Subgroup temperaments: Difference between revisions

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= Fractional subgroup temperaments =
= Fractional subgroup temperaments =
== 2.5/3… subgroups ==
== 2.5/3.… subgroups ==
=== Magicaltet ===
=== Magicaltet ===
{{See also| Chromatic pairs #Magicaltet }}
{{See also| Chromatic pairs #Magicaltet }}
Line 1,095: Line 1,095:
[[Tp tuning #T2 tuning|RMS error]]: 0.2444 cents
[[Tp tuning #T2 tuning|RMS error]]: 0.2444 cents


== 2.….7/3… subgroups ==
== 2.….7/3.… subgroups ==
=== Guanyintet ===
=== Guanyintet ===
{{See also | Chromatic pairs #Guanyintet }}
{{See also | Chromatic pairs #Guanyintet }}
Line 1,213: Line 1,213:
[[Tp tuning #T2 tuning|RMS error]]: 1.064 cents
[[Tp tuning #T2 tuning|RMS error]]: 1.064 cents


== 2.….9/7… subgroups ==
== 2.….9/7.… subgroups ==
=== Marveltri ===
=== Marveltri ===
{{See also| Chromatic pairs #Marveltri }}
{{See also| Chromatic pairs #Marveltri }}
Line 1,255: Line 1,255:
[[Tp tuning #T2 tuning|RMS error]]: 1.074 cents
[[Tp tuning #T2 tuning|RMS error]]: 1.074 cents


== 2.….7/5… subgroups ==
== 2.….7/5.… subgroups ==
 
=== Hydrothermal ===
=== Hydrothermal ===
A tuning whose distinctively sharp (but still consonant) fifth, and flat (but still consonant) octave, lend it a mysterious, heavy atmosphere. The 6-tone (hexatonic) MOS is melodically interesting and flavorful. The 18-tone MOS is a useful 'chromatic' scale for taking subsets of.
A tuning whose distinctively sharp (but still consonant) fifth, and flat (but still consonant) octave, lend it a mysterious, heavy atmosphere. The 6-tone (hexatonic) MOS is melodically interesting and flavorful. The 18-tone MOS is a useful 'chromatic' scale for taking subsets of.
Line 1,393: Line 1,392:
[[Tp tuning #T2 tuning|RMS error]]: 0.7521 cents
[[Tp tuning #T2 tuning|RMS error]]: 0.7521 cents


== 2.….11/5… subgroups ==
== 2.….11/5.… subgroups ==
 
=== Petrtri ===
=== Petrtri ===
{{See also| Chromatic pairs #Petrtri }}
{{See also| Chromatic pairs #Petrtri }}
Line 1,452: Line 1,450:


=== Trisect ===
=== Trisect ===
{{Todo|review}}
Trisect divides every Pythagorean interval into three, and is the much more accurate subgroup restriction of [[Augmented family #Trisected|trisected]].
Trisect divides every Pythagorean interval into three, and is the much more accurate subgroup restriction of [[Augmented family #Trisected|trisected]].


Line 1,470: Line 1,467:


==== 2.3.7.11/5.13 subgroup ====
==== 2.3.7.11/5.13 subgroup ====
[[Subgroup]]: 2.3.7.11/5.13
[[Subgroup]]: 2.3.7.11/5.13


Line 1,484: Line 1,480:


==== 2.3.7.11/5.13.17 subgroup ====
==== 2.3.7.11/5.13.17 subgroup ====
[[Subgroup]]: 2.3.7.11/5.13.17
[[Subgroup]]: 2.3.7.11/5.13.17


Line 1,498: Line 1,493:


===== Trisector =====
===== Trisector =====
[[Subgroup]]: 2.3.7.11/5.13.17.19
[[Subgroup]]: 2.3.7.11/5.13.17.19


Line 1,512: Line 1,506:


===== 2.3.7.11/5.13.17.19.23 subgroup =====
===== 2.3.7.11/5.13.17.19.23 subgroup =====
[[Subgroup]]: 2.3.7.11/5.13.17.19.23
[[Subgroup]]: 2.3.7.11/5.13.17.19.23


Line 1,526: Line 1,519:


===== 2.3.7.11/5.13.17.19.23.29 subgroup =====
===== 2.3.7.11/5.13.17.19.23.29 subgroup =====
[[Subgroup]]: 2.3.7.11/5.13.17.19.23.29
[[Subgroup]]: 2.3.7.11/5.13.17.19.23.29


Line 1,539: Line 1,531:
[[Tp tuning #T2 tuning|RMS error]]: ???
[[Tp tuning #T2 tuning|RMS error]]: ???


== 2.….11/7… subgroups ==
== 2.….11/7.… subgroups ==
=== Pepperoni ===
=== Pepperoni ===
{{Main| Parapyth }}
{{Main| Parapyth }}
Line 1,563: Line 1,555:
[[Tp tuning #T2 tuning|RMS error]]: 0.3789 cents
[[Tp tuning #T2 tuning|RMS error]]: 0.3789 cents


== 2.….13/5… subgroups ==
== 2.….13/5.… subgroups ==
=== Barbados ===
=== Barbados ===
The [[minimax tuning]] for this makes the generator the cube root of 20/13, or 248.5953 cents. Edos which may be used for it are [[24edo]], [[29edo]], [[53edo]] and [[111edo]], with [[mos scale]]s of size 5, 9, 14, 19, 24 and 29 making for a good variety of scales.
The [[minimax tuning]] for this makes the generator the cube root of 20/13, or 248.5953 cents. Edos which may be used for it are [[24edo]], [[29edo]], [[53edo]] and [[111edo]], with [[mos scale]]s of size 5, 9, 14, 19, 24 and 29 making for a good variety of scales.
Line 1,633: Line 1,625:
Scales: [[Oceanfront scales]]
Scales: [[Oceanfront scales]]


== 2.….49/5… subgroups ==
== 2.….49/5.… subgroups ==
=== Direct breedsmic ===
=== Direct breedsmic ===
Related temperament: [[hemithirds]], [[newt]]
Related temperament: [[hemithirds]], [[newt]]
Line 1,649: Line 1,641:
[[Tp tuning #T2 tuning|RMS error]]: ?
[[Tp tuning #T2 tuning|RMS error]]: ?


== 3/2.5/2… subgroups ==
== 3/2.5/2.… subgroups ==
{{Main|Half-prime subgroup}}
{{Main|Half-prime subgroup}}


Line 1,738: Line 1,730:
[[Optimal ET sequence]]: [[8edf]], [[11edf]]
[[Optimal ET sequence]]: [[8edf]], [[11edf]]


== 3/2.5/4… subgroups ==
== 3/2.5/4.… subgroups ==
=== Poseidon ===
=== Poseidon ===
'''This temperament will be subjected to renaming due to a conflict.'''
'''This temperament will be subjected to renaming due to a conflict.'''
Line 1,784: Line 1,776:


== 5/2-equave subgroups ==
== 5/2-equave subgroups ==
=== Hyperion ===
=== Hyperion ===
[[Subgroup]]: 5/2.7.11
[[Subgroup]]: 5/2.7.11
Line 1,804: Line 1,795:
* [[Substitute harmonic]] temperaments
* [[Substitute harmonic]] temperaments


<!-- main article -->
[[Category:Subgroup temperaments| ]] <!-- main article -->
 
[[Category:Temperament collections]]
[[Category:Temperament collections]][[Category:Subgroup]]
{{Todo| review | cleanup }}