1445/1444: Difference between revisions

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'''1445/1444''', the '''aureusma''', is a [[19-limit]] (also 2.5.17.19 subgroup) [[unnoticeable comma]] measuring about 1.20 [[cent]]s. It is the difference between [[5/4]] and a stack of two [[19/17]]'s. It is also the difference between [[153/152]] and [[171/170]].  
'''1445/1444''', the '''aureusma''', is a [[19-limit]] (also 2.5.17.19 subgroup) [[unnoticeable comma]] measuring about 1.20 [[cent]]s. It is the difference between [[5/4]] and a stack of two [[19/17]]'s. It is also the difference between [[153/152]] and [[171/170]].  


The term comes from Latin ''[[Wiktionary: aureus #Latin|aureus]]'', meaning golden, for its possible association with [[golden meantone]].  
== Temperaments ==
Tempering out this comma in the 19-limit leads to the rank-7 '''aureusmic temperament''', or in the 2.5.17.19 subgroup, the rank-3 '''aureus temperament'''. In either case it results in 5/4 being split into two 19/17's, and enables the essentially tempered [[aureusmic chords]].  


== Temperaments ==
== Etymology ==
Tempering out this comma results in 5/4 being split into two 19/17's, and enables the essentially tempered '''aureusmic chords'''.  
The aureusma was named by [[Flora Canou]] in 2021. It comes from Latin ''[[Wiktionary: aureus #Latin|aureus]]'' ("golden"), for its possible association with [[golden meantone]].  


== See also ==
== See also ==