DE60210174D1 - Verfahren zur Signalkodierung mittels einer Vektorquantisierung - Google Patents

Verfahren zur Signalkodierung mittels einer Vektorquantisierung

Info

Publication number
DE60210174D1
DE60210174D1 DE60210174T DE60210174T DE60210174D1 DE 60210174 D1 DE60210174 D1 DE 60210174D1 DE 60210174 T DE60210174 T DE 60210174T DE 60210174 T DE60210174 T DE 60210174T DE 60210174 D1 DE60210174 D1 DE 60210174D1
Authority
DE
Germany
Prior art keywords
signal
vector quantization
codebook
signal coding
vector
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
DE60210174T
Other languages
English (en)
Other versions
DE60210174T2 (de
Inventor
Christian Georg Dr Gerlach
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.)
Alcatel Lucent SAS
Original Assignee
Alcatel SA
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 Alcatel SA filed Critical Alcatel SA
Application granted granted Critical
Publication of DE60210174D1 publication Critical patent/DE60210174D1/de
Publication of DE60210174T2 publication Critical patent/DE60210174T2/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
    • G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a code excitation, e.g. in code excited linear prediction [CELP] 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
    • G10L2019/0013—Codebook search algorithms

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
DE60210174T 2002-08-08 2002-08-08 Verfahren zur Signalkodierung mittels einer Vektorquantisierung Expired - Lifetime DE60210174T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02017836A EP1394773B1 (de) 2002-08-08 2002-08-08 Verfahren zur Signalkodierung mittels einer Vektorquantisierung

Publications (2)

Publication Number Publication Date
DE60210174D1 true DE60210174D1 (de) 2006-05-18
DE60210174T2 DE60210174T2 (de) 2006-08-24

Family

ID=31197794

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60210174T Expired - Lifetime DE60210174T2 (de) 2002-08-08 2002-08-08 Verfahren zur Signalkodierung mittels einer Vektorquantisierung

Country Status (4)

Country Link
US (1) US7769581B2 (de)
EP (1) EP1394773B1 (de)
AT (1) ATE322069T1 (de)
DE (1) DE60210174T2 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0005515D0 (en) * 2000-03-08 2000-04-26 Univ Glasgow Improved vector quantization of images
US7546588B2 (en) * 2004-09-09 2009-06-09 International Business Machines Corporation Self-optimizable code with code path selection and efficient memory allocation

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50155105A (de) * 1974-06-04 1975-12-15
US4868867A (en) * 1987-04-06 1989-09-19 Voicecraft Inc. Vector excitation speech or audio coder for transmission or storage
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
US4896361A (en) * 1988-01-07 1990-01-23 Motorola, Inc. Digital speech coder having improved vector excitation source
US6199040B1 (en) * 1998-07-27 2001-03-06 Motorola, Inc. System and method for communicating a perceptually encoded speech spectrum signal
US6556966B1 (en) * 1998-08-24 2003-04-29 Conexant Systems, Inc. Codebook structure for changeable pulse multimode speech coding
US6785646B2 (en) * 2001-05-14 2004-08-31 Renesas Technology Corporation Method and system for performing a codebook search used in waveform coding
US6789059B2 (en) * 2001-06-06 2004-09-07 Qualcomm Incorporated Reducing memory requirements of a codebook vector search

Also Published As

Publication number Publication date
DE60210174T2 (de) 2006-08-24
EP1394773A1 (de) 2004-03-03
ATE322069T1 (de) 2006-04-15
US7769581B2 (en) 2010-08-03
EP1394773B1 (de) 2006-03-29
US20040030549A1 (en) 2004-02-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALCATEL LUCENT, PARIS, FR