Scala analysis: 684_T91
Tempered tetrachord in cents 225 + 75 + 200, Chapter 5
Generated by Scala: https://www.huygens-fokker.org/scala/
SHOW
0: 1/1 0.000000 unison, perfect prime 1: 225.000 cents 225.000000 2: 300.000 cents 300.000000 3: 500.000 cents 500.000000
SHOW/INTERVAL
0: 200.0000 cents 200.0000 1: 225.0000 cents 225.0000 2: 75.0000 cents 75.0000 3: 200.0000 cents 200.0000
SHOW INTERVALS
Interval class, Number of incidences, Size: 1: 1 75.00000 cents 1: 1 200.00000 cents 1: 1 225.00000 cents 2: 1 275.00000 cents 2: 1 300.00000 cents 2: 1 425.00000 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 : 225.0 300.0 500.0 225.0: 75.0 275.0 500.0 300.0: 200.0 425.0 500.0 500.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class: 1: 75.0000 .. 225.0000 cents 150.00000 cents 75.00000 cents 2: 275.0000 .. 425.0000 cents 150.00000 cents 50.00000 cents
SHOW DATA
Number of notes : 3 -- Interval properties -- Smallest interval : 75.00000 cents, class 1 Average step (divided formal octave): 166.6667 cents Largest one step interval : 225.00000 cents Average / Smallest step : 2.222222 Largest / Average step : 1.350000 Largest / Smallest step : 3.000000 Median interval of one step : 200.00000 cents, amount: 1 Least squares average step : 166.07143 cents, oct.: 498.21429 cents Scale is strictly proper Scale has trivalence property Scale is a mode of a 20-tone equal temperament with octave 500.000 cents degrees: 9 12 20 Least number of segments generator : 11 of 275.000 cents and inv. number of contiguous generator circle segments: 1 Shortest superset generator : 17 of 425.000 cents and inv. generated superset size: 5 = 2 more = 166.667% Number of contiguous 1-step segments: 0 Step pattern alph. order: ABC Step pattern size order : LSM Interval vector is [ 0 0 1 0 0 0 0 1 1 0 ] Scale is sum-free (all different intervals) Scale is a Constant Structure, by a margin of 50.00000 cents Scale diversity : 0.954867 Rothenberg stability : 1.000000 = 1 Lumma stability : 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 : 25.00000 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 Formal octave complements present : 1 = 33.3333% 2/1 octave complements present : 0 = 0.0000% -- Rational properties --
FIT/MODE
3: 1 1 1 SP B ME I SD: 38.7896 c. M: 58.3333 c. 4: 2 0 2 P M DE I SD: 32.2749 c. M: 50.0000 c. 5: 2 1 2 SP M ME I SD: 14.4338 c. M: 25.0000 c. 7: 3 1 3 SP M DE I SD: 10.3098 c. M: 14.2857 c. 13: 6 2 5 SP T3 SD: 5.5514 c. M:-7.6923 c. 15: 7 2 6 SP T3 SD: 4.8113 c. M:-8.3333 c. 18: 8 3 7 SP T3 SD: 3.5861 c. M:-5.5556 c. 20: 9 3 8 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: 86.3137 cents 5 x 6:7 S SD: 41.9908 cents 6 x 7:8 S SD: 16.5934 cents 7:8 x 9 S SD: 32.6044 cents 9:10:11:12 H SD: 21.2545 cents 11 x 13:15 SD: 19.2470 cents 12 x 14:16 S SD: 16.5934 cents 13:15 x 17 SD: 21.1101 cents 14:16:17:19 SD: 15.5149 cents 15:17:18:20 SD: 5.9403 cents 18 x 21:24 S SD: 16.5934 cents 19:22:23:25 SD: 16.3139 cents 20:23:24:27 SD: 10.0806 cents 21:24:25:28 SD: 2.2448 cents 57:65:68:76 SD: 2.0967 cents 78:89:93:104 SD: 1.9913 cents 80:91:95:107 SD: 1.5602 cents 95:108:113:127 SD: 1.3189 cents 101:115:120:135 SD: 0.9421 cents 116:132:138:155 SD: 0.7650 cents 122:139:145:163 SD: 0.6852 cents 137:156:163:183 SD: 0.4905 cents 158:180:188:211 SD: 0.4742 cents 259:295:308:346 SD: 0.4732 cents 260:296:309:347 SD: 0.4097 cents 275:313:327:367 SD: 0.3376 cents 281:320:334:375 SD: 0.3203 cents 296:337:352:395 SD: 0.2158 cents 317:361:377:423 SD: 0.1995 cents 418:476:497:558 SD: 0.1109 cents 439:500:522:586 SD: 0.1076 cents