Patent ID: 8532146

Claim:
A digital broadcasting transmission apparatus to allow for a rapid channel change from a digital broadcasting physical channel to another digital broadcasting physical channel, the digital broadcasting transmission apparatus comprising: a program specific information (PSI) generation unit for generating PSI of an audio/video (A/V) stream of a single digital broadcasting physical channel; a PSI length detection unit for detecting a length of the PSI generated by the PSI generation unit; a channel information (CI) generation unit for generating CI which includes PSI of a plurality of digital broadcasting physical channels input to the digital broadcasting transmission apparatus, wherein the plurality of digital broadcasting channels are simultaneously broadcasted and one of the plurality of digital broadcasting physical channels is selectively outputted through a tuner of a digital broadcasting reception apparatus; a CI insertion unit for dividing and inserting the CI into a PSI transmission area according to the length information of the PSI; and a transport stream (TS) multiplexing unit for multiplexing the A/V stream and an output of the CI insertion unit into a digital broadcasting TS of the single digital broadcasting physical channel and outputting the digital broadcasting TS of the single digital broadcasting physical channel, wherein the digital broadcasting TS of the single digital broadcasting physical channel contains the PSI of each channel of the plurality of physical channels simultaneously broadcasted, and wherein a quantity of the plurality of physical channels is greater than two physical channels.