LATENT REFERENCES / TAG2
Pythagorean Comma
Original title: ピタゴラスコンマ
This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Film. The note preserves its source text and links so that readers can trace the material behind the 3D map.
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English translation of the archived note. JP shows the original text. Source links and literal code are retained; the translation does not update or independently verify the source claims.
The Pythagorean comma, or ditonic comma, is the small interval representing the difference between enharmonically equivalent notes in Pythagorean tuning, such as C and B♯ or D♭ and C♯. It equals the frequency ratio 531441:524288, approximately 23.46 cents, roughly 1/4 of a semitone.
https://scrapbox.io/files/64c63fc103e53e001c8b1af0.png
ピタゴラスコンマ、あるいはダイトニックコンマは、ピタゴラス音律における異名同音の差である小さな音程であり、例えば C と B♯、あるいは D♭ と C♯などの差である。これは531441:524288の周波数比に等しく、約23.46セントであり、おおむね半音の1/4である。
https://scrapbox.io/files/64c63fc103e53e001c8b1af0.png
Source updated 2023-07-30 · Snapshot 2026-10-08
Source links and calculated neighbors
Cosine values measure shared lexical features, not truth, agreement or identical meaning. Original reference links are labeled separately.
- Pythagorean TuningComputed lexical cosine similarity 0.385 · shared title, text, tags and references
- Pythagoras and the Twelve TonesComputed lexical cosine similarity 0.324 · shared title, text, tags and references
- Pythagorean TheoremComputed lexical cosine similarity 0.286 · shared title, text, tags and references