AU2002218501A1 - Vector quantizing device for lpc parameters - Google Patents

Vector quantizing device for lpc parameters

Info

Publication number
AU2002218501A1
AU2002218501A1 AU2002218501A AU1850102A AU2002218501A1 AU 2002218501 A1 AU2002218501 A1 AU 2002218501A1 AU 2002218501 A AU2002218501 A AU 2002218501A AU 1850102 A AU1850102 A AU 1850102A AU 2002218501 A1 AU2002218501 A1 AU 2002218501A1
Authority
AU
Australia
Prior art keywords
lpc parameters
vector quantizing
quantizing device
vector
lpc
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.)
Abandoned
Application number
AU2002218501A
Inventor
Hiroyuki Ehara
Yusuke Hiwasaki
Kazunori Mano
Toshiyuki Morii
Kazutoshi Yasunaga
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
Panasonic Holdings Corp
Original Assignee
Nippon Telegraph and Telephone Corp
Matsushita Electric Industrial Co Ltd
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, Matsushita Electric Industrial Co Ltd filed Critical Nippon Telegraph and Telephone Corp
Publication of AU2002218501A1 publication Critical patent/AU2002218501A1/en
Abandoned 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
    • 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
    • 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
    • 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
    • G10L2019/0014—Selection criteria for distances

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)
AU2002218501A 2000-11-30 2001-11-29 Vector quantizing device for lpc parameters Abandoned AU2002218501A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2000-366191 2000-11-30
JP2000366191 2000-11-30
PCT/JP2001/010425 WO2002045077A1 (en) 2000-11-30 2001-11-29 Vector quantizing device for lpc parameters

Publications (1)

Publication Number Publication Date
AU2002218501A1 true AU2002218501A1 (en) 2002-06-11

Family

ID=18836849

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002218501A Abandoned AU2002218501A1 (en) 2000-11-30 2001-11-29 Vector quantizing device for lpc parameters

Country Status (9)

Country Link
US (1) US7392179B2 (en)
EP (2) EP1860650A1 (en)
KR (2) KR100872538B1 (en)
CN (1) CN1200403C (en)
AU (1) AU2002218501A1 (en)
CA (2) CA2733453C (en)
CZ (1) CZ304196B6 (en)
DE (1) DE60137359D1 (en)
WO (1) WO2002045077A1 (en)

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CA2972808C (en) * 2008-07-10 2018-12-18 Voiceage Corporation Multi-reference lpc filter quantization and inverse quantization device and method
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CN101409075B (en) * 2008-11-27 2011-05-11 杭州电子科技大学 Method for transforming and quantifying line spectrum pair coefficient of G.729 standard
EP2398149B1 (en) * 2009-02-13 2014-05-07 Panasonic Corporation Vector quantization device, vector inverse-quantization device, and associated methods
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TW201220715A (en) * 2010-09-17 2012-05-16 Panasonic Corp Quantization device and quantization method
KR101747917B1 (en) 2010-10-18 2017-06-15 삼성전자주식회사 Apparatus and method for determining weighting function having low complexity for lpc coefficients quantization
EP4274235A3 (en) * 2012-03-29 2024-01-10 Telefonaktiebolaget LM Ericsson (publ) Vector quantizer
KR101714278B1 (en) * 2012-07-12 2017-03-08 노키아 테크놀로지스 오와이 Vector quantization
WO2014034697A1 (en) * 2012-08-29 2014-03-06 日本電信電話株式会社 Decoding method, decoding device, program, and recording method thereof
MX356164B (en) * 2013-11-13 2018-05-16 Fraunhofer Ges Forschung Encoder for encoding an audio signal, audio transmission system and method for determining correction values.
ES2952973T3 (en) * 2014-01-15 2023-11-07 Samsung Electronics Co Ltd Weighting function determination device and procedure for quantifying the linear prediction coding coefficient
PL3136387T3 (en) * 2014-04-24 2019-05-31 Nippon Telegraph & Telephone Frequency domain parameter sequence generating method, encoding method, decoding method, frequency domain parameter sequence generating apparatus, encoding apparatus, decoding apparatus, program, and recording medium
CN110875047B (en) * 2014-05-01 2023-06-09 日本电信电话株式会社 Decoding device, method thereof, and recording medium
KR102298767B1 (en) * 2014-11-17 2021-09-06 삼성전자주식회사 Voice recognition system, server, display apparatus and control methods thereof
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Also Published As

Publication number Publication date
EP1339040A1 (en) 2003-08-27
WO2002045077A1 (en) 2002-06-06
CZ20031500A3 (en) 2003-10-15
CA2429832C (en) 2011-05-17
CN1488135A (en) 2004-04-07
KR20030062361A (en) 2003-07-23
EP1339040B1 (en) 2009-01-07
KR100910282B1 (en) 2009-08-03
CZ304196B6 (en) 2013-12-27
EP1860650A1 (en) 2007-11-28
EP1339040A4 (en) 2005-09-14
CA2733453C (en) 2014-10-14
CA2429832A1 (en) 2002-06-06
CA2733453A1 (en) 2002-06-06
DE60137359D1 (en) 2009-02-26
KR100872538B1 (en) 2008-12-08
US7392179B2 (en) 2008-06-24
CN1200403C (en) 2005-05-04
US20040015346A1 (en) 2004-01-22
KR20080074234A (en) 2008-08-12

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