Dirt: Difference between revisions
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'''Dirt''' is the [[temperament]] which tempers out the [[dirt comma]], 1342177280/1162261467, in the [[5-limit]]. The optimal pure-octave tuning of this temperament has a very sharp [[~]][[3/2]] generator at about 715 cents and a somewhat sharp ~[[5/4]] at about 391 cents which is 19 generators up. [[5edo]] appears to have the [[optimal patent val]] for this temperament. | '''Dirt''' is the [[temperament]] which tempers out the [[dirt comma]], 1342177280/1162261467, in the [[5-limit]]. The optimal pure-octave tuning of this temperament has a very sharp [[~]][[3/2]] generator at about 715 cents and a somewhat sharp ~[[5/4]] at about 391 cents which is 19 generators up. The source of the temperament's name is unknown. [[5edo]] appears to have the [[optimal patent val]] for this temperament. | ||
This temperament could serve as a full [[7-limit]] extension to [[archy]] near 1/2-comma superpyth, where even [[ultrapyth]] maps 5/4 too sharp (to 418.2 [[cent]]s). By this point, the error on the perfect fifth may become a serious issue, so most people who use archy use a flatter fifth that works for 7-limit [[superpyth]] instead. | |||
See [[Syntonic–diatonic equivalence continuum #Dirt]] for technical data. | See [[Syntonic–diatonic equivalence continuum #Dirt]] for technical data. | ||
[[Category:Dirt| ]] <!-- main article --> | [[Category:Dirt| ]] <!-- main article --> | ||
[[Category:Rank-2 temperaments]] | [[Category:Rank-2 temperaments]] | ||