DE60138860D1 - Subliminal eingebetteter Schlüssel für Videosynchronisation - Google Patents

Subliminal eingebetteter Schlüssel für Videosynchronisation

Info

Publication number
DE60138860D1
DE60138860D1 DE60138860T DE60138860T DE60138860D1 DE 60138860 D1 DE60138860 D1 DE 60138860D1 DE 60138860 T DE60138860 T DE 60138860T DE 60138860 T DE60138860 T DE 60138860T DE 60138860 D1 DE60138860 D1 DE 60138860D1
Authority
DE
Germany
Prior art keywords
subliminal
video synchronization
embedded key
embedded
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 - Lifetime
Application number
DE60138860T
Other languages
English (en)
Inventor
Ajit M Limaye
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tektronix Inc
Original Assignee
Tektronix Inc
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 Tektronix Inc filed Critical Tektronix Inc
Application granted granted Critical
Publication of DE60138860D1 publication Critical patent/DE60138860D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04N21/23—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
  • Television Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Signal Processing For Digital Recording And Reproducing (AREA)
DE60138860T 2000-11-06 2001-10-16 Subliminal eingebetteter Schlüssel für Videosynchronisation Expired - Lifetime DE60138860D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/707,520 US6642966B1 (en) 2000-11-06 2000-11-06 Subliminally embedded keys in video for synchronization

Publications (1)

Publication Number Publication Date
DE60138860D1 true DE60138860D1 (de) 2009-07-16

Family

ID=24842041

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60138860T Expired - Lifetime DE60138860D1 (de) 2000-11-06 2001-10-16 Subliminal eingebetteter Schlüssel für Videosynchronisation

Country Status (6)

Country Link
US (1) US6642966B1 (de)
EP (1) EP1204277B1 (de)
JP (1) JP4076754B2 (de)
CN (1) CN1283104C (de)
DE (1) DE60138860D1 (de)
ES (1) ES2328222T3 (de)

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Also Published As

Publication number Publication date
ES2328222T3 (es) 2009-11-11
CN1283104C (zh) 2006-11-01
EP1204277B1 (de) 2009-06-03
US6642966B1 (en) 2003-11-04
JP4076754B2 (ja) 2008-04-16
EP1204277A3 (de) 2003-06-04
CN1355652A (zh) 2002-06-26
JP2002199360A (ja) 2002-07-12
EP1204277A2 (de) 2002-05-08

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Legal Events

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8364 No opposition during term of opposition