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sound reduction index

sound insulation measure
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sound reduction index

Summary

sound reduction index ranks in the top 2% of general entities by monthly Wikipedia readership (106 views/month).[1]

Key Facts

  • sound reduction index is a type of physical quantity[2].
  • sound reduction index is a type of logarithmic quantity[3].
  • sound reduction index's described by source is recorded as ISO 80000-8:2007 Quantities and units—Part 8: Acoustics[4].
  • sound reduction index's maintained by WikiProject is recorded as WikiProject Mathematics[5].
  • sound reduction index's recommended unit of measurement is recorded as bel[6].

Body

Definition and Type

Recorded subclass of include physical quantity[2] and logarithmic quantity[3].

Why It Matters

sound reduction index ranks in the top 2% of general entities by monthly Wikipedia readership (106 views/month).[1] It is known by 9 alternative names across languages and contexts.[7]

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] ↑ . ISO 80000-8:2007 Quantities and units—Part 8: Acoustics. wikidata.org.

Aggregate / graph-position facts

  1. [1] ↑ . Wikimedia Foundation. dumps.wikimedia.org.
  2. [7] ↑ . 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). sound reduction index. Retrieved April 10, 2026, from https://4ort.xyz/entity/sound-reduction-index
MLA “sound reduction index.” 4ort.xyz Knowledge Graph, 4ort.xyz, 10 Apr. 2026, https://4ort.xyz/entity/sound-reduction-index.
BibTeX @misc{4ortxyz_sound-reduction-index_2026, author = {{4ort.xyz Knowledge Graph}}, title = {{sound reduction index}}, year = {2026}, url = {https://4ort.xyz/entity/sound-reduction-index}, note = {Accessed: 2026-04-10}}
LLM prompt According to 4ort.xyz Knowledge Graph (aggregator of Wikidata, Wikipedia, and authoritative open-data sources): sound reduction index — https://4ort.xyz/entity/sound-reduction-index (retrieved 2026-04-10)

Canonical URL: https://4ort.xyz/entity/sound-reduction-index · 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. 3d ago · Bencemac · 2026-07-15 view diff on Wikidata ↗
    Subclass of → physical quantity, logarithmic quantity
    Recommended unit of measurement → bel
    Described by source → ISO 80000-8:2007 Quantities and units—Part 8: Acoustics
    Aliases → —
    + 2 other properties edited (see Wikidata diff for full list)
    "/* wbsetqualifier-add:1| */ [[Property:P459]]: [[Q1266546]], [[:toollabs:quickstatements/#/batch/260984|batch #260984]]"
Live feed via Wikidata EventStreams. New edits appear within minutes of being made on Wikidata.