| 摘要 |
A content receiver useable in a broadcast content distribution system comprises a content source and the content receiver, in which the content source broadcasts audio/video content for reception by content receivers with associated metadata defining links to other content for possible reproduction by the content receiver and information indicative of a category of each link;the content receiver being configured to generate link information for display in dependence upon received metadata relating to links having a subset of categories while reproducing the broadcast audio/video content;the content receiver comprising a user control operable to select a link, the selection of a link for which link information is currently displayed by the content receiver causing the content receiver to reproduce content defined by that link; and the content receiver comprising a category memory for storing category information defining the subset of categories, the content receiver being configured to modify the stored category information in dependence upon which links selected using the user control. |
