【英文标准名称】:Acoustics-Description,measurementandassessmentofenvironmentalnoise-Part1:Basicquantitiesandassessmentprocedures
【原文标准名称】:声学环境噪声的描述、测量和评价第1部分:基本参量和评价方法
【标准号】:ISO1996-1-2003
【标准状态】:现行
【国别】:国际
【发布日期】:2003-08
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:噪声;声学测量;环境噪声;噪声(环境的);极限(数学);噪声排放;测量;声压级;测量单位;尺寸;噪声困扰;定义;评定;声音暴露;环境;声学;声级
【英文主题词】:Acousticmeasurement;Acoustics;Ambientnoise;Assessment;Definitions;Environment;Limits(mathematics);Measurement;Noise;Noiseannoyance;Noise(environmental);Noiseimmisions;Size;Soundexposure;Soundlevels;Soundpressurelevel;Unitsofmeasurement
【摘要】:ThispartofISO1996definesthebasicquantitiestobeusedforthedescriptionofnoiseincommunityenvironmentsanddescribesbasicassessmentprocedures.Italsospecifiesmethodstoassessenvironmentalnoiseandgivesguidanceonpredictingthepotentialannoyanceresponseofacommunitytolong-termexposurefromvarioustypesofenvironmentalnoises.Thesoundsourcescanbeseparateorinvariouscombinations.Applicationofthemethodtopredictannoyanceresponseislimitedtoareaswherepeopleresideandtorelatedlong-termlanduses.Communityresponsetonoisecanvarydifferentlyamongsoundsourcesthatareobservedtohavethesameacousticlevels.ThispartofISO1996describesadjustmentsforsoundsthathavedifferentcharacteristics.Theterm“ratinglevel”isusedtodescribephysicalsoundpredictionsormeasurementstowhichoneormoreadjustmentshavebeenadded.Onthebasisoftheseratinglevels,thelong-termcommunityresponsecanbeestimated.Thesoundsareassessedeithersinglyorincombination,allowingforconsideration,whendeemednecessarybyresponsibleauthorities,ofthespecialcharacteristicsoftheirimpulsiveness,tonalityandlow-frequencycontent,andforthedifferentcharacteristicsofroadtrafficnoise,otherformsoftransportationnoise(suchasaircraftnoise)andindustrialnoise.ThispartofISO1996doesnotspecifylimitsforenvironmentalnoise.NOTE1Inacoustics,severaldifferentphysicalmeasuresdescribingsoundcanhavetheirlevelexpressedindecibels(e.g.soundpressure,maximumsoundpressure,equivalentcontinuoussoundpressure).Thelevelscorrespondingtothesephysicalmeasuresnormallywilldifferforthesamesound.Thisoftenleadstoconfusion.Therefore,itisnecessarytospecifytheunderlyingphysicalquantity(e.g.soundpressurelevel,maximumsoundpressurelevel,equivalentcontinuoussoundpressurelevel).NOTE2InthispartofISO1996,quantitiesareexpressedaslevelsindecibels.However,somecountriesvalidlyexpresstheunderlyingphysicalquantity,suchasmaximumsoundpressureinpascals,orsoundexposureinpascalsquaredseconds.NOTE3ISO1996-2dealswiththedeterminationofsoundpressurelevels.
【中国标准分类号】:Z32
【国际标准分类号】:13_140
【页数】:26P;A4
【正文语种】:英语