An electronic device is provided. The electronic apparatus includes a communicator; a storage configured to store a channel map including a channel name, and a broadcasting frequency and a channel number corresponding to the channel name; and a processor to extract a first keyword from a first voice command and search the channel map for the first keyword, store the first keyword, extract a secondkeyword from a second voice command within a predetermined period of time of the first voice command, and search the channel map for the second keyword in response to the first keyword not being found in the channel map, and generate a control command to select a channel number corresponding to the second keyword in the channel map and add the first keyword as a pseudo channel name for the selected channel number in response to the second keyword being found in the channel map.