| 摘要 |
Disclosed is a digital broadcasting transmission system which includes: a plurality of single program encoders for encoding and multiplexing respective single programs constituted with video/audio/data signals; a PSIP generator for generating PSIP that provides detailed information on video/audio/data broadcasting programs to be multiplexed in the single program encoders; a multiple program multiplexer for multiplexing digital broadcasting stream transmitted from the signal program encoders and the PSIP transmitted from the PSIP generator; and a transmission unit for transmitting digital broadcasting signals multiplexed in the multiple program multiplexer. The PSIP includes at least one selected from the group consisting of the number of the data broadcasting programs contained in one video/audio broadcasting program, titles of the respective data broadcasting programs, each start time/end time of the respective data broadcasting programs, stably receivable time of the respective data broadcasting programs, grades of the respective data broadcasting programs, conditional access information of the respective data broadcasting programs, and content summary of the data broadcasting programs.
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