Abstract:
A broadcasting transmission/reception apparatus and method for transmitting three-dimensional (3D) auxiliary video and non-realtime service information table in non-realtime is provided. The broadcasting transmission apparatus includes: a non-realtime broadcasting server configured to generate three-dimensional (3D) auxiliary video stream for 3D auxiliary video and non-realtime service information table data stream for a non-realtime service information table data including information needed to receive and restore the 3D auxiliary video before a time point when a 3D stereoscopic broadcasting service is provided; a media coder configured to generate two-dimensional (2D) video stream for 2D video at a predetermined bit rate based on a bit rate of the 3D auxiliary video stream; and a multiplexer configured to multiplex the 2D video stream, the 3D auxiliary video stream, and the non-realtime service information table data stream on a predetermined sub-channel.
Abstract:
Provided are a method for transmitting data related to a stereoscopic image and a method for playing back a stereoscopic image. The stereoscopic image data transmitting method includes generating stereoscopic image data related to a stereoscopic still image in a predetermined file format (200), and transmitting the generated data. The file format (200) includes a media information unit (220) including the stereoscopic still image (222), control information (212) for controlling playing back the stereoscopic still image, and image composition information (214) indicating a type of composing a stereoscopic image using the stereoscopic still image.
Abstract:
An apparatus and a method for synchronizing and providing a stereoscopic image are provided. The method includes storing a first image, receiving a second image that forms a stereoscopic image with the first image correlated, synchronizing the first image and the second image, and outputting the synchronized two images.
Abstract:
Provided are an on- channel repeater and an on- channel repeating method. The on-channel repeater includes : a receiving means for receiving a Radio Frequency (RF) signal; a subtracting means for subtracting a replica of feedback signals from the signal received by the receiving means; a replica generating means for calculating the replica based on the signal acquired from the subtraction in the subtracting means and feeding back the replica to the subtracting means; an inverse channel estimating means for estimating inverse of a reception channel based on the signal acquired from the subtraction in the subtracting means and generating filter tab coefficients; a first adaptive filtering means for compensating for channel distortion of the signal subtracted by the subtracting means based on the filter tab coefficients generated in the inverse channel estimating means; and a transmitting means for converting a signal whose channel distortion is compensated by the first adaptive filtering means into an RF signal and performing radio transmission.
Abstract:
Provided are a transmitting and receiving system for non-realtime based digital realistic broadcasting, and a method thereof. The transmitting system includes a broadcasting TS generator for generating a 2-D TS for a 2-D image and an auxiliary TS for auxiliary information necessary for realistic broadcasting of the 2-D image, and a transmitter for transmitting the generated auxiliary transport stream before a corresponding broadcasting time and transmitting the generated 2-D transport stream according to a corresponding broadcasting schedule.
Abstract:
A method and apparatus for providing 3D still image service in a specific time interval during audio-visual service of digital broadcast are provided. The method includes receiving a reference image and a 3D supplement image, which construct a 3D still image, through a data channel or a video channel together with a 2D image; restoring the reference image and the 3D supplement image to the 3D still image; and displaying the 3D still image in a specific interval during digital audio-visual broadcast using the 2D image according to display information which includes a play time and a play mode.
Abstract:
Provided is a method for providing a DMB-based 3D stereoscopic image service using an MPEG-4 object descriptor of a new structure to provide users with a realistic 3D image service while maintaining compatibility to a conventional DMB system, and a decoding apparatus and method for the DMB-based 3D stereoscopic image service. The method includes the steps of: a) defining in a data service component type that a broadcast service is a DMB service, and defining a dimension of the DMB service in a user application type; and b) assigning a reference image and 3D additional information for a serviced 3D image as different streams which are independent from each other by using different object descriptors.
Abstract:
Provided is a method for providing three-dimensional (3D) contents service based on digital broadcasting. The method includes the steps of: a) extracting Program Association Table (PAT) information on Packet Identification (PID); b) acquiring Program Map Table (PMT) PID from the extracted PAT; c) analyzing version_number and Contents_type_descriptor and dividing typical broadcasting contents and 3D broadcasting contents; d) extracting the PID for each media stream formed for a reference image and a 3D additional information broadcasting service; e) extracting a corresponding media stream in the Transport Stream and transmitting the media stream to a corresponding decoder; and f) recovering an image of the transmitted media stream in the decoder and displaying the media stream.
Abstract:
Provided is an apparatus and method for providing service information in a digital data broadcast receiver, more particularly, a service information providing apparatus and method adopting a query and view method in a data broadcast receiver, such as a digital multimedia broadcasting (DMB) receiving terminal. The service information providing method adopting a query and view method in a data broadcast receiver includes the steps of : a) receiving a query on a specific service information from an application program; b) searching a service information database for the query, acquiring a list of service information objects, and generating and storing a service information view; and c) providing the generated service information view to the application program.