ATE405049T1 - System zur gesicherten verschlüsselung eines audiostroms - Google Patents

System zur gesicherten verschlüsselung eines audiostroms

Info

Publication number
ATE405049T1
ATE405049T1 AT03798955T AT03798955T ATE405049T1 AT E405049 T1 ATE405049 T1 AT E405049T1 AT 03798955 T AT03798955 T AT 03798955T AT 03798955 T AT03798955 T AT 03798955T AT E405049 T1 ATE405049 T1 AT E405049T1
Authority
AT
Austria
Prior art keywords
stream
main stream
nominal
frames
audio
Prior art date
Application number
AT03798955T
Other languages
English (en)
Inventor
Daniel Lecomte
Daniela Parayre-Mitzova
Original Assignee
Medialive
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 filed Critical Medialive
Application granted granted Critical
Publication of ATE405049T1 publication Critical patent/ATE405049T1/de

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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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]
    • H04N21/40—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
    • H04N21/4622—Retrieving content or additional data from different sources, e.g. from a broadcast channel and the Internet
    • 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
    • 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
    • H04N21/835—Generation of protective data, e.g. certificates

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Databases & Information Systems (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Stereophonic System (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Storage Device Security (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)
AT03798955T 2002-10-03 2003-10-03 System zur gesicherten verschlüsselung eines audiostroms ATE405049T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0212267A FR2845543B1 (fr) 2002-10-03 2002-10-03 Systeme d'embrouillage securise de flux audio

Publications (1)

Publication Number Publication Date
ATE405049T1 true ATE405049T1 (de) 2008-08-15

Family

ID=32011371

Family Applications (1)

Application Number Title Priority Date Filing Date
AT03798955T ATE405049T1 (de) 2002-10-03 2003-10-03 System zur gesicherten verschlüsselung eines audiostroms

Country Status (6)

Country Link
EP (1) EP1582022B1 (de)
AT (1) ATE405049T1 (de)
AU (1) AU2003299159A1 (de)
DE (1) DE60322958D1 (de)
FR (1) FR2845543B1 (de)
WO (1) WO2004032418A2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4722042B2 (ja) * 2004-04-20 2011-07-13 パナソニック株式会社 記録再生装置、記録再生制御方法、記録再生制御プログラム、および半導体装置
FR2898451B1 (fr) 2006-03-13 2008-05-09 Medialive Procede et equipement de distribution de contenus audiovisuels numeriques securises par des solutions interoperables

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5058159A (en) * 1989-06-15 1991-10-15 Macrovision Corporation Method and system for scrambling and descrambling audio information signals
JP2002512494A (ja) * 1998-04-21 2002-04-23 ソラナ・テクノロジー・ディベロップメント・コーポレイション マルティメディア適応スクランブリングシステム
DE19907964C1 (de) * 1999-02-24 2000-08-10 Fraunhofer Ges Forschung Vorrichtung und Verfahren zum Erzeugen eines verschlüsselten Datenstroms und Vorrichtung und Verfahren zum Erzeugen eines entschlüsselten Audio- und/oder Videosignals
JP2004519131A (ja) * 2000-12-15 2004-06-24 ドルビー・ラボラトリーズ・ライセンシング・コーポレーション アセンブルされたビットストリームの部分的暗号化
ATE334556T1 (de) * 2001-04-18 2006-08-15 Koninkl Philips Electronics Nv Audiokodierung mit partieller enkryption

Also Published As

Publication number Publication date
EP1582022B1 (de) 2008-08-13
AU2003299159A1 (en) 2004-04-23
DE60322958D1 (de) 2008-09-25
FR2845543B1 (fr) 2005-02-04
WO2004032418A2 (fr) 2004-04-15
FR2845543A1 (fr) 2004-04-09
WO2004032418A3 (fr) 2004-08-05
AU2003299159A8 (en) 2004-04-23
EP1582022A2 (de) 2005-10-05

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Legal Events

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