BS EN ISO 8253-2:1998被替代
Acoustics. Audiometric test methods. Sound field audiometry with pure tone and narrow-band test signals
出版：British Standards Institution
专家解读视频
Specifies test signal characteristics and procedures for determining hearing threshold levels in the range 125 Hz to 12 500 Hz.
© British Standards Institution 2013
Amendment notes:
AMD 10028 published 15 July 1998
Document identifier notes:
Formerly BS 7636:1993.
UNE EN ISO 8253-2:1998 - Identical
SS EN ISO 8253-2 Ed. 1 (1998) - Identical
ISO 8253-2:1992 - Identical
NS EN ISO 8253-2 Ed. 1 (1998) - Identical
I.S. EN ISO 8253-2:1998 - Identical
NBN EN ISO 8253-2:1998 - Identical
UNI EN ISO 8253-2:2000 - Identical
NEN EN ISO 8253-2:1998 - Identical
ONORM EN ISO 8253-2:1998 - Identical
NF EN ISO 8253-2:1999 - Identical
