Tetrahanson: Difference between revisions

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=== {{nowrap|b39 & b15}} ===
=== {{nowrap|b39 & b15}} ===
This is restriction of [[catalan]] extension. This can maintain the structure of the 3rd-octave period in 3.4.5, 3.5.11, and 3.5.13. Well, 3.4.5 and 3.5.13, which do not include 7 nor 11 in their basis, should simply be called tetrahanson (and no-twos cata, respectively).
This is restriction of [[catalan]] extension. This can maintain the structure of the 3rd-octave period in 3.4.5, 3.5.11, and 3.5.13. Well, 3.4.5 and 3.5.13, which do not include 7 nor 11 in their basis, should simply be called tetrahanson (and no-twos cata, respectively). Another point that must be noted is the tetracatakleismic on 3.4.5.14.


{| class="wikitable"
{| class="wikitable"
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<nowiki />* In 3.5.11.13-subgroup 13-throdd-limit minimax tuning  
<nowiki />* In 3.5.11.13-subgroup 13-throdd-limit minimax tuning  


* [https://scaleworkshop.plainsound.org/scale/KXnc-_xfK] – 15-note scale ({{sl|9L 6s}}, sLsLLsLsLLsLsLL)
* [https://scaleworkshop.plainsound.org/scale/KXnc-_xfK] – 15-note scale ({{mos scalesig|9L 6s<3/1>|link=1}}, sLsLLsLsLLsLsLL)
* 2\3edt-equivalent [[Muddle]]s:
** sLsLLsLsLL parent with 2112121 target gives LsmLmLm minor? heptatonic
** sLLsLsLLsL parent with 2112121 target gives LmsLmLm major? heptatonic


{| class="wikitable"
{| class="wikitable"
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|-
|-
! ET<br />generator
! ET<br />generator
! [[Eigenmonzo|Eigenmonzo<br />(unchanged-interval)]]
! [[Eigenmonzo|Eigenmonzo<br />(unchanged interval)]]
! Generator (¢)
! Generator (¢)
! Comments
! Comments
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|}
|}


[[Category:Temperaments]]
[[Category:Tetrahanson| ]] <!-- main article -->
[[Category:Nonoctave]]
[[Category:Rank-2 temperaments]]
[[Category:Non-octave temperaments]]