Patent ID: 8347331

Claim:
A method of channel searching, comprising: extracting additional information from a transport stream for audio and video information, with the additional information including Program Specific Information (PSI) table data conforming with an MPEG standard and information transmitted according to an advanced television standard committee (ATSC) standard; generating a channel list based on the additional information, where the channel list is made up of one or more grouped plural channel numbers, such that each channel number of a respective grouping of channel numbers is identified by a two-part channel number having a same main channel number, as a first numeral part of each two-part channel number, and one or more distinct respective sub-channel numbers, as respective second numeral parts of each two-part channel number, and where each of the one or more grouped plural channel numbers are represented by two-part channel numbers having respectively different main channel numbers; and providing a user interface to allow a user to navigate the channel list to search a two-part channel number, wherein the generating of the channel list comprises incrementally providing program information from the additional information through the user interface by respectively updating the channel list as different program information for different two-part channel numbers is obtained from the transport stream, including respectively incrementally providing respective program information based upon determined proximities between one or more two-part channel numbers in a first channel list and additional two-part channel numbers whose program information is to be subsequently provided through the user interface with the one or more two-part channel numbers in the first channel list upon an updating of the first channel list.