FR2846178B1 - Desembrouillage adaptatif et progressif de flux audio - Google Patents

Desembrouillage adaptatif et progressif de flux audio

Info

Publication number
FR2846178B1
FR2846178B1 FR0213090A FR0213090A FR2846178B1 FR 2846178 B1 FR2846178 B1 FR 2846178B1 FR 0213090 A FR0213090 A FR 0213090A FR 0213090 A FR0213090 A FR 0213090A FR 2846178 B1 FR2846178 B1 FR 2846178B1
Authority
FR
France
Prior art keywords
adaptive
audio streams
disconnection
progressive
progressive disconnection
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 - Fee Related
Application number
FR0213090A
Other languages
English (en)
Other versions
FR2846178A1 (fr
Inventor
Daniel Lecomte
Mitzova Daniela Parayre
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.)
Medialive SA
Original Assignee
Medialive SA
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 Medialive SA filed Critical Medialive SA
Priority to FR0213090A priority Critical patent/FR2846178B1/fr
Priority to US10/530,594 priority patent/US20060167682A1/en
Priority to AU2003292363A priority patent/AU2003292363A1/en
Priority to PCT/FR2003/050098 priority patent/WO2004039075A2/fr
Priority to EP03767935A priority patent/EP1554877A2/fr
Publication of FR2846178A1 publication Critical patent/FR2846178A1/fr
Application granted granted Critical
Publication of FR2846178B1 publication Critical patent/FR2846178B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • H04N21/233—Processing of audio elementary streams
    • 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]
    • H04N21/20—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
    • H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
    • H04N21/25808—Management of client data
    • 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
    • H04N21/439—Processing of audio elementary streams
    • 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
    • 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
    • H04N21/81—Monomedia components thereof
    • H04N21/8106—Monomedia components thereof involving special audio data, e.g. different tracks for different languages
    • 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
FR0213090A 2002-10-21 2002-10-21 Desembrouillage adaptatif et progressif de flux audio Expired - Fee Related FR2846178B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR0213090A FR2846178B1 (fr) 2002-10-21 2002-10-21 Desembrouillage adaptatif et progressif de flux audio
US10/530,594 US20060167682A1 (en) 2002-10-21 2003-10-21 Adaptive and progressive audio stream descrambling
AU2003292363A AU2003292363A1 (en) 2002-10-21 2003-10-21 Adaptive and progressive audio stream descrambling
PCT/FR2003/050098 WO2004039075A2 (fr) 2002-10-21 2003-10-21 Desembrouillage adaptatif et progressif de flux audio
EP03767935A EP1554877A2 (fr) 2002-10-21 2003-10-21 Desembrouillage adaptatif et progressif de flux audio

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0213090A FR2846178B1 (fr) 2002-10-21 2002-10-21 Desembrouillage adaptatif et progressif de flux audio

Publications (2)

Publication Number Publication Date
FR2846178A1 FR2846178A1 (fr) 2004-04-23
FR2846178B1 true FR2846178B1 (fr) 2005-03-11

Family

ID=32050586

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0213090A Expired - Fee Related FR2846178B1 (fr) 2002-10-21 2002-10-21 Desembrouillage adaptatif et progressif de flux audio

Country Status (5)

Country Link
US (1) US20060167682A1 (fr)
EP (1) EP1554877A2 (fr)
AU (1) AU2003292363A1 (fr)
FR (1) FR2846178B1 (fr)
WO (1) WO2004039075A2 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2909507B1 (fr) * 2006-12-05 2009-05-22 Medialive Sa Procede et systeme de distribution securisee de donnees audiovisuelles par marquage transactionel
US8613038B2 (en) * 2010-10-22 2013-12-17 Stmicroelectronics International N.V. Methods and apparatus for decoding multiple independent audio streams using a single audio decoder
US8700406B2 (en) * 2011-05-23 2014-04-15 Qualcomm Incorporated Preserving audio data collection privacy in mobile devices
US9406307B2 (en) * 2012-08-19 2016-08-02 The Regents Of The University Of California Method and apparatus for polyphonic audio signal prediction in coding and networking systems
US9830920B2 (en) 2012-08-19 2017-11-28 The Regents Of The University Of California Method and apparatus for polyphonic audio signal prediction in coding and networking systems

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59111441A (ja) * 1982-12-17 1984-06-27 Sony Corp 音声信号の秘話方式
US5058159A (en) * 1989-06-15 1991-10-15 Macrovision Corporation Method and system for scrambling and descrambling audio information signals
FR2661585B1 (fr) * 1990-04-25 1992-08-07 Telediffusion Fse Procede et dispositif d'embrouillage-desembrouillage de donnees d'images numeriques.
FI94008C (fi) * 1992-09-04 1995-06-26 Salon Televisiotehdas Oy Videosignaalin dekooderijärjestelmä
CN100501754C (zh) * 1995-02-13 2009-06-17 英特特拉斯特技术公司 用于安全交易管理和电子权利保护的系统和方法
US7177429B2 (en) * 2000-12-07 2007-02-13 Blue Spike, Inc. System and methods for permitting open access to data objects and for securing data within the data objects
US5953506A (en) * 1996-12-17 1999-09-14 Adaptive Media Technologies Method and apparatus that provides a scalable media delivery system
FR2771581B1 (fr) * 1997-11-26 1999-12-17 Thomson Multimedia Sa Procede d'embrouillage et procede de desembrouillage de donnees video numeriques et dispositifs mettant en oeuvre les procedes
EP0944257A1 (fr) * 1998-03-06 1999-09-22 CANAL+ Société Anonyme Terminal multimedia pour plusieurs utilisateurs
JPH11298878A (ja) * 1998-04-08 1999-10-29 Nec Corp 画像スクランブル方法およびそれを実施する装置
US6938270B2 (en) * 1999-04-07 2005-08-30 Microsoft Corporation Communicating scripts in a data service channel of a video signal
US6937730B1 (en) * 2000-02-16 2005-08-30 Intel Corporation Method and system for providing content-specific conditional access to digital content
US7509179B2 (en) * 2000-08-29 2009-03-24 Panasonic Corporation Distribution system
US20020064285A1 (en) * 2000-11-30 2002-05-30 Deleon Roland H. System and method for processing an audio signal prior to encoding
CN1165049C (zh) * 2000-12-28 2004-09-01 日本胜利株式会社 内容记录装置、重放装置、传送方法及接收方法
US6807542B2 (en) * 2001-08-14 2004-10-19 International Business Machines Corporation Method and apparatus for selective and quantitative rights management
KR100438857B1 (ko) * 2001-09-26 2004-07-05 엘지전자 주식회사 사용자 선호도 기반 멀티미디어 검색 시스템
US7290057B2 (en) * 2002-08-20 2007-10-30 Microsoft Corporation Media streaming of web content data

Also Published As

Publication number Publication date
AU2003292363A1 (en) 2004-05-13
WO2004039075A3 (fr) 2004-07-08
WO2004039075A2 (fr) 2004-05-06
FR2846178A1 (fr) 2004-04-23
EP1554877A2 (fr) 2005-07-20
US20060167682A1 (en) 2006-07-27

Similar Documents

Publication Publication Date Title
GB0000873D0 (en) Interconnection of audio/video devices
AU2003213149A8 (en) Scalable compression of audio and other signals
DE602004003025D1 (de) Video-/audionetzwerk
GB2372923B (en) Audio user interface with selective audio field expansion
AU2003210643A8 (en) Audio enhancement communication techniques
GB0003306D0 (en) Control of interconnected audio/video devices
GB2388279B (en) Secure transmission of audio signals
DE60114556D1 (de) Skalierbares digitales Audio Codec
GB0201594D0 (en) Audio/video stream
GB0210770D0 (en) Audio transient suppression circuits and methods
IL166502A0 (en) Condensed voice buffering transmission and playback
DE60329010D1 (de) Empfängereinrichtung und fernsehempfänger
EP1427249A4 (fr) Bobine mobile de haut-parleur
EP1448019A4 (fr) Culasse de haut-parleur
GB0107405D0 (en) Field effect transistor structure and method of manufacture
FR2846179B1 (fr) Embrouillage adaptatif et progressif de flux audio
FR2846178B1 (fr) Desembrouillage adaptatif et progressif de flux audio
DE60216228D1 (de) Sprachübertragungs- und empfangssystem
GB2385485B (en) Speaker and method of manufacturing the same
GB0201647D0 (en) Audio announcements with range indications
GB0204948D0 (en) Audio speakers
FR2845556B1 (fr) Embrouillage adaptatif et progressif de flux video
TW540930U (en) Improved speaker magnetic component
IL160794A0 (en) An enantiomerically pure diarylmethylpiperazine and methods of using same
AU2002301202A1 (en) Streaming announcements to agents of an ACD

Legal Events

Date Code Title Description
ST Notification of lapse

Effective date: 20080630