SN EN ISO 8253-3:2012现行
Acoustics - Audiometric Test Methods - Part 3: Speech Audiometry (Iso 8253-3:2012)
出版：Swiss Standards
专家解读视频
Defines methods and requirements for speech audiometry with recorded test material presented by conducting of air through an earphone, by bone conduction through a bone vibrator or from a loudspeaker for sound field audiometry. Covers procedures for use of noise either for masking the non-test ear or as a competing sound. All test methods are based on open-set test material. Includes requirements on recorded speech material and recommended methods for maintaining and calibrating speech audiometric equipment.
BS EN ISO 8253-3:2012 - Identical
SS EN ISO 8253-3 Ed. 2 (2012) - Identical
I.S. EN ISO 8253-3:2012 - Identical
UNE EN ISO 8253-3:2012 - Identical
NEN EN ISO 8253-3:2013 - Identical
UNE EN ISO 8253-3:1998 - Identical
NEN EN ISO 8253-3:1998 - Identical
DIN EN ISO 8253-3 (2012-08) - Identical
ONORM EN ISO 8253-3:2012 - Identical
NS EN ISO 8253-3:2012 - Identical
NBN EN ISO 8253-3:2012 - Identical
NF EN ISO 8253-3:2012 - Identical
UNI EN ISO 8253-3:2012 - Identical
