# acoustic impedance

> quotient of average sound pressure at a surface and sound volume flow rate through that surface

**Wikidata**: [Q975684](https://www.wikidata.org/wiki/Q975684)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Acoustic_impedance)  
**Source**: https://4ort.xyz/entity/acoustic-impedance


## References

1. Integrated Authority File
2. Nuovo soggettario
3. Freebase Data Dumps. 2013
4. ISO 80000-8:2020 Quantities and units — Part 8: Acoustics
5. ISO 80000-8:2007 Quantities and units—Part 8: Acoustics
6. National Library of Israel Names and Subjects Authority File
7. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)