CA2189142C - A multi-pulse analysis speech processing system and method - Google Patents

A multi-pulse analysis speech processing system and method

Info

Publication number
CA2189142C
CA2189142C CA002189142A CA2189142A CA2189142C CA 2189142 C CA2189142 C CA 2189142C CA 002189142 A CA002189142 A CA 002189142A CA 2189142 A CA2189142 A CA 2189142A CA 2189142 C CA2189142 C CA 2189142C
Authority
CA
Canada
Prior art keywords
amplitude
pulse
target vector
pulses
short
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 - Fee Related
Application number
CA002189142A
Other languages
English (en)
French (fr)
Other versions
CA2189142A1 (en
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 CA2189142A1 publication Critical patent/CA2189142A1/en
Application granted granted Critical
Publication of CA2189142C publication Critical patent/CA2189142C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Mobile Radio Communication Systems (AREA)
CA002189142A 1994-04-29 1995-04-27 A multi-pulse analysis speech processing system and method Expired - Fee Related CA2189142C (en)

Applications Claiming Priority (3)

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
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
CA2189142A1 CA2189142A1 (en) 1995-11-09
CA2189142C true CA2189142C (en) 2001-06-05

Family

ID=22890857

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002189142A Expired - Fee Related CA2189142C (en) 1994-04-29 1995-04-27 A multi-pulse analysis speech processing system and method

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
RU2276810C2 (ru) * 2001-07-03 2006-05-20 Интел Зао Способ и устройство для динамической регулировки луча в поиске по витерби
WO2003005344A1 (en) * 2001-07-03 2003-01-16 Intel Zao Method and apparatus for dynamic beam control in viterbi search
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
SG179433A1 (en) * 2007-03-02 2012-04-27 Panasonic Corp Encoding device and encoding method
ES2715191T3 (es) * 2011-02-14 2019-06-03 Fraunhofer Ges Forschung Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
EP2676270B1 (en) 2011-02-14 2017-02-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Coding a portion of an audio signal using a transient detection and a quality result
WO2012110415A1 (en) 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Apparatus and method for processing a decoded audio signal in a spectral domain
ES2539174T3 (es) 2011-02-14 2015-06-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Aparato y método para ocultamiento de error en voz unificada con bajo retardo y codificación de audio (USAC)
AU2012217158B2 (en) 2011-02-14 2014-02-27 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Information signal representation using lapped transform
MX2013009346A (es) 2011-02-14 2013-10-01 Fraunhofer Ges Forschung Prediccion lineal basada en esquema de codificacion utilizando conformacion de ruido de dominio espectral.
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
WO1983003917A1 (en) * 1982-04-29 1983-11-10 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
DE69521622T2 (de) 2003-07-10
EP0784846A1 (en) 1997-07-23
AU2394895A (en) 1995-11-29
MX9605179A (es) 1998-06-30
CN1112672C (zh) 2003-06-25
CN1153566A (zh) 1997-07-02
JPH09512645A (ja) 1997-12-16
DE69521622D1 (de) 2001-08-09
RU2121173C1 (ru) 1998-10-27
BR9507571A (pt) 1997-08-05
WO1995030222A1 (en) 1995-11-09
AU683750B2 (en) 1997-11-20
KR100257775B1 (ko) 2000-06-01
EP0784846B1 (en) 2001-07-04
JP3068196B2 (ja) 2000-07-24
US5568588A (en) 1996-10-22
CA2189142A1 (en) 1995-11-09
EP0784846A4 (OSRAM) 1997-07-30
RU2121172C1 (ru) 1998-10-27

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