System Aspects of TV-Anytime Metadata Codec in a Uni-directional Broadcasting Environment

Digital broadcasting environment in which digitalized AV contents can be sent has a room for data transmission as well. In this circumstance, effective encoding method of verbose XML type TV-Anytime metadata becomes important and also the broadcasting environment-specific refinement of TV-Anytime transportation specification is in great need. This paper suggests a well-tuned framework for encoding TV-Anytime metadata. Our TV-Anytime codec, the main subject of this paper, includes revision of the whole TVA codec system specification and external programming interfaces to communicate with the external modules in our unidirectional broadcasting head-end system.