DE3853161T2 - Vektorquantisierungscodierer. - Google Patents

Vektorquantisierungscodierer.

Info

Publication number
DE3853161T2
DE3853161T2 DE3853161T DE3853161T DE3853161T2 DE 3853161 T2 DE3853161 T2 DE 3853161T2 DE 3853161 T DE3853161 T DE 3853161T DE 3853161 T DE3853161 T DE 3853161T DE 3853161 T2 DE3853161 T2 DE 3853161T2
Authority
DE
Germany
Prior art keywords
vector quantization
quantization encoder
encoder
vector
quantization
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
DE3853161T
Other languages
English (en)
Other versions
DE3853161D1 (de
Inventor
Claude Galand
Jean Menez
Michele Rosso
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of DE3853161D1 publication Critical patent/DE3853161D1/de
Application granted granted Critical
Publication of DE3853161T2 publication Critical patent/DE3853161T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T9/00—Image coding
    • G06T9/008—Vector quantisation
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0002—Codebook adaptations
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
DE3853161T 1988-10-19 1988-10-19 Vektorquantisierungscodierer. Expired - Fee Related DE3853161T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP88480060A EP0364647B1 (de) 1988-10-19 1988-10-19 Vektorquantisierungscodierer

Publications (2)

Publication Number Publication Date
DE3853161D1 DE3853161D1 (de) 1995-03-30
DE3853161T2 true DE3853161T2 (de) 1995-08-17

Family

ID=8200501

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3853161T Expired - Fee Related DE3853161T2 (de) 1988-10-19 1988-10-19 Vektorquantisierungscodierer.

Country Status (4)

Country Link
US (1) US5007092A (de)
EP (1) EP0364647B1 (de)
JP (1) JPH02155313A (de)
DE (1) DE3853161T2 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2560873B2 (ja) * 1990-02-28 1996-12-04 日本ビクター株式会社 直交変換符号化復号化方法
CA2051304C (en) * 1990-09-18 1996-03-05 Tomohiko Taniguchi Speech coding and decoding system
JP2626223B2 (ja) * 1990-09-26 1997-07-02 日本電気株式会社 音声符号化装置
CA2091754C (en) * 1990-09-28 2002-01-29 Patrick W. Elliot Method of, and system for, coding analogue signals
US5195168A (en) * 1991-03-15 1993-03-16 Codex Corporation Speech coder and method having spectral interpolation and fast codebook search
BR9206143A (pt) * 1991-06-11 1995-01-03 Qualcomm Inc Processos de compressão de final vocal e para codificação de taxa variável de quadros de entrada, aparelho para comprimir im sinal acústico em dados de taxa variável, codificador de prognóstico exitado por córdigo de taxa variável (CELP) e descodificador para descodificar quadros codificados
JP3129778B2 (ja) * 1991-08-30 2001-01-31 富士通株式会社 ベクトル量子化器
US5455888A (en) * 1992-12-04 1995-10-03 Northern Telecom Limited Speech bandwidth extension method and apparatus
DE4315319C2 (de) * 1993-05-07 2002-11-14 Bosch Gmbh Robert Verfahren zur Aufbereitung von Daten, insbesondere von codierten Sprachsignalparametern
US5651090A (en) * 1994-05-06 1997-07-22 Nippon Telegraph And Telephone Corporation Coding method and coder for coding input signals of plural channels using vector quantization, and decoding method and decoder therefor
JP3224955B2 (ja) * 1994-05-27 2001-11-05 株式会社東芝 ベクトル量子化装置およびベクトル量子化方法
US5797118A (en) * 1994-08-09 1998-08-18 Yamaha Corporation Learning vector quantization and a temporary memory such that the codebook contents are renewed when a first speaker returns
US5497337A (en) * 1994-10-21 1996-03-05 International Business Machines Corporation Method for designing high-Q inductors in silicon technology without expensive metalization
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法
US5751901A (en) * 1996-07-31 1998-05-12 Qualcomm Incorporated Method for searching an excitation codebook in a code excited linear prediction (CELP) coder
FI114248B (fi) * 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
US6092040A (en) * 1997-11-21 2000-07-18 Voran; Stephen Audio signal time offset estimation algorithm and measuring normalizing block algorithms for the perceptually-consistent comparison of speech signals
US7072832B1 (en) * 1998-08-24 2006-07-04 Mindspeed Technologies, Inc. System for speech encoding having an adaptive encoding arrangement
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
US20030101049A1 (en) * 2001-11-26 2003-05-29 Nokia Corporation Method for stealing speech data frames for signalling purposes
US6751587B2 (en) 2002-01-04 2004-06-15 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
US7206740B2 (en) * 2002-01-04 2007-04-17 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
US7103538B1 (en) * 2002-06-10 2006-09-05 Mindspeed Technologies, Inc. Fixed code book with embedded adaptive code book
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
JP5215305B2 (ja) * 2007-07-06 2013-06-19 第一電子工業株式会社 電子部品の製造方法及び該方法により製造する電子部品
JP2010034794A (ja) * 2008-07-28 2010-02-12 Fujitsu Ltd オーディオ符号化装置、オーディオ符号化プログラム及びオーディオ符号化方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4720861A (en) * 1985-12-24 1988-01-19 Itt Defense Communications A Division Of Itt Corporation Digital speech coding circuit
DE3779351D1 (de) * 1986-03-28 1992-07-02 American Telephone And Telegraph Co., New York, N.Y., Us
JPH088499B2 (ja) * 1986-12-09 1996-01-29 富士通株式会社 静止画像の符号化方式
US4910781A (en) * 1987-06-26 1990-03-20 At&T Bell Laboratories Code excited linear predictive vocoder using virtual searching
JPH0727400B2 (ja) * 1988-04-28 1995-03-29 三菱電機株式会社 学習型ベクトル量子化器

Also Published As

Publication number Publication date
DE3853161D1 (de) 1995-03-30
JPH02155313A (ja) 1990-06-14
EP0364647B1 (de) 1995-02-22
US5007092A (en) 1991-04-09
EP0364647A1 (de) 1990-04-25

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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