A broadcast signal transmitting apparatus comprising: a first encoder configured to generate a video stream of a frame compatible 3-Dimensional Television service; a second encoder configured to generate signaling information for signaling the video stream, wherein the signaling information includes first information indicating whether the video stream includes frame packing arrangement supplemental enhancement information (SEI) message, service type information indicating that a service type of the video stream is a High Efficiency Video Coding (HEVC) frame compatible 3DTV service, and a plurality of component descriptors indicating a type of component stream with respect to the video stream, wherein each of the plurality of component descriptors includes: component tag information including information for identifying component stream, a first stream content information, a second stream content information indicating a stream type of the component stream in combination with the first stream content information, and component type information indicating a component type of the component stream, [ wherein a combination of the first stream content information, the second stream content, and the component type information indicates the type of the component stream; and a transmitting unit configured to transmit a broadcast signal comprising the video stream and the signaling information. a first encoder configured to generate a video stream of a frame compatible 3-Dimensional Television service; a second encoder configured to generate signaling information for signaling the video stream, wherein the signaling information includes first information indicating whether the video stream includes frame packing arrangement supplemental enhancement information (SEI) message, service type information indicating that a service type of the video stream is a High Efficiency Video Coding (HEVC) frame compatible 3DTV service, and a plurality of component descriptors indicating a type of component stream with respect to the video stream, wherein each of the plurality of component descriptors includes: component tag information including information for identifying component stream, a first stream content information, a second stream content information indicating a stream type of the component stream in combination with the first stream content information, and component type information indicating a component type of the component stream, [ wherein a combination of the first stream content information, the second stream content, and the component type information indicates the type of the component stream; and a transmitting unit configured to transmit a broadcast signal comprising the video stream and the signaling information. component tag information including information for identifying component stream, a first stream content information, a second stream content information indicating a stream type of the component stream in combination with the first stream content information, and component type information indicating a component type of the component stream, [ wherein a combination of the first stream content information, the second stream content, and the component type information indicates the type of the component stream; and a transmitting unit configured to transmit a broadcast signal comprising the video stream and the signaling information. <EOS>