Lumatone mapping for 67edo: Difference between revisions

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== Infraorwell (gramitonic) ==

[[Bryan Deister]] has tested forward and reverse chroma [[4L 5s]] (gramitonic, 8:7 step ratio) mappings for [[67edo]]. Both get all notes in each octave and have a range of a bit over 4½ octaves. Apart from straight right (forward chroma version) or straight down-right (reverse chroma version, the most accessible generator is 15\67, which is a near-just septimal minor third ~[[7/6]]. This would suggest [[Orwell]], except that the septimal minor third of 67edo is too close to just for actual Orwell temperament, and so a stack of it manages to miss all of the intervals characteristic of Orwell, other than a fairly flat classic minor sixth ~[[8/5]]. Instead, this yields [[Orwellismic_temperaments#Infraorwell|Infraorwell]].

[[Bryan Deister]] has tested forward and reverse chroma [[4L 5s]] (gramitonic, 8:7 step ratio) mappings for [[67edo]]. Both get all notes in each octave and have a range of a bit over 3½ octaves. Apart from straight right (forward chroma version) or straight down-right (reverse chroma version, the most accessible generator is 15\67, which is a near-just septimal minor third ~[[7/6]]. This would suggest [[Orwell]], except that the septimal minor third of 67edo is too close to just for actual Orwell temperament, and so a stack of it manages to miss all of the intervals characteristic of Orwell, other than a fairly flat classic minor sixth ~[[8/5]]. Instead, this yields [[Orwellismic_temperaments#Infraorwell|Infraorwell]].

=== Forward chroma ===

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 == Infraorwell (gramitonic) ==
-[[Bryan Deister]] has tested forward and reverse chroma [[4L&nbsp;5s]] (gramitonic, 8:7 step ratio) mappings for [[67edo]]. Both get all notes in each octave and have a range of a bit over 4½ octaves. Apart from straight right (forward chroma version) or straight down-right (reverse chroma version, the most accessible generator is 15\67, which is a near-just septimal minor third ~[[7/6]]. This would suggest [[Orwell]], except that the septimal minor third of 67edo is too close to just for actual Orwell temperament, and so a stack of it manages to miss all of the intervals characteristic of Orwell, other than a fairly flat classic minor sixth ~[[8/5]]. Instead, this yields [[Orwellismic_temperaments#Infraorwell|Infraorwell]].
+[[Bryan Deister]] has tested forward and reverse chroma [[4L&nbsp;5s]] (gramitonic, 8:7 step ratio) mappings for [[67edo]]. Both get all notes in each octave and have a range of a bit over 3½ octaves. Apart from straight right (forward chroma version) or straight down-right (reverse chroma version, the most accessible generator is 15\67, which is a near-just septimal minor third ~[[7/6]]. This would suggest [[Orwell]], except that the septimal minor third of 67edo is too close to just for actual Orwell temperament, and so a stack of it manages to miss all of the intervals characteristic of Orwell, other than a fairly flat classic minor sixth ~[[8/5]]. Instead, this yields [[Orwellismic_temperaments#Infraorwell|Infraorwell]].
 === Forward chroma ===