ISO 7566:1987被替代
Acoustics - Standard Reference Zero For The Calibration Of Pure Tone Bone Conduction Audiometers
出版：International Organization for Standardization
专家解读视频
Relevant for threshold of those of normal hearing aged 18 - 30. Deals with bone vibrator and also the masking noise for the ear which is not being tested.
BS 6950(1988) : 1988 - Identical
BS 2497-4(1972) : LATEST - Similar to
DIN EN 27566 : 1992 - Identical
NF EN 27566 : 1992 - Identical
I.S. EN 27566:1992 - Identical
UNE 74153 : 1994 - Identical
EN 27566 : 1991 - Identical
NEN ISO 7566 : 1992 - Identical
NBN EN 27566 : 1992 - Identical
UNE 74153 : 1994 - Identical
BS 6950(1988) : 1988 - Identical
NEN ISO 7566 : 1992 - Identical
NBN EN 27566 : 1992 - Identical
NF EN 27566 : 1992 - Identical
I.S. EN 27566:1992 - Identical
BS 2497-4(1972) : LATEST - Similar to
NF EN 27566:1992 - Identical
DIN EN 27566 (1992-03) - Identical
I.S. EN 27566:1992 - Identical
UNI EN 27566:1992 - Equivalent
BS 6950:1988 - Identical
BS 2497-4:1972 - Similar
UNE 74153:1994 - Identical
