[go: up one dir, main page]

DE69527078D1 - Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer - Google Patents

Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer

Info

Publication number
DE69527078D1
DE69527078D1 DE69527078T DE69527078T DE69527078D1 DE 69527078 D1 DE69527078 D1 DE 69527078D1 DE 69527078 T DE69527078 T DE 69527078T DE 69527078 T DE69527078 T DE 69527078T DE 69527078 D1 DE69527078 D1 DE 69527078D1
Authority
DE
Germany
Prior art keywords
decoder
vector coding
corresponding encoder
encoder
coding
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
DE69527078T
Other languages
English (en)
Other versions
DE69527078T2 (de
Inventor
Akitoshi Kataoka
Jotaro Ikedo
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69527078D1 publication Critical patent/DE69527078D1/de
Publication of DE69527078T2 publication Critical patent/DE69527078T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/02—Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word
    • 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 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
    • 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
    • G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
    • H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
    • H03M7/3082—Vector coding
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0004—Design or structure of the codebook
    • G10L2019/0005—Multi-stage vector quantisation
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • 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
    • G10L2019/0001—Codebooks
    • G10L2019/0013—Codebook search algorithms
    • G10L2019/0014—Selection criteria for distances

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
DE69527078T 1994-10-07 1995-09-29 Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer Expired - Lifetime DE69527078T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP24412894A JP3273455B2 (ja) 1994-10-07 1994-10-07 ベクトル量子化方法及びその復号化器
PCT/JP1995/001989 WO1996011468A1 (fr) 1994-10-07 1995-09-29 Procede de codage de vecteurs et codeur/decodeur associe

Publications (2)

Publication Number Publication Date
DE69527078D1 true DE69527078D1 (de) 2002-07-18
DE69527078T2 DE69527078T2 (de) 2002-12-19

Family

ID=17114186

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69527078T Expired - Lifetime DE69527078T2 (de) 1994-10-07 1995-09-29 Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer

Country Status (12)

Country Link
US (2) US5825311A (de)
EP (1) EP0786762B1 (de)
JP (1) JP3273455B2 (de)
KR (1) KR100215709B1 (de)
CN (1) CN1167046C (de)
AU (1) AU682128B2 (de)
DE (1) DE69527078T2 (de)
FI (1) FI118104B (de)
HK (1) HK1001636A1 (de)
MY (1) MY116640A (de)
TW (1) TW294870B (de)
WO (1) WO1996011468A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0856185B1 (de) * 1995-10-20 2003-08-13 America Online, Inc. Kompressionsystem für sich wiederholende töne
US5835037A (en) * 1996-12-31 1998-11-10 Iterated Systems, Inc. Method and apparatus for modeling discrete data sequences by multiple vector representation
JP3684751B2 (ja) * 1997-03-28 2005-08-17 ソニー株式会社 信号符号化方法及び装置
US7117146B2 (en) * 1998-08-24 2006-10-03 Mindspeed Technologies, Inc. System for improved use of pitch enhancement with subcodebooks
JP2001075600A (ja) * 1999-09-07 2001-03-23 Mitsubishi Electric Corp 音声符号化装置および音声復号化装置
US7337110B2 (en) * 2002-08-26 2008-02-26 Motorola, Inc. Structured VSELP codebook for low complexity search
AU2002952079A0 (en) * 2002-10-16 2002-10-31 Darrell Ballantyne Copeman Winch
US7054807B2 (en) * 2002-11-08 2006-05-30 Motorola, Inc. Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters
JP3887598B2 (ja) * 2002-11-14 2007-02-28 松下電器産業株式会社 確率的符号帳の音源の符号化方法及び復号化方法
DE102004041418A1 (de) * 2004-08-26 2006-03-09 Micronas Gmbh Verfahren zur Codierung eines ersten und zweiten Datenwortes und Verfahren zur Decodierung eines codierten Datenwortes
US20060080090A1 (en) * 2004-10-07 2006-04-13 Nokia Corporation Reusing codebooks in parameter quantization
JP2006295829A (ja) * 2005-04-14 2006-10-26 Nippon Hoso Kyokai <Nhk> 量子化装置、量子化プログラム、及び信号処理装置
EP2099025A4 (de) * 2006-12-14 2010-12-22 Panasonic Corp Audiocodierungseinrichtung und audiocodierungsverfahren
EP2202727B1 (de) * 2007-10-12 2018-01-10 III Holdings 12, LLC Vektorquantisierer, inverser vektorquantisierer und verfahren
WO2013185857A1 (en) * 2012-06-14 2013-12-19 Telefonaktiebolaget L M Ericsson (Publ) Method and arrangement for scalable low-complexity coding/decoding
ES2991546T3 (es) 2013-11-13 2024-12-04 Fraunhofer Ges Zur Foerderungder Angewandten Forschung E V Codificador para la codificación de una señal de audio, sistema de transmisión de audio y procedimiento para la determinación de valores de corrección
TWI866996B (zh) 2019-06-26 2024-12-21 美商杜拜研究特許公司 具有改善頻率解析度的低延遲音訊濾波器組
IL290390B1 (en) 2019-09-03 2025-01-01 Dolby Laboratories Licensing Corp Audio filter array with decoupling elements
CN115378767B (zh) * 2021-05-21 2024-01-09 维沃移动通信有限公司 延迟多普勒域信道信息反馈方法、装置及电子设备

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63187376A (ja) * 1987-01-29 1988-08-02 Nec Corp パタ−ン認識装置
JPH02287399A (ja) * 1989-04-28 1990-11-27 Fujitsu Ltd ベクトル量子化制御方式
US5010574A (en) * 1989-06-13 1991-04-23 At&T Bell Laboratories Vector quantizer search arrangement
JPH0332228A (ja) * 1989-06-29 1991-02-12 Fujitsu Ltd ゲイン―シェイプ・ベクトル量子化方式
US5701392A (en) * 1990-02-23 1997-12-23 Universite De Sherbrooke Depth-first algebraic-codebook search for fast coding of speech
JPH0458617A (ja) * 1990-06-28 1992-02-25 Matsushita Electric Ind Co Ltd ベクトル量子化装置
US5313552A (en) * 1991-03-27 1994-05-17 Unisys Corporation Apparatus for quantizing an input group of data samples into one of N quantized groups of data via a process on less than N/2 reference groups of data samples
US5396576A (en) * 1991-05-22 1995-03-07 Nippon Telegraph And Telephone Corporation Speech coding and decoding methods using adaptive and random code books
JPH05232994A (ja) * 1992-02-25 1993-09-10 Oki Electric Ind Co Ltd 統計コードブック
JPH06130995A (ja) * 1992-10-16 1994-05-13 Oki Electric Ind Co Ltd 統計コードブック及びその作成方法
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
IT1271182B (it) * 1994-06-20 1997-05-27 Alcatel Italia Metodo per migliorare le prestazioni dei codificatori vocali
JP2970407B2 (ja) * 1994-06-21 1999-11-02 日本電気株式会社 音声の励振信号符号化装置
JPH08179796A (ja) * 1994-12-21 1996-07-12 Sony Corp 音声符号化方法

Also Published As

Publication number Publication date
WO1996011468A1 (fr) 1996-04-18
KR100215709B1 (ko) 1999-09-01
DE69527078T2 (de) 2002-12-19
USRE38279E1 (en) 2003-10-21
FI971373L (fi) 1997-04-03
JPH08110799A (ja) 1996-04-30
HK1001636A1 (en) 1998-07-03
MY116640A (en) 2004-03-31
AU3578295A (en) 1996-05-02
JP3273455B2 (ja) 2002-04-08
EP0786762A4 (de) 1999-03-03
CN1167046C (zh) 2004-09-15
FI971373A0 (fi) 1997-04-03
FI118104B (fi) 2007-06-29
US5825311A (en) 1998-10-20
EP0786762B1 (de) 2002-06-12
CN1158665A (zh) 1997-09-03
TW294870B (de) 1997-01-01
AU682128B2 (en) 1997-09-18
EP0786762A1 (de) 1997-07-30

Similar Documents

Publication Publication Date Title
DE69332180D1 (de) System und Verfahren zur Zwischenbildkodierung
DE69625875D1 (de) Verfahren und Vorrichtung zur Sprachkodierung und -dekodierung
DE69527078D1 (de) Verfahren zur vektorkodierung und entsprechender kodierer/dekodierer
DE69532029D1 (de) Verfahren zur Kodierung und Vorrichtung dafür
DE69712676D1 (de) Verfahren zur Videokodierung
DE69716037D1 (de) Verfahren zur kodierung und dekodierung von digitalen bildern
DE69815922D1 (de) Verfahren und Vorrichtung zur prädiktiven Bildkodierung und -dekodierung
DE69713549D1 (de) Gerät und Verfahren zur Bewegtbildkodierung
DE69726525D1 (de) Verfahren und Vorrichtung zur Vektorquantisierung und zur Sprachkodierung
DE69715815D1 (de) Verfahren zur bilddekodierung
DE69912527D1 (de) Vorrichtung und Verfahren zur Bewegungsvektorkodierung
DE69521176D1 (de) Verfahren zur Dekodierung kodierter Sprachsignale
DE69529636D1 (de) Verfahren und Vorrichtung zur Bewegtbildkodierung
DE69832358D1 (de) Verfahren zur Sprachkodierung und -dekodierung
DE69739867D1 (de) Verfahren zur Bildcodierung
DE69430617D1 (de) Dekoder und verfahren zur dekodierung
DE69423072D1 (de) Kodierer und verfahren zur kodierung
DE59510488D1 (de) Verfahren zur arithmetischen Decodierung
DE69822975D1 (de) Verfahren und Vorrichtung zur Kodierung/Dekodierung von Bewegtbildern
DE69431445D1 (de) Verfahren und Vorrichtung zur Sprachkodierung
DE69929069D1 (de) Verfahren und vorrchtung zur celp kodierung und dekodierung
DE69734496D1 (de) Datendekodierer und verfahren zur datendekodierung
DE69330903D1 (de) Verfahren und Gerät zur Bildkodierung und Verfahren und Gerät zur Bilddekodierung
DE69736654D1 (de) Vorrichtung und Verfahren zur Prädiktionskodierung und -dekodierung
DE69329568D1 (de) Verfahren zur Sprachkodierung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition