NS EN ISO 8253-2 Ed. 1 (1998)被替代
Acoustics - Audiometric Test Methods - Part 2: Sound Field Audiometry With Pure Tone And Narrow-band Test Signals
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines relevant test signal characteristics, requirements for free, diffuse and quasi-free sound fields and methods for sound field audiometry by means of pure tones, frequency modulated tones or other narrow-band test signals presented by means of one or more loudspeakers, mainly for the determination of hearing threshold levels in the frequency range 125 - 12500 Hz.
ISO 8253-2:1992 - Identical
I.S. EN ISO 8253-2:1998 - Identical
UNI EN ISO 8253-2:2000 - Identical
NBN EN ISO 8253-2:1998 - Identical
NF EN ISO 8253-2:1999 - Identical
UNI EN ISO 8253-2:2010 - Identical
NEN EN ISO 8253-2:2010 - Identical
NF EN ISO 8253-2:2010 - Identical
NEN EN ISO 8253-2:1998 - Identical
BS EN ISO 8253-2:1998 - Identical
ONORM EN ISO 8253-2:1998 - Identical
SS EN ISO 8253-2 Ed. 1 (1998) - Identical
UNE EN ISO 8253-2:1998 - Identical
