The present invention relates to an apparatus for transmitting and receiving a signal and a method for transmitting and receiving a signal. The present invention provides a method for transmitting a signal, comprising the steps of: (S110) encoding video service data, the video service data comprising UHD video service data; (S120) generating signaling information, the signaling information comprising service description information describing a service, the service description information comprising a first descriptor including service type information which determines a service type, wherein if the service type has a first coding value, the first coding value indicates that the service is a HEVC digital television service, the service information comprising information about an event related to the service, the event information or the service description information comprising a second descriptor, the second descriptor information comprising video characteristic information of the UHD video service data, the video characteristic information comprising video codec information and frame rate information of the UHD video service data; (S130) multiplexing the signaling information and the UHD video data to a transport stream; (S140) channel coding the transport stream; and (S150) modulating the transport stream and transmitting the modulated stream.