Diaschismic extensions: Difference between revisions
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srutal is complex enough to necessitate another table |
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Both of these can be extended straightforwardly to the [[11-limit|11-]], [[13-limit|13-]], and [[17-limit]] by adding 176/175, 352/351, and 221/220 to the comma list in this order. | Both of these can be extended straightforwardly to the [[11-limit|11-]], [[13-limit|13-]], and [[17-limit]] by adding 176/175, 352/351, and 221/220 to the comma list in this order. | ||
== Interval chains | == Interval chains == | ||
=== Diaschismic === | |||
<div><div style="display: inline-grid; margin-right: 25px;"> | <div><div style="display: inline-grid; margin-right: 25px;"> | ||
{| class="wikitable center-1 right-2" | {| class="wikitable center-1 right-2" | ||
|+ style="font-size: 105%;" | First period | |+ style="font-size: 105%;" | First period | ||
|- | |- | ||
! rowspan="3" | # !! rowspan="3" | Cents* !! colspan=" | ! rowspan="3" | # !! rowspan="3" | Cents* !! colspan="2" | Approximate Ratios | ||
|- | |- | ||
! rowspan="2" | 2.3.5.17 subgroup !! | ! rowspan="2" | 2.3.5.17 subgroup !! Intervals of 7 | ||
|- | |- | ||
| −8 || 220.3 || 100/81 || 21/17, 56/45 | |||
|- | |- | ||
| − | | −7 || 440.6 || 125/96 || '''21/16''', 112/85 | ||
|- | |- | ||
| − | | −6 || 660.9 || 25/18 || 7/5 | ||
|- | |- | ||
| − | | −5 || 881.1 || 25/24 || 21/20 | ||
|- | |- | ||
| − | | −4 || 1101.4 || 10/9, 75/68 || 28/25 | ||
|- | |- | ||
| − | | −3 || 1321.7 || 20/17, 32/27 || 119/100 | ||
|- | |- | ||
| − | | −2 || 1542.0 || '''5/4''', 34/27, 64/51 || 63/50 | ||
|- | |- | ||
| − | | −1 || 1762.2 || 4/3, 45/34 || 168/125 | ||
|- | |- | ||
| | | 0 || 0.0 || '''1/1''' || 126/125 | ||
|- | |- | ||
| | | 1 || 220.3 || 16/15, '''17/16''', 18/17 || | ||
|- | |- | ||
| | | 2 || 440.6 || '''9/8''', 17/15 || 125/112 | ||
|- | |- | ||
| | | 3 || 660.9 || 6/5, 81/68 || 25/21 | ||
|- | |- | ||
| | | 4 || 881.1 || 32/25, 51/40, 81/64 || 80/63 | ||
|- | |- | ||
| | | 5 || 1101.4 || 27/20, 34/25 || 75/56, 85/63 | ||
|- | |- | ||
| | | 6 || 1321.7 || 51/50, 81/80 || 85/84 | ||
|- | |- | ||
| | | 7 || 1542.0 || 27/25 || 15/14, 68/63 | ||
|- | |- | ||
| 8 || 1762.2 || 144/125 || 8/7 | |||
| 8 || 1762.2 || 144/125 | |||
|} | |} | ||
<nowiki />* In 3.5.7-targeted [[DKW theory|DKW]] tuning for [[BPS]] | <nowiki />* In 3.5.7-targeted [[DKW theory|DKW]] tuning for [[BPS]] | ||
| Line 73: | Line 72: | ||
|+ style="font-size: 105%;" | Second period | |+ style="font-size: 105%;" | Second period | ||
|- | |- | ||
! rowspan="3" | # !! rowspan="3" | Cents* !! colspan=" | ! rowspan="3" | # !! rowspan="3" | Cents* !! colspan="2" | Approximate Ratios | ||
|- | |- | ||
! | ! rowspan="2" | 2.3.5.17 subgroup !! Intervals of 7 | ||
|- | |- | ||
| −8 || 1762.2 || 125/72 | | −8 || 1762.2 || 125/72 || '''7/4''' | ||
|- | |- | ||
| −7 || 1542.0 || 50/27 | | −7 || 1542.0 || 50/27 || 28/15, 63/34 | ||
|- | |- | ||
| −6 || 1321.7 || 100/51, 160/81 | | −6 || 1321.7 || 100/51, 160/81 || 168/85 | ||
|- | |- | ||
| −5 || 1101.4 || 40/27, 25/17 | | −5 || 1101.4 || 40/27, 25/17 || 112/75, 126/85 | ||
|- | |- | ||
| −4 || 881.1 || '''25/16''', 80/51, 128/81 | | −4 || 881.1 || '''25/16''', 80/51, 128/81 || 63/40 | ||
|- | |- | ||
| −3 || 660.9 || 5/3, 136/81 | | −3 || 660.9 || 5/3, 136/81 || 42/25 | ||
|- | |- | ||
| −2 || 440.6 || 16/9, 30/17 | | −2 || 440.6 || 16/9, 30/17 || 224/125 | ||
|- | |- | ||
| −1 || 220.3 || '''15/8''', 17/9, 32/17 | | −1 || 220.3 || '''15/8''', 17/9, 32/17 || | ||
|- | |- | ||
| 0 || 0.0 || 17/12, 24/17, 45/32, 64/45 | | 0 || 0.0 || 17/12, 24/17, 45/32, 64/45 || | ||
|- | |- | ||
| 1 || 1762.2 || '''3/2''', 68/45 | | 1 || 1762.2 || '''3/2''', 68/45 || 125/84 | ||
|- | |- | ||
| 2 || 1542.0 || 8/5, 27/17, 51/32 | | 2 || 1542.0 || 8/5, 27/17, 51/32 || 100/63 | ||
|- | |- | ||
| 3 || 1321.7 || 17/10, '''27/16''' | | 3 || 1321.7 || 17/10, '''27/16''' || 200/119 | ||
|- | |- | ||
| 4 || 1101.4 || 9/5, 136/75 | | 4 || 1101.4 || 9/5, 136/75 || 25/14 | ||
|- | |- | ||
| 5 || 881.1 || 48/25 | | 5 || 881.1 || 48/25 || 40/21 | ||
|- | |- | ||
| 6 || 660.9 || 36/25 | | 6 || 660.9 || 36/25 || 10/7 | ||
|- | |- | ||
| 7 || 440.6 || 192/125 | | 7 || 440.6 || 192/125 || 32/21, 85/56 | ||
|- | |- | ||
| 8 || 220.3 || 81/50 | | 8 || 220.3 || 81/50 || 34/21, 45/28 | ||
|} | |} | ||
<nowiki />* In 3.5.7-targeted [[DKW theory|DKW]] tuning for [[BPS]] | <nowiki />* In 3.5.7-targeted [[DKW theory|DKW]] tuning for [[BPS]] | ||