IEC PROVISIONAL REFERENCE COUPLER FOR THE CALIBRATION OF EARPHONES USED IN AUDIOMETRY
Edition 1982-10-15

Acoustics - Audiometric test methods - Part 1: Pure-tone air and bone conduction audiometry (ISO 8253-1:2010)
Edition 2011-06-01

Acoustics - Audiometric test methods - Part 2: Sound field audiometry with pure-tone and narrow-band test signals (ISO 8253-2:2009)
Edition 2010-06-16

Acoustics - Audiometric test methods - Part 3: Speech audiometry (ISO 8253-3:2022)
Edition 2022-11-30

Electroacoustics - Simulators of human head and ear - Part 3: Acoustic coupler for the calibration of supra-aural earphones used in audiometry (Endorsed by AENOR in March of 2015.)
Edition 2015-03-01

Electroacoustics - Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry (Endorsed by Asociación Española de Normalización in November of 2017.)
Edition 2017-11-01

Audiometric equipment - Part 1: Equipment for pure-tone and speech audiometry
Edition 2020-06-01

Acoustics - Instrumentation for audiometry A mechanical coupler for calibration of bone vibrators
Edition 1995

Electroacoustics - Audiometric equipment, Part 1: Equipment for pure-tone and speech audiometry
Edition 2024

Electroacoustics - Audiological equipment Equipment for speech audiometry
Edition 2002