Hearing protectors - Guidance on selection of individual fit testing methods; German version EN 17479:2021
Edition 2022-01

Measurement technique for the simulation of the auditory sensation of sharpness
Edition 2009-08

Acoustics - Terminology
Edition 2009-12

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for speech information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300083:1993
Edition 1993-11

Integrated Services Digital Network (ISDN); circuit mode structured bearer service category usable for 3,1 kHz audio information transfer; terminal requirements necessary for end-to-end compatibility; English version ETS 300084:1993
Edition 1993-11

Integrated Services Digital Network (ISDN); telephony 3,1 kHz teleservice; service description; english version ETS 300111:1992
Edition 1993-04

Methods of measuring the characteristics of reproducing equipment for digital audio compact discs; (IEC 61096:1992/A1:1996); Amendment A1; German version EN 61096:1993/A1:1996
Edition 1998-08

Telephony for hearing impaired people - Inductive coupling of telephone earphones to hearing aids; English version ETS 300381:1994
Edition 1995-09

Equipment for use in audio and video door-entry systems; German version EN 50486:2008
Edition 2008-11

Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics (IEC 60268-24:2023); German version EN IEC 60268-24:2024
Edition 2024-06