ATE369600T1 - Laguerre funktion für audiokodierung - Google Patents

Laguerre funktion für audiokodierung

Info

Publication number
ATE369600T1
ATE369600T1 AT01929398T AT01929398T ATE369600T1 AT E369600 T1 ATE369600 T1 AT E369600T1 AT 01929398 T AT01929398 T AT 01929398T AT 01929398 T AT01929398 T AT 01929398T AT E369600 T1 ATE369600 T1 AT E369600T1
Authority
AT
Austria
Prior art keywords
audio coding
signal component
shape function
transient signal
function
Prior art date
Application number
AT01929398T
Other languages
English (en)
Inventor
Arnoldus Oomen
Brinker Albertus Den
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 ATE369600T1 publication Critical patent/ATE369600T1/de

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Cereal-Derived Products (AREA)
  • Stereophonic System (AREA)
  • Reverberation, Karaoke And Other Acoustics (AREA)
AT01929398T 2000-03-15 2001-03-05 Laguerre funktion für audiokodierung ATE369600T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP00200939 2000-03-15

Publications (1)

Publication Number Publication Date
ATE369600T1 true ATE369600T1 (de) 2007-08-15

Family

ID=8171205

Family Applications (1)

Application Number Title Priority Date Filing Date
AT01929398T ATE369600T1 (de) 2000-03-15 2001-03-05 Laguerre funktion für audiokodierung

Country Status (9)

Country Link
US (2) US6925434B2 (de)
EP (1) EP1190415B1 (de)
JP (1) JP4803938B2 (de)
KR (1) KR100780561B1 (de)
CN (1) CN1154975C (de)
AT (1) ATE369600T1 (de)
DE (1) DE60129771T2 (de)
ES (1) ES2292581T3 (de)
WO (1) WO2001069593A1 (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100780561B1 (ko) * 2000-03-15 2007-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 라게르 함수를 이용한 오디오 코딩 장치 및 방법
EP1382202B1 (de) * 2001-04-18 2006-07-26 Koninklijke Philips Electronics N.V. Audiokodierung mit partieller enkryption
BR0205527A (pt) * 2001-06-08 2003-07-08 Koninkl Philips Electronics Nv Métodos para editar um sinal de áudio original, e para decodificar um fluxo de áudio, editor de áudio, reprodutor de áudio, sistema de áudio, fluxo de áudio, e, meio de armazenagem
BR0206202A (pt) * 2001-10-26 2004-02-03 Koninklije Philips Electronics Métodos para codificar um sinal de áudio e para decodificar um fluxo de áudio, codificador de áudio, reprodutor de áudio, sistema de áudio, fluxo de áudio, e, meio de armazenamento
KR101001170B1 (ko) 2002-07-16 2010-12-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
BR0305555A (pt) 2002-07-16 2004-09-28 Koninkl Philips Electronics Nv Método e codificador para codificar um sinal de áudio, aparelho para fornecimento de um sinal de áudio, sinal de áudio codificado, meio de armazenamento, e, método e decodificador para decodificar um sinal de áudio codificado
SG108862A1 (en) * 2002-07-24 2005-02-28 St Microelectronics Asia Method and system for parametric characterization of transient audio signals
AU2003274617A1 (en) 2002-11-29 2004-06-23 Koninklijke Philips Electronics N.V. Audio coding
EP1649453B1 (de) 2003-07-18 2009-03-11 Koninklijke Philips Electronics N.V. Audiocodierung mit niedriger bitrate
CN1846253B (zh) 2003-09-05 2010-06-16 皇家飞利浦电子股份有限公司 低比特率音频编码
KR20060131729A (ko) * 2003-09-09 2006-12-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 과도 오디오 신호 성분들의 인코딩
ATE452401T1 (de) 2003-10-13 2010-01-15 Koninkl Philips Electronics Nv Audiocodierung
KR20060131766A (ko) * 2003-12-01 2006-12-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
CA3026267C (en) 2004-03-01 2019-04-16 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques and differentially coded parameters
US7587313B2 (en) 2004-03-17 2009-09-08 Koninklijke Philips Electronics N.V. Audio coding
CN1965352B (zh) * 2004-06-08 2011-05-25 皇家飞利浦电子股份有限公司 音频编码
JP4318119B2 (ja) * 2004-06-18 2009-08-19 国立大学法人京都大学 音響信号処理方法、音響信号処理装置、音響信号処理システム及びコンピュータプログラム
US20090106030A1 (en) * 2004-11-09 2009-04-23 Koninklijke Philips Electronics, N.V. Method of signal encoding
US20090070118A1 (en) * 2004-11-09 2009-03-12 Koninklijke Philips Electronics, N.V. Audio coding and decoding
US20090281813A1 (en) * 2006-06-29 2009-11-12 Nxp B.V. Noise synthesis
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
KR20090008611A (ko) * 2007-07-18 2009-01-22 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치
KR101441897B1 (ko) * 2008-01-31 2014-09-23 삼성전자주식회사 잔차 신호 부호화 방법 및 장치와 잔차 신호 복호화 방법및 장치
US9111525B1 (en) * 2008-02-14 2015-08-18 Foundation for Research and Technology—Hellas (FORTH) Institute of Computer Science (ICS) Apparatuses, methods and systems for audio processing and transmission
CN101770776B (zh) * 2008-12-29 2011-06-08 华为技术有限公司 瞬态信号的编码方法和装置、解码方法和装置及处理系统
US9055374B2 (en) * 2009-06-24 2015-06-09 Arizona Board Of Regents For And On Behalf Of Arizona State University Method and system for determining an auditory pattern of an audio segment
CN102419977B (zh) * 2011-01-14 2013-10-02 展讯通信（上海）有限公司 瞬态音频信号的判别方法
EP3382700A1 (de) * 2017-03-31 2018-10-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und verfahren zur nachbearbeitung eines audiosignals mit transienten-positionserkennung

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JPH01165000A (ja) * 1987-12-21 1989-06-29 Sony Corp 音韻区間情報形成装置
JPH02226300A (ja) * 1989-02-28 1990-09-07 Sony Corp 音韻区間情報形成装置
DK46493D0 (da) * 1993-04-22 1993-04-22 Frank Uldall Leonhard Metode for signalbehandling til bestemmelse af transientforhold i auditive signaler
CA2168327C (en) 1995-01-30 2000-04-11 Shinichi Kikuchi A recording medium on which a data containing navigation data is recorded, a method and apparatus for reproducing a data according to navigationdata, a method and apparatus for recording a data containing navigation data on a recording medium.
JP3266819B2 (ja) * 1996-07-30 2002-03-18 株式会社エイ・ティ・アール人間情報通信研究所 周期信号変換方法、音変換方法および信号分析方法
GB2318029B (en) * 1996-10-01 2000-11-08 Nokia Mobile Phones Ltd Audio coding method and apparatus
JPH10282995A (ja) * 1997-04-01 1998-10-23 Matsushita Electric Ind Co Ltd 欠落音声補間符号化方法、欠落音声補間符号化装置、及び記録媒体
SE512719C2 (sv) * 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
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
US7003449B1 (en) * 1999-10-30 2006-02-21 Stmicroelectronics Asia Pacific Pte Ltd. Method of encoding an audio signal using a quality value for bit allocation
KR100780561B1 (ko) * 2000-03-15 2007-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 라게르 함수를 이용한 오디오 코딩 장치 및 방법

Also Published As

Publication number Publication date
DE60129771D1 (de) 2007-09-20
KR100780561B1 (ko) 2007-11-29
KR20010113950A (ko) 2001-12-28
US7499852B2 (en) 2009-03-03
WO2001069593A1 (en) 2001-09-20
JP4803938B2 (ja) 2011-10-26
US20050187760A1 (en) 2005-08-25
EP1190415A1 (de) 2002-03-27
US6925434B2 (en) 2005-08-02
US20010032087A1 (en) 2001-10-18
DE60129771T2 (de) 2008-04-30
CN1154975C (zh) 2004-06-23
EP1190415B1 (de) 2007-08-08
JP2003527632A (ja) 2003-09-16
ES2292581T3 (es) 2008-03-16
CN1364290A (zh) 2002-08-14

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