RU2121172C1 - Система и способ обработки речевого сигнала - Google Patents

Система и способ обработки речевого сигнала Download PDF

Info

Publication number
RU2121172C1
RU2121172C1 RU96122986A RU96122986A RU2121172C1 RU 2121172 C1 RU2121172 C1 RU 2121172C1 RU 96122986 A RU96122986 A RU 96122986A RU 96122986 A RU96122986 A RU 96122986A RU 2121172 C1 RU2121172 C1 RU 2121172C1
Authority
RU
Russia
Prior art keywords
specified
pulses
amplitude
target vector
pulse
Prior art date
Application number
RU96122986A
Other languages
English (en)
Russian (ru)
Other versions
RU96122986A (ru
Inventor
Леон Биалик
Феликс Фломен
Original Assignee
Аудиокоудс, Лтд.
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 Аудиокоудс, Лтд. filed Critical Аудиокоудс, Лтд.
Application granted granted Critical
Publication of RU2121172C1 publication Critical patent/RU2121172C1/ru
Publication of RU96122986A publication Critical patent/RU96122986A/ru

Links

Images

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)
RU96122986A 1994-04-29 1995-04-27 Система и способ обработки речевого сигнала RU2121172C1 (ru)

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
US08/236,764 1994-04-29

Publications (2)

Publication Number Publication Date
RU2121172C1 true RU2121172C1 (ru) 1998-10-27
RU96122986A RU96122986A (ru) 1999-02-10

Family

ID=22890857

Family Applications (2)

Application Number Title Priority Date Filing Date
RU96122986A RU2121172C1 (ru) 1994-04-29 1995-04-27 Система и способ обработки речевого сигнала
RU96122985A RU2121173C1 (ru) 1994-04-29 1995-04-27 Способ постфильтрации основного тона синтезированной речи и постфильтр основного тона

Family Applications After (1)

Application Number Title Priority Date Filing Date
RU96122985A RU2121173C1 (ru) 1994-04-29 1995-04-27 Способ постфильтрации основного тона синтезированной речи и постфильтр основного тона

Country Status (11)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Families Citing this family (16)

* 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
JP3360545B2 (ja) 1996-08-26 2002-12-24 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
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
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
BRPI0808202A8 (pt) * 2007-03-02 2016-11-22 Panasonic Corp Dispositivo de codificação e método de codificação.
CN103503061B (zh) 2011-02-14 2016-02-17 弗劳恩霍夫应用研究促进协会 在一频谱域中用以处理已解码音频信号的装置及方法
MY166394A (en) 2011-02-14 2018-06-25 Fraunhofer Ges Forschung Information signal representation using lapped transform
MY166006A (en) 2011-02-14 2018-05-21 Fraunhofer Ges Forschung Apparatus and method for coding a portion of an audio signal using a transient detection and a quality result
SG192734A1 (en) 2011-02-14 2013-09-30 Fraunhofer Ges Forschung Apparatus and method for error concealment in low-delay unified speech and audio coding (usac)
WO2012110416A1 (en) * 2011-02-14 2012-08-23 Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. Encoding and decoding of pulse positions of tracks of an audio signal
MY165853A (en) 2011-02-14 2018-05-18 Fraunhofer Ges Forschung Linear prediction based coding scheme using spectral domain noise shaping
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 (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716592A (en) * 1982-12-24 1987-12-29 Nec Corporation Method and apparatus for encoding voice signals
GB2200819A (en) * 1987-02-04 1988-08-10 Nec Corp Multi-pulse type encoder having a low transmission rate

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0107659A4 (en) * 1982-04-29 1985-02-18 Massachusetts Inst Technology VOICE ENCODER AND SYNTHESIZER.
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
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
DE69029120T2 (de) * 1989-04-25 1997-04-30 Toshiba Kawasaki Kk Stimmenkodierer
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4716592A (en) * 1982-12-24 1987-12-29 Nec Corporation Method and apparatus for encoding voice signals
GB2200819A (en) * 1987-02-04 1988-08-10 Nec Corp Multi-pulse type encoder having a low transmission rate

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
JP 2-10900A (NEC.CORP), 11.06.90. SU 1316030AI (Акустический Ин-т им. акад. Н.Н.Андреева), 07.06.87. *
US 4890327A (ITTCOPP), 26.12.89. US 4472832A (AT&BELLCOPP), 18.09.84. *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Also Published As

Publication number Publication date
US5568588A (en) 1996-10-22
MX9605179A (es) 1998-06-30
CN1153566A (zh) 1997-07-02
JP3068196B2 (ja) 2000-07-24
EP0784846A4 (enExample) 1997-07-30
RU2121173C1 (ru) 1998-10-27
BR9507571A (pt) 1997-08-05
CN1112672C (zh) 2003-06-25
JPH09512645A (ja) 1997-12-16
EP0784846A1 (en) 1997-07-23
CA2189142C (en) 2001-06-05
DE69521622T2 (de) 2003-07-10
WO1995030222A1 (en) 1995-11-09
CA2189142A1 (en) 1995-11-09
KR100257775B1 (ko) 2000-06-01
AU683750B2 (en) 1997-11-20
DE69521622D1 (de) 2001-08-09
AU2394895A (en) 1995-11-29
EP0784846B1 (en) 2001-07-04

Similar Documents

Publication Publication Date Title
RU2121172C1 (ru) Система и способ обработки речевого сигнала
KR0134158B1 (ko) 음성인식장치
US6594626B2 (en) Voice encoding and voice decoding using an adaptive codebook and an algebraic codebook
EP0236349B1 (en) Digital speech coder with different excitation types
USRE43190E1 (en) Speech coding apparatus and speech decoding apparatus
US6408268B1 (en) Voice encoder, voice decoder, voice encoder/decoder, voice encoding method, voice decoding method and voice encoding/decoding method
US7146311B1 (en) CELP encoding/decoding method and apparatus
WO1998043237A1 (en) Recognition system
EP0450064B1 (en) Digital speech coder having improved sub-sample resolution long-term predictor
US5884251A (en) Voice coding and decoding method and device therefor
EP0186763A1 (en) Method of and device for speech signal coding and decoding by vector quantization techniques
JPS62159199A (ja) 音声メツセ−ジ処理装置と方法
CA2132006C (en) Method for generating a spectral noise weighting filter for use in a speech coder
US4720865A (en) Multi-pulse type vocoder
JPH08179795A (ja) 音声のピッチラグ符号化方法および装置
JPH1097294A (ja) 音声符号化装置
US5854998A (en) Speech processing system quantizer of single-gain pulse excitation in speech coder
JP3168238B2 (ja) 再構成音声信号の周期性を増大させる方法および装置
US6041298A (en) Method for synthesizing a frame of a speech signal with a computed stochastic excitation part
MXPA96005179A (en) A system and method of processing of voice deanalisis of impulses multip
JP3065638B2 (ja) 音声符号化方式
JP3103108B2 (ja) 音声符号化装置
USRE43209E1 (en) Speech coding apparatus and speech decoding apparatus
JPH11500837A (ja) スピーチコーダ用信号予測方法及び装置
IL115698A (en) Quantizer of single-gain pulse excitation in speech coder