Method and system for providing a multi-decoder based channel surfing service

A digital broadcasting system connected by a network to a broadcast receiver, the system comprising:

• a video signal extractor unit for extracting a video signal from each of a plurality of broadcast channel signals;
• a video source generator unit for generating a first and a second channel-surfing video source using the plurality of extracted video signals, the first and the second channel-surfing video sources including sub-videos for different broadcast channels;
• and
• a source configuration information encoder for encoding source configuration information of the first and the second channel-surfing video sources,
• wherein the broadcast receiver generates a channel-surfing screen by simultaneously decoding the first and the second channel-surfing video sources by way of a first and a second decoder.

A broadcast receiver for providing a channel surfing service, the broadcast receiver comprising:

• a tuner for receiving a plurality of channel-surfing video sources and source configuration information for the plurality of channel-surfing video sources from a digital broadcasting system, the plurality of channel-surfing video sources each including a sub-video for a different broadcast channel;
• a source configuration information decoder for decoding the source configuration information;
• a plurality of video decoders for decoding the plurality of channel-surfing video sources, respectively;
• and
• a screen configuring unit for configuring a channel-surfing screen using the decoded source configuration information and the plurality of sub-videos included in the plurality of channel-surfing video sources.