Modus: Difference between revisions

Tunings: + norm-based tunings
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| Generators tuning = 176.8
| Generators tuning = 176.8
| Optimization method = CWE
| Optimization method = CWE
| MOS scales = [[6L 1s]], [[7L 6s]], [[7L 13s]], [[7L 20s]]
| MOS scales = [[6L 1s]], [[7L 6s]], [[7L 13s]], [[7L 20s]]
| Odd limit 1 = 9 | Mistuning 1 = 13.6 | Complexity 1 = 20
| Odd limit 1 = 9 | Mistuning 1 = 13.6 | Complexity 1 = 20
| Odd limit 2 = 13 | Mistuning 2 = 16.7 | Complexity 2 = 20
| Odd limit 2 = 13 | Mistuning 2 = 16.7 | Complexity 2 = 20
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The '''modus''' [[regular temperament|temperament]] is one of the [[7-limit]] [[extension]]s of [[tetracot]], the [[5-limit]] temperament [[tempering out]] the [[tetracot comma]] (20000/19683), and is naturally a full [[13-limit]] temperament.  
The '''modus''' [[regular temperament|temperament]] is one of the [[7-limit]] [[extension]]s of [[tetracot]], the [[5-limit]] temperament [[tempering out]] the [[tetracot comma]] (20000/19683), and is naturally a full [[13-limit]] temperament.  


In addition to the tetracot comma, modus tempers out [[64/63]], making it a member of the [[archytas clan]]. As such, septimal intervals are tempered together with Pythagorean intervals; in particular, a stack of two perfect fifths [[octave reduction|octave reduced]] represents [[8/7]][[~]][[9/8]] at 8 generator steps. Modus also tempers out [[4375/4374]], making it a [[ragismic microtemperaments|ragismic temperament]]. In the 11- and 13-limit it can be viewed as a [[weak extension]] of [[suhajira]] as well.  
In addition to the tetracot comma, modus tempers out [[64/63]], making it a member of the [[archytas clan]]. As such, septimal intervals are tempered together with Pythagorean intervals; in particular, a stack of two perfect fifths [[octave reduction|octave reduced]] represents {{nowrap|[[8/7]][[~]][[9/8]]}} at 8 generator steps. Modus also tempers out [[4375/4374]], making it a [[ragismic microtemperaments|ragismic temperament]]. In the 11- and 13-limit it can be viewed as a [[weak extension]] of [[suhajira]] as well.  


Additionally, the generator can be taken to represent [[21/19]], which gives us an extension for prime 19 at -5 generator steps.  
Additionally, the generator can be taken to represent [[21/19]], which gives us an extension for prime 19 at −5 generator steps.
 
Modus was named by [[Mike Battaglia]] in 2012 for its fantastic [[modmos]] structures<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_102416.html#102467 Yahoo! Tuning Group | ''Guaranteed meantone successor'']</ref>.


See [[Tetracot family #Modus]] for technical data.  
See [[Tetracot family #Modus]] for technical data.  
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<nowiki/>* Besides the octave


== Music ==
== Music ==
See [[Tetracot #Music]].  
See [[Tetracot #Music]].  
== References ==


[[Category:Modus| ]] <!-- main article -->
[[Category:Modus| ]] <!-- main article -->