WO2005046204A3 - Preparation of content for multiple conditional access methods in video on demand - Google Patents

Preparation of content for multiple conditional access methods in video on demand Download PDF

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Publication number
WO2005046204A3
WO2005046204A3 PCT/US2004/032229 US2004032229W WO2005046204A3 WO 2005046204 A3 WO2005046204 A3 WO 2005046204A3 US 2004032229 W US2004032229 W US 2004032229W WO 2005046204 A3 WO2005046204 A3 WO 2005046204A3
Authority
WO
WIPO (PCT)
Prior art keywords
video
demand
preparation
content
conditional access
Prior art date
Application number
PCT/US2004/032229
Other languages
French (fr)
Other versions
WO2005046204A2 (en
Inventor
Leo M Pedlow Jr
Davender Agnihotri
Original Assignee
Sony Electronics Inc
Leo M Pedlow Jr
Davender Agnihotri
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, Leo M Pedlow Jr, Davender Agnihotri filed Critical Sony Electronics Inc
Priority to JP2006539483A priority Critical patent/JP4719685B2/en
Priority to KR1020067008121A priority patent/KR101085541B1/en
Priority to CN2004800328260A priority patent/CN1879414B/en
Priority to EP04789380.5A priority patent/EP1680919B1/en
Publication of WO2005046204A2 publication Critical patent/WO2005046204A2/en
Publication of WO2005046204A3 publication Critical patent/WO2005046204A3/en

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]
    • H04N21/20—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
    • H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23473—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/23439—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements for generating different versions
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/23608—Remultiplexing multiplex streams, e.g. involving modifying time stamps or remapping the packet identifiers
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2362—Generation or processing of Service Information [SI]
    • 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
    • H04N21/236—Assembling of a multiplex stream, e.g. transport stream, by combining a video stream with other content or additional data, e.g. inserting a URL [Uniform Resource Locator] into a video stream, multiplexing software data into a video stream; Remultiplexing of multiplex streams; Insertion of stuffing bits into the multiplex stream, e.g. to obtain a constant bit-rate; Assembling of a packetised elementary stream
    • H04N21/2365—Multiplexing of several video streams
    • 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
    • H04N21/238—Interfacing the downstream path of the transmission network, e.g. adapting the transmission rate of a video stream to network bandwidth; Processing of multiplex streams
    • H04N21/2389—Multiplex stream processing, e.g. multiplex stream encrypting
    • H04N21/23895—Multiplex stream processing, e.g. multiplex stream encrypting involving multiplex stream encryption
    • 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
    • H04N21/26606—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 entitlement messages, e.g. Entitlement Control Message [ECM] or Entitlement Management Message [EMM]
    • 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
    • H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
    • H04N21/4347—Demultiplexing of several video streams
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/173—Analogue secrecy systems; Analogue subscription systems with two-way working, e.g. subscriber sending a programme selection signal
    • H04N7/17309—Transmission or handling of upstream communications
    • H04N7/17336—Handling of requests in head-ends

Abstract

A system including a packet selector (410), trick play file processor (402), selection criterion (416), PID generator (424), packet duplicator (420), PMT/PAT generator (434), encryption flag manager (430) and timing corrector (406) provides for secure trick play in a video on demand environment.
PCT/US2004/032229 2003-11-03 2004-09-30 Preparation of content for multiple conditional access methods in video on demand WO2005046204A2 (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2006539483A JP4719685B2 (en) 2003-11-03 2004-09-30 Content processing method and video on demand
KR1020067008121A KR101085541B1 (en) 2003-11-03 2004-09-30 Preparation of content for multiple conditional access methods in video on demand
CN2004800328260A CN1879414B (en) 2003-11-03 2004-09-30 Preparation of content for multiple conditional access methods in video on demand
EP04789380.5A EP1680919B1 (en) 2003-11-03 2004-09-30 Preparation of content for multiple conditional access methods in video on demand

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US51686703P 2003-11-03 2003-11-03
US60/516,867 2003-11-03
US10/802,008 US7620180B2 (en) 2003-11-03 2004-03-16 Preparation of content for multiple conditional access methods in video on demand
US10/802,008 2004-03-16

Publications (2)

Publication Number Publication Date
WO2005046204A2 WO2005046204A2 (en) 2005-05-19
WO2005046204A3 true WO2005046204A3 (en) 2006-03-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2004/032229 WO2005046204A2 (en) 2003-11-03 2004-09-30 Preparation of content for multiple conditional access methods in video on demand

Country Status (6)

Country Link
US (1) US7620180B2 (en)
EP (1) EP1680919B1 (en)
JP (1) JP4719685B2 (en)
KR (1) KR101085541B1 (en)
CN (1) CN1879414B (en)
WO (1) WO2005046204A2 (en)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7730300B2 (en) 1999-03-30 2010-06-01 Sony Corporation Method and apparatus for protecting the transfer of data
US6697489B1 (en) 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US7039614B1 (en) 1999-11-09 2006-05-02 Sony Corporation Method for simulcrypting scrambled data to a plurality of conditional access devices
US7018795B2 (en) * 2001-03-23 2006-03-28 Fuji Photo Film Co., Ltd. Hybridization probe and target nucleic acid detecting kit, target nucleic acid detecting apparatus and target nucleic acid detecting method using the same
US7124303B2 (en) 2001-06-06 2006-10-17 Sony Corporation Elementary stream partial encryption
US7747853B2 (en) * 2001-06-06 2010-06-29 Sony Corporation IP delivery of secure digital content
US7895616B2 (en) 2001-06-06 2011-02-22 Sony Corporation Reconstitution of program streams split across multiple packet identifiers
US7215770B2 (en) * 2002-01-02 2007-05-08 Sony Corporation System and method for partially encrypted multimedia stream
US7765567B2 (en) 2002-01-02 2010-07-27 Sony Corporation Content replacement by PID mapping
US7823174B2 (en) 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
US7292690B2 (en) * 2002-01-02 2007-11-06 Sony Corporation Video scene change detection
US7155012B2 (en) * 2002-01-02 2006-12-26 Sony Corporation Slice mask and moat pattern partial encryption
US7302059B2 (en) * 2002-01-02 2007-11-27 Sony Corporation Star pattern partial encryption
US8818896B2 (en) 2002-09-09 2014-08-26 Sony Corporation Selective encryption with coverage encryption
US8572408B2 (en) 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
US7724907B2 (en) * 2002-11-05 2010-05-25 Sony Corporation Mechanism for protecting the transfer of digital content
US8645988B2 (en) 2002-12-13 2014-02-04 Sony Corporation Content personalization for digital content
US8667525B2 (en) 2002-12-13 2014-03-04 Sony Corporation Targeted advertisement selection from a digital stream
SG129240A1 (en) * 2003-01-23 2007-02-26 Agency Science Tech & Res Biodegradable copolymer and nucleic acid delivery system
US7853980B2 (en) 2003-10-31 2010-12-14 Sony Corporation Bi-directional indices for trick mode video-on-demand
KR100630680B1 (en) * 2004-03-19 2006-10-02 삼성전자주식회사 Non-volatile Memory Device with Asymmetrical Gate Dielectric Layer and Manufacturing Method thereof
US8041190B2 (en) 2004-12-15 2011-10-18 Sony Corporation System and method for the creation, synchronization and delivery of alternate content
US7895617B2 (en) 2004-12-15 2011-02-22 Sony Corporation Content substitution editor
WO2006074201A2 (en) * 2005-01-04 2006-07-13 Breach Security A system to enable detecting attacks within encrypted traffic
US20070006253A1 (en) * 2005-06-29 2007-01-04 Pinder Howard G Partial pre-encryption with network-based packet sorting
WO2007004161A1 (en) * 2005-06-30 2007-01-11 Koninklijke Philips Electronics, N.V. Method and system for providing conditional access to data in an mhp or ocap broadcast system
US8191098B2 (en) * 2005-12-22 2012-05-29 Verimatrix, Inc. Multi-source bridge content distribution system and method
WO2007072257A1 (en) * 2005-12-23 2007-06-28 Koninklijke Philips Electronics N.V. A device for and a method of processing an encrypted data stream
US8526612B2 (en) * 2006-01-06 2013-09-03 Google Inc. Selective and persistent application level encryption for video provided to a client
EP1821538A1 (en) 2006-02-15 2007-08-22 Irdeto Access B.V. Method and system providing scrambled content
US20070291939A1 (en) * 2006-02-15 2007-12-20 Samsung Electronics Co., Ltd. Method and system for transmission of uncompressed video over wireless channels
US8185921B2 (en) 2006-02-28 2012-05-22 Sony Corporation Parental control of displayed content using closed captioning
US7548543B2 (en) * 2006-05-19 2009-06-16 Scientific-Atlanta, Inc. Generation of valid program clock reference time stamps for duplicate transport stream packets
US20070288749A1 (en) * 2006-06-08 2007-12-13 Shenzhen Tcl New Technology Ltd Unscrambled channel detection system and method
US8601555B2 (en) * 2006-12-04 2013-12-03 Samsung Electronics Co., Ltd. System and method of providing domain management for content protection and security
US20080133414A1 (en) * 2006-12-04 2008-06-05 Samsung Electronics Co., Ltd. System and method for providing extended domain management when a primary device is unavailable
CN100551043C (en) * 2007-02-08 2009-10-14 华为技术有限公司 A kind of method of fast forwarding and fast rewinding playing video data and streaming media server
MX2009009493A (en) 2007-03-08 2009-09-15 Thomson Licensing Method, apparatus and system for coordinated content distribution workflow.
US7929698B2 (en) 2007-06-15 2011-04-19 Sony Corporation Selective encryption to enable trick play with enhanced security
US8104091B2 (en) * 2008-03-07 2012-01-24 Samsung Electronics Co., Ltd. System and method for wireless communication network having proximity control based on authorization token
US20100031302A1 (en) * 2008-07-30 2010-02-04 Kabushiki Kaisha Toshiba Stream distribution system, stream receiving device, and stream reproduction method
US8392530B1 (en) * 2008-12-18 2013-03-05 Adobe Systems Incorporated Media streaming in a multi-tier client-server architecture
CA2822185C (en) 2009-08-14 2014-04-22 Azuki Systems, Inc. Method and system for unified mobile content protection
US8649514B2 (en) 2010-12-28 2014-02-11 Sony Corporation On-demand switched content encryption
US9078021B2 (en) * 2013-01-16 2015-07-07 Kabushiki Kaisha Toshiba Information processing apparatus, content transmission method and storage medium
WO2014144936A1 (en) * 2013-03-15 2014-09-18 Videri Inc. Systems and methods for displaying, distributing, viewing and controlling digital art and imaging
US10841626B2 (en) * 2014-10-27 2020-11-17 Texas Instruments Incorporated Selective picture-based encryption of video streams
CN105744297A (en) * 2014-12-12 2016-07-06 中兴通讯股份有限公司 Method and device for code stream transmission
US10218981B2 (en) * 2015-02-11 2019-02-26 Wowza Media Systems, LLC Clip generation based on multiple encodings of a media stream
EP3113501A1 (en) * 2015-06-29 2017-01-04 Nagravision SA Content protection
KR102154754B1 (en) * 2020-06-22 2020-09-10 주식회사 비알인포텍 Video Coding System with Patterned Null Frame

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030002854A1 (en) * 2001-06-29 2003-01-02 International Business Machines Corporation Systems, methods, and computer program products to facilitate efficient transmission and playback of digital information
US20030026423A1 (en) * 2001-06-06 2003-02-06 Unger Robert Allan Critical packet partial encryption
US20030077071A1 (en) * 2001-10-23 2003-04-24 Shu Lin Fast forward trick mode and reverse trick mode using an information file
US20030118243A1 (en) * 2001-09-18 2003-06-26 Ugur Sezer Largest magnitude indices selection for (run, level) encoding of a block coded picture
US20030123664A1 (en) * 2002-01-02 2003-07-03 Pedlow Leo M. Encryption and content control in a digital broadcast system

Family Cites Families (176)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5870474A (en) * 1995-12-04 1999-02-09 Scientific-Atlanta, Inc. Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
US3852519A (en) 1972-10-20 1974-12-03 Optical Systems Corp Video and audio encoding/decoding system employing suppressed carrier modulation
GB2073534B (en) 1980-04-02 1984-04-04 Sony Corp Error concealment in digital television signals
GB2084432A (en) * 1980-09-18 1982-04-07 Sony Corp Error concealment in digital television signals
US4521853A (en) 1982-06-30 1985-06-04 Texas Instruments Incorporated Secure microprocessor/microcomputer with secured memory
CA1338158C (en) 1982-07-15 1996-03-12 John D. Lowry Encryption and decryption (scrambling and unscrambling) of video signals
US4785361A (en) 1982-11-08 1988-11-15 Vault Corporation Method and apparatus for frustrating the unauthorized copying of recorded data
US4634808A (en) * 1984-03-15 1987-01-06 M/A-Com Government Systems, Inc. Descrambler subscriber key production system utilizing key seeds stored in descrambler
US4712238A (en) 1984-06-08 1987-12-08 M/A-Com Government Systems, Inc. Selective-subscription descrambling
JPS6120442A (en) 1984-07-09 1986-01-29 Toshiba Corp Chargeable broadcasting system
JPH0746864B2 (en) 1984-08-22 1995-05-17 ソニー株式会社 High efficiency encoder
US4887296A (en) 1984-10-26 1989-12-12 Ricoh Co., Ltd. Cryptographic system for direct broadcast satellite system
CA1251555A (en) 1984-12-19 1989-03-21 Tetsujiro Kondo High efficiency technique for coding a digital video signal
JPH0793724B2 (en) 1984-12-21 1995-10-09 ソニー株式会社 High efficiency coding apparatus and coding method for television signal
DE3688855T2 (en) * 1985-05-01 1994-03-17 Gen Instrument Corp Satellite transmission system with direct transmission.
JP2670259B2 (en) * 1985-11-29 1997-10-29 ソニー株式会社 High efficiency coding device
JPH0746862B2 (en) 1985-11-30 1995-05-17 ソニー株式会社 Frame dropping compression encoding and decoding method
JP2612557B2 (en) 1985-12-18 1997-05-21 ソニー株式会社 Data transmission receiving system and data decoding device
JPS62231569A (en) * 1986-03-31 1987-10-12 Fuji Photo Film Co Ltd Quantizing method for estimated error
NL8600980A (en) * 1986-04-18 1987-11-16 Philips Nv METHOD FOR TRANSMITTING UPDATE INFORMATION FOR A STILL VIDEO IMAGE
US4944006A (en) 1987-03-12 1990-07-24 Zenith Electronics Corporation Secure data packet transmission system and method
JP2508439B2 (en) 1987-05-29 1996-06-19 ソニー株式会社 High efficiency encoder
EP0293644B1 (en) 1987-06-02 1992-03-25 Siemens Aktiengesellschaft Method for determining movement vector fields from digital image sequences
US5122873A (en) 1987-10-05 1992-06-16 Intel Corporation Method and apparatus for selectively encoding and decoding a digital motion video signal at multiple resolution levels
JP2629238B2 (en) 1988-02-05 1997-07-09 ソニー株式会社 Decoding device and decoding method
US4995080A (en) * 1988-08-04 1991-02-19 Zenith Electronics Corporation Television signal scrambling system and method
US5247575A (en) 1988-08-16 1993-09-21 Sprague Peter J Information distribution system
US4953023A (en) 1988-09-29 1990-08-28 Sony Corporation Coding apparatus for encoding and compressing video data
US4964126A (en) 1988-09-30 1990-10-16 Massachusetts Institute Of Technology Fault tolerant signal processing machine and method
JP2900385B2 (en) 1988-12-16 1999-06-02 ソニー株式会社 Framing circuit and method
US5144662A (en) 1989-02-08 1992-09-01 U.S. Philips Corporation Public communication system comprising distributed stations, and station and sub-station for use in such a communication system
JP3018366B2 (en) 1989-02-08 2000-03-13 ソニー株式会社 Video signal processing circuit
US4989245A (en) * 1989-03-06 1991-01-29 General Instrument Corporation Controlled authorization of descrambling of scrambled programs broadcast between different jurisdictions
US5151782A (en) 1989-05-17 1992-09-29 Reiss Media Enterprises Control system for satellite delivered pay-per-view television system
US5208816A (en) 1989-08-18 1993-05-04 At&T Bell Laboratories Generalized viterbi decoding algorithms
US6519693B1 (en) * 1989-08-23 2003-02-11 Delta Beta, Pty, Ltd. Method and system of program transmission optimization using a redundant transmission sequence
JPH03141752A (en) 1989-10-27 1991-06-17 Hitachi Ltd Picture signal transmitting method
US5237610A (en) 1990-02-01 1993-08-17 Scientific-Atlanta, Inc. Independent external security module for a digitally upgradeable television signal decoder
JPH0474063A (en) 1990-07-13 1992-03-09 Matsushita Electric Ind Co Ltd Coding method for picture
US5018197A (en) 1990-07-30 1991-05-21 Zenith Electronics Corporation Secure video decoder system
JP2650472B2 (en) 1990-07-30 1997-09-03 松下電器産業株式会社 Digital signal recording apparatus and digital signal recording method
JP2969867B2 (en) 1990-08-31 1999-11-02 ソニー株式会社 High-efficiency encoder for digital image signals.
GB9019538D0 (en) * 1990-09-07 1990-10-24 Philips Electronic Associated Tracking a moving object
US5594507A (en) * 1990-09-28 1997-01-14 Ictv, Inc. Compressed digital overlay controller and method for MPEG type video signal
US5416651A (en) 1990-10-31 1995-05-16 Sony Corporation Apparatus for magnetically recording digital data
US5144664A (en) 1990-11-16 1992-09-01 General Instrument Corporation Apparatus and method for upgrading terminals to maintain a secure communication network
JP2906671B2 (en) * 1990-12-28 1999-06-21 ソニー株式会社 Highly efficient digital video signal encoding apparatus and method
EP0495501B1 (en) 1991-01-17 1998-07-08 Sharp Kabushiki Kaisha Image coding and decoding system using an orthogonal transform and bit allocation method suitable therefore
US5091936A (en) * 1991-01-30 1992-02-25 General Instrument Corporation System for communicating television signals or a plurality of digital audio signals in a standard television line allocation
US5138659A (en) 1991-05-02 1992-08-11 General Instrument Corporation Conversion of television signal formats with retention of common control data stream
JP2766919B2 (en) 1991-06-07 1998-06-18 三菱電機株式会社 Digital signal recording / reproducing device, digital signal recording device, digital signal reproducing device
US5263026A (en) 1991-06-27 1993-11-16 Hughes Aircraft Company Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver
MY108367A (en) 1991-09-30 1996-09-30 Thomson Consumer Electronics S A Method and apparatus for secure transmisson of video signals.
DE69217150T2 (en) 1991-09-30 1997-07-17 Philips Electronics Nv Motion vector estimation, motion picture coding and storage
US5398078A (en) * 1991-10-31 1995-03-14 Kabushiki Kaisha Toshiba Method of detecting a motion vector in an image coding apparatus
US5724091A (en) * 1991-11-25 1998-03-03 Actv, Inc. Compressed digital data interactive program system
JP3278881B2 (en) * 1991-12-13 2002-04-30 ソニー株式会社 Image signal generator
US6208805B1 (en) * 1992-02-07 2001-03-27 Max Abecassis Inhibiting a control function from interfering with a playing of a video
JP3259323B2 (en) 1992-04-13 2002-02-25 ソニー株式会社 De-interleave circuit
US5359694A (en) 1992-07-27 1994-10-25 Teknekron Communications Systems, Inc. Method and apparatus for converting image data
US5438369A (en) 1992-08-17 1995-08-01 Zenith Electronics Corporation Digital data interleaving system with improved error correctability for vertically correlated interference
US5481554A (en) * 1992-09-02 1996-01-02 Sony Corporation Data transmission apparatus for transmitting code data
US5400401A (en) * 1992-10-30 1995-03-21 Scientific Atlanta, Inc. System and method for transmitting a plurality of digital services
US5414852A (en) 1992-10-30 1995-05-09 International Business Machines Corporation Method for protecting data in a computer system
US5319707A (en) 1992-11-02 1994-06-07 Scientific Atlanta System and method for multiplexing a plurality of digital program services for transmission to remote locations
US5341425A (en) 1992-12-02 1994-08-23 Scientific Atlanta, Inc. Methods and apparatus for uniquely encrypting data at a plurality of data transmission sites for transmission to a reception site
US5726711A (en) * 1993-01-13 1998-03-10 Hitachi America, Ltd. Intra-coded video frame data processing methods and apparatus
US5325432A (en) 1993-02-04 1994-06-28 Motorola, Inc. Method for updating encryption key information in communication units
US5416847A (en) 1993-02-12 1995-05-16 The Walt Disney Company Multi-band, digital audio noise filter
US5444491A (en) 1993-02-26 1995-08-22 Massachusetts Institute Of Technology Television system with multiple transmission formats
US5444782A (en) 1993-03-09 1995-08-22 Uunet Technologies, Inc. Computer network encryption/decryption device
US5444763A (en) * 1993-06-17 1995-08-22 Research In Motion Limited Translation and connection device for radio frequency point of sale transaction systems
KR960015357B1 (en) 1993-07-16 1996-11-09 대우전자 주식회사 Communication system of scrambling and descrambling for radio program signal
JP2707950B2 (en) * 1993-07-30 1998-02-04 ソニー株式会社 Digital image information processing device
US5381481A (en) * 1993-08-04 1995-01-10 Scientific-Atlanta, Inc. Method and apparatus for uniquely encrypting a plurality of services at a transmission site
US5319712A (en) 1993-08-26 1994-06-07 Motorola, Inc. Method and apparatus for providing cryptographic protection of a data stream in a communication system
KR960012931B1 (en) * 1993-08-31 1996-09-25 대우전자 주식회사 Channel error concealing method for classified vector quantized video
JP3590996B2 (en) * 1993-09-30 2004-11-17 ソニー株式会社 Hierarchical encoding and decoding apparatus for digital image signal
US5663764A (en) 1993-09-30 1997-09-02 Sony Corporation Hierarchical encoding and decoding apparatus for a digital image signal
US5617333A (en) * 1993-11-29 1997-04-01 Kokusai Electric Co., Ltd. Method and apparatus for transmission of image data
US5455862A (en) 1993-12-02 1995-10-03 Crest Industries, Inc. Apparatus and method for encrypting communications without exchanging an encryption key
JP3271108B2 (en) 1993-12-03 2002-04-02 ソニー株式会社 Apparatus and method for processing digital image signal
FR2715256B1 (en) * 1994-01-19 1996-02-16 France Telecom Procedures for transmitting and receiving conditional access programs managed by the same operator.
EP0669761A3 (en) * 1994-02-23 1999-03-03 Hitachi, Ltd. Television signal receiving apparatus incorporating an information retrieving and reproducing apparatus
US5491748A (en) * 1994-03-01 1996-02-13 Zenith Electronics Corporation Enhanced security for a cable system
CN1092004C (en) 1994-03-18 2002-10-02 皇家菲利浦电子有限公司 Audio-video system
US5420866A (en) 1994-03-29 1995-05-30 Scientific-Atlanta, Inc. Methods for providing conditional access information to decoders in a packet-based multiplexed communications system
US5515107A (en) 1994-03-30 1996-05-07 Sigma Designs, Incorporated Method of encoding a stream of motion picture data
US5477263A (en) 1994-05-26 1995-12-19 Bell Atlantic Network Services, Inc. Method and apparatus for video on demand with fast forward, reverse and channel pause
US6185546B1 (en) * 1995-10-04 2001-02-06 Intel Corporation Apparatus and method for providing secured communications
US5473692A (en) 1994-09-07 1995-12-05 Intel Corporation Roving software license for a hardware agent
US5539828A (en) 1994-05-31 1996-07-23 Intel Corporation Apparatus and method for providing secured communications
US5606359A (en) * 1994-06-30 1997-02-25 Hewlett-Packard Company Video on demand system with multiple data sources configured to provide vcr-like services
US5535276A (en) 1994-11-09 1996-07-09 Bell Atlantic Network Services, Inc. Yaksha, an improved system and method for securing communications using split private key asymmetric cryptography
US5526427A (en) 1994-07-22 1996-06-11 A.C. Nielsen Company Universal broadcast code and multi-level encoded signal monitoring system
US5574787A (en) 1994-07-25 1996-11-12 Ryan; John O. Apparatus and method for comprehensive copy protection for video platforms and unprotected source material
US5539823A (en) 1994-07-27 1996-07-23 General Instrument Corporation Of Delaware Subscription television picture scrambling and descrambling system providing compatibility with different such systems
US5629981A (en) 1994-07-29 1997-05-13 Texas Instruments Incorporated Information management and security system
JP3575100B2 (en) * 1994-11-14 2004-10-06 ソニー株式会社 Data transmission / reception apparatus and method, and data recording / reproduction apparatus and method
US5652795A (en) 1994-11-14 1997-07-29 Hughes Electronics Method and apparatus for an adapter card providing conditional access in a communication system
KR0152788B1 (en) * 1994-11-26 1998-10-15 이헌조 Copy protecting method and apparatus of digital image system
US5485577A (en) * 1994-12-16 1996-01-16 General Instrument Corporation Of Delaware Method and apparatus for incremental delivery of access rights
WO1996020563A1 (en) * 1994-12-27 1996-07-04 Kabushiki Kaisha Toshiba Transmitter, receiver, communication processing system integrating them, and digital television broadcasting system
US5590202A (en) 1995-01-18 1996-12-31 Zenith Electronics Corporation Countdown system for conditional access module
US5583863A (en) 1995-01-31 1996-12-10 Bell Atlantic Network Services, Inc. Full service network using asynchronous transfer mode multiplexing
US5999406A (en) * 1995-02-23 1999-12-07 Avid Technology, Inc. Dockable electronic equipment container
US6937729B2 (en) * 1995-04-03 2005-08-30 Scientific-Atlanta, Inc. Representing entitlements to service in a conditional access system
US5608448A (en) * 1995-04-10 1997-03-04 Lockheed Martin Corporation Hybrid architecture for video on demand server
US5600378A (en) * 1995-05-22 1997-02-04 Scientific-Atlanta, Inc. Logical and composite channel mapping in an MPEG network
US5583576A (en) 1995-09-11 1996-12-10 Oktv, Inc. Rating-dependent parental lock-out for television reception
US5582470A (en) 1995-09-12 1996-12-10 Silitek Corporation Scanner housing
US5742680A (en) * 1995-11-13 1998-04-21 E Star, Inc. Set top box for receiving and decryption and descrambling a plurality of satellite television signals
AU734654B2 (en) * 1996-02-09 2001-06-21 Integrated Technologies Of America, Inc. Access control/crypto system
US5905732A (en) * 1996-08-27 1999-05-18 Zenith Electronics Corporation PCR restamper
KR100238098B1 (en) * 1996-09-16 2000-01-15 윤종용 Apparatus for synchronously reproducing multi-angle data
US6023509A (en) * 1996-09-30 2000-02-08 Intel Corporation Digital signature purpose encoding
US6012144A (en) * 1996-10-08 2000-01-04 Pickett; Thomas E. Transaction security method and apparatus
US5828753A (en) * 1996-10-25 1998-10-27 Intel Corporation Circuit and method for ensuring interconnect security within a multi-chip integrated circuit package
JPH10145773A (en) * 1996-11-14 1998-05-29 Toshiba Corp Method for ciphering animation data, computer system applying the method and dynamic image data encoding/ decoding device
US6192131B1 (en) * 1996-11-15 2001-02-20 Securities Industry Automation Corporation Enabling business transactions in computer networks
US6016348A (en) * 1996-11-27 2000-01-18 Thomson Consumer Electronics, Inc. Decoding system and data format for processing and storing encrypted broadcast, cable or satellite video data
US6021201A (en) * 1997-01-07 2000-02-01 Intel Corporation Method and apparatus for integrated ciphering and hashing
US6201927B1 (en) * 1997-02-18 2001-03-13 Mary Lafuze Comer Trick play reproduction of MPEG encoded signals
US6526144B2 (en) * 1997-06-02 2003-02-25 Texas Instruments Incorporated Data protection system
US6011849A (en) * 1997-08-28 2000-01-04 Syndata Technologies, Inc. Encryption-based selection system for steganography
US6505032B1 (en) * 2000-05-26 2003-01-07 Xtremespectrum, Inc. Carrierless ultra wideband wireless signals for conveying application data
US6064676A (en) * 1998-01-14 2000-05-16 Skystream Corporation Remultipelxer cache architecture and memory organization for storing video program bearing transport packets and descriptors
EP0936774A1 (en) * 1998-02-13 1999-08-18 CANAL+ Société Anonyme Recording of scrambled digital data
US6510554B1 (en) * 1998-04-27 2003-01-21 Diva Systems Corporation Method for generating information sub-streams for FF/REW applications
US6189096B1 (en) * 1998-05-06 2001-02-13 Kyberpass Corporation User authentification using a virtual private key
EP1034656A2 (en) * 1998-06-11 2000-09-13 Koninklijke Philips Electronics N.V. Trick play signal generation for a digital video recorder
US6529526B1 (en) * 1998-07-13 2003-03-04 Thomson Licensing S.A. System for processing programs and program content rating information derived from multiple broadcast sources
US6351538B1 (en) * 1998-10-06 2002-02-26 Lsi Logic Corporation Conditional access and copy protection scheme for MPEG encoded video data
JP2000125260A (en) * 1998-10-15 2000-04-28 Toshiba Corp Moving picture transmission server, moving picture transmission system using the server and moving picture transmission control method
US7089579B1 (en) * 1998-12-20 2006-08-08 Tvworks, Llc System for transporting MPEG video as streaming video in an HTML web page
US7162642B2 (en) * 1999-01-06 2007-01-09 Digital Video Express, L.P. Digital content distribution system and method
US6229895B1 (en) * 1999-03-12 2001-05-08 Diva Systems Corp. Secure distribution of video on-demand
US6697489B1 (en) * 1999-03-30 2004-02-24 Sony Corporation Method and apparatus for securing control words
US7194758B1 (en) * 1999-05-24 2007-03-20 Matsushita Electric Industrial Co., Ltd. Digital broadcast system and its component devices that provide services in accordance with a broadcast watched by viewers
US7336785B1 (en) * 1999-07-09 2008-02-26 Koninklijke Philips Electronics N.V. System and method for copy protecting transmitted information
US6697944B1 (en) * 1999-10-01 2004-02-24 Microsoft Corporation Digital content distribution, transmission and protection system and method, and portable device for use therewith
DE60034364D1 (en) * 1999-10-27 2007-05-24 Sedna Patent Services Llc MULTIPLE VIDEO DRIVES USING SLICE BASED CODING
US6678740B1 (en) * 2000-01-14 2004-01-13 Terayon Communication Systems, Inc. Process carried out by a gateway in a home network to receive video-on-demand and other requested programs and services
US6988238B1 (en) * 2000-01-24 2006-01-17 Ati Technologies, Inc. Method and system for handling errors and a system for receiving packet stream data
EP1134977A1 (en) * 2000-03-06 2001-09-19 Irdeto Access B.V. Method and system for providing copies of scrambled content with unique watermarks, and system for descrambling scrambled content
ATE271253T1 (en) * 2000-05-10 2004-07-15 Koninkl Philips Electronics Nv COPY PROTECTION SYSTEM
US6853728B1 (en) * 2000-07-21 2005-02-08 The Directv Group, Inc. Video on demand pay per view services with unmodified conditional access functionality
US7508454B1 (en) * 2000-11-16 2009-03-24 Smardtv Sa Digital television conditional access methods and apparatus for simultaneously handling multiple television programs
DE60119678T3 (en) * 2000-12-15 2010-09-16 Panasonic Corp., Kadoma Receiving device with a recording unit for recording an encrypted broadcasting signal and a broadcasting device for encrypting a signal to be broadcast, and associated methods
JP2002190798A (en) * 2000-12-20 2002-07-05 Nec Corp Ciphering device and deciphering device
US7158185B2 (en) * 2001-05-01 2007-01-02 Scientific-Atlanta, Inc. Method and apparatus for tagging media presentations with subscriber identification information
US7350082B2 (en) * 2001-06-06 2008-03-25 Sony Corporation Upgrading of encryption
US7421411B2 (en) * 2001-07-06 2008-09-02 Nokia Corporation Digital rights management in a mobile communications environment
US20030012286A1 (en) * 2001-07-10 2003-01-16 Motorola, Inc. Method and device for suspecting errors and recovering macroblock data in video coding
US6633692B2 (en) * 2001-07-31 2003-10-14 The National University Of Singapore High carrier injection optical waveguide switch
US7463737B2 (en) * 2001-08-15 2008-12-09 Digeo, Inc. System and method for conditional access key encryption
US7224797B2 (en) * 2001-08-17 2007-05-29 Koninklijke Philips Electronics N.V. System and method for hybrid conditional access for receivers of encrypted transmissions
WO2003017649A1 (en) * 2001-08-20 2003-02-27 Koninklijke Philips Electronics N.V. Image size extension
US20030046687A1 (en) * 2001-09-06 2003-03-06 Octiv, Inc. Techniques for manipulating programming breaks in streaming content
US6925180B2 (en) * 2001-09-27 2005-08-02 Sony Corporation PC card recorder
US20040037421A1 (en) * 2001-12-17 2004-02-26 Truman Michael Mead Parital encryption of assembled bitstreams
US7823174B2 (en) * 2002-01-02 2010-10-26 Sony Corporation Macro-block based content replacement by PID mapping
US7242773B2 (en) * 2002-09-09 2007-07-10 Sony Corporation Multiple partial encryption using retuning
KR100988435B1 (en) 2002-01-02 2010-10-18 소니 일렉트로닉스 인코포레이티드 Apparatus and method for decrypting signals
WO2003065724A1 (en) * 2002-01-02 2003-08-07 Sony Electronics, Inc. Decoding and decryption of partially encrypted information
US7039938B2 (en) * 2002-01-02 2006-05-02 Sony Corporation Selective encryption for video on demand
EP1470497A1 (en) * 2002-01-12 2004-10-27 Coretrust, Inc. Method and system for the information protection of digital content
US20040021764A1 (en) * 2002-01-28 2004-02-05 Be Here Corporation Visual teleconferencing apparatus
US20050015816A1 (en) * 2002-10-29 2005-01-20 Actv, Inc System and method of providing triggered event commands via digital program insertion splicing
US20040083177A1 (en) * 2002-10-29 2004-04-29 General Instrument Corporation Method and apparatus for pre-encrypting VOD material with a changing cryptographic key
US8572408B2 (en) * 2002-11-05 2013-10-29 Sony Corporation Digital rights management of a digital device
US7292692B2 (en) * 2003-03-25 2007-11-06 Sony Corporation Content scrambling with minimal impact on legacy devices
US6707696B1 (en) * 2003-05-15 2004-03-16 Broadcom Corporation Hacker-proof one time programmable memory
US20050036067A1 (en) * 2003-08-05 2005-02-17 Ryal Kim Annon Variable perspective view of video images
US6878289B2 (en) * 2003-08-13 2005-04-12 Truox, Inc. Method of reducing chemical oxygen demand in water
US20050066357A1 (en) * 2003-09-22 2005-03-24 Ryal Kim Annon Modifying content rating

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030026423A1 (en) * 2001-06-06 2003-02-06 Unger Robert Allan Critical packet partial encryption
US20030081776A1 (en) * 2001-06-06 2003-05-01 Candelore Brant L. Elementary stream partial encryption
US20030002854A1 (en) * 2001-06-29 2003-01-02 International Business Machines Corporation Systems, methods, and computer program products to facilitate efficient transmission and playback of digital information
US20030118243A1 (en) * 2001-09-18 2003-06-26 Ugur Sezer Largest magnitude indices selection for (run, level) encoding of a block coded picture
US20030077071A1 (en) * 2001-10-23 2003-04-24 Shu Lin Fast forward trick mode and reverse trick mode using an information file
US20030123664A1 (en) * 2002-01-02 2003-07-03 Pedlow Leo M. Encryption and content control in a digital broadcast system

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