2. Getting involved
  3. Standards Committees
  4. DKE
NA 022

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

About DKE Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

DIN EN ISO 389 [Withdrawn] references following documents:

Document number Edition Title
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 
ISO 389-4 1994-10 Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow-band masking noise More