Scala analysis: 611_T18
Aristoxenian style tetrachord 4 + 5 + 21, Chapter 4
Generated by Scala: https://www.huygens-fokker.org/scala/
SHOW
0: 1/1 0.000000 unison, perfect prime 1: 66.667 cents 66.666670 2: 150.000 cents 150.000000 3: 500.000 cents 500.000000
SHOW/INTERVAL
0: 350.0000 cents 350.0000 1: 66.6667 cents 66.6667 2: 83.3333 cents 83.3333 3: 350.0000 cents 350.0000
SHOW INTERVALS
Interval class, Number of incidences, Size: 1: 1 66.66667 cents 1: 1 83.33333 cents 1: 1 350.00000 cents 2: 1 150.00000 cents 2: 1 416.66667 cents 2: 1 433.33333 cents Highest number of different intervals for one interval class: 3 Average number of different intervals per interval class: 3.00000 = 3
SHOW/LINE/CENTS INTERVALS
1 2 3 0.0 : 66.7 150.0 500.0 66.7 : 83.3 433.3 500.0 150.0: 350.0 416.7 500.0 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class: 1: 66.6667 .. 350.0000 cents 283.33333 cents 66.66667 cents 2: 150.0000 .. 433.3333 cents 283.33333 cents -200.00000 cents
SHOW DATA
Number of notes : 3 -- Interval properties -- Smallest interval : 66.66667 cents, class 1 Average step (divided formal octave): 166.6667 cents Largest one step interval : 350.00000 cents Average / Smallest step : 2.500000 Largest / Average step : 2.100000 Largest / Smallest step : 5.250000 Median interval of one step : 83.33333 cents, amount: 1 Least squares average step : 133.33333 cents, oct.: 400.00000 cents Scale is not proper Scale has trivalence property Scale is a mode of a 30-tone equal temperament with octave 500.000 cents degrees: 4 9 30 Least number of segments generator : 19 of 316.667 cents and inv. number of contiguous generator circle segments: 1 Shortest superset generator : 17 of 283.333 cents and inv. generated superset size: 6 = 3 more = 200.000% Number of contiguous 1-step segments: 0 Step pattern alph. order: ABC Step pattern size order : SML Interval vector is [ 0 0 0 1 1 0 0 0 1 0 0 0 0 0 0 ] Scale is sum-free (all different intervals) Scale is a Constant Structure, by a margin of 66.66667 cents Scale diversity : 0.793857 Lumma stability : 0.266667 Lumma impropriety factor : 0.400000 Rothenberg efficiency : 0.666667 redundancy: 0.333333 Efficiency x scale size : 2.000000 Number of different interval sizes : 6 = 3.00000 / class Number of one step interval sizes : 3 Highest interval variety : 3 Mean interval variety : 3.00000 = 3 Median interval variety : 3 Lowest interval variety : 3 Smallest interval difference : 16.66666 cents Number of recognisable fifths : 0 Number of recognisable fourths : 0 Steps are strictly increasing Formal octave complements present : 1 = 33.3333% 2/1 octave complements present : 0 = 0.0000% Limited inverse transpositions with margin 266.6667 cents: 2 -- Rational properties --
FIT/MODE
3: 0 1 2 N G T3 SD: 39.6746 c. M: 66.6667 c. 4: 0 1 3 N G T3 SD: 41.1074 c. M: 66.6667 c. 6: 1 1 4 N M DE S SD: 13.6083 c. M:-16.6667 c. 7: 1 1 5 N M DE S SD: 4.9563 c. M: 7.1429 c. 16: 2 3 11 N T3 SD: 4.3368 c. M:-6.2500 c. 17: 2 3 12 N T3 SD: 4.8362 c. M: 7.8431 c. 20: 3 3 14 N M DE S SD: 4.8113 c. M:-8.3333 c. 23: 3 4 16 N T3 SD: 1.5085 c. M:-2.1739 c. 30: 4 5 21 N T3 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 x 5 S SD: 113.6863 cents 5 x 6:7 S SD: 92.5274 cents 6 x 7:8 S SD: 58.4436 cents 7 x 8:9 S SD: 51.9695 cents 8 x 9:11 SD: 37.2150 cents 9 x 10:12 S SD: 16.2313 cents 10 x 11:13 SD: 24.0909 cents 11 x 12:15 S SD: 18.4781 cents 12 x 13:16 SD: 5.7967 cents 13 x 14:17 SD: 20.8348 cents 14 x 15:19 SD: 20.9565 cents 15 x 16:20 S SD: 19.1593 cents 16:17 x 21 SD: 24.0821 cents 17:18:19:23 SD: 19.4292 cents 18:19:20:24 S SD: 14.0609 cents 19:20:21:25 SD: 13.5425 cents 20:21:22:27 SD: 10.1338 cents 21:22:23:28 SD: 5.2953 cents 24:25:26:32 SD: 4.0886 cents 45:47:49:60 SD: 3.0673 cents 53:55:58:71 SD: 3.0123 cents 54:56:59:72 SD: 1.7792 cents 75:78:82:100 SD: 1.6804 cents 77:80:84:103 SD: 1.2483 cents 78:81:85:104 SD: 0.8858 cents 153:159:167:204 SD: 0.8382 cents 155:161:169:207 SD: 0.4246 cents 176:183:192:235 SD: 0.3929 cents 254:264:277:339 SD: 0.1066 cents 409:425:446:546 SD: 0.0968 cents