Recently, some research on control service models for distributed multimedia objects have been made based on socket. However, the existing socket-based control service models are too primitive to provide interconnectivity among the open distributed systems. In this paper, we propose a new control service model based on CORBA, called DIMCA/ORB, for the distributed multimedia objects that solves the problems of the existing socket-based models. The proposed DIMCA/ORB provides real-time bindings, Quality of Service (QoS), and negotiation between objects for the transfer of multimedia data. It also supports an effective solution for the integration of heterogeneous components in an open distributed environment.