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

    • 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

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 (esLanguage)
EP (1) EP0784846B1 (esLanguage)
JP (1) JP3068196B2 (esLanguage)
KR (1) KR100257775B1 (esLanguage)
CN (1) CN1112672C (esLanguage)
AU (1) AU683750B2 (esLanguage)
BR (1) BR9507571A (esLanguage)
CA (1) CA2189142C (esLanguage)
DE (1) DE69521622T2 (esLanguage)
RU (2) RU2121173C1 (esLanguage)
WO (1) WO1995030222A1 (esLanguage)

Families Citing this family (19)

* 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
AU2008222241B2 (en) * 2007-03-02 2012-11-29 Panasonic Intellectual Property Corporation Of America Encoding device and encoding method
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
SG192714A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
PL2661745T3 (pl) 2011-02-14 2015-09-30 Fraunhofer Ges Forschung Urządzenie i sposób do ukrywania błędów w zunifikowanym kodowaniu mowy i audio
CN102959620B (zh) 2011-02-14 2015-05-13 弗兰霍菲尔运输应用研究公司 利用重迭变换的信息信号表示
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
AU2012217184B2 (en) * 2011-02-14 2015-07-30 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E. V. Encoding and decoding of pulse positions of tracks of an audio signal
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
CN121260154B (zh) * 2025-09-30 2026-06-05 深圳市福瑞达显示技术有限公司 一种语音盒控制方法、系统、设备及存储介质

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
WO1990013112A1 (fr) * 1989-04-25 1990-11-01 Kabushiki Kaisha Toshiba Codeur vocal
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
EP0784846A1 (en) 1997-07-23
KR100257775B1 (ko) 2000-06-01
EP0784846A4 (esLanguage) 1997-07-30
WO1995030222A1 (en) 1995-11-09
JP3068196B2 (ja) 2000-07-24
AU2394895A (en) 1995-11-29
JPH09512645A (ja) 1997-12-16
MX9605179A (es) 1998-06-30
RU2121173C1 (ru) 1998-10-27
US5568588A (en) 1996-10-22
RU2121172C1 (ru) 1998-10-27
AU683750B2 (en) 1997-11-20
BR9507571A (pt) 1997-08-05
DE69521622D1 (de) 2001-08-09
CA2189142A1 (en) 1995-11-09
CN1112672C (zh) 2003-06-25
CN1153566A (zh) 1997-07-02
EP0784846B1 (en) 2001-07-04
CA2189142C (en) 2001-06-05

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Legal Events

Date Code Title Description
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