GB0412606D0 - Obscuring data in an audiovisual product - Google Patents
Obscuring data in an audiovisual productInfo
- Publication number
- GB0412606D0 GB0412606D0 GB0412606A GB0412606A GB0412606D0 GB 0412606 D0 GB0412606 D0 GB 0412606D0 GB 0412606 A GB0412606 A GB 0412606A GB 0412606 A GB0412606 A GB 0412606A GB 0412606 D0 GB0412606 D0 GB 0412606D0
- Authority
- GB
- United Kingdom
- Prior art keywords
- audiovisual product
- obscuring data
- obscuring
- data
- audiovisual
- 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
Links
Classifications
-
- 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
- G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
- G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
- G11B20/00942—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches said intentional errors occurring due to an invalid playback path or program chain
-
- 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
- G11B20/00137—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users
- G11B20/00152—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to contents recorded on or reproduced from a record carrier to authorised users involving a password
-
- 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
- G11B20/00166—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which result in a restriction to authorised contents recorded on or reproduced from a record carrier, e.g. music or software
-
- 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
- G11B20/0092—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors
- G11B20/00927—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving measures which are linked to media defects or read/write errors wherein said defects or errors are generated on purpose, e.g. intended scratches
-
- 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
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
-
- 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
- G11B27/02—Editing, e.g. varying the order of information signals recorded on, or reproduced from, record carriers
- G11B27/031—Electronic editing of digitised analogue information signals, e.g. audio or video signals
- G11B27/034—Electronic editing of digitised analogue information signals, e.g. audio or video signals on discs
-
- 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
-
- 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
- G11B27/34—Indicating arrangements
-
- 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
- G11B2220/21—Disc-shaped record carriers characterised in that the disc is of read-only, rewritable, or recordable type
- G11B2220/213—Read-only discs
-
- 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
- H04N5/84—Television signal recording using optical recording
- H04N5/85—Television signal recording using optical recording on discs or drums
-
- 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
-
- 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
- H04N9/8047—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 using transform coding
-
- 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
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
-
- 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
- H04N9/82—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only
- H04N9/8205—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal
- H04N9/8227—Transformation of the television signal for recording, e.g. modulation, frequency changing; Inverse transformation for playback the individual colour picture signal components being recorded simultaneously only involving the multiplexing of an additional signal and the colour video signal the additional signal being at least another television signal
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB0312874.1A GB0312874D0 (en) | 2003-06-05 | 2003-06-05 | Controlling access to an audiovisual product |
US48032203P | 2003-06-20 | 2003-06-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
GB0412606D0 true GB0412606D0 (en) | 2004-07-07 |
GB2402543A GB2402543A (en) | 2004-12-08 |
GB2402543B GB2402543B (en) | 2006-06-21 |
Family
ID=32715177
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0412603A Expired - Fee Related GB2402542B (en) | 2003-06-05 | 2004-06-07 | Unlocking an audiovisual product |
GB0412606A Active GB2402543B (en) | 2003-06-05 | 2004-06-07 | Obscuring data in an audiovisual product |
GB0412601A Expired - Fee Related GB2402541B (en) | 2003-06-05 | 2004-06-07 | Scrambled video streams in an audiovisual product |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0412603A Expired - Fee Related GB2402542B (en) | 2003-06-05 | 2004-06-07 | Unlocking an audiovisual product |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB0412601A Expired - Fee Related GB2402541B (en) | 2003-06-05 | 2004-06-07 | Scrambled video streams in an audiovisual product |
Country Status (4)
Country | Link |
---|---|
EP (3) | EP1634291A1 (en) |
JP (3) | JP4680892B2 (en) |
GB (3) | GB2402542B (en) |
WO (3) | WO2004109678A1 (en) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1914748A3 (en) * | 2003-10-31 | 2013-12-11 | Sony DADC Austria AG | Dvd copy protection |
US8059937B2 (en) * | 2004-02-19 | 2011-11-15 | Rovi Solutions Corporation | Relating to the copy protection of optical discs |
GB0403719D0 (en) | 2004-02-19 | 2004-03-24 | Macrovision Europ Ltd | Improvements in or relating to the defeat of the copy protection of optical discs |
EP1738582B1 (en) | 2004-04-22 | 2018-06-06 | Technicolor, Inc. | Context dependent multi-angle navigation technique for digital versatile discs |
US7706661B2 (en) * | 2004-05-19 | 2010-04-27 | Macrovision Corporation | Copy protection of optical discs using redundant control data |
GB2420438A (en) * | 2004-11-18 | 2006-05-24 | Zootech Ltd | Remote controller and access control to restricted audiovisual content |
US9167220B2 (en) | 2005-04-26 | 2015-10-20 | Thomson Licensing | Synchronized stream packing |
US7944792B2 (en) | 2005-09-28 | 2011-05-17 | Pioneer Corporation | Information recording medium, data structure, and recording apparatus |
FR2894349B1 (en) | 2005-12-01 | 2008-10-17 | Cyril Bonnan | DEVICE FOR LIMITING DATA ACCESS OF AUDIO, VIDEO, AUDIO VIDEO AND MULTIMEDIA MEDIA TO A CONTROL PART OF USERS |
US8620145B2 (en) * | 2006-09-06 | 2013-12-31 | Corel Corporation, Inc. | Methods, system and mediums for use in protecting content |
GB2445590A (en) * | 2007-01-12 | 2008-07-16 | Zootech Ltd | Copy protected media having navigation selection logic and read barriers |
ES2288432B1 (en) * | 2007-02-15 | 2009-04-01 | Sonopress Ibermemory S.A. | RECORDING PROCEDURE |
FR2913522A1 (en) * | 2007-03-06 | 2008-09-12 | Vincent Lorphelin | DVD A ACCESS CONTROL. |
US8695103B2 (en) * | 2007-03-07 | 2014-04-08 | Rovi Solutions Corporation | Apparatus for and a method of copy-protecting a content carrying recording medium |
GB2457482B (en) * | 2008-02-14 | 2012-10-03 | Fortium Technologys Ltd | Copy protection system for optical discs |
EP2254120A1 (en) * | 2009-05-20 | 2010-11-24 | Sony DADC Austria AG | Method for copy protection |
US8717857B2 (en) | 2009-05-20 | 2014-05-06 | Sony Dadc Austria Ag | Method for copy protection |
EP2254119B1 (en) * | 2009-05-20 | 2019-03-13 | Sony DADC Austria AG | Method for copy protection |
US9263085B2 (en) | 2009-05-20 | 2016-02-16 | Sony Dadc Austria Ag | Method for copy protection |
EP2254116A1 (en) * | 2009-05-20 | 2010-11-24 | Sony DADC Austria AG | Method for copy protection |
CN110267082B (en) * | 2019-06-03 | 2020-05-05 | 李少锋 | Playing control method and system for automatically switching audio and video according to language minimum unit |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1223333A (en) * | 1983-07-29 | 1987-06-23 | Yoshiyuki Ota | Video signal processing apparatus |
US5400319A (en) * | 1993-10-06 | 1995-03-21 | Digital Audio Disc Corporation | CD-ROM with machine-readable I.D. code |
DE69319353T3 (en) * | 1993-10-29 | 2001-06-13 | Toshiba Kawasaki Kk | RECORDING MEDIUM, PLAYBACK METHOD AND PLAYBACK FOR MULTIPLE SCENES |
ATE206264T1 (en) * | 1993-10-29 | 2001-10-15 | Time Warner Entertainm Co Lp | METHOD FOR CONTROLLING PLAYBACK OF SEVERAL CINEMA FILMS STORED ON AN OPTICAL DISC |
DE19503529A1 (en) * | 1995-02-03 | 1996-08-14 | Inst Rundfunktechnik Gmbh | Method for transmitting or storing a data stream from digitized, coded image, sound and / or data signals |
TW305043B (en) * | 1995-09-29 | 1997-05-11 | Matsushita Electric Ind Co Ltd | |
EP0769780B1 (en) * | 1995-10-18 | 2003-01-29 | Matsushita Electric Industrial Co., Ltd. | Information recording device and information output device |
JPH1131357A (en) * | 1997-07-08 | 1999-02-02 | Pioneer Electron Corp | Information data recording method |
JPH11298878A (en) * | 1998-04-08 | 1999-10-29 | Nec Corp | Image scrambling method and device therefor |
US6694090B1 (en) * | 1998-07-20 | 2004-02-17 | Thomson Licensing S.A. | Method and apparatus for dynamically overriding a ratings limit during playback of a digital program |
US6385388B1 (en) * | 1998-07-20 | 2002-05-07 | Thomson Licensing S.A. | Digital video apparatus user interface |
KR100274399B1 (en) * | 1998-08-22 | 2000-12-15 | 구자홍 | How to restrict viewing contents of video player by password |
EP0984346A1 (en) * | 1998-09-02 | 2000-03-08 | Hitachi Europe Limited | Copy protection apparatus and method |
JP2001167517A (en) * | 1999-12-08 | 2001-06-22 | Sanyo Electric Co Ltd | Optical disk reproducing device |
US7305088B2 (en) * | 2000-03-03 | 2007-12-04 | Yamaha Corporation | Video distribution playback method, apparatus to be disposed on video distribution end, apparatus to be disposed on video playback end, computer readable medium, and movie distribution method |
JP2001268510A (en) * | 2000-03-15 | 2001-09-28 | Sony Corp | Device and method for reproducing information and recording medium |
US7062046B2 (en) * | 2001-01-23 | 2006-06-13 | Matsushita Electric Industrial Co., Ltd. | Method and system for tracing an analog copy of a digital work to a unique digital copy and a particular digital player |
KR100406630B1 (en) * | 2001-03-13 | 2003-11-20 | 엘지전자 주식회사 | Method for recording and reproducing a demo data, and medium thereof |
JP2002314929A (en) * | 2001-04-10 | 2002-10-25 | Victor Co Of Japan Ltd | Method of recording and reproducing video signal, video signal recorder, reproducing device and recording medium thereof |
KR20030006533A (en) * | 2001-07-13 | 2003-01-23 | 삼성전자 주식회사 | Method and apparatus for controlling a reproduction restriction level on the video reproduction system |
HU0104183D0 (en) * | 2001-10-09 | 2001-12-28 | Optilink Ab | Method and apparatus for the engryption of data |
-
2004
- 2004-06-07 JP JP2006508396A patent/JP4680892B2/en not_active Expired - Fee Related
- 2004-06-07 EP EP04736223A patent/EP1634291A1/en not_active Withdrawn
- 2004-06-07 WO PCT/GB2004/002388 patent/WO2004109678A1/en active Application Filing
- 2004-06-07 GB GB0412603A patent/GB2402542B/en not_active Expired - Fee Related
- 2004-06-07 WO PCT/GB2004/002416 patent/WO2004109680A1/en active Application Filing
- 2004-06-07 JP JP2006508401A patent/JP4542089B2/en not_active Expired - Fee Related
- 2004-06-07 GB GB0412606A patent/GB2402543B/en active Active
- 2004-06-07 WO PCT/GB2004/002394 patent/WO2004109679A1/en active Application Filing
- 2004-06-07 EP EP04736213A patent/EP1634289A1/en not_active Withdrawn
- 2004-06-07 EP EP04736214A patent/EP1634290A1/en not_active Withdrawn
- 2004-06-07 GB GB0412601A patent/GB2402541B/en not_active Expired - Fee Related
-
2010
- 2010-01-08 JP JP2010002788A patent/JP2010123247A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
JP2007527588A (en) | 2007-09-27 |
JP4542089B2 (en) | 2010-09-08 |
EP1634289A1 (en) | 2006-03-15 |
EP1634290A1 (en) | 2006-03-15 |
WO2004109679A1 (en) | 2004-12-16 |
WO2004109680A1 (en) | 2004-12-16 |
GB2402542A (en) | 2004-12-08 |
GB2402542B (en) | 2008-01-02 |
GB0412603D0 (en) | 2004-07-07 |
GB0412601D0 (en) | 2004-07-07 |
GB2402543A (en) | 2004-12-08 |
JP2010123247A (en) | 2010-06-03 |
EP1634291A1 (en) | 2006-03-15 |
JP2006526864A (en) | 2006-11-24 |
GB2402541B (en) | 2008-01-02 |
WO2004109678A1 (en) | 2004-12-16 |
JP4680892B2 (en) | 2011-05-11 |
GB2402541A (en) | 2004-12-08 |
GB2402543B (en) | 2006-06-21 |
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