EP1293967A3 - Quantisation avec recherche "Weighted Mean Square Error (WMSE)" d'une table de codes utilisant des codes invalides - Google Patents

Quantisation avec recherche "Weighted Mean Square Error (WMSE)" d'une table de codes utilisant des codes invalides Download PDF

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Publication number
EP1293967A3
EP1293967A3 EP02255723A EP02255723A EP1293967A3 EP 1293967 A3 EP1293967 A3 EP 1293967A3 EP 02255723 A EP02255723 A EP 02255723A EP 02255723 A EP02255723 A EP 02255723A EP 1293967 A3 EP1293967 A3 EP 1293967A3
Authority
EP
European Patent Office
Prior art keywords
shape
weighted
wmse
sign
codevector
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.)
Granted
Application number
EP02255723A
Other languages
German (de)
English (en)
Other versions
EP1293967A2 (fr
EP1293967B1 (fr
Inventor
Jes Thyssen
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.)
Broadcom Corp
Original Assignee
Broadcom 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
Priority claimed from US10/163,344 external-priority patent/US7610198B2/en
Priority claimed from US10/163,995 external-priority patent/US7647223B2/en
Priority claimed from US10/163,378 external-priority patent/US7617096B2/en
Application filed by Broadcom Corp filed Critical Broadcom Corp
Publication of EP1293967A2 publication Critical patent/EP1293967A2/fr
Publication of EP1293967A3 publication Critical patent/EP1293967A3/fr
Application granted granted Critical
Publication of EP1293967B1 publication Critical patent/EP1293967B1/fr
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
    • 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
    • G10L2019/0007—Codebook element generation
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Image Analysis (AREA)
EP02255723A 2001-08-16 2002-08-16 Quantisation robuste avec recherche WMSE d'une table de codes indice-forme utilisant un espace illégal Expired - Lifetime EP1293967B1 (fr)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
US31254301P 2001-08-16 2001-08-16
US312543P 2001-08-16
US163995 2002-06-07
US10/163,344 US7610198B2 (en) 2001-08-16 2002-06-07 Robust quantization with efficient WMSE search of a sign-shape codebook using illegal space
US163344 2002-06-07
US10/163,995 US7647223B2 (en) 2001-08-16 2002-06-07 Robust composite quantization with sub-quantizers and inverse sub-quantizers using illegal space
US10/163,378 US7617096B2 (en) 2001-08-16 2002-06-07 Robust quantization and inverse quantization using illegal space
US163378 2002-06-07

Publications (3)

Publication Number Publication Date
EP1293967A2 EP1293967A2 (fr) 2003-03-19
EP1293967A3 true EP1293967A3 (fr) 2004-08-25
EP1293967B1 EP1293967B1 (fr) 2008-11-05

Family

ID=27496557

Family Applications (3)

Application Number Title Priority Date Filing Date
EP02255722A Expired - Lifetime EP1293966B1 (fr) 2001-08-16 2002-08-16 Quantisation avec des sous-quantificateurs utilisant des codes invalides
EP02255723A Expired - Lifetime EP1293967B1 (fr) 2001-08-16 2002-08-16 Quantisation robuste avec recherche WMSE d'une table de codes indice-forme utilisant un espace illégal
EP02255719A Expired - Lifetime EP1293965B1 (fr) 2001-08-16 2002-08-16 Quantisation et quantisation inverse utilisant des codes invalides

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP02255722A Expired - Lifetime EP1293966B1 (fr) 2001-08-16 2002-08-16 Quantisation avec des sous-quantificateurs utilisant des codes invalides

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP02255719A Expired - Lifetime EP1293965B1 (fr) 2001-08-16 2002-08-16 Quantisation et quantisation inverse utilisant des codes invalides

Country Status (2)

Country Link
EP (3) EP1293966B1 (fr)
DE (3) DE60227753D1 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0573216A2 (fr) * 1992-06-04 1993-12-08 AT&T Corp. Vocodeur CELP

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7960994A (en) * 1993-10-08 1995-05-04 Comsat Corporation Improved low bit rate vocoders and methods of operation therefor

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0573216A2 (fr) * 1992-06-04 1993-12-08 AT&T Corp. Vocodeur CELP

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHAN W-Y ED - INSTITUTE OF ELECTRICAL AND ELECTRONICS ENGINEERS: "The design of generalized product-code vector quantizers", DIGITAL SIGNAL PROCESSING 2, ESTIMATION, VLSI. SAN FRANCISCO, MAR. 23, vol. VOL. 5 CONF. 17, 23 March 1992 (1992-03-23), pages 389 - 392, XP010058929, ISBN: 0-7803-0532-9 *
KIM S-J ET AL: "Split vector quantization of LSF parameters with minimum of dLSF constraint", IEEE SIGNAL PROCESSING LETTERS, IEEE SIGNAL PROCESSING SOCIETY, US, vol. 6, no. 9, September 1999 (1999-09-01), pages 227 - 229, XP002254930, ISSN: 1070-9908 *
SMITH A M ET AL: "Normalization and polygon error detection for split VQ of line spectral frequencies", 2000 IEEE WORKSHOP ON SPEECH CODING. PROCEEDINGS., 17 September 2000 (2000-09-17), pages 123 - 125, XP010520062 *

Also Published As

Publication number Publication date
EP1293965A3 (fr) 2004-08-18
EP1293967A2 (fr) 2003-03-19
EP1293965B1 (fr) 2009-12-02
DE60229702D1 (de) 2008-12-18
EP1293967B1 (fr) 2008-11-05
DE60234561D1 (de) 2010-01-14
EP1293966B1 (fr) 2008-07-23
DE60227753D1 (de) 2008-09-04
EP1293966A2 (fr) 2003-03-19
EP1293965A2 (fr) 2003-03-19
EP1293966A3 (fr) 2004-08-25

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