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perfect octave

musical interval of 12 half-tones with a frequency ratio of 2:1 (exactly)
Intangible unit_of_musical_interval Q25499149
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perfect octave

Summary

perfect octave is an unit of musical interval[1].

Key Facts

  • perfect octave's instance of is recorded as unit of musical interval[2].
  • perfect octave's instance of is recorded as logarithmic unit[3].
  • perfect octave's instance of is recorded as octave[4].
  • perfect octave's measured physical quantity is recorded as logarithmic frequency range[5].
  • perfect octave followed major seventh[6].
  • perfect octave was followed by minor ninth[7].
  • perfect octave's Commons category is recorded as Perfect octaves[8].
  • perfect octave's said to be the same as is recorded as augmented seventh[9].
  • perfect octave comprises semitone[10].
  • perfect octave's short name is recorded as pu8[11].
  • perfect octave's short name is recorded as P8[12].
  • perfect octave's short name is recorded as R8[13].
  • perfect octave's unit symbol is recorded as oct[14].

Body

Definition and Type

Recorded instance of include unit of musical interval[2], logarithmic unit[3], and octave[4].

Use and Application

perfect octave comprises semitone[10].

References

Programmatic citations — every numbered marker resolves to a verifiable graph row below.

Direct Wikidata claims

  1. [2] ↑ . wikidata.org.
  2. [3] ↑ . wikidata.org.
  3. [4] ↑ . wikidata.org.
  4. [5] ↑ . wikidata.org.
  5. [6] ↑ . wikidata.org.
  6. [7] ↑ . wikidata.org.
  7. [8] ↑ . wikidata.org.
  8. [9] ↑ . wikidata.org.
  9. [10] ↑ . wikidata.org.
  10. [11] ↑ . wikidata.org.
  11. [12] ↑ . wikidata.org.
  12. [13] ↑ . wikidata.org.
  13. [14] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

📑 Cite this page

Use these citations when quoting this entity in research, articles, AI prompts, or wherever provenance matters. We aggregate Wikidata + Wikipedia + authoritative open-data sources; the stitched, scored, cross-referenced view is what 4ort.xyz contributes.

APA 4ort.xyz Knowledge Graph. (2026). perfect octave. Retrieved May 3, 2026, from https://4ort.xyz/entity/perfect-octave
MLA “perfect octave.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/perfect-octave.
BibTeX @misc{4ortxyz_perfect-octave_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{perfect octave}}, year = {2026}, url = {https://4ort.xyz/entity/perfect-octave}, note = {Accessed: 2026-05-03}}
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Edit History

Rolling log of changes to this entity's Wikidata record. Values shown reflect the current state of each edited property — follow the history link to see the precise diff for any edit.

  1. 27d ago · Shocksingularity · 2026-07-27 view diff on Wikidata ↗
    Short name → pu8, P8, R8
    Imported from → —
    Image → Perfect octave on C.png
    Wikidata description → musical interval of 12 half-tones with a frequency ratio of 2:1 (exactly)
    + 11 other properties edited (see Wikidata diff for full list)
    "/* wbsetclaim-create:2||1 */ [[Property:P18]]: Perfect octave on C.png"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.