Abstract
In this paper, the accessibility of interactive television (iTV) is discussed as a primary factor for its satisfactory adoption and commercial success. The work presented here is undertaken in the context of a research project that focuses on delivering iTV services to disabled children. This objective is accomplished through the utilization of the arising MPEG-21 standard. Based on that standard, iTV accessibility is investigated in terms of metadata and content adaptation. The novelty of the contribution lies on a systematic methodology that deals with a wide range of accessibility problems, as opposed to previous studies that focus mostly on users with only one specific disability.
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