USER TERMINAL, BROADCASTING APPARATUS, BROADCASTING SYSTEM COMPRISING SAME, AND CONTROL METHOD THEREOF

Disclosed are a broadcasting apparatus, a user terminal, a broadcasting system comprising same, and a control method thereof. The broadcasting apparatus, according to one aspect, may comprise: a communication unit that supports a video call between user terminals connected to a chat room through a communication network; an extraction unit that generates a video file and an audio file by using a video call-related video file received through the communication unit, and extracts original language information for each caller by using at least one of the video file and the audio file; a translation unit that generates translation information obtained by translating the original language information according to the language of a selected country; and a control unit that controls an interpretation/translation video, in which at least one of the original language information and the translation information is mapped to the video call-related video file, to be transmitted to viewer terminals and the user terminals connected to the chat room.