NA 022

DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE

DIN EN ISO 389-4 [CURRENT] references following documents:

Document number Edition Title
DIN EN ISO 389-2 1996-10 Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994); German version EN ISO 389-2:1996 More 
EN ISO 389-2 1996-08 Acoustics - Reference zero for the calbration of audiometric equipment - Part 2: Reference equivalent treshold sound pressure levels for pure tones and insert earphones (ISO 389-2:1994) More 
IEC 60126 1973 IEC reference coupler for the measurement of hearing aids using earphones coupled to the ear by means of ear inserts More 
IEC 60318 1970 An I E C artificial ear, of the wideband type, for the calibration of earphones used in audiometry More 
IEC 60711 1981 Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts More 
IEC/TR 60303 1970 I E C provisional reference coupler for the calibration of earphones used in audiometry More 
ISO 389-2 1994-07 Acoustics - Reference zero for the calibration of audiometric equipment - Part 2: Reference equivalent threshold sound pressure levels for pure tones and insert earphones More