UNE-EN ISO 389-7:2021
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)
- Standard No.
- UNE-EN ISO 389-7:2021
- Release Date
- 2021
- Published By
- ES-UNE
- Latest
- UNE-EN ISO 389-7:2021
UNE-EN ISO 389-7:2021 history
- 2021 UNE-EN ISO 389-7:2021 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2019)
- 2006 UNE-EN ISO 389-7:2006 Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions (ISO 389-7:2005)
