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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)
Acústica. Cero de referencia para la calibración de equipos audiométricos. Parte 7: Umbral de audición de referencia en condiciones de escucha de campo libre y campo difuso. (ISO 389-7:2019).
CURRENCY
| Standard number: | UNE EN ISO 389-7:2021 |
| Pages: | 20 |
| Released: | 2021-01-20 |
DESCRIPTION
This standard 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) is classified in these ICS categories:
- 13.140