# sound attenuation coefficient

> measure for the exponential reduction of a sound quantity passing through a substance

**Wikidata**: [Q105623399](https://www.wikidata.org/wiki/Q105623399)  
**Source**: https://4ort.xyz/entity/sound-attenuation-coefficient


## References

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