Samsung Electronics Co., Ltd.

University-industry Cooperation Group of Kyung Hee University

Ga-hyun Ryu

Sung-il Park

Jong-hwa Kim

June-Hee Lee

Kyo-shin Choo

Chan-sub Park

Jung-jin Kim

Yong-Sik Kwon

Kum-ran Ji

Do-young Joung

Sung-Kee Kim

Duk-gu Sung

Chun-bae Park

Tae-sung Park

Jin-hee Jeong

Hyun-woo Lim

Jeong-Hoon Park

Sung-Jin Park

Hae-joo Jeong

Hak-Ju Lee

Se-Ho Myung

Kyu-Heon Kim

Gwang-Hoon Park

Doug-Young Suh

Jang-Won Lee

Nam-guk Kim

Jung-han Kim

Gil-yoon Kim

Hee-jean Kim

A contents sharing method includes a step for receiving playback capability information from a client apparatus; a determination step for determining, on the basis of the received playback capability information, whether to carry out partial processing of contents to be supplied to the client apparatus; and a transmission step for processing some frames in the contents to be played in the client apparatus and transmitting the processed frames to the client apparatus if it is determined that the partial processing is to be performed. Accordingly, contents may be efficiently provided.

Server device for sharing contents, client device, and method for sharing contents

A method of transmitting data, the method includes transmitting a frame containing at least one data packet; generating at least one detection packet for detecting a loss of a last data packet among the at least one data packet; and in response to the last data packet of the frame being transmitted, transmitting the at least one detection packet so that the detection packet is transmitted subsequent to the data packet. Whether or not the last data packet is lost is determined by using the detection packet.

Methods and apparatuses for transmitting and receiving data and recording medium for executing the methods

Provided are method and apparatus for transmitting and receiving a multimedia streaming service via a network. The method of providing a multimedia streaming service includes: dividing encoded data of a video including at least one of a two-dimensional (2D) video and a three-dimensional (3D) video into fragments; determining at least one of 3D signaling information for each fragment and relationship information to be used when the video refers to other videos; and continuously transmitting the fragments including the property information regarding the fragments and encoded video data.

Method for providing fragment-based multimedia streaming service and device for same, and method for receiving fragment-based multimedia streaming service and device for same

A client apparatus, a server, and a control method thereof are provided. The client apparatus includes a display, a user interface which receives a text input, a communication interface which transmits to the server information related to input text, a storage which receives a result of analysis of the information transmitted from the server and stores the same, and a controller which performs control operations so that, in response to the text input being received via the user interface after the result of the analysis received, the received text is converted based on a stored result of the analysis, before being displayed.

Client apparatus and server and control method thereof

Provided are a method and apparatus for transmitting broadcast data and a method and apparatus for receiving broadcast data so as to provide a broadcast service. The method of transmitting broadcast data includes: receiving at least one Internet Protocol (IP) packet group, the IP packet group classified based on a service provided by IP packets; generating first mapping information which indicates mapping information between an IP address corresponding to each of the at least one IP packet and an address within a transmission channel on which each of the at least one IP packet group is to be carried; and transmitting the first mapping information and the at least one IP packet group via the transmission channel. A user accesses only desired IP packets quickly and processes them so that a data processing speed can be improved.

Method and apparatus for transmitting broadcast data and method and apparatus for receiving broadcast data

The method for transporting a digital broadcast stream includes: receiving a transport stream, including mobile broadcast data that is placed in at least a part of a normal data area allocated to normal data and signaling data that includes an FIC chunk header with a variable length; decoding the signaling data; and decoding the mobile data using the decoded signaling data.

Digital broadcasting transmitter, digital broadcasting receiver, and methods for configuring and processing a stream for same

A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including new mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the new mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.

Digital broadcast transmitter, digital broadcast receiver, and methods for configuring and processing streams thereof

Disclosed is a method of processing a stream of a digital broadcasting receiver. The method comprises: arranging at least one of new mobile data and known data in at least a portion of an existing mobile data region and in at least a portion of a normal data region, in a stream which includes the normal data region and the existing mobile data region; and composing a transmission stream where at least one of the new mobile data and the known data is arranged, and wherein the arranging combines a block of data arranged in the existing mobile data region and a block of the new mobile data in the stream, and performs serially concatenated convolution code (SCCC) coding on the combined blocks.

Digital broadcasting transmitter, digital broadcasting receiver, and method for composing and processing streams thereof

A method for processing a stream of a digital broadcast receiver is provided. The method which processes a stream that is divided into a first area allocated to first mobile data and a second area allocated to normal data, includes: receiving a transport stream including second mobile data in at least a part of the second area separately from the first mobile data, demodulating the transport stream, equalizing the demodulated transport stream, and decoding at least one of the first mobile data and the second mobile data from the equalized transport stream. Accordingly, mobile data services may be provided in various ways.

Digital broadcast transmitter, digital broadcast receiver, and methods for configuring and processing digital transport streams thereof

Methods and apparatuses for transporting and receiving mobile broadcasting services in order to efficiently provide broadcasting services in a mobile communication system are provided. In the method of receiving mobile broadcasting services, a predetermined transport channel is determined by using service configuration information extracted from a service information channel, at least one transport packet is extracted from the determined transport channel, information about the transport packets is extracted from the transport packets, at least one encapsulation packet including the transport packets is generated by using the information about the transport packets, and application data including the encapsulation packets is generated by using information about the encapsulation packets which is extracted from the encapsulation packets.

Method and apparatus for transporting mobile broadcasting service, and method and apparatus for receiving mobile broadcasting service

A method and apparatus for generating and processing a packet are provided. In the method of processing a packet, a packet including main data, an identifier representing the type of the main data, and packet information corresponding to information on other packets that will have the same identifier as the identifier is received, the identifier and the packet information are extracted from the received packet, and the main data is selectively extracted from the packet based on the extracted identifier.

Method and apparatus for generating and processing packet in MPEG-2 transport stream

Provided are a method and apparatus for transporting a broadcast and a method and apparatus for receiving a broadcast. In the method of transporting a broadcast service for mobile communications, the method includes generating an encapsulation packet including configuration information adaptive to application data that is to be transmitted and the application data; generating transport packets having data regarding the encapsulation packet by dividing the encapsulation packet into predetermined-sized packets, where the transport packets include information regarding the structures of the transport packets; and generating service configuration information including information set about a channel having the transport packets, and including the service configuration information in a service information channel at a predetermined location from among at least one transport channel on a transport stream. Accordingly, it is possible to efficiently use a data region and increase the speed of data transmission.

Method and apparatus for transmitting broadcast, method and apparatus for receiving broadcast

Provided is a method and apparatus for detecting errors generated by a DMB receiver by not processing received audio/video data in realtime. The error detection method includes: calculating a time required to process one frame obtained by dividing received data into frames having a predetermined size; and determining as an error a situation in which the calculated time exceeds time predetermined to process the one frame in realtime and transmitting an error recovering command. Accordingly, subsequent data frames can be normally processed by quickly detecting the error and recovering the error by initializing their associated modules.

Error detection method and apparatus in DMB receiver

A method and apparatus for receiving or transmitting broadcast data are provided. The broadcast data receiving method includes: acquiring first signaling information indicating an ensemble in which service composition information of a broadcasting service is transmitted, acquiring the service composition information based on the first signaling information, and providing the broadcasting service based on the service composition information and the first signaling information.

Growing community of inventors

Suwon-si, South Korea

Ga-hyun Ryu