DE69634179D1 - Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung - Google Patents

Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung

Info

Publication number
DE69634179D1
DE69634179D1 DE69634179T DE69634179T DE69634179D1 DE 69634179 D1 DE69634179 D1 DE 69634179D1 DE 69634179 T DE69634179 T DE 69634179T DE 69634179 T DE69634179 T DE 69634179T DE 69634179 D1 DE69634179 D1 DE 69634179D1
Authority
DE
Germany
Prior art keywords
decoding
speech coding
speech
coding
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
DE69634179T
Other languages
English (en)
Other versions
DE69634179T2 (de
Inventor
Kazuyuki Iijima
Masayuki Nishiguchi
Jun Matsumoto
Shiro Omori
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.)
Sony Corp
Original Assignee
Sony 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 Sony Corp filed Critical Sony Corp
Application granted granted Critical
Publication of DE69634179D1 publication Critical patent/DE69634179D1/de
Publication of DE69634179T2 publication Critical patent/DE69634179T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L19/0212—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 orthogonal transformation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/27—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the analysis technique
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
DE69634179T 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung Expired - Lifetime DE69634179T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP30212995 1995-10-26
JP30212995A JP3707116B2 (ja) 1995-10-26 1995-10-26 音声復号化方法及び装置

Publications (2)

Publication Number Publication Date
DE69634179D1 true DE69634179D1 (de) 2005-02-17
DE69634179T2 DE69634179T2 (de) 2006-03-30

Family

ID=17905273

Family Applications (3)

Application Number Title Priority Date Filing Date
DE69634055T Expired - Lifetime DE69634055T2 (de) 1995-10-26 1996-10-25 Verfahren zur Kodierung von akustischen Signalen
DE69625875T Expired - Lifetime DE69625875T2 (de) 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung
DE69634179T Expired - Lifetime DE69634179T2 (de) 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung

Family Applications Before (2)

Application Number Title Priority Date Filing Date
DE69634055T Expired - Lifetime DE69634055T2 (de) 1995-10-26 1996-10-25 Verfahren zur Kodierung von akustischen Signalen
DE69625875T Expired - Lifetime DE69625875T2 (de) 1995-10-26 1996-10-25 Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung

Country Status (10)

Country Link
US (1) US7454330B1 (de)
EP (3) EP1164579B1 (de)
JP (1) JP3707116B2 (de)
KR (1) KR100427754B1 (de)
CN (1) CN100409308C (de)
AU (1) AU725140B2 (de)
CA (1) CA2188493C (de)
DE (3) DE69634055T2 (de)
MX (1) MX9605122A (de)
RU (1) RU2233010C2 (de)

Families Citing this family (50)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10124092A (ja) 1996-10-23 1998-05-15 Sony Corp 音声符号化方法及び装置、並びに可聴信号符号化方法及び装置
KR100429978B1 (ko) * 1996-12-26 2004-07-27 엘지전자 주식회사 음성합성시스템의음질저하방지장치
DE19706516C1 (de) * 1997-02-19 1998-01-15 Fraunhofer Ges Forschung Verfahren und Vorricntungen zum Codieren von diskreten Signalen bzw. zum Decodieren von codierten diskreten Signalen
JPH11122120A (ja) * 1997-10-17 1999-04-30 Sony Corp 符号化方法及び装置、並びに復号化方法及び装置
US7072832B1 (en) 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
US7272556B1 (en) * 1998-09-23 2007-09-18 Lucent Technologies Inc. Scalable and embedded codec for speech and audio signals
ES2266908T3 (es) * 2002-09-17 2007-03-01 Koninklijke Philips Electronics N.V. Metodo de sintesis para una señal de sonido fija.
WO2004082288A1 (en) * 2003-03-11 2004-09-23 Nokia Corporation Switching between coding schemes
JP3827317B2 (ja) * 2004-06-03 2006-09-27 任天堂株式会社 コマンド処理装置
US7769584B2 (en) * 2004-11-05 2010-08-03 Panasonic Corporation Encoder, decoder, encoding method, and decoding method
US9886959B2 (en) * 2005-02-11 2018-02-06 Open Invention Network Llc Method and system for low bit rate voice encoding and decoding applicable for any reduced bandwidth requirements including wireless
KR100707184B1 (ko) * 2005-03-10 2007-04-13 삼성전자주식회사 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체
RU2376657C2 (ru) 2005-04-01 2009-12-20 Квэлкомм Инкорпорейтед Системы, способы и устройства для высокополосного предыскажения шкалы времени
TWI317933B (en) 2005-04-22 2009-12-01 Qualcomm Inc Methods, data storage medium,apparatus of signal processing,and cellular telephone including the same
KR100713366B1 (ko) * 2005-07-11 2007-05-04 삼성전자주식회사 모폴로지를 이용한 오디오 신호의 피치 정보 추출 방법 및그 장치
JP2007150737A (ja) * 2005-11-28 2007-06-14 Sony Corp 音声信号ノイズ低減装置及び方法
US9454974B2 (en) 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
CN101523486B (zh) * 2006-10-10 2013-08-14 高通股份有限公司 用于编码和解码音频信号的方法和设备
KR101097640B1 (ko) 2006-11-06 2011-12-22 콸콤 인코포레이티드 무선 통신 시스템에서 계층 치환을 이용한 ｍｉｍｏ 전송을 위한 방법 및 장치
US8005671B2 (en) 2006-12-04 2011-08-23 Qualcomm Incorporated Systems and methods for dynamic normalization to reduce loss in precision for low-level signals
US20080162150A1 (en) * 2006-12-28 2008-07-03 Vianix Delaware, Llc System and Method for a High Performance Audio Codec
WO2009110738A2 (ko) * 2008-03-03 2009-09-11 엘지전자(주) 오디오 신호 처리 방법 및 장치
MY154452A (en) * 2008-07-11 2015-06-15 Fraunhofer Ges Forschung An apparatus and a method for decoding an encoded audio signal
EP2410522B1 (de) * 2008-07-11 2017-10-04 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiosignalcodierer, Verfahren zur Codierung eines Audiosignals und Computerprogramm
FR2938688A1 (fr) * 2008-11-18 2010-05-21 France Telecom Codage avec mise en forme du bruit dans un codeur hierarchique
RU2494541C1 (ru) * 2009-08-17 2013-09-27 Алькатель Люсент Способ и ассоциированное устройство для сохранения когерентности канала предварительного кодирования в сети связи
GB2473267A (en) * 2009-09-07 2011-03-09 Nokia Corp Processing audio signals to reduce noise
PT2559029T (pt) 2010-04-13 2019-05-23 Fraunhofer Gesellschaft Zur Foerderung Der Angewandten Wss E V Método e codificador e descodificador para reprodução sem lacunas de um sinal de áudio
IL311020A (en) * 2010-07-02 2024-04-01 Dolby Int Ab After–selective bass filter
RU2445718C1 (ru) * 2010-08-31 2012-03-20 Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) Способ выделения сегментов обработки речи на основе анализа корреляционных зависимостей в речевом сигнале
KR101826331B1 (ko) * 2010-09-15 2018-03-22 삼성전자주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
WO2012091464A1 (ko) * 2010-12-29 2012-07-05 삼성전자 주식회사 고주파수 대역폭 확장을 위한 부호화/복호화 장치 및 방법
WO2012037515A1 (en) 2010-09-17 2012-03-22 Xiph. Org. Methods and systems for adaptive time-frequency resolution in digital data coding
US20120197643A1 (en) * 2011-01-27 2012-08-02 General Motors Llc Mapping obstruent speech energy to lower frequencies
CN103443856B (zh) * 2011-03-04 2015-09-09 瑞典爱立信有限公司 音频编码中的后量化增益校正
WO2012122303A1 (en) 2011-03-07 2012-09-13 Xiph. Org Method and system for two-step spreading for tonal artifact avoidance in audio coding
US9015042B2 (en) 2011-03-07 2015-04-21 Xiph.org Foundation Methods and systems for avoiding partial collapse in multi-block audio coding
US9009036B2 (en) * 2011-03-07 2015-04-14 Xiph.org Foundation Methods and systems for bit allocation and partitioning in gain-shape vector quantization for audio coding
JP6133422B2 (ja) * 2012-08-03 2017-05-24 フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン マルチチャネルをダウンミックス／アップミックスする場合のため一般化された空間オーディオオブジェクト符号化パラメトリック概念のデコーダおよび方法
EP2869299B1 (de) * 2012-08-29 2021-07-21 Nippon Telegraph And Telephone Corporation Decodierverfahren, decodiervorrichtung, programm und aufzeichnungsmedium dafür
EP3680899B1 (de) * 2013-01-29 2024-03-20 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audiocodierer, verfahren und computerprogramme mit verwendung von erhöhter temporärer auflösung in zeitlicher nähe des versatzes von frikativen oder affrikaten
US9854377B2 (en) 2013-05-29 2017-12-26 Qualcomm Incorporated Interpolation for decomposed representations of a sound field
CN107818789B (zh) * 2013-07-16 2020-11-17 华为技术有限公司 解码方法和解码装置
US9224402B2 (en) 2013-09-30 2015-12-29 International Business Machines Corporation Wideband speech parameterization for high quality synthesis, transformation and quantization
EP3471095B1 (de) 2014-04-25 2024-05-01 Ntt Docomo, Inc. Vorrichtung zur umwandlung eines linearen vorhersagekoeffizienten und verfahren zur umwandlung eines linearen vorhersagekoeffizienten
US9697843B2 (en) * 2014-04-30 2017-07-04 Qualcomm Incorporated High band excitation signal generation
US10770087B2 (en) 2014-05-16 2020-09-08 Qualcomm Incorporated Selecting codebooks for coding vectors decomposed from higher-order ambisonic audio signals
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
US10741192B2 (en) * 2018-05-07 2020-08-11 Qualcomm Incorporated Split-domain speech signal enhancement
US11280833B2 (en) * 2019-01-04 2022-03-22 Rohde & Schwarz Gmbh & Co. Kg Testing device and testing method for testing a device under test

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5067158A (en) * 1985-06-11 1991-11-19 Texas Instruments Incorporated Linear predictive residual representation via non-iterative spectral reconstruction
US4912764A (en) * 1985-08-28 1990-03-27 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech coder with different excitation types
US4797926A (en) 1986-09-11 1989-01-10 American Telephone And Telegraph Company, At&T Bell Laboratories Digital speech vocoder
US5125030A (en) * 1987-04-13 1992-06-23 Kokusai Denshin Denwa Co., Ltd. Speech signal coding/decoding system based on the type of speech signal
US5228086A (en) * 1990-05-18 1993-07-13 Matsushita Electric Industrial Co., Ltd. Speech encoding apparatus and related decoding apparatus
JPH0491442A (ja) 1990-08-02 1992-03-24 Fujitsu Ltd 結晶製造装置
CA2068526C (en) * 1990-09-14 1997-02-25 Tomohiko Taniguchi Speech coding system
US5138661A (en) * 1990-11-13 1992-08-11 General Electric Company Linear predictive codeword excited speech synthesizer
US5537509A (en) * 1990-12-06 1996-07-16 Hughes Electronics Comfort noise generation for digital communication systems
US5127053A (en) * 1990-12-24 1992-06-30 General Electric Company Low-complexity method for improving the performance of autocorrelation-based pitch detectors
US5487086A (en) * 1991-09-13 1996-01-23 Comsat Corporation Transform vector quantization for adaptive predictive coding
JP3343965B2 (ja) * 1992-10-31 2002-11-11 ソニー株式会社 音声符号化方法及び復号化方法
JP2878539B2 (ja) 1992-12-08 1999-04-05 日鐵溶接工業株式会社 チタンクラッド鋼の溶接方法
FR2702590B1 (fr) * 1993-03-12 1995-04-28 Dominique Massaloux Dispositif de codage et de décodage numériques de la parole, procédé d'exploration d'un dictionnaire pseudo-logarithmique de délais LTP, et procédé d'analyse LTP.
JP3137805B2 (ja) * 1993-05-21 2001-02-26 三菱電機株式会社 音声符号化装置、音声復号化装置、音声後処理装置及びこれらの方法
US5479559A (en) * 1993-05-28 1995-12-26 Motorola, Inc. Excitation synchronous time encoding vocoder and method
US5684920A (en) * 1994-03-17 1997-11-04 Nippon Telegraph And Telephone Acoustic signal transform coding method and decoding method having a high efficiency envelope flattening method therein
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
JP3653826B2 (ja) * 1995-10-26 2005-06-02 ソニー株式会社 音声復号化方法及び装置

Also Published As

Publication number Publication date
US7454330B1 (en) 2008-11-18
CA2188493A1 (en) 1997-04-27
EP1164579A3 (de) 2002-01-09
AU725140B2 (en) 2000-10-05
JPH09127991A (ja) 1997-05-16
CA2188493C (en) 2009-12-15
CN100409308C (zh) 2008-08-06
DE69625875T2 (de) 2003-10-30
KR100427754B1 (ko) 2004-08-11
EP0770990A3 (de) 1998-06-17
JP3707116B2 (ja) 2005-10-19
EP1164579A2 (de) 2001-12-19
EP0770990B1 (de) 2003-01-22
EP0770990A2 (de) 1997-05-02
RU2233010C2 (ru) 2004-07-20
EP1164579B1 (de) 2004-12-15
DE69634055D1 (de) 2005-01-20
DE69634179T2 (de) 2006-03-30
CN1156303A (zh) 1997-08-06
MX9605122A (es) 1998-05-31
DE69625875D1 (de) 2003-02-27
AU7037296A (en) 1997-05-01
EP1164578B1 (de) 2005-01-12
EP1164578A2 (de) 2001-12-19
DE69634055T2 (de) 2005-12-22
EP1164578A3 (de) 2002-01-02
KR970024628A (ko) 1997-05-30

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