| 摘要 |
<p>The invention concerns in particular a digital television broadcasting method, wherein a transmitter transmits to a plurality of receivers main signals coding broadcasts and ancillary signals coding data on the television broadcasts, comprising descriptors of different categories (Service, Day, Broadcast Time, Programme, etc.) arranged into sets (S3, J2, T4, E5, etc.) in a database structured in accordance with a default access mode (chronological), and capable of being restored to the viewer in accordance with another access mode (thematic). The invention is characterised in that the annex data comprise, besides the database, a table of redundant data for each desired access mode in addition to the default access mode, each table comprising only part of the descriptors of the database, arranged in accordance with the desired specific access mode, and used as addresses for searching data in the database.</p> |
