DE69526904D1 - Vorrichtung und Verfahren zur Sprachkodierung und -dekodierung sowie Vorrichtung zum Extrahieren einer Phasen-Amplituden-Charakteristik - Google Patents

Vorrichtung und Verfahren zur Sprachkodierung und -dekodierung sowie Vorrichtung zum Extrahieren einer Phasen-Amplituden-Charakteristik

Info

Publication number
DE69526904D1
DE69526904D1 DE69526904T DE69526904T DE69526904D1 DE 69526904 D1 DE69526904 D1 DE 69526904D1 DE 69526904 T DE69526904 T DE 69526904T DE 69526904 T DE69526904 T DE 69526904T DE 69526904 D1 DE69526904 D1 DE 69526904D1
Authority
DE
Germany
Prior art keywords
decoding
extracting
phase
speech coding
amplitude characteristic
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
DE69526904T
Other languages
English (en)
Inventor
Tadashi Yamaura
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 DE69526904D1 publication Critical patent/DE69526904D1/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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • 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
    • G10L13/00—Speech synthesis; Text to speech systems
    • 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)
  • Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
DE69526904T 1994-10-28 1995-10-17 Vorrichtung und Verfahren zur Sprachkodierung und -dekodierung sowie Vorrichtung zum Extrahieren einer Phasen-Amplituden-Charakteristik Expired - Lifetime DE69526904D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6264832A JPH08123494A (ja) 1994-10-28 1994-10-28 音声符号化装置、音声復号化装置、音声符号化復号化方法およびこれらに使用可能な位相振幅特性導出装置

Publications (1)

Publication Number Publication Date
DE69526904D1 true DE69526904D1 (de) 2002-07-11

Family

ID=17408833

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69526904T Expired - Lifetime DE69526904D1 (de) 1994-10-28 1995-10-17 Vorrichtung und Verfahren zur Sprachkodierung und -dekodierung sowie Vorrichtung zum Extrahieren einer Phasen-Amplituden-Charakteristik

Country Status (8)

Country Link
US (1) US5724480A (de)
EP (1) EP0709827B1 (de)
JP (1) JPH08123494A (de)
KR (1) KR0169020B1 (de)
CN (1) CN1126869A (de)
CA (1) CA2160749C (de)
DE (1) DE69526904D1 (de)
TW (1) TW289885B (de)

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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
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US6029125A (en) * 1997-09-02 2000-02-22 Telefonaktiebolaget L M Ericsson, (Publ) Reducing sparseness in coded speech signals
EP1267330B1 (de) * 1997-09-02 2005-01-19 Telefonaktiebolaget LM Ericsson (publ) Erhöhung der Dichte von kodierten Sprachsignalen
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JP3351746B2 (ja) * 1997-10-03 2002-12-03 松下電器産業株式会社 オーディオ信号圧縮方法、オーディオ信号圧縮装置、音声信号圧縮方法、音声信号圧縮装置，音声認識方法および音声認識装置
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US7194141B1 (en) * 2002-03-20 2007-03-20 Ess Technology, Inc. Image resolution conversion using pixel dropping
KR20060067016A (ko) 2004-12-14 2006-06-19 엘지전자 주식회사 음성 부호화 장치 및 방법
WO2006126856A2 (en) 2005-05-26 2006-11-30 Lg Electronics Inc. Method of encoding and 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
EP1905002B1 (de) 2005-05-26 2013-05-22 LG Electronics Inc. Verfahren und vorrichtung zum decodieren von audiosignalen
EP1946294A2 (de) 2005-06-30 2008-07-23 LG Electronics Inc. Vorrichtung zum codieren und decodieren von audiosignalen und verfahren dafür
MX2008000122A (es) 2005-06-30 2008-03-18 Lg Electronics Inc Metodo y aparato para codificar y descodificar una senal de audio.
US8494667B2 (en) 2005-06-30 2013-07-23 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
KR100880642B1 (ko) 2005-08-30 2009-01-30 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
JP5108768B2 (ja) 2005-08-30 2012-12-26 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
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KR100857111B1 (ko) 2005-10-05 2008-09-08 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
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
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
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
US7840401B2 (en) 2005-10-24 2010-11-23 Lg Electronics Inc. Removing time delays in signal paths
EP1974348B1 (de) 2006-01-19 2013-07-24 LG Electronics, Inc. Verfahren und vorrichtung zur verarbeitung eines mediensignals
KR101366291B1 (ko) 2006-01-19 2014-02-21 엘지전자 주식회사 신호 디코딩 방법 및 장치
KR20080093024A (ko) 2006-02-07 2008-10-17 엘지전자 주식회사 부호화/복호화 장치 및 방법
ES2407820T3 (es) 2006-02-23 2013-06-14 Lg Electronics Inc. Método y aparato para procesar una señal de audio
JP5032463B2 (ja) * 2006-03-17 2012-09-26 パイオニア株式会社 立体音響再生装置及び立体音響再生用プログラム
JP2009532712A (ja) 2006-03-30 2009-09-10 エルジー エレクトロニクス インコーポレイティド メディア信号処理方法及び装置
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
US8645129B2 (en) * 2008-05-12 2014-02-04 Broadcom Corporation Integrated speech intelligibility enhancement system and acoustic echo canceller
US9197181B2 (en) * 2008-05-12 2015-11-24 Broadcom Corporation Loudness enhancement system and method

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US5067158A (en) * 1985-06-11 1991-11-19 Texas Instruments Incorporated Linear predictive residual representation via non-iterative spectral reconstruction
DE3683767D1 (de) * 1986-04-30 1992-03-12 Ibm Sprachkodierungsverfahren und einrichtung zur ausfuehrung dieses verfahrens.
CA1328509C (en) * 1988-03-28 1994-04-12 Tetsu Taguchi Linear predictive speech analysis-synthesis apparatus
US5293448A (en) * 1989-10-02 1994-03-08 Nippon Telegraph And Telephone Corporation Speech analysis-synthesis method and apparatus therefor
SE463691B (sv) * 1989-05-11 1991-01-07 Ericsson Telefon Ab L M Foerfarande att utplacera excitationspulser foer en lineaerprediktiv kodare (lpc) som arbetar enligt multipulsprincipen

Also Published As

Publication number Publication date
JPH08123494A (ja) 1996-05-17
EP0709827A3 (de) 1997-12-29
US5724480A (en) 1998-03-03
KR960015379A (ko) 1996-05-22
EP0709827A2 (de) 1996-05-01
CN1126869A (zh) 1996-07-17
CA2160749C (en) 2000-06-27
EP0709827B1 (de) 2002-06-05
CA2160749A1 (en) 1996-04-29
KR0169020B1 (ko) 1999-03-20
TW289885B (de) 1996-11-01

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