DE60201766D1 - Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierung - Google Patents

Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierung

Info

Publication number
DE60201766D1
DE60201766D1 DE60201766T DE60201766T DE60201766D1 DE 60201766 D1 DE60201766 D1 DE 60201766D1 DE 60201766 T DE60201766 T DE 60201766T DE 60201766 T DE60201766 T DE 60201766T DE 60201766 D1 DE60201766 D1 DE 60201766D1
Authority
DE
Germany
Prior art keywords
periodicity
decoding
improving
speech coding
celp excitation
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
DE60201766T
Other languages
English (en)
Other versions
DE60201766T2 (de
Inventor
Tadashi Yamaura
Hirohisa Tasaki
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Application granted granted Critical
Publication of DE60201766D1 publication Critical patent/DE60201766D1/de
Publication of DE60201766T2 publication Critical patent/DE60201766T2/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
    • 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
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L2019/0001—Codebooks
    • G10L2019/0007—Codebook element generation

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE60201766T 2001-03-09 2002-02-28 Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierung Expired - Lifetime DE60201766T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2001067631A JP3566220B2 (ja) 2001-03-09 2001-03-09 音声符号化装置、音声符号化方法、音声復号化装置及び音声復号化方法
JP2001067631 2001-03-09

Publications (2)

Publication Number Publication Date
DE60201766D1 true DE60201766D1 (de) 2004-12-09
DE60201766T2 DE60201766T2 (de) 2005-12-01

Family

ID=18925954

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60201766T Expired - Lifetime DE60201766T2 (de) 2001-03-09 2002-02-28 Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierung

Country Status (7)

Country Link
US (1) US7006966B2 (de)
EP (1) EP1239464B1 (de)
JP (1) JP3566220B2 (de)
CN (1) CN1172294C (de)
DE (1) DE60201766T2 (de)
IL (1) IL148413A0 (de)
TW (1) TW550541B (de)

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WO2005020210A2 (en) * 2003-08-26 2005-03-03 Sarnoff Corporation Method and apparatus for adaptive variable bit rate audio encoding
US7329383B2 (en) 2003-10-22 2008-02-12 Boston Scientific Scimed, Inc. Alloy compositions and devices including the compositions
WO2006126859A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method of encoding and decoding an audio signal
US8917874B2 (en) 2005-05-26 2014-12-23 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988716B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
JP2009500657A (ja) 2005-06-30 2009-01-08 エルジー エレクトロニクス インコーポレイティド オーディオ信号をエンコーディング及びデコーディングするための装置とその方法
EP1946294A2 (de) 2005-06-30 2008-07-23 LG Electronics Inc. Vorrichtung zum codieren und decodieren von audiosignalen und verfahren dafür
AU2006266579B2 (en) 2005-06-30 2009-10-22 Lg Electronics Inc. Method and apparatus for encoding and decoding an audio signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
AU2006285538B2 (en) 2005-08-30 2011-03-24 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US7987097B2 (en) 2005-08-30 2011-07-26 Lg Electronics Method for decoding an audio signal
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
KR100857106B1 (ko) 2005-09-14 2008-09-08 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
EP1946302A4 (de) 2005-10-05 2009-08-19 Lg Electronics Inc Verfahren und vorrichtung zur signalverarbeitung und codierungs- und decodierungsverfahren und vorrichtung dafür
US7696907B2 (en) 2005-10-05 2010-04-13 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
US7751485B2 (en) 2005-10-05 2010-07-06 Lg Electronics Inc. Signal processing using pilot based coding
US7646319B2 (en) 2005-10-05 2010-01-12 Lg Electronics Inc. Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor
KR100857115B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US8068569B2 (en) 2005-10-05 2011-11-29 Lg Electronics, Inc. Method and apparatus for signal processing and encoding and decoding
US7716043B2 (en) 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
JP4806031B2 (ja) 2006-01-19 2011-11-02 エルジー エレクトロニクス インコーポレイティド メディア信号の処理方法及び装置
JP5147727B2 (ja) 2006-01-19 2013-02-20 エルジー エレクトロニクス インコーポレイティド 信号デコーディング方法及び装置
KR100983286B1 (ko) 2006-02-07 2010-09-24 엘지전자 주식회사 부호화/복호화 장치 및 방법
KR100904439B1 (ko) 2006-02-23 2009-06-26 엘지전자 주식회사 오디오 신호의 처리 방법 및 장치
TWI483619B (zh) 2006-03-30 2015-05-01 Lg Electronics Inc 一種媒體訊號的編碼/解碼方法及其裝置
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
US7780798B2 (en) 2006-10-13 2010-08-24 Boston Scientific Scimed, Inc. Medical devices including hardened alloys
JP5164970B2 (ja) * 2007-03-02 2013-03-21 パナソニック株式会社 音声復号装置および音声復号方法
EP2224432B1 (de) * 2007-12-21 2017-03-15 Panasonic Intellectual Property Corporation of America Encoder, decoder und kodierungsverfahren
US9208798B2 (en) * 2012-04-09 2015-12-08 Board Of Regents, The University Of Texas System Dynamic control of voice codec data rate
US20140046670A1 (en) * 2012-06-04 2014-02-13 Samsung Electronics Co., Ltd. Audio encoding method and apparatus, audio decoding method and apparatus, and multimedia device employing the same
EP3742441B1 (de) * 2018-01-17 2023-04-12 Nippon Telegraph And Telephone Corporation Codierungsvorrichtung, decodierungsvorrichtung, frikativbestimmungsvorrichtung und verfahren und programm dafür
EP3742443B1 (de) * 2018-01-17 2022-08-03 Nippon Telegraph And Telephone Corporation Decodiervorrichtung, verfahren und programm dafür
JP6962269B2 (ja) * 2018-05-10 2021-11-05 日本電信電話株式会社 ピッチ強調装置、その方法、およびプログラム
JP6962268B2 (ja) * 2018-05-10 2021-11-05 日本電信電話株式会社 ピッチ強調装置、その方法、およびプログラム

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3192051B2 (ja) 1994-07-28 2001-07-23 日本電気株式会社 音声符号化装置
JP3328080B2 (ja) 1994-11-22 2002-09-24 沖電気工業株式会社 コード励振線形予測復号器
JP3206497B2 (ja) * 1997-06-16 2001-09-10 日本電気株式会社 インデックスによる信号生成型適応符号帳
EP1426925B1 (de) 1997-12-24 2006-08-02 Mitsubishi Denki Kabushiki Kaisha Audio Dekodierverfahren und -vorrichtung
JP4308345B2 (ja) 1998-08-21 2009-08-05 パナソニック株式会社 マルチモード音声符号化装置及び復号化装置
US6556966B1 (en) * 1998-08-24 2003-04-29 Conexant Systems, Inc. Codebook structure for changeable pulse multimode speech coding

Also Published As

Publication number Publication date
DE60201766T2 (de) 2005-12-01
EP1239464A2 (de) 2002-09-11
US7006966B2 (en) 2006-02-28
TW550541B (en) 2003-09-01
CN1375818A (zh) 2002-10-23
US20020128829A1 (en) 2002-09-12
JP2002268690A (ja) 2002-09-20
EP1239464B1 (de) 2004-11-03
EP1239464A3 (de) 2004-01-28
JP3566220B2 (ja) 2004-09-15
IL148413A0 (en) 2002-09-12
CN1172294C (zh) 2004-10-20

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