Scala analysis: 695_S4
Semi-tempered tetrachord (4/3)**(2/15) * (4/3)**(2/15) * (4/3)**(11/15)
Generated by Scala: https://www.huygens-fokker.org/scala/
SHOW
0: 1/1 0.000000 unison, perfect prime 1: 66.406 cents 66.406000 2: 132.812 cents 132.812000 3: 4/3 498.044999 perfect fourth
SHOW/INTERVAL
0: 365.2330 cents 365.2330 1: 66.4060 cents 66.4060 2: 66.4060 cents 66.4060 3: 365.2330 cents 365.2330
SHOW INTERVALS
Interval class, Number of incidences, Size: 1: 2 66.40600 cents 1: 1 365.23300 cents 2: 1 132.81200 cents 2: 2 431.63900 cents Highest number of different intervals for one interval class: 2 Average number of different intervals per interval class: 2.00000 = 2
SHOW/LINE/CENTS INTERVALS
1 2 3 0.0 : 66.4 132.8 498.0 66.4 : 66.4 431.6 498.0 132.8: 365.2 431.6 498.0 498.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class: 1: 66.4060 .. 365.2330 cents 298.82700 cents 66.40600 cents 2: 132.8120 .. 431.6390 cents 298.82700 cents -232.42100 cents
SHOW DATA
Number of notes : 3 -- Interval properties -- Smallest interval : 66.40600 cents, class 1 Average step (divided formal octave): 166.0150 cents Largest one step interval : 365.23300 cents Average / Smallest step : 2.500000 Largest / Average step : 2.200000 Largest / Smallest step : 5.500000 Median interval of one step : 66.40600 cents, amount: 2 Most common interval of one step : 66.40600 cents, amount: 2 Least squares average step : 130.44036 cents, oct.: 391.32107 cents Scale is not proper Scale has Myhill's property chromas: 298.82700 cents and 232.42100 cents, ratio: 1.285714 generators: 1 of 66.40600 cents and 431.63900 cents ET pair of linear temperament : 30&575517044 Scale is distributional even Scale is a mode of a 15-tone equal temperament with octave 4/3 degrees: 2 4 15 generators: 2 and 13 Number of contiguous 1-step segments: 0 Step pattern alph. order: AAB Step pattern size order : SSL Interval vector is [ 0 2 0 1 0 0 0 ] Scale is sum-free (all different intervals) Scale is a Constant Structure, by a margin of 66.40600 cents Scale diversity : 0.677466 Lumma stability : 0.266667 Lumma impropriety factor : 0.466667 Rothenberg efficiency : 0.888889 redundancy: 0.111111 Efficiency x scale size : 2.666667 Number of different interval sizes : 4 = 2.00000 / class Number of one step interval sizes : 2 Highest interval variety : 2 Mean interval variety : 2.00000 = 2 Median interval variety : 2 Lowest interval variety : 2 Smallest interval difference : 66.40600 cents Most common intervals : 66.40600 cents & inv., amount: 2 Number of recognisable fifths : 0 Number of recognisable fourths : 0 Steps are increasing Formal octave complements present : 1 = 33.3333% 2/1 octave complements present : 0 = 0.0000% Limited inverse transpositions : 2 Inversional symmetry on degrees : 1 Inversional symmetry on intervals : 2-3 -- Rational properties -- Prime limit : 3 (not all pitches rational)
FIT/MODE
3: 0 1 2 N G T3 SD: 42.8649 c. M: 66.4060 c. 4: 0 1 3 N G T3 SD: 38.6379 c. M: 66.4060 c. 5: 1 0 4 N G T3 SD: 27.1101 c. M: 33.2030 c. 6: 1 1 4 N M DE S SD: 21.4324 c. M:-33.2030 c. 7: 1 1 5 N M DE S SD: 6.1236 c. M:-9.4866 c. 8: 1 1 6 N M DE S SD: 5.3581 c. M: 8.3008 c. 15: 2 2 11 N M DE S SD: 0.0000 c. M: 0.0000 c.
FIT/HARMONIC
1 x x 2 S SD: 701.9550 cents 2 x x 3 S SD: 203.9100 cents 3 x x 4 S SD: 0.0000 cents 4 x x 5 S SD: 111.7313 cents 5 x x 7 SD: 84.4672 cents 6 x 7:8 S SD: 67.0295 cents 7 x 8:9 S SD: 58.3934 cents 8 x 9:11 SD: 44.4211 cents 9 x 10:12 S SD: 24.7959 cents 10 x 11:13 SD: 27.1915 cents 11 x 12:15 S SD: 21.3974 cents 12 x 13:16 SD: 2.8803 cents 13 x 14:17 SD: 16.9595 cents 14 x 15:19 SD: 16.7158 cents 15 x 16:20 S SD: 10.5404 cents 16 x 17:21 SD: 19.4892 cents 17:18 x 23 SD: 20.6045 cents 18:19 x 24 SD: 13.5985 cents 21:22:23:28 SD: 9.4802 cents 23:24:25:31 SD: 7.7202 cents 24:25:26:32 SD: 2.3895 cents 51:53:55:68 SD: 0.6997 cents 75:78:81:100 SD: 0.5179 cents 126:131:136:168 SD: 0.3777 cents 363:377:392:484 SD: 0.3087 cents 387:402:418:516 SD: 0.2741 cents 414:430:447:552 SD: 0.2533 cents 438:455:473:584 SD: 0.1860 cents 489:508:528:652 SD: 0.1381 cents 513:533:554:684 SD: 0.1192 cents 564:586:609:752 SD: 0.0601 cents