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NF C97-324 ; NF EN IEC 60268-24:2024-01-12
Sound system equipment - Part 24: Headphones and earphones - Active acoustic noise cancelling characteristics
Edition
2024-01-12
NF C97-325 ; NF EN 63035:2017-09-29
MIDI (Musical Instrument Digital Interface) specification 1.0 (Abridged edition, 2015)
Edition
2017-09-29
NF C97-327 ; NF EN 62777:2016-06-10
Quality evaluation method for the sound field of directional loudspeaker array system
Edition
2016-06-10
NF C97-331 ; NF EN 61094-1:2001-02-01
Measurement microphones - Part 1: specifications for laboratory standard microphones
Edition
2001-02-01
NF C97-332 ; NF EN 61094-2:2009-06-01
Electroacoustics - Measurement microphones - Part 2: primary method for the pressure calibration of laboratory standard microphones by the reciprocity technique
Edition
2009-06-01
NF C97-332/A1 ; NF EN 61094-2/A1:2022-03-18
Electroacoustics - Measurement microphones - Part 2: primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Edition
2022-03-18
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
NF C97-334 ; NF EN 61094-4:1996-04-01
Measurement microphones. Part 4: specifications for working standard microphones
Edition
1996-04-01
NF C97-335 ; NF EN 61094-5:2016-11-26
Electroacoustics - Measurement microphones - Part 5: methods for pressure calibration of working standard microphones by comparison
Edition
2016-11-26
NF C97-336 ; NF EN 61094-6:2005-04-01
Measurement microphones - Part 6: electrostatic actuators for determination of frequency response
Edition
2005-04-01
