BR9404725A - Processo de quantificação por vetor de um vetor de coeficiente de reflexão ótimo processo de codificação de fala sistema de comunicação de rádio e processo de armazenagem de vetores de coeficiente de reflexão - Google Patents

Processo de quantificação por vetor de um vetor de coeficiente de reflexão ótimo processo de codificação de fala sistema de comunicação de rádio e processo de armazenagem de vetores de coeficiente de reflexão

Info

Publication number
BR9404725A
BR9404725A BR9404725A BR9404725A BR9404725A BR 9404725 A BR9404725 A BR 9404725A BR 9404725 A BR9404725 A BR 9404725A BR 9404725 A BR9404725 A BR 9404725A BR 9404725 A BR9404725 A BR 9404725A
Authority
BR
Brazil
Prior art keywords
reflection coefficient
coefficient vector
vector
communication system
radio communication
Prior art date
Application number
BR9404725A
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 BR9404725A publication Critical patent/BR9404725A/pt

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/083Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being an excitation gain
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/08Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
    • G10L19/12Determination 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
    • G10L19/135Vector sum excited linear prediction [VSELP]
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L2019/0001Codebooks
    • G10L2019/0013Codebook search algorithms
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/06Speech 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/03Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 characterised by the type of extracted parameters
    • G10L25/24Speech 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
BR9404725A 1993-03-26 1994-03-07 Processo de quantificação por vetor de um vetor de coeficiente de reflexão ótimo processo de codificação de fala sistema de comunicação de rádio e processo de armazenagem de vetores de coeficiente de reflexão BR9404725A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3779393A 1993-03-26 1993-03-26
PCT/US1994/002370 WO1994023426A1 (en) 1993-03-26 1994-03-07 Vector quantizer method and apparatus

Publications (1)

Publication Number Publication Date
BR9404725A true BR9404725A (pt) 1999-06-15

Family

ID=21896370

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9404725A BR9404725A (pt) 1993-03-26 1994-03-07 Processo de quantificação por vetor de um vetor de coeficiente de reflexão ótimo processo de codificação de fala sistema de comunicação de rádio e processo de armazenagem de vetores de coeficiente de reflexão

Country Status (12)

Country Link
US (2) US5826224A (pt)
JP (1) JP3042886B2 (pt)
CN (2) CN1051392C (pt)
AU (2) AU668817B2 (pt)
BR (1) BR9404725A (pt)
CA (1) CA2135629C (pt)
DE (2) DE4492048T1 (pt)
FR (1) FR2706064B1 (pt)
GB (2) GB2282943B (pt)
SE (2) SE518319C2 (pt)
SG (1) SG47025A1 (pt)
WO (1) WO1994023426A1 (pt)

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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
AU2002218501A1 (en) * 2000-11-30 2002-06-11 Matsushita Electric Industrial Co., Ltd. Vector quantizing device for lpc parameters
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
EP1489599B1 (en) * 2002-04-26 2016-05-11 Panasonic Intellectual Property Corporation of America Coding device and decoding device
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
US7054807B2 (en) * 2002-11-08 2006-05-30 Motorola, Inc. Optimizing encoder for efficiently determining analysis-by-synthesis codebook-related parameters
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
US7272557B2 (en) * 2003-05-01 2007-09-18 Microsoft Corporation Method and apparatus for quantizing model parameters
US8446947B2 (en) * 2003-10-10 2013-05-21 Agency For Science, Technology And Research Method for encoding a digital signal into a scalable bitstream; method for decoding a scalable bitstream
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
CN110853659B (zh) * 2014-03-28 2024-01-05 三星电子株式会社 用于对音频信号进行编码的量化装置
KR102593442B1 (ko) 2014-05-07 2023-10-25 삼성전자주식회사 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치
CN107077856B (zh) * 2014-08-28 2020-07-14 诺基亚技术有限公司 音频参数量化
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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Also Published As

Publication number Publication date
GB9802900D0 (en) 1998-04-08
SG47025A1 (en) 1998-03-20
SE0201109L (sv) 2002-04-12
WO1994023426A1 (en) 1994-10-13
DE4492048T1 (de) 1995-04-27
SE9404086L (sv) 1995-01-25
US5675702A (en) 1997-10-07
SE524202C2 (sv) 2004-07-06
FR2706064A1 (fr) 1994-12-09
CN1051392C (zh) 2000-04-12
AU6084396A (en) 1996-10-10
CN1166019A (zh) 1997-11-26
GB2282943B (en) 1998-06-03
SE0201109D0 (sv) 2002-04-12
AU6397094A (en) 1994-10-24
GB2282943A (en) 1995-04-19
DE4492048C2 (de) 1997-01-02
AU668817B2 (en) 1996-05-16
JPH07507885A (ja) 1995-08-31
AU678953B2 (en) 1997-06-12
CN1109697A (zh) 1995-10-04
US5826224A (en) 1998-10-20
CN1150516C (zh) 2004-05-19
FR2706064B1 (fr) 1997-06-27
SE9404086D0 (sv) 1994-11-25
CA2135629C (en) 2000-02-08
SE518319C2 (sv) 2002-09-24
GB9422823D0 (en) 1995-01-04
JP3042886B2 (ja) 2000-05-22
CA2135629A1 (en) 1994-10-13

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B25L Entry of change of name and/or headquarter and transfer of application, patent and certificate of addition of invention: publication cancelled

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B25A Requested transfer of rights approved

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Ipc: G10L 19/083 (2013.01), G10L 19/06 (2013.0