CEN/TC 211

Project No.EN 28798:1991
TitleSpecification of reference levels for the calibration of narrow-band masking noise presented by air conduction from an earphone in pure tone audiometry.
Registration number (WIID)9729
ScopeSpecification of reference levels for the calibration of narrow-band masking noise presented by air conduction from an earphone in pure tone audiometry.
StatusAtcelts
ICS group13.140