Patent application number | Description | Published |
20080201746 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING ELECTRONIC SERVICE GUIDE IN A DIGITAL BROADCASTING SYSTEM - A method for transmitting an Electronic Service Guide (ESG) in a Convergence of Broadcasting and Mobile Service (CBMS) system is provided. A delivery path of ESG data is parsed. A first information element indicating transmission of a broadcast ESG when the ESG data can be delivered over a broadcast network is set. A second information element indicating transmission of a Point-to-Point (PTP) ESG for a terminal or a terminal group when the ESG data can be delivered over an interactive network in a PTP bearer is set. ESG delivery information is transmitted including at least one of the first and second information elements, to at least one terminal over at least one ESG bootstrap session for carrying information necessary for transmission of the ESG data. The broadcast ESG and the PTP ESG are transmitted to the at least one terminal over at least one delivery path out of the broadcast network and the interactive network. | 08-21-2008 |
20080263614 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING BROADCAST SERVICE DATA IN A DIGITAL BROADCASTING SYSTEM - A system and method for transmitting broadcast service data in a digital broadcasting system. The method includes setting a flag indicating a service area representative of coverage where broadcast service data is provided, for each broadcast service; and transmitting broadcast service information including the flag and a Transport Stream (TS) including the broadcast service data. | 10-23-2008 |
20090204997 | METHOD AND APPARATUS FOR SUPPORTING MOBILITY IN A MOBILE BROADCASTING SYSTEM - A method and apparatus for supporting mobility in a mobile broadcasting system in which Electronic Service Guide (ESG) discovery is required. The mobility support is classified into three ways according to three different aspects. The first way is to provide roaming information for a local IPDC operator having a roaming partner among local IPDC operators. In the second way, a terminal transmits a query message for requesting transmission of information on a particular local IPDC operator, and receives information on the particular local IPDC operator in response thereto. The third way is to provide the terminal with type information of an ESG; an access type of which is classified according to provision of a roaming service. The roaming information, the information on the particular local IPDC operator and the type information of the ESG, which are provided to the terminal from the mobile broadcasting system, can be provided in an ESG bootstrap level. | 08-13-2009 |
20090300690 | METHOD AND APPARATUS FOR SENDING AND RECEIVING BROADCAST SERVICE IN A DIGITAL BROADCASTING SYSTEM - A method and apparatus for sending a broadcast service in a digital broadcasting system. The method includes assigning a same Internet Protocol (IP) address for a common broadcast service when the common broadcast service is provided in at least two IP platforms, each of the at least two IP platforms providing a broadcast service to a terminal; delivering the common broadcast service using the same IP address; and delivering related information relevant to the common broadcast service. | 12-03-2009 |
20100091737 | APPARATUS AND METHOD FOR HANDOVER/ROAMING DURING FILE DOWNLOADING/STREAMING - Apparatuses and methods for handover or roaming during a file download or streaming. A streaming roaming method in a Convergence of Broadcast and Mobile Services (CBMS) system includes generating a Session Description Protocol (SDP), a fragment, or a notification message indicating streaming roaming or handover information, and transmitting the SDP, the fragment, or the notification message to a terminal. | 04-15-2010 |
20100299708 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MULTI-FORMAT DIGITAL BROADCASTS - A method and apparatus for transmitting and receiving multi-format digital broadcasts are disclosed. The method of transmitting multi-format digital broadcasts, includes creating digital broadcast services having different formats and electronic service guides (ESG) associated with the digital broadcast services; creating entry information for accessing the ESGs; and transmitting the digital broadcast services, the ESGs, and the entry information. The same broadcast services may be provided in multiple formats, and a broadcast receiver may selectively receive a broadcast service having a supportable format. Hence, it is possible to enhance effectiveness in reception of a digital broadcast service. | 11-25-2010 |
20110219098 | METHOD AND APPARATUS FOR GENERATING AND REPRODUCING ADAPTIVE STREAM BASED ON FILE FORMAT, AND RECORDING MEDIUM THEREOF - A method and an apparatus for generating and reproducing an adaptive stream based on a file format is disclosed. The method includes receiving one or more segments, each of which includes a manifest box, a moov box, and a media data box, from a server and analyzing the manifest box, the moov box, and the media data box; and decoding and reproducing the one or more segments based on a result of analyzing of the manifest box, moov box, and media data box, wherein the manifest box, moov box, and media data box are included in a single file. | 09-08-2011 |
20110265138 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SERVICE DISCOVERY INFORMATION IN MULTIMEDIA TRANSMISSION SYSTEM AND FILE STRUCTURE FOR THE SAME - A method and apparatus are provided for transmitting service discovery information in a multimedia transmission system. Service discovery information, including service access information for reception of a service, is generated. The service discovery information is transmitted after being classified into a plurality of levels. | 10-27-2011 |
20120117263 | MANIFEST MECHANISM IN BROADCAST INVOLVED SYSTEM - A method and an apparatus for receiving manifest information by a client from a broadcast involved system are provided. The method includes accessing the broadcast involved system, receiving timing information comprising a specific entry point to check the manifest information, and acquiring the manifest information from a broadcasting channel using the timing information. | 05-10-2012 |
20130278634 | METHOD AND APPARATUS OF PROCESSING DATA TO SUPPORT AUGMENTED REALITY - A method and apparatus of processing data to support Augmented Reality (AR) are provided. In the method, an image file including at least a scene description stream, an object descriptor stream, and a visual stream including a real-world medium is received, the scene description stream including an AR node that represents information about at least one piece of AR content used to augment the real-world medium, information about an AR locator and an object descriptor Identifier (ID) is acquired from the AR node, the AR locator describing when the at least one piece of AR content appears and how the real-world medium is augmented with the at least one piece of AR content and the object indicator ID identifying an Object Descriptor (OD) that describes the at least one piece of AR content, and at least one elementary stream descriptor. | 10-24-2013 |
20130282715 | METHOD AND APPARATUS OF PROVIDING MEDIA FILE FOR AUGMENTED REALITY SERVICE - A method and an apparatus of processing a media file for an Augmented Reality (AR) service are provided. The method includes storing a media file including information about an event to provide the AR service, and providing the media file. The information about the event includes identification information about an event item and information about an event type. | 10-24-2013 |
20150085940 | METHOD AND APPARATUS FOR REPRODUCING VIDEO DATA - A method and an apparatus for reproducing video data are provided. The method includes the steps of extracting a coded video data stream and video data attribute information from the stored video file, extracting samples relevant to an expanded time layer from the extracted video data stream on the basis of the location information of the sample which allows for temporal layer access contailed in the video data attribute information, and restoring and reproducing the extracted samples. | 03-26-2015 |
Patent application number | Description | Published |
20080316973 | Method and Apparatus for Supporting a Handover Using an Interactive Channel in a Dvb-H Cbms System - An apparatus and method for continuously providing a selected service being watched when a user moves out of a cell or network in a Digital Video Broadcasting-Handheld (DVB-H) Convergence of Broadcasting and Mobile Service (CBMS) system. Information required for a handover is provided to a terminal using an interactive channel. The handover for the terminal can be performed using a conventional scheme and an enhanced scheme even when the user moves to a new cell while watching the selected service. As the enhanced handover scheme is provided, the user can receive a seamless service. In a mobile environment, a handover scenario for the terminal can be efficiently provided. | 12-25-2008 |
20090310566 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING MOBILITY INFORMATION SUPPORTING HANDOVER AND/OR ROAMING IN DIGITAL BROADCASTNG SYSTEM - Disclosed is a method and an apparatus for transmitting/receiving mobility information to support the handover and roaming in a digital broadcasting system. The transmission method includes the steps of setting mobility information including information elements for indicating at least one handover/roaming type according to whether or not support of an interactive network is available for handover/roaming; inserting the mobility information into at least one of an ESG regarding broadcasting services, a notification message, and an independent signaling message so that the mobility information is transmitted to at least one terminal; and conducting handover or roaming of the terminal according to the mobility information. | 12-17-2009 |
20130103753 | HYBRID DELIVERY MECHANISM IN MULTIMEDIA TRANSMISSION SYSTEM - A method and apparatus are provided for transmitting service discovery information to a client in a multimedia transmission system of hybrid delivery, providing at least two services via a point to multi point (p-t-m) channel and a point to point (p-t-p) channel. Service discovery information is generated, including a first indication indicating whether a service corresponding to the service discovery information is of hybrid delivery, and is transmitted to the client. | 04-25-2013 |
20130249900 | METHOD AND APPARATUS FOR PROCESSING MEDIA FILE FOR AUGMENTED REALITY SERVICE - A method and an apparatus for processing a media file for an augmented reality service are provided. The method includes analyzing at least one media file including a marker track and a virtual object track to be used for providing the augmented reality service; generating image data needed for reproducing an image by extracting video data and/or audio data included in the media file; generating virtual object data for displaying a virtual object by extracting virtual object information included in the media file; and synthesizing the image data and the virtual object data based on the marker track to structure a final image and reproducing the final image on a screen. | 09-26-2013 |
20140095672 | METHOD AND APPARATUS FOR GENERATING A REPRODUCING ADAPTIVE STREAM BASED ON FILE FORMAT, AND RECORDING MEDIUM THEREOF - Methods and apparatus are provided for transmitting a file in a server. A file is generated for an adaptive stream service. The file is transmitted. The file includes range information for indicating a byte range of a segment. | 04-03-2014 |
20140157330 | METHOD AND APPARATUS FOR SENDING AND RECEIVING BROADCAST SERVICE IN A DIGITAL BROADCASTING SYSTEM - A method and apparatus for receiving a broadcast service in a digital broadcasting system. The method includes receiving, by a reception unit, related information relevant to a common broadcast service being provided in common in at least two Internet Protocol (IP) platforms, from one of the at least two IP platforms; determining, by a mobility management block, whether a currently received broadcast service is the common broadcast service, based on the related information; and continuously receiving the common broadcast service from a remaining IP platform, except for the one of the at least two IP platforms, when the currently received broadcast service is the common broadcast service. | 06-05-2014 |