan="2" |Small step changes | |||
! colspan="3" |Large step changes | |||
|- | |||
!-1L | |||
!+0L | |||
!+1L | |||
|- | |||
!-1s | |||
| | |||
| | |||
|1L 11s | |||
|- | |||
!+0s | |||
| | |||
|'''12edo''' | |||
|1L 12s | |||
|- | |||
!+1s | |||
|1L 11s | |||
|12L 1s | |||
| | |||
|} | |||
{| class="wikitable" | |||
|+Warped 4L 4s | |||
! rowspan="2" |Small step changes | |||
! colspan="3" |Large step changes | |||
|- | |||
!-1L | |||
!+0L | |||
!+1L | |||
|- | |||
!-1s | |||
| | |||
|4L 3s | |||
|5L 3s | |||
|- | |||
!+0s | |||
|3L 4s | |||
|'''4L 4s''' | |||
|5L 4s | |||
|- | |||
!+1s | |||
|3L 5s | |||
|4L 5s | |||
| | |||
|} | |} |