Scala analysis: 686_T93
Tempered tetrachord in cents 87.5 + 187.5 + 225, Chapter 5
Generated by Scala: https://www.huygens-fokker.org/scala/
SHOW
0: 1/1 0.000000 unison, perfect prime 1: 87.500 cents 87.500000 2: 275.000 cents 275.000000 3: 500.000 cents 500.000000
SHOW/INTERVAL
0: 225.0000 cents 225.0000 1: 87.5000 cents 87.5000 2: 187.5000 cents 187.5000 3: 225.0000 cents 225.0000
SHOW INTERVALS
Interval class, Number of incidences, Size: 1: 1 87.50000 cents 1: 1 187.50000 cents 1: 1 225.00000 cents 2: 1 275.00000 cents 2: 1 312.50000 cents 2: 1 412.50000 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 : 87.5 275.0 500.0 87.5 : 187.5 412.5 500.0 275.0: 225.0 312.5 500.0 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class: 1: 87.5000 .. 225.0000 cents 137.50000 cents 87.50000 cents 2: 275.0000 .. 412.5000 cents 137.50000 cents 50.00000 cents
SHOW DATA
Number of notes : 3 -- Interval properties -- Smallest interval : 87.50000 cents, class 1 Average step (divided formal octave): 166.6667 cents Largest one step interval : 225.00000 cents Average / Smallest step : 1.904762 Largest / Average step : 1.350000 Largest / Smallest step : 2.571429 Median interval of one step : 187.50000 cents, amount: 1 Least squares average step : 152.67857 cents, oct.: 458.03571 cents Scale is strictly proper Scale has trivalence property Scale is a mode of a 40-tone equal temperament with octave 500.000 cents degrees: 7 22 40 Least number of segments generator : 21 of 262.500 cents and inv. number of contiguous generator circle segments: 1 Shortest superset generator : 29 of 362.500 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 0 0 0 1 0 0 0 0 0 0 0 1 0 0 1 0 0 ] Scale is sum-free (all different intervals) Scale is a Constant Structure, by a margin of 50.00000 cents Scale diversity : 1.100127 Rothenberg stability : 1.000000 = 1 Lumma stability : 0.450000 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 : 37.50000 cents Number of recognisable fifths : 0 Number of recognisable fourths : 0 Best major thirds form a closed circle Best minor thirds form a closed circle Steps are strictly increasing Formal octave complements present : 1 = 33.3333% 2/1 octave complements present : 0 = 0.0000% -- Rational properties --
FIT/MODE
3: 0 1 2 N G T3 SD: 80.3998 c. M: 108.3333 c. 4: 1 1 2 P M ME S SD: 26.0208 c. M:-37.5000 c. 5: 1 2 2 SP M ME S SD: 16.1374 c. M:-25.0000 c. 6: 1 2 3 P T3 SD: 14.6329 c. M: 25.0000 c. 7: 1 3 3 SP M DE S SD: 11.1518 c. M: 16.0714 c. 11: 2 4 5 SP T3 SD: 2.3655 c. M:-3.4091 c. 29: 5 11 13 SP T3 SD: 0.8973 c. M: 1.2931 c. 40: 7 15 18 SP 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 5 x S SD: 111.3137 cents 5 x 6:7 S SD: 45.9891 cents 6 x 7:8 S SD: 4.1804 cents 7 x 8:9 S SD: 39.1624 cents 8 x 9:11 SD: 43.8387 cents 9 x 11:12 SD: 36.2172 cents 10:11:12:13 H SD: 32.9224 cents 11:12:13:15 SD: 24.8407 cents 12:13:14:16 S SD: 17.2508 cents 15:16:18:20 S SD: 15.7857 cents 16:17:19:21 SD: 13.6026 cents 17:18:20:23 SD: 8.9157 cents 18:19:21:24 SD: 3.4505 cents 41:43:48:55 SD: 3.3883 cents 57:60:67:76 SD: 1.7929 cents 75:79:88:100 SD: 1.1953 cents 98:103:115:131 SD: 1.1356 cents 99:104:116:132 SD: 1.0048 cents 116:122:136:155 SD: 0.6074 cents 134:141:157:179 SD: 0.5403 cents 191:201:224:255 SD: 0.4275 cents 215:226:252:287 SD: 0.3741 cents 233:245:273:311 SD: 0.3040 cents 290:305:340:387 SD: 0.2094 cents 308:324:361:411 SD: 0.1966 cents 406:427:476:542 SD: 0.1531 cents 424:446:497:566 SD: 0.0384 cents