Abstract:
A method of receiving a broadcast service is provided. The method includes receiving uncompressed audio or video content, obtaining information regarding a channel of the uncompressed audio or video content on the basis of a part of the uncompressed audio or video content, and obtaining content and trigger information for the broadcast service by using the obtained information.
Abstract:
Provided are a method of receiving an enhanced service and a video display device thereof. The method includes: receiving an audio-visual (AV) content; extracting first feature information from the received AV content; receiving a database including at least one of content information, enhanced service information, and an enhanced service, which correspond to the first feature information, from a first server by transmitting the extracted first feature information to the first server; storing the database received from the first server in a memory; extracting second feature information from the received AV content; and searching and obtaining one of content information, enhanced service information, and an enhanced service, which correspond to the extracted feature information, from the database.
Abstract:
Disclosed is an apparatus for transmitting a broadcast signal, an apparatus for receiving a broadcast signal, and a method for transmitting/receiving a broadcast signal using an apparatus for transmitting/receiving broadcast signal. A method for transmitting a broadcast signal according to the present invention comprises the steps of: generating a first PLP which includes an IP stream having at least one service component; signaling IP-PLP mapping information for linking the IP stream and the PLP in binary form and generating a second PLP which includes the signaled binary information; performing FEC-encoding and bit-interleaving on the first and second PLPs; generating a transmission frame including the first and second bit-interleaved PLPs; and modulating the transmission frame and transmitting a broadcast signal including the modulated transmission frame, wherein the IP-PLP mapping information includes IP information for identifying the IP stream and PLP information for identifying the PLP.
Abstract:
The disclosed method for processing a digital broadcast signal for a 3-dimentional, 3D, service comprises encoding video data for the 3D service into a video stream, the video data comprising a left picture and a right picture for a 3D image, generating the broadcast signal having the video data and service information for the 3D service, the service information including video depth range descriptor indicating a minimum disparity and a maximum disparity that occur during a given time window of the video stream, wherein the minimum disparity and the maximum disparity are a minimum difference and a maximum difference between horizontal positions of a pixel representing a same point in space in the left and right views of 3-dimentional image, respectively, and transmitting the digital broadcast signal for the 3D service.
Abstract:
Disclosed is a broadcast signal transmitting apparatus, a broadcast signal receiving apparatus, and a broadcast signal transceiving method in a broadcast signal transceiving apparatus. The broadcast signal transmitting method comprises the following steps: compressing the headers of data packets of an IP stream identified by IP address information, wherein the compressed data packets include a first packet, the header of which contains static field information, a second packet, the header of which contains dynamic field information, and a third packet, the header of which contains the compressed static field information and/or the compressed dynamic field information; signaling IP-PLP mapping information for mapping the IP stream and a component PLP for transmitting the IP stream, the IP stream compression information, and the header information of the first packet to L2 signaling information; and transmitting the header information of the second and third packets via the component PLP, and transmitting the L2 signaling information via a common PLP.
Abstract:
The present invention relates to a control device and a control target device, and particularly, to a method for transmitting a content list of a control target device and a control device. A method for allowing a control point device to receive a content list from a control target device, according to one embodiment of the present invention, comprises the steps of: transmitting a content list request message to the control target device; receiving a response message which includes a fragment of the content list; and displaying the content list based on the fragment, wherein the fragment includes a plurality of content objects corresponding to the number of content objects for one content list fragment.
Abstract:
Provided are a video display device and a method of controlling the same. The method includes: obtaining an uncompressed audio-visual (AV) content; playing the uncompressed AV content through the display unit; obtaining content information of the uncompressed AV content on the basis of a section of the uncompressed AV content; obtaining an enhanced service on the basis of the content information; and playing the enhanced service through the display unit.
Abstract:
The present invention relates to a digital receiver and a method for processing contents in the digital receiver. A digital receiver for 3D service according to one embodiment of the present invention comprises: a receiving unit which receives a 3D video base stream and system information including PVR support information of the 3D video base stream; a download module which adds a time-stamp to the 3D video base stream, and controls to configure and store an index file including information for PVR function performance of the 3D base stream, which is extracted from the PVR support information; a PVR module including an upload module which uploads the stored 3D video base stream on the basis of at least one of the index file and time-stamp values; a decoder which decodes the uploaded 3D video base stream; a formatter which formats the decoded 3D video data according to an output format; and an output unit which outputs the formatted 3D video data.
Abstract:
According to the present invention, a digital receiver that processes 3D video data comprises: a receiving unit for receiving a first broadcast signal, including a first 3D service and first signaling data for the first 3D service, via a first channel, and a second broadcast signal, including a second 3D service related to the first 3D service and second signaling data for the second 3D service, via a second channel; a demultiplexer for demultiplexing 3D service data and signaling data from the first broadcast signal and second broadcast signal, respectively; a control unit for acquiring information on the channel for receiving the second broadcast signal on the basis of the demultiplexed first signaling data to control the reception of the second broadcast signal, and controlling the received second broadcast signal on the basis of the second signaling data such that 3D service data in the second broadcast signal are outputted at a predetermined point on a display screen; a decoder for decoding each datum of the 3D service data; a formatter for formatting each datum of the decoded 3D service data in accordance with an output format of the display screen; and a display unit for displaying each datum of the formatted 3D service data on the screen. Another example of a digital receiver that processes 3D video data according to the present invention comprises: a receiving unit for receiving a first broadcast signal, including a first 3D service and first signaling data for the first 3D service, via a first channel, and a second broadcast signal, including a second 3D service related to the first 3D service and second signaling data for the second 3D service, via a second channel; a demultiplexer for demultiplexing 3D service data and signaling data from the first broadcast signal and second broadcast signal, respectively; a control unit for controlling the received second broadcast signal on the basis of the demultiplexed first signaling data such that the second broadcast signal is converted into extended 3D service data and displayed at a predetermined point on a display screen; a decoder for decoding each datum of the 3D service data; a formatter for formatting each datum of the decoded 3D service data in accordance with an output format of the display screen; and a display unit for displaying each datum of the formatted 3D service data on the screen.