CN1112672C - 多脉冲分析语言处理系统及其方法 - Google Patents

多脉冲分析语言处理系统及其方法 Download PDF

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Publication number
CN1112672C
CN1112672C CN95193454A CN95193454A CN1112672C CN 1112672 C CN1112672 C CN 1112672C CN 95193454 A CN95193454 A CN 95193454A CN 95193454 A CN95193454 A CN 95193454A CN 1112672 C CN1112672 C CN 1112672C
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China
Prior art keywords
pulse
amplitude
target vector
characteristic
short
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Expired - Fee Related
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Chinese (zh)
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CN1153566A (zh
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利昂·比亚利克
费利克斯·弗曼
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AudioCodes Ltd
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AudioCodes Ltd
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    • 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
    • G10L19/113—Regular pulse 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
    • G10L19/08—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

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  • 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)
CN95193454A 1994-04-29 1995-04-27 多脉冲分析语言处理系统及其方法 Expired - Fee Related CN1112672C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/236,764 1994-04-29
US08/236,764 US5568588A (en) 1994-04-29 1994-04-29 Multi-pulse analysis speech processing System and method

Publications (2)

Publication Number Publication Date
CN1153566A CN1153566A (zh) 1997-07-02
CN1112672C true CN1112672C (zh) 2003-06-25

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CN95193454A Expired - Fee Related CN1112672C (zh) 1994-04-29 1995-04-27 多脉冲分析语言处理系统及其方法

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

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932061A (en) * 1985-03-22 1990-06-05 U.S. Philips Corporation Multi-pulse excitation linear-predictive speech coder
EP0422232A1 (en) * 1989-04-25 1991-04-17 Kabushiki Kaisha Toshiba Voice encoder
EP0545403A2 (en) * 1991-12-03 1993-06-09 Nec Corporation Speech signal encoding system capable of transmitting a speech signal at a low bit rate

Family Cites Families (9)

* 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
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
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932061A (en) * 1985-03-22 1990-06-05 U.S. Philips Corporation Multi-pulse excitation linear-predictive speech coder
EP0422232A1 (en) * 1989-04-25 1991-04-17 Kabushiki Kaisha Toshiba Voice encoder
EP0545403A2 (en) * 1991-12-03 1993-06-09 Nec Corporation 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
DE69521622T2 (de) 2003-07-10
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
CA2189142A1 (en) 1995-11-09
RU2121172C1 (ru) 1998-10-27
MX9605179A (es) 1998-06-30

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