ATE334556T1 - Audiokodierung mit partieller enkryption - Google Patents

Audiokodierung mit partieller enkryption

Info

Publication number
ATE334556T1
ATE334556T1 AT02720374T AT02720374T ATE334556T1 AT E334556 T1 ATE334556 T1 AT E334556T1 AT 02720374 T AT02720374 T AT 02720374T AT 02720374 T AT02720374 T AT 02720374T AT E334556 T1 ATE334556 T1 AT E334556T1
Authority
AT
Austria
Prior art keywords
values
linked
signal
components
tracks
Prior art date
Application number
AT02720374T
Other languages
English (en)
Inventor
Arnoldus W J Oomen
De Kerkhof Leon M Van
Original Assignee
Koninkl Philips Electronics Nv
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 filed Critical Koninkl Philips Electronics Nv
Application granted granted Critical
Publication of ATE334556T1 publication Critical patent/ATE334556T1/de

Links

Classifications

    • 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
    • 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
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04K—SECRET COMMUNICATION; JAMMING OF COMMUNICATION
    • H04K1/00—Secret communication
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Security & Cryptography (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT02720374T 2001-04-18 2002-04-09 Audiokodierung mit partieller enkryption ATE334556T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP01201405 2001-04-18

Publications (1)

Publication Number Publication Date
ATE334556T1 true ATE334556T1 (de) 2006-08-15

Family

ID=8180170

Family Applications (1)

Application Number Title Priority Date Filing Date
AT02720374T ATE334556T1 (de) 2001-04-18 2002-04-09 Audiokodierung mit partieller enkryption

Country Status (10)

Country Link
US (1) US7319756B2 (de)
EP (1) EP1382202B1 (de)
JP (1) JP4391088B2 (de)
KR (1) KR100927842B1 (de)
CN (1) CN1274153C (de)
AT (1) ATE334556T1 (de)
BR (1) BR0204835A (de)
DE (1) DE60213394T2 (de)
ES (1) ES2266481T3 (de)
WO (1) WO2002087241A1 (de)

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FR2845543B1 (fr) * 2002-10-03 2005-02-04 Medialive Systeme d'embrouillage securise de flux audio
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
WO2005001814A1 (en) * 2003-06-30 2005-01-06 Koninklijke Philips Electronics N.V. Improving quality of decoded audio by adding noise
KR20060131729A (ko) * 2003-09-09 2006-12-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 과도 오디오 신호 성분들의 인코딩
US7519274B2 (en) 2003-12-08 2009-04-14 Divx, Inc. File format for multiple track digital data
US8472792B2 (en) 2003-12-08 2013-06-25 Divx, Llc Multimedia distribution system
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TWI333643B (en) * 2006-01-18 2010-11-21 Lg Electronics Inc Apparatus and method for encoding and decoding signal
WO2007106844A2 (en) 2006-03-14 2007-09-20 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 (de) * 2006-11-13 2008-05-14 Electronics And Telecommunications Research Institute Verfahren für die Einfügung von Vektorinformationen zum Schätzen von Sprachdaten in der Phase der Neusynchronisierung von Schlüsseln, Verfahren zum Übertragen von Vektorinformationen und Verfahren zum Schätzen der Sprachdaten bei der Neusynchronisierung von Schlüsseln unter Verwendung der Vektorinformationen
EP4184341A1 (de) 2007-01-05 2023-05-24 DivX, LLC Videoverteilungssystem mit progressiver wiedergabe
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
KR101346771B1 (ko) * 2007-08-16 2013-12-31 삼성전자주식회사 심리 음향 모델에 따른 마스킹 값보다 작은 정현파 신호를효율적으로 인코딩하는 방법 및 장치, 그리고 인코딩된오디오 신호를 디코딩하는 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
KR20100106327A (ko) 2007-11-16 2010-10-01 디브이엑스, 인크. 멀티미디어 파일을 위한 계층적 및 감소된 인덱스 구조
JP5730860B2 (ja) * 2009-05-19 2015-06-10 エレクトロニクス アンド テレコミュニケーションズ リサーチ インスチチュートＥｌｅｃｔｒｏｎｉｃｓ Ａｎｄ Ｔｅｌｅｃｏｍｍｕｎｉｃａｔｉｏｎｓ Ｒｅｓｅａｒｃｈ Ｉｎｓｔｉｔｕｔｅ 階層型正弦波パルスコーディングを用いるオーディオ信号の符号化及び復号化方法及び装置
CA2782825C (en) 2009-12-04 2016-04-26 Divx, Llc Elementary bitstream cryptographic material transport systems and methods
US8914534B2 (en) 2011-01-05 2014-12-16 Sonic Ip, Inc. Systems and methods for adaptive bitrate streaming of media stored in matroska container files 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
JP6213879B2 (ja) * 2012-12-17 2017-10-18 パナソニックＩｐマネジメント株式会社 情報処理装置および制御方法
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US9191457B2 (en) 2012-12-31 2015-11-17 Sonic Ip, Inc. Systems, methods, and media for controlling delivery of content
WO2016112112A1 (en) 2015-01-06 2016-07-14 Sonic Ip, Inc. Systems and methods for encoding and sharing content between devices

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Also Published As

Publication number Publication date
DE60213394T2 (de) 2007-08-23
BR0204835A (pt) 2003-06-10
CN1274153C (zh) 2006-09-06
US7319756B2 (en) 2008-01-15
JP2004531761A (ja) 2004-10-14
DE60213394D1 (de) 2006-09-07
US20020154774A1 (en) 2002-10-24
JP4391088B2 (ja) 2009-12-24
EP1382202A1 (de) 2004-01-21
KR100927842B1 (ko) 2009-11-23
CN1463547A (zh) 2003-12-24
ES2266481T3 (es) 2007-03-01
EP1382202B1 (de) 2006-07-26
WO2002087241A1 (en) 2002-10-31
KR20030010702A (ko) 2003-02-05

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