JPH08123494A - 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 - Google Patents

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

Info

Publication number
JPH08123494A
JPH08123494A JP6264832A JP26483294A JPH08123494A JP H08123494 A JPH08123494 A JP H08123494A JP 6264832 A JP6264832 A JP 6264832A JP 26483294 A JP26483294 A JP 26483294A JP H08123494 A JPH08123494 A JP H08123494A
Authority
JP
Japan
Prior art keywords
phase
excitation
amplitude characteristic
signal
speech
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.)
Pending
Application number
JP6264832A
Other languages
English (en)
Japanese (ja)
Inventor
Tadashi Yamaura
正 山浦
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
Priority to JP6264832A priority Critical patent/JPH08123494A/ja
Priority to TW084105913A priority patent/TW289885B/zh
Priority to DE69526904T priority patent/DE69526904D1/de
Priority to CA002160749A priority patent/CA2160749C/en
Priority to EP95116328A priority patent/EP0709827B1/en
Priority to US08/548,448 priority patent/US5724480A/en
Priority to KR1019950037299A priority patent/KR0169020B1/ko
Priority to CN95117681A priority patent/CN1126869A/zh
Publication of JPH08123494A publication Critical patent/JPH08123494A/ja
Pending 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)
JP6264832A 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 Pending JPH08123494A (ja)

Priority Applications (8)

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
TW084105913A TW289885B (cg-RX-API-DMAC7.html) 1994-10-28 1995-06-10
DE69526904T DE69526904D1 (de) 1994-10-28 1995-10-17 Vorrichtung und Verfahren zur Sprachkodierung und -dekodierung sowie Vorrichtung zum Extrahieren einer Phasen-Amplituden-Charakteristik
CA002160749A CA2160749C (en) 1994-10-28 1995-10-17 Speech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the method
EP95116328A EP0709827B1 (en) 1994-10-28 1995-10-17 Speech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the method
US08/548,448 US5724480A (en) 1994-10-28 1995-10-26 Speech coding apparatus, speech decoding apparatus, speech coding and decoding method and a phase amplitude characteristic extracting apparatus for carrying out the method
KR1019950037299A KR0169020B1 (ko) 1994-10-28 1995-10-26 음성부호화장치, 음성복호화장치, 음성부호화복호화방법 및 이들에 사용가능한 위상진폭특성 도출장치
CN95117681A CN1126869A (zh) 1994-10-28 1995-10-27 语音编码和解码设备及其方法

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
JPH08123494A true JPH08123494A (ja) 1996-05-17

Family

ID=17408833

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6264832A Pending 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

Country Status (8)

Country Link
US (1) US5724480A (cg-RX-API-DMAC7.html)
EP (1) EP0709827B1 (cg-RX-API-DMAC7.html)
JP (1) JPH08123494A (cg-RX-API-DMAC7.html)
KR (1) KR0169020B1 (cg-RX-API-DMAC7.html)
CN (1) CN1126869A (cg-RX-API-DMAC7.html)
CA (1) CA2160749C (cg-RX-API-DMAC7.html)
DE (1) DE69526904D1 (cg-RX-API-DMAC7.html)
TW (1) TW289885B (cg-RX-API-DMAC7.html)

Cited By (5)

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JPH11327600A (ja) * 1997-10-03 1999-11-26 Matsushita Electric Ind Co Ltd 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
US6385576B2 (en) 1997-12-24 2002-05-07 Kabushiki Kaisha Toshiba Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch
US6477490B2 (en) 1997-10-03 2002-11-05 Matsushita Electric Industrial Co., Ltd. Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus
US7603271B2 (en) 2004-12-14 2009-10-13 Lg Electronics Inc. Speech coding apparatus with perceptual weighting and method therefor
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

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US6904404B1 (en) 1996-07-01 2005-06-07 Matsushita Electric Industrial Co., Ltd. Multistage inverse quantization having the plurality of frequency bands
JP3246715B2 (ja) * 1996-07-01 2002-01-15 松下電器産業株式会社 オーディオ信号圧縮方法，およびオーディオ信号圧縮装置
US6226604B1 (en) * 1996-08-02 2001-05-01 Matsushita Electric Industrial Co., Ltd. Voice encoder, voice decoder, recording medium on which program for realizing voice encoding/decoding is recorded and mobile communication apparatus
JP3523649B2 (ja) * 1997-03-12 2004-04-26 三菱電機株式会社 音声符号化装置、音声復号装置及び音声符号化復号装置、及び、音声符号化方法、音声復号方法及び音声符号化復号方法
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
CN1145925C (zh) * 1997-07-11 2004-04-14 皇家菲利浦电子有限公司 具有改进语音编码器和解码器的发射机
RU2388069C2 (ru) * 1997-09-02 2010-04-27 Телефонактиеболагет Лм Эрикссон (Пабл) Снижение разреженности в кодированных речевых сигналах
EP1267330B1 (en) * 1997-09-02 2005-01-19 Telefonaktiebolaget LM Ericsson (publ) Reducing sparseness in coded speech signals
US6029125A (en) * 1997-09-02 2000-02-22 Telefonaktiebolaget L M Ericsson, (Publ) Reducing sparseness in coded speech signals
JP3166697B2 (ja) * 1998-01-14 2001-05-14 日本電気株式会社 音声符号化・復号装置及びシステム
FR2796189B1 (fr) * 1999-07-05 2001-10-05 Matra Nortel Communications Procedes et dispositifs de codage et de decodage audio
US6397175B1 (en) * 1999-07-19 2002-05-28 Qualcomm Incorporated Method and apparatus for subsampling phase spectrum information
KR100363259B1 (ko) 2000-05-16 2002-11-30 삼성전자 주식회사 인지 특성 가중 함수를 이용한 음성신호의 위상 양자화장치 및 방법
US7133823B2 (en) * 2000-09-15 2006-11-07 Mindspeed Technologies, Inc. System for an adaptive excitation pattern for speech coding
US7194141B1 (en) * 2002-03-20 2007-03-20 Ess Technology, Inc. Image resolution conversion using pixel dropping
JP4988717B2 (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
US8917874B2 (en) 2005-05-26 2014-12-23 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP5461835B2 (ja) 2005-05-26 2014-04-02 エルジー エレクトロニクス インコーポレイティド オーディオ信号の符号化／復号化方法及び符号化／復号化装置
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
WO2007004829A2 (en) 2005-06-30 2007-01-11 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
EP1913578B1 (en) 2005-06-30 2012-08-01 LG Electronics Inc. Method and apparatus for decoding an audio signal
WO2007027051A1 (en) 2005-08-30 2007-03-08 Lg Electronics Inc. Apparatus for encoding and decoding audio signal and method thereof
KR100880642B1 (ko) 2005-08-30 2009-01-30 엘지전자 주식회사 오디오 신호의 디코딩 방법 및 장치
US7788107B2 (en) 2005-08-30 2010-08-31 Lg Electronics Inc. Method for decoding an audio signal
US8577483B2 (en) 2005-08-30 2013-11-05 Lg Electronics, Inc. Method for decoding an audio signal
WO2007032646A1 (en) 2005-09-14 2007-03-22 Lg Electronics Inc. Method and apparatus for decoding an audio signal
US7672379B2 (en) 2005-10-05 2010-03-02 Lg Electronics Inc. Audio signal processing, encoding, and decoding
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
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
US7813380B2 (en) 2005-10-05 2010-10-12 Lg Electronics Inc. Method of processing a signal and apparatus for processing a signal
KR100857121B1 (ko) 2005-10-05 2008-09-05 엘지전자 주식회사 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치
US7716043B2 (en) 2005-10-24 2010-05-11 Lg Electronics Inc. Removing time delays in signal paths
US7752053B2 (en) 2006-01-13 2010-07-06 Lg Electronics Inc. Audio signal processing using pilot based coding
CA2636494C (en) 2006-01-19 2014-02-18 Lg Electronics Inc. Method and apparatus for processing a media signal
KR100885700B1 (ko) 2006-01-19 2009-02-26 엘지전자 주식회사 신호 디코딩 방법 및 장치
TWI329465B (en) 2006-02-07 2010-08-21 Lg Electronics Inc Apparatus and method for encoding / decoding signal
EP1987597B1 (en) 2006-02-23 2013-04-10 LG Electronics Inc. Method and apparatus for processing an audio signal
WO2007114594A1 (en) 2006-03-30 2007-10-11 Lg Electronics, Inc. Apparatus for processing media signal and method thereof
US20080235006A1 (en) 2006-08-18 2008-09-25 Lg Electronics, Inc. Method and Apparatus for Decoding an Audio Signal
US9197181B2 (en) * 2008-05-12 2015-11-24 Broadcom Corporation Loudness enhancement system and method
US8645129B2 (en) * 2008-05-12 2014-02-04 Broadcom Corporation Integrated speech intelligibility enhancement system and acoustic echo canceller

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11327600A (ja) * 1997-10-03 1999-11-26 Matsushita Electric Ind Co Ltd 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
US6477490B2 (en) 1997-10-03 2002-11-05 Matsushita Electric Industrial Co., Ltd. Audio signal compression method, audio signal compression apparatus, speech signal compression method, speech signal compression apparatus, speech recognition method, and speech recognition apparatus
US6385576B2 (en) 1997-12-24 2002-05-07 Kabushiki Kaisha Toshiba Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch
US7603271B2 (en) 2004-12-14 2009-10-13 Lg Electronics Inc. Speech coding apparatus with perceptual weighting and method therefor
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

Also Published As

Publication number Publication date
TW289885B (cg-RX-API-DMAC7.html) 1996-11-01
DE69526904D1 (de) 2002-07-11
EP0709827A3 (en) 1997-12-29
CA2160749C (en) 2000-06-27
EP0709827A2 (en) 1996-05-01
KR960015379A (ko) 1996-05-22
US5724480A (en) 1998-03-03
CA2160749A1 (en) 1996-04-29
EP0709827B1 (en) 2002-06-05
KR0169020B1 (ko) 1999-03-20
CN1126869A (zh) 1996-07-17

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