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DE602004021266D1 - Kodier- und dekodierapparat - Google Patents

Kodier- und dekodierapparat

Info

Publication number
DE602004021266D1
DE602004021266D1 DE602004021266T DE602004021266T DE602004021266D1 DE 602004021266 D1 DE602004021266 D1 DE 602004021266D1 DE 602004021266 T DE602004021266 T DE 602004021266T DE 602004021266 T DE602004021266 T DE 602004021266T DE 602004021266 D1 DE602004021266 D1 DE 602004021266D1
Authority
DE
Germany
Prior art keywords
coding
decoding apparatus
decoding
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
DE602004021266T
Other languages
English (en)
Inventor
Masahiro Oshikiri
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.)
Panasonic Corp
Original Assignee
Panasonic Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34308695&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602004021266(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Panasonic Corp filed Critical Panasonic Corp
Publication of DE602004021266D1 publication Critical patent/DE602004021266D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
    • 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
    • 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
    • G10L19/0204—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 using subband decomposition
    • G10L19/0208—Subband vocoders
    • 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
    • G10L19/04—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 predictive techniques
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/09—Long term prediction, i.e. removing periodical redundancies, e.g. by using adaptive codebook or pitch predictor

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Closures For Containers (AREA)
DE602004021266T 2003-09-16 2004-09-15 Kodier- und dekodierapparat Expired - Lifetime DE602004021266D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003323658 2003-09-16
PCT/JP2004/013455 WO2005027095A1 (ja) 2003-09-16 2004-09-15 符号化装置および復号化装置

Publications (1)

Publication Number Publication Date
DE602004021266D1 true DE602004021266D1 (de) 2009-07-09

Family

ID=34308695

Family Applications (2)

Application Number Title Priority Date Filing Date
DE602004021266T Expired - Lifetime DE602004021266D1 (de) 2003-09-16 2004-09-15 Kodier- und dekodierapparat
DE602004032587T Expired - Lifetime DE602004032587D1 (de) 2003-09-16 2004-09-15 Codierungsvorrichtung und Decodierungsvorrichtung

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE602004032587T Expired - Lifetime DE602004032587D1 (de) 2003-09-16 2004-09-15 Codierungsvorrichtung und Decodierungsvorrichtung

Country Status (6)

Country Link
EP (3) EP2071565B1 (de)
JP (2) JP4789622B2 (de)
CN (3) CN101800049B (de)
BR (1) BRPI0414444B1 (de)
DE (2) DE602004021266D1 (de)
WO (1) WO2005027095A1 (de)

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FR2889526B1 (fr) 2005-08-04 2012-02-17 Aventis Pharma Sa 7-aza-indazoles substitues, compositions les contenant, procede de fabrication et utilisation
JP5171256B2 (ja) * 2005-08-31 2013-03-27 パナソニック株式会社 ステレオ符号化装置、ステレオ復号装置、及びステレオ符号化方法
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101379263B1 (ko) * 2007-01-12 2014-03-28 삼성전자주식회사 대역폭 확장 복호화 방법 및 장치
JP4708446B2 (ja) * 2007-03-02 2011-06-22 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
JP5294713B2 (ja) * 2007-03-02 2013-09-18 パナソニック株式会社 符号化装置、復号装置およびそれらの方法
JPWO2009084221A1 (ja) * 2007-12-27 2011-05-12 パナソニック株式会社 符号化装置、復号装置およびこれらの方法
CN101552005A (zh) * 2008-04-03 2009-10-07 华为技术有限公司 编码方法、解码方法、系统及装置
CN101662288B (zh) * 2008-08-28 2012-07-04 华为技术有限公司 音频编码、解码方法及装置、系统
HUE064775T2 (hu) 2008-12-15 2024-04-28 Fraunhofer Ges Forschung Audió sávszélesség kiterjesztés dekódoló, megfelelõ eljárás és számítógépi program
CN101436407B (zh) * 2008-12-22 2011-08-24 西安电子科技大学 音频编解码方法
EP3992966B1 (de) 2009-01-16 2022-11-23 Dolby International AB Produktübergreifende, erweiterte und harmonische transposition
JP5707842B2 (ja) * 2010-10-15 2015-04-30 ソニー株式会社 符号化装置および方法、復号装置および方法、並びにプログラム
CN106847295B (zh) 2011-09-09 2021-03-23 松下电器（美国）知识产权公司 编码装置和编码方法
ES2836194T3 (es) 2013-06-11 2021-06-24 Fraunhofer Ges Forschung Dispositivo y procedimiento para la extensión de ancho de banda para señales acústicas
CN105761723B (zh) * 2013-09-26 2019-01-15 华为技术有限公司 一种高频激励信号预测方法及装置
WO2016013164A1 (ja) * 2014-07-25 2016-01-28 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ 音響信号符号化装置、音響信号復号装置、音響信号符号化方法および音響信号復号方法
PT3174050T (pt) * 2014-07-25 2019-02-04 Fraunhofer Ges Forschung Aparelho de codificação de sinal de áudio, dispositivo de descodificação de sinal de áudio, e seus métodos
EP2980797A1 (de) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiodecodierer, Verfahren und Computerprogramm mit Zero-Input-Response zur Erzeugung eines sanften Übergangs
WO2020084170A1 (en) * 2018-10-26 2020-04-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Directional loudness map based audio processing

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0685607A (ja) * 1992-08-31 1994-03-25 Alpine Electron Inc 高域成分復元装置
JP3483958B2 (ja) * 1994-10-28 2004-01-06 三菱電機株式会社 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法
JP3283413B2 (ja) * 1995-11-30 2002-05-20 株式会社日立製作所 符号化復号方法、符号化装置および復号装置
JP3243174B2 (ja) * 1996-03-21 2002-01-07 株式会社日立国際電気 狭帯域音声信号の周波数帯域拡張回路
SE512719C2 (sv) 1997-06-10 2000-05-02 Lars Gustaf Liljeryd En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion
JP3539165B2 (ja) * 1997-11-12 2004-07-07 日本ビクター株式会社 符号情報処理方法及び装置、符号情報の記録媒体への記録方法
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
SE9903553D0 (sv) * 1999-01-27 1999-10-01 Lars Liljeryd Enhancing percepptual performance of SBR and related coding methods by adaptive noise addition (ANA) and noise substitution limiting (NSL)
US6978236B1 (en) * 1999-10-01 2005-12-20 Coding Technologies Ab Efficient spectral envelope coding using variable time/frequency resolution and time/frequency switching
JP3881836B2 (ja) * 2000-10-24 2007-02-14 株式会社ケンウッド 周波数補間装置、周波数補間方法及び記録媒体
SE0004163D0 (sv) * 2000-11-14 2000-11-14 Coding Technologies Sweden Ab Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering
JP3887531B2 (ja) * 2000-12-07 2007-02-28 株式会社ケンウッド 信号補間装置、信号補間方法及び記録媒体
SE0101175D0 (sv) * 2001-04-02 2001-04-02 Coding Technologies Sweden Ab Aliasing reduction using complex-exponential-modulated filterbanks
JP2003108197A (ja) * 2001-07-13 2003-04-11 Matsushita Electric Ind Co Ltd オーディオ信号復号化装置およびオーディオ信号符号化装置
MXPA03002115A (es) * 2001-07-13 2003-08-26 Matsushita Electric Ind Co Ltd DISPOSITIVO DE DECODIFICACION Y CODIFICACION DE SEnAL DE AUDIO.
JP2003044098A (ja) * 2001-07-26 2003-02-14 Nec Corp 音声帯域拡張装置及び音声帯域拡張方法
KR100935961B1 (ko) * 2001-11-14 2010-01-08 파나소닉 주식회사 부호화 장치 및 복호화 장치
JP3926726B2 (ja) * 2001-11-14 2007-06-06 松下電器産業株式会社 符号化装置および復号化装置
JP2003323658A (ja) 2002-05-07 2003-11-14 Fujitsu Ltd 可動壁付き紙幣収納装置，可動壁制御方法および紙幣入出金機

Also Published As

Publication number Publication date
EP1657710A1 (de) 2006-05-17
CN101783141A (zh) 2010-07-21
CN101800049B (zh) 2012-05-23
EP2264700A1 (de) 2010-12-22
BRPI0414444B1 (pt) 2020-05-05
EP2071565B1 (de) 2011-05-04
WO2005027095A1 (ja) 2005-03-24
BRPI0414444A (pt) 2006-11-14
JPWO2005027095A1 (ja) 2007-11-08
JP2011039553A (ja) 2011-02-24
JP5171922B2 (ja) 2013-03-27
CN101783141B (zh) 2012-06-20
EP2071565A3 (de) 2009-07-08
EP1657710B1 (de) 2009-05-27
JP4789622B2 (ja) 2011-10-12
CN101800049A (zh) 2010-08-11
CN100590712C (zh) 2010-02-17
EP1657710A4 (de) 2007-10-31
CN1849648A (zh) 2006-10-18
DE602004032587D1 (de) 2011-06-16
EP2071565A2 (de) 2009-06-17

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Legal Events

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