BS 6951:1988
$86.31
Specification for threshold of hearing by air conduction as a function of age and sex for otologically normal persons
| Published By | Publication Date | Number of Pages |
| BSI | 1988 | 14 |
For the frequency range 125 to 8000 Hz and for groups of otologically normal persons of a given age within the limit of 18 to 70 years inclusive, gives the expected value of median hearing threshold shift relative to a group aged 18 years and the expected statistical distribution above and below the median value.
