1、 60318-52010 5 2 c3 c IEC 60318-5:2006Electroacoustics Simulators of human head and ear Part 5:2cm3coupler for the measurement of hearingaids and earphones coupled to the ear by means of ear inserts(IDT) 27 2002 . 184- , 1.02004 . 1 - , () , 42 381 -3 12 2010 . 404-4 60318-5:2006 -. . 5. 2 c3 (IEC 6
2、0318-5:2006Electroacoustics Simulators of human head and ear Part 5: 2 cm3coupler for the measurement ofhearing aids and earphones coupled to the ear by means of ear inserts). - , - 5 601262001 , - . - () . , , 2012 , - - II 60318-520101 12 13 14 .24.1 .24.2 .24.3 , 24.4 35 .35.1 35.2 36 .36.1 .36.2
3、 .36.3 46.4 57 6 () 8 .9III 60318-520101) () -, ( ). , . , -, , (PAS) ( () ). ; , , . , -, , . () , , .2) , , , - .3) - . , , .4) . - - .5) , .6) , .7) , , , , - , -, , ( ) , - .8) , . .9) , - . - - . 60318-5 29 -. 60126:1973. :FDIS 29/600/FD 29/606/RVD , . /, 2. 60318, -. , - . , , - http:/webstore
4、.iec.ch , - . :- ;- ;- - .IV 60318-52010 5 2 c3 - c Electroacoustics. Simulators of human head and ear. Part 5. 2 cm3coupler for the measurement of hearing aids andearphones coupled to the ear by means of ear inserts 201204011 , 125 8000 . , . , , . - - , .2 . - . ( ). 61094-4 . 4. (IEC 61094-4, Mea
5、surement microphones Part 4: Specifications for workingstandard microphones) 389-2 . . 2. , (ISO 389-2, Acoustics Reference zero for the calibration ofaudiometric equipment Part 2: Reference equivalent threshold sound pressure levels for pure tones andinsert earphones)3 :3.1 (acoustic coupler): , ,
6、, .3.2 (effective volume): , 250 .1 60318-52010 4 4.1 , 23. . . . - . - (, ) . , ., , , , , .4.2 4.2.1 , .4.2.2 (2 c177 0,07) 3. , () - . ., . , -, .4.2.3 d1 18,0 c163d1c16321,0 .4.3 , 4.3.1 WS1P . (k =2), 0,2 , . (, ) , , , -. .4.3.2 WS1P - . WS1P ( 61094-4) . , - 1, 61094-4 .4.3.3 , , . - WS2P ( 61094-4) . 1 WS2P WS1P, - c177 1 6 c177 2 6 8 . (, ) . 2 , - 1, 61094-4 .2 60318-52010 3 , WS2P, - , LS2P, 8 0,3 .4.4 , - , - 1,5 . , :a) 0,02 3;b) ,
