JP3068196B2 - マルチパルス分析音声処理システムおよび方法 - Google Patents

マルチパルス分析音声処理システムおよび方法

Info

Publication number
JP3068196B2
JP3068196B2 JP7528321A JP52832195A JP3068196B2 JP 3068196 B2 JP3068196 B2 JP 3068196B2 JP 7528321 A JP7528321 A JP 7528321A JP 52832195 A JP52832195 A JP 52832195A JP 3068196 B2 JP3068196 B2 JP 3068196B2
Authority
JP
Japan
Prior art keywords
amplitude
pulse
pulses
target vector
term
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
JP7528321A
Other languages
English (en)
Japanese (ja)
Other versions
JPH09512645A (ja
Inventor
ビアリック，レオン
フロメン，フェリックス
Original Assignee
オーディオコーズ リミティド
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 オーディオコーズ リミティド filed Critical オーディオコーズ リミティド
Publication of JPH09512645A publication Critical patent/JPH09512645A/ja
Application granted granted Critical
Publication of JP3068196B2 publication Critical patent/JP3068196B2/ja
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)
JP7528321A 1994-04-29 1995-04-27 マルチパルス分析音声処理システムおよび方法 Expired - Lifetime JP3068196B2 (ja)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US236,764 1994-04-29
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
JPH09512645A JPH09512645A (ja) 1997-12-16
JP3068196B2 true JP3068196B2 (ja) 2000-07-24

Family

ID=22890857

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7528321A Expired - Lifetime JP3068196B2 (ja) 1994-04-29 1995-04-27 マルチパルス分析音声処理システムおよび方法

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

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
DE69521622T2 (de) 2003-07-10
AU683750B2 (en) 1997-11-20
EP0784846A1 (en) 1997-07-23
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

Similar Documents

Publication Publication Date Title
JP3068196B2 (ja) マルチパルス分析音声処理システムおよび方法
RU2233010C2 (ru) Способы и устройства для кодирования и декодирования речевых сигналов
US6427135B1 (en) Method for encoding speech wherein pitch periods are changed based upon input speech signal
EP0673014B1 (en) Acoustic signal transform coding method and decoding method
US5265167A (en) Speech coding and decoding apparatus
EP0745971A2 (en) Pitch lag estimation system using linear predictive coding residual
KR20020077389A (ko) 광대역 신호의 코딩을 위한 대수적 코드북에서의 펄스위치 및 부호의 인덱싱
EP0575511A1 (en) Speech coder and method having spectral interpolation and fast codebook search
KR100269216B1 (ko) 스펙트로-템포럴 자기상관을 사용한 피치결정시스템 및 방법
US20070150271A1 (en) Optimized multiple coding method
EP0342687B1 (en) Coded speech communication system having code books for synthesizing small-amplitude components
US5884251A (en) Voice coding and decoding method and device therefor
CA2132006C (en) Method for generating a spectral noise weighting filter for use in a speech coder
KR20040042903A (ko) 일반화된 분석에 의한 합성 스피치 코딩 방법 및 그방법을 구현하는 코더
JPH08179795A (ja) 音声のピッチラグ符号化方法および装置
EP0235180A1 (en) VOICE SYNTHESIS USING VARIOUS FORMS OF EXCITATION.
JPH1097294A (ja) 音声符号化装置
Ozawa et al. A study on pulse search algorithms for multipulse excited speech coder realization
US5854998A (en) Speech processing system quantizer of single-gain pulse excitation in speech coder
EP0745972B1 (en) Method of and apparatus for coding speech signal
US7272553B1 (en) Varying pulse amplitude multi-pulse analysis speech processor and method
EP0713208A2 (en) Pitch lag estimation system
EP0537948B1 (en) Method and apparatus for smoothing pitch-cycle waveforms
JP3192051B2 (ja) 音声符号化装置
JP3103108B2 (ja) 音声符号化装置

Legal Events

Date Code Title Description
R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090519

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090519

Year of fee payment: 9

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20100519

Year of fee payment: 10

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20110519

Year of fee payment: 11

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20120519

Year of fee payment: 12

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130519

Year of fee payment: 13

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130519

Year of fee payment: 13

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term