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    KS C IEC 60050-801-2011 International Electrotechnical Vocabulary-Chapter 801 Acoustics and electroacoustics《国际电工词汇 第801章 声学和电声学》.pdf

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    KS C IEC 60050-801-2011 International Electrotechnical Vocabulary-Chapter 801 Acoustics and electroacoustics《国际电工词汇 第801章 声学和电声学》.pdf

    1、 KSKSKSKSKSKSKSK KSKSKS KSKSK KSKS KSK KS KS C IEC 60050 801 801: KS C IEC 60050 801:2011 2011 12 9 http:/www.kats.go.krKS C IEC 60050 801:2011 : ( ) ( ) ( ) : (http:/www.standard.go.kr) : :1974 12 24 :2011 12 9 2011-0561 : : ( 02-509-7294) (http:/www.kats.go.kr). 10 5 , . KS C IEC 60050 801:2011 i

    2、. ii 1 1 2 1 3 .2 3.1 (General terms) 2 3.2 (Levels)5 3.3 (Transmission and propagation) .9 3.4 (Oscillation)12 3.5 (Transducer parameters).14 3.6 (Microphones).22 3.7 (Loudspeakers and earphones).24 3.8 (Various apparatus)25 3.9 , (Physiological acoustics)27 3.10 (Musical acoustics)32 3.11 (Archite

    3、ctural acoustics) 33 3.12 (Underwater acoustics) .38 ( ) .42 ( ) .53 KS C IEC 60050 801:2011 62 KS C IEC 60050 801:2011 ii 1994 2 IEC 60050 801, International Electrotechnical VocabularyChapter 801: Acoustics and electroacoustics . “ ” . KS C IEC 60050 801:2011 801: International Electrotechnical Vo

    4、cabulary Chapter 801: Acoustics and electroacoustics 1 . 2 . . ( ) . KS C IEC 60645 1, 1: KS C IEC 60645 2, 2: KS C IEC 60645 3, 3: KS C IEC 60645 4, 4: KS C IEC 60645 5, 5: / KS C IEC 61672 1, ( ) 1: KS I ISO 16, ( ) KS F ISO 140 6, KS I ISO 389 1, 1: KS I ISO 389 2, 2: KS I ISO 389 3, 3: KS I ISO

    5、389 4, 4: KS I ISO TR 389 5, 5: 8 kHz 16 kHz KS I ISO 389 7, 7: KS I ISO 532, KS I ISO 3891, KS C IEC 60050 801:2011 2 3 . 3.1 (General terms) 3.2 (Levels) 3.3 (Transmission and propagation) 3.4 (Oscillation) 3.5 (Transducer parameters) 3.6 (Microphones) 3.7 (Loudspeakers and earphones) 3.8 (Various

    6、 apparatus) 3.9 , (Physiological acoustics) 3.10 (Musical acoustics) 3.11 (Architectural acoustics) 3.12 (Underwater acoustics) , . 3.1 , 3.2 3.8 , 3.9 3.12 . 3.1 (General terms) IEV ( ) 801 21 01 , acoustic oscillation,acoustic vibration, sound 801 21 02 , a) b) audible sound 801 21 03 ( 16 Hz) 20

    7、Hz . infrasound 801 21 04 ( 16 kHz) 20 kHz . ultrasound 801 21 05 (sinusoidal) pure sound, pure tone 801 21 06 (simple oscillation) complex sound 801 21 07 (震音 ), warble tone 801 21 08a noise 801 21 08b noise KS C IEC 60050 801:2011 3 IEV ( ) 801 21 09 , (disturbance) random noise 801 21 10 , white

    8、noise 801 21 11 , pink noise 801 21 12 , . . ambient noise 801 21 13 , , , , (sources) background noise 801 21 14 reverberation 801 21 15 ( ) . sound spectrum 801 21 16 (散 ) line spectrum 801 21 17 continuous spectrum 801 21 18 (靜壓 ) 1 1 013.25hPa . static pressure 801 21 19 , instantaneous sound pr

    9、essure 801 21 20 , sound pressure 801 21 21 peak sound pressure 801 21 22 20 Pa, 1 Pa IEC 60050 801 1 Pa . reference sound pressure 801 21 23 , (事象 , event) , A . A . 1 , . 2 (Pa2s), (Pa2ks), (Pa2h). sound exposure KS C IEC 60050 801:2011 4 IEV ( ) 801 21 24 . particle 801 21 25 , instantaneous part

    10、icle displacement 801 21 26 particle displacement 801 21 27 peak particle displacement 801 21 28 instantaneous particle velocity 801 21 29 , particle velocity 801 21 30 peak particle velocity 801 21 31 volume velocity 801 21 32 instantaneous particle acceleration 801 21 33 , simple sound source, mon

    11、opole 801 21 34 point sound source 801 21 35 , , strength of a simple sound source, strength of a monopole 801 21 36 , sound power of a source 801 21 37 (束 ), (束 ) sound energy flux, sound power through a surfaceelement 801 21 38 , , , (束 ) sound power density,sound intensity, sound energy flux dens

    12、ity 801 21 39 1/2 instantaneous potential sound energy density 801 21 40 1/2 instantaneous kinetic sound energy density KS C IEC 60050 801:2011 5 IEV ( ) 801 21 41 , sound energy density, total energy density 801 21 42 acoustic radiation pressure 801 21 43 (field quantity) , 0 . , , . 1 . 2 , . spec

    13、tral density, spectrum density 801 21 44 0 . power spectral density, power spectrum density 801 21 45 1/e 0.367 9 time constant 801 21 46 (刺戟 ), (振 ), (加振 ) (system) stimulus, excitation 801 21 47 ( ) . . response 801 21 48 . a) b) c) distortion 3.2 (Levels) IEV ( ) 801 22 01 , . 1 . , 2 , . 3 . lev

    14、el KS C IEC 60050 801:2011 6 IEV ( ) 801 22 02 10 . 10 (場量 ) , . . 10 , 10 2 . bel 801 22 03 1/10 1 , . 2 10 10 10 ( ) 10 , . 10 20 10 ( ) 20 . decibel 801 22 04 e 2.718 . 7.389 e 1/10. 1 8.686 dB , . neper 801 22 05 . 10 ( ) , 10 . dB , 1 pW sound power level 801 22 06 . 10 ( ) 10 . dB , 1 pW/m2 so

    15、und intensity level, sound energy flux density level KS C IEC 60050 801:2011 7 IEV ( ) 801 22 07 . 10 ( ) 20 . dB , 20 Pa, 1 Pa. . IEC 60050 801 1 Pa . sound pressure level 801 22 08 . 10 ( ) 20 . dB 1 nm/s. . particle velocity level 801 22 09 ( ) ( ) . 10 ( ) 20 ( ) . dB , 1 m/s2 . , . (vibratory)

    16、accelera-tion level 801 22 10 peak level 801 22 11 , . 10 ( ) 20 , . dB , 20 Pa . time-average sound pressure level, equivalent continuous soundpressure level 801 22 12 , ( ) , . 1 ( ) , 1/2 ( ) , 1/3 ( ) . band sound pressurelevel KS C IEC 60050 801:2011 8 IEV ( ) 801 22 13 , , 0 1 “( ) ” . 2 , Lps

    17、 . Lps 10 log10)/()/(0202BpBpdB p p0 : B B0 : 1 Hz . Lp , Lps Lp 10 log10(B/B0) dB . spectrum density level, spectrum level 801 22 14 , , 20 Pa . 10 ( ) 20 . dB 1 A, B, C fast(F), slow(S), impulse(I) KS C IEC 61672 1 . 2 . fast(F) A . A , F S . weighted sound pressure level, sound level 801 22 15 A

    18、. peak frequency- weighted sound pressure level, peak sound level KS C IEC 60050 801:2011 9 IEV ( ) 801 22 16 , , , , (20 Pa) . 10 ( ) 10 . dB A . time-average soundlevel, equivalent continu- ous sound level 801 22 17 , A (event) , 20 Pa 1 . , 10 ( ) 10 . dB. . sound exposure level 3.3 (Transmission

    19、 and propagation) IEV ( ) 801 23 01 , wave 801 23 02 (locus) surface wavefront 801 23 03 free progressive wave 801 23 04 (curl) 0 . compressional wave801 23 05 longitudinal wave 801 23 06 plane wave 801 23 07 (球面 ) spherical wave 801 23 08 cylindrical wave 801 23 09 transverse wave KS C IEC 60050 801:2011 10 IEV ( ) 801 23 10 0 . rotational wave, shear wave 801 23 11 bending wave 801 23 12 , 1 . 2 . . IEC “ ” , . Rayleigh wave 801 23 13 2 interference 801 23 14 2 beat 801 23 15 , (腹 ) . standing wave 801 23 16 0 , 1 0 . . 2 , ,


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