ATE405049T1 - System zur gesicherten verschlüsselung eines audiostroms - Google Patents
System zur gesicherten verschlüsselung eines audiostromsInfo
- 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
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 programme guide from data received from the Internet and a Head-end or 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)
- Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Computer Security & Cryptography (AREA)
- Health & Medical Sciences (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Stereophonic System (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Storage Device Security (AREA)
- Circuit For Audible Band Transducer (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
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)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100437526C (zh) * | 2004-04-20 | 2008-11-26 | 松下电器产业株式会社 | 记录再生装置及内容数据保护系统 |
| 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)
| 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 |
| EP1095517A1 (de) * | 1998-04-21 | 2001-05-02 | Verance Corporation | Multimediaadoptives verschlüsselungssystem |
| 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 |
| ATE270798T1 (de) * | 2000-12-15 | 2004-07-15 | Dolby Lab Licensing Corp | Teilverschlüsselung von zusammengesetzten bitströmen |
| ES2266481T3 (es) * | 2001-04-18 | 2007-03-01 | Koninklijke Philips Electronics N.V. | Codificacion de audio con encriptacion parcial. |
-
2002
- 2002-10-03 FR FR0212267A patent/FR2845543B1/fr not_active Expired - Lifetime
-
2003
- 2003-10-03 AT AT03798955T patent/ATE405049T1/de not_active IP Right Cessation
- 2003-10-03 EP EP03798955A patent/EP1582022B1/de not_active Expired - Lifetime
- 2003-10-03 AU AU2003299159A patent/AU2003299159A1/en not_active Abandoned
- 2003-10-03 WO PCT/FR2003/002913 patent/WO2004032418A2/fr not_active Ceased
- 2003-10-03 DE DE60322958T patent/DE60322958D1/de not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| DE60322958D1 (de) | 2008-09-25 |
| WO2004032418A2 (fr) | 2004-04-15 |
| FR2845543A1 (fr) | 2004-04-09 |
| AU2003299159A8 (en) | 2004-04-23 |
| FR2845543B1 (fr) | 2005-02-04 |
| EP1582022B1 (de) | 2008-08-13 |
| AU2003299159A1 (en) | 2004-04-23 |
| WO2004032418A3 (fr) | 2004-08-05 |
| EP1582022A2 (de) | 2005-10-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |