Efficient TVA metadata encoding for mobile and ubiquitous content services

Abstract

TVA (TV-Anytime) metadata allows users to find, navigate, and manage content through a variety of terminal devices. In general, a TVA metadata description is delivered from a content provider to a terminal device over a transport network. Because such metadata description can become very large, it is essential to encode each fragment of the metadata description in a compressed format before delivery and then decode the encoded fragments at the terminal device. This paper proposes a new fast TVA metadata encoding scheme efficient for mobile and ubiquitous devices such as smartphones, tablets, and wearable devices based on EXI (Efficient XML Interchange). The paper also presents the results of a performance comparison between the proposed scheme and the existing encoding scheme. As described in the experiments section, the proposed scheme performs over three times faster on average than the existing TVA encoding procedure based on BiM.