| 摘要 |
PROBLEM TO BE SOLVED: To provide the broad band information system for a distribution service and an interactive service. SOLUTION: The information system is provided with an information center 6, a broad band network 5, and a converter that has at least one coaxial network and digital data are sent to the broad band network 5 thereby, each channel is provided with a digitizer to modulate and digitize the channels in the information center and a multiplexer 8 multiplexes the digitized channels into one digital stream. |
