65/19 atom: Difference between revisions
Created page with "{{Infobox Interval | name = 65/19 atom | Ratio = 272629760/272629233 | Color name = ss19u3oy2, sasa-nuthoyo 2nd | Comma = yes }} '''272629233/272629760''' is an unnoticeable..." |
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'''272629233/272629760''' is an unnoticeable comma in the 2.3.5.13.19 subgroup. It is the amount by which the 13-comma [[6656/6561]] ("tetris comma") exceeds the 19/5-comma [[41553/40960]] (the difference between the classical major third [[5/4]] lowered by an [[apotome]] and the novemdecimal minor third [[19/16]]). Their difference is small enough that [[sagittal]] accidentals do not distinguish between the 13-comma and the 19/5-comma: the most accurate possible representation of the 13th harmonic in sagittal accidentals (as three octaves above a <code>)/||| P5</code>) accrues this 0.0033{{cent}} error. | '''272629233/272629760''', the '''65/19 atom''', is an unnoticeable comma in the 2.3.5.13.19 subgroup. It is the amount by which the 13-comma [[6656/6561]] ("tetris comma") exceeds the 19/5-comma [[41553/40960]] (the difference between the classical major third [[5/4]] lowered by an [[apotome]] and the novemdecimal minor third [[19/16]]). Their difference is small enough that [[sagittal]] accidentals do not distinguish between the 13-comma and the 19/5-comma: the most accurate possible representation of the 13th harmonic in sagittal accidentals (as three octaves above a <code>)/||| P5</code>) accrues this 0.0033{{cent}} error. | ||