WO2012108737A3 - 디지털 방송 시스템에서 컨텐츠 송수신 장치 및 방법 - Google Patents

디지털 방송 시스템에서 컨텐츠 송수신 장치 및 방법 Download PDF

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Publication number
WO2012108737A3
WO2012108737A3 PCT/KR2012/001045 KR2012001045W WO2012108737A3 WO 2012108737 A3 WO2012108737 A3 WO 2012108737A3 KR 2012001045 W KR2012001045 W KR 2012001045W WO 2012108737 A3 WO2012108737 A3 WO 2012108737A3
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WO
WIPO (PCT)
Prior art keywords
content
broadcast system
digital broadcast
forced
data unit
Prior art date
Application number
PCT/KR2012/001045
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English (en)
French (fr)
Other versions
WO2012108737A2 (ko
Inventor
유성열
송재연
Original Assignee
삼성전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 삼성전자 주식회사 filed Critical 삼성전자 주식회사
Priority to US13/984,692 priority Critical patent/US20130322628A1/en
Publication of WO2012108737A2 publication Critical patent/WO2012108737A2/ko
Publication of WO2012108737A3 publication Critical patent/WO2012108737A3/ko

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/251—Learning process for intelligent management, e.g. learning user preferences for recommending movies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/26613—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel for generating or managing keys in general
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2668—Creating a channel for a dedicated end-user group, e.g. insertion of targeted commercials based on end-user profiles
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/65—Transmission of management data between client and server
    • H04N21/654—Transmission by server directed to the client
    • H04N21/6543—Transmission by server directed to the client for forcing some client operations, e.g. recording
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/81—Monomedia components thereof
    • H04N21/812—Monomedia components thereof involving advertisement data
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
    • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Computing Systems (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Business, Economics & Management (AREA)
  • Marketing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

본 발명은 디지털 방송 시스템에 관한 것으로, 본 발명에 따른 방송 시스템에서 컨텐츠 송신하는 방법은, 방송 시스템에서 컨텐츠 송신하는 방법에 있어서, 사용자 선호 컨텐츠와 강제 시청 컨텐츠를 생성하는 과정; 상기 사용자 선호 컨텐츠와 상기 강제 시청 컨텐츠를 데이터 단위들로 분할하는 과정; 및 상기 강제 시청 컨텐츠를 구성하는 데이터 단위들 중 첫 번째 데이터 단위를 제외한 나머지 데이터 단위들 중 적어도 하나의 데이터 단위에 암호 키를 삽입하여 반복적으로 암호화를 수행하는 과정을 포함하고, 상기 암호 키는 데이터 단위 마다 다음에 위치하는 데이터 단위를 해독할 수 있는 키를 포함한다.
PCT/KR2012/001045 2011-02-11 2012-02-13 디지털 방송 시스템에서 컨텐츠 송수신 장치 및 방법 WO2012108737A2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/984,692 US20130322628A1 (en) 2011-02-11 2012-02-13 Apparatus and method for transceiving content in a digital broadcast system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0012480 2011-02-11
KR1020110012480A KR20120092432A (ko) 2011-02-11 2011-02-11 디지털 방송 시스템에서 컨텐츠 송수신 장치 및 방법

Publications (2)

Publication Number Publication Date
WO2012108737A2 WO2012108737A2 (ko) 2012-08-16
WO2012108737A3 true WO2012108737A3 (ko) 2012-12-13

Family

ID=46639093

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2012/001045 WO2012108737A2 (ko) 2011-02-11 2012-02-13 디지털 방송 시스템에서 컨텐츠 송수신 장치 및 방법

Country Status (3)

Country Link
US (1) US20130322628A1 (ko)
KR (1) KR20120092432A (ko)
WO (1) WO2012108737A2 (ko)

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US9438883B2 (en) * 2012-04-09 2016-09-06 Intel Corporation Quality of experience reporting for combined unicast-multicast/broadcast streaming of media content
US9444794B2 (en) * 2012-07-03 2016-09-13 Futurewei Technologies, Inc. Low-latency secure segment encryption and authentication interface
US20140052824A1 (en) * 2012-08-20 2014-02-20 Qualcomm Incorporated Conveying state information for streaming media
US20140130182A1 (en) * 2012-11-02 2014-05-08 Genesismedia Llc Controlled Grant Of Access To Media Content
US9646162B2 (en) * 2013-04-10 2017-05-09 Futurewei Technologies, Inc. Dynamic adaptive streaming over hypertext transfer protocol service protection
US9258747B2 (en) 2013-09-17 2016-02-09 Intel IP Corporation User equipment and methods for fast handover failure recovery in 3GPP LTE network
WO2015131390A1 (en) * 2014-03-07 2015-09-11 Huawei Technologies Co.,Ltd. Communication method, user device, content server and controller
CN106165435B (zh) * 2014-07-01 2019-04-19 华为技术有限公司 自适应流媒体中的客户端行为控制的方法、装置和服务器
US10554992B2 (en) * 2015-06-03 2020-02-04 Avago Technologies International Sales Pte. Limited Inline codec switching
BR112019024070A2 (pt) * 2017-05-16 2020-06-02 Telefonaktiebolaget Lm Ericsson (Publ) Método de ingestão e de distribuição de mídia, aparelho empacotador de mídia, servidor de origem, nó de ponto terminal, e, rede de transmissão contínua em mídia
EP3627361B1 (en) * 2018-09-21 2021-07-21 Nokia Technologies Oy Media content control

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US20130322628A1 (en) 2013-12-05
KR20120092432A (ko) 2012-08-21
WO2012108737A2 (ko) 2012-08-16

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