Patent ID: 8185070

Claim:
A channel setting method in a broadcast system, comprising: setting a center frequency for at least one of a n-th broadcasting channel and (n+1)-th broadcasting channel, and a searching frequency for the n-th and (n+1)-th channels according to the center frequency of the n-th broadcasting channel and the center frequency of the (n+1)-th broadcasting channel; obtaining channel information from a broadcast signal received through the n-th channel or the (n+1)-th channel in response to detecting the broadcast signal at the searching frequency; and storing the channel information, wherein the center frequency of the n-th broadcasting channel is a frequency at a center of a frequency band of the n-th broadcasting channel, and wherein the center frequency of the (n+1)-th broadcasting channel is a frequency at a center of a frequency band of the (n+1)-th broadcasting channel, and wherein the searching frequency is a middle frequency between the center frequency of the n-th channel and the center frequency of the (n+1)-th channel.