JP4555284B2 - コピー保護方法及びコピー保護システム - Google Patents
コピー保護方法及びコピー保護システム Download PDFInfo
- Publication number
- JP4555284B2 JP4555284B2 JP2006503610A JP2006503610A JP4555284B2 JP 4555284 B2 JP4555284 B2 JP 4555284B2 JP 2006503610 A JP2006503610 A JP 2006503610A JP 2006503610 A JP2006503610 A JP 2006503610A JP 4555284 B2 JP4555284 B2 JP 4555284B2
- Authority
- JP
- Japan
- Prior art keywords
- video
- content
- channel
- display
- extracted
- 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
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Images
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)
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 |
| PCT/US2004/004487 WO2004075533A2 (en) | 2003-02-19 | 2004-02-17 | Method and system for copy protection |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2006518576A JP2006518576A (ja) | 2006-08-10 |
| JP2006518576A5 JP2006518576A5 (https=) | 2010-03-04 |
| JP4555284B2 true JP4555284B2 (ja) | 2010-09-29 |
Family
ID=32850439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2006503610A Expired - Fee Related JP4555284B2 (ja) | 2003-02-19 | 2004-02-17 | コピー保護方法及びコピー保護システム |
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=) |
Families Citing this family (29)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5748763A (en) * | 1993-11-18 | 1998-05-05 | Digimarc Corporation | Image steganography system featuring perceptually adaptive and globally scalable signal embedding |
| ES2236999T3 (es) * | 1993-11-18 | 2005-07-16 | Digimarc Corporation | Video con informacion digital oculta en banda. |
| JPH10336645A (ja) * | 1997-06-02 | 1998-12-18 | Matsushita Electric Ind Co Ltd | 映像信号の伝送装置 |
| JPH10174080A (ja) * | 1996-12-11 | 1998-06-26 | Xing:Kk | データの伝送方法及び送信、受信装置 |
| WO1998031152A2 (en) * | 1997-01-13 | 1998-07-16 | Koninklijke Philips Electronics N.V. | Embedding supplemental data in a digital video signal |
| US5949877A (en) | 1997-01-30 | 1999-09-07 | Intel Corporation | Content protection for transmission systems |
| EP0934656B1 (en) | 1997-08-26 | 2005-07-06 | Koninklijke Philips Electronics N.V. | System for transferring content information and supplemental information relating thereto |
| US5959717A (en) * | 1997-12-12 | 1999-09-28 | Chaum; Jerry | Motion picture copy prevention, monitoring, and interactivity system |
| US7336712B1 (en) * | 1998-09-02 | 2008-02-26 | Koninklijke Philips Electronics N.V. | Video signal transmission |
| JP3565483B2 (ja) * | 1998-12-14 | 2004-09-15 | インターナショナル・ビジネス・マシーンズ・コーポレーション | データ表示システム、データ表示装置およびその方法 |
| US6507907B1 (en) * | 1999-02-26 | 2003-01-14 | Intel Corporation | Protecting information in a system |
| JP2001119702A (ja) * | 1999-10-21 | 2001-04-27 | Matsushita Electric Ind Co Ltd | 映像信号受信装置 |
| JP2002057882A (ja) * | 2000-04-21 | 2002-02-22 | Sony Corp | 情報埋め込み装置及び情報埋め込み方法、情報処理装置及び情報処理方法、コンテンツ処理装置及びコンテンツ処理方法、監視装置及び監視方法、並びに、記憶媒体 |
| JP2002010251A (ja) * | 2000-06-19 | 2002-01-11 | Matsushita Electric Ind Co Ltd | 映像信号符号化装置および映像信号復号化装置 |
| JP4088909B2 (ja) * | 2000-06-30 | 2008-05-21 | 株式会社エヌ・ティ・ティ・データ | コンテンツ課金方法及び課金センタ |
| 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 |
| US7092616B2 (en) * | 2001-07-19 | 2006-08-15 | Sony Electronics Inc. | Method and apparatus for copy protecting video content and producing a reduced quality reproduction of video content for personal use |
| US7530084B2 (en) * | 2002-05-28 | 2009-05-05 | Sony Corporation | Method and apparatus for synchronizing dynamic graphics |
-
2003
- 2003-02-19 US US10/370,886 patent/US7382969B2/en not_active Expired - Lifetime
-
2004
- 2004-02-17 KR KR1020057015187A patent/KR101018223B1/ko not_active Expired - Fee Related
- 2004-02-17 JP JP2006503610A patent/JP4555284B2/ja not_active Expired - Fee Related
- 2004-02-17 EP EP04711806.2A patent/EP1595395B1/en not_active Expired - Lifetime
- 2004-02-17 CN CNB2004800098536A patent/CN100488243C/zh not_active Expired - Fee Related
- 2004-02-17 WO PCT/US2004/004487 patent/WO2004075533A2/en not_active Ceased
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 |
| 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 |
| CN100488243C (zh) | 2009-05-13 |
| KR20050103937A (ko) | 2005-11-01 |
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