Patent ID: 7757266
Filing Date: 2010-07-13
Classification: H04N

Abstract:
1. The digital television receiver comprising: a demodulator to demodulate a digital broadcasting signal including program and system information protocol (PSIP) data that includes a virtual channel table (VCT) and an event information table (EIT), and to output demodulated PSIP data, wherein the EIT includes an AC-3 audio descriptor, a caption service descriptor, and a content advisory descriptor, wherein the VCT includes a predefined data field which is set to zero for an inactive channel, wherein the inactive channel is a channel that is not presently carrying a broadcast program; however, the same inactive channel is scheduled to carry a broadcast program at a predetermined later time from a broadcasting station without local viewer interaction, wherein when the virtual channel is currently inactive, the receiver is capable of skipping over the virtual channel while a user is surfing; and a database to receive at least one table of the demodulated PSIP data.