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Program and System Information Protocol (PSIP) is data that is transmitted along with a station's DTV signal that tells DTV receivers important information about the station and what is being broadcast. The most important function of PSIP is to provide a method for DTV receivers to identify a DTV station and to determine how a receiver can tune to it. PSIP identifies both the DTV channel and the associated analog channel.
In addition to identifying the channel number, PSIP tells the receiver whether multiple program channels are being broadcast and, if so, how to find them. It identifies whether the programs are closed-captioned, conveys V-chip information, if data is associated with the program, and much more. Properly encoded PSIP data in DTV signals is vital information for receivers to correctly identify and tune to a particular station.
Program and System Information Protocol (PSIP) is data that is transmitted along with a station's DTV signal that tells DTV receivers important information about the station and what is being broadcast. The most important function of PSIP is to provide a method for DTV receivers to identify a DTV station and to determine how a receiver can tune to it. PSIP identifies both the DTV channel and the associated analog channel.
In addition to identifying the channel number, PSIP tells the receiver whether multiple program channels are being broadcast and, if so, how to find them. It identifies whether the programs are closed-captioned, conveys V-chip information, if data is associated with the program, and much more. Properly encoded PSIP data in DTV signals is vital information for receivers to correctly identify and tune to a particular station.