CN1463547A - 部分加密的声频编码 - Google Patents
部分加密的声频编码 Download PDFInfo
- Publication number
- CN1463547A CN1463547A CN02802114A CN02802114A CN1463547A CN 1463547 A CN1463547 A CN 1463547A CN 02802114 A CN02802114 A CN 02802114A CN 02802114 A CN02802114 A CN 02802114A CN 1463547 A CN1463547 A CN 1463547A
- Authority
- CN
- China
- Prior art keywords
- parameter
- signal
- sound signal
- parametric representation
- frequency
- 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.)
- Granted
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/02—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 using spectral analysis, e.g. transform vocoders or subband vocoders
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
- H04K1/00—Secret communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/14—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms
- H04L9/16—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols using a plurality of keys or algorithms the keys or algorithms being changed during operation
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- 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
Abstract
Description
Claims (20)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01201405 | 2001-04-18 | ||
EP01201405.6 | 2001-04-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1463547A true CN1463547A (zh) | 2003-12-24 |
CN1274153C CN1274153C (zh) | 2006-09-06 |
Family
ID=8180170
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB028021142A Expired - Fee Related CN1274153C (zh) | 2001-04-18 | 2002-04-09 | 部分加密的声频编码 |
Country Status (10)
Country | Link |
---|---|
US (1) | US7319756B2 (zh) |
EP (1) | EP1382202B1 (zh) |
JP (1) | JP4391088B2 (zh) |
KR (1) | KR100927842B1 (zh) |
CN (1) | CN1274153C (zh) |
AT (1) | ATE334556T1 (zh) |
BR (1) | BR0204835A (zh) |
DE (1) | DE60213394T2 (zh) |
ES (1) | ES2266481T3 (zh) |
WO (1) | WO2002087241A1 (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101160976B (zh) * | 2005-04-13 | 2010-05-19 | 株式会社Ntt都科摩 | 运动图像编码装置及其方法、运动图像解码装置及其方法 |
CN102460574A (zh) * | 2009-05-19 | 2012-05-16 | 韩国电子通信研究院 | 用于使用层级正弦脉冲编码对音频信号进行编码和解码的方法和设备 |
CN101779462B (zh) * | 2007-08-16 | 2012-05-30 | 三星电子株式会社 | 对根据心理声学模型幅度小于掩蔽值的正弦信号有效编码的编码方法和设备以及对编码的正弦信号解码的解码设备和方法 |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1669358A (zh) * | 2002-07-16 | 2005-09-14 | 皇家飞利浦电子股份有限公司 | 音频编码 |
US7764791B2 (en) * | 2002-10-03 | 2010-07-27 | Daniel Lecomte | Method for secured transmission of audiovisual files |
FR2845543B1 (fr) * | 2002-10-03 | 2005-02-04 | Medialive | Systeme d'embrouillage securise de flux audio |
US7630492B2 (en) | 2002-10-03 | 2009-12-08 | Daniel Lecomte | Secure audio stream scramble system |
FR2849980B1 (fr) * | 2003-01-15 | 2005-04-08 | Medialive | Procede pour la distribution de sequences video, decodeur et systeme pour la mise en oeuvre de ce prodede |
FR2853786B1 (fr) * | 2003-04-11 | 2005-08-05 | Medialive | Procede et equipement de distribution de produits videos numeriques avec une restriction de certains au moins des droits de representation et de reproduction |
FR2854531B1 (fr) * | 2003-05-02 | 2007-01-05 | Medialive | Procede et systeme pour securiser l'embrouillage, le desembrouillage et la distribution de sequences visuelles vectorielles |
ATE486348T1 (de) * | 2003-06-30 | 2010-11-15 | Koninkl Philips Electronics Nv | Verbesserung der qualität von dekodierten audio mittels hinzufügen von geräusch |
KR20060131729A (ko) * | 2003-09-09 | 2006-12-20 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 과도 오디오 신호 성분들의 인코딩 |
US8472792B2 (en) | 2003-12-08 | 2013-06-25 | Divx, Llc | Multimedia distribution system |
US7519274B2 (en) | 2003-12-08 | 2009-04-14 | Divx, Inc. | File format for multiple track digital data |
US7781665B2 (en) * | 2005-02-10 | 2010-08-24 | Koninklijke Philips Electronics N.V. | Sound synthesis |
EP1989702A4 (en) * | 2006-01-18 | 2012-03-14 | Lg Electronics Inc | DEVICE AND METHOD FOR CODING AND DECODING A SIGNAL |
US7515710B2 (en) | 2006-03-14 | 2009-04-07 | Divx, Inc. | Federated digital rights management scheme including trusted systems |
KR100836942B1 (ko) * | 2006-04-18 | 2008-06-12 | 프레스티지전자 주식회사 | 음성신호의 인크립션/디크립션 방법과 이를 위한 장치 |
US20080101711A1 (en) * | 2006-10-26 | 2008-05-01 | Antonius Kalker | Rendering engine for forming an unwarped reproduction of stored content from warped content |
EP1921608A1 (en) * | 2006-11-13 | 2008-05-14 | Electronics And Telecommunications Research Institute | Method of inserting vector information for estimating voice data in key re-synchronization period, method of transmitting vector information, and method of estimating voice data in key re-synchronization using vector information |
EP4213033A1 (en) | 2007-01-05 | 2023-07-19 | DivX, LLC | Video distribution system including progressive playback |
KR20080073925A (ko) * | 2007-02-07 | 2008-08-12 | 삼성전자주식회사 | 파라메트릭 부호화된 오디오 신호를 복호화하는 방법 및장치 |
KR101317269B1 (ko) | 2007-06-07 | 2013-10-14 | 삼성전자주식회사 | 정현파 오디오 코딩 방법 및 장치, 그리고 정현파 오디오디코딩 방법 및 장치 |
KR101410230B1 (ko) | 2007-08-17 | 2014-06-20 | 삼성전자주식회사 | 종지 정현파 신호와 일반적인 연속 정현파 신호를 다른방식으로 처리하는 오디오 신호 인코딩 방법 및 장치와오디오 신호 디코딩 방법 및 장치 |
CN101861583B (zh) | 2007-11-16 | 2014-06-04 | 索尼克Ip股份有限公司 | 用于多媒体文件的分级及简化索引结构 |
WO2011068668A1 (en) | 2009-12-04 | 2011-06-09 | Divx, Llc | Elementary bitstream cryptographic material transport systems and methods |
US9247312B2 (en) | 2011-01-05 | 2016-01-26 | Sonic Ip, Inc. | Systems and methods for encoding source media in matroska container files for adaptive bitrate streaming using hypertext transfer protocol |
US9467708B2 (en) | 2011-08-30 | 2016-10-11 | Sonic Ip, Inc. | Selection of resolutions for seamless resolution switching of multimedia content |
US8787570B2 (en) | 2011-08-31 | 2014-07-22 | Sonic Ip, Inc. | Systems and methods for automatically genenrating top level index files |
US8909922B2 (en) | 2011-09-01 | 2014-12-09 | Sonic Ip, Inc. | Systems and methods for playing back alternative streams of protected content protected using common cryptographic information |
EP2933797B1 (en) * | 2012-12-17 | 2016-09-07 | Panasonic Intellectual Property Management Co., Ltd. | Information processing device and control method |
US9191457B2 (en) | 2012-12-31 | 2015-11-17 | Sonic Ip, Inc. | Systems, methods, and media for controlling delivery of content |
CN107111477B (zh) | 2015-01-06 | 2021-05-14 | 帝威视有限公司 | 用于编码内容和在设备之间共享内容的系统和方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4232194A (en) * | 1979-03-16 | 1980-11-04 | Ocean Technology, Inc. | Voice encryption system |
US4612414A (en) * | 1983-08-31 | 1986-09-16 | At&T Information Systems Inc. | Secure voice transmission |
CN1062963C (zh) * | 1990-04-12 | 2001-03-07 | 多尔拜实验特许公司 | 用于产生高质量声音信号的解码器和编码器 |
US5243653A (en) * | 1992-05-22 | 1993-09-07 | Motorola, Inc. | Method and apparatus for maintaining continuous synchronous encryption and decryption in a wireless communication system throughout a hand-off |
DK46493D0 (da) * | 1993-04-22 | 1993-04-22 | Frank Uldall Leonhard | Metode for signalbehandling til bestemmelse af transientforhold i auditive signaler |
JP3496411B2 (ja) * | 1996-10-30 | 2004-02-09 | ソニー株式会社 | 情報符号化方法及び復号化装置 |
US5886276A (en) * | 1997-01-16 | 1999-03-23 | The Board Of Trustees Of The Leland Stanford Junior University | System and method for multiresolution scalable audio signal encoding |
DE19730130C2 (de) * | 1997-07-14 | 2002-02-28 | Fraunhofer Ges Forschung | Verfahren zum Codieren eines Audiosignals |
DE19747132C2 (de) * | 1997-10-24 | 2002-11-28 | Fraunhofer Ges Forschung | Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms |
US6888943B1 (en) * | 1998-04-21 | 2005-05-03 | Verance Corporation | Multimedia adaptive scrambling system (MASS) |
CA2329315A1 (en) * | 1998-04-21 | 1999-10-28 | Solana Technology Development Corporation | Multimedia adaptive scrambling system (mass) |
JO2117B1 (en) * | 1998-07-15 | 2000-05-21 | كانال + تيكنولوجيز سوسيته انونيم | A method and device for the secure communication of information between a group of audio-visual devices that operate with numbers |
US6266644B1 (en) * | 1998-09-26 | 2001-07-24 | Liquid Audio, Inc. | Audio encoding apparatus and methods |
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 |
WO2000079519A1 (en) | 1999-06-18 | 2000-12-28 | Koninklijke Philips Electronics N.V. | Audio transmission system having an improved encoder |
US7085377B1 (en) * | 1999-07-30 | 2006-08-01 | Lucent Technologies Inc. | Information delivery in a multi-stream digital broadcasting system |
EP1190415B1 (en) * | 2000-03-15 | 2007-08-08 | Koninklijke Philips Electronics N.V. | Laguerre function for audio coding |
US20020076049A1 (en) * | 2000-12-19 | 2002-06-20 | Boykin Patrick Oscar | Method for distributing perceptually encrypted videos and decypting them |
US6845359B2 (en) * | 2001-03-22 | 2005-01-18 | Motorola, Inc. | FFT based sine wave synthesis method for parametric vocoders |
-
2002
- 2002-04-09 ES ES02720374T patent/ES2266481T3/es not_active Expired - Lifetime
- 2002-04-09 EP EP02720374A patent/EP1382202B1/en not_active Expired - Lifetime
- 2002-04-09 KR KR1020027016989A patent/KR100927842B1/ko not_active IP Right Cessation
- 2002-04-09 WO PCT/IB2002/001281 patent/WO2002087241A1/en active IP Right Grant
- 2002-04-09 CN CNB028021142A patent/CN1274153C/zh not_active Expired - Fee Related
- 2002-04-09 AT AT02720374T patent/ATE334556T1/de not_active IP Right Cessation
- 2002-04-09 DE DE60213394T patent/DE60213394T2/de not_active Expired - Lifetime
- 2002-04-09 BR BR0204835-3A patent/BR0204835A/pt not_active IP Right Cessation
- 2002-04-09 JP JP2002584617A patent/JP4391088B2/ja not_active Expired - Fee Related
- 2002-04-16 US US10/123,665 patent/US7319756B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101160976B (zh) * | 2005-04-13 | 2010-05-19 | 株式会社Ntt都科摩 | 运动图像编码装置及其方法、运动图像解码装置及其方法 |
CN101779462B (zh) * | 2007-08-16 | 2012-05-30 | 三星电子株式会社 | 对根据心理声学模型幅度小于掩蔽值的正弦信号有效编码的编码方法和设备以及对编码的正弦信号解码的解码设备和方法 |
CN102460574A (zh) * | 2009-05-19 | 2012-05-16 | 韩国电子通信研究院 | 用于使用层级正弦脉冲编码对音频信号进行编码和解码的方法和设备 |
Also Published As
Publication number | Publication date |
---|---|
WO2002087241A1 (en) | 2002-10-31 |
EP1382202B1 (en) | 2006-07-26 |
JP4391088B2 (ja) | 2009-12-24 |
EP1382202A1 (en) | 2004-01-21 |
BR0204835A (pt) | 2003-06-10 |
DE60213394D1 (de) | 2006-09-07 |
ES2266481T3 (es) | 2007-03-01 |
DE60213394T2 (de) | 2007-08-23 |
CN1274153C (zh) | 2006-09-06 |
ATE334556T1 (de) | 2006-08-15 |
US7319756B2 (en) | 2008-01-15 |
US20020154774A1 (en) | 2002-10-24 |
KR20030010702A (ko) | 2003-02-05 |
JP2004531761A (ja) | 2004-10-14 |
KR100927842B1 (ko) | 2009-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: IPG ELECTRONICS 503 CO., LTD. Free format text: FORMER OWNER: ROYAL PHILIPS ELECTRONICS CO., LTD. Effective date: 20090828 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20090828 Address after: British Channel Islands Patentee after: Koninkl Philips Electronics NV Address before: Holland Ian Deho Finn Patentee before: Koninklike Philips Electronics N. V. |
|
ASS | Succession or assignment of patent right |
Owner name: PENDRAGON WIRELESS CO., LTD. Free format text: FORMER OWNER: IPG ELECTRONICS 503 LTD. Effective date: 20130107 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130107 Address after: Washington State Patentee after: Pendragon wireless limited liability company Address before: British Channel Islands Patentee before: Koninkl Philips Electronics NV |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20140409 |