Scala analysis: even12b

second maximally even {15/14,16/15,21/20,25/24} scale

Generated by Scala: https://www.huygens-fokker.org/scala/

SHOW
  0:          1/1               0.000000 unison, perfect prime
  1:         21/20             84.467193 minor semitone
  2:         28/25            196.198479 middle second
  3:          6/5             315.641287 minor third
  4:          5/4             386.313714 major third
  5:          4/3             498.044999 perfect fourth
  6:          7/5             582.512193 septimal or Huygens' tritone, BP fourth
  7:          3/2             701.955001 perfect fifth
  8:         63/40            786.422194 narrow minor sixth
  9:         42/25            898.153480 quasi-equal major sixth
 10:          7/4             968.825906 harmonic seventh
 11:         15/8            1088.268715 classic major seventh
 12:          2/1            1200.000000 octave
SHOW/INTERVAL
  0:         16/15            111.7313 minor diatonic semitone
  1:         21/20             84.4672 minor semitone
  2:         16/15            111.7313 minor diatonic semitone
  3:         15/14            119.4428 major diatonic semitone
  4:         25/24             70.6724 classic chromatic semitone, minor chroma
  5:         16/15            111.7313 minor diatonic semitone
  6:         21/20             84.4672 minor semitone
  7:         15/14            119.4428 major diatonic semitone
  8:         21/20             84.4672 minor semitone
  9:         16/15            111.7313 minor diatonic semitone
 10:         25/24             70.6724 classic chromatic semitone, minor chroma
 11:         15/14            119.4428 major diatonic semitone
 12:         16/15            111.7313 minor diatonic semitone
SHOW INTERVALS
Interval class, Number of incidences, Size:
  1:   2 25/24               70.672 cents   classic chromatic semitone, minor chroma
  1:   3 21/20               84.467 cents   minor semitone
  1:   4 16/15               111.731 cents  minor diatonic semitone
  1:   3 15/14               119.443 cents  major diatonic semitone
  2:   2 10/9                182.404 cents  minor whole tone
  2:   2 125/112             190.115 cents  classic augmented semitone
  2:   4 28/25               196.198 cents  middle second
  2:   2 9/8                 203.910 cents  major whole tone
  2:   2 8/7                 231.174 cents  septimal whole tone
  3:   2 7/6                 266.871 cents  septimal minor third
  3:   1 189/160             288.377 cents  
  3:   4 25/21               301.847 cents  BP second, quasi-equal minor third
  3:   1 448/375             307.930 cents  
  3:   4 6/5                 315.641 cents  minor third
  4:   6 5/4                 386.314 cents  major third
  4:   2 63/50               400.108 cents  quasi-equal major third
  4:   2 80/63               413.578 cents  wide major third
  4:   2 32/25               427.373 cents  classic diminished fourth
  5:   2 21/16               470.781 cents  narrow fourth
  5:   6 4/3                 498.045 cents  perfect fourth
  5:   2 75/56               505.757 cents  marvelous fourth
  5:   1 168/125             511.840 cents  
  5:   1 48/35               546.815 cents  septimal semi-augmented fourth
  6:   4 7/5                 582.512 cents  septimal or Huygens' tritone, BP fourth
  6:   2 45/32               590.224 cents  diatonic tritone
  6:   2 64/45               609.776 cents  2nd tritone
  6:   4 10/7                617.488 cents  Euler's tritone
  7:   1 35/24               653.185 cents  septimal semi-diminished fifth
  7:   1 125/84              688.160 cents  
  7:   2 112/75              694.243 cents  marvelous fifth
  7:   6 3/2                 701.955 cents  perfect fifth
  7:   2 32/21               729.219 cents  wide fifth
  8:   2 25/16               772.627 cents  classic augmented fifth
  8:   2 63/40               786.422 cents  narrow minor sixth
  8:   2 100/63              799.892 cents  quasi-equal minor sixth
  8:   6 8/5                 813.686 cents  minor sixth
  9:   4 5/3                 884.359 cents  major sixth, BP sixth
  9:   1 375/224             892.070 cents  
  9:   4 42/25               898.153 cents  quasi-equal major sixth
  9:   1 320/189             911.623 cents  
  9:   2 12/7                933.129 cents  septimal major sixth
 10:   2 7/4                 968.826 cents  harmonic seventh
 10:   2 16/9                996.090 cents  Pythagorean minor seventh
 10:   4 25/14               1003.802 cents middle minor seventh
 10:   2 224/125             1009.885 cents 
 10:   2 9/5                 1017.596 cents just minor seventh, BP seventh
 11:   3 28/15               1080.557 cents grave major seventh
 11:   4 15/8                1088.269 cents classic major seventh
 11:   3 40/21               1115.533 cents acute major seventh
 11:   2 48/25               1129.328 cents classic diminished octave
Highest number of different intervals for one interval class: 5
Average number of different intervals per interval class: 4.54545 = 50/11
SHOW/LINE/CENTS INTERVALS
         1     2     3     4     5     6     7     8     9     10     11     12    
 0.0   : 84.5  196.2 315.6 386.3 498.0 582.5 702.0 786.4 898.2 968.8  1088.3 1200.0
 84.5  : 111.7 231.2 301.8 413.6 498.0 617.5 702.0 813.7 884.4 1003.8 1115.5 1200.0
 196.2 : 119.4 190.1 301.8 386.3 505.8 590.2 702.0 772.6 892.1 1003.8 1088.3 1200.0
 315.6 : 70.7  182.4 266.9 386.3 470.8 582.5 653.2 772.6 884.4 968.8  1080.6 1200.0
 386.3 : 111.7 196.2 315.6 400.1 511.8 582.5 702.0 813.7 898.2 1009.9 1129.3 1200.0
 498.0 : 84.5  203.9 288.4 400.1 470.8 590.2 702.0 786.4 898.2 1017.6 1088.3 1200.0
 582.5 : 119.4 203.9 315.6 386.3 505.8 617.5 702.0 813.7 933.1 1003.8 1115.5 1200.0
 702.0 : 84.5  196.2 266.9 386.3 498.0 582.5 694.2 813.7 884.4 996.1  1080.6 1200.0
 786.4 : 111.7 182.4 301.8 413.6 498.0 609.8 729.2 799.9 911.6 996.1  1115.5 1200.0
 898.2 : 70.7  190.1 301.8 386.3 498.0 617.5 688.2 799.9 884.4 1003.8 1088.3 1200.0
 968.8 : 119.4 231.2 315.6 427.4 546.8 617.5 729.2 813.7 933.1 1017.6 1129.3 1200.0
 1088.3: 111.7 196.2 307.9 427.4 498.0 609.8 694.2 813.7 898.2 1009.9 1080.6 1200.0
 1200.0
SHOW/SPAN INTERVALS
Interval class, Interval span, Span size, Gap to prev. class:
  1:  70.6724   .. 119.4428 cents      36/35, 48.7704 cents               25/24, 70.6724 cents
  2:  182.4037  .. 231.1741 cents      36/35, 48.7704 cents               28/27, 62.9609 cents
  3:  266.8709  .. 315.6413 cents      36/35, 48.7704 cents               49/48, 35.6968 cents
  4:  386.3137  .. 427.3726 cents      128/125, 41.0589 cents             25/24, 70.6724 cents
  5:  470.7809  .. 546.8154 cents      256/245, 76.0345 cents             525/512, 43.4083 cents
  6:  582.5122  .. 617.4878 cents      50/49, 34.9756 cents               49/48, 35.6968 cents
  7:  653.1846  .. 729.2191 cents      256/245, 76.0345 cents             49/48, 35.6968 cents
  8:  772.6274  .. 813.6863 cents      128/125, 41.0589 cents             525/512, 43.4083 cents
  9:  884.3587  .. 933.1291 cents      36/35, 48.7704 cents               25/24, 70.6724 cents
 10:  968.8259  .. 1017.5963 cents     36/35, 48.7704 cents               49/48, 35.6968 cents
 11:  1080.5572 .. 1129.3276 cents     36/35, 48.7704 cents               28/27, 62.9609 cents
SHOW DATA
Number of notes                     : 12
-- Interval properties --
Smallest interval                   : 25/24, 70.6724 cents, class 1
Average step (divided formal octave): 100.0000 cents
Largest one step interval           : 15/14, 119.4428 cents
Average / Smallest step             : 1.414979
Largest / Average step              : 1.194428
Largest / Smallest step             : 1.690091
Median interval of one step         : 16/15, 111.7313 cents, amount: 4
Most common interval of one step    : 16/15, 111.7313 cents, amount: 4
Least squares average step          : 98.92615 cents, oct.:  1187.11384 cents
Scale is strictly proper
Step pattern alph. order: ABCDBACABDCB
Step pattern size order : BCDACBDBCADC
Scale is a Constant Structure, by a margin of 35.69681 cents
Scale diversity                     : 1.370514
Rothenberg stability                : 1.000000 = 1
Lumma stability                     : 0.531846
Rothenberg efficiency               : 0.297499   redundancy: 0.702501
Efficiency x scale size             : 3.569986
Number of different interval sizes  : 50 = 4.54545 / class
Number of one step interval sizes   : 4
Highest interval variety            : 5
Mean interval variety               : 4.54545 = 50/11
Median interval variety             : 4
Lowest interval variety             : 4
Smallest interval difference        : 3136/3125, 6.0832 cents
Number of recognisable fifths       : 9, average 698.7086 cents
Number of appreciable fifths        : 8, average 700.0271 cents
Best fifths form a closed circle
Scale contains a complete diamond   : 1 3
All steps are superparticular (epimoric)
Length of longest harmonic part     : 2 at degree 10
Length of longest subharmonic part  : 2 at degree 1
Formal octave complements present   : 3 = 25.0000%
Scale is differentially coherent in interval class 1
Limited inverse transpositions      :
 1
Inversional symmetry on intervals   :
 0-1 6-7
-- Rational properties --
Prime limit                         : 7
Odd number limit                    : 375 (O: 375 U: 375)
Highest odd numerator or denominator: 63
Scale harmonicity                   : 0.023537
Average absolute harmonicity        : 0.174470
Specific harmonicity                : 0.127605
Fundamental                         : 1/600, -9.2288 octaves, 0.4360 Hz.
Guide tone                          : 1260,  10.2992 octaves, 329648.212 Hz.
Exponens Consonantiae               : 7.560000E+05, 19.52803 octaves
Euler's gradus suavitatis           : 30
Sum of Mann's harmonic distance     : 172.5, average 14.37500
Mersenne's string divisions         : too high to compute
Sum of van Prooijen's expressibility: 11.13591, average 0.92799
Sum of Tenney's harmonic distance   : 21.89786, average 1.82482
Vogel's harmonic complexity         : 18.00000
Wille's k value                     : 562
Wilson's harmonic complexity        : 31
Rectangular lattice diameter        : 7
Triangular lattice diameter         : 4
Lattice compactness                 : 229.50746, average 2.94240
Lattice compactness (without 2's)   : 138.09254, average 1.77042
Number of different primes          : 4
Prime exponents' range, average, count, tones@limit:
  2:  -3 .. 2        -0.50000   20    1
  3:  -1 .. 2         0.50000   8     2
  5:  -2 .. 1        -0.50000   10    3
  7:   0 .. 1         0.50000   6     6
Average exponent except 2's         : 6 / 12 = 0.50000
Average absolute exponent except 2's: 24 / 12 = 2.00000
Scale is weakly epimorphic with val: <12 17 25 35|
Scale is JI-epimorphic with val: <12 19 28 34| = patent
Scale is weakly epimorphic with val: <12 20 26 31|
Scale is weakly epimorphic with val: <12 20 26 33|
Scale is weakly epimorphic with val: <12 20 26 35|
Scale is weakly epimorphic with val: <12 20 26 37|
FIT/MODE
 12:  1 1 1 1 1 1 1 1 1 1 1 1  SP B ME I SD: 13.8395 c. M:-31.1741 c.  Twelve-tone Chromatic (1/11-comma)
 19:  1 2 2 1 2 1 2 1 2 1 2 2   P   D3   SD: 14.5422 c. M: 28.5275 c. 
 24:  2 2 2 2 2 2 2 2 2 1 3 2   P   T3   SD: 11.8355 c. M: 18.8259 c. 
 27:  2 2 3 2 2 2 3 2 2 2 2 3  SP   D3   SD: 11.4520 c. M: 21.6020 c. 
 29:  2 3 3 1 3 2 3 2 3 1 3 3   P        SD: 9.8205 c. M: 17.1018 c. 
 31:  2 3 3 2 3 2 3 2 3 2 3 3  SP   D3   SD: 5.6378 c. M: 12.2286 c. 
 41:  3 4 4 2 4 3 4 3 4 2 4 4  SP        SD: 5.0398 c. M:-9.1636 c. 
 43:  3 4 4 3 4 3 4 3 4 3 4 4  SP   D3   SD: 4.6459 c. M: 8.6645 c. 
 53:  4 5 5 3 5 4 5 4 5 3 5 5  SP        SD: 4.6002 c. M:-7.5751 c. 
 56:  4 5 6 3 5 4 6 4 5 3 6 5  SP        SD: 4.1070 c. M:-6.4349 c. 
 68:  5 6 7 4 6 5 7 5 6 4 7 6  SP        SD: 3.6178 c. M:-7.6955 c. 
 72:  5 7 7 4 7 5 7 5 7 4 7 7  SP        SD: 2.5160 c. M: 4.9354 c. 
 84:  6 8 8 5 8 6 8 6 8 5 8 8  SP        SD: 2.1077 c. M:-3.8015 c. 
 87:  6 8 9 5 8 6 9 6 8 5 9 8  SP        SD: 1.9421 c. M: 3.3087 c. 
 99:  7 9 10 6 9 7 10 7 9 6 10 9  SP        SD: 1.3536 c. M:-2.6404 c. 
 130: 9 12 13 8 12 9 13 9 12 8 13 12  SP        SD: 1.4693 c. M: 2.7689 c. 
 140: 10 13 14 8 13 10 14 10 13 8 14 13  SP        SD: 1.1178 c. M:-2.1492 c. 
 171: 12 16 17 10 16 12 17 12 16 10 17 16  SP        SD: 0.2975 c. M: 0.5494 c. 
 441: 31 41 44 26 41 31 44 31 41 26 44 41  SP        SD: 0.1392 c. M: 0.2801 c. 
 612: 43 57 61 36 57 43 61 43 57 36 61 57  SP        SD: 0.1089 c. M: 0.1985 c. 
 795: 56 74 79 47 74 56 79 56 74 47 79 74  SP        SD: 0.1023 c. M:-0.2307 c. 
 966: 68 90 96 57 90 68 96 68 90 57 96 90  SP        SD: 0.0773 c. M:-0.1182 c. 
 1236: 87 115 123 73 115 87 123 87 115 73 123 115  SP        SD: 0.0675 c. M: 0.1073 c. 
 1407: 99 131 140 83 131 99 140 99 131 83 140 131  SP        SD: 0.0450 c. M: 0.0763 c. 
 1578: 111 147 157 93 147 111 157 111 147 93 157 147  SP        SD: 0.0500 c. M: 0.1104 c. 
 1988: 140 185 198 117 185 140 198 140 185 117 198 185  SP        SD: 0.0468 c. M:-0.0969 c. 
 2019: 142 188 201 119 188 142 201 142 188 119 201 188  SP        SD: 0.0502 c. M: 0.0923 c. 
 2159: 152 201 215 127 201 152 215 152 201 127 215 201  SP        SD: 0.0343 c. M:-0.0604 c. 
FIT/HARMONIC
 1 x x x x x x x x x x x 2  S SD: 0.0000 cents
 2 x x x x x x 3 x x x x 4  S SD: 0.0000 cents
 3 x x x x 4 x x x 5 x x 6  S SD: 4.5983 cents
 4 x x x 5 x x 6 x x 7 x 8  S SD: 0.0000 cents
 5 x x 6 x x 7 x 8 x 9 x 10  S SD: 11.1748 cents
 6 x x 7 x 8 x 9 x 10 x 11:12  S SD: 10.6491 cents
 7 x 8 x 9 x 10 x 11:12 x 13:14  S SD: 11.3734 cents
 8 x 9 x 10 x 11:12:13 x 14:15:16  S SD: 7.8660 cents
 9 x 10:11 x 12:13 x 14:15:16:17:18  S SD: 8.3786 cents
 10 x 11:12 x 13:14:15:16:17:18:19:20  S SD: 8.3437 cents
 11 x 12:13:14:15 x x 17:18:19:21:22    SD: 11.0538 cents
 12:13 x 14:15:16:17:18:19:20:21:23:24    SD: 7.8453 cents
 13:14:15 x 16:17:18 x 20:22:23:24:26  S SD: 9.8406 cents
 14:15:16:17:18:19:20:21:22:24:25:26:28  S SD: 8.3930 cents
 15:16:17:18:19:20:21:23:24:25:26:28:30    SD: 5.5304 cents
 16:17:18:19:20:21:22:24:25:27:28:30:32    SD: 4.3891 cents
 24:25:27:29:30:32:34:36:38:40:42:45:48    SD: 2.7473 cents
 35:37:39:42:44:47:49:53:55:59:61:66:70    SD: 2.5441 cents
 40:42:45:48:50:53:56:60:63:67:70:75:80    SD: 1.1900 cents
 60:63:67:72:75:80:84:90:95:101:105:113:120    SD: 1.1205 cents
 75:79:84:90:94:100:105:113:118:126:131:141:150    SD: 1.0063 cents
 80:84:90:96:100:107:112:120:126:134:140:150:160    SD: 0.8947 cents
 84:88:94:101:105:112:118:126:132:141:147:158:168    SD: 0.8806 cents
 100:105:112:120:125:133:140:150:158:168:175:188:200    SD: 0.6979 cents
 120:126:134:144:150:160:168:180:189:202:210:225:240    SD: 0.5164 cents
 144:151:161:173:180:192:202:216:227:242:252:270:288    SD: 0.4768 cents
 160:168:179:192:200:213:224:240:252:269:280:300:320    SD: 0.2973 cents
 200:210:224:240:250:267:280:300:315:336:350:375:400    SD: 0.1802 cents
 240:252:269:288:300:320:336:360:378:403:420:450:480    SD: 0.1290 cents
 360:378:403:432:450:480:504:540:567:605:630:675:720    SD: 0.0860 cents
 560:588:627:672:700:747:784:840:882:941:980:1050:1120    SD: 0.0849 cents
 600:630:672:720:750:800:840:900:945:1008:1050:1125:1200  S SD: 0.0000 cents