AUDIOVISUAL DATA COLLECTION SYSTEM OF DIGITAL BROADCASTING AND AUDIOVISUAL DATA COLLECTION METHOD

摘要

PROBLEM TO BE SOLVED: To provide a plan for an audiovisual data collection for audience rating examination directing to convenient digital data broadcasting services.;SOLUTION: A digital broadcasting receiver is provided with an audiovisual examination executing means, which records identification information of an audiovisual broadcasting station or an audiovisual program in a fixed time interval with a time at that time, in a nonvolatile storage part, and data stored in the nonvolatile storage part in a much greater fixed time interval is transferred to a center server via a communication line interface. This audiovisual examination executing means is one of broadcasting data which constitute a data broadcasting program described as a script, which is interpretable by a central processor of a receiver, and all the broadcasting stations continue to broadcast at all times the audiovisual examination executing means as the broadcasting data of the data broadcasting program.;COPYRIGHT: (C)2002,JPO