1、 3 ISO 3382-3:2012Acoustics Measurement of room acoustic parameters Part 3: Open plan offices(IDT) 3382-320131 - ( ) - , 42 358 3 - 5 2013 . 2173-4 3382-3:2012 . - . 3. (ISO 3382-3:2012, Acoustics Measurement of room acoustic parameters Part 3: Open plan offices). - - , 5 1.02012 ( 8). ( 1 ) , . - (
2、) . , - (gost.ru) , 2014 , - - II 3382-32013 - , , . . , - , . - . . -, , , -, , , , . , - . , , , , . , 3382-2. , - . - , . -. . - . -. , , , . - . , , . . - , (. 10). , - . , , , ( call-), . - , - .III 3382-32013 3 Acoustics. Measurement of room acoustic parameters. Part 3. Open plan offices 20141
3、2011 . -, . - . .2 . - , . 3382-1 . . 1. (ISO 3382-1, Acoustics Measurement of room acoustic parameters Part 1: Performance rooms) 3740 . (ISO 3740, Acoustics Determination of sound power levels of noise sources Guidelines for the use ofbasic standards) 3744 . . - (ISO 3744, Acoustics Determination
4、of sound power levels and sound energy levels of noise sourcesusing sound pressure Engineering methods for an essentially free field over a reflecting plane) 14257 . - (ISO 14257,Acoustics Measurement and parametric description of spatial sound distribution curves in workrooms forevaluation of their
5、 acoustical performance) 16032 . , - . (ISO 16032, Acoustics Measurement of sound pressure level fromservice equipment in buildings Engineering method) 61672-1 . . 1. (IEC 61672-1,Electroacoustics Sound level meters Part 1: Specifications) 61260 . (IEC 61260,Electroacoustics Octave-band and fraction
6、al-octave-band filters) 60268-16:2011 . 16. - (IEC 60268-16:2011, Sound system equipment Part 16: Objectiverating of speech intelligibility by speech transmission index)1 3382-320133 :3.1 (spatial sound distribution of theA-weighted sound pressure level of speech): , - , , .3.2 (spatial decay rate o
7、f speech) D2,S: - . DL2, 14257, . .3.3 4 (A-weighted sound pressure level of speech at a distanceof 4 m) Lp,A,S,4m, : 4 . . Lp,A,S,4m .3.4 (speech transmission index) STI: , - .IEC 60268-16:20113.5 (spatial sound distribution of thespeech transmission index): , , , .3.6 (distraction distance) rD, :
8、, - 0,50 . (. 8, 14).3.7 (privacy distance) rP, : , - 0,20 . , , , (. 8, 14). STI 0,20 -.3.8 (background noise level) Lp,B, : . , - , , , , , .4 STI 125 8000 . STI - 60268-16 ( ). - :- rD;- D2,S;- 4 Lp,A,S,4m;- Lp,A,B. STI - rP.2 3382-320135 5.1 5.1.1 , - . , - , () - (. 13). , - , . - 3382-1. 3382-1 - 1,2 .5.1.2 - 1- 61672-1. ( ). - 61260. (, ), , .5.2 5.2.1 , , , . STI. -, - . , STI , rD rP. - , . , - . , - (. 10). rD rP. - .5.2.2 , , 1. 6 10 ( 4).
