[tuning-math] 38 linear 7-limit temperaments compatible with 12-et

  • From: Gene W Smith <genewardsmith@xxxxxxxx>
  • To: tuning-math@xxxxxxxxxxxxxxx
  • Date: Thu, 18 Jul 2002 03:18:02 -0700

Here is raw material for exotic 12-tone tunings and multiple keyboard
experiments, not to mention a lot of old friends.

I think I've seen this one before:
[1, 4, 10, 12, -13, 4]   [[1, 0, -4, -13], [0, 1, 4, 10]]

comp   5.322447240   rms   3.665035228   bad   103.8247475

Here's a microtemperament for multi-keyboard enthusiasts:
[3, -24, -54, -58, 94, -45]   [[3, 0, 45, 94], [0, 1, -8, -18]]

comp   31.51783075   rms   .1469057415   bad   145.9322934


[2, -4, -4, 2, 12, -11]   [[2, 0, 11, 12], [0, 1, -2, -2]]

comp   3.938677761   rms   10.90317755   bad   169.1429833


[3, 0, -6, -14, 18, -7]   [[3, 0, 7, 18], [0, 1, 0, -2]]

comp   4.631825456   rms   8.100678834   bad   173.7904007


[4, 4, 4, -2, 5, -3]   [[4, 0, 3, 5], [0, 1, 1, 1]]

comp   3.144366918   rms   19.13699259   bad   189.2082747


[1, 4, -2, -16, 6, 4]   [[1, 0, -4, 6], [0, 1, 4, -2]]

comp   3.128478105   rms   20.16328150   bad   197.3456024

It worked for Helmholtz
[1, -8, -14, -10, 25, -15]   [[1, 0, 15, 25], [0, 1, -8, -14]]

comp   8.612526914   rms   2.859336356   bad   212.0930465


[3, 0, 6, 14, -1, -7]   [[3, 0, 7, -1], [0, 1, 0, 2]]

comp   3.675273386   rms   16.59867843   bad   224.2088808

This has possibilities
[0, 12, 24, 22, -38, 19]   [[12, 19, 0, -22], [0, 0, 1, 2]]

comp   13.76571634   rms   1.496892545   bad   283.6535726

Another interesting one
[3, -12, -30, -36, 56, -26]   [[3, 0, 26, 56], [0, 1, -4, -10]]

comp   17.83027719   rms   .8942129314   bad   284.2870884


[2, 8, 8, -4, -7, 8]   [[2, 0, -8, -7], [0, 1, 4, 4]]

comp   5.343650829   rms   11.21894132   bad   320.3524287


[2, -4, -16, -26, 31, -11]   [[2, 0, 11, 31], [0, 1, -2, -8]]

comp   9.469818377   rms   3.821630536   bad   342.7141199


[4, -8, -20, -24, 43, -22]   [[4, 0, 22, 43], [0, 1, -2, -5]]

comp   12.75555760   rms   2.220377240   bad   361.2648129


[5, -4, -10, -12, 30, -18]   [[1, 2, 2, 2], [0, 5, -4, -10]]

comp   8.009157500   rms   6.041345016   bad   387.5317655


[6, 0, 0, 0, 17, -14]   [[6, 0, 14, 17], [0, 1, 0, 0]]

comp   4.716550378   rms   18.04292374   bad   401.3801294


[0, 0, 12, 28, -19, 0]   [[12, 19, 28, 0], [0, 0, 0, 1]]

comp   6.904855942   rms   9.840803062   bad   469.1803177


[4, -20, -44, -46, 81, -41]   [[4, 0, 41, 81], [0, 1, -5, -11]]

comp   26.35358322   rms   .6908190406   bad   479.7816635


[2, -16, -40, -48, 69, -30]   [[2, 0, 30, 69], [0, 1, -8, -20]]

comp   23.01717204   rms   .9641797248   bad   510.8129776


[5, 8, 2, -18, 11, 1]   [[1, 2, 3, 3], [0, 5, 8, 2]]

comp   5.083424305   rms   21.64417648   bad   559.3115508


[1, -8, -2, 18, 6, -15]   [[1, 0, 15, 6], [0, 1, -8, -2]]

comp   5.398824730   rms   19.66911204   bad   573.3016760


[3, 12, 18, 8, -20, 12]   [[3, 0, -12, -20], [0, 1, 4, 6]]

comp   10.19699576   rms   5.782918708   bad   601.3004996


[7, 4, 10, 12, 4, -10]   [[1, 1, 2, 2], [0, 7, 4, 10]]

comp   6.082925309   rms   16.44388527   bad   608.4563190


[2, -4, 8, 30, -7, -11]   [[2, 0, 11, -7], [0, 1, -2, 4]]

comp   6.058298120   rms   18.06996660   bad   663.2215524


[1, -8, -26, -38, 44, -15]   [[1, 0, 15, 44], [0, 1, -8, -26]]

comp   14.64779855   rms   3.106171476   bad   666.4539470


[0, 12, 12, -6, -19, 19]   [[12, 19, 0, 6], [0, 0, 1, 1]]

comp   8.845819922   rms   10.15948550   bad   794.9648068


[5, -16, -34, -34, 68, -37]   [[1, 2, 1, 0], [0, 5, -16, -34]]

comp   21.26748532   rms   1.787147240   bad   808.3372977


[6, 12, 12, -6, -2, 5]   [[6, 0, -5, -2], [0, 1, 2, 2]]

comp   7.833907871   rms   13.63960404   bad   837.0640348


[9, 0, -6, -14, 35, -21]   [[3, 1, 7, 11], [0, 3, 0, -2]]

comp   8.596026672   rms   11.94435731   bad   882.5885631


[8, -4, -4, 2, 29, -25]   [[4, 1, 12, 14], [0, 2, -1, -1]]

comp   8.101297218   rms   14.29026872   bad   937.8848637


[6, -12, -24, -22, 55, -33]   [[6, 0, 33, 55], [0, 1, -2, -4]]

comp   16.33270964   rms   3.600727660   bad   960.5207638


[7, -8, -14, -10, 42, -29]   [[1, 1, 3, 4], [0, 7, -8, -14]]

comp   11.74162535   rms   7.012328960   bad   966.7601028


[3, 0, -18, -42, 37, -7]   [[3, 0, 7, 37], [0, 1, 0, -6]]

comp   11.16933529   rms   8.439018022   bad   1052.801683


[9, 0, 6, 14, 16, -21]   [[3, 1, 7, 6], [0, 3, 0, 2]]

comp   7.074825566   rms   21.62618964   bad   1082.459061


[6, -12, -36, -50, 74, -33]   [[6, 0, 33, 74], [0, 1, -2, -6]]

comp   22.11900171   rms   2.367078438   bad   1158.093686


[9, 12, 6, -20, 16, -2]   [[3, 1, 2, 6], [0, 3, 4, 2]]

comp   7.852968657   rms   21.26148578   bad   1311.177048


[10, 4, 16, 26, 3, -17]   [[2, 4, 5, 7], [0, 5, 2, 8]]

comp   9.546317939   rms   16.25734866   bad   1481.567725


[1, -8, 10, 46, -13, -15]   [[1, 0, 15, -13], [0, 1, -8, 10]]

comp   8.914766865   rms   18.78088561   bad   1492.574604


[2, -16, -16, 8, 31, -30]   [[2, 0, 30, 31], [0, 1, -8, -8]]

comp   12.60828383   rms   10.10704662   bad   1606.705286



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