1、 389-9 2014 9 ISO389-9:2009 Acoustics Reference zero for thecalibration of audiometric equipment Part 9:Preferred test conditions for thedetermination of reference hearing thresholdlevels (IDT) 389-92014 II 1 - - ( ) - , 4 2 358 3 - 11 2014 . 1545- 4 389-9:2009. - . 9. (ISO389-9:2009 Acoustics Refer
2、ence zero for the calibration of audio metric equipment Part 9:Preferredtestconditionsforthedeterminationofreferencehearingthresholdlevels). - - , - 5 1.02012 ( 8). ( 1 ) , - . () - - . , (gost.ru) , 2015 , - 389-92014 III / 43 , (), . - . , - , . , , - , , . . , . - , . 389-92014 1 9 State system f
3、or ensuring the uniformity of measurements.Acoustics. Reference zero for the calibration of audiometric equipment. Part 9.Preferred test conditions for the determination of reference hearing threshold levels 20151201 1 , -. 2 . - , . 389-1:1998 . . 1. - (ISO 389-1:1998, Acoustics Reference zero for
4、the calibration of audiometric equipment Part 1: Reference equivalent threshold sound pressure levels for pure tones and supra-aural earphones) 389-2 . . 2. - (ISO 389-2, Acoustics Reference zero for the calibration of audiometric equipment Part 2: Refer-ence equivalent threshold sound pressure leve
5、ls for pure tones and insert earphones) 389-3 . . 3. (ISO 389-3, Acoustics Reference zero for the calibration of audiometric equipment Part 3: Reference equivalent threshold force levels for pure tones and bone vibrators) 389-6 . . 6. (ISO 389-6, Acoustics Refer-ence zero for the calibration of audi
6、ometric equipment Part 6: Reference threshold of hearing for test sig-nals of short duration) 389-7 . . 7. - (ISO 389-7, Acoustics Reference zero for the calibration of audiometric equipment Part 7: Refer-ence threshold of hearing under free-field and diffuse-field listening conditions) 389-8 . . 8.
7、 - (ISO 389-8, Acoustics Reference zero for the calibration of audio metric equipment Part 8: Reference equivalent threshold sound pressure levels for pure tones and circumaural earphones) 8253-1 . . 1. - (ISO 8253-1, Acoustics Audiometric test methods Part 1: Basic pure-tone air and bone conduction
8、 threshold audiometry) 8253-2 . . 2. (ISO 8253-2, Acoustics Audio metric test methods Part 2:Sound field audiometry with pure tone and narrow-band test signals) / 98-3 . 3. ISO/IEC Guide 98-3, Uncertainty of measurement Part 3: Guide to the expression of uncertainty in measurement (GUM:1995) 389-920
9、14 2 60318-1 . . 1. (IEC 60318-1, Electroacoustics Simulators of human head and ear Part 1: Ear simulator for the calibration of supra-aural andcircumauralearphones) 60318-3 . . 3. - , (IEC 60318-3, Electroacoustics Simulators of human head and ear Part 3:Acoustic coupler for the calibration of su-p
10、ra-aural earphones used in audiometry) 60318-4 . . 4. - , - (IEC 60318-4, Electroacoustics Simulators of human head and ear Part 4: Occluded-ear simulator for the measurement of earphones coupled to the ear by ear inserts) 60318-5 . . 5. - 2 3 -, (IEC 60318-5, Electroacoustics Simulators of human he
11、ad and ear Part 5: 2 cm3 coupler for the measurement of hearing aids and ear-phones coupled to the ear by means of ear inserts) 60318-6 . . 6. - (IEC 60318-6, Electroacoustics Simulators of human head and ear Part 6: Mechanical coupler for the measurement of bone vibrators) 60645-1:2001 . . 1. - (IE
12、C 60645-1:2001, Electroacoustics Audiological equipment Part 1: Pure-tone audiome-ters) 60645-3:2007. . 3. - (IEC 60645-3:2007, Electroacoustics Audiometric equipment Part 3: Test signals of short duration) 60645-4 . . 4. (IEC 60645-4, Audiome-ters Part 4:Equipment for extended high-frequency audiom
13、etry) 3 ISO 8253-1 ISO 389-6. 4 4.1 4.1.1 25 ( ). 4.1.2 18 25 . 4.1.3 , -, , , , . A - , . 4.1.4 . , , - 50 . 4.2 4.2.1 8253-1(.11.1 11.2) 10 - +2 - . 1/3- 10 16 , 8 . 4.2.2 , 8253-1( 3), 4.2.1 , 10 , 8253-1 ( 2). 4.2.3 , , , 8253-1( 3), . 389-92014 3 4.2.4 - 8253-2 ( 6). 4.3 - 8253-1. 8253-2. . . 5 5.1 , , - , 60645-1 ( -), 60645-3 ( ) 60645-4 ( , - ). , , . , - . 8253 ( 12) , - B (). 5.2 5.2.1 -, , . , , . - . - (. 5.2.2). 5.2.2. : a) , 389 1:1998 (4.2 4.3);b) , 389-8;c) , 389-2;d) , , 389-3;e) 389-7.5.2.3 60318-1 60318-3. 60318-1. , . 60318-4 - 60318-5. 60318-6. 5.2.4
