# sound reduction index

> sound insulation measure

**Wikidata**: [Q2230459](https://www.wikidata.org/wiki/Q2230459)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Sound_reduction_index)  
**Source**: https://4ort.xyz/entity/sound-reduction-index


## References

1. ISO 80000-8:2007 Quantities and units—Part 8: Acoustics