WO2006129222A3 - Viewing of video data in a normal mode and a tease mode - Google Patents

Viewing of video data in a normal mode and a tease mode Download PDF

Info

Publication number
WO2006129222A3
WO2006129222A3 PCT/IB2006/051605 IB2006051605W WO2006129222A3 WO 2006129222 A3 WO2006129222 A3 WO 2006129222A3 IB 2006051605 W IB2006051605 W IB 2006051605W WO 2006129222 A3 WO2006129222 A3 WO 2006129222A3
Authority
WO
WIPO (PCT)
Prior art keywords
data
mode
video data
enhancement
tease
Prior art date
Application number
PCT/IB2006/051605
Other languages
French (fr)
Other versions
WO2006129222A2 (en
Inventor
Stephan O Mietens
Mauro Barbieri
Wilhelmus H A Bruls
Hong R Li
Johannes Weda
Original Assignee
Koninkl Philips Electronics Nv
Stephan O Mietens
Mauro Barbieri
Wilhelmus H A Bruls
Hong R Li
Johannes Weda
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, Stephan O Mietens, Mauro Barbieri, Wilhelmus H A Bruls, Hong R Li, Johannes Weda filed Critical Koninkl Philips Electronics Nv
Publication of WO2006129222A2 publication Critical patent/WO2006129222A2/en
Publication of WO2006129222A3 publication Critical patent/WO2006129222A3/en

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]
    • H04N21/40—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, rendering scenes according to MPEG-4 scene graphs
    • H04N21/4405—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption
    • H04N21/44055—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs involving video stream decryption by partially decrypting, e.g. decrypting a video stream that has been partially encrypted
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
    • H04N21/234327—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements by decomposing into layers, e.g. base layer and one or more enhancement layers
    • 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, manipulating MPEG-4 scene graphs
    • H04N21/2347—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption
    • H04N21/23476—Processing of video elementary streams, e.g. splicing of video streams, manipulating MPEG-4 scene graphs involving video stream encryption by partially encrypting, e.g. encrypting the ending portion of a movie
    • 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
    • H04N21/45—Management operations performed by the client for facilitating the reception of or the interaction with the content or administrating data related to the end-user or to the client device itself, e.g. learning user preferences for recommending movies, resolving scheduling conflicts
    • H04N21/462—Content or additional data management, e.g. creating a master electronic program guide from data received from the Internet and a Head-end, controlling the complexity of a video stream by scaling the resolution or bit-rate based on the client capabilities
    • H04N21/4621—Controlling the complexity of the content stream or additional data, e.g. lowering the resolution or bit-rate of the video stream for a mobile client with a small screen
    • 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
    • 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]
    • H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client 
    • H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
    • H04N21/631—Multimode Transmission, e.g. transmitting basic layers and enhancement layers of the content over different transmission paths or transmitting with different error corrections, different keys or with different transmission protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N7/00—Television systems
    • H04N7/16—Analogue secrecy systems; Analogue subscription systems
    • H04N7/167—Systems rendering the television signal unintelligible and subsequently intelligible
    • H04N7/1675—Providing digital key or authorisation information for generation or regeneration of the scrambling sequence

Abstract

Video data is distributed as base data to represent a source image stream and enhancement data to improve the base data . The base data and the enhancement data are distributed each in the same format, so that each can be used separately to generate an image, except that the base data is encrypted and the enhancement data is not encrypted. A receiver is able to switch between a normal mode, in which the base data and the enhancement data are combined and a teasing mode, wherein an image derived from the enhancement data only is shown if no key is available to decrypt the base data.
PCT/IB2006/051605 2005-05-31 2006-05-19 Viewing of video data in a normal mode and a tease mode WO2006129222A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP05104650.6 2005-05-31
EP05104650 2005-05-31

Publications (2)

Publication Number Publication Date
WO2006129222A2 WO2006129222A2 (en) 2006-12-07
WO2006129222A3 true WO2006129222A3 (en) 2007-02-22

Family

ID=37309074

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2006/051605 WO2006129222A2 (en) 2005-05-31 2006-05-19 Viewing of video data in a normal mode and a tease mode

Country Status (1)

Country Link
WO (1) WO2006129222A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2614785A (en) * 2022-01-12 2023-07-19 V Nova Int Ltd Secure enhancement decoding implementation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6026164A (en) * 1994-12-27 2000-02-15 Kabushiki Kaisha Toshiba Communication processing system with multiple data layers for digital television broadcasting
WO2003071808A2 (en) * 2002-02-20 2003-08-28 Koninklijke Philips Electronics N.V. Flexible storage of media information
US20040028227A1 (en) * 2002-08-08 2004-02-12 Yu Hong Heather Partial encryption of stream-formatted media
WO2004036868A1 (en) * 2002-10-18 2004-04-29 Koninklijke Philips Electronics N.V. Storage

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6026164A (en) * 1994-12-27 2000-02-15 Kabushiki Kaisha Toshiba Communication processing system with multiple data layers for digital television broadcasting
WO2003071808A2 (en) * 2002-02-20 2003-08-28 Koninklijke Philips Electronics N.V. Flexible storage of media information
US20040028227A1 (en) * 2002-08-08 2004-02-12 Yu Hong Heather Partial encryption of stream-formatted media
WO2004036868A1 (en) * 2002-10-18 2004-04-29 Koninklijke Philips Electronics N.V. Storage

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
TOSUN A S ET AL: "Efficient multi-layer coding and encryption of MPEG video streams", MULTIMEDIA AND EXPO, 2000. ICME 2000. 2000 IEEE INTERNATIONAL CONFERENCE ON NEW YORK, NY, USA 30 JULY-2 AUG. 2000, PISCATAWAY, NJ, USA,IEEE, US, vol. 1, 30 July 2000 (2000-07-30), pages 119 - 122, XP010511416, ISBN: 0-7803-6536-4 *

Also Published As

Publication number Publication date
WO2006129222A2 (en) 2006-12-07

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