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
ATE369600T1 (de) * 2000-03-15 2007-08-15 Koninkl Philips Electronics Nv Laguerre funktion für audiokodierung
ATE334556T1 (de) * 2001-04-18 2006-08-15 Koninkl Philips Electronics Nv Audiokodierung mit partieller enkryption
CN1237507C (zh) * 2001-06-08 2006-01-18 皇家菲利浦电子有限公司 音频信号的编辑
WO2003036620A1 (en) * 2001-10-26 2003-05-01 Koninklijke Philips Electronics N.V. Tracking of sinusoidal parameters in an audio coder
RU2325046C2 (ru) 2002-07-16 2008-05-20 Конинклейке Филипс Электроникс Н.В. Аудиокодирование
US7516066B2 (en) 2002-07-16 2009-04-07 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
PL376861A1 (pl) * 2002-11-29 2006-01-09 Koninklijke Philips Electronics N.V. Kodowanie sygnału audio
JP4782006B2 (ja) * 2003-07-18 2011-09-28 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 低ビットレートオーディオ符号化
WO2005024783A1 (en) 2003-09-05 2005-03-17 Koninklijke Philips Electronics N.V. Low bit-rate audio encoding
US20070033014A1 (en) * 2003-09-09 2007-02-08 Koninklijke Philips Electronics N.V. Encoding of transient audio signal components
WO2005036529A1 (en) 2003-10-13 2005-04-21 Koninklijke Philips Electronics N.V. Audio encoding
US20070106505A1 (en) * 2003-12-01 2007-05-10 Koninkijkle Phillips Electronics N.V. Audio coding
CA2992065C (en) 2004-03-01 2018-11-20 Dolby Laboratories Licensing Corporation Reconstructing audio signals with multiple decorrelation techniques
WO2005091275A1 (en) 2004-03-17 2005-09-29 Koninklijke Philips Electronics N.V. Audio coding
ATE378676T1 (de) * 2004-06-08 2007-11-15 Koninkl Philips Electronics Nv 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
CN101167128A (zh) * 2004-11-09 2008-04-23 皇家飞利浦电子股份有限公司 音频编码和解码
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

Family Cites Families (12)

* 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
WO2001033555A1 (en) * 1999-10-30 2001-05-10 Stmicroelectronics Asia Pacific Pte. Ltd. Method of encoding an audio signal using a quality value for bit allocation
ATE369600T1 (de) * 2000-03-15 2007-08-15 Koninkl Philips Electronics Nv Laguerre funktion für audiokodierung

Also Published As

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

Similar Documents

Publication Publication Date Title
DE60129771D1 (de) Laguerre funktion für audiokodierung
WO2000017859A8 (en) Noise suppression for low bitrate speech coder
WO2002021316A3 (en) Mechanism and method for continuous operation of a rule server
WO2002039887A3 (en) Devices and methods for cervix measurement
WO2002033541A3 (en) Dynamically determining appropriate computer interfaces
CA2325158A1 (en) Core computer with clock down feature
WO2003099843A3 (en) Peptide derivatives, and their use for the synthesis of silicon-based composite materials
WO2002044699A3 (de) Verfahren und vorrichtung zur bestimmung von eigenschaften einer integrierten schaltung
BR0317092A (pt) Chamada internacional para redes sem fio
AU2002213363A1 (en) Method for the oxidation of aldehydes, hemiacetals and primary alcohols
EP1102238A3 (de) Vorrichtung zur Bereitstellung von Information mit Musiktoneffekt
WO2004096501A3 (en) Method and system for motion improvement
ATE225553T1 (de) Vorrichtung zur signal-rauschverhältnismessung in einem sprachsignal
AU2003269418A1 (en) Method for operating a speech recognition system
NO20011903D0 (no) Partikler
DE60329709D1 (de) Rprogramm-hörgerät
ATE472136T1 (de) Vorrichtung und verfahren zur bussignalabschluss- kompensation während erfassten ruhe zyklus
WO2001084357A3 (en) Cluster and pruning-based language model compression
WO2002027662A3 (en) System and method for processing layout of graphical objects with elastic properties
WO2002046687A3 (en) Overmolded body initiator and method of making
WO2004072794A3 (en) Systems and methods for contextual mark-up of formatted documents
WO2002043054A3 (en) Estimation of the spectral power distribution of a speech signal
ATE386598T1 (de) Verfahren zur herstellung einer durchsetzfügeverbindung
ATE311043T1 (de) Soft-normalisierer für einen kanaldekoder
EP1517300A3 (de) Vorrichtung und Verfahren zur Kodierung von Audiodaten

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties