| 摘要 |
PROBLEM TO BE SOLVED: To provide data broadcasting whose picture quality is high by making it possible to reduce band width necessary for broadcasting, and to assign the portion to pictures compared with a the case that it is necessary to simultaneously broadcast a plurality of viewer information, and to trace detailed information from among them, and to provide data broadcasting whose response is satisfactory for a user by making it possible to reduce the band width, and to shorten a re-transmission cycle on a data carousel. SOLUTION: The same information is broadcast to all viewers, and only when there is any information the viewer wants to know in detail, the viewer information is referred to, and when the information is present on the Internet, an URL added with the view information is referred to, and when the information is present in a recording medium, the viewer information is classified by each directory and preserved, and the directory corresponding to the viewer information is accessed so that the optimal detailed information can be provided to the viewer. |
