A method of controlling a receiver for processing a broadcast signal defining a multi-channel broadcast, and a broadcast receiver using the same, enable the joint management of a plurality of channels, which are effectively bundled together according to relevance of broadcasting Content, such that broadcast programs of associated channels can be simultaneously processed, including processes of viewing, recording, and editing. The method includes steps of receiving a broadcast signal having additional information, the additional information including associated channel Information indicating a channel of associated broadcasting content, the associated channel information enabling the receiver to recognize channels having associated broadcasting content; detecting, based on the associated channel information, at least one channel having the associated broadcasting content according to a selection of a specific channel, the detected at least one associated broadcasting content channel having broadcasting content associated with the selected channel; and processing in tandem a broadcast program of the selected channel and a broadcast program of the detected at least one channel.