SS-EN-ISO-389-7-AM1 Complete Document History
Acoustics - Reference zero for the calibration of audiometric equipment - Part 7: Reference threshold of hearing under free-field and diffuse-field listening conditions - Amendment 1: Reference threshold of hearing at 20 Hz and 18 000 Hz under free-field listening conditions and at 20 Hz under diffuse-field listening conditions (ISO 389-7:2005/Amd 1:2016)


Obsolete Revision Information:
   2005 EDITION AMENDMENT 1 - ENGLISH LANGUAGE EDITION - Sept. 7, 2016