ISO 389-7:2005(R2013)已作废
ACOUSTICS - REFERENCE ZERO FOR THE CALIBRATION OF AUDIOMETRIC EQUIPMENT - PART 7: REFERENCE THRESHOLD OF HEARING UNDER FREE-FIELD AND DIFFUSE-FIELD LISTENING CONDITIONS
出版：International Organization for Standardization
专家解读视频
Provides a reference threshold of hearing for the calibration of audiometric equipment used under the following conditions.
GOST R ISO 389-7 : 2011 - Identical
NEN EN ISO 389-7 : 2006 AMD 1 2016 - Identical
DS EN ISO 389-7 : 2005 AMD 1 2016 - Identical
I.S. EN ISO 389-7:2005 - Identical
BS EN ISO 389-7 : 2005 - Identical
PN EN ISO 389-7 : 2009 AMD 1 2016 - Identical
