Disclosed herein is an electronic apparatus and method thereof. The electronic apparatus includes a communication unit receiving content and additional information for the content, a signal processing unit signal-processing the content and determining the signal-processed contents into one of an audio signal and a video frame, and a processor determining a first keyword and a second keyword for the first keyword by using the additional information and generating summary content according to a plurality of video frames synchronized to a plurality of audio signal sections corresponding to at least one of the first keyword and the second keyword. As a result, the summary contents are able to be easily generated.