DE3771839D1 - Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung. - Google Patents

Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung.

Info

Publication number
DE3771839D1
DE3771839D1 DE8787115291T DE3771839T DE3771839D1 DE 3771839 D1 DE3771839 D1 DE 3771839D1 DE 8787115291 T DE8787115291 T DE 8787115291T DE 3771839 T DE3771839 T DE 3771839T DE 3771839 D1 DE3771839 D1 DE 3771839D1
Authority
DE
Germany
Prior art keywords
coding
voice signals
vector quantization
parameter extraction
decoding voice
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
DE8787115291T
Other languages
English (en)
Inventor
Maurizio Copperi
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.)
Telecom Italia SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni SpA
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 CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Application granted granted Critical
Publication of DE3771839D1 publication Critical patent/DE3771839D1/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
    • G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE8787115291T 1986-10-21 1987-10-19 Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung. Expired - Lifetime DE3771839D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT67792/86A IT1195350B (it) 1986-10-21 1986-10-21 Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante estrazione di para metri e tecniche di quantizzazione vettoriale

Publications (1)

Publication Number Publication Date
DE3771839D1 true DE3771839D1 (de) 1991-09-05

Family

ID=11305325

Family Applications (2)

Application Number Title Priority Date Filing Date
DE198787115291T Pending DE266620T1 (de) 1986-10-21 1987-10-19 Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung.
DE8787115291T Expired - Lifetime DE3771839D1 (de) 1986-10-21 1987-10-19 Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE198787115291T Pending DE266620T1 (de) 1986-10-21 1987-10-19 Verfahren und einrichtung zur kodierung und dekodierung von sprachsignalen durch parameterextraktion und vektorquantisierung.

Country Status (6)

Country Link
US (1) US4860355A (de)
EP (1) EP0266620B1 (de)
JP (1) JPH079600B2 (de)
CA (1) CA1292805C (de)
DE (2) DE266620T1 (de)
IT (1) IT1195350B (de)

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CA1321646C (en) * 1988-05-20 1993-08-24 Eisuke Hanada Coded speech communication system having code books for synthesizing small-amplitude components
CA1321645C (en) * 1988-09-28 1993-08-24 Akira Ichikawa Method and system for voice coding based on vector quantization
US5384891A (en) * 1988-09-28 1995-01-24 Hitachi, Ltd. Vector quantizing apparatus and speech analysis-synthesis system using the apparatus
US5261027A (en) * 1989-06-28 1993-11-09 Fujitsu Limited Code excited linear prediction speech coding system
US4975956A (en) * 1989-07-26 1990-12-04 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing
GB2235354A (en) * 1989-08-16 1991-02-27 Philips Electronic Associated Speech coding/encoding using celp
NL8902347A (nl) * 1989-09-20 1991-04-16 Nederland Ptt Werkwijze voor het coderen van een binnen een zeker tijdsinterval voorkomend analoog signaal, waarbij dat analoge signaal wordt geconverteerd in besturingscodes die bruikbaar zijn voor het samenstellen van een met dat analoge signaal overeenkomend synthetisch signaal.
US5307441A (en) * 1989-11-29 1994-04-26 Comsat Corporation Wear-toll quality 4.8 kbps speech codec
JPH03181232A (ja) * 1989-12-11 1991-08-07 Toshiba Corp 可変レート符号化方式
CA2010830C (en) * 1990-02-23 1996-06-25 Jean-Pierre Adoul Dynamic codebook for efficient speech coding based on algebraic codes
US5754976A (en) * 1990-02-23 1998-05-19 Universite De Sherbrooke Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
SE466824B (sv) * 1990-08-10 1992-04-06 Ericsson Telefon Ab L M Foerfarande foer kodning av en samplad talsignalvektor
CA2051304C (en) * 1990-09-18 1996-03-05 Tomohiko Taniguchi Speech coding and decoding system
FR2668288B1 (fr) * 1990-10-19 1993-01-15 Di Francesco Renaud Procede de transmission, a bas debit, par codage celp d'un signal de parole et systeme correspondant.
US5293449A (en) * 1990-11-23 1994-03-08 Comsat Corporation Analysis-by-synthesis 2,4 kbps linear predictive speech codec
DE69328450T2 (de) * 1992-06-29 2001-01-18 Nippon Telegraph And Telephone Corp., Tokio/Tokyo Verfahren und Vorrichtung zur Sprachkodierung
CA2105269C (en) * 1992-10-09 1998-08-25 Yair Shoham Time-frequency interpolation with application to low rate speech coding
FI95086C (fi) * 1992-11-26 1995-12-11 Nokia Mobile Phones Ltd Menetelmä puhesignaalin tehokkaaksi koodaamiseksi
US5692104A (en) * 1992-12-31 1997-11-25 Apple Computer, Inc. Method and apparatus for detecting end points of speech activity
US5596680A (en) * 1992-12-31 1997-01-21 Apple Computer, Inc. Method and apparatus for detecting speech activity using cepstrum vectors
FI96248C (fi) * 1993-05-06 1996-05-27 Nokia Mobile Phones Ltd Menetelmä pitkän aikavälin synteesisuodattimen toteuttamiseksi sekä synteesisuodatin puhekoodereihin
DE4315319C2 (de) * 1993-05-07 2002-11-14 Bosch Gmbh Robert Verfahren zur Aufbereitung von Daten, insbesondere von codierten Sprachsignalparametern
DE4315313C2 (de) * 1993-05-07 2001-11-08 Bosch Gmbh Robert Vektorcodierverfahren insbesondere für Sprachsignale
US5468069A (en) * 1993-08-03 1995-11-21 University Of So. California Single chip design for fast image compression
US6134521A (en) * 1994-02-17 2000-10-17 Motorola, Inc. Method and apparatus for mitigating audio degradation in a communication system
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
GB2300548B (en) * 1995-05-02 2000-01-12 Motorola Ltd Method for a communications system
JPH1032495A (ja) * 1996-07-18 1998-02-03 Sony Corp データ処理装置および方法
GB2346785B (en) * 1998-09-15 2000-11-15 Motorola Ltd Speech coder for a communications system and method for operation thereof
JP2001175298A (ja) * 1999-12-13 2001-06-29 Fujitsu Ltd 騒音抑圧装置
US7099830B1 (en) 2000-03-29 2006-08-29 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6735561B1 (en) 2000-03-29 2004-05-11 At&T Corp. Effective deployment of temporal noise shaping (TNS) filters
US6356213B1 (en) * 2000-05-31 2002-03-12 Lucent Technologies Inc. System and method for prediction-based lossless encoding
US7171355B1 (en) 2000-10-25 2007-01-30 Broadcom Corporation Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
US7110942B2 (en) * 2001-08-14 2006-09-19 Broadcom Corporation Efficient excitation quantization in a noise feedback coding system using correlation techniques
US7206740B2 (en) * 2002-01-04 2007-04-17 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
US6751587B2 (en) 2002-01-04 2004-06-15 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
EP1667109A4 (de) * 2003-09-17 2007-10-03 Beijing E World Technology Co Verfahren und einrichtung zur mehrfachauflösungs-vektorquantilisierung für die audiocodierung und -decodierung
US8473286B2 (en) * 2004-02-26 2013-06-25 Broadcom Corporation Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure
KR101037931B1 (ko) * 2004-05-13 2011-05-30 삼성전자주식회사 2차원 데이터 처리를 이용한 음성 신호 압축 및 복원장치와 그 방법
WO2009056047A1 (en) * 2007-10-25 2009-05-07 Huawei Technologies Co., Ltd. A vector quantizating method and vector quantizer
CN101436408B (zh) * 2007-11-13 2012-04-25 华为技术有限公司 矢量量化方法及矢量量化器
WO2011129774A1 (en) * 2010-04-15 2011-10-20 Agency For Science, Technology And Research Probability table generator, encoder and decoder

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1180126B (it) * 1984-11-13 1987-09-23 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la codifica e decodifica del segnale vocale mediante tecniche di quantizzazione vettoriale

Also Published As

Publication number Publication date
CA1292805C (en) 1991-12-03
JPH079600B2 (ja) 1995-02-01
EP0266620A1 (de) 1988-05-11
IT1195350B (it) 1988-10-12
EP0266620B1 (de) 1991-07-31
DE266620T1 (de) 1988-09-01
JPS63113600A (ja) 1988-05-18
IT8667792A0 (it) 1986-10-21
US4860355A (en) 1989-08-22

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee