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NF S30-007-4 ; NF EN ISO 389-4:1999-08-01
Acoustics. Reference zero for the calibration of audiometric equipment. Part 4: reference levels for narrow-band masking noise
Edition
1999-08-01
NF S31-083-2 ; NF EN ISO 8253-2:2010-03-01
Acoustics - Audiometric test methods - Part 2: sound field audiometry with pure-tone and narrow-band test signals
Edition
2010-03-01
BS EN 60318-1
Electroacoustics. Simulators of human head and ear. Ear simulator for the measurement of supra-aural and circumaural earphones
Edition
2010-03-31
NF S30-007-5 ; NF EN ISO 389-5:2008-04-01
Acoustics - Reference zero for the calibration of audiometric equipment - Part 5: reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
Edition
2008-04-01
BS EN ISO 8253-2
Acoustics. Audiometric test methods. Sound field audiometry with pure-tone and narrow-band test signals
Edition
2010-02-28
BS EN ISO 389-2
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and insert earphones
Edition
1995-03-15
BS EN ISO 389-8
Acoustics. Reference zero for the calibration of audiometric equipment. Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
Edition
2004-06-08
NF S30-007-8 ; NF EN ISO 389-8:2004-10-01
Acoustics - reference zero for the calibration of audiometric equipment - Part 8: reference equivalent threshold sound pressure levels for pure tones and circumaural earphones
Edition
2004-10-01
BS EN ISO 389-4
Acoustics. Reference zero for the calibration of audiometric equipment. Reference levels for narrow-band masking noise
Edition
1995-03-15
BS EN ISO 389-5
Acoustics - Reference zero for the calibration of audiometric equipment - Reference equivalent threshold sound pressure levels for pure tones in the frequency range 8 kHz to 16 kHz
Edition
2007-02-28