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System and Method for Understanding Data of Electronic Programme Guides to be transmitted that includes receiving Data Guides, and apply a First and a Second Compression Layer
System and Method for Understanding Data of Electronic Programme Guides to be transmitted that includes receiving Data Guides, and apply a First and a Second Compression Layer
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机译:用于理解要发送的电子节目指南的数据的系统和方法,包括接收数据指南并应用第一和第二压缩层
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摘要
Broadcast server and method for transmitting electronic program guide data to set top boxes (4) via a broadcast network (6). The broadcast server (8) is arranged to prepare a list of unique entries and associated identifications of the text items received, and to provide a compressed list to the plurality of set top boxes (4). The broadcast server (8) repeats the following steps for each text item in the list: - determining whether a next text item has a number of shared characters at the start in common with a compressed text item from the compressed list, identifying said compressed text item as a source of shared characters and determining the number of shared characters; - storing for the next text item an identification, a reference to the source of shared characters, the number of shared characters, and the remaining non-shared text in the compressed list.
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