1、 389-82011 8 ISO 389-8:2004Acoustics Reference zero for the calibration of audiometric equipment Part 8: Reference equivalent threshold sound pressure levels for pure tonesand circumaural earphones(IDT) 27 2002 . 184- , 1.02004 . 1 - ( ) , 42 358 3 - 1 2011 . 671-4 389-8:2004 . - . 8. (ISO 389-8:200
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3、A 200. , - , .III 389-82011 8 State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometricequipment. Part 8. Reference equivalent threshold sound pressure levels of pure tones for circumaural earphones 201212011 - () 125 8000 , , , SENNHEISER
4、 HDA 200. - . . .2 . - , . 389-1 . . 1. - (ISO 389-1, Acoustics Reference zero for the calibration of audiometric equipment Part 1: Referenceequivalent threshold sound pressure levels for pure tones and supra-aural earphones) 4869-1 . . 1. (ISO 4869-1, Acoustics Hearing protectors Part 1: Subjective
5、 method for themeasurement of sound attenuation) 60318-1 . . 1. (IEC 60318-1, Electroacoustics Simulators of human head andear Part 1: Ear simulator for the calibration of supra-aural earphones) 60318-2:1998 . . 2. - (IEC 60318-1:2009, Electroacoustics Simulators of human head and ear Part 2: An int
6、erim acousticcoupler for the calibration of audiometric earphones in the extended high-frequency range) 60645-2 . 2. (IEC 60645-2,Audiometers Part 2: Equipment for speech audiometry)1 389-82011 3 389-1, 4869-1, 60318-1 60645-2.4 , , . SENNHEISER HDA 200 , - 60318-1 60318-2 ( 1) , 1. HDA 200 , (. ).
7、,1. . -, , 21 25 . 1 , , b SENNHEISER HDA 200, , b SENNHEISER HDA 200125160a200a30,526,022,015001600a20005,55,54,5250315a400a18,015,513,52500a30003150a3,02,54,0500630a75011,08,06,04000500060009,514,017,0800a10001250a6,05,56,06300a8000c17,517,5 .b 0,5 . / 389-5. HDA 200 (10,0 c177 1,0) . 145 , , , 13
8、0 .2 389-82011 () HDA 200 , , (. 26). .1. .1 HDA 200 2 3 4 5 6 SENNHEISER HDA 200 31 24 24 38 27 62 24 24 38 27/ 17/14 13/11 15/9 15/23 13/14 , . 18 25 , 0,125; 0,25; 0,5; 0,75; 1; 1,5;2; 3; 4; 6 0,125 6,3 1/3-;0,75; 1,5; 3; 60,125; 0,25;0,5; 0,75; 1;1,5; 2; 3; 4; 6 0,125 6,3 1/3-;0,75; 1,5; 3; 6 60
9、318-1 , 60318-1 3 389-82011 () HDA 200 HDA 200 .1 - . 4869-1 - 1/3- 3. .1 HDA 200 , ,63 16,5125 14,5250 16,0500 22,51000 28,52000 32,04000 45,58000 44,0 0,5 .4 389-82011 C() HAD 200 GF GC 1/3- .1 . 1/3- . , , . , , .1 , HDA 200 , 1. . .1 GF HDA 200 GC 1 1/3- , GF GCb, GF GCb,125 5,0 1250 2,0160a 4,5
10、 1600 5,5200a 4,5 2000 5,0250 4,5 2500 6,0315a 5,0 3150 7,0400 5,5 4000 13,0500 2,5 5000 14,5630a 2,5 6300 11,0800a 3,0 8000 8,51000 3,5a .b 0,5 . 3.5 389-82011 () ( ) .1 389-1 IDT 389-12011 - . . - . 1. - - 4869-1 MOD 12.4.21199 ( 4869-189) . - . . - 60318-1 * 60318-2 * 60645-2 NEQ 2707286 - . . -
11、* . . - . - :- IDT ;- MOD ;- NEQ .6 389-820111 ISO 389-9:2009 Acoustics Reference zero for the calibration of audiometric equipment Part 9: Preferred testconditions for the determination of reference hearing threshold levels2 HAN, L.A, POULSEN, T.Equivalent threshold sound pressure levels for the SE
12、NNHEISER HDA 200 headphone andthe Etymotic Research ER-2 insert earphone in the frequency range 125 Hz to 16 kHz. Scand. Audiol., 27, 1998,pp. 1051123 RICHTER, U. Equivalent threshold sound pressure levels of the insert earphones Etymotic Research ER-2A andER-4A in the extended high-frequency range.
13、 In: Richter, U. (ed.). Characteristic data of different kinds of earphonesused in the extended high frequency range for pure-tone audiometry. PTB report PTB-MA-72, Braunschweig, 20034 TAKESHIMA, T., HIRAOKA, T., SUZUKI, Y., KUMAGAI, M. and SONE, T. Reference equivalent sound pressurelevels for new
14、earphones. Proceedings of 15th International Congress on Acoustics, Trondheim, Norway, 1995,pp. 2973005 SCHc95NFELD, U., REUTER, W., FISCHER, R. and GROSS, M. Hearing thresholds of otologically normal subjects inthe extended high-frequency range using the earphone HDA 200. In: Richter, U. (ed.). Cha
15、racteristic data of differentkinds of earphones used in the extended high frequency range for pure-tone audiometry. PTB report PTB-MA-72.Braunschweig, 200c516 KARLSEN, B.L. and LYDOLF, M. The performance of audiometric earphones on ear simulator and on human ears.Acta Acustica united with Acustica, submitted March, 20037 ISO 389-5:2006 Acoustics Reference zero for the calibration
