72edo: Difference between revisions
m →Theory: cleanup |
m →Intervals: cleanup |
||
Line 34: | Line 34: | ||
! Degrees | ! Degrees | ||
! Cents | ! Cents | ||
! Approximate | ! Approximate ratios<ref group="note">{{sg|limit=17-limit}} For lower limits see [[Table of 72edo intervals]].</ref> | ||
! colspan="3" | [[Ups and downs notation | ! colspan="3" | [[Ups and downs notation]] | ||
! colspan="3" |[[SKULO interval names|SKULO interval names and notation]] | ! colspan="3" | [[SKULO interval names|SKULO interval names and notation]] | ||
!(K, S, U) | ! (K, S, U) | ||
|- | |- | ||
| 0 | | 0 | ||
| 0. | | 0.0 | ||
| 1/1 | | 1/1 | ||
| P1 | | P1 | ||
Line 51: | Line 51: | ||
|- | |- | ||
| 1 | | 1 | ||
| 16. | | 16.7 | ||
| 81/80 | | 81/80 | ||
| ^1 | | ^1 | ||
Line 62: | Line 62: | ||
|- | |- | ||
| 2 | | 2 | ||
| 33. | | 33.3 | ||
| 45/44, 64/63 | | 45/44, 64/63 | ||
| ^^ | | ^^ | ||
Line 73: | Line 73: | ||
|- | |- | ||
| 3 | | 3 | ||
| 50. | | 50.0 | ||
| 33/32 | | 33/32 | ||
| ^<sup>3</sup>1, v<sup>3</sup>m2 | | ^<sup>3</sup>1, v<sup>3</sup>m2 | ||
Line 84: | Line 84: | ||
|- | |- | ||
| 4 | | 4 | ||
| 66. | | 66.7 | ||
| 25/24 | | 25/24 | ||
| vvm2 | | vvm2 | ||
Line 95: | Line 95: | ||
|- | |- | ||
| 5 | | 5 | ||
| 83. | | 83.3 | ||
| 21/20 | | 21/20 | ||
| vm2 | | vm2 | ||
Line 106: | Line 106: | ||
|- | |- | ||
| 6 | | 6 | ||
| 100. | | 100.0 | ||
| 35/33, 17/16, 18/17 | | 35/33, 17/16, 18/17 | ||
| m2 | | m2 | ||
Line 117: | Line 117: | ||
|- | |- | ||
| 7 | | 7 | ||
| 116. | | 116.7 | ||
| 15/14, 16/15 | | 15/14, 16/15 | ||
| ^m2 | | ^m2 | ||
Line 128: | Line 128: | ||
|- | |- | ||
| 8 | | 8 | ||
| 133. | | 133.3 | ||
| 27/25, 13/12, 14/13 | | 27/25, 13/12, 14/13 | ||
| ^^m2, v~2 | | ^^m2, v~2 | ||
Line 139: | Line 139: | ||
|- | |- | ||
| 9 | | 9 | ||
| 150. | | 150.0 | ||
| 12/11 | | 12/11 | ||
| ~2 | | ~2 | ||
Line 150: | Line 150: | ||
|- | |- | ||
| 10 | | 10 | ||
| 166. | | 166.7 | ||
| 11/10 | | 11/10 | ||
| ^~2, vvM2 | | ^~2, vvM2 | ||
Line 161: | Line 161: | ||
|- | |- | ||
| 11 | | 11 | ||
| 183. | | 183.3 | ||
| 10/9 | | 10/9 | ||
| vM2 | | vM2 | ||
Line 172: | Line 172: | ||
|- | |- | ||
| 12 | | 12 | ||
| 200. | | 200.0 | ||
| 9/8 | | 9/8 | ||
| M2 | | M2 | ||
Line 183: | Line 183: | ||
|- | |- | ||
| 13 | | 13 | ||
| 216. | | 216.7 | ||
| 25/22, 17/15 | | 25/22, 17/15 | ||
| ^M2 | | ^M2 | ||
Line 194: | Line 194: | ||
|- | |- | ||
| 14 | | 14 | ||
| 233. | | 233.3 | ||
| 8/7 | | 8/7 | ||
| ^^M2 | | ^^M2 | ||
Line 205: | Line 205: | ||
|- | |- | ||
| 15 | | 15 | ||
| 250. | | 250.0 | ||
| 81/70, 15/13 | | 81/70, 15/13 | ||
| ^<sup>3</sup>M2, <br | | ^<sup>3</sup>M2, <br>v<sup>3</sup>m3 | ||
| trupmajor 2nd,<br | | trupmajor 2nd,<br>trudminor 3rd | ||
| ^<sup>3</sup>E, <br | | ^<sup>3</sup>E, <br>v<sup>3</sup>F | ||
| HM2, hm3 | | HM2, hm3 | ||
| hypermajor 2nd, hypominor 3rd | | hypermajor 2nd, hypominor 3rd | ||
Line 216: | Line 216: | ||
|- | |- | ||
| 16 | | 16 | ||
| 266. | | 266.7 | ||
| 7/6 | | 7/6 | ||
| vvm3 | | vvm3 | ||
Line 227: | Line 227: | ||
|- | |- | ||
| 17 | | 17 | ||
| 283. | | 283.3 | ||
| 33/28, 13/11, 20/17 | | 33/28, 13/11, 20/17 | ||
| vm3 | | vm3 | ||
Line 238: | Line 238: | ||
|- | |- | ||
| 18 | | 18 | ||
| 300. | | 300.0 | ||
| 25/21 | | 25/21 | ||
| m3 | | m3 | ||
Line 249: | Line 249: | ||
|- | |- | ||
| 19 | | 19 | ||
| 316. | | 316.7 | ||
| 6/5 | | 6/5 | ||
| ^m3 | | ^m3 | ||
Line 260: | Line 260: | ||
|- | |- | ||
| 20 | | 20 | ||
| 333. | | 333.3 | ||
| 40/33, 17/14 | | 40/33, 17/14 | ||
| ^^m3, v~3 | | ^^m3, v~3 | ||
Line 271: | Line 271: | ||
|- | |- | ||
| 21 | | 21 | ||
| 350. | | 350.0 | ||
| 11/9 | | 11/9 | ||
| ~3 | | ~3 | ||
Line 282: | Line 282: | ||
|- | |- | ||
| 22 | | 22 | ||
| 366. | | 366.7 | ||
| 99/80, 16/13, 21/17 | | 99/80, 16/13, 21/17 | ||
| ^~3, vvM3 | | ^~3, vvM3 | ||
Line 293: | Line 293: | ||
|- | |- | ||
| 23 | | 23 | ||
| 383. | | 383.3 | ||
| 5/4 | | 5/4 | ||
| vM3 | | vM3 | ||
Line 304: | Line 304: | ||
|- | |- | ||
| 24 | | 24 | ||
| 400. | | 400.0 | ||
| 44/35 | | 44/35 | ||
| M3 | | M3 | ||
Line 315: | Line 315: | ||
|- | |- | ||
| 25 | | 25 | ||
| 416. | | 416.7 | ||
| 14/11 | | 14/11 | ||
| ^M3 | | ^M3 | ||
Line 326: | Line 326: | ||
|- | |- | ||
| 26 | | 26 | ||
| 433. | | 433.3 | ||
| 9/7 | | 9/7 | ||
| ^^M3 | | ^^M3 | ||
Line 337: | Line 337: | ||
|- | |- | ||
| 27 | | 27 | ||
| 450. | | 450.0 | ||
| 35/27, 13/10 | | 35/27, 13/10 | ||
| ^<sup>3</sup>M3, v<sup>3</sup>4 | | ^<sup>3</sup>M3, v<sup>3</sup>4 | ||
Line 348: | Line 348: | ||
|- | |- | ||
| 28 | | 28 | ||
| 466. | | 466.7 | ||
| 21/16, 17/13 | | 21/16, 17/13 | ||
| vv4 | | vv4 | ||
Line 359: | Line 359: | ||
|- | |- | ||
| 29 | | 29 | ||
| 483. | | 483.3 | ||
| 33/25 | | 33/25 | ||
| v4 | | v4 | ||
Line 370: | Line 370: | ||
|- | |- | ||
| 30 | | 30 | ||
| 500. | | 500.0 | ||
| 4/3 | | 4/3 | ||
| P4 | | P4 | ||
Line 381: | Line 381: | ||
|- | |- | ||
| 31 | | 31 | ||
| 516. | | 516.7 | ||
| 27/20 | | 27/20 | ||
| ^4 | | ^4 | ||
Line 392: | Line 392: | ||
|- | |- | ||
| 32 | | 32 | ||
| 533. | | 533.3 | ||
| 15/11 | | 15/11 | ||
| ^^4, v~4 | | ^^4, v~4 | ||
Line 403: | Line 403: | ||
|- | |- | ||
| 33 | | 33 | ||
| 550. | | 550.0 | ||
| 11/8 | | 11/8 | ||
| ~4 | | ~4 | ||
Line 414: | Line 414: | ||
|- | |- | ||
| 34 | | 34 | ||
| 566. | | 566.7 | ||
| 25/18, 18/13 | | 25/18, 18/13 | ||
| ^~4, vvA4 | | ^~4, vvA4 | ||
Line 425: | Line 425: | ||
|- | |- | ||
| 35 | | 35 | ||
| 583. | | 583.3 | ||
| 7/5 | | 7/5 | ||
| vA4, vd5 | | vA4, vd5 | ||
| downaug 4th, | | downaug 4th, <br>downdim 5th | ||
downdim 5th | |||
| vG#, vAb | | vG#, vAb | ||
| kA4, ld5 | | kA4, ld5 | ||
Line 437: | Line 436: | ||
|- | |- | ||
| 36 | | 36 | ||
| 600. | | 600.0 | ||
| 99/70, 17/12 | | 99/70, 17/12 | ||
| A4, d5 | | A4, d5 | ||
Line 448: | Line 447: | ||
|- | |- | ||
| 37 | | 37 | ||
| 616. | | 616.7 | ||
| 10/7 | | 10/7 | ||
| ^A4, ^d5 | | ^A4, ^d5 | ||
Line 459: | Line 458: | ||
|- | |- | ||
| 38 | | 38 | ||
| 633. | | 633.3 | ||
| 36/25, 13/9 | | 36/25, 13/9 | ||
| v~5, ^^d5 | | v~5, ^^d5 | ||
| downmid 5th, | | downmid 5th, <br>dupdim 5th | ||
dupdim 5th | |||
| ^^Ab | | ^^Ab | ||
| SA4, KKd5 | | SA4, KKd5 | ||
Line 471: | Line 469: | ||
|- | |- | ||
| 39 | | 39 | ||
| 650. | | 650.0 | ||
| 16/11 | | 16/11 | ||
| ~5 | | ~5 | ||
Line 482: | Line 480: | ||
|- | |- | ||
| 40 | | 40 | ||
| 666. | | 666.7 | ||
| 22/15 | | 22/15 | ||
| vv5, ^~5 | | vv5, ^~5 | ||
Line 493: | Line 491: | ||
|- | |- | ||
| 41 | | 41 | ||
| 683. | | 683.3 | ||
| 40/27 | | 40/27 | ||
| v5 | | v5 | ||
Line 504: | Line 502: | ||
|- | |- | ||
| 42 | | 42 | ||
| 700. | | 700.0 | ||
| 3/2 | | 3/2 | ||
| P5 | | P5 | ||
Line 515: | Line 513: | ||
|- | |- | ||
| 43 | | 43 | ||
| 716. | | 716.7 | ||
| 50/33 | | 50/33 | ||
| ^5 | | ^5 | ||
Line 526: | Line 524: | ||
|- | |- | ||
| 44 | | 44 | ||
| 733. | | 733.3 | ||
| 32/21 | | 32/21 | ||
| ^^5 | | ^^5 | ||
Line 537: | Line 535: | ||
|- | |- | ||
| 45 | | 45 | ||
| 750. | | 750.0 | ||
| 54/35, 17/11 | | 54/35, 17/11 | ||
| ^<sup>3</sup>5, v<sup>3</sup>m6 | | ^<sup>3</sup>5, v<sup>3</sup>m6 | ||
Line 548: | Line 546: | ||
|- | |- | ||
| 46 | | 46 | ||
| 766. | | 766.7 | ||
| 14/9 | | 14/9 | ||
| vvm6 | | vvm6 | ||
Line 559: | Line 557: | ||
|- | |- | ||
| 47 | | 47 | ||
| 783. | | 783.3 | ||
| 11/7 | | 11/7 | ||
| vm6 | | vm6 | ||
Line 570: | Line 568: | ||
|- | |- | ||
| 48 | | 48 | ||
| 800. | | 800.0 | ||
| 35/22 | | 35/22 | ||
| m6 | | m6 | ||
Line 581: | Line 579: | ||
|- | |- | ||
| 49 | | 49 | ||
| 816. | | 816.7 | ||
| 8/5 | | 8/5 | ||
| ^m6 | | ^m6 | ||
Line 592: | Line 590: | ||
|- | |- | ||
| 50 | | 50 | ||
| 833. | | 833.3 | ||
| 81/50, 13/8 | | 81/50, 13/8 | ||
| ^^m6, v~6 | | ^^m6, v~6 | ||
Line 603: | Line 601: | ||
|- | |- | ||
| 51 | | 51 | ||
| 850. | | 850.0 | ||
| 18/11 | | 18/11 | ||
| ~6 | | ~6 | ||
Line 614: | Line 612: | ||
|- | |- | ||
| 52 | | 52 | ||
| 866. | | 866.7 | ||
| 33/20, 28/17 | | 33/20, 28/17 | ||
| ^~6, vvM6 | | ^~6, vvM6 | ||
Line 625: | Line 623: | ||
|- | |- | ||
| 53 | | 53 | ||
| 883. | | 883.3 | ||
| 5/3 | | 5/3 | ||
| vM6 | | vM6 | ||
Line 636: | Line 634: | ||
|- | |- | ||
| 54 | | 54 | ||
| 900. | | 900.0 | ||
| 27/16 | | 27/16 | ||
| M6 | | M6 | ||
Line 647: | Line 645: | ||
|- | |- | ||
| 55 | | 55 | ||
| 916. | | 916.7 | ||
| 56/33, 17/10 | | 56/33, 17/10 | ||
| ^M6 | | ^M6 | ||
Line 658: | Line 656: | ||
|- | |- | ||
| 56 | | 56 | ||
| 933. | | 933.3 | ||
| 12/7 | | 12/7 | ||
| ^^M6 | | ^^M6 | ||
Line 669: | Line 667: | ||
|- | |- | ||
| 57 | | 57 | ||
| 950. | | 950.0 | ||
| 121/70 | | 121/70 | ||
| ^<sup>3</sup>M6, <br | | ^<sup>3</sup>M6, <br>v<sup>3</sup>m7 | ||
| trupmajor 6th,<br | | trupmajor 6th,<br>trudminor 7th | ||
| ^<sup>3</sup>B, <br | | ^<sup>3</sup>B, <br>v<sup>3</sup>C | ||
| HM6, hm7 | | HM6, hm7 | ||
| hypermajor 6th, hypominor 7th | | hypermajor 6th, hypominor 7th | ||
Line 680: | Line 678: | ||
|- | |- | ||
| 58 | | 58 | ||
| 966. | | 966.7 | ||
| 7/4 | | 7/4 | ||
| vvm7 | | vvm7 | ||
Line 691: | Line 689: | ||
|- | |- | ||
| 59 | | 59 | ||
| 983. | | 983.3 | ||
| 44/25 | | 44/25 | ||
| vm7 | | vm7 | ||
Line 702: | Line 700: | ||
|- | |- | ||
| 60 | | 60 | ||
| 1000. | | 1000.0 | ||
| 16/9 | | 16/9 | ||
| m7 | | m7 | ||
Line 713: | Line 711: | ||
|- | |- | ||
| 61 | | 61 | ||
| 1016. | | 1016.7 | ||
| 9/5 | | 9/5 | ||
| ^m7 | | ^m7 | ||
Line 724: | Line 722: | ||
|- | |- | ||
| 62 | | 62 | ||
| 1033. | | 1033.3 | ||
| 20/11 | | 20/11 | ||
| ^^m7, v~7 | | ^^m7, v~7 | ||
Line 735: | Line 733: | ||
|- | |- | ||
| 63 | | 63 | ||
| 1050. | | 1050.0 | ||
| 11/6 | | 11/6 | ||
| ~7 | | ~7 | ||
Line 746: | Line 744: | ||
|- | |- | ||
| 64 | | 64 | ||
| 1066. | | 1066.7 | ||
| 50/27 | | 50/27 | ||
| ^~7, vvM7 | | ^~7, vvM7 | ||
Line 757: | Line 755: | ||
|- | |- | ||
| 65 | | 65 | ||
| 1083. | | 1083.3 | ||
| 15/8 | | 15/8 | ||
| vM7 | | vM7 | ||
Line 768: | Line 766: | ||
|- | |- | ||
| 66 | | 66 | ||
| 1100. | | 1100.0 | ||
| 66/35, 17/9 | | 66/35, 17/9 | ||
| M7 | | M7 | ||
Line 779: | Line 777: | ||
|- | |- | ||
| 67 | | 67 | ||
| 1116. | | 1116.7 | ||
| 21/11 | | 21/11 | ||
| ^M7 | | ^M7 | ||
Line 790: | Line 788: | ||
|- | |- | ||
| 68 | | 68 | ||
| 1133. | | 1133.3 | ||
| 27/14, 48/25 | | 27/14, 48/25 | ||
| ^^M7 | | ^^M7 | ||
Line 801: | Line 799: | ||
|- | |- | ||
| 69 | | 69 | ||
| 1150. | | 1150.0 | ||
| 35/18 | | 35/18 | ||
| ^<sup>3</sup>M7, v<sup>3</sup>8 | | ^<sup>3</sup>M7, v<sup>3</sup>8 | ||
Line 812: | Line 810: | ||
|- | |- | ||
| 70 | | 70 | ||
| 1166. | | 1166.7 | ||
| 49/25 | | 49/25 | ||
| vv8 | | vv8 | ||
Line 823: | Line 821: | ||
|- | |- | ||
| 71 | | 71 | ||
| 1183. | | 1183.3 | ||
| 99/50 | | 99/50 | ||
| v8 | | v8 | ||
Line 834: | Line 832: | ||
|- | |- | ||
| 72 | | 72 | ||
| 1200. | | 1200.0 | ||
| 2/1 | | 2/1 | ||
| P8 | | P8 | ||
Line 852: | Line 850: | ||
! Quality | ! Quality | ||
! [[Color notation|Color]] | ! [[Color notation|Color]] | ||
! Monzo | ! Monzo format | ||
! Examples | ! Examples | ||
|- | |- | ||
Line 862: | Line 860: | ||
| minor | | minor | ||
| fourthward wa | | fourthward wa | ||
| (a b), b | | (a b), b < -1 | ||
| 32/27, 16/9 | | 32/27, 16/9 | ||
|- | |- | ||
Line 870: | Line 868: | ||
| 6/5, 9/5 | | 6/5, 9/5 | ||
|- | |- | ||
| rowspan="2" |dupminor, | | rowspan="2" | dupminor, <br>downmid | ||
downmid | |||
| luyo | | luyo | ||
| (a b 1 0 -1) | | (a b 1 0 -1) | ||
Line 889: | Line 886: | ||
| 12/11, 18/11 | | 12/11, 18/11 | ||
|- | |- | ||
| rowspan="2" |upmid, | | rowspan="2" | upmid, <br>dudmajor | ||
dudmajor | |||
| logu | | logu | ||
| (a b -1 0 1) | | (a b -1 0 1) | ||
Line 906: | Line 902: | ||
| major | | major | ||
| fifthward wa | | fifthward wa | ||
| (a b), b | | (a b), b > 1 | ||
| 9/8, 27/16 | | 9/8, 27/16 | ||
|- | |- | ||
Line 914: | Line 910: | ||
| 9/7, 12/7 | | 9/7, 12/7 | ||
|- | |- | ||
| rowspan="2" |trupmajor, | | rowspan="2" | trupmajor, <br>trudminor | ||
trudminor | | thogu | ||
|thogu | | (a b -1 0 0 1) | ||
|(a b -1 0 0 1) | | 13/10 | ||
|13/10 | |||
|- | |- | ||
|thuyo | | thuyo | ||
|(a b 1 0 0 -1) | | (a b 1 0 0 -1) | ||
|15/13 | | 15/13 | ||
|} | |} | ||
All 72edo chords can be named using ups and downs. An up, down or mid after the chord root affects the 3rd, 6th, 7th, and/or the 11th (every other note of a stacked-3rds chord 6-1-3-5-7-9-11-13). Alterations are always enclosed in parentheses, additions never are. Here are the zo, gu, ilo, yo and ru triads: | All 72edo chords can be named using ups and downs. An up, down or mid after the chord root affects the 3rd, 6th, 7th, and/or the 11th (every other note of a stacked-3rds chord 6-1-3-5-7-9-11-13). Alterations are always enclosed in parentheses, additions never are. Here are the zo, gu, ilo, yo and ru triads: | ||
Line 928: | Line 923: | ||
{| class="wikitable center-all" | {| class="wikitable center-all" | ||
|- | |- | ||
! [[ | ! [[Color notation|Color of the 3rd]] | ||
! JI | ! JI chord | ||
! Notes as | ! Notes as edosteps | ||
! Notes of C | ! Notes of C chord | ||
! Written | ! Written name | ||
! Spoken | ! Spoken name | ||
|- | |- | ||
| zo | | zo | ||
Line 973: | Line 968: | ||
=== Relationship between primes and rings === | === Relationship between primes and rings === | ||
In 72tet, there are 6 [[ | In 72tet, there are 6 [[ring number|rings]]. 12edo is the plain ring; thus every 6 degrees is the 3-limit. | ||
Then, after each subsequent degree in reverse, a new prime limit is unveiled from it: | Then, after each subsequent degree in reverse, a new prime limit is unveiled from it: | ||
* | * −1 degree (the down ring) corrects 81/64 to 5/4 via 80/81 | ||
* | * −2 degrees (the dud ring) corrects 16/9 to 7/4 via 63/64 | ||
* +3 degrees (the trup ring) corrects 4/3 to 11/8 via 33/32 | * +3 degrees (the trup ring) corrects 4/3 to 11/8 via 33/32 | ||
* +2 degrees (the dup ring) corrects 128/81 to 13/8 via 1053/1024 | * +2 degrees (the dup ring) corrects 128/81 to 13/8 via 1053/1024 |