EN17285-2020isaEuropeanstandardtitled"Railwayapplications—Acoustics—Measurementofsoundwarningfromdoors."Itprovidesguidelinesandproceduresformeasuringtheacousticperformanceofdoorwarningsoundsinrailwaysystems.Thestandardfocusesonensuringthatauditorysignalsemittedbydoors,suchasthoseindicatingopening,closing,ormalfunction,areeffectivelymeasuredforcompliancewithsafetyandaccessibilityrequirements.Keyaspectsincludedefiningmeasurementmethods,equipmentspecifications,testenvironments,andcriteriaforevaluatingsoundpressurelevels,frequencies,anddurationstoensurewarningsareaudibleanddistinguishableintypicalrailwaynoiseconditions.Thishelpsenhancepassengersafetyandoperationalconsistencyacrossrailnetworks.