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LATENT REFERENCES / TAG2

Purple Noise (Violet Noise)

Archive curator and editor: Keigo Yoshida

This reference note belongs to Tag2 in Latent References, an archive curated by Keigo Yoshida. Its archive region is Stax Records. The note preserves its source text and links so that readers can trace the material behind the 3D map.

Collection
Tag2
Archive region
Stax Records

Archived reference note

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.

Power density rises by 6dB per 1 octave (20dB per 10-fold frequency increase) as frequency rises (density is proportional to f 2), and the frequency range is finite. It is equivalent to differentiated white noise. https://scrapbox.io/files/648b1d411ed007001c1804b0.png

Source updated 2023-06-15 · 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.

  • Blue Noise (Azure Noise)Computed lexical cosine similarity 0.396 · shared title, text, tags and references
  • Pink Noise (1/f Noise)Computed lexical cosine similarity 0.338 · shared title, text, tags and references
  • White NoiseComputed lexical cosine similarity 0.238 · shared title, text, tags and references
  • Grey NoiseComputed lexical cosine similarity 0.204 · shared title, text, tags and references
  • Brown NoiseComputed lexical cosine similarity 0.139 · shared title, text, tags and references
  • Musical Scale FrequenciesComputed lexical cosine similarity 0.098 · shared title, text, tags and references
  • Colored NoiseComputed lexical cosine similarity 0.096 · shared title, text, tags and references