KS C 7109-2007 Plasma display panels-Measuring method of acoustic noise on PDP module《等离子显示板 PDP模块的噪声测量方法》.pdf

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1、 KS C 7109KSKSKSKSSKSKSKS KSKSKS SKSKS KSKS SKS KS KS C 7109: 2007(2012 ) 2007 9 27 http:/www.kats.go.krKS C 7109: 2007 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :2007 9 27 :2012 12 31 2012-0854 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C 7109: 2007 (2012 ) Plasma display panels Meas

2、uring method of acoustic noise on PDP module 1 ( “PDP ” ) . PDP . PDP , , , . , . PDP , . . 2 . ( ) , , . ( ) ( .) . KS A ISO 3745, KS C 1505, KS C IEC 61988 1, 1: KS C IEC 61988 2 2, 2 2: 3 KS C IEC 61988 1, KS A ISO 3745 . 3.1 (sound pressure), p , (Pa) . KS C 7109: 2007 2 , ( ) ( ) . 3.2 (sound p

3、ressure level), Lp (p0) 10 , . (dB)log10202p=ppL (1) (dB) , (p0) 20 Pa(210 6Pa) . . 3.3 (time-averaged sound pressure level), L peq,T T , (dB) . . 101log10)(1.00Tpeq,dtTLtLTd= )(1log102020dtptpTT= (2) “eq” “T” . 3.4 (measurement time interval) (operational period) . 3.5 125 Hz 8 kHz . 3.6 (backgroun

4、d noise) . 3.7 KS C 1505 . 3.8 . 1 , Hz . KS C 7109: 2007 3 4 4.1 , : (253) , : 25 85 %, : 86106 kPa . . 4.2 . , . 4.2.1 PDP PDP ( , , ) . 4.2.2 PDP PDP , . 100 IRE , 30 . , . . 5 5.1 . a) b) c) JIS JIS (JIS C 1502), (JIS C 1505) . d) (data recorder) (tape recorder) (level recorder) 5.2 5.2.1 . 5.2.

5、2 PDP 1 m . KS C 7109: 2007 4 5.2.3 1 . 5.2.4 (Background Noise Level) 20 dB(A) . 5.2.5 50 Hz 8 kHz . 5.2.6 1/3 5.2.7 A 1 5.3 KS A ISO 3745 7. . (Lp) (Lp) 15 dB 10 dB , (Lp) . 15 dB , . 6 6.1 PDP V/2H/2 KS C 7109: 2007 5 KS C 7109: 2007 , . 1 . PDP , , . . . , . 2 , PDP KS . 3 . , , . 4 PDP LG LG SDI PDP 153787 1 145 3(16) (02)26240114 (02)26240148 http:/ Korean Agency for Technology and Standards http:/www.kats.go.kr KS C 7109: 2007KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Plasma display panels Measuring method of acoustic noise on PDP module ICS 31.120

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