NA 022

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

DIN EN ISO 8253-3 [Withdrawn] references following documents:

Document number Edition Title
IEC 61260 1995-07 Electroacoustics - Octave-band and fractional-octave-band filters 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 
ISO/TR 25417 2007-12 Acoustics - Definitions of basic quantities and terms More 
ITU-T G.227 1988-11 Conventional telephone signal More