AU681137B2 - Process for vector quantization, especially of voice signals - Google Patents

Process for vector quantization, especially of voice signals

Info

Publication number
AU681137B2
AU681137B2 AU65025/94A AU6502594A AU681137B2 AU 681137 B2 AU681137 B2 AU 681137B2 AU 65025/94 A AU65025/94 A AU 65025/94A AU 6502594 A AU6502594 A AU 6502594A AU 681137 B2 AU681137 B2 AU 681137B2
Authority
AU
Australia
Prior art keywords
voice signals
vector quantization
quantization
vector
voice
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
Application number
AU65025/94A
Other versions
AU6502594A (en
Inventor
Jorg-Martin Muller
Bertram Wachter
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.)
Bosch Telecom GmbH
Original Assignee
Bosch Telecom GmbH
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=6487539&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=AU681137(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Bosch Telecom GmbH filed Critical Bosch Telecom GmbH
Publication of AU6502594A publication Critical patent/AU6502594A/en
Assigned to BOSCH TELECOM GMBH reassignment BOSCH TELECOM GMBH Alteration of Name(s) of Applicant(s) under S113 Assignors: ANT NACHRICHTENTECHNIK GMBH
Application granted granted Critical
Publication of AU681137B2 publication Critical patent/AU681137B2/en
Anticipated expiration legal-status Critical
Expired 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
    • 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
    • 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
    • G10L2019/0007—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
    • G10L2019/0011—Long term prediction filters, i.e. pitch estimation
    • 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
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters the extracted parameters being correlation coefficients

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)
AU65025/94A 1993-05-07 1994-04-20 Process for vector quantization, especially of voice signals Expired AU681137B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE4315315 1993-05-07
DE4315315A DE4315315A1 (en) 1993-05-07 1993-05-07 Method for vector quantization, especially of speech signals
PCT/DE1994/000435 WO1994027286A1 (en) 1993-05-07 1994-04-20 Process for vector quantization, especially of voice signals

Publications (2)

Publication Number Publication Date
AU6502594A AU6502594A (en) 1994-12-12
AU681137B2 true AU681137B2 (en) 1997-08-21

Family

ID=6487539

Family Applications (1)

Application Number Title Priority Date Filing Date
AU65025/94A Expired AU681137B2 (en) 1993-05-07 1994-04-20 Process for vector quantization, especially of voice signals

Country Status (8)

Country Link
EP (1) EP0697125B1 (en)
AU (1) AU681137B2 (en)
DE (2) DE4315315A1 (en)
DK (1) DK0697125T3 (en)
ES (1) ES2136732T3 (en)
FI (1) FI116597B (en)
HU (1) HU216223B (en)
WO (1) WO1994027286A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19538852A1 (en) * 1995-06-30 1997-01-02 Deutsche Telekom Ag Method and arrangement for classifying speech signals
CA2188369C (en) * 1995-10-19 2005-01-11 Joachim Stegmann Method and an arrangement for classifying speech signals
US5867814A (en) * 1995-11-17 1999-02-02 National Semiconductor Corporation Speech coder that utilizes correlation maximization to achieve fast excitation coding, and associated coding method
GB2312360B (en) * 1996-04-12 2001-01-24 Olympus Optical Co Voice signal coding apparatus

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001545A1 (en) * 1989-06-23 1991-02-07 Motorola, Inc. Digital speech coder with vector excitation source having improved speech quality
EP0545386A2 (en) * 1991-12-03 1993-06-09 Nec Corporation Method for speech coding and voice-coder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991001545A1 (en) * 1989-06-23 1991-02-07 Motorola, Inc. Digital speech coder with vector excitation source having improved speech quality
EP0545386A2 (en) * 1991-12-03 1993-06-09 Nec Corporation Method for speech coding and voice-coder

Also Published As

Publication number Publication date
AU6502594A (en) 1994-12-12
ES2136732T3 (en) 1999-12-01
DE59408495D1 (en) 1999-08-19
DK0697125T3 (en) 2000-01-24
EP0697125B1 (en) 1999-07-14
HUT73545A (en) 1996-08-28
FI116597B (en) 2005-12-30
WO1994027286A1 (en) 1994-11-24
FI955325A0 (en) 1995-11-06
FI955325A (en) 1995-11-06
DE4315315A1 (en) 1994-11-10
HU9503179D0 (en) 1995-12-28
EP0697125A1 (en) 1996-02-21
HU216223B (en) 1999-05-28

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