DE69613360D1 - Linear-prädiktiver analyse-durch-synthese sprachkodierer - Google Patents

Linear-prädiktiver analyse-durch-synthese sprachkodierer

Info

Publication number
DE69613360D1
DE69613360D1 DE69613360T DE69613360T DE69613360D1 DE 69613360 D1 DE69613360 D1 DE 69613360D1 DE 69613360 T DE69613360 T DE 69613360T DE 69613360 T DE69613360 T DE 69613360T DE 69613360 D1 DE69613360 D1 DE 69613360D1
Authority
DE
Germany
Prior art keywords
linear
predictive analysis
voice encoder
synthesis voice
synthesis
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
DE69613360T
Other languages
English (en)
Other versions
DE69613360T2 (de
Inventor
Bjoern Minde
Peter Mustel
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of DE69613360D1 publication Critical patent/DE69613360D1/de
Publication of DE69613360T2 publication Critical patent/DE69613360T2/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
    • 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
    • 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
    • G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
DE69613360T 1995-03-22 1996-03-06 Linear-prädiktiver analyse-durch-synthese sprachkodierer Expired - Lifetime DE69613360T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9501026A SE506379C3 (sv) 1995-03-22 1995-03-22 Lpc-talkodare med kombinerad excitation
PCT/SE1996/000296 WO1996029696A1 (en) 1995-03-22 1996-03-06 Analysis-by-synthesis linear predictive speech coder

Publications (2)

Publication Number Publication Date
DE69613360D1 true DE69613360D1 (de) 2001-07-19
DE69613360T2 DE69613360T2 (de) 2001-10-11

Family

ID=20397640

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69613360T Expired - Lifetime DE69613360T2 (de) 1995-03-22 1996-03-06 Linear-prädiktiver analyse-durch-synthese sprachkodierer

Country Status (11)

Country Link
US (1) US5991717A (de)
EP (1) EP0815554B1 (de)
JP (1) JP3841224B2 (de)
KR (1) KR100368897B1 (de)
AU (1) AU699787B2 (de)
CA (1) CA2214672C (de)
DE (1) DE69613360T2 (de)
ES (1) ES2162038T3 (de)
RU (1) RU2163399C2 (de)
SE (1) SE506379C3 (de)
WO (1) WO1996029696A1 (de)

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US6292917B1 (en) * 1998-09-30 2001-09-18 Agere Systems Guardian Corp. Unequal error protection for digital broadcasting using channel classification
JP4008607B2 (ja) * 1999-01-22 2007-11-14 株式会社東芝 音声符号化／復号化方法
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WO2001022676A1 (fr) * 1999-09-21 2001-03-29 Comsis Codage source-canal conjoint en blocs
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SE519976C2 (sv) * 2000-09-15 2003-05-06 Ericsson Telefon Ab L M Kodning och avkodning av signaler från flera kanaler
SE0004818D0 (sv) * 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
FI119955B (fi) * 2001-06-21 2009-05-15 Nokia Corp Menetelmä, kooderi ja laite puheenkoodaukseen synteesi-analyysi puhekoodereissa
CA2415105A1 (en) * 2002-12-24 2004-06-24 Voiceage Corporation A method and device for robust predictive vector quantization of linear prediction parameters in variable bit rate speech coding
RU2248619C2 (ru) * 2003-02-12 2005-03-20 Рыболовлев Александр Аркадьевич Способ и устройство преобразования речевого сигнала методом линейного предсказания с адаптивным распределением информационных ресурсов
KR20050028193A (ko) * 2003-09-17 2005-03-22 삼성전자주식회사 오디오 신호에 적응적으로 부가 정보를 삽입하기 위한방법, 오디오 신호에 삽입된 부가 정보의 재생 방법, 및그 장치와 이를 구현하기 위한 프로그램이 기록된 기록 매체
DE102004007185B3 (de) * 2004-02-13 2005-06-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Prädiktives Codierungsschema
JP2008503786A (ja) * 2004-06-22 2008-02-07 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ オーディオ信号の符号化及び復号化
DE102005000830A1 (de) * 2005-01-05 2006-07-13 Siemens Ag Verfahren zur Bandbreitenerweiterung
US7610195B2 (en) * 2006-06-01 2009-10-27 Nokia Corporation Decoding of predictively coded data using buffer adaptation
RU2319222C1 (ru) * 2006-08-30 2008-03-10 Валерий Юрьевич Тарасов Способ кодирования и декодирования речевого сигнала методом линейного предсказания
WO2010017840A1 (en) * 2008-08-13 2010-02-18 Nokia Siemens Networks Oy Method of generating a codebook
RU2400832C2 (ru) * 2008-11-24 2010-09-27 Государственное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФCО России) Способ формирования сигнала возбуждения в низкоскоростных вокодерах с линейным предсказанием
US8924222B2 (en) 2010-07-30 2014-12-30 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for coding of harmonic signals
US9208792B2 (en) 2010-08-17 2015-12-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for noise injection
TWI488176B (zh) 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
WO2012110448A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
KR101613673B1 (ko) 2011-02-14 2016-04-29 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 불활성 위상 동안에 잡음 합성을 사용하는 오디오 코덱
BR112013020324B8 (pt) 2011-02-14 2022-02-08 Fraunhofer Ges Forschung Aparelho e método para supressão de erro em fala unificada de baixo atraso e codificação de áudio
TWI479478B (zh) 2011-02-14 2015-04-01 弗勞恩霍夫爾協會 用以使用對齊的預看部分將音訊信號解碼的裝置與方法
KR101699898B1 (ko) 2011-02-14 2017-01-25 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 스펙트럼 영역에서 디코딩된 오디오 신호를 처리하기 위한 방법 및 장치
EP2676267B1 (de) 2011-02-14 2017-07-19 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Kodierung und dekodierung von impulspositionen von spuren eines audiosignals
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
TWI564882B (zh) 2011-02-14 2017-01-01 弗勞恩霍夫爾協會 利用重疊變換之資訊信號表示技術（一）
RU2495504C1 (ru) * 2012-06-25 2013-10-10 Государственное казенное образовательное учреждение высшего профессионального образования Академия Федеральной службы охраны Российской Федерации (Академия ФСО России) Способ снижения скорости передачи низкоскоростных вокодеров с линейным предсказанием
EP3671738B1 (de) * 2013-04-05 2024-06-05 Dolby International AB Audiokodierer und audiodekodierer
EP3217398B1 (de) * 2013-04-05 2019-08-14 Dolby International AB Erweiterter quantisierer
RU2631968C2 (ru) * 2015-07-08 2017-09-29 Федеральное государственное казенное военное образовательное учреждение высшего образования "Академия Федеральной службы охраны Российской Федерации" (Академия ФСО России) Способ низкоскоростного кодирования и декодирования речевого сигнала
TWI723545B (zh) * 2019-09-17 2021-04-01 宏碁股份有限公司 語音處理方法及其裝置

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JP3054438B2 (ja) * 1989-05-11 2000-06-19 テレフオンアクチーボラゲツト エル エム エリクソン 線型予測音声符号器における音源パルスの位置決め方法
US4980916A (en) * 1989-10-26 1990-12-25 General Electric Company Method for improving speech quality in code excited linear predictive speech coding
US5195168A (en) * 1991-03-15 1993-03-16 Codex Corporation Speech coder and method having spectral interpolation and fast codebook search
JPH0612098A (ja) * 1992-03-16 1994-01-21 Sanyo Electric Co Ltd 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

Also Published As

Publication number Publication date
KR19980703198A (ko) 1998-10-15
CA2214672C (en) 2005-07-05
CA2214672A1 (en) 1996-09-26
SE9501026D0 (sv) 1995-03-22
RU2163399C2 (ru) 2001-02-20
SE506379C3 (sv) 1998-01-19
DE69613360T2 (de) 2001-10-11
JPH11502318A (ja) 1999-02-23
US5991717A (en) 1999-11-23
KR100368897B1 (ko) 2003-04-11
EP0815554B1 (de) 2001-06-13
WO1996029696A1 (en) 1996-09-26
SE506379C2 (sv) 1997-12-08
EP0815554A1 (de) 1998-01-07
ES2162038T3 (es) 2001-12-16
AU5165496A (en) 1996-10-08
AU699787B2 (en) 1998-12-17
JP3841224B2 (ja) 2006-11-01
SE9501026L (sv) 1996-09-23

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