ATE471036T1 - Vollständig skalierbare verschlüsselung von skalierbarem multimedia - Google Patents

Vollständig skalierbare verschlüsselung von skalierbarem multimedia

Info

Publication number
ATE471036T1
ATE471036T1 AT04007869T AT04007869T ATE471036T1 AT E471036 T1 ATE471036 T1 AT E471036T1 AT 04007869 T AT04007869 T AT 04007869T AT 04007869 T AT04007869 T AT 04007869T AT E471036 T1 ATE471036 T1 AT E471036T1
Authority
AT
Austria
Prior art keywords
scalable
encryption
multimedia
fully
subject matter
Prior art date
Application number
AT04007869T
Other languages
English (en)
Inventor
Bin Zhu
Chun Yuan
Yidong Wang
Shipeng Li
Original Assignee
Microsoft Corp
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 Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE471036T1 publication Critical patent/ATE471036T1/de

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
    • 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
    • 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
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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
    • H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by pre-encrypting
    • 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
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Public Health (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Security & Cryptography (AREA)
  • Databases & Information Systems (AREA)
  • Molecular Biology (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Storage Device Security (AREA)
AT04007869T 2003-04-01 2004-03-31 Vollständig skalierbare verschlüsselung von skalierbarem multimedia ATE471036T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/405,970 US7406176B2 (en) 2003-04-01 2003-04-01 Fully scalable encryption for scalable multimedia

Publications (1)

Publication Number Publication Date
ATE471036T1 true ATE471036T1 (de) 2010-06-15

Family

ID=32850630

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04007869T ATE471036T1 (de) 2003-04-01 2004-03-31 Vollständig skalierbare verschlüsselung von skalierbarem multimedia

Country Status (7)

Country Link
US (1) US7406176B2 (de)
EP (1) EP1465427B1 (de)
JP (1) JP4572085B2 (de)
KR (1) KR101046812B1 (de)
CN (1) CN1535015B (de)
AT (1) ATE471036T1 (de)
DE (1) DE602004027570D1 (de)

Families Citing this family (94)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6766376B2 (en) 2000-09-12 2004-07-20 Sn Acquisition, L.L.C Streaming media buffering system
DE10303723B4 (de) * 2003-01-30 2006-02-16 Infineon Technologies Ag Vorrichtung und Verfahren zum Berechnen von verschlüsselten Daten aus unverschlüsselten Daten oder von unverschlüsselten Daten aus verschlüsselten Daten
US7581094B1 (en) * 2003-07-09 2009-08-25 Hewlett-Packard Development Company, L.P. Cryptographic checksums enabling data manipulation and transcoding
CA2533738C (en) * 2003-07-28 2010-11-16 Global Point Systems Inc. System, method and computer-readable medium for distributing moving image files with a commercial message file
JP2007507927A (ja) * 2003-09-29 2007-03-29 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ アドバンスドデータパーティショニングと効率的な空間−時間−ｓｎｒスケーラビリティビデオコーディング及びストリーミングのためのファイン・グラニュラリティ・スケーラビリティとを結合したシステム及び方法
US7519274B2 (en) 2003-12-08 2009-04-14 Divx, Inc. File format for multiple track digital data
US8472792B2 (en) 2003-12-08 2013-06-25 Divx, Llc Multimedia distribution system
KR20050076019A (ko) * 2004-01-19 2005-07-26 삼성전자주식회사 스케일러블 부호화에 기반한 비트스트림의 적응적 부호화및/또는 복호화 방법, 및 이를 구현하기 위한프로그램이 기록된 기록 매체
US7580520B2 (en) * 2004-02-14 2009-08-25 Hewlett-Packard Development Company, L.P. Methods for scaling a progressively encrypted sequence of scalable data
US7676590B2 (en) * 2004-05-03 2010-03-09 Microsoft Corporation Background transcoding
US7623660B1 (en) * 2004-07-20 2009-11-24 Xilinx, Inc. Method and system for pipelined decryption
GB0418279D0 (en) * 2004-08-16 2004-09-15 Nds Ltd System for providing access to operation information
US7483535B2 (en) * 2004-09-15 2009-01-27 Hewlett-Packard Development Company, L.P. Transmission of generalized scalable bit-streams
US8155306B2 (en) * 2004-12-09 2012-04-10 Intel Corporation Method and apparatus for increasing the speed of cryptographic processing
US7522724B2 (en) * 2005-01-07 2009-04-21 Hewlett-Packard Development Company, L.P. System and method of transmission of generalized scalable bit-streams
US7669121B2 (en) 2005-01-19 2010-02-23 Microsoft Corporation Transcode matrix
US7558463B2 (en) * 2005-04-18 2009-07-07 Microsoft Corporation Retention of information about digital-media rights in transformed digital media content
US7738766B2 (en) 2005-04-18 2010-06-15 Microsoft Corporation Sanctioned transcoding of digital-media content
US9436804B2 (en) 2005-04-22 2016-09-06 Microsoft Technology Licensing, Llc Establishing a unique session key using a hardware functionality scan
US9363481B2 (en) 2005-04-22 2016-06-07 Microsoft Technology Licensing, Llc Protected media pipeline
US8619860B2 (en) * 2005-05-03 2013-12-31 Qualcomm Incorporated System and method for scalable encoding and decoding of multimedia data using multiple layers
US8081755B2 (en) * 2005-05-20 2011-12-20 Microsoft Corporation JPEG2000 syntax-compliant encryption with full scalability
US20070189578A1 (en) * 2005-05-25 2007-08-16 Macrovision Corporation Computer-implemented method and system for perceptual cryptography in file-sharing environments
US7924913B2 (en) 2005-09-15 2011-04-12 Microsoft Corporation Non-realtime data transcoding of multimedia content
KR100763196B1 (ko) * 2005-10-19 2007-10-04 삼성전자주식회사 어떤 계층의 플래그를 계층간의 연관성을 이용하여부호화하는 방법, 상기 부호화된 플래그를 복호화하는방법, 및 장치
KR100736080B1 (ko) * 2005-10-27 2007-07-06 삼성전자주식회사 다 계층으로 구성된 멀티미디어 스트림의 저작권을 계층별로 관리하는 방법 및 장치
KR100724825B1 (ko) 2005-11-17 2007-06-04 삼성전자주식회사 스케일러블 비디오 코딩에서 다차원 스케일러빌리티에 따른 조건적 접근제어를 위한 스케일러블 비디오 비트스트림 암복호화 방법 및 암복호화 시스템
WO2007106844A2 (en) 2006-03-14 2007-09-20 Divx, Inc. Federated digital rights management scheme including trusted systems
US8364965B2 (en) 2006-03-15 2013-01-29 Apple Inc. Optimized integrity verification procedures
EP1855436A1 (de) * 2006-05-12 2007-11-14 Deutsche Thomson-Brandt Gmbh Verfahren und Vorrichtung zur Verschlüsselung von einem kodierten Audiosignal
KR100781528B1 (ko) 2006-06-29 2007-12-03 삼성전자주식회사 무결성을 보장하는 비디오 스트림을 제공하는 장치 및 그방법
KR100809301B1 (ko) * 2006-07-20 2008-03-04 삼성전자주식회사 엔트로피 부호화/복호화 방법 및 장치
JP2008028869A (ja) * 2006-07-24 2008-02-07 Nomura Research Institute Ltd 通信代理システムおよび通信代理装置
JP2008028867A (ja) * 2006-07-24 2008-02-07 Nomura Research Institute Ltd 通信代理システムおよび通信代理装置
JP2008028868A (ja) * 2006-07-24 2008-02-07 Nomura Research Institute Ltd 通信代理システムおよび通信代理装置
US20080043832A1 (en) 2006-08-16 2008-02-21 Microsoft Corporation Techniques for variable resolution encoding and decoding of digital video
US8773494B2 (en) 2006-08-29 2014-07-08 Microsoft Corporation Techniques for managing visual compositions for a multimedia conference call
US8990305B2 (en) 2006-10-18 2015-03-24 Microsoft Corporation Techniques for virtual conferencing servers
EP1921858A1 (de) * 2006-11-09 2008-05-14 Thomson Licensing Verfahren und Vorrichtung zur Verwaltung der Übergabe von Schlüsseln
US8411572B2 (en) * 2006-12-13 2013-04-02 Viasat, Inc. ACM and fixed coding and modulation of hierarchical layers
US8576858B2 (en) * 2006-12-13 2013-11-05 Viasat, Inc. Multiple transmission paths for hierarchical layers
US8395993B2 (en) * 2006-12-13 2013-03-12 Viasat, Inc. Video and data network load balancing with video placeholder
US20090041100A1 (en) 2006-12-13 2009-02-12 Viasat, Inc. Link aware mobile data network
US8456986B2 (en) * 2006-12-13 2013-06-04 Viasat, Inc. Video and data network load balancing
US8411571B2 (en) * 2006-12-13 2013-04-02 Viasat, Inc. Video and data network load balancing with video drop
US8358690B2 (en) * 2006-12-13 2013-01-22 Viasat, Inc. Predictive adaptive coding and modulation
EP4184341A1 (de) 2007-01-05 2023-05-24 DivX, LLC Videoverteilungssystem mit progressiver wiedergabe
US7961878B2 (en) 2007-10-15 2011-06-14 Adobe Systems Incorporated Imparting cryptographic information in network communications
FR2923669B1 (fr) * 2007-11-09 2010-01-08 Viaccess Sa Procede de conditionnement et de controle d'acces a des contenus en codage hierarchique, processeur et emetteur pour ce procede
KR20100106327A (ko) 2007-11-16 2010-10-01 디브이엑스, 인크. 멀티미디어 파일을 위한 계층적 및 감소된 인덱스 구조
JP2009130726A (ja) * 2007-11-26 2009-06-11 Kyocera Mita Corp 画像読取装置、及び画像形成装置
US8144781B2 (en) * 2008-01-04 2012-03-27 Broadcom Corporation Video processing system for scrambling layered video streams and methods for use therewith
KR101252921B1 (ko) * 2008-03-04 2013-04-09 애플 인크. 사업자에게 부여된 자격들에 기초하여 장치 내의 소프트웨어 코드의 실행을 인가하는 시스템 및 방법
WO2009111408A1 (en) * 2008-03-04 2009-09-11 Apple Inc. System and method of authorizing execution of software code based on at least one installed profile
US20090228868A1 (en) * 2008-03-04 2009-09-10 Max Drukman Batch configuration of multiple target devices
KR20100126478A (ko) * 2008-03-04 2010-12-01 애플 인크. 액세스 가능한 자격들에 기초하여 소프트웨어 코드의 실행을 인가하는 시스템 및 방법
WO2009111405A1 (en) * 2008-03-04 2009-09-11 Apple Inc. System and method of authorizing execution of software code based on a trusted cache
CN102625302B (zh) * 2008-06-23 2016-03-30 华为技术有限公司 密钥衍生方法、设备及系统
US8189776B2 (en) * 2008-09-18 2012-05-29 The Hong Kong University Of Science And Technology Method and system for encoding multimedia content based on secure coding schemes using stream cipher
US20100135488A1 (en) * 2008-12-01 2010-06-03 Electronics And Telecommunications Research Institute Svc encryption apparatus and method and contents providing system and method
EP2200307B1 (de) * 2008-12-11 2015-09-16 Electronics and Telecommunications Research Institute AT-DMB-Sende- und Empfangssystem zur Bereitstellung von Rundfunkdiensten mit bedingtem Zugang und Verfahren dafür
US20100278338A1 (en) * 2009-05-04 2010-11-04 Mediatek Singapore Pte. Ltd. Coding device and method with reconfigurable and scalable encryption/decryption modules
DE102009022233A1 (de) * 2009-05-20 2010-11-25 Feustel, Dietmar Verwendung einer Zeichenkette in Sytemen der Kryptographie, der Statistik, der Simulation, der Randomisierung, von Spielautomaten und dgl.
US20100312810A1 (en) * 2009-06-09 2010-12-09 Christopher Horton Secure identification of music files
US8255620B2 (en) * 2009-08-11 2012-08-28 Texas Memory Systems, Inc. Secure Flash-based memory system with fast wipe feature
EP2476228B1 (de) * 2009-09-09 2013-08-21 Telefonaktiebolaget LM Ericsson (publ) Technik zur Bestimmung der Benutzung vom verschlüsseltem Medieninhalt
US8401188B1 (en) * 2009-10-30 2013-03-19 Adobe Systems Incorporated System and method for partial encryption of frame-based electronic content
CA2782825C (en) 2009-12-04 2016-04-26 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
KR101282190B1 (ko) * 2009-12-11 2013-07-04 한국전자통신연구원 적응형 보안 정책 기반의 스케일러블 영상 서비스 방법 및 장치
KR20110071707A (ko) * 2009-12-21 2011-06-29 삼성전자주식회사 동영상 컨텐트 제공 방법 및 그 장치, 동영상 컨텐트 재생 방법 및 그 장치
US8731152B2 (en) 2010-06-18 2014-05-20 Microsoft Corporation Reducing use of periodic key frames in video conferencing
US8630412B2 (en) 2010-08-25 2014-01-14 Motorola Mobility Llc Transport of partially encrypted media
US20120076204A1 (en) * 2010-09-23 2012-03-29 Qualcomm Incorporated Method and apparatus for scalable multimedia broadcast using a multi-carrier communication system
US8914534B2 (en) 2011-01-05 2014-12-16 Sonic Ip, Inc. Systems and methods for adaptive bitrate streaming of media stored in matroska container files using hypertext transfer protocol
JP5380473B2 (ja) * 2011-01-24 2014-01-08 日立コンシューマエレクトロニクス株式会社 映像処理装置及び映像処理方法
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
US8787570B2 (en) 2011-08-31 2014-07-22 Sonic Ip, Inc. Systems and methods for automatically genenrating top level index files
US8909922B2 (en) 2011-09-01 2014-12-09 Sonic Ip, Inc. Systems and methods for playing back alternative streams of protected content protected using common cryptographic information
US9571827B2 (en) * 2012-06-08 2017-02-14 Apple Inc. Techniques for adaptive video streaming
US9425959B1 (en) * 2012-10-03 2016-08-23 Altera Corporation Security variable scrambling
WO2014105834A1 (en) * 2012-12-30 2014-07-03 Feliciano Raymond Richard Method and apparatus for encrypting and decrypting data
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
CN105075273B (zh) 2013-02-27 2019-03-26 苹果公司 自适应流式传输技术
KR101553148B1 (ko) * 2014-03-05 2015-09-14 울산대학교 산학협력단 비트 확장 방식을 이용한 암호화 장치 및 방법
KR101564421B1 (ko) * 2014-05-02 2015-10-29 삼성전자주식회사 동영상 처리 장치 및 방법
SG11201609457UA (en) 2014-08-07 2016-12-29 Sonic Ip Inc Systems and methods for protecting elementary bitstreams incorporating independently encoded tiles
WO2016112112A1 (en) 2015-01-06 2016-07-14 Sonic Ip, Inc. Systems and methods for encoding and sharing content between devices
CN105471860A (zh) * 2015-11-19 2016-04-06 浙江宇视科技有限公司 一种视频数据传输方法及装置
US20180047330A1 (en) * 2016-08-09 2018-02-15 Jacob Villarreal Rich enterprise service-oriented client-side integrated-circuitry infrastructure, and display apparatus
KR102186480B1 (ko) * 2018-12-31 2020-12-03 재단법인 경주스마트미디어센터 Drm 콘텐츠 패키징 장치 및 이를 포함하는 drm 콘텐츠 패키징 시스템 및 drm 콘텐츠 패키징 방법
KR102302755B1 (ko) * 2019-12-30 2021-09-16 재단법인 경주스마트미디어센터 Drm 콘텐츠 병렬 패키징 장치 및 이를 포함하는 drm 콘텐츠 병렬 패키징 시스템 및 drm 콘텐츠 병렬 패키징 방법
CN113473155B (zh) * 2021-06-29 2022-10-18 长安大学 Jpeg加密图像的快速攻击方法、系统及可读存储介质
WO2023026065A1 (en) * 2021-08-27 2023-03-02 Blackbird Plc Methods of encrypting a multimedia file, methods of decrypting an encrypted multimedia file; computer program products and apparatus

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0766471A1 (de) 1994-12-27 1997-04-02 Kabushiki Kaisha Toshiba Kommunikationsverarbeitungssystem mit sender, empfänger und digitales fernsehrundfunksystem
US6728775B1 (en) * 1997-03-17 2004-04-27 Microsoft Corporation Multiple multicasting of multimedia streams
US6006283A (en) * 1998-02-10 1999-12-21 Lsi Logic Corporation System and method for managing information exchanges in a disk interface chip
US6128737A (en) * 1998-04-20 2000-10-03 Microsoft Corporation Method and apparatus for producing a message authentication code in a cipher block chaining operation by using linear combinations of an encryption key
US6182214B1 (en) * 1999-01-08 2001-01-30 Bay Networks, Inc. Exchanging a secret over an unreliable network
US20020012432A1 (en) 1999-03-27 2002-01-31 Microsoft Corporation Secure video card in computing device having digital rights management (DRM) system
US6351491B1 (en) * 1999-06-23 2002-02-26 Sarnoff Corporation Apparatus and method for optimizing the rate control for multiscale entropy encoding
US6501797B1 (en) * 1999-07-06 2002-12-31 Koninklijke Phillips Electronics N.V. System and method for improved fine granular scalable video using base layer coding information
US6639943B1 (en) * 1999-11-23 2003-10-28 Koninklijke Philips Electronics N.V. Hybrid temporal-SNR fine granular scalability video coding
FI109393B (fi) * 2000-07-14 2002-07-15 Nokia Corp Menetelmä mediavirran enkoodaamiseksi skaalautuvasti, skaalautuva enkooderi ja päätelaite
EP1189432A3 (de) 2000-08-14 2004-10-20 Matsushita Electric Industrial Co., Ltd. Hierarchisches Verschlüsselungsschema zur sicheren Verteilung von vorherbestimmtem Inhalt
JP2002087628A (ja) 2000-09-11 2002-03-27 Toshiba Corp 自動取引装置および媒体処理装置
WO2002032147A1 (en) * 2000-10-11 2002-04-18 Koninklijke Philips Electronics N.V. Scalable coding of multi-media objects
JP2002287628A (ja) 2001-03-23 2002-10-04 Seiko Epson Corp 電子署名方法及び装置
US7155010B2 (en) 2001-05-04 2006-12-26 Hewlett-Packard Development Company, L.P. Signal format that facilitates easy scalability of encrypted streams
US7136485B2 (en) * 2001-05-04 2006-11-14 Hewlett-Packard Development Company, L.P. Packetizing devices for scalable data streaming
US7167560B2 (en) * 2002-08-08 2007-01-23 Matsushita Electric Industrial Co., Ltd. Partial encryption of stream-formatted media

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US7406176B2 (en) 2008-07-29
CN1535015A (zh) 2004-10-06
KR20040088352A (ko) 2004-10-16
US20040196975A1 (en) 2004-10-07
EP1465427A1 (de) 2004-10-06
CN1535015B (zh) 2011-02-23
EP1465427B1 (de) 2010-06-09
JP4572085B2 (ja) 2010-10-27
DE602004027570D1 (de) 2010-07-22

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