Scala analysis: 658_T65
Aristoxenian style tetrachord 10 + 10 + 10, Al-Farabi
Generated by Scala: https://www.huygens-fokker.org/scala/
SHOW
0: 1/1 0.000000 unison, perfect prime 1: 166.667 cents 166.666670 2: 333.333 cents 333.333330 3: 500.000 cents 500.000000
SHOW/INTERVAL
0: 166.6667 cents 166.6667 1: 166.6667 cents 166.6667 2: 166.6667 cents 166.6667 3: 166.6667 cents 166.6667
SHOW INTERVALS
Interval class, Number of incidences, Size: 1: 3 166.66667 cents 2: 3 333.33333 cents Only one interval per interval class, scale is equal tempered Average number of different intervals per interval class: 1.00000 = 1
SHOW/LINE/CENTS INTERVALS
1 2 3 0.0 : 166.7 333.3 500.0 166.7: 166.7 333.3 500.0 333.3: 166.7 333.3 500.0 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class: 1: 166.6667 .. 166.6667 cents 1/1, 0.0000 cents 166.66667 cents 2: 333.3333 .. 333.3333 cents 1/1, 0.0000 cents 166.66666 cents
SHOW DATA
Number of notes : 3 -- Interval properties -- Smallest interval : 166.66666 cents, class 1 Average step (divided formal octave): 166.6667 cents Largest one step interval : 166.66667 cents Average / Smallest step : 1.000000 Largest / Average step : 1.000000 Largest / Smallest step : 1.000000 Median interval of one step : 166.66667 cents, amount: 3 Most common interval of one step : 166.66667 cents, amount: 3 Least squares average step : 166.66667 cents, oct.: 500.00000 cents Scale is strictly proper Scale is equal tempered Scale is maximally even for L / S <= 2 Scale is distributional even Scale is a Constant Structure, by a margin of 166.66667 cents Scale diversity : 1.000000 Rothenberg stability : 1.000000 = 1 Lumma stability : 1.000000 Rothenberg efficiency : 0.333333 redundancy: 0.666667 Efficiency x scale size : 1.000000 Number of different interval sizes : 2 = 1.00000 / class Number of one step interval sizes : 1 Mean interval variety : 1.00000 = 1 Lowest interval variety : 1 Number of recognisable fifths : 0 Number of recognisable fourths : 3, average 500.0000 cents Best fifths form a closed circle Best major thirds form a closed circle Best minor thirds form a closed circle Limited transpositions : all Inversional symmetry on degrees : all Inversional symmetry on intervals : all -- Rational properties --
FIT/MODE
3: 1 1 1 SP B ME I SD: 0.0000 c. M: 0.0000 c.
FIT/HARMONIC
1 x x 2 S SD: 700.0000 cents 2 x x 3 S SD: 201.9550 cents 3 x x 4 S SD: 1.9550 cents 4 x 5 x S SD: 52.9804 cents 5 x 6:7 S SD: 42.1938 cents 6 x 7:8 S SD: 33.2456 cents 7:8 x 9 S SD: 45.7583 cents 8:9:10:11 H SD: 27.5429 cents 9:10:11:12 H SD: 7.0677 cents 28:31:34:37 SD: 6.7041 cents 29:32:35:39 SD: 5.1752 cents 38:42:46:51 SD: 3.9229 cents 39:43:47:52 SD: 3.5857 cents 42:46:51:56 SD: 3.2624 cents 48:53:58:64 SD: 2.5880 cents 51:56:62:68 SD: 2.3418 cents 60:66:73:80 SD: 2.2328 cents 71:78:86:95 SD: 1.9552 cents 80:88:97:107 SD: 1.2782 cents 89:98:108:119 SD: 1.1133 cents 90:99:109:120 SD: 1.0327 cents 99:109:120:132 SD: 0.6594 cents 170:187:206:227 SD: 0.6458 cents 179:197:217:239 SD: 0.3035 cents 188:207:228:251 SD: 0.2390 cents 278:306:337:371 SD: 0.2259 cents 287:316:348:383 SD: 0.1817 cents 415:457:503:554 SD: 0.1593 cents 466:513:565:622 SD: 0.1232 cents