Patent ID: 8695036
Filing Date: 2014-04-08
Classification: H04H,H04N

Abstract:
1. A digital television receiver, comprising: a tuner to receive a transport stream including audio, video and additional information, the additional information including channel data conforming with an ATSC standard and Program Specific Information (PSI) tables conforming with an MPEG standard; an extractor to obtain the channel data from the additional information, where the channel data is used for channel search and tuning, wherein the channel data includes one or more separately identifiable channel groupings, each having one or more two-part channel numbers, where each of the one or more two-part channel numbers includes a main channel number as a first part and a sub-channel number as a second part, and where each two-part channel number of a respectively identifiable channel grouping has a same main channel number and different sub-channel numbers; and a user interface to enable a user to navigate the two-part channel numbers of the channel data to search a channel, wherein the channel data is associated with the PSI tables including program-associated information conforming with the MPEG standard, to obtain programs included in the transport stream conforming with the MPEG standard, wherein an identifiable program according to the MPEG standard is distinguished from a predetermined corresponding two-part channel number, and wherein the navigation of the two-part channel numbers is set to enable two-dimensional channel navigation, by a user, between one or more two-part channel numbers of a first channel grouping, and between the first channel grouping and a second channel grouping.