EP1062657A4 - Systeme et procede de codage de donnees par quantification de vecteurs segmentes - Google Patents

Systeme et procede de codage de donnees par quantification de vecteurs segmentes

Info

Publication number
EP1062657A4
EP1062657A4 EP99905742A EP99905742A EP1062657A4 EP 1062657 A4 EP1062657 A4 EP 1062657A4 EP 99905742 A EP99905742 A EP 99905742A EP 99905742 A EP99905742 A EP 99905742A EP 1062657 A4 EP1062657 A4 EP 1062657A4
Authority
EP
European Patent Office
Prior art keywords
vector quantization
data coding
quantization data
split vector
providing split
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.)
Withdrawn
Application number
EP99905742A
Other languages
German (de)
English (en)
Other versions
EP1062657A2 (fr
Inventor
James Patrick Ashley
Weimin Peng
Mark A Jasiuk
Aaron M Smith
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.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of EP1062657A2 publication Critical patent/EP1062657A2/fr
Publication of EP1062657A4 publication Critical patent/EP1062657A4/fr
Withdrawn legal-status Critical Current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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/032—Quantisation or dequantisation of spectral components
    • G10L19/038—Vector quantisation, e.g. TwinVQ audio
    • 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
    • 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
    • G10L19/07—Line spectrum pair [LSP] vocoders
    • 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
    • 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
    • G10L2019/0016—Codebook for LPC parameters

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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
EP99905742A 1998-02-12 1999-02-04 Systeme et procede de codage de donnees par quantification de vecteurs segmentes Withdrawn EP1062657A4 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US2243798A 1998-02-12 1998-02-12
US22437 1998-02-12
PCT/US1999/002431 WO1999041736A2 (fr) 1998-02-12 1999-02-04 Systeme et procede de codage de donnees par quantification de vecteurs segmentes

Publications (2)

Publication Number Publication Date
EP1062657A2 EP1062657A2 (fr) 2000-12-27
EP1062657A4 true EP1062657A4 (fr) 2004-10-06

Family

ID=21809582

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99905742A Withdrawn EP1062657A4 (fr) 1998-02-12 1999-02-04 Systeme et procede de codage de donnees par quantification de vecteurs segmentes

Country Status (4)

Country Link
EP (1) EP1062657A4 (fr)
JP (1) JP2002503834A (fr)
KR (1) KR20010040902A (fr)
WO (1) WO1999041736A2 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100324204B1 (ko) * 1999-12-24 2002-02-16 오길록 예측분할벡터양자화 및 예측분할행렬양자화 방식에 의한선스펙트럼쌍 양자화기의 고속탐색방법
KR101393301B1 (ko) * 2005-11-15 2014-05-28 삼성전자주식회사 선형예측계수의 양자화 및 역양자화 방법 및 장치

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504627A2 (fr) * 1991-02-26 1992-09-23 Nec Corporation Méthode et dispositif de codage de paramètres de voix

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5651026A (en) * 1992-06-01 1997-07-22 Hughes Electronics Robust vector quantization of line spectral frequencies
US5649051A (en) * 1995-06-01 1997-07-15 Rothweiler; Joseph Harvey Constant data rate speech encoder for limited bandwidth path
US5668925A (en) * 1995-06-01 1997-09-16 Martin Marietta Corporation Low data rate speech encoder with mixed excitation
US5636231A (en) * 1995-09-05 1997-06-03 Motorola, Inc. Method and apparatus for minimal redundancy error detection and correction of voice spectrum parameters
KR100322706B1 (ko) * 1995-09-25 2002-06-20 윤종용 선형예측부호화계수의부호화및복호화방법

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0504627A2 (fr) * 1991-02-26 1992-09-23 Nec Corporation Méthode et dispositif de codage de paramètres de voix

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
MERAZKA F ET AL: "Very low bit-rate vector quantization of LSP parameters", 1999, AMSTERDAM, NETHERLANDS, IOS PRESS, NETHERLANDS, 17 February 1999 (1999-02-17) - 19 February 1999 (1999-02-19), pages 374 - 379, XP002288625, ISBN: 90-5199-473-7 *
MOO YOUNG KIM ET AL: "Linked split-vector quantizer of LPC parameters", 1996, NEW YORK, NY, USA, IEEE, USA, vol. 2, 7 May 1996 (1996-05-07) - 10 May 1996 (1996-05-10), pages 741 - 744 vol., XP002288623, ISBN: 0-7803-3192-3 *
SMITH A M ET AL: "Normalization and polygon error detection for split VQ of line spectral frequencies", 2000, PISCATAWAY, NJ, USA, IEEE, USA, 17 September 2000 (2000-09-17) - 20 September 2000 (2000-09-20), pages 123 - 125, XP002288624, ISBN: 0-7803-6416-3 *

Also Published As

Publication number Publication date
KR20010040902A (ko) 2001-05-15
WO1999041736A2 (fr) 1999-08-19
EP1062657A2 (fr) 2000-12-27
JP2002503834A (ja) 2002-02-05
WO1999041736A3 (fr) 1999-10-21

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Legal Events

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Inventor name: SMITH, AARON, M.

Inventor name: JASIUK, MARK, A.

Inventor name: PENG, WEIMIN

Inventor name: ASHLEY, JAMES, PATRICK

RIN1 Information on inventor provided before grant (corrected)

Inventor name: SMITH, AARON, M.

Inventor name: JASIUK, MARK, A.

Inventor name: PENG, WEIMIN

Inventor name: ASHLEY, JAMES, PATRICK

RIC1 Information provided on ipc code assigned before grant

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