Designation:E1573−09StandardTestMethodforEvaluatingMaskingSoundinOpenOfficesUsingA-WeightedandOne-ThirdOctaveBandSoundPressureLevels1ThisstandardisissuedunderthefixeddesignationE1573;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.INTRODUCTIONThistestmethodisoneofasetofstandardsforevaluatingtheacousticalperformanceofcomponentsorsystemsinanopenoffice.Theotherstandardsinthissetdealwiththemeasurementofthesoundattenuationbetweenworkstationsprovidedbypartialheightspacedividers,verticalsurfaces,andacousticalceilingsystems;speechprivacy;andtheevaluationofmaskingsound.1.Scope1.1ThistestmethodspecifiestheproceduresthatcanbeusedtoevaluatethespatialandtemporaluniformityofmaskingsoundinopenofficesusingA-weightedsoundlevels.Italsospecifiestheprocedureforevaluatingthemaskingsoundspectrumandlevelusingone-thirdoctavebandsoundpressurelevels.1.2TheresultsofthistestmethodcanbeusedtodetermineifthemaskingsoundmeetsaparticularspecificationforspatialandtemporaluniformityifthatspecificationiswrittenintermsofA-weightedsoundlevelsandifthemaskingsoundmeetsaparticularspectrumshapeandlevelintheofficearea.1.3Thistestmethodmustnotbeusedtoevaluatetheacousticalenvironmentinanofficespace.Itisintendedonlytoevaluatethemaskingsoundinanoffice.Thistestmethod,forinstance,doesnotevaluatethelowfrequencyrumblenoisefoundinsomeoffices.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2C634TerminologyRelatingtoBuildingandEnvironmentalAcousticsE1374GuideforOpenOfficeAcousticsandApplicableASTMStandards2.2ANSIStandards:3S1.11–2004SpecificationforOctave-BandandFractional-OctaveBa...
