公开(公告)号：US20160182975A1

公开(公告)日：2016-06-23

申请号：US14910086

申请日：2015-03-11

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Sejin OH ,  Kyoungsoo MOON

IPC: H04N21/854 ,  H04N21/63 ,  H04N21/643

CPC classification number: H04N21/854 ,  H04N21/2362 ,  H04N21/631 ,  H04N21/64322

Abstract: A broadcast signal transmitting device, according to one embodiment of the present invention, comprises: a header compression unit for performing a header compression on internet protocol (IP) packets including broadcast data, so as to configure full header packets and compressed header packets; a full header information extraction unit for extracting full header information from the full header packets; a signaling data generation unit for generating signaling packets including the full header information; and a broadcast signal transmission unit for transmitting the compressed header packets through a first transmission path through which general broadcast data is transmitted, and transmitting the signaling packets through a separate second transmission path which is different from the first transmission path.

Abstract translation: 根据本发明的一个实施例的广播信号发送装置包括：报头压缩单元，用于对包括广播数据的因特网协议（IP）分组执行报头压缩，以便配置全标头分组和压缩报头分组; 全标头信息提取单元，用于从全标头包中提取全标头信息; 信令数据生成单元，用于生成包括全标题信息的信令分组; 以及广播信号发送单元，用于通过发送一般广播数据的第一传输路径发送压缩的报头分组，并且通过与第一传输路径不同的单独的第二传输路径发送信令分组。

公开(公告)号：US20160173556A1

公开(公告)日：2016-06-16

申请号：US14902781

申请日：2014-07-04

Applicant: LG ELECTRONICS INC.

Inventor： Jungwook PARK ,  Kyoungsoo MOON ,  Woosuk KWON ,  Sejin OH

IPC: H04L29/06 ,  H04N21/44 ,  H04L29/08 ,  H04N21/6437 ,  H04N21/854 ,  H04N21/8547 ,  H04N21/434 ,  H04N21/236

CPC classification number: H04L65/608 ,  H04H60/73 ,  H04L67/06 ,  H04L69/22 ,  H04N21/23614 ,  H04N21/2381 ,  H04N21/434 ,  H04N21/4348 ,  H04N21/44004 ,  H04N21/6437 ,  H04N21/85406 ,  H04N21/8547

Abstract: The present invention relates to a method for transmitting a media broadcasting signal and an apparatus for receiving the media broadcasting signal in a broadcasting system. The apparatus for receiving the media broadcasting signal comprises: a receiving unit for receiving a packet by a protocol for real time transport, wherein the payload of the packet includes a media file format (MFF) divided according to the type of data, and the divided media file format (MFF) file is one of an initial past MFF file comprising meta data having entire play information and initial play information, and a media part MFF file including meta data having media data and partial play information related to the media data; a parsing unit for distinguishing the meta data and the media data from each other by analyzing the media file format (MFF) file and extracting information required to play; a decoder for decoding the media file format (MFF) file output from the parsing unit; and a play unit for playing a decoded media file format (MFF) file by using the information extracted from the parsing unit.

Abstract translation: 本发明涉及一种用于在广播系统中发送媒体广播信号的方法和用于接收媒体广播信号的装置。 用于接收媒体广播信号的装置包括：接收单元，用于通过用于实时传输的协议接收分组，其中分组的有效载荷包括根据数据类型划分的媒体文件格式（MFF），并且分割 媒体文件格式（MFF）文件是包括具有整个播放信息和初始播放信息的元数据的初始过去MFF文件之一，以及包括具有媒体数据和与媒体数据相关的部分播放信息的元数据的媒体部分MFF文件; 分析单元，用于通过分析媒体文件格式（MFF）文件和提取播放所需的信息来区分元数据和媒体数据; 解码器，用于解码从解析单元输出的媒体文件格式（MFF）文件; 以及播放单元，用于通过使用从解析单元提取的信息播放解码的媒体文件格式（MFF）文件。

公开(公告)号：US20160119677A1

公开(公告)日：2016-04-28

申请号：US14893753

申请日：2014-06-12

Applicant: LG ELECTRONICS INC.

Inventor： Sejin OH ,  Woosuk KWON ,  Sungryong HONG ,  Kyoungsoo MOON ,  Jangwon LEE ,  Woosuk KO

IPC: H04N21/462 ,  H04N21/854 ,  H04N21/262 ,  H04L1/00 ,  H04N21/43 ,  H03M13/11 ,  H03M13/27 ,  H04N5/40 ,  H04N21/242

CPC classification number: H04N21/462 ,  H03M13/1102 ,  H03M13/2792 ,  H04H20/40 ,  H04H60/07 ,  H04H60/39 ,  H04L1/00 ,  H04L1/0041 ,  H04N5/40 ,  H04N7/24 ,  H04N21/2362 ,  H04N21/2383 ,  H04N21/242 ,  H04N21/26275 ,  H04N21/4302 ,  H04N21/85406

Abstract: The present invention provides a method of transmitting broadcast signals. The method includes, formatting input streams into Data Pipe (DP) data, Low-Density Parity-Check (LDPC) encoding the DP data according to a code rate, bit interleaving the LDPC encoded DP data, mapping the bit interleaved DP data onto constellations, building at least one signal frame including the mapped DP data, and modulating data in the built signal frame by an Orthogonal Frequency Division Multiplexing (OFDM) method and transmitting the broadcast signals having the modulated data, wherein the input streams include Audio/Video (A/V) data and service guide data, and wherein the Audio/Video (A/V) data and service guide data are included in first ISO base media file format (ISOBMFF) files.

Abstract translation: 本发明提供一种发送广播信号的方法。 该方法包括：将输入流格式化为数据管道（DP）数据，根据码率编码DP数据的低密度奇偶校验（LDPC），比特交织LDPC编码的DP数据，将位交织的DP数据映射到星座 ，构建包括所映射的DP数据的至少一个信号帧，以及通过正交频分复用（OFDM）方法调制内置信号帧中的数据，并发送具有调制数据的广播信号，其中输入流包括音频/视频（ A / V）数据和服务指南数据，并且其中音频/视频（A / V）数据和服务指南数据被包括在第一ISO基本媒体文件格式（ISOBMFF）文件中。

公开(公告)号：US20160094687A1

公开(公告)日：2016-03-31

申请号：US14890819

申请日：2014-05-21

Applicant: LG ELECTRONICS INC.

Inventor： Woosuk KWON ,  Kyoungsoo MOON ,  Sejin OH

IPC: H04L29/06 ,  H04L12/18 ,  H04L29/12

CPC classification number: H04L69/22 ,  H04L12/18 ,  H04L61/2007 ,  H04L65/607 ,  H04L69/161 ,  H04N21/2381 ,  H04N21/6332 ,  H04N21/64322

Abstract: A method for processing signaling data included in at least one protocol layer in an internet protocol (IP)-based digital broadcast transmitter, according to an embodiment of the present invention, comprises the steps of: copying signaling data included in a packet of a layer (N+M) according to a protocol of the layer (N+M); inserting the copied signaling data, a length field for identifying the length of the copied signaling data, and a signaling indicator indicative of the existence of the copied signaling data into the end of a payload of the packet of the layer (N+M), thereby generating the packet of the layer (N+M); generating a packet of a layer (N+L) including a header of the layer (N+L) and the packet of the layer (N+M) according to a protocol of the layer (N+L); generating a packet of a layer (N) including a header of the layer (N) and the packet of the layer (N+L) according to a protocol of the layer (N), wherein the header of the layer (N) includes an indicator field for identifying that the signaling indicator is included in the packet of the layer (N); and processing the packet of the layer (N) according to a protocol of a physical layer, thereby generating a broadcast signal.

Abstract translation: 根据本发明实施例的用于处理基于互联网协议（IP）的数字广播发射机中的至少一个协议层中所包括的信令数据的方法包括以下步骤：复制包含在层的分组中的信令数据 （N + M）根据层的协议（N + M）; 插入复制的信令数据，用于识别复制的信令数据的长度的长度字段和指示复制的信令数据的存在到层（N + M）的分组的有效载荷的结尾的信令指示符， 从而生成层的分组（N + M）; 根据层（N + L）的协议生成包括层（N + L）的报头和层（N + M）的分组的层（N + L）的分组; 根据层（N）的协议生成包括层（N）的报头和层（N + L）的分组的层（N）的分组，其中层（N）的报头包括 用于识别所述信令指示符包括在所述层（N）的分组中的指示符字段; 以及根据物理层的协议处理层（N）的分组，由此产生广播信号。