Octoid: Difference between revisions
Removed redirect to Ragismic microtemperaments#Octoid Tags: Removed redirect Mobile edit Mobile web edit |
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| Mapping = 8; 3 4 5 3 | | Mapping = 8; 3 4 5 3 | ||
| Generators = 7/5 | | Generators = 7/5 | ||
| Generators tuning = 583. | | Generators tuning = 583.9 | ||
| Optimization method = CWE | | Optimization method = CWE | ||
| MOS scales = [[8L 64s]], [[72L 8s]] | | MOS scales = [[8L 64s]], [[72L 8s]] | ||
| Pergen = (P8/8, P4/3) | | Pergen = (P8/8, P4/3) | ||
| Odd limit 1 = 11 | Mistuning 1 = 1.29 | Complexity 1 = 56 | |||
| Odd limit 1 = 11 | Mistuning 1 = 1. | | Odd limit 2 = 11-limit 15 | Mistuning 2 = 1.47 | Complexity 2 = 64 | ||
| Odd limit 2 = 11-limit 15 | Mistuning 2 = 1. | |||
}} | }} | ||
'''Octoid''' is a [[regular temperament]] which takes a [[period]] of | '''Octoid''' is a [[regular temperament|temperament]] which takes a [[period]] of 1/8 octave, which represents [[12/11]], and adds a single [[generator]] which represents [[6/5]], [[7/5]], [[9/7]] or [[11/10]]. It [[tempering out|tempers out]] [[4375/4374]] and [[16875/16807]] in the 7-limit, and [[540/539]], [[1375/1372]], and [[4000/3993]] in the 11-limit. | ||
There are some extensions for the 13-limit including tridecimal octoid {{nowrap|(72 & 224)}} and octopus {{nowrap|(72 & 80)}}. | There are some extensions for the 13-limit including tridecimal octoid {{nowrap|(72 & 224)}} and octopus {{nowrap|(72 & 80)}}. | ||
See [[ | See [[Stearnsmic clan #Octoid]] for technical details. | ||
== Interval chain == | == Interval chain == | ||
| Line 101: | Line 100: | ||
| [[9/5]] | | [[9/5]] | ||
| 1167.895 | | 1167.895 | ||
| [[49/25]] | | [[49/25]], [[55/28]] | ||
|- | |- | ||
| 3 | | 3 | ||
| Line 131: | Line 130: | ||
| [[15/11]] | | [[15/11]] | ||
| 685.791 | | 685.791 | ||
| | | [[49/33]] | ||
| 835.791 | | 835.791 | ||
| | | | ||
| Line 179: | Line 178: | ||
| [[45/44]], [[49/48]] | | [[45/44]], [[49/48]] | ||
| 187.634 | | 187.634 | ||
| | | [[49/44]] | ||
| 337.634 | | 337.634 | ||
| | | | ||
| Line 249: | Line 248: | ||
| POTE: ~7/5 = 583.9622{{c}} | | POTE: ~7/5 = 583.9622{{c}} | ||
|} | |} | ||
=== Tuning spectrum === | |||
{| class="wikitable center-all left-4" | |||
|- | |||
! Edo <br>generator | |||
! [[Eigenmonzo|Unchanged interval <br>(eigenmonzo)]]* | |||
! Generator (¢) | |||
! Comments | |||
|- | |||
| 1\8 | |||
| | |||
| 150.000 | |||
| 8d val, lower bound of 7-odd-limit diamond monotone | |||
|- | |||
| 12\88 | |||
| | |||
| 163.636 | |||
| 88bcde val, lower bound of 9- and 11-odd-limit diamond monotone | |||
|- | |||
| | |||
| 9/7 | |||
| 164.916 | |||
| | |||
|- | |||
| 11\80 | |||
| | |||
| 165.000 | |||
| | |||
|- | |||
| | |||
| 11/10 | |||
| 165.004 | |||
| | |||
|- | |||
| 32\232 | |||
| | |||
| 165.517 | |||
| 232d val | |||
|- | |||
| | |||
| 5/3 | |||
| 165.641 | |||
| | |||
|- | |||
| 21\152 | |||
| | |||
| 165.789 | |||
| | |||
|- | |||
| | |||
| 11/9 | |||
| 165.803 | |||
| | |||
|- | |||
| | |||
| 5/4 | |||
| 165.922 | |||
| 5-odd-limit minimax | |||
|- | |||
| 52\376 | |||
| | |||
| 165.957 | |||
| | |||
|- | |||
| | |||
| 3/2 | |||
| 166.015 | |||
| 11-limit 15-odd-limit minimax | |||
|- | |||
| 31\224 | |||
| | |||
| 166.071 | |||
| | |||
|- | |||
| | |||
| 9/5 | |||
| 166.202 | |||
| 9- and 11-odd-limit minimax | |||
|- | |||
| 41\296 | |||
| | |||
| 166.216 | |||
| | |||
|- | |||
| | |||
| 11/8 | |||
| 166.227 | |||
| | |||
|- | |||
| | |||
| 7/4 | |||
| 166.235 | |||
| 7-odd-limit minimax | |||
|- | |||
| | |||
| 11/7 | |||
| 166.246 | |||
| | |||
|- | |||
| | |||
| 7/6 | |||
| 166.565 | |||
| | |||
|- | |||
| 10\72 | |||
| | |||
| 166.667 | |||
| | |||
|- | |||
| | |||
| 7/5 | |||
| 167.488 | |||
| | |||
|- | |||
| 9\64 | |||
| | |||
| 168.750 | |||
| 64cd val, upper bound of 9- and 11-odd-limit diamond monotone | |||
|- | |||
| 8\56 | |||
| | |||
| 171.429 | |||
| 56bccdde val, upper bound of 7-odd-limit diamond monotone | |||
|} | |||
<nowiki/>* Besides the octave | |||
== Music == | == Music == | ||
| Line 256: | Line 380: | ||
[[Category:Rank-2 temperaments]] | [[Category:Rank-2 temperaments]] | ||
[[Category:Ragismic microtemperaments]] | [[Category:Ragismic microtemperaments]] | ||
[[Category: | [[Category:Canopic clan]] | ||
[[Category:Stearnsmic clan]] | [[Category:Stearnsmic clan]] | ||