TWI349484B - System for transmission and reception of encrypted or unencrypted sound and/or image contents - Google Patents

System for transmission and reception of encrypted or unencrypted sound and/or image contents

Info

Publication number
TWI349484B
TWI349484B TW095145888A TW95145888A TWI349484B TW I349484 B TWI349484 B TW I349484B TW 095145888 A TW095145888 A TW 095145888A TW 95145888 A TW95145888 A TW 95145888A TW I349484 B TWI349484 B TW I349484B
Authority
TW
Taiwan
Prior art keywords
unencrypted
encrypted
reception
sound
transmission
Prior art date
Application number
TW095145888A
Other languages
English (en)
Other versions
TW200740239A (en
Inventor
Robert Sedlmeyer
Original Assignee
Inst Rundfunktechnik Gmbh Munchen
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=36609115&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=TWI349484(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Inst Rundfunktechnik Gmbh Munchen filed Critical Inst Rundfunktechnik Gmbh Munchen
Publication of TW200740239A publication Critical patent/TW200740239A/zh
Application granted granted Critical
Publication of TWI349484B publication Critical patent/TWI349484B/zh

Links

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]
    • H04N21/60—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
    • H04N21/633—Control signals issued by server directed to the network components or client
    • H04N21/6332—Control signals issued by server directed to the network components or client directed to client
    • H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
    • 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
    • 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
    • H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4408—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream encryption, e.g. re-encrypting a decrypted video stream for redistribution in a home network
    • 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
    • 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
TW095145888A 2005-07-15 2006-12-08 System for transmission and reception of encrypted or unencrypted sound and/or image contents TWI349484B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102005033285.4A DE102005033285C5 (de) 2005-07-15 2005-07-15 Consumer-Electronic-Gerät
PCT/EP2006/002884 WO2007009506A1 (de) 2005-07-15 2006-03-30 Verfahren und einrichtung zum weiterübertragen sowie zum bearbeiten und/oder wiedergeben und/oder speichern von ton- und/oder bildinhalten sowie gerät zum bearbeiten und/oder wiedergeben und/oder speichern von ton- und/oder bildinhalten

Publications (2)

Publication Number Publication Date
TW200740239A TW200740239A (en) 2007-10-16
TWI349484B true TWI349484B (en) 2011-09-21

Family

ID=36609115

Family Applications (1)

Application Number Title Priority Date Filing Date
TW095145888A TWI349484B (en) 2005-07-15 2006-12-08 System for transmission and reception of encrypted or unencrypted sound and/or image contents

Country Status (8)

Country Link
US (2) US20080285946A1 (zh)
EP (2) EP2487899A3 (zh)
JP (3) JP2009501461A (zh)
KR (1) KR100874076B1 (zh)
CN (1) CN101019425B (zh)
DE (1) DE102005033285C5 (zh)
TW (1) TWI349484B (zh)
WO (1) WO2007009506A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101291066B1 (ko) 2010-12-10 2013-08-01 한국전자통신연구원 Ｉｐｔｖ 단말 간 콘텐츠 재전송 장치 및 방법
CN107371090B (zh) * 2016-05-13 2020-09-04 矽统科技股份有限公司 音频处理编码锁定方法与收音装置

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EP1845527A3 (en) * 1994-07-08 2012-04-25 Sony Corporation Receiving controlled-access broadcast signals
JP2000040294A (ja) * 1998-05-20 2000-02-08 Sony Corp 情報処理装置および方法、並びに記録媒体
KR100484209B1 (ko) * 1998-09-24 2005-09-30 삼성전자주식회사 디지털컨텐트암호화/해독화장치및그방법
JP2000324468A (ja) * 1999-05-14 2000-11-24 Sony Corp 映像信号出力装置、映像信号入力装置、スクランブル方法、デスクランブル方法
EP1075108A1 (en) 1999-07-23 2001-02-07 BRITISH TELECOMMUNICATIONS public limited company Cryptographic data distribution
US6996236B1 (en) * 1999-10-20 2006-02-07 Microsoft Corporation Methods and apparatus for protecting signals transmitted between a source and destination device over multiple signal lines
PL356046A1 (en) * 2000-01-28 2004-06-14 Nagracard S.A. Method and system for transmission of decrypting information
US7146007B1 (en) * 2000-03-29 2006-12-05 Sony Corporation Secure conditional access port interface
JP4354080B2 (ja) * 2000-03-29 2009-10-28 パナソニック株式会社 限定受信システム
JP4547773B2 (ja) * 2000-05-17 2010-09-22 ソニー株式会社 データ配信システムとその方法、および、データ受信装置とその方法
EP1156486B1 (en) * 2000-04-20 2016-04-06 Hitachi Maxell, Ltd. Digital signal recording/reproducing apparatus, receiving apparatus and transmitting method
CN1111335C (zh) * 2000-12-15 2003-06-11 上海南广电子技术有限公司 宽带数据广播中窄带条件接收方法
US7266704B2 (en) * 2000-12-18 2007-09-04 Digimarc Corporation User-friendly rights management systems and methods
JP4752113B2 (ja) * 2001-01-16 2011-08-17 ソニー株式会社 電子機器及び信号伝送方法
JP4299976B2 (ja) * 2001-03-02 2009-07-22 株式会社日立製作所 ディジタル情報記録装置
JP3770101B2 (ja) * 2001-04-17 2006-04-26 ソニー株式会社 データ転送方法、転送データ記録方法、データ転送システム、データ転送装置
GB2379146A (en) * 2001-08-23 2003-02-26 Inventec Corp Transmission of encrypted and digitally signed files over the internet
US20030078891A1 (en) * 2001-10-18 2003-04-24 Capitant Patrice J. Systems and methods for providing digital rights management compatibility
US7487363B2 (en) * 2001-10-18 2009-02-03 Nokia Corporation System and method for controlled copying and moving of content between devices and domains based on conditional encryption of content key depending on usage
CN1579095A (zh) 2001-10-29 2005-02-09 松下电器产业株式会社 基线内容保护和复制管理数字视频广播的装置
US6908535B2 (en) 2002-03-06 2005-06-21 Medtronic, Inc. Current-to-voltage-converter for a biosensor
JP3998178B2 (ja) * 2002-04-24 2007-10-24 日本放送協会 コンテンツ著作権保護装置及びそのプログラム
CN1656803B (zh) 2002-05-22 2012-06-13 皇家飞利浦电子股份有限公司 数字权利管理方法和系统
US7296154B2 (en) * 2002-06-24 2007-11-13 Microsoft Corporation Secure media path methods, systems, and architectures
DE10236635B4 (de) * 2002-08-09 2004-09-23 Loewe Opta Gmbh Gerätekombination aus zwei Aufzeichnungs- und/oder Wiedergabegeräten für verschlüsselte digitale Bild- und/oder Tonsignale
JP4112342B2 (ja) * 2002-11-21 2008-07-02 株式会社東芝 チューナモジュール，受信システム，および暗号化処理方法
US7292692B2 (en) * 2003-03-25 2007-11-06 Sony Corporation Content scrambling with minimal impact on legacy devices
US7263187B2 (en) * 2003-10-31 2007-08-28 Sony Corporation Batch mode session-based encryption of video on demand content
JP2005190350A (ja) * 2003-12-26 2005-07-14 Toshiba Corp コンテンツ送信装置及びコンテンツ送信方法
JP2005286959A (ja) 2004-03-31 2005-10-13 Sony Corp 情報処理方法、復号処理方法、および情報処理装置、並びにコンピュータ・プログラム
DE102005033836B4 (de) 2005-07-20 2009-11-19 Institut für Rundfunktechnik GmbH Verfahren zum Weiterleiten von Nutzungsberechtigungsinformationen

Also Published As

Publication number Publication date
CN101019425A (zh) 2007-08-15
KR100874076B1 (ko) 2008-12-12
JP2012110052A (ja) 2012-06-07
EP1905235A1 (de) 2008-04-02
DE102005033285C5 (de) 2019-11-07
KR20070088291A (ko) 2007-08-29
EP2487899A2 (de) 2012-08-15
JP2012124950A (ja) 2012-06-28
US9077953B2 (en) 2015-07-07
WO2007009506A1 (de) 2007-01-25
JP5557348B2 (ja) 2014-07-23
EP2487899A3 (de) 2013-01-02
DE102005033285B4 (de) 2012-08-30
US20130114941A1 (en) 2013-05-09
CN101019425B (zh) 2011-09-07
TW200740239A (en) 2007-10-16
US20080285946A1 (en) 2008-11-20
DE102005033285A1 (de) 2007-01-25
JP2009501461A (ja) 2009-01-15

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