Abstract: Disclosed herein is a non real-time broadcast receiving system. The system includes: a non real-time service decoder dividing received non real-time service content into a transmission block according to a protocol; a service content manager monitoring whether the receive of the non real-time service content stops and acknowledging a schedule regarding whether a portion with errors in the non real-time service content is retransmitted; a memory storing a portion without errors in the non real-time service content; a file checker checking whether errors are produced during the receive of the non real-time service contents and determining whether the portion with errors in the non real-time service content is retransmitted; a retransmission request signal generator generating a retransmission request signal; a return channel transmitter transmitting the retransmission request signal; and a return channel receiver receiving data corresponding the portion with error.

Abstract: A hybrid broadcasting transmitting apparatus generates signaling information including a stream type of a plurality of broadcasting programs and a transmitting network type of the plurality of broadcasting programs, transmits signaling information and a broadcasting stream corresponding to a portion of a plurality of broadcasting programs through the communication network, and transmits signaling information and a broadcasting stream corresponding to the remaining portions of a plurality of broadcasting programs through the broadcasting network.

Abstract: A non-real time stereoscopic video service method and apparatus are provided. The non-real time stereoscopic video service method performed by a reception apparatus, including: extracting a program association table (PAT) from a received transport stream (TS) and analyzing the same; extracting a program map table (PMT) corresponding to a program selected by a user from the PAT and analyzing the same; extracting a stereoscopic video service descriptor from the PMT and analyzing the same; generating frame and/or time information of an image to be reproduced according to the analysis of the stereoscopic video service descriptor; and reproducing an image by synchronizing a reference image and a supplementary image based on the generated frame and/or time information.

Abstract: Provided are a method and an apparatus for providing broadcast contents and broadcasting service provision information by employing a cloud storage control server using a cloud storage, in which the broadcast contents and the broadcasting service provision information may be provided through a communications network and a broadcasting network operated by a broadcaster and thus, various broadcast contents may be effectively provided to a broadcast content receiver, the broadcast contents may also be stored in the cloud storage and thus, security for the broadcast contents may be improved and a bulk local storage may not be required.

Abstract: Provided is a method and system of transmitting and receiving a three-dimensional (3D) broadcasting service, and more particularly, to a method and system for transmitting and receiving a reference image and a 3D auxiliary image for the 3D broadcasting service through a digital broadcasting network in real-time or in non-real time. According to the present invention, a smooth broadcasting service may be provided to terminals receiving a two-dimensional (2D) or 3D broadcast.

Abstract: According to the present invention, a transmission apparatus and method and a reception method and apparatus for providing a 3D service are disclosed.

Abstract: Disclosed is a transport device in a video system which uses a hybrid video codec. The transport device includes a first video encoder which encodes a first video using a first video codec, a second video encoder which encodes a second video using a second video codec, and a delay buffer for synchronizing a delay time for the first video and the second video, based on a buffer size of if a first transport stream system target decoder (T-STD) stipulated in the first video encoder and a buffer size of a second T-STD stipulated in the second video encoder.

Abstract: Provided are a method and apparatus of synchronizing a reference picture and an additional picture of a real-time broadcasting program.

Abstract: Disclosed herein are a transmission apparatus and method and a reception apparatus and method for a program associated stereoscopic broadcasting service. The transmission apparatus includes: a real time stream encoder generating a real time stream by encoding a reference image; a non-real time (NRT) stream encoder generating an NRT stream based on an additional image; an image synchronization information generator generating a service signaling and image synchronization information (including an event information table (EIT) and a program map table (PMT)) stream for synchronizing the reference image and the additional image with each other based on 3D content synchronization information; and a re-multiplexer generating a program associated stereoscopic broadcasting stream by multiplexing the real time stream, the non-real time stream, and the service signaling and image synchronizing information stream.

Abstract: Disclosed are an apparatus and a method for transmitting a broadcasting service capable of signaling non-real-time 3D broadcasting content. An apparatus for transmitting a broadcasting service includes: a non-real-time (NRT) content encoder encoding stereoscopic image content including a reference image and an additional image to generate an NRT stream; an NRT signaling information encoder generating NRT signaling information including at least one of a service map table (SMT) and a non-real-time-information table (NRT-IT) that correspond to the content; and a multiplexer multiplexing the NRT stream and the NRT signaling information and transmitting the multiplexed NRT stream and NRT signaling information to a receiving apparatus. Therefore, content can be provided even when the reference image and the additional image are encoded into the single file format in the dual stream type.

Abstract: A method of synchronizing reference image with additional image in digital broadcasting includes generating at least one frame having predetermined identifier for providing notice of the start time of the reference image to receiver in advance; and transmitting at least one frame having the predetermined identifier to the receiver. Alternatively, the method of synchronizing reference image with additional image of includes generating signaling information containing additional image interlocking information at a transmission side in order to prepare for the additional image interlocked with the reference image at a reception side in advance; and providing the signaling information to the receiver. Therefore, it is possible to accurately and effectively perform the synchronization of 3D reference image with 3D additional image stored in the receiver or a streamed 3D additional image.

Abstract: A receiving apparatus includes a first receiving unit that receives signaling information and a first signal comprising reference data through a radio frequency broadcast network; a control unit that detects a plurality of additional data source information from the signaling information; a second receiving unit that accesses an internet protocol communication network, and receives a second signal comprising additional data from a source apparatus corresponding to each of the plurality of additional data source information; a storage unit that stores the reference data contained in the first signal and the additional data contained in the second signal; and an output unit that processes, synchronizes and outputs each of the reference data and additional data.

Abstract: A receiving apparatus includes a first receiving unit that receives a first signal comprising an information descriptor to describe service characteristics, reference data, and additional data reference information through a RF communication network; a second receiving unit that can be connected to an IP network; a demux unit that detects the information descriptor from the first signal; a first signal processing unit that processes the reference data; a control unit that, if it is determined as a hybrid service depending on the information descriptor, controls the second receiving unit to access a source apparatus corresponding to the additional data reference information; a second signal process unit that, if a second signal comprising additional data is received through the IP communication network, processes the additional data; and an output unit that synchronizes and outputs the reference data and the additional data.

Abstract: A receiving apparatus is provided. The receiving apparatus includes a first receiver which receives a first signal through a radio frequency (RF) broadcast network, a second receiver which receives a second signal through an internet protocol (IP) communication network, and a signal processor which detects pair type information from at least one of the first signal and the second signal, selects pair information, corresponding to the pair type information, from among the pair information included in the at least one of the first signal and the second signal, and synchronizes the first signal and the second signal with each other according to the selected pair information. Accordingly, different signals are synchronized and output.

Abstract: Disclosed herein is a non real-time broadcast receiving system. The system includes: a non real-time service decoder dividing received non real-time service content into a transmission block according to a protocol; a service content manager monitoring whether the receive of the non real-time service content stops and acknowledging a schedule regarding whether a portion with errors in the non real-time service content is retransmitted; a memory storing a portion without errors in the non real-time service content; a file checker checking whether errors are produced during the receive of the non real-time service contents and determining whether the portion with errors in the non real-time service content is retransmitted; a retransmission request signal generator generating a retransmission request signal; a return channel transmitter transmitting the retransmission request signal; and a return channel receiver receiving data corresponding the portion with error.

Abstract: A non-real time stereoscopic video service method and apparatus are provided. The non-real time stereoscopic video service method performed by a reception apparatus, including: extracting a program association table (PAT) from a received transport stream (TS) and analyzing the same; extracting a program map table (PMT) corresponding to a program selected by a user from the PAT and analyzing the same; extracting a stereoscopic video service descriptor from the PMT and analyzing the same; generating frame and/or time information of an image to be reproduced according to the analysis of the stereoscopic video service descriptor; and reproducing an image by synchronizing a reference image and a supplementary image based on the generated frame and/or time information.

Abstract: Provided is a method and system of transmitting and receiving a three-dimensional (3D) broadcasting service, and more particularly, to a method and system for transmitting and receiving a reference image and a 3D auxiliary image for the 3D broadcasting service through a digital broadcasting network in real-time or in non-real time. According to the present invention, a smooth broadcasting service may be provided to terminals receiving a two-dimensional (2D) or 3D broadcast.