State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 7. Reference threshold of hearing under free-field and diffuse-field listening conditions
STANDARD published on 1.12.2012
Designation standards: GOST R EN ISO 389-7-2011
Note: WITHDRAWN
Publication date standards: 1.12.2012
The number of pages: 14
Approximate weight : 42 g (0.09 lbs)
Country: Russian technical standard
Category: Technical standards GOST