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This paper describes architecture of a streaming system for interactive digital television broadcast, using MPEG-4/7 technology in delivering interactive services. The streaming system complies with ATSC (Advanced Television Systems Committee) Digital Television Standard, and delivers data of all types in ATSC Data Broadcast specification. The streaming system provides transport streams conforming to MPEG-2 systems, and has been implemented on the basis of software, and in several parts in hardware. |