Patent ID: 7962940
Filing Date: 2011-06-14
Classification: H04N

Abstract:
1. A digital broadcast system, comprising: a digital broadcast transmitting system to transmit a digital signal having system information data comprising abridged channel names of digital broadcast channels and media data, according to a Program and System Information Protocol (PSIP); and a digital broadcast receiving system to store the system information data comprising the abridged channel names and corresponding channel numbers of digital broadcast channels, to search the stored system information data in response to input of an input abridged channel name, to output a corresponding channel number if a stored abridged channel name matches the input abridged channel name, and to switch channels according to the output channel number, wherein said channel name information and channel number information are recorded in a virtual channel table (VCT) of the PSIP, and wherein said abridged channel name is recorded in a private descriptor of a Network Information table (NIT) correlating with the virtual channel table (VCT) of the PSIP.