JP2006501764A5 - - Google Patents

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Publication number
JP2006501764A5
JP2006501764A5 JP2004541559A JP2004541559A JP2006501764A5 JP 2006501764 A5 JP2006501764 A5 JP 2006501764A5 JP 2004541559 A JP2004541559 A JP 2004541559A JP 2004541559 A JP2004541559 A JP 2004541559A JP 2006501764 A5 JP2006501764 A5 JP 2006501764A5
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JP
Japan
Prior art keywords
key
packet
content
transport stream
encrypted
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.)
Granted
Application number
JP2004541559A
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English (en)
Japanese (ja)
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JP2006501764A (ja
JP4709548B2 (ja
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Publication date
Priority claimed from US10/262,465 external-priority patent/US7020287B2/en
Application filed filed Critical
Publication of JP2006501764A publication Critical patent/JP2006501764A/ja
Publication of JP2006501764A5 publication Critical patent/JP2006501764A5/ja
Application granted granted Critical
Publication of JP4709548B2 publication Critical patent/JP4709548B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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JP2004541559A 2002-09-30 2003-09-16 コンテンツ再生装置及びトリックモード再生システム Expired - Fee Related JP4709548B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/262,465 2002-09-30
US10/262,465 US7020287B2 (en) 2002-09-30 2002-09-30 Method and system for key insertion for stored encrypted content
PCT/US2003/029159 WO2004032410A1 (en) 2002-09-30 2003-09-16 Method and system for key insertion for stored encrypted content

Publications (3)

Publication Number Publication Date
JP2006501764A JP2006501764A (ja) 2006-01-12
JP2006501764A5 true JP2006501764A5 (enExample) 2006-11-02
JP4709548B2 JP4709548B2 (ja) 2011-06-22

Family

ID=32030224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004541559A Expired - Fee Related JP4709548B2 (ja) 2002-09-30 2003-09-16 コンテンツ再生装置及びトリックモード再生システム

Country Status (8)

Country Link
US (2) US7020287B2 (enExample)
EP (1) EP1547300B1 (enExample)
JP (1) JP4709548B2 (enExample)
KR (1) KR101013716B1 (enExample)
CN (1) CN100555932C (enExample)
AU (1) AU2003270707A1 (enExample)
CA (1) CA2497862C (enExample)
WO (1) WO2004032410A1 (enExample)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1447983B1 (en) * 2003-02-11 2009-12-30 Thomson Licensing Method of recording scrambled digital data, storage medium and method of reading such data
US6980650B2 (en) * 2003-10-27 2005-12-27 Nds Limited System for providing keys
CN1879343A (zh) * 2003-11-14 2006-12-13 松下电器产业株式会社 数据处理装置
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
US20050152553A1 (en) * 2004-01-14 2005-07-14 Takuya Kosugi Method of synchronizing dynamic decryption keys and matching content protected data in a real time environment
US20060018470A1 (en) * 2004-07-09 2006-01-26 Nokia Corporation Managing traffic keys during a multi-media session
US20060034321A1 (en) * 2004-07-09 2006-02-16 Nokia Corporation Method for receiving a time slice burst of data
US8379864B2 (en) * 2004-07-09 2013-02-19 Nokia Corporation Software plug-in framework to modify decryption methods in terminals
US20060031873A1 (en) * 2004-08-09 2006-02-09 Comcast Cable Holdings, Llc System and method for reduced hierarchy key management
US20060041741A1 (en) * 2004-08-23 2006-02-23 Nokia Corporation Systems and methods for IP level decryption
US20080015999A1 (en) * 2005-02-04 2008-01-17 Widevine Technologies, Inc. Securely ingesting encrypted content into content servers
EP1908284A2 (en) * 2005-04-26 2008-04-09 Koninklijke Philips Electronics N.V. A device for and a method of processing an encrypted data stream for trick play
US8165302B2 (en) * 2005-06-07 2012-04-24 Sony Corporation Key table and authorization table management
WO2007072242A1 (en) * 2005-12-23 2007-06-28 Koninklijke Philips Electronics N.V. A device for and a method of processing an encrypted data stream
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
JP2007201973A (ja) * 2006-01-30 2007-08-09 Kyocera Corp データ送受信システム、暗号化情報共有方法、データ送信装置、及びデータ受信装置
EP1999883A4 (en) 2006-03-14 2013-03-06 Divx Llc SCHEME FOR THE MANAGEMENT OF UNITED DIGITAL RIGHTS, INCLUDING TRUSTWORTHY SYSTEMS
EP1863285A1 (fr) * 2006-05-29 2007-12-05 Nagra France Sas Procédé de traitement de messages de contrôle d'accès
WO2008086313A1 (en) 2007-01-05 2008-07-17 Divx, Inc. Video distribution system including progressive playback
CN101325480B (zh) * 2007-06-13 2012-05-23 中兴通讯股份有限公司 基于复用子帧的加扰控制方法及装置
DE102007041145A1 (de) * 2007-08-30 2009-03-05 Siemens Enterprise Communications Gmbh & Co. Kg Verfahren zum Analysieren von gleichzeitig übertragenen, verschlüsselten Datenströmen
KR20100106327A (ko) 2007-11-16 2010-10-01 디브이엑스, 인크. 멀티미디어 파일을 위한 계층적 및 감소된 인덱스 구조
KR20090072510A (ko) * 2007-12-28 2009-07-02 삼성전자주식회사 디스플레이장치 및 그 제어방법
CA2782825C (en) 2009-12-04 2016-04-26 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
DE102010006434B4 (de) 2010-02-01 2011-09-22 Siemens Aktiengesellschaft Verfahren und Vorrichtung zur Produktion eines 99mTc-Reaktionsprodukts
US9247312B2 (en) 2011-01-05 2016-01-26 Sonic Ip, Inc. Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol
US8812662B2 (en) 2011-06-29 2014-08-19 Sonic Ip, Inc. Systems and methods for estimating available bandwidth and performing initial stream selection when streaming content
US9467708B2 (en) 2011-08-30 2016-10-11 Sonic Ip, Inc. Selection of resolutions for seamless resolution switching of multimedia content
CN103875248B (zh) 2011-08-30 2018-09-07 帝威视有限公司 用于编码和流处理通过使用多个最大比特率级别编码的视频的系统和方法
US8799647B2 (en) 2011-08-31 2014-08-05 Sonic Ip, Inc. Systems and methods for application identification
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
US8964977B2 (en) 2011-09-01 2015-02-24 Sonic Ip, Inc. Systems and methods for saving encoded media streamed using adaptive bitrate streaming
US8918908B2 (en) 2012-01-06 2014-12-23 Sonic Ip, Inc. Systems and methods for accessing digital content using electronic tickets and ticket tokens
US9936267B2 (en) 2012-08-31 2018-04-03 Divx Cf Holdings Llc System and method for decreasing an initial buffering period of an adaptive streaming system
US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
US9313510B2 (en) 2012-12-31 2016-04-12 Sonic Ip, Inc. Use of objective quality measures of streamed content to reduce streaming bandwidth
US9906785B2 (en) 2013-03-15 2018-02-27 Sonic Ip, Inc. Systems, methods, and media for transcoding video data according to encoding parameters indicated by received metadata
US10397292B2 (en) 2013-03-15 2019-08-27 Divx, Llc Systems, methods, and media for delivery of content
US9094737B2 (en) 2013-05-30 2015-07-28 Sonic Ip, Inc. Network video streaming with trick play based on separate trick play files
US9380099B2 (en) 2013-05-31 2016-06-28 Sonic Ip, Inc. Synchronizing multiple over the top streaming clients
US9100687B2 (en) 2013-05-31 2015-08-04 Sonic Ip, Inc. Playback synchronization across playback devices
US9386067B2 (en) 2013-12-30 2016-07-05 Sonic Ip, Inc. Systems and methods for playing adaptive bitrate streaming content by multicast
US9866878B2 (en) 2014-04-05 2018-01-09 Sonic Ip, Inc. Systems and methods for encoding and playing back video at different frame rates using enhancement layers
KR102306641B1 (ko) 2014-08-07 2021-09-30 디빅스, 엘엘씨 독립적으로 인코딩된 타일을 포함한 기본 비트스트림을 보호하는 시스템 및 방법
CN104244068B (zh) * 2014-09-04 2018-05-01 深圳市九洲电器有限公司 一种录制节目回放处理方法及系统
ES2746954T3 (es) 2015-01-06 2020-03-09 Divx Llc Sistemas y métodos para codificar y compartir contenido entre dispositivos
JP6588987B2 (ja) 2015-02-27 2019-10-09 ソニック アイピー, インコーポレイテッド ライブビデオエンコーディングおよびストリーミングにおけるフレーム複写およびフレーム拡張のためのシステムおよび方法
US10075292B2 (en) 2016-03-30 2018-09-11 Divx, Llc Systems and methods for quick start-up of playback
US10231001B2 (en) 2016-05-24 2019-03-12 Divx, Llc Systems and methods for providing audio content during trick-play playback
US10129574B2 (en) 2016-05-24 2018-11-13 Divx, Llc Systems and methods for providing variable speeds in a trick-play mode
US10148989B2 (en) 2016-06-15 2018-12-04 Divx, Llc Systems and methods for encoding video content
US12244660B2 (en) 2016-09-08 2025-03-04 Divx, Llc Systems and methods for adaptive buffering for digital video streaming
US10498795B2 (en) 2017-02-17 2019-12-03 Divx, Llc Systems and methods for adaptive switching between multiple content delivery networks during adaptive bitrate streaming
EP3942437B1 (en) 2019-03-21 2024-01-10 DivX, LLC Systems and methods for multimedia swarms
CN115994366A (zh) * 2021-10-20 2023-04-21 华为技术有限公司 网络设备和数据解密方法

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07288798A (ja) * 1994-04-15 1995-10-31 Mitsubishi Electric Corp ディジタル録画記録再生装置及び再生装置並びにtv受信装置
US6157719A (en) * 1995-04-03 2000-12-05 Scientific-Atlanta, Inc. Conditional access system
US6480664B1 (en) * 1995-06-07 2002-11-12 Hou-Chun Ting Trick mode VTR which generates trick play data from a stream of images containing intra-pictures and predictive pictures and selects specific DCT coefficients for intra-pictures
JPH08340541A (ja) * 1995-06-12 1996-12-24 Sony Corp デジタルデータの伝送方法、伝送装置、記録方法、記録装置、再生方法、再生装置、記録再生方法及び記録再生装置
US5825876A (en) 1995-12-04 1998-10-20 Northern Telecom Time based availability to content of a storage medium
JP3093678B2 (ja) * 1996-06-28 2000-10-03 株式会社東芝 暗号化方法、復号方法、記録再生装置、復号装置、復号化ユニット装置及び記録媒体の製造方法
EP0858184A3 (en) 1997-02-07 1999-09-01 Nds Limited Digital recording protection system
JP3604264B2 (ja) 1997-10-06 2004-12-22 株式会社東芝 発信者用端末装置及びネットワークシステム並びに発信情報監視方法
US6633564B1 (en) * 1999-09-22 2003-10-14 Nortel Networks Limited Method and apparatus for inserting packets into a data stream
US20010042048A1 (en) * 2000-05-15 2001-11-15 The Regents Of The University Of California Method and apparatus for electronically distributing audio recordings
US8140859B1 (en) * 2000-07-21 2012-03-20 The Directv Group, Inc. Secure storage and replay of media programs using a hard-paired receiver and storage device
US6959090B1 (en) * 2000-11-20 2005-10-25 Nokia Corporation Content Protection scheme for a digital recording device
BRPI0204473B1 (pt) * 2001-03-12 2017-11-28 Koninklijke Philips N. V. A reproductive device for reproducing a content item stored in a storage media

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