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Opus

audio compression format
CreativeWork free_format Q1466199
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Opus

Summary

Opus is a free format[1]. Opus draws 2,815 Wikipedia views per month (free_format category, ranking #1 of 1).[2]

Key Facts

  • Opus's instance of is recorded as free format[3].
  • Opus's instance of is recorded as lossy audio coding format[4].
  • Opus's based on is recorded as SILK[5].
  • Opus's based on is recorded as Constrained Energy Lapped Transform[6].
  • Opus's developer is recorded as Jean-Marc Valin[7].
  • Opus's developer is recorded as Timothy B. Terriberry[8].
  • Opus's developer is recorded as Koen Vos[9].
  • Opus's developer is recorded as Xiph.Org Foundation[10].
  • Opus is part of WebM[11].
  • Opus is used for lossy compression[12].
  • Opus is used for audio compression[13].
  • Opus's Commons category is recorded as Opus Audio Codec[14].
  • Opus was published on September 11, 2012[15].
  • Opus's official website is recorded as https://opus-codec.org/[16].
  • Opus's topic's main category is recorded as Category:Opus Audio Codec[17].
  • Opus's Commons gallery is recorded as Opus (audio codec)[18].
  • Opus's media type is recorded as audio/ogg[19].
  • Opus's file extension is recorded as opus[20].
  • Opus's described by source is recorded as RFC 6716: Definition of the Opus Audio Codec[21].
  • Opus's replaces is recorded as Vorbis[22].
  • Opus's replaces is recorded as Speex[23].
  • Opus's Stack Exchange tag is recorded as https://stackoverflow.com/tags/opus[24].
  • Opus's IRC channel URL is recorded as irc://irc.libera.chat/opus[25].
  • Opus's different from is recorded as libopus[26].
  • Opus's has goal is recorded as speech coding[27].

Body

Publication

Opus was published on September 11, 2012[15]. Opus is part of WebM[11].

Why It Matters

Opus draws 2,815 Wikipedia views per month (free_format category, ranking #1 of 1).[2] Opus has Wikipedia articles in 23 language editions, a strong signal of global cultural recognition.[28] Opus is known by 8 alternative names across languages and contexts.[29]

Related Entities

Jean-Marc Valin Strawberry

References

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

Direct Wikidata claims

  1. [3] ↑ . hacks.mozilla.org. Retrieved . hacks.mozilla.org. Provenance: wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . hacks.mozilla.org. Retrieved . hacks.mozilla.org. Provenance: wikidata.org.
  6. [8] ↑ . hacks.mozilla.org. Retrieved . hacks.mozilla.org. Provenance: wikidata.org.
  7. [9] ↑ . opus-codec.org. Retrieved . opus-codec.org. Provenance: wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.
  11. [13] ↑ . wikidata.org.
  12. [14] ↑ . wikidata.org.
  13. [15] ↑ . lists.xiph.org. lists.xiph.org. Provenance: wikidata.org.
  14. [16] ↑ . api.github.com. Retrieved . api.github.com. Provenance: wikidata.org.
  15. [17] ↑ . wikidata.org.
  16. [18] ↑ . wikidata.org.
  17. [19] ↑ . RFC 7845: Ogg Encapsulation for the Opus Audio Codec. wikidata.org.
  18. [20] ↑ . wikidata.org.
  19. [21] ↑ . wikidata.org.
  20. [22] ↑ . wikidata.org.
  21. [23] ↑ . wikidata.org.
  22. [24] ↑ . wikidata.org.
  23. [25] ↑ . opus-codec.org. Retrieved . opus-codec.org. Provenance: wikidata.org.
  24. [26] ↑ . wikidata.org.
  25. [27] ↑ . Retrieved . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [28] ↑ . Wikidata sitelinks. wikidata.org.
  3. [29] ↑ . Wikidata aliases. 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). Opus. Retrieved May 3, 2026, from https://4ort.xyz/entity/opus
MLA “Opus.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/opus.
BibTeX @misc{4ortxyz_opus_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{Opus}}, year = {2026}, url = {https://4ort.xyz/entity/opus}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): Opus — https://4ort.xyz/entity/opus (retrieved 2026-05-03)

Canonical URL: https://4ort.xyz/entity/opus · Last refreshed:

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. 4w ago · RVA2869 · 2026-06-10 view diff on Wikidata ↗
    Website → —
    Different from → libopus
    Publication date → +2012-09-11T00:00:00Z
    Topic's main category → Category:Opus Audio Codec
    + 16 other properties edited (see Wikidata diff for full list)
    "/* wbeditentity-update-languages-and-other-short:0||ml */ Cleanup: remove wikimedia+self_stated_in refs; remove alias=label/mul ([[User:Difool/WikidataCleanup]])"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.