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NF C97-630/A2 ; NF EN 61252/A2:2017-07-07
Electroacoustics - Specifications for personal sound exposure meters
Edition
2017-07-07
NF C97-634 ; NF EN 60118-14:1998-08-01
Hearing aids. Part 14: specification of à digital interface
Edition
1998-08-01
NF C97-635 ; NF EN 60118-15:2013-01-26
Electroacoustics - Hearing aids - Part 15: methods for characterising signal processing in hearing aids with a speech-like signal
Edition
2013-01-26
NF C97-663 ; NF EN IEC 60263:2020-08-28
Scales and sizes for plotting frequency characteristics and polar diagrams
Edition
2020-08-28
NF C97-665 ; NF EN 62665:2016-03-11
Multimedia systems and equipment - Multimedia e-publishing and e-books technologies - Texture map for auditory presentation of printed texts
Edition
2016-03-11
NF C97-742 ; NF EN IEC 62942:2020-03-06
File format for professional transfer and exchange of digital audio data
Edition
2020-03-06
NF C97-875 ; NF EN 62875:2015-05-22
Multimedia systems and equipment - Multimedia e-publishing and e-book technologies - Printing specification of texture map for auditory presentation of printed texts
Edition
2015-05-22
NF C97-896-1 ; NF EN IEC 63296-1:2021-08-20
Portable multimedia equipment - Determination of battery duration - Part 1: powered loudspeaker equipment
Edition
2021-08-20
NF C97-896-2 ; NF EN IEC 63296-2:2024-01-19
Portable multimedia equipment - Determination of battery duration - Part 2: Headphones and earphones with active noise-cancelling functions
Edition
2024-01-19
NF C97-904 ; NF EN 61157:2008-03-01
Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment
Edition
2008-03-01
