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H.261

video compression standard
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H.261

Summary

H.261 is an ITU-T recommendations H-series[1]. H.261 draws 70 Wikipedia views per month (itu_t_recommendations_h_series category, ranking #1 of 7).[2]

Key Facts

  • H.261's instance of is recorded as ITU-T recommendations H-series[3].
  • H.261's instance of is recorded as video compression format[4].
  • H.261's follows is recorded as H.120[5].
  • H.261's followed by is recorded as H.262/MPEG-2 Video[6].
  • H.261's publication date is recorded as +1988-00-00T00:00:00Z[7].
  • H.261's Freebase ID is recorded as /m/01tn0f[8].
  • H.261's media type is recorded as video/H261[9].
  • H.261's file extension is recorded as h261[10].
  • H.261's ITU/ISO/IEC object ID is recorded as 0.0.8.261[11].
  • H.261's ITU-T Recommendation is recorded as H.261[12].

Why It Matters

H.261 draws 70 Wikipedia views per month (itu_t_recommendations_h_series category, ranking #1 of 7).[2] H.261 has Wikipedia articles in 14 language editions, a strong signal of global cultural recognition.[13] H.261 is known by 3 alternative names across languages and contexts.[14]

References

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

Direct Wikidata claims

  1. [3] ↑ . wikidata.org.
  2. [4] ↑ . wikidata.org.
  3. [5] ↑ . wikidata.org.
  4. [6] ↑ . wikidata.org.
  5. [7] ↑ . wikidata.org.
  6. [8] ↑ . Freebase Data Dumps. wikidata.org.
  7. [9] ↑ . RFC 4587: RTP Payload Format for H.261 Video Streams. wikidata.org.
  8. [10] ↑ . wikidata.org.
  9. [11] ↑ . wikidata.org.
  10. [12] ↑ . wikidata.org.

Class ancestry

  1. [1] ↑ . Wikidata. wikidata.org.

Aggregate / graph-position facts

  1. [2] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [13] ↑ . Wikidata sitelinks. wikidata.org.
  3. [14] ↑ . 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). H.261. Retrieved May 3, 2026, from https://4ort.xyz/entity/h-261
MLA “H.261.” 4ort.xyz Knowledge Graph, 4ort.xyz, 3 May. 2026, https://4ort.xyz/entity/h-261.
BibTeX @misc{4ortxyz_h-261_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{H.261}}, year = {2026}, url = {https://4ort.xyz/entity/h-261}, note = {Accessed: 2026-05-03}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): H.261 — https://4ort.xyz/entity/h-261 (retrieved 2026-05-03)

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