SG47025A1 - Vector quantizer method and apparatus - Google Patents

Vector quantizer method and apparatus

Info

Publication number
SG47025A1
SG47025A1 SG1996002558A SG1996002558A SG47025A1 SG 47025 A1 SG47025 A1 SG 47025A1 SG 1996002558 A SG1996002558 A SG 1996002558A SG 1996002558 A SG1996002558 A SG 1996002558A SG 47025 A1 SG47025 A1 SG 47025A1
Authority
SG
Singapore
Prior art keywords
vector quantizer
quantizer method
vector
quantizer
Prior art date
Application number
SG1996002558A
Other languages
English (en)
Inventor
Ira A Gerson
Mark A Jasiuk
Matthew A Hartman
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 SG47025A1 publication Critical patent/SG47025A1/en

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
    • G10L19/083—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • 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
    • G10L19/08—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
    • G10L19/135—Vector sum excited linear prediction [VSELP]
    • 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
    • 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
    • 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
    • G10L25/24—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 the cepstrum

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
SG1996002558A 1993-03-26 1994-03-07 Vector quantizer method and apparatus SG47025A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3779393A 1993-03-26 1993-03-26

Publications (1)

Publication Number Publication Date
SG47025A1 true SG47025A1 (en) 1998-03-20

Family

ID=21896370

Family Applications (1)

Application Number Title Priority Date Filing Date
SG1996002558A SG47025A1 (en) 1993-03-26 1994-03-07 Vector quantizer method and apparatus

Country Status (12)

Country Link
US (2) US5826224A (zh)
JP (1) JP3042886B2 (zh)
CN (2) CN1051392C (zh)
AU (2) AU668817B2 (zh)
BR (1) BR9404725A (zh)
CA (1) CA2135629C (zh)
DE (2) DE4492048C2 (zh)
FR (1) FR2706064B1 (zh)
GB (2) GB2282943B (zh)
SE (2) SE518319C2 (zh)
SG (1) SG47025A1 (zh)
WO (1) WO1994023426A1 (zh)

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US6006174A (en) * 1990-10-03 1999-12-21 Interdigital Technology Coporation Multiple impulse excitation speech encoder and decoder
IT1277194B1 (it) * 1995-06-28 1997-11-05 Alcatel Italia Metodo e relativi apparati di codifica e di decodifica di un segnale vocale campionato
FR2738383B1 (fr) * 1995-09-05 1997-10-03 Thomson Csf Procede de quantification vectorielle de vocodeurs bas debit
JP3680380B2 (ja) * 1995-10-26 2005-08-10 ソニー株式会社 音声符号化方法及び装置
TW307960B (en) * 1996-02-15 1997-06-11 Philips Electronics Nv Reduced complexity signal transmission system
JP2914305B2 (ja) * 1996-07-10 1999-06-28 日本電気株式会社 ベクトル量子化装置
FI114248B (fi) * 1997-03-14 2004-09-15 Nokia Corp Menetelmä ja laite audiokoodaukseen ja audiodekoodaukseen
US6826524B1 (en) 1998-01-08 2004-11-30 Purdue Research Foundation Sample-adaptive product quantization
US6453289B1 (en) 1998-07-24 2002-09-17 Hughes Electronics Corporation Method of noise reduction for speech codecs
IL129752A (en) 1999-05-04 2003-01-12 Eci Telecom Ltd Telecommunication method and system for using same
GB2352949A (en) * 1999-08-02 2001-02-07 Motorola Ltd Speech coder for communications unit
US6910007B2 (en) * 2000-05-31 2005-06-21 At&T Corp Stochastic modeling of spectral adjustment for high quality pitch modification
JP2002032096A (ja) * 2000-07-18 2002-01-31 Matsushita Electric Ind Co Ltd 雑音区間／音声区間判定装置
US7171355B1 (en) * 2000-10-25 2007-01-30 Broadcom Corporation Method and apparatus for one-stage and two-stage noise feedback coding of speech and audio signals
US7392179B2 (en) * 2000-11-30 2008-06-24 Matsushita Electric Industrial Co., Ltd. LPC vector quantization apparatus
JP4857468B2 (ja) * 2001-01-25 2012-01-18 ソニー株式会社 データ処理装置およびデータ処理方法、並びにプログラムおよび記録媒体
US7003454B2 (en) * 2001-05-16 2006-02-21 Nokia Corporation Method and system for line spectral frequency vector quantization in speech codec
US6584437B2 (en) 2001-06-11 2003-06-24 Nokia Mobile Phones Ltd. Method and apparatus for coding successive pitch periods in speech signal
US7110942B2 (en) * 2001-08-14 2006-09-19 Broadcom Corporation Efficient excitation quantization in a noise feedback coding system using correlation techniques
US7206740B2 (en) * 2002-01-04 2007-04-17 Broadcom Corporation Efficient excitation quantization in noise feedback coding with general noise shaping
US7752052B2 (en) * 2002-04-26 2010-07-06 Panasonic Corporation Scalable coder and decoder performing amplitude flattening for error spectrum estimation
CA2388358A1 (en) * 2002-05-31 2003-11-30 Voiceage Corporation A method and device for multi-rate lattice vector quantization
US7337110B2 (en) * 2002-08-26 2008-02-26 Motorola, Inc. Structured VSELP codebook for low complexity search
US7047188B2 (en) * 2002-11-08 2006-05-16 Motorola, Inc. Method and apparatus for improvement coding of the subframe gain in a speech coding system
US7054807B2 (en) * 2002-11-08 2006-05-30 Motorola, Inc. Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters
US7272557B2 (en) * 2003-05-01 2007-09-18 Microsoft Corporation Method and apparatus for quantizing model parameters
ES2305852T3 (es) * 2003-10-10 2008-11-01 Agency For Science, Technology And Research Procedimiento de codificacion de una señal digital en un flujo binario escalable, procedimiento para la descodificacion de un flujo binario escalable.
US8473286B2 (en) * 2004-02-26 2013-06-25 Broadcom Corporation Noise feedback coding system and method for providing generalized noise shaping within a simple filter structure
US7697766B2 (en) * 2005-03-17 2010-04-13 Delphi Technologies, Inc. System and method to determine awareness
JP4871894B2 (ja) 2007-03-02 2012-02-08 パナソニック株式会社 符号化装置、復号装置、符号化方法および復号方法
CN101030377B (zh) * 2007-04-13 2010-12-15 清华大学 提高声码器基音周期参数量化精度的方法
CA2729751C (en) 2008-07-10 2017-10-24 Voiceage Corporation Device and method for quantizing and inverse quantizing lpc filters in a super-frame
US8363957B2 (en) * 2009-08-06 2013-01-29 Delphi Technologies, Inc. Image classification system and method thereof
CN101968778A (zh) * 2010-08-13 2011-02-09 广州永日电梯有限公司 点阵串行显示方法
FI3547261T3 (fi) * 2012-03-29 2023-09-26 Ericsson Telefon Ab L M Vektorikvantisoija
KR20240010550A (ko) * 2014-03-28 2024-01-23 삼성전자주식회사 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
US10504532B2 (en) 2014-05-07 2019-12-10 Samsung Electronics Co., Ltd. Method and device for quantizing linear predictive coefficient, and method and device for dequantizing same
WO2016030568A1 (en) * 2014-08-28 2016-03-03 Nokia Technologies Oy Audio parameter quantization
CN109887519B (zh) * 2019-03-14 2021-05-11 北京芯盾集团有限公司 提高语音信道数据传输准确性的方法

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US4544919A (en) * 1982-01-03 1985-10-01 Motorola, Inc. Method and means of determining coefficients for linear predictive coding
JPS59116698A (ja) * 1982-12-23 1984-07-05 シャープ株式会社 音声デ−タ圧縮方法
US4896361A (en) * 1988-01-07 1990-01-23 Motorola, Inc. Digital speech coder having improved vector excitation source
US4817157A (en) * 1988-01-07 1989-03-28 Motorola, Inc. Digital speech coder having improved vector excitation source
EP0331857B1 (en) * 1988-03-08 1992-05-20 International Business Machines Corporation Improved low bit rate voice coding method and system
EP0331858B1 (en) * 1988-03-08 1993-08-25 International Business Machines Corporation Multi-rate voice encoding method and device
JPH02250100A (ja) * 1989-03-24 1990-10-05 Mitsubishi Electric Corp 音声符合化装置
US4974099A (en) * 1989-06-21 1990-11-27 International Mobile Machines Corporation Communication signal compression system and method
US5012518A (en) * 1989-07-26 1991-04-30 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing
US4975956A (en) * 1989-07-26 1990-12-04 Itt Corporation Low-bit-rate speech coder using LPC data reduction processing
US4963030A (en) * 1989-11-29 1990-10-16 California Institute Of Technology Distributed-block vector quantization coder
JP2626223B2 (ja) * 1990-09-26 1997-07-02 日本電気株式会社 音声符号化装置
JP3129778B2 (ja) * 1991-08-30 2001-01-31 富士通株式会社 ベクトル量子化器
US5307460A (en) * 1992-02-14 1994-04-26 Hughes Aircraft Company Method and apparatus for determining the excitation signal in VSELP coders
US5351338A (en) * 1992-07-06 1994-09-27 Telefonaktiebolaget L M Ericsson Time variable spectral analysis based on interpolation for speech coding

Also Published As

Publication number Publication date
BR9404725A (pt) 1999-06-15
CN1109697A (zh) 1995-10-04
CN1166019A (zh) 1997-11-26
SE524202C2 (sv) 2004-07-06
AU678953B2 (en) 1997-06-12
DE4492048T1 (de) 1995-04-27
SE0201109D0 (sv) 2002-04-12
FR2706064B1 (fr) 1997-06-27
CA2135629A1 (en) 1994-10-13
WO1994023426A1 (en) 1994-10-13
AU6397094A (en) 1994-10-24
SE0201109L (sv) 2002-04-12
US5826224A (en) 1998-10-20
GB9802900D0 (en) 1998-04-08
JP3042886B2 (ja) 2000-05-22
GB2282943B (en) 1998-06-03
GB2282943A (en) 1995-04-19
GB9422823D0 (en) 1995-01-04
SE9404086D0 (sv) 1994-11-25
FR2706064A1 (fr) 1994-12-09
CA2135629C (en) 2000-02-08
AU6084396A (en) 1996-10-10
SE9404086L (sv) 1995-01-25
CN1051392C (zh) 2000-04-12
JPH07507885A (ja) 1995-08-31
SE518319C2 (sv) 2002-09-24
CN1150516C (zh) 2004-05-19
DE4492048C2 (de) 1997-01-02
AU668817B2 (en) 1996-05-16
US5675702A (en) 1997-10-07

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