DE60129771D1 - Laguerre funktion für audiokodierung - Google Patents

Laguerre funktion für audiokodierung

Info

Publication number
DE60129771D1
DE60129771D1 DE60129771T DE60129771T DE60129771D1 DE 60129771 D1 DE60129771 D1 DE 60129771D1 DE 60129771 T DE60129771 T DE 60129771T DE 60129771 T DE60129771 T DE 60129771T DE 60129771 D1 DE60129771 D1 DE 60129771D1
Authority
DE
Germany
Prior art keywords
audio coding
signal component
shape function
transient signal
function
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.)
Expired - Lifetime
Application number
DE60129771T
Other languages
English (en)
Other versions
DE60129771T2 (de
Inventor
Arnoldus W Oomen
Brinker Albertus C Den
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke Philips NV
Original Assignee
Koninklijke 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 Koninklijke Philips Electronics NV filed Critical Koninklijke Philips Electronics NV
Publication of DE60129771D1 publication Critical patent/DE60129771D1/de
Application granted granted Critical
Publication of DE60129771T2 publication Critical patent/DE60129771T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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 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

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)
  • Reverberation, Karaoke And Other Acoustics (AREA)
  • Cereal-Derived Products (AREA)
  • Stereophonic System (AREA)
DE60129771T 2000-03-15 2001-03-05 Laguerre funktion für audiokodierung Expired - Lifetime DE60129771T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP00200939 2000-03-15
EP00200939 2000-03-15
PCT/EP2001/002424 WO2001069593A1 (en) 2000-03-15 2001-03-05 Laguerre fonction for audio coding

Publications (2)

Publication Number Publication Date
DE60129771D1 true DE60129771D1 (de) 2007-09-20
DE60129771T2 DE60129771T2 (de) 2008-04-30

Family

ID=8171205

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60129771T Expired - Lifetime DE60129771T2 (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
WO2001069593A1 (en) * 2000-03-15 2001-09-20 Koninklijke Philips Electronics N.V. Laguerre fonction for audio coding
KR100927842B1 (ko) * 2001-04-18 2009-11-23 아이피지 일렉트로닉스 503 리미티드 오디오 신호를 인코딩하고 디코딩하는 방법, 오디오 코더, 오디오 플레이어, 그러한 오디오 코더와 그러한 오디오 플레이어를 포함하는 오디오 시스템 및 오디오 스트림을 저장하기 위한 저장 매체
KR100852613B1 (ko) * 2001-06-08 2008-08-18 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 신호들의 편집
CN1319043C (zh) * 2001-10-26 2007-05-30 皇家飞利浦电子股份有限公司 用于编码和解码音频信号的方法与设备以及包括这样的设备的系统
KR20050021484A (ko) 2002-07-16 2005-03-07 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩
WO2004008437A2 (en) 2002-07-16 2004-01-22 Koninklijke Philips Electronics N.V. Audio coding
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
WO2005008628A1 (en) 2003-07-18 2005-01-27 Koninklijke Philips Electronics N.V. Low bit-rate audio encoding
WO2005024783A1 (en) 2003-09-05 2005-03-17 Koninklijke Philips Electronics N.V. Low bit-rate audio encoding
KR20060131729A (ko) * 2003-09-09 2006-12-20 코닌클리케 필립스 일렉트로닉스 엔.브이. 과도 오디오 신호 성분들의 인코딩
DE602004024703D1 (de) 2003-10-13 2010-01-28 Koninkl Philips Electronics Nv Audiocodierung
EP1692688A1 (de) * 2003-12-01 2006-08-23 Koninklijke Philips Electronics N.V. Audiocodierung
ATE390683T1 (de) 2004-03-01 2008-04-15 Dolby Lab Licensing Corp Mehrkanalige audiocodierung
CN1934619B (zh) 2004-03-17 2010-05-26 皇家飞利浦电子股份有限公司 音频编码
EP1756807B1 (de) * 2004-06-08 2007-11-14 Koninklijke Philips Electronics N.V. Audiokodierung
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
KR20070109982A (ko) * 2004-11-09 2007-11-15 코닌클리케 필립스 일렉트로닉스 엔.브이. 오디오 코딩 및 디코딩
JP2010513940A (ja) * 2006-06-29 2010-04-30 エヌエックスピー ビー ヴィ ノイズ合成
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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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
WO2001069593A1 (en) * 2000-03-15 2001-09-20 Koninklijke Philips Electronics N.V. Laguerre fonction for audio coding

Also Published As

Publication number Publication date
US20010032087A1 (en) 2001-10-18
US7499852B2 (en) 2009-03-03
US6925434B2 (en) 2005-08-02
KR20010113950A (ko) 2001-12-28
EP1190415B1 (de) 2007-08-08
ATE369600T1 (de) 2007-08-15
EP1190415A1 (de) 2002-03-27
ES2292581T3 (es) 2008-03-16
CN1154975C (zh) 2004-06-23
JP2003527632A (ja) 2003-09-16
US20050187760A1 (en) 2005-08-25
JP4803938B2 (ja) 2011-10-26
WO2001069593A1 (en) 2001-09-20
KR100780561B1 (ko) 2007-11-29
DE60129771T2 (de) 2008-04-30
CN1364290A (zh) 2002-08-14

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