ONORM EN ISO 8253-2:2010現行
Acoustics - Audiometric Test Methods - Part 2: Sound Field Audiometry With Pure-Tone And Narrow-Band Test Signals
出版：Osterreichisches Normungsinstitut
專家解讀視頻
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.
UNI EN ISO 8253-2:2010 - Identical
SS EN ISO 8253-2 Ed. 2 (2010) - Identical
BS EN ISO 8253-2:2009 - Identical
NBN EN ISO 8253-2:2010 - Identical
NF EN ISO 8253-2:2010 - Identical
NEN EN ISO 8253-2:2010 - Identical
UNE EN ISO 8253-2:2010 - Identical
