28812/28561: Difference between revisions
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{{Infobox Interval|Name=Tesseract Comma|Color name = 3u<sup>4</sup>z<sup>4</sup>2, Quadthuzo comma|Ratio=28812/28561| | {{Infobox Interval|Name=Tesseract Comma|Color name = 3u<sup>4</sup>z<sup>4</sup>2, Quadthuzo comma|Ratio=28812/28561|Comma=yes}} | ||
'''28812/28561''' (the Tesseract Comma) is a small comma in the 2.3.7.13 subgroup. It is the amount by which four [[13/7]] sevenths fall short of the [[12/1|twelfth harmonic]], and the amount by which four [[14/13]] semitones fall short of the [[4/3]] perfect fourth. | '''28812/28561''' (the Tesseract Comma) is a small comma in the 2.3.7.13 subgroup. It is the amount by which four [[13/7]] sevenths fall short of the [[12/1|twelfth harmonic]], and the amount by which four [[14/13]] semitones fall short of the [[4/3]] perfect fourth. | ||