JP4322695B2 - スクランブルデジタルデータを記録する方法、記録媒体及びかかるデータの読み取り方法 - Google Patents
スクランブルデジタルデータを記録する方法、記録媒体及びかかるデータの読み取り方法 Download PDFInfo
- Publication number
- JP4322695B2 JP4322695B2 JP2004033668A JP2004033668A JP4322695B2 JP 4322695 B2 JP4322695 B2 JP 4322695B2 JP 2004033668 A JP2004033668 A JP 2004033668A JP 2004033668 A JP2004033668 A JP 2004033668A JP 4322695 B2 JP4322695 B2 JP 4322695B2
- Authority
- JP
- Japan
- Prior art keywords
- data
- ecm
- packet
- control packet
- key
- 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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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]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/41—Structure of client; Structure of client peripherals
- H04N21/4104—Peripherals receiving signals from specially adapted client devices
- H04N21/4135—Peripherals receiving signals from specially adapted client devices external recorder
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B5/00—Electrically-operated educational appliances
- G09B5/04—Electrically-operated educational appliances with audible presentation of the material to be studied
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B15/00—Driving, starting or stopping record carriers of filamentary or web form; Driving both such record carriers and heads; Guiding such record carriers or containers therefor; Control thereof; Control of operating function
- G11B15/02—Control of operating function, e.g. switching from recording to reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/10—Indexing; Addressing; Timing or synchronising; Measuring tape travel
- G11B27/102—Programmed access in sequence to addressed parts of tracks of operating record carriers
- G11B27/105—Programmed access in sequence to addressed parts of tracks of operating record carriers of operating discs
-
- 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
- H04N21/43—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 or rendering scenes according to encoded video stream scene graphs
- H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream or rendering scenes according to encoded video stream scene graphs involving video stream decryption
-
- 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
- H04N21/4623—Processing of entitlement messages, e.g. ECM [Entitlement Control Message] or EMM [Entitlement Management Message]
-
- 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
- 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
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2545—CDs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
-
- 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
- H04N5/78—Television signal recording using magnetic recording
- H04N5/781—Television signal recording using magnetic recording on disks or drums
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/78—Television signal recording using magnetic recording
- H04N5/782—Television signal recording using magnetic recording on tape
- H04N5/783—Adaptations for reproducing at a rate different from the recording rate
-
- 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)
- Signal Processing (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Databases & Information Systems (AREA)
- Educational Administration (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Educational Technology (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR0301857 | 2003-02-11 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2004247036A JP2004247036A (ja) | 2004-09-02 |
| JP2004247036A5 JP2004247036A5 (https=) | 2007-03-29 |
| JP4322695B2 true JP4322695B2 (ja) | 2009-09-02 |
Family
ID=32669378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004033668A Expired - Fee Related JP4322695B2 (ja) | 2003-02-11 | 2004-02-10 | スクランブルデジタルデータを記録する方法、記録媒体及びかかるデータの読み取り方法 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US7869596B2 (https=) |
| EP (1) | EP1447983B1 (https=) |
| JP (1) | JP4322695B2 (https=) |
| KR (1) | KR101004248B1 (https=) |
| CN (1) | CN100477771C (https=) |
| DE (1) | DE602004024839D1 (https=) |
| MY (1) | MY140600A (https=) |
| TW (1) | TWI332800B (https=) |
Families Citing this family (42)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602004024839D1 (de) | 2003-02-11 | 2010-02-11 | Thomson Licensing | Verfahren zum Aufnehmen verschlüsselter Daten, Speichermedium und Verfahren zur Wiedergabe solcher Daten |
| JP4162629B2 (ja) * | 2004-06-01 | 2008-10-08 | 三洋電機株式会社 | デコーダ装置 |
| EP1742473A1 (fr) * | 2005-07-06 | 2007-01-10 | Nagra France Sarl | Méthode de transmission d'un flux de données numériques et de messages de contrôle associés audit flux à destination d'équipements mobiles |
| EP1742475A1 (fr) * | 2005-07-07 | 2007-01-10 | Nagravision S.A. | Méthode de contrôle d'accès à des données chiffrées |
| KR20070058288A (ko) * | 2005-12-02 | 2007-06-08 | 삼성전자주식회사 | AV(Audio Visul)스트림을 디스크램블하는방법 및 장치 |
| EP1850593A1 (fr) * | 2006-04-27 | 2007-10-31 | Nagravision S.A. | Procédé de génération de paquets à destination d'au moins un récepteur mobile |
| EP1863285A1 (fr) * | 2006-05-29 | 2007-12-05 | Nagra France Sas | Procédé de traitement de messages de contrôle d'accès |
| US9277295B2 (en) | 2006-06-16 | 2016-03-01 | Cisco Technology, Inc. | Securing media content using interchangeable encryption key |
| US9137480B2 (en) | 2006-06-30 | 2015-09-15 | Cisco Technology, Inc. | Secure escrow and recovery of media device content keys |
| US9171569B2 (en) * | 2007-04-27 | 2015-10-27 | Google Technology Holdings LLC | Method and apparatus for assisting with content key changes |
| US20080270311A1 (en) * | 2007-04-27 | 2008-10-30 | General Instrument Corporation | Method and Apparatus for Composing a Digital Rights Management License Format |
| 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 |
| US8108680B2 (en) | 2007-07-23 | 2012-01-31 | Murray Mark R | Preventing unauthorized poaching of set top box assets |
| US8385545B2 (en) | 2007-07-27 | 2013-02-26 | Howard G. Pinder | Secure content key distribution using multiple distinct methods |
| US7949133B2 (en) * | 2007-09-26 | 2011-05-24 | Pinder Howard G | Controlled cryptoperiod timing to reduce decoder processing load |
| US8837908B2 (en) * | 2009-01-06 | 2014-09-16 | Cyberlink Corp. | Systems and methods for performing secure playback of media content |
| US8554051B2 (en) | 2009-01-07 | 2013-10-08 | Cisco Technology, Inc. | Data stream storage system |
| EP2207340A1 (en) | 2009-01-12 | 2010-07-14 | Thomson Licensing | Method and device for reception of control words, and device for transmission thereof |
| JP4731619B2 (ja) * | 2009-09-18 | 2011-07-27 | 三菱電機株式会社 | 蓄積再生装置 |
| BR112012014465B1 (pt) * | 2009-12-14 | 2021-09-28 | Sumitomo Electric Industries, Ltd. | Dispositivo de recebimento de conteúdo, método de recebimento de conteúdo e meio legível por computador |
| GB2481573A (en) * | 2010-06-15 | 2012-01-04 | Nds Ltd | Splicng of encoded media content |
| JP4954337B2 (ja) * | 2011-03-30 | 2012-06-13 | 三菱電機株式会社 | 蓄積再生装置 |
| US9503785B2 (en) * | 2011-06-22 | 2016-11-22 | Nagrastar, Llc | Anti-splitter violation conditional key change |
| US9357159B2 (en) | 2011-08-23 | 2016-05-31 | Echostar Technologies L.L.C. | Grouping and presenting content |
| US8437622B2 (en) | 2011-08-23 | 2013-05-07 | Echostar Technologies L.L.C. | Altering presentation of received content based on use of closed captioning elements as reference locations |
| US8627349B2 (en) | 2011-08-23 | 2014-01-07 | Echostar Technologies L.L.C. | User interface |
| US9621946B2 (en) | 2011-08-23 | 2017-04-11 | Echostar Technologies L.L.C. | Frequency content sort |
| US8447170B2 (en) | 2011-08-23 | 2013-05-21 | Echostar Technologies L.L.C. | Automatically recording supplemental content |
| US9185331B2 (en) | 2011-08-23 | 2015-11-10 | Echostar Technologies L.L.C. | Storing multiple instances of content |
| US8660412B2 (en) | 2011-08-23 | 2014-02-25 | Echostar Technologies L.L.C. | System and method for dynamically adjusting recording parameters |
| JP5389959B2 (ja) * | 2012-01-26 | 2014-01-15 | 三菱電機株式会社 | 蓄積再生装置及びその方法 |
| US8819722B2 (en) | 2012-03-15 | 2014-08-26 | Echostar Technologies L.L.C. | Smartcard encryption cycling |
| US8959544B2 (en) * | 2012-03-15 | 2015-02-17 | Echostar Technologies L.L.C. | Descrambling of multiple television channels |
| US9489981B2 (en) | 2012-03-15 | 2016-11-08 | Echostar Technologies L.L.C. | Successive initialization of television channel recording |
| US8793724B2 (en) | 2012-11-08 | 2014-07-29 | Eldon Technology Limited | Image domain compliance |
| US9392319B2 (en) | 2013-03-15 | 2016-07-12 | Nagrastar Llc | Secure device profiling countermeasures |
| US9628838B2 (en) | 2013-10-01 | 2017-04-18 | Echostar Technologies L.L.C. | Satellite-based content targeting |
| 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 |
| US9756378B2 (en) | 2015-01-07 | 2017-09-05 | Echostar Technologies L.L.C. | Single file PVR per service ID |
| US10652608B2 (en) * | 2015-09-15 | 2020-05-12 | Sony Corporation | Receiving apparatus and method, and transmitting apparatus and method |
| JP6596363B2 (ja) * | 2016-03-08 | 2019-10-23 | 日本放送協会 | 時刻マッピング情報生成装置、同期再生システム、時刻マッピング情報生成方法及び時刻マッピング情報生成プログラム |
| CN113721074A (zh) * | 2020-11-12 | 2021-11-30 | 王沛 | 新型智能电能表 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3585679B2 (ja) | 1996-12-04 | 2004-11-04 | 株式会社東芝 | 放送局装置および受信端末装置 |
| JP2000115091A (ja) | 1998-10-07 | 2000-04-21 | Nippon Hoso Kyokai <Nhk> | 情報記録装置および情報再生装置 |
| JP3774579B2 (ja) | 1998-11-18 | 2006-05-17 | 松下電器産業株式会社 | Avビットストリーム記録再生システム |
| JP2000173181A (ja) | 1998-12-04 | 2000-06-23 | Sony Corp | データ記録装置及び出力装置、データ出力システム、データ記録方法及び出力方法、並びにデータ記録及び出力方法 |
| FR2801464B1 (fr) | 1999-11-22 | 2001-12-28 | Thomson Multimedia Sa | Procede d'enregistrement d'un flux mpeg embrouille |
| EP1215905B2 (en) * | 2000-12-15 | 2010-04-21 | Panasonic Corporation | Reception apparatus having a storage unit for recording a scrambled broadcast signal and broadcast apparatus for scrambling a signal to be broadcast, and associated methods |
| JP4012398B2 (ja) | 2000-12-15 | 2007-11-21 | 松下電器産業株式会社 | 蓄積型サービスを提供する放送装置及び受信装置 |
| US6662198B2 (en) * | 2001-08-30 | 2003-12-09 | Zoteca Inc. | Method and system for asynchronous transmission, backup, distribution of data and file sharing |
| US20050201556A1 (en) * | 2002-06-12 | 2005-09-15 | Koninklijke Philipselectronics N.V. | Trick play of encrypted data in a conditional access signal |
| US7796503B2 (en) * | 2002-09-03 | 2010-09-14 | Fujitsu Limited | Fault tolerant network routing |
| US7020287B2 (en) * | 2002-09-30 | 2006-03-28 | Sony Corporation | Method and system for key insertion for stored encrypted content |
| US20040083177A1 (en) * | 2002-10-29 | 2004-04-29 | General Instrument Corporation | Method and apparatus for pre-encrypting VOD material with a changing cryptographic key |
| DE602004024839D1 (de) | 2003-02-11 | 2010-02-11 | Thomson Licensing | Verfahren zum Aufnehmen verschlüsselter Daten, Speichermedium und Verfahren zur Wiedergabe solcher Daten |
-
2004
- 2004-01-22 DE DE602004024839T patent/DE602004024839D1/de not_active Expired - Lifetime
- 2004-01-22 EP EP04100220A patent/EP1447983B1/en not_active Expired - Lifetime
- 2004-02-06 TW TW093102707A patent/TWI332800B/zh not_active IP Right Cessation
- 2004-02-10 MY MYPI20040404A patent/MY140600A/en unknown
- 2004-02-10 JP JP2004033668A patent/JP4322695B2/ja not_active Expired - Fee Related
- 2004-02-11 CN CNB2004100053683A patent/CN100477771C/zh not_active Expired - Fee Related
- 2004-02-11 US US10/776,560 patent/US7869596B2/en not_active Expired - Fee Related
- 2004-02-11 KR KR1020040008895A patent/KR101004248B1/ko not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| EP1447983B1 (en) | 2009-12-30 |
| KR20040073347A (ko) | 2004-08-19 |
| DE602004024839D1 (de) | 2010-02-11 |
| KR101004248B1 (ko) | 2010-12-24 |
| JP2004247036A (ja) | 2004-09-02 |
| TWI332800B (en) | 2010-11-01 |
| CN100477771C (zh) | 2009-04-08 |
| MY140600A (en) | 2009-12-31 |
| US7869596B2 (en) | 2011-01-11 |
| EP1447983A1 (en) | 2004-08-18 |
| US20050105886A1 (en) | 2005-05-19 |
| CN1522063A (zh) | 2004-08-18 |
| TW200423743A (en) | 2004-11-01 |
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