WO2007072419A3 - A device for and a method of processing a data stream - Google Patents

A device for and a method of processing a data stream Download PDF

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Publication number
WO2007072419A3
WO2007072419A3 PCT/IB2006/054944 IB2006054944W WO2007072419A3 WO 2007072419 A3 WO2007072419 A3 WO 2007072419A3 IB 2006054944 W IB2006054944 W IB 2006054944W WO 2007072419 A3 WO2007072419 A3 WO 2007072419A3
Authority
WO
WIPO (PCT)
Prior art keywords
data stream
anchor frame
frames
disclosed
processing
Prior art date
Application number
PCT/IB2006/054944
Other languages
French (fr)
Other versions
WO2007072419A2 (en
Inventor
Albert M A Rijckaert
Eric W J Moors
Roland P J M Manders
Original Assignee
Koninkl Philips Electronics Nv
Albert M A Rijckaert
Eric W J Moors
Roland P J M Manders
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 Koninkl Philips Electronics Nv, Albert M A Rijckaert, Eric W J Moors, Roland P J M Manders filed Critical Koninkl Philips Electronics Nv
Publication of WO2007072419A2 publication Critical patent/WO2007072419A2/en
Publication of WO2007072419A3 publication Critical patent/WO2007072419A3/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/24—Systems for the transmission of television signals using pulse code modulation
    • 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
    • H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
    • H04N21/266—Channel or content management, e.g. generation and management of keys and entitlement messages in a conditional access system, merging a VOD unicast channel into a multicast channel
    • H04N21/2662—Controlling the complexity of the video stream, e.g. by scaling the resolution or bitrate of the video stream based on the client capabilities
    • 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
    • H04N21/432—Content retrieval operation from a local storage medium, e.g. hard-disk
    • H04N21/4325—Content retrieval operation from a local storage medium, e.g. hard-disk by playing back content from the storage medium
    • 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
    • H04N21/4402—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 reformatting operations of video signals for household redistribution, storage or real-time display
    • 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
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Television Signal Processing For Recording (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)

Abstract

A device (6000) and method is disclosed for processing a data stream comprising a plurality of frames. Further, a program element and a computer-readable medium are disclosed enabling the disclosed method. The device comprises a detection unit (6001) for detecting the switch from a first reproduction mode to a second reproduction mode, a determination unit (6003) for determining a first anchor frame in the plurality of frames and an insertion unit (6004) for inserting the first anchor frame and a succession of empty predictive frames subsequent to the first anchor frame. The device operates in a manner that improves the compliance of a processed data stream for further transmission to a remote decoder arrangement that is capable of decoding a standardized signal.
PCT/IB2006/054944 2005-12-23 2006-12-19 A device for and a method of processing a data stream WO2007072419A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05112884 2005-12-23
EP05112884.1 2005-12-23

Publications (2)

Publication Number Publication Date
WO2007072419A2 WO2007072419A2 (en) 2007-06-28
WO2007072419A3 true WO2007072419A3 (en) 2008-06-12

Family

ID=38189060

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/054944 WO2007072419A2 (en) 2005-12-23 2006-12-19 A device for and a method of processing a data stream

Country Status (1)

Country Link
WO (1) WO2007072419A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4364283B2 (en) * 2008-03-26 2009-11-11 株式会社東芝 Progressive scan conversion apparatus and progressive scan conversion method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013121A1 (en) * 1994-10-20 1996-05-02 Thomson Consumer Electronics, Inc. Hdtv trick play stream derivation for vcr
WO2002087232A1 (en) * 2001-04-24 2002-10-31 Koninklijke Philips Electronics N.V. Method and device for generating a video signal
US20030231863A1 (en) * 1998-06-11 2003-12-18 Koninklijke Philips Electronics N.V. Trick play signal generation for a digital video recorder using retrieved intra-encoded pictures and generated inter-encoded pictures

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1996013121A1 (en) * 1994-10-20 1996-05-02 Thomson Consumer Electronics, Inc. Hdtv trick play stream derivation for vcr
US20030231863A1 (en) * 1998-06-11 2003-12-18 Koninklijke Philips Electronics N.V. Trick play signal generation for a digital video recorder using retrieved intra-encoded pictures and generated inter-encoded pictures
WO2002087232A1 (en) * 2001-04-24 2002-10-31 Koninklijke Philips Electronics N.V. Method and device for generating a video signal

Also Published As

Publication number Publication date
WO2007072419A2 (en) 2007-06-28

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