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)

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* Cited by examiner, † Cited by third party
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KR100780561B1 (ko) * 2000-03-15 2007-11-29 코닌클리케 필립스 일렉트로닉스 엔.브이. 라게르 함수를 이용한 오디오 코딩 장치 및 방법
CN1274153C (zh) * 2001-04-18 2006-09-06 皇家菲利浦电子有限公司 部分加密的声频编码
DE60206269T2 (de) * 2001-06-08 2006-06-29 Koninklijke Philips Electronics N.V. Editieren von audiosignalen
EP1446796A1 (de) * 2001-10-26 2004-08-18 Koninklijke Philips Electronics N.V. Verfolgung von sinus-parametern in einem audiokodierer
WO2004008806A1 (en) 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
EP1527441B1 (de) 2002-07-16 2017-09-06 Koninklijke Philips N.V. Audiokodierung
SG108862A1 (en) * 2002-07-24 2005-02-28 St Microelectronics Asia Method and system for parametric characterization of transient audio signals
MXPA05005601A (es) * 2002-11-29 2005-07-26 Koninklije Philips Electronics Codificacion de audio.
BRPI0412717A (pt) * 2003-07-18 2006-09-26 Koninkl Philips Electronics Nv métodos para codificar um sinal e para decodificar um fluxo de áudio, codoficador de áudio, reprodutor de áudio, sistema de áudio, fluxo de áudio, e, meio de armazenagem
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
US20070033014A1 (en) * 2003-09-09 2007-02-08 Koninklijke Philips Electronics N.V. Encoding of transient audio signal components
ES2337903T3 (es) 2003-10-13 2010-04-30 Koninklijke Philips Electronics N.V. Codificacion de audio.
WO2005055204A1 (en) * 2003-12-01 2005-06-16 Koninklijke Philips Electronics N.V. Audio coding
ATE390683T1 (de) * 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
JP4355745B2 (ja) 2004-03-17 2009-11-04 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ符号化
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
JP2008519991A (ja) * 2004-11-09 2008-06-12 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 音声の符号化及び復号化
WO2006051446A2 (en) * 2004-11-09 2006-05-18 Koninklijke Philips Electronics N.V. Method of signal encoding
EP2038884A2 (de) * 2006-06-29 2009-03-25 Nxp B.V. Geräuschsynthese
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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WO1986003873A1 (en) * 1984-12-20 1986-07-03 Gte Laboratories Incorporated Method and apparatus for encoding speech
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
DE69932861T2 (de) * 1999-10-30 2007-03-15 Stmicroelectronics Asia Pacific Pte Ltd. Verfahren zur kodierung eines audiosignals mit einem qualitätswert für bit-zuordnung
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
CN1154975C (zh) 2004-06-23
US20050187760A1 (en) 2005-08-25
EP1190415B1 (de) 2007-08-08
JP4803938B2 (ja) 2011-10-26
US20010032087A1 (en) 2001-10-18
ES2292581T3 (es) 2008-03-16
KR100780561B1 (ko) 2007-11-29
DE60129771T2 (de) 2008-04-30
KR20010113950A (ko) 2001-12-28
US6925434B2 (en) 2005-08-02
US7499852B2 (en) 2009-03-03
CN1364290A (zh) 2002-08-14
WO2001069593A1 (en) 2001-09-20
EP1190415A1 (de) 2002-03-27
JP2003527632A (ja) 2003-09-16

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