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
• • 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
  • G11B20/00884—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm
• • 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
  • H04N21/23892—Multiplex stream processing, e.g. multiplex stream encrypting involving embedding information at multiplex stream level, e.g. embedding a watermark at packet level
• • 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]
  • H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
  • H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
  • H04N21/835—Generation of protective data, e.g. certificates
  • H04N21/8358—Generation of protective data, e.g. certificates involving watermark
• • 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
• • 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
  • G11B20/00007—Time or data compression or expansion
  • G11B2020/00014—Time or data compression or expansion the compressed signal being an audio signal
  • G11B2020/00065—Sigma-delta audio encoding
• • 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
  • G11B20/10—Digital recording or reproducing
  • G11B20/12—Formatting, e.g. arrangement of data block or words on the record carriers
  • G11B2020/1264—Formatting, e.g. arrangement of data block or words on the record carriers wherein the formatting concerns a specific kind of data
  • G11B2020/1265—Control data, system data or management information, i.e. data used to access or process user data
  • G11B2020/1287—Synchronisation pattern, e.g. VCO fields
• • 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
  • H04N2005/91307—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal
  • H04N2005/91335—Television signal processing therefor for scrambling ; for copy protection by adding a copy protection signal to the video signal the copy protection signal being a watermark

Landscapes

• Engineering & Computer Science (AREA)
• Signal Processing (AREA)
• Computer Security & Cryptography (AREA)
• Multimedia (AREA)
• Signal Processing For Digital Recording And Reproducing (AREA)
• Compression, Expansion, Code Conversion, And Decoders (AREA)
• Editing Of Facsimile Originals (AREA)
• Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
• Image Processing (AREA)
• Television Systems (AREA)

Applications Claiming Priority (1)

Publications (1)

Family

ID=8234277

Family Applications (1)

Country Status (15)

Families Citing this family (34)

Family Cites Families (7)

• 1999
  • 1999-10-03 ID IDW20001239A patent/ID25532A/id unknown
  • 1999-10-06 CN CNB998032131A patent/CN1134159C/zh not_active Expired - Fee Related
  • 1999-10-06 KR KR1020007007204A patent/KR100583356B1/ko not_active IP Right Cessation
  • 1999-10-06 PL PL99341432A patent/PL193714B1/pl unknown
  • 1999-10-06 WO PCT/EP1999/007805 patent/WO2000026908A1/en not_active Application Discontinuation
  • 1999-10-06 JP JP2000580206A patent/JP2002529875A/ja not_active Withdrawn
  • 1999-10-06 HU HU0200612A patent/HUP0200612A2/hu unknown
  • 1999-10-06 EP EP99952581A patent/EP1046164B1/en not_active Expired - Lifetime
  • 1999-10-06 RU RU2000120190/28A patent/RU2239243C2/ru not_active IP Right Cessation
  • 1999-10-06 DE DE69925242T patent/DE69925242T2/de not_active Expired - Fee Related
  • 1999-10-06 CA CA002316996A patent/CA2316996A1/en not_active Abandoned
  • 1999-10-06 BR BR9907087-1A patent/BR9907087A/pt not_active IP Right Cessation
  • 1999-10-06 AU AU64728/99A patent/AU6472899A/en not_active Abandoned
  • 1999-10-21 TW TW088118179A patent/TW466473B/zh not_active IP Right Cessation
  • 1999-10-26 US US09/426,519 patent/US6507299B1/en not_active Expired - Fee Related

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