Patent ID: 8843226

Claim:
An electronic device connected to an external electronic device, the electronic device comprising: a display unit; a communication unit configured to perform data communication with the external electronic device; a sound output module; and a controller connected to the display unit, the communication unit and the sound output module, the controller configured to: display a first content on the display unit while a second content is displayed on the external electronic device which is connected to the electronic device, receive a message requesting transmission of first audio data of the first content from the external electronic device, wherein the message is generated by the external electronic device based on a sound output device being connected to the external electronic device and the first content being associated with the second content, and upon receiving the message, transmit the first audio data of the first content and second audio data together to the external electronic device, wherein the first audio data and the second audio data are generated by the electronic device and the second audio data is not associated with the first content, and wherein the first audio data and the second audio data are output by the external electronic device.