Optimization Tecniques for Digital Television Applications Broadcasting

C. Herrero and P. Vuorimaa (Finland)

Keywords

Data Broadcasting, Digital Television, DSMCC, MHP Applications, Optimization Techniques

Abstract

Digital transmission not only increases the quality and robustness for audiovisual contents broadcasting. The Multimedia Home Platform presents a vendor, author and broadcaster neutral framework to create interactive television applications. To transmit them, together with the video and audio, DVB standards use the MPEG-2 DSM-CC Carousel protocols. The available bandwidth for broadcast digital applications is very limited because every channel transports multiple MPEG-2 streams. Thus, download time raises when a channel transports many applications or when their size increases. This paper presents some techniques to improve the presentation of digital television applications, by reducing their download and start-up times.

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