| 摘要 |
PROBLEM TO BE SOLVED: To provide a technology that collects data to estimate the switching period for a television commercial. SOLUTION: This invention provides a CM analyzing device that is installed at a home and transmits data with respect to commercials viewed in the home to a CM survey center as CM analysis data. It is equipped with a reception means that receives reduced CM data whose data amount is reduced by using a specific algorithm as to commercial video images of an object among broadcast output data of each broadcasting station, a reception data storage means that stores the received CM reduction data, an output data storage means that records output reduction data whose data amount is reduced by using a specific algorithm as to broadcast output data actually viewed by a broadcast receiver, an arithmetic means that compares the output reduction data with the CM reduction data to figure out viewed commercials, and a transmission means that transmits an arithmetic result of the arithmetic means to the CM survey center. |
