Abstract
In this paper we describe a system model to clarify the relationship among frequency transfer characteristics and the design parameters. By using SysML (Systems Modeling Language) the system architecture of a mirrorless interchangeable-lens camera is modeled from the view point of its shutter sound. Parameters affect the frequency transfer functions from inputs to outputs of each component constructs the system are clarified from the parametric diagram, while the activity diagram shows the resonance generated in the cavity from the propagated sound waves of different two components
