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Standards [CURRENT]

NF C97-333 ; NF EN 61094-3:2016-12-02

Electroacoustics - Measurement microphones - Part 3: primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
Edition 2016-12-02

Standards [CURRENT]

NF C97-624/A1 ; NF EN IEC 60118-4/A1:2018-02-09

Electroacoustics - Hearing aids - Part 4: induction-loop systems for hearing aid purposes - System performance requirements
Edition 2018-02-09

Standards [CURRENT]

NF S31-016-1/A2 ; NF EN 62489-1/A2:2018-02-23

Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: methods of measuring and specifying the performance of system components
Edition 2018-02-23

Standards [CURRENT]

NF S31-140 ; NF EN IEC 61265:2018-08-17

Electroacoustics - Instruments for measurement of aircraft noise - Performance requirements for systems to measure sound pressure levels in noise certification of aircraft
Edition 2018-08-17

Standards [CURRENT]

NF C97-620-13 ; NF EN IEC 60118-13:2020-04-03

Electroacoustics - Hearing aids - Part 13: Requirements and methods of measurement for electromagnetic immunity to mobile digital wireless devices
Edition 2020-04-03

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