CN100488243C - 拷贝保护的方法和系统 - Google Patents

拷贝保护的方法和系统 Download PDF

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Publication number
CN100488243C
CN100488243C CNB2004800098536A CN200480009853A CN100488243C CN 100488243 C CN100488243 C CN 100488243C CN B2004800098536 A CNB2004800098536 A CN B2004800098536A CN 200480009853 A CN200480009853 A CN 200480009853A CN 100488243 C CN100488243 C CN 100488243C
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CN
China
Prior art keywords
video
video content
content
image
receiver
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CNB2004800098536A
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English (en)
Chinese (zh)
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CN1774920A (zh
Inventor
T·P·道森
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Sony Electronics Inc
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Sony Electronics Inc
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 Sony Electronics Inc filed Critical Sony Electronics Inc
Publication of CN1774920A publication Critical patent/CN1774920A/zh
Application granted granted Critical
Publication of CN100488243C publication Critical patent/CN100488243C/zh
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
    • H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
    • H04N21/43072—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen of multiple content streams on the same device
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/431—Generation of visual interfaces for content selection or interaction; Content or additional data rendering
    • H04N21/4318—Generation of visual interfaces for content selection or interaction; Content or additional data rendering by altering the content in the rendering process, e.g. blanking, blurring or masking an image region
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/433—Content storage operation, e.g. storage operation in response to a pause request, caching operations
    • H04N21/4334—Recording operations
    • 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]
    • H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management e.g. creating a master electronic programme guide from data received from the Internet and a Head-end or controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91328—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a copy management signal, e.g. a copy generation management signal [CGMS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
    • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/91—Television signal processing therefor
    • H04N5/913—Television signal processing therefor for scrambling ; for copy protection
    • H04N2005/91357—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal
    • H04N2005/91364—Television signal processing therefor for scrambling ; for copy protection by modifying the video signal the video signal being scrambled
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/76—Television signal recording
    • H04N5/84—Television signal recording using optical recording
    • H04N5/85—Television signal recording using optical recording on discs or drums
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N9/00—Details of colour television systems
    • H04N9/79—Processing of colour television signals in connection with recording
    • H04N9/80—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback
    • H04N9/804—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components
    • H04N9/8042—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback involving pulse code modulation of the colour picture signal components involving data reduction

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Television Signal Processing For Recording (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
CNB2004800098536A 2003-02-19 2004-02-17 拷贝保护的方法和系统 Expired - Fee Related CN100488243C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/370,886 US7382969B2 (en) 2003-02-19 2003-02-19 Method and system for preventing the unauthorized copying of video content
US10/370,886 2003-02-19

Publications (2)

Publication Number Publication Date
CN1774920A CN1774920A (zh) 2006-05-17
CN100488243C true CN100488243C (zh) 2009-05-13

Family

ID=32850439

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2004800098536A Expired - Fee Related CN100488243C (zh) 2003-02-19 2004-02-17 拷贝保护的方法和系统

Country Status (6)

Country Link
US (1) US7382969B2 (https=)
EP (1) EP1595395B1 (https=)
JP (1) JP4555284B2 (https=)
KR (1) KR101018223B1 (https=)
CN (1) CN100488243C (https=)
WO (1) WO2004075533A2 (https=)

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US7764791B2 (en) * 2002-10-03 2010-07-27 Daniel Lecomte Method for secured transmission of audiovisual files
FR2848372B1 (fr) * 2002-12-09 2005-04-01 Medialive Synchronisation de flux audiovisuels securises
FR2849980B1 (fr) * 2003-01-15 2005-04-08 Medialive Procede pour la distribution de sequences video, decodeur et systeme pour la mise en oeuvre de ce prodede
FR2851112B1 (fr) * 2003-02-07 2005-06-03 Medialive Dispositif securise pour la diffusion, l'enregistrement et la visualisation a la demande des oeuvres audiovisuelles au format de type mpeg-2ts
FR2853786B1 (fr) * 2003-04-11 2005-08-05 Medialive Procede et equipement de distribution de produits videos numeriques avec une restriction de certains au moins des droits de representation et de reproduction
FR2854019B1 (fr) * 2003-04-16 2005-09-16 Medialive Embrouillage, desembrouillage et distribution securisee de sequences audiovisuelles issues de codeurs videos bases sur un traitement par ondelettes
FR2854530B1 (fr) * 2003-05-02 2005-07-22 Medialive Procede et dispositif pour securiser la transmission, l'enregistrement et la visualisation de flux empaquetes audiovisuels numeriques
FR2854531B1 (fr) * 2003-05-02 2007-01-05 Medialive Procede et systeme pour securiser l'embrouillage, le desembrouillage et la distribution de sequences visuelles vectorielles
FR2858899B1 (fr) * 2003-08-11 2005-12-02 Medialive Procede et systeme repartis securises pour la protection et la distribution de flux audiovisuels
FR2861240B1 (fr) * 2003-10-15 2006-03-03 Medialive Procede et systeme repartis securises pour la distribution de flux audiovisuels
FR2862835B1 (fr) * 2003-11-24 2006-04-14 Medialive Diffusion securisee et personnalisee de flux audiovisuels par un systeme hybride unicast/multicast
FR2867928B1 (fr) * 2004-03-16 2006-06-09 Medialive Procede et systeme hautement securises pour la distribution de flux audiovisuels
KR101506219B1 (ko) * 2008-03-25 2015-03-27 삼성전자주식회사 3차원 영상 컨텐츠 제공 방법, 재생 방법, 그 장치 및 그기록매체
EP2359590A4 (en) * 2008-12-15 2014-09-17 Ericsson Telefon Ab L M METHOD AND APPARATUS FOR AVOIDING QUALITY DETERIORATION OF TRANSMITTED MULTIMEDIA CONTENT
US20120134649A1 (en) * 2009-05-20 2012-05-31 Sony Dadc Austria Ag Method for copy protection
US9426502B2 (en) * 2011-11-11 2016-08-23 Sony Interactive Entertainment America Llc Real-time cloud-based video watermarking systems and methods
US9648372B2 (en) 2009-07-23 2017-05-09 Fmr Llc Inserting personalized information into digital content
US8397253B2 (en) * 2009-07-23 2013-03-12 Fmr Llc Inserting personalized information into digital content
US9294796B2 (en) 2009-07-23 2016-03-22 Fmr Llc Inserting personalized information into digital content
CN102300093A (zh) * 2011-08-31 2011-12-28 华中科技大学 一种用于数据文件分发的加密方法
WO2013114749A1 (ja) * 2012-01-31 2013-08-08 シャープ株式会社 提示制御装置、提示制御方法、提示システム、提示制御プログラム、記録媒体およびメタデータ
KR101465148B1 (ko) * 2013-02-28 2014-11-26 연세대학교 산학협력단 동영상을 부호화/복호화하기 위한 장치 및 그 방법
CN104574331B (zh) * 2013-10-22 2019-03-08 中兴通讯股份有限公司 一种数据处理方法、装置、计算机存储介质及用户终端
DE102013226802A1 (de) * 2013-12-20 2015-06-25 Siemens Aktiengesellschaft Schutz von Privatsphäre in einem Videostrom mittels einer redundanten Slice
US20150326951A1 (en) * 2014-05-07 2015-11-12 Disney Enterprises, Inc. Carrying graphical data embedded in a program stream
US9414011B2 (en) 2014-05-07 2016-08-09 Disney Enterprises, Inc. Remote, directed delivery of data for on-air graphics
US9762851B1 (en) 2016-05-31 2017-09-12 Microsoft Technology Licensing, Llc Shared experience with contextual augmentation
US9992429B2 (en) 2016-05-31 2018-06-05 Microsoft Technology Licensing, Llc Video pinning
CN114666477B (zh) * 2022-03-24 2023-10-13 重庆紫光华山智安科技有限公司 一种视频数据处理方法、装置、设备及存储介质

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US5949877A (en) * 1997-01-30 1999-09-07 Intel Corporation Content protection for transmission systems
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CN1242907A (zh) * 1997-01-13 2000-01-26 皇家菲利浦电子有限公司 数字视频信号中的嵌入补充数据
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CN1287748A (zh) * 1998-09-02 2001-03-14 皇家菲利浦电子有限公司 视频信号发送方法和装置
CN1341310A (zh) * 1999-02-26 2002-03-20 英特尔公司 保护系统中的信息
US20030016949A1 (en) * 2001-07-19 2003-01-23 Sony Corporation And Sony Electronics Inc. Method and apparatus for copy protecting video content and producing a reduced quality reproduction of video content for personal use

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FR2812147A1 (fr) 2000-07-19 2002-01-25 Innovatron Sa Procede de traitement d'un flux d'informations par un microcircuit de securite, notamment un microcircuit de carte a puce
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WO1995014289A3 (en) * 1993-11-18 1995-06-29 Pinecone Imaging Corp Identification/authentication coding method and apparatus
CN1242907A (zh) * 1997-01-13 2000-01-26 皇家菲利浦电子有限公司 数字视频信号中的嵌入补充数据
US5949877A (en) * 1997-01-30 1999-09-07 Intel Corporation Content protection for transmission systems
US5959717A (en) * 1997-12-12 1999-09-28 Chaum; Jerry Motion picture copy prevention, monitoring, and interactivity system
CN1287748A (zh) * 1998-09-02 2001-03-14 皇家菲利浦电子有限公司 视频信号发送方法和装置
CN1258884A (zh) * 1998-12-14 2000-07-05 国际商业机器公司 数据显示系统、数据显示设备及方法
CN1341310A (zh) * 1999-02-26 2002-03-20 英特尔公司 保护系统中的信息
US20030016949A1 (en) * 2001-07-19 2003-01-23 Sony Corporation And Sony Electronics Inc. Method and apparatus for copy protecting video content and producing a reduced quality reproduction of video content for personal use

Also Published As

Publication number Publication date
EP1595395A4 (en) 2010-09-08
KR101018223B1 (ko) 2011-02-28
EP1595395B1 (en) 2016-04-13
CN1774920A (zh) 2006-05-17
US7382969B2 (en) 2008-06-03
WO2004075533A3 (en) 2005-04-14
JP4555284B2 (ja) 2010-09-29
EP1595395A2 (en) 2005-11-16
WO2004075533A2 (en) 2004-09-02
JP2006518576A (ja) 2006-08-10
US20040161225A1 (en) 2004-08-19
WO2004075533A9 (en) 2004-09-30
KR20050103937A (ko) 2005-11-01

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