DE69727372T2 - System und verfahren zur erzeugung von trickwiedergabe-videodatenströmen aus einem komprimierten normalwiedergabe-videodatenstrom - Google Patents

System und verfahren zur erzeugung von trickwiedergabe-videodatenströmen aus einem komprimierten normalwiedergabe-videodatenstrom Download PDF

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Publication number
DE69727372T2
DE69727372T2 DE69727372T DE69727372T DE69727372T2 DE 69727372 T2 DE69727372 T2 DE 69727372T2 DE 69727372 T DE69727372 T DE 69727372T DE 69727372 T DE69727372 T DE 69727372T DE 69727372 T2 DE69727372 T2 DE 69727372T2
Authority
DE
Germany
Prior art keywords
bit stream
intra
frames
compressed
coded frames
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
DE69727372T
Other languages
German (de)
English (en)
Other versions
DE69727372D1 (de
Inventor
Joel Zdepski
Rama Kalluri
Howard Page
Wolf-Hasso Kaubisch
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.)
OpenTV Inc
Sun Microsystems Inc
Original Assignee
OpenTV Inc
Sun Microsystems 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 OpenTV Inc, Sun Microsystems Inc filed Critical OpenTV Inc
Publication of DE69727372D1 publication Critical patent/DE69727372D1/de
Application granted granted Critical
Publication of DE69727372T2 publication Critical patent/DE69727372T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/40—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using video transcoding, i.e. partial or full decoding of a coded input stream followed by re-encoding of the decoded output stream
    • 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
    • H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234381—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by altering the temporal resolution, e.g. decreasing the frame rate by frame skipping
    • 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
    • H04N21/2387—Stream processing in response to a playback request from an end-user, e.g. for trick-play
    • 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
    • H04N21/845—Structuring of content, e.g. decomposing content into time segments
    • H04N21/8455—Structuring of content, e.g. decomposing content into time segments involving pointers to the content, e.g. pointers to the I-frames of the video stream
    • 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
    • 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
    • H04N21/47—End-user applications
    • H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
    • H04N21/47202—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for requesting content on demand, e.g. video on demand
    • 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)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Television Signal Processing For Recording (AREA)
DE69727372T 1996-04-25 1997-04-25 System und verfahren zur erzeugung von trickwiedergabe-videodatenströmen aus einem komprimierten normalwiedergabe-videodatenstrom Expired - Lifetime DE69727372T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US639284 1996-04-25
US08/639,284 US6445738B1 (en) 1996-04-25 1996-04-25 System and method for creating trick play video streams from a compressed normal play video bitstream
PCT/US1997/006933 WO1997040623A1 (en) 1996-04-25 1997-04-25 System and method for creating trick play video streams from a compressed normal play video bitstream

Publications (2)

Publication Number Publication Date
DE69727372D1 DE69727372D1 (de) 2004-03-04
DE69727372T2 true DE69727372T2 (de) 2004-12-09

Family

ID=24563484

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69727372T Expired - Lifetime DE69727372T2 (de) 1996-04-25 1997-04-25 System und verfahren zur erzeugung von trickwiedergabe-videodatenströmen aus einem komprimierten normalwiedergabe-videodatenstrom

Country Status (7)

Country Link
US (1) US6445738B1 (enExample)
EP (1) EP0895694B1 (enExample)
JP (3) JP2002511982A (enExample)
CN (1) CN1203667C (enExample)
AU (1) AU2682297A (enExample)
DE (1) DE69727372T2 (enExample)
WO (1) WO1997040623A1 (enExample)

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DE69727372D1 (de) 2004-03-04
EP0895694A1 (en) 1999-02-10
JP2012142973A (ja) 2012-07-26
JP2008054330A (ja) 2008-03-06
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CN1220065A (zh) 1999-06-16
EP0895694B1 (en) 2004-01-28

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