Ambulatory: Difference between revisions
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Ambulatory can be considered the 3/2.5/4.7/4 analog of 3.5.7 [[Bohlen-Pierce-Stearns|BPS]] or 2.3.5 [[meantone]], using [[5:6:7]] as its fundamental consonant chord in the place of [[3:5:7]] or of [[4:5:6]]. Ambulatory is actually similar to meantone in several ways: | Ambulatory can be considered the 3/2.5/4.7/4 analog of 3.5.7 [[Bohlen-Pierce-Stearns|BPS]] or 2.3.5 [[meantone]], using [[5:6:7]] as its fundamental consonant chord in the place of [[3:5:7]] or of [[4:5:6]]. Ambulatory is actually similar to meantone in several ways: | ||
* They are both of low [[badness]]. | * They are both of low [[badness]]. | ||
* In most [[optimal tuning]]s, meantone tunes [[3/2]] flat and [[5/4]] slightly sharp | * In most [[optimal tuning]]s, meantone tunes [[3/2]] flat and [[5/4]] slightly sharp, while ambulatory tunes [[7/5]] flat and [[6/5]] slightly sharp. | ||
* Meantone[7] has [[5/4]] and [[6/5]] share a scale degree. Ambulatory[5] has [[6/5]] and [[7/6]] share a scale degree. | * Meantone[7] has [[5/4]] and [[6/5]] share a scale degree. Ambulatory[5] has [[6/5]] and [[7/6]] share a scale degree. | ||
* Meantone[7] is a tempering of the 7-note [[AGS]](5/4, 6/5) (Ptolemy's intense diatonic) with the large and medium steps equated. Ambulatory[5] is a tempering of the 5-note AGS(6/5, 7/6) with the medium and small steps equated. | * Meantone[7] is a tempering of the 7-note [[AGS]](5/4, 6/5) (Ptolemy's intense diatonic) with the large and medium steps equated. Ambulatory[5] is a tempering of the 5-note AGS(6/5, 7/6) with the medium and small steps equated. | ||