1、 KSKSKSKS SKSKSKS KSKSKS SKSKS KSKS SKS KS 2003 4 30 KS P ISO 4869 1 1： KS P ISO 4869 1： 2003 P ISO 4869 1： 2003 ( ) ( ) ( ) ( ) ( ) ： ： 2003 4 30 03 402 ： ： ( ) ( 02 509 7286) . 7 5 , . ICS 13.340.20 KS 1： P ISO 4869 1： 2003Acoustics Hearing protectors Part 1： Subjective method for the measurement
2、of sound attenuation 1990 1 ISO 4869 1 Acoustics Hearing protectors Part 1： Subjective method for the measurement of sound attenuation , . 1. . . . . ( ) , . , . . (500 Hz ) . 2. . . KS C IEC 60645 1 1： ISO 354 Acoustics Measurement of sound absorption in a reverberation room ISO 8253 2 Acoustics Au
3、diomertic test methods Part 2： Sound field audiometry pure tone and narrow-band test signals IEC 60225 Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations IEC 60263 Scales and sizes for plotting frequency characteristics and polar diagrams IEC 60651 S
4、ound level meters IEC 60804 Integrating-averaging sound level meter 3. . 3.1 (hearing protector) . 3.2 (ear-muff) . , . 3.3 (ear-plug) P ISO 4869 1： 2003 2 3.4 (helmet) 3.5 (hearing level) , , . ISO 389 . 3.6 (hearing threshold level) , ISO 6189 ISO 8253 1 . 3.7 (threshold of hearing) , . ISO 8253 2
5、 . 3.8 (sound attenuation) (： dB) 3.9 (pink noise) 3.10 (reference point) 3.11 (reverberation time) 60 dB (ISO 354 ) 3.12 (repeatability) ( , , , ) . 95 % . 3.13 (reproducibility) ( , , , ) . 95 % . 4. 4.1 IEC 60225 1/3 , . 63 Hz( ) 125 Hz 250 Hz 500 Hz 1 000 Hz 2 000 Hz 4 000 Hz 8 000 Hz 4.2 4.2.1
6、, . a) ( ) , , , , , 15 cm 2.5 dB . , 3 dB . . P ISO 4869 1： 2003 3 b) 500 Hz 5 dB 5 dB . 1 . 1 (dB) (dB) 5 4.5 4 4 5 4.5 4 1. , , . 2. , . 4.2.2 ( ) 1.6 . 4.2.3 2 . . . P ISO 4869 1： 2003 4 2 Hz 1/3 ( 20 Pa) dB 31.5(1) 40(1) 50(1) 63 80 100 125 160 200 250 315 400 500 630 800 1 000 1 250 1 600 2 00
7、0 2 500 3 150 4 000 5 000 6 300 8 000 10 000 57 43 31 25 21 18 14 11 9 6 4 3 2 1 1 1 1 2 2 1 1 4 2 3 10 20 (1) 125 Hz , 63 Hz . 63 Hz , 31.5 Hz . 4.3 4.3.1 112 Hz(125 Hz 1/3 63 Hz 56 Hz) 9 000 Hz(8 000 Hz 1/3 ) . 3 . P ISO 4869 1： 2003 5 3 Hz ( 20 Pa) Hz 63(2) 125 250 500 1 000 2 000 10 80(3) 5 70 1
8、0 70 15 80 20 80 20 90 (2) . (3) 70 dB . 3 . 16 kHz 1 31.5 Hz 1 , 1/3 40 dB . IEC 60225 (IEC 60804 Leq) , F(IEC 60651) . 4.3.2 2.5 dB . 4.3.3 2 dB , 80 dB 1 dB . . . , . 4.3.4 KS C IEC 60645 1 . 4.4. 4.4.1 2 000 Hz 15 dB , 2 000 Hz 25 dB . 2 10 dB . 4.4.2 , , . 4.4.3 6 dB , 4.1 3 . . 4.4.4 4.4.1, 4.
9、4.2, 4.4.3 16 . 4.5 4.5.1 2 . 2 , . 4.5.2 , . 4.5.3 , , P ISO 4869 1： 2003 6 . , , . . . “ ” . 60 70 dB( 20 Pa) . , “ , ” , , , . , . . . 4.5.4 , . 4.5.5 ISO 8253 2 . . 4.6 . 145 mm . 129 mm . . . 4.7 . . . . , , , 16 . IEC 60263 10 50 dB . . P ISO 4869 1： 2003 7 A() , , , . , ( 16 ) , ISO 5725 . A.
10、1 , A.2 . . . A.1 95 % (ISO 5725 .) ： dB 250 Hz 250 4 000 Hz 4 000 Hz ( ) 2.5 2 2.5 ( ) 2.5 2 3.5 ( ) 4 5 6.5 A.2 95 % (ISO 5725 .) ： dB 250 Hz 250 4 000 Hz 4 000 Hz ( ) 3.5 2.5 3.5 ( ) 5 4 4 ( ) 8 6.5 6.5 P ISO 4869 1： 2003 8 B() 1 ISO 389： 1985 Acoustics Standard reference zero for the calibration
11、 of pure tone air conduction audiometers 2 ISO 5725： 1986 Precision of test methods Determination of repeatability and reproducibility for a standard test method by inter-laboratory tests 3 ISO 6189： 1983 Acoustics Pure tone air conduction threshold audiometry for hearing consevation purposes 4 ISO
12、8253 1： 1989 Acoustics Audiometric test methods Part 1： Basic pure tone air and bone conduction threshold audiometry 5 BRINKMANN, K. and RICHTER, U. Repeatability and reproducibility of sound attenuation measurements on hear-ing protectors according to ISO 4869. Internal Report. Physikalisch Technis
13、che Bundesanstalt, Braunschweig, Germany, F.R., 1988 6 POULSEN, T. Nordic round robin test in hearing protector measurements, Vol. I, Internal Report No.21. The Acous-tics Laboratory, Technical University of Denmark, 1984 7 SHIPTON, M.S. Intercomparison of measurements on ear protectors by subjectiv
14、e and objective test methods. Final report on the 1982 EEC intercomparison. EUR 10575 E.N. Luxembourg, Office for Official Publications of the Euro-pean Communities, 1986 1： 2003 5 26 135 513 701 7 (02)6009 4567 (02)6009 4888 4889 http:/standard.ksa.or.kr 607 822 1 11( 10 ) (051)557 1239 702 012 2 1
15、741( 3 ) (053)384 1562 4 402 714 989 1( 11 ) (032)420 0120 3 442 270 111 8( 9 ) (031)259 7000 9 200 041 1 9( 4 ) (033)252 9423, 254 9423 361 802 1508 1( 6 ) (043)236 2451 3 305 343 23 14( 5 ) (042)864 2301 3 561 841 1 337 2( 7 ) (063)214 2235 7 506 301 621 15( 5 ) (062)953 1435 7 641 740 7 4( 501 )
16、(055)266 4744 6 683 804 758 2( 2 ) (052)289 6601 3 425 852 773 9( 4 ) (031)492 5780, 8451 2 730 350 92 30( 8 ) (054)473 6954 480 848 2 487 6( 3 ) (031)829 8182 4 KOREAN STANDARDS ASSOCIATION KSKSKS SKSKS KSKS SKS KSKS SKSKS KSKSKS KS P ISO 4869 1： 2003 Acoustics Hearing protectors Part 1：Subjective method for the measurement of sound attenuation ICS 13.340.20
