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公开(公告)号：KR101754414B1
公开(公告)日：2017-07-07
申请号：KR1020120030037
申请日：2012-03-23
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N21/234 , H04L29/06
Abstract: 콘텐츠에대한메타데이터를사용하는적응형 HTTP 스트리밍서비스를위한방법및 장치가개시된다. 상기의메타데이터는하나이상의베이스 URL 요소들을포함한다. 미디어를구성하는세그먼트의 URL은하나이상의베이스 URL 요소들에기반하여생성된다. 세그먼트의 URL은세그먼트의소스 URL 속성에하나이상의베이스 URL 요소중 임의의베이스 URL 요소를사상시킴으로써세그먼트의 URL들을생성할수 있다. 생성된 URL들이가리키는세그먼트들은모두동일하다.
Abstract translation: 公开了一种使用用于内容的元数据的自适应HTTP流式传输服务的方法和设备。 元数据包含一个或多个基本URL元素。 组成媒体的细分受众群的网址是根据基本网址元素生成的或更多。 段的URL可通过将一个或多个基本URL元素的任何基本URL元素映射到段的源URL属性来生成段的URL。 生成的网址都指向同一个网段。
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23.发明公开
公开(公告)号：KR1020150070568A
公开(公告)日：2015-06-25
申请号：KR1020130156936
申请日：2013-12-17
Applicant: 한국전자통신연구원
Inventor： 배성준
IPC: H04N21/238 , H04N21/2662 , H04N21/45
CPC classification number: H04L65/60 , H04L41/5019 , H04L41/509 , H04L43/0876 , H04L65/4084 , H04L65/602 , H04L65/80 , H04L67/02 , H04N21/2343 , H04N21/2402
Abstract: 본발명의실시예는네트워크대역폭에적응적인자동콘텐츠를생성하기위한방법에대한것이다. 실시예에있어서, 콘텐츠서버와수신단말사이의전송 .채널의대역폭정보를측정하는단계; 상기수신단말로전송되는소스콘텐츠를, 상기대역폭정보에따라결정된전송비트율로변환하여타깃콘텐츠를생성하는단계; 상기생성된타깃콘텐츠를상기수신단말로전송하는단계; 및상기타깃콘텐츠에대한정보를 DASH(Dynamic Adaptive Streaming over HTTP) MPD(Media Presentation Description) 파일에기록하는단계를포함하는네트워크대역폭적응적자동콘텐츠생성방법이제공될수 있다.
Abstract translation: 本发明的实施例涉及一种适应网络带宽的自动内容生成方法。 根据本发明的实施例，该方法包括以下步骤：获得内容服务器与接收终端之间的传输信道的带宽信息; 通过根据基于带宽信息确定的传输比特率转换发送到接收方终端的源内容来生成目标内容; 将所生成的目标内容发送到接收者终端; 并将目标内容的信息记录到基于HTTP的动态自适应流（DASH）和媒体呈现描述（MPD）文件。
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公开(公告)号：KR101433439B1
公开(公告)日：2014-09-01
申请号：KR1020120030000
申请日：2012-03-23
Applicant: 한국전자통신연구원
IPC: H04N21/234 , H04L29/06
CPC classification number: H04L65/60 , H04L65/4084 , H04L67/2804 , H04N21/23439 , H04N21/2393 , H04N21/25825 , H04N21/26258 , H04N21/64322 , H04N21/6437 , H04N21/6582 , H04N21/8456
Abstract: 콘텐츠에 대한 메타데이터를 사용하는 적응형 HTTP 스트리밍 서비스를 위한 방법 및 장치가 개시된다. 콘텐츠의 메타데이터는 일반 미디어 정보 또는 특유 미디어 정보를 통해 단말의 사용 목적에 맞게 효율적으로 분할되어 단말로 전송될 수 있다. 그룹은 콘텐츠의 하나 이상의 레프리젠테이션들을 포함한다. 메타데이터는 그룹 요소를 포함하며, 그룹 요소는 그룹에 포함되는 하나 이상의 레프리젠테이션들의 속성들에 대한 요약을 제공한다.
Abstract translation: 公开了一种使用用于内容的元数据的自适应HTTP流式传输服务的方法和设备。 内容的元数据可以根据通过一般媒体信息或特定媒体信息使用终端的目的而被有效地划分并被发送到终端。 该组包括一个或多个内容表示。 元数据包括一个组元素，该组元素提供组中包含的一个或多个演示文稿的属性摘要。
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公开(公告)号：KR1020140033182A
公开(公告)日：2014-03-17
申请号：KR1020140002413
申请日：2014-01-08
Applicant: 한국전자통신연구원 , 한국항공대학교산학협력단
IPC: H04N21/2662 , H04N21/238 , H04N7/24
CPC classification number: H04N21/2662 , H04N7/24 , H04N21/23805 , H04N21/2401 , H04N21/6543
Abstract: Disclosed are an apparatus and a method for providing an adaptive HTTP streaming service using metadata for contents. The metadata includes minimum buffering time property indicating the minimum amount of media contents which are initially buffered. A terminal receives contents from a server before playing the contents and buffers the contents by at least the minimum amount. The metadata includes range properties indicating a target range to which a URL points. A terminal receives bytes from the URL which the range properties indicate, and plays the contents using the received bytes. [Reference numerals] (100) Client; (110) Server; (120) Metadata; (130) Metadata process; (140) Request a fragment; (145) Content pass; (150) Fragment transmission
Abstract translation: 公开了一种使用元数据为内容提供自适应HTTP流服务的装置和方法。 元数据包括指示最初缓冲的媒体内容的最小量的最小缓冲时间属性。 终端在播放内容之前从服务器接收内容，并将内容缓冲至少最小量。 元数据包括指示URL指向的目标范围的范围属性。 终端从范围属性指示的URL接收字节，并使用接收的字节播放内容。 （附图标记）（100）客户端; （110）服务器; （120）元数据; （130）元数据过程; （140）请求片段; （145）内容通行证 （150）片段传输
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Patent Agency Ranking
公开(公告)号：KR1020130138694A
公开(公告)日：2013-12-19
申请号：KR1020130066438
申请日：2013-06-11
Applicant: 한국전자통신연구원
Inventor： 배성준
CPC classification number: H04N21/236
Abstract: Provided is a method for describing timing information in a media processing unit (MPU) comprising one or more access units. The method for generating an MPEG media transport (MMT) packet by an MMT packet transmission device comprises the steps of: determining an encapsulation mode based on at least one among the number of access units included in the single MPU, a composition time stamp value of each access unit included in the media processing unit, and a decoding order of each access unit included in the media processing unit; and generating the MPU by encapsulating the access unit according to the determined encapsulation module. [Reference numerals] (210) Determine an encapsulation mode based on at least one among the number of AU included in a single MPU, a CTS value, and the information on a decoding order;(220) Generate the MPU by encapsulating the AU according to the determined encapsulation mode;(230) Generate a MMT packet by the packetization of the MPU;(AA) Start;(BB) End
Abstract translation: 提供了一种用于描述包括一个或多个访问单元的媒体处理单元（MPU）中的定时信息的方法。 用于通过MMT分组传输设备生成MPEG媒体传输（MMT）分组的方法包括以下步骤：基于包括在单个MPU中的接入单元数量中的至少一个来确定封装模式，组合时间戳值 包括在媒体处理单元中的每个访问单元和包括在媒体处理单元中的每个访问单元的解码顺序; 以及通过根据所确定的封装模块封装所述访问单元来生成所述MPU。 （附图标记）（210）基于单个MPU中包括的AU的数量，CTS值和关于解码顺序的信息中的至少一个来确定封装模式;（220）通过根据 到确定的封装模式;（230）通过MPU的分组生成MMT分组;（AA）开始;（BB）结束
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27.发明公开
公开(公告)号：KR1020130085987A
公开(公告)日：2013-07-30
申请号：KR1020130005783
申请日：2013-01-18
Applicant: 한국전자통신연구원
Inventor： 배성준
IPC: H04N7/24
CPC classification number: H04N21/2381 , H04L65/4076 , H04N21/234327
Abstract: PURPOSE: A method for transporting media data having access units that are divided into multiple media fragment units (MFU) through heterogeneous IP networks is provided to achieving a media data packaging corresponding to various media data structures by generating media processing units (MPU) using fragmented data constituting an access unit as a constituent unit. CONSTITUTION: A media data transmission device receives media data (S100). A stream divider of the media data transmission device divides the media data into a media fragment units having a network abstraction layer (NAL) (S200). A header generator of the media data transmission device generates a header of a media unit (M-Unit) (S200). A packaging unit of the media data transmission device generates the M-unit from the media fragments units (S300). [Reference numerals] (AA) Start; (BB) End; (S100) Receive media data; (S200) Divide the media data; (S300) Generate an M-unit
Abstract translation: 目的：提供一种通过异构IP网络传输具有被划分为多个媒体片段单元（MFU）的接入单元的媒体数据的方法，以通过使用分段的多个媒体数据结构生成媒体处理单元（MPU）来实现与各种媒体数据结构相对应的媒体数据打包 构成访问单元的数据作为构成单元。 构成：媒体数据发送装置接收媒体数据（S100）。 媒体数据传输设备的流分割器将媒体数据划分成具有网络抽象层（NAL）的媒体片段单元（S200）。 媒体数据传输装置的标题生成器生成媒体单元（M-Unit）的标题（S200）。 媒体数据传输装置的打包单元从媒体片段单元生成M单元（S300）。 （附图标记）（AA）开始; （BB）结束; （S100）接收媒体数据; （S200）划分媒体数据; （S300）生成M单元
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公开(公告)号：KR1020130040151A
公开(公告)日：2013-04-23
申请号：KR1020120113653
申请日：2012-10-12
Applicant: 한국전자통신연구원
Inventor： 배성준
CPC classification number: H04N21/64322 , H04N21/234327 , H04N21/2381 , H04N21/2387 , H04N21/47217 , H04N21/6125
Abstract: PURPOSE: A media data transmission method through a heterogeneous IP network is provided to transmit media streaming by configuring temporal and spatial relations between MMT assets as a separate message in a MMT(MPEG Media Transport Asset) asset configuration and to transmit a transmission characteristic of an MMT asset by configuring a separate message. CONSTITUTION: An encoded media data transmission method includes a stage(S610) receiving MU(Media Unit) having an independent format in a specific media CODEC from a media CODEC layer, a stage generating an MMT asset by encapsulating the generated MU(S620), a stage generating an MMT package by encapsulating the generated MMT asset, a stage generating an MMT payload format by receiving the generated MMT package and a stage generating an MMT transmission packet by receiving the generated MMT payload format and the MMT asset includes an MMT asset indicator, being an index, classifying one MMT asset with the other MMT asset and an MMT composition information indicator storing an index of an MMT composition information in which the MMT asset refers. [Reference numerals] (AA) Start; (BB) End; (S610) Receiving an MU(Media Unit) having an independent format in a specific media CODEC from a media CODEC layer; (S620) Generating an MMT asset by encapsulating the MU; (S630) Generating an MMT package by encapsulating the MMT asset; (S640) Generating an MMT payload format by receiving the MMT package; (S650) Generating an MMT transport packet by receiving the MMT payload format;
Abstract translation: 目的：提供通过异构IP网络的媒体数据传输方法，通过在MMT（MPEG媒体传输资产）资产配置中将MMT资产之间的时间和空间关系配置为单独的消息来传输媒体流，并传输媒体数据传输的传输特性 MMT资产通过配置单独的消息。 构成：编码媒体数据传输方法包括在媒体CODEC层的特定媒体CODEC中接收具有独立格式的MU（媒体单元）的级（S610），通过封装生成的MU来生成MMT资产的级（S620） 通过封装生成的MMT资产生成MMT包的阶段，通过接收生成的MMT包生成MMT有效载荷格式的级和通过接收生成的MMT有效载荷格式生成MMT传输包的级，并且MMT资产包括MMT资产指示符 作为索引，将一个MMT资产与其他MMT资产进行分类，以及存储MMT资产所参考的MMT组合信息的索引的MMT组合信息指示符。 （附图标记）（AA）开始; （BB）结束; （S610）从媒体CODEC层接收在特定媒体CODEC中具有独立格式的MU（媒体单元）; （S620）通过封装MU生成MMT资产; （S630）通过封装MMT资产生成MMT包; （S640）通过接收MMT包生成MMT有效载荷格式; （S650）通过接收MMT有效载荷格式生成MMT传输包;
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公开(公告)号：KR1020130007993A
公开(公告)日：2013-01-21
申请号：KR1020120075465
申请日：2012-07-11
Applicant: 한국전자통신연구원
Inventor： 배성준
IPC: H04N7/24
CPC classification number: H04N21/262
Abstract: PURPOSE: A transmission method of a media stream including an interdependence frame is provided to suitably schedule transmission without having advance information for a dependency structure by additionally providing screen display time information. CONSTITUTION: Frames including PTS(Presentation Time Stamp) of a current frame are allocated through an earliest dependency PTS in order to decode the frames(S410). The allocated DPTS is transmitted to a receiver by binding the frames(S420). [Reference numerals] (AA) Start; (BB) End; (S410) Allocating PTS which requires a current frame for decoding frames including earlier time than the current frame to DPTS of the current frame; (S420) Transmitting DPTS to a reception end by binding frames with the DPTS
Abstract translation: 目的：提供包括相互依赖性帧的媒体流的传输方法，以通过附加提供屏幕显示时间信息来适当地调度传输而不具有依赖结构的提前信息。 构成：通过最早的依赖性PTS分配包括当前帧的PTS（呈现时间戳）的帧，以解码帧（S410）。 通过绑定帧将分配的DPTS发送到接收机（S420）。 （附图标记）（AA）开始; （BB）结束; （S410）将需要当前帧的PTS分配给包括比当前帧更早的帧的帧的PTS分配给当前帧的DPTS; （S420）通过与DPTS绑定帧将DPTS发送到接收端
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公开(公告)号：KR1020120138687A
公开(公告)日：2012-12-26
申请号：KR1020120063213
申请日：2012-06-13
Applicant: 한국전자통신연구원
Inventor： 배성준
CPC classification number: H04L43/106 , H04L47/34 , H04L65/608 , H04L69/04
Abstract: PURPOSE: A method for transmitting media data based on packets having a header minimizing an overhead is provided to prevent an encoder from performing work for determining the inclusion of a format among headers by sharing a format of an MFU(Media Fragment Unit) header and an M-unit header. CONSTITUTION: A system capsulates media data so that an MFU(Media Fragment Unit) header and an M-unit header share a single format(S810). The system enables an MMT(MPEG Multimedia Transport Layer) payload format to include a header field for an operation which an RTP(Real-time Transport Protocol) does not support in order to deliver the capsulated media data from a specific entity to another entity(S820). The system controls the delivery of the media data(S830). [Reference numerals] (AA) Start; (BB) End; (S810) Capsulizing media data; (S820) Delivering the same to another entity; (S830) Controlling the delivery of the media data
Abstract translation: 目的：提供一种基于具有最小化开销的报头的分组来发送媒体数据的方法，以防止编码器通过共享MFU（媒体分段单元）报头和 M单元头。 构成：系统封装媒体数据，使得MFU（媒体片段单元）头部和M单元头部共享一个格式（S810）。 该系统使得MMT（MPEG多媒体传输层）有效载荷格式包括用于RTP（实时传输协议）不支持的操作的报头字段，以便将封装的媒体数据从特定实体传送到另一实体（ S820）。 系统控制媒体数据的传送（S830）。 （附图标记）（AA）开始; （BB）结束; （S810）封装媒体数据; （S820）将其提交给另一个实体; （S830）控制媒体数据的传送
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