DE69521622T2 - System und verfahren zur sprachverarbeitung mittels multipuls-analyse - Google Patents

System und verfahren zur sprachverarbeitung mittels multipuls-analyse

Info

Publication number
DE69521622T2
DE69521622T2 DE69521622T DE69521622T DE69521622T2 DE 69521622 T2 DE69521622 T2 DE 69521622T2 DE 69521622 T DE69521622 T DE 69521622T DE 69521622 T DE69521622 T DE 69521622T DE 69521622 T2 DE69521622 T2 DE 69521622T2
Authority
DE
Germany
Prior art keywords
target vector
pulse
amplitude
pulses
value
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
DE69521622T
Other languages
German (de)
English (en)
Other versions
DE69521622D1 (de
Inventor
Leon Bialik
Felix Flomen
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.)
AudioCodes Ltd
Original Assignee
AudioCodes Ltd
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 AudioCodes Ltd filed Critical AudioCodes Ltd
Publication of DE69521622D1 publication Critical patent/DE69521622D1/de
Application granted granted Critical
Publication of DE69521622T2 publication Critical patent/DE69521622T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
    • G10L19/113Regular pulse excitation
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/10Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation

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)
  • Mobile Radio Communication Systems (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
DE69521622T 1994-04-29 1995-04-27 System und verfahren zur sprachverarbeitung mittels multipuls-analyse Expired - Lifetime DE69521622T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/236,764 US5568588A (en) 1994-04-29 1994-04-29 Multi-pulse analysis speech processing System and method
PCT/US1995/005014 WO1995030222A1 (en) 1994-04-29 1995-04-27 A multi-pulse analysis speech processing system and method

Publications (2)

Publication Number Publication Date
DE69521622D1 DE69521622D1 (de) 2001-08-09
DE69521622T2 true DE69521622T2 (de) 2003-07-10

Family

ID=22890857

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69521622T Expired - Lifetime DE69521622T2 (de) 1994-04-29 1995-04-27 System und verfahren zur sprachverarbeitung mittels multipuls-analyse

Country Status (11)

Country Link
US (1) US5568588A (OSRAM)
EP (1) EP0784846B1 (OSRAM)
JP (1) JP3068196B2 (OSRAM)
KR (1) KR100257775B1 (OSRAM)
CN (1) CN1112672C (OSRAM)
AU (1) AU683750B2 (OSRAM)
BR (1) BR9507571A (OSRAM)
CA (1) CA2189142C (OSRAM)
DE (1) DE69521622T2 (OSRAM)
RU (2) RU2121172C1 (OSRAM)
WO (1) WO1995030222A1 (OSRAM)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3094908B2 (ja) * 1996-04-17 2000-10-03 日本電気株式会社 音声符号化装置
CA2213909C (en) * 1996-08-26 2002-01-22 Nec Corporation High quality speech coder at low bit rates
JP3360545B2 (ja) 1996-08-26 2002-12-24 日本電気株式会社 音声符号化装置
JP3147807B2 (ja) * 1997-03-21 2001-03-19 日本電気株式会社 信号符号化装置
US7272553B1 (en) 1999-09-08 2007-09-18 8X8, Inc. Varying pulse amplitude multi-pulse analysis speech processor and method
SE0004818D0 (sv) * 2000-12-22 2000-12-22 Coding Technologies Sweden Ab Enhancing source coding systems by adaptive transposition
WO2003005344A1 (en) * 2001-07-03 2003-01-16 Intel Zao Method and apparatus for dynamic beam control in viterbi search
RU2276810C2 (ru) * 2001-07-03 2006-05-20 Интел Зао Способ и устройство для динамической регулировки луча в поиске по витерби
EP1513137A1 (en) * 2003-08-22 2005-03-09 MicronasNIT LCC, Novi Sad Institute of Information Technologies Speech processing system and method with multi-pulse excitation
JP5241701B2 (ja) * 2007-03-02 2013-07-17 パナソニック株式会社 符号化装置および符号化方法
BR112013020700B1 (pt) 2011-02-14 2021-07-13 Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. Codificação e decodificação de posições de pulso de faixas de um sinal de áudio
BR112013020587B1 (pt) 2011-02-14 2021-03-09 Fraunhofer-Gesellschaft Zur Forderung De Angewandten Forschung E.V. esquema de codificação com base em previsão linear utilizando modelagem de ruído de domínio espectral
TWI469136B (zh) 2011-02-14 2015-01-11 Fraunhofer Ges Forschung 在一頻譜域中用以處理已解碼音訊信號之裝置及方法
CA2827266C (en) 2011-02-14 2017-02-28 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
MY167853A (en) 2011-02-14 2018-09-26 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
SG185519A1 (en) 2011-02-14 2012-12-28 Fraunhofer Ges Forschung Information signal representation using lapped transform
EP2980799A1 (en) 2014-07-28 2016-02-03 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Apparatus and method for processing an audio signal using a harmonic post-filter
CN110660396A (zh) * 2018-06-13 2020-01-07 江苏德新科智能传感器研究院有限公司 一种基于mems的语言处理系统及其方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4710959A (en) * 1982-04-29 1987-12-01 Massachusetts Institute Of Technology Voice encoder and synthesizer
CA1197619A (en) * 1982-12-24 1985-12-03 Kazunori Ozawa Voice encoding systems
NL8500843A (nl) * 1985-03-22 1986-10-16 Koninkl Philips Electronics Nv Multipuls-excitatie lineair-predictieve spraakcoder.
SU1316030A1 (ru) * 1986-01-06 1987-06-07 Акустический институт им.акад.Н.Н.Андреева Способ анализа и синтеза речи и устройство дл его осуществлени
JPH0738118B2 (ja) * 1987-02-04 1995-04-26 日本電気株式会社 マルチパルス符号化装置
US4969192A (en) * 1987-04-06 1990-11-06 Voicecraft, Inc. Vector adaptive predictive coder for speech and audio
US5007094A (en) * 1989-04-07 1991-04-09 Gte Products Corporation Multipulse excited pole-zero filtering approach for noise reduction
EP0422232B1 (en) * 1989-04-25 1996-11-13 Kabushiki Kaisha Toshiba Voice encoder
US5060269A (en) * 1989-05-18 1991-10-22 General Electric Company Hybrid switched multi-pulse/stochastic speech coding technique
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
CA2084323C (en) * 1991-12-03 1996-12-03 Tetsu Taguchi Speech signal encoding system capable of transmitting a speech signal at a low bit rate

Also Published As

Publication number Publication date
DE69521622D1 (de) 2001-08-09
EP0784846A4 (OSRAM) 1997-07-30
CN1153566A (zh) 1997-07-02
KR100257775B1 (ko) 2000-06-01
WO1995030222A1 (en) 1995-11-09
AU2394895A (en) 1995-11-29
BR9507571A (pt) 1997-08-05
RU2121173C1 (ru) 1998-10-27
EP0784846B1 (en) 2001-07-04
AU683750B2 (en) 1997-11-20
EP0784846A1 (en) 1997-07-23
JP3068196B2 (ja) 2000-07-24
CA2189142C (en) 2001-06-05
US5568588A (en) 1996-10-22
JPH09512645A (ja) 1997-12-16
CN1112672C (zh) 2003-06-25
CA2189142A1 (en) 1995-11-09
RU2121172C1 (ru) 1998-10-27
MX9605179A (es) 1998-06-30

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8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8332 No legal effect for de
8370 Indication related to discontinuation of the patent is to be deleted
8364 No opposition during term of opposition