NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
DIN EN ISO 389-3 [CURRENT] references following documents:
Document number | Edition | Title |
---|---|---|
ISO 389-8 | 2004-05 | Acoustics - Reference zero for the calibration of audiometric equipment - Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones More |
ISO 8253-1 | 2010-11 | Acoustics - Audiometric test methods - Part 1: Pure-tone air and bone conduction audiometry More |