NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN ISO 389-2 [CURRENT] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN EN ISO 389-4 | 1999-07 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise (ISO 389-4:1994); German version EN ISO 389-4:1998 More |
