13L 2s: Difference between revisions
Jump to navigation
Jump to search
Wikispaces>JosephRuhf **Imported revision 378510822 - Original comment: ** |
Dummy index (talk | contribs) →Scale tree: add links to temperaments (CWE) |
||
| (14 intermediate revisions by 6 users not shown) | |||
| Line 1: | Line 1: | ||
{{Infobox MOS | |||
| Other names = | |||
| Periods = 1 | |||
| nLargeSteps = 13 | |||
| nSmallSteps = 2 | |||
| Equalized = 8 | |||
| Collapsed = 7 | |||
| Pattern = LLLLLLLsLLLLLLs | |||
| | }} | ||
| | {{MOS intro}} | ||
| | |||
| | |||
| | |||
The [[dark]] generator for this scale corresponds to a [[superfourth]] (interval sharper than [[4/3]]). This [[generator]] has almost no sensible interpretation except to be taken as [[11/8]], meaning the MOS is an 11+-[[limit]] scale. | |||
== Scale properties == | |||
{{TAMNAMS use}} | |||
=== Intervals === | |||
{{MOS intervals}} | |||
=== Generator chain === | |||
{{MOS genchain}} | |||
=== Modes === | |||
{{MOS mode degrees}} | |||
== Scale tree == | |||
{{MOS tuning spectrum| 6/5=[[Tritriple]] | 4/3=[[Thuja]] }} | |||
{{todo|expand}} | |||
[[Category:15-tone scales]] | |||
Latest revision as of 14:14, 24 September 2025
| ↖ 12L 1s | ↑ 13L 1s | 14L 1s ↗ |
| ← 12L 2s | 13L 2s | 14L 2s → |
| ↙ 12L 3s | ↓ 13L 3s | 14L 3s ↘ |
Scale structure
sLLLLLLsLLLLLLL
Generator size
TAMNAMS information
Related MOS scales
Equal tunings
13L 2s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 13 large steps and 2 small steps, repeating every octave. 13L 2s is a great-grandchild scale of 2L 7s, expanding it by 6 tones. Generators that produce this scale range from 640 ¢ to 646.2 ¢, or from 553.8 ¢ to 560 ¢.
The dark generator for this scale corresponds to a superfourth (interval sharper than 4/3). This generator has almost no sensible interpretation except to be taken as 11/8, meaning the MOS is an 11+-limit scale.
Scale properties
- This article uses TAMNAMS conventions for the names of this scale's intervals and scale degrees. The use of 1-indexed ordinal names is reserved for interval regions.
Intervals
| Intervals | Steps subtended |
Range in cents | ||
|---|---|---|---|---|
| Generic | Specific | Abbrev. | ||
| 0-mosstep | Perfect 0-mosstep | P0ms | 0 | 0.0 ¢ |
| 1-mosstep | Minor 1-mosstep | m1ms | s | 0.0 ¢ to 80.0 ¢ |
| Major 1-mosstep | M1ms | L | 80.0 ¢ to 92.3 ¢ | |
| 2-mosstep | Minor 2-mosstep | m2ms | L + s | 92.3 ¢ to 160.0 ¢ |
| Major 2-mosstep | M2ms | 2L | 160.0 ¢ to 184.6 ¢ | |
| 3-mosstep | Minor 3-mosstep | m3ms | 2L + s | 184.6 ¢ to 240.0 ¢ |
| Major 3-mosstep | M3ms | 3L | 240.0 ¢ to 276.9 ¢ | |
| 4-mosstep | Minor 4-mosstep | m4ms | 3L + s | 276.9 ¢ to 320.0 ¢ |
| Major 4-mosstep | M4ms | 4L | 320.0 ¢ to 369.2 ¢ | |
| 5-mosstep | Minor 5-mosstep | m5ms | 4L + s | 369.2 ¢ to 400.0 ¢ |
| Major 5-mosstep | M5ms | 5L | 400.0 ¢ to 461.5 ¢ | |
| 6-mosstep | Minor 6-mosstep | m6ms | 5L + s | 461.5 ¢ to 480.0 ¢ |
| Major 6-mosstep | M6ms | 6L | 480.0 ¢ to 553.8 ¢ | |
| 7-mosstep | Perfect 7-mosstep | P7ms | 6L + s | 553.8 ¢ to 560.0 ¢ |
| Augmented 7-mosstep | A7ms | 7L | 560.0 ¢ to 646.2 ¢ | |
| 8-mosstep | Diminished 8-mosstep | d8ms | 6L + 2s | 553.8 ¢ to 640.0 ¢ |
| Perfect 8-mosstep | P8ms | 7L + s | 640.0 ¢ to 646.2 ¢ | |
| 9-mosstep | Minor 9-mosstep | m9ms | 7L + 2s | 646.2 ¢ to 720.0 ¢ |
| Major 9-mosstep | M9ms | 8L + s | 720.0 ¢ to 738.5 ¢ | |
| 10-mosstep | Minor 10-mosstep | m10ms | 8L + 2s | 738.5 ¢ to 800.0 ¢ |
| Major 10-mosstep | M10ms | 9L + s | 800.0 ¢ to 830.8 ¢ | |
| 11-mosstep | Minor 11-mosstep | m11ms | 9L + 2s | 830.8 ¢ to 880.0 ¢ |
| Major 11-mosstep | M11ms | 10L + s | 880.0 ¢ to 923.1 ¢ | |
| 12-mosstep | Minor 12-mosstep | m12ms | 10L + 2s | 923.1 ¢ to 960.0 ¢ |
| Major 12-mosstep | M12ms | 11L + s | 960.0 ¢ to 1015.4 ¢ | |
| 13-mosstep | Minor 13-mosstep | m13ms | 11L + 2s | 1015.4 ¢ to 1040.0 ¢ |
| Major 13-mosstep | M13ms | 12L + s | 1040.0 ¢ to 1107.7 ¢ | |
| 14-mosstep | Minor 14-mosstep | m14ms | 12L + 2s | 1107.7 ¢ to 1120.0 ¢ |
| Major 14-mosstep | M14ms | 13L + s | 1120.0 ¢ to 1200.0 ¢ | |
| 15-mosstep | Perfect 15-mosstep | P15ms | 13L + 2s | 1200.0 ¢ |
Generator chain
| Bright gens | Scale degree | Abbrev. |
|---|---|---|
| 27 | Augmented 6-mosdegree | A6md |
| 26 | Augmented 13-mosdegree | A13md |
| 25 | Augmented 5-mosdegree | A5md |
| 24 | Augmented 12-mosdegree | A12md |
| 23 | Augmented 4-mosdegree | A4md |
| 22 | Augmented 11-mosdegree | A11md |
| 21 | Augmented 3-mosdegree | A3md |
| 20 | Augmented 10-mosdegree | A10md |
| 19 | Augmented 2-mosdegree | A2md |
| 18 | Augmented 9-mosdegree | A9md |
| 17 | Augmented 1-mosdegree | A1md |
| 16 | Augmented 8-mosdegree | A8md |
| 15 | Augmented 0-mosdegree | A0md |
| 14 | Augmented 7-mosdegree | A7md |
| 13 | Major 14-mosdegree | M14md |
| 12 | Major 6-mosdegree | M6md |
| 11 | Major 13-mosdegree | M13md |
| 10 | Major 5-mosdegree | M5md |
| 9 | Major 12-mosdegree | M12md |
| 8 | Major 4-mosdegree | M4md |
| 7 | Major 11-mosdegree | M11md |
| 6 | Major 3-mosdegree | M3md |
| 5 | Major 10-mosdegree | M10md |
| 4 | Major 2-mosdegree | M2md |
| 3 | Major 9-mosdegree | M9md |
| 2 | Major 1-mosdegree | M1md |
| 1 | Perfect 8-mosdegree | P8md |
| 0 | Perfect 0-mosdegree Perfect 15-mosdegree |
P0md P15md |
| −1 | Perfect 7-mosdegree | P7md |
| −2 | Minor 14-mosdegree | m14md |
| −3 | Minor 6-mosdegree | m6md |
| −4 | Minor 13-mosdegree | m13md |
| −5 | Minor 5-mosdegree | m5md |
| −6 | Minor 12-mosdegree | m12md |
| −7 | Minor 4-mosdegree | m4md |
| −8 | Minor 11-mosdegree | m11md |
| −9 | Minor 3-mosdegree | m3md |
| −10 | Minor 10-mosdegree | m10md |
| −11 | Minor 2-mosdegree | m2md |
| −12 | Minor 9-mosdegree | m9md |
| −13 | Minor 1-mosdegree | m1md |
| −14 | Diminished 8-mosdegree | d8md |
| −15 | Diminished 15-mosdegree | d15md |
| −16 | Diminished 7-mosdegree | d7md |
| −17 | Diminished 14-mosdegree | d14md |
| −18 | Diminished 6-mosdegree | d6md |
| −19 | Diminished 13-mosdegree | d13md |
| −20 | Diminished 5-mosdegree | d5md |
| −21 | Diminished 12-mosdegree | d12md |
| −22 | Diminished 4-mosdegree | d4md |
| −23 | Diminished 11-mosdegree | d11md |
| −24 | Diminished 3-mosdegree | d3md |
| −25 | Diminished 10-mosdegree | d10md |
| −26 | Diminished 2-mosdegree | d2md |
| −27 | Diminished 9-mosdegree | d9md |
Modes
| UDP | Cyclic order |
Step pattern |
Scale degree (mosdegree) | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | |||
| 14|0 | 1 | LLLLLLLsLLLLLLs | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Maj. | Aug. | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Maj. | Perf. |
| 13|1 | 9 | LLLLLLsLLLLLLLs | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Maj. | Perf. | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Maj. | Perf. |
| 12|2 | 2 | LLLLLLsLLLLLLsL | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Maj. | Perf. | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Min. | Perf. |
| 11|3 | 10 | LLLLLsLLLLLLLsL | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Min. | Perf. | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Min. | Perf. |
| 10|4 | 3 | LLLLLsLLLLLLsLL | Perf. | Maj. | Maj. | Maj. | Maj. | Maj. | Min. | Perf. | Perf. | Maj. | Maj. | Maj. | Maj. | Min. | Min. | Perf. |
| 9|5 | 11 | LLLLsLLLLLLLsLL | Perf. | Maj. | Maj. | Maj. | Maj. | Min. | Min. | Perf. | Perf. | Maj. | Maj. | Maj. | Maj. | Min. | Min. | Perf. |
| 8|6 | 4 | LLLLsLLLLLLsLLL | Perf. | Maj. | Maj. | Maj. | Maj. | Min. | Min. | Perf. | Perf. | Maj. | Maj. | Maj. | Min. | Min. | Min. | Perf. |
| 7|7 | 12 | LLLsLLLLLLLsLLL | Perf. | Maj. | Maj. | Maj. | Min. | Min. | Min. | Perf. | Perf. | Maj. | Maj. | Maj. | Min. | Min. | Min. | Perf. |
| 6|8 | 5 | LLLsLLLLLLsLLLL | Perf. | Maj. | Maj. | Maj. | Min. | Min. | Min. | Perf. | Perf. | Maj. | Maj. | Min. | Min. | Min. | Min. | Perf. |
| 5|9 | 13 | LLsLLLLLLLsLLLL | Perf. | Maj. | Maj. | Min. | Min. | Min. | Min. | Perf. | Perf. | Maj. | Maj. | Min. | Min. | Min. | Min. | Perf. |
| 4|10 | 6 | LLsLLLLLLsLLLLL | Perf. | Maj. | Maj. | Min. | Min. | Min. | Min. | Perf. | Perf. | Maj. | Min. | Min. | Min. | Min. | Min. | Perf. |
| 3|11 | 14 | LsLLLLLLLsLLLLL | Perf. | Maj. | Min. | Min. | Min. | Min. | Min. | Perf. | Perf. | Maj. | Min. | Min. | Min. | Min. | Min. | Perf. |
| 2|12 | 7 | LsLLLLLLsLLLLLL | Perf. | Maj. | Min. | Min. | Min. | Min. | Min. | Perf. | Perf. | Min. | Min. | Min. | Min. | Min. | Min. | Perf. |
| 1|13 | 15 | sLLLLLLLsLLLLLL | Perf. | Min. | Min. | Min. | Min. | Min. | Min. | Perf. | Perf. | Min. | Min. | Min. | Min. | Min. | Min. | Perf. |
| 0|14 | 8 | sLLLLLLsLLLLLLL | Perf. | Min. | Min. | Min. | Min. | Min. | Min. | Perf. | Dim. | Min. | Min. | Min. | Min. | Min. | Min. | Perf. |
Scale tree
| Generator(edo) | Cents | Step ratio | Comments | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Bright | Dark | L:s | Hardness | |||||||
| 8\15 | 640.000 | 560.000 | 1:1 | 1.000 | Equalized 13L 2s | |||||
| 47\88 | 640.909 | 559.091 | 6:5 | 1.200 | Tritriple | |||||
| 39\73 | 641.096 | 558.904 | 5:4 | 1.250 | ||||||
| 70\131 | 641.221 | 558.779 | 9:7 | 1.286 | ||||||
| 31\58 | 641.379 | 558.621 | 4:3 | 1.333 | Supersoft 13L 2s Thuja | |||||
| 85\159 | 641.509 | 558.491 | 11:8 | 1.375 | ||||||
| 54\101 | 641.584 | 558.416 | 7:5 | 1.400 | ||||||
| 77\144 | 641.667 | 558.333 | 10:7 | 1.429 | ||||||
| 23\43 | 641.860 | 558.140 | 3:2 | 1.500 | Soft 13L 2s | |||||
| 84\157 | 642.038 | 557.962 | 11:7 | 1.571 | ||||||
| 61\114 | 642.105 | 557.895 | 8:5 | 1.600 | ||||||
| 99\185 | 642.162 | 557.838 | 13:8 | 1.625 | ||||||
| 38\71 | 642.254 | 557.746 | 5:3 | 1.667 | Semisoft 13L 2s | |||||
| 91\170 | 642.353 | 557.647 | 12:7 | 1.714 | ||||||
| 53\99 | 642.424 | 557.576 | 7:4 | 1.750 | ||||||
| 68\127 | 642.520 | 557.480 | 9:5 | 1.800 | ||||||
| 15\28 | 642.857 | 557.143 | 2:1 | 2.000 | Basic 13L 2s Scales with tunings softer than this are proper | |||||
| 67\125 | 643.200 | 556.800 | 9:4 | 2.250 | ||||||
| 52\97 | 643.299 | 556.701 | 7:3 | 2.333 | ||||||
| 89\166 | 643.373 | 556.627 | 12:5 | 2.400 | ||||||
| 37\69 | 643.478 | 556.522 | 5:2 | 2.500 | Semihard 13L 2s | |||||
| 96\179 | 643.575 | 556.425 | 13:5 | 2.600 | ||||||
| 59\110 | 643.636 | 556.364 | 8:3 | 2.667 | ||||||
| 81\151 | 643.709 | 556.291 | 11:4 | 2.750 | ||||||
| 22\41 | 643.902 | 556.098 | 3:1 | 3.000 | Hard 13L 2s | |||||
| 73\136 | 644.118 | 555.882 | 10:3 | 3.333 | ||||||
| 51\95 | 644.211 | 555.789 | 7:2 | 3.500 | ||||||
| 80\149 | 644.295 | 555.705 | 11:3 | 3.667 | ||||||
| 29\54 | 644.444 | 555.556 | 4:1 | 4.000 | Superhard 13L 2s | |||||
| 65\121 | 644.628 | 555.372 | 9:2 | 4.500 | ||||||
| 36\67 | 644.776 | 555.224 | 5:1 | 5.000 | ||||||
| 43\80 | 645.000 | 555.000 | 6:1 | 6.000 | ||||||
| 7\13 | 646.154 | 553.846 | 1:0 | → ∞ | Collapsed 13L 2s | |||||