# The psychomechanics of simulated sound sources: Material properties of impacted bars **Opening (not a real abstract):** The psychomechanics of simulated sound sources: Material properties of impacted barsa) Stephen McAdamsb) Institut de Recherche et Coordination Acoustique/Musique (SMTS-Ircam-CNRS), 1 place Igor Stravinsky, F-75004 Paris, France and Département d’Etudes Cognitives, Ecole Normale Supérieure (DEC/ ENS), 45 rue d’Ulm, F-75230 Paris, France **Authors:** [[mcadams]]