program and system information protocol (DTV) (PSIP)

With the Program and SystemInformation Protocol (PSIP), the Advanced Television Systems Committee(ATSC) has standardized program support for digital TV.

Among many functions, the standardization also includes the electronic program guide( EPG). PSIP provides the link between broadcasters and viewers and assists viewers in program selection. The functions of the PSIP protocol include support for programming digital TV, facilitation of program guidance, information about the selected program and its cost, and the transmission of identification numbers...