Measurement microphones - Part 1: Specifications for laboratory standard microphones (IEC 61094-1:1992 + Corrigendum 1993); German version EN 61094-1:1994
Sound system equipment - Methods of measuring and specifying the performance of sounders (electroacoustic transducers for tone production) (IEC 61329:1995); German version EN 61329:1996— 13 стр.
Electroacoustics - Simulators of human head and ear - Part 2: An interim acoustic coupler for the calibration of audiometric earphones in the extended high-frequency range (IEC 60318-2:1998); German version EN 60318-2:1998— 12 стр.
Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique (IEC 61094-3:1995); German version EN 61094-3:1995— 14 стр.