Impress: interactive multimedia service platform

摘要

IMPRESS (Interactive Multimedia exPRESS) is a service platform that supports various interactive multimedia services. The main objectives of developing IMPRESS are to implement DAVIC compliant service platform to verify DAVIC specification and to support new service developing and testing environemnt. IMPRESS includes video server, set-top box, delivery system and SRM (Session Resource Manager). interactive multimedia services such as movies on demand and home-shopping were developed via the IMPRESS. In this paper, we describe the overall architecture of our approach to the IMPRESS and the system implementation on the video server, set-top box, and service protocol based on the DAVIC specification.