Estimation of road traffic noise using measurements

摘要

Road traffic noise is traditionally evaluated using the equivalent level (L{sub}(eq)). For a moving source, the assessment of sound emission is made by determining the maximum of the sound pressure level (L{sub}(pmax)). The L{sub}(pmax) is alsoused to characterize the road surfaces. Some studies showed (using simulations or measurements performed on test tracks) that, for single-event vehicle pass-by, the L{sub}(eq) is related to the L{sub}(pmax) value. The aim of this paper is to extend theprocedure used on test tracks to real traffic conditions, and to study if the L{sub}(eq) of the traffic can be estimated accurately from regression analysis performed on these L{sub}(pmax) values.