Patent ID: 7339954

Claim:
A multiplexing digital broadcast system comprising a receiving terminal and a broadcasting station, wherein said receiving terminal includes: a receiving side recording device configured to demodulate a specification digital data selectively specified from a multiplexing digital data transmitted by said broadcasting station to record; a receiving side table configured to record a position in a data string corresponding to a data unit of said specification digital data in which a demodulation ended in failure; and a communicating device configured to transmit said position in said data string to said broadcasting station, and wherein said broadcasting station includes: a broadcasting station side recording device configured to record an original data corresponding to said multiplexing digital data; and a supplemental data transmitting device configured to extract said specification digital data corresponding to said position in said data string from said original data and to transmit to said receiving terminal, and wherein said broadcasting station multiplexes said supplemental data with said multiplexing digital data.