11. The display device of claim 10 , wherein the processor is configured to determine whether the at least one query word matches the query term based on at least one of pronunciation patterns of the user and context information of the media data.
11. The display device of claim 10 , wherein the processor is configured to determine whether the at least one query word matches the query term based on at least one of pronunciation patterns of the user and context information of the media data. 12. The display device of claim 11 , wherein the context information comprises at least one of title information, genre information, character information, scene information, schedule information, audio related information, and image related information of the media data.