1. A broadcast signal transmitting apparatus comprising: a first encoder configured to generate a video stream of a frame compatible 3-Dimensional Television (3DTV) service for a video component; a second encoder configured to generate signaling information for signaling the video stream, the signaling information comprising first information indicating whether the video stream is a frame compatible 3DTV video format or a High Definition Television (HDTV) video format, service type information indicating that a service type of the video stream is a High Efficiency Video Coding (HEVC) service, and a plurality of component descriptors indicating a type of the HEVC service with respect to the video stream; and a transmitting unit configured to transmit a broadcast signal comprising the video stream and the signaling information.