I.S. EN ISO 8253-2:2009現行
Acoustics - Audiometric Test Methods Part 2: Sound Filed Audiometry With Pure-tone and Narrow-band Test Signals
出版：National Standards Authority of Ireland
專家解讀視頻
Describes relevant test signal characteristics, requirements for free, diffuse, and quasi-free sound fields, and procedures for sound field audiometry using pure-tones, frequency-modulated tones or other narrow-band test signals presented by means of one or more loudspeakers.
UNI EN ISO 8253-2:2010 - Identical
SS EN ISO 8253-2 Ed. 2 (2010) - Identical
NF EN ISO 8253-2:2010 - Identical
NS EN ISO 8253-2:2009 - Identical
NEN EN ISO 8253-2:2010 - Identical
UNE EN ISO 8253-2:2010 - Identical
BS EN ISO 8253-2:2009 - Identical
NBN EN ISO 8253-2:2010 - Identical
