NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN 61669 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| IEC 60118-8 | 2005-10 | Electroacoustics - Hearing aids - Part 8: Methods of measurement of performance characteristics of hearing aids under simulated in situ working conditions More |
| IEC 60318-4 | 2010-01 | Electroacoustics - Simulators of human head and ear - Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by means of ear inserts More |
| ISO/IEC Guide 98-4 | 2012-11 | Uncertainty of measurement - Part 4: Role of measurement uncertainty in conformity assessment More |
