TRANSMITTER, RECEIVER, AND VIEWING HISTORY INFORMATION UTILIZATION TYPE BROADCASTING SYSTEM IN DATA BROADCASTING

摘要

PROBLEM TO BE SOLVED: To provide data broadcasting with a high added value by effectively acquiring highly precise data broadcasting viewing history information.;SOLUTION: A transmitter in data broadcasting which transmits data contents to viewers and collects the viewing history information of the data contents viewed by the viewers has a content generating means for generating the data contents on the basis of a video signal and an audio signal transmitted to the viewers and the viewing history information, and a transmitting means for transmitting the data contents generated by the contents generating means. The content generating means solves the problem by changing transmission conditions for the video signal, the audio signal or the data contents on the basis of the acquired viewing history information.;COPYRIGHT: (C)2004,JPO&NCIPI