CN1109697A - 矢量量化器方法和设备 - Google Patents
矢量量化器方法和设备 Download PDFInfo
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- CN1109697A CN1109697A CN94190277A CN94190277A CN1109697A CN 1109697 A CN1109697 A CN 1109697A CN 94190277 A CN94190277 A CN 94190277A CN 94190277 A CN94190277 A CN 94190277A CN 1109697 A CN1109697 A CN 1109697A
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- 239000013598 vector Substances 0.000 title claims abstract description 190
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000013139 quantization Methods 0.000 claims description 26
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- 238000004891 communication Methods 0.000 claims description 8
- 238000011002 quantification Methods 0.000 claims description 3
- 230000011514 reflex Effects 0.000 claims 6
- 239000011159 matrix material Substances 0.000 description 11
- 230000005284 excitation Effects 0.000 description 9
- 230000007774 longterm Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
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Classifications
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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 OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Abstract
Description
Claims (8)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US3779393A | 1993-03-26 | 1993-03-26 | |
US08/037,793 | 1993-03-26 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971034516A Division CN1150516C (zh) | 1993-03-26 | 1997-03-12 | 语音编码方法和语音编码器 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1109697A true CN1109697A (zh) | 1995-10-04 |
CN1051392C CN1051392C (zh) | 2000-04-12 |
Family
ID=21896370
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN94190277A Expired - Lifetime CN1051392C (zh) | 1993-03-26 | 1994-03-07 | 矢量量化器方法 |
CNB971034516A Expired - Lifetime CN1150516C (zh) | 1993-03-26 | 1997-03-12 | 语音编码方法和语音编码器 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB971034516A Expired - Lifetime CN1150516C (zh) | 1993-03-26 | 1997-03-12 | 语音编码方法和语音编码器 |
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) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
CN1659785B (zh) * | 2002-05-31 | 2011-04-20 | 沃伊斯亚吉公司 | 信号多速率点阵矢量量化的方法和系统 |
CN107077856A (zh) * | 2014-08-28 | 2017-08-18 | 诺基亚技术有限公司 | 音频参数量化 |
Families Citing this family (36)
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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 |
CA2733453C (en) * | 2000-11-30 | 2014-10-14 | Panasonic Corporation | 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 |
WO2003091989A1 (en) * | 2002-04-26 | 2003-11-06 | Matsushita Electric Industrial Co., Ltd. | Coding device, decoding device, coding method, and decoding method |
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 |
CN1890711B (zh) * | 2003-10-10 | 2011-01-19 | 新加坡科技研究局 | 将数字信号编码成可扩缩比特流的方法和对可扩缩比特流解码的方法 |
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 |
CN102089810B (zh) * | 2008-07-10 | 2013-05-08 | 沃伊斯亚吉公司 | 多基准线性预测系数滤波器量化和逆量化设备及方法 |
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 |
CN107170459B (zh) * | 2012-03-29 | 2020-08-04 | 瑞典爱立信有限公司 | 矢量量化器 |
WO2015145266A2 (ko) * | 2014-03-28 | 2015-10-01 | 삼성전자 주식회사 | 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 |
KR102400540B1 (ko) | 2014-05-07 | 2022-05-20 | 삼성전자주식회사 | 선형예측계수 양자화방법 및 장치와 역양자화 방법 및 장치 |
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 |
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 |
DE3883519T2 (de) * | 1988-03-08 | 1994-03-17 | Ibm | Verfahren und Einrichtung zur Sprachkodierung mit mehreren Datenraten. |
EP0331857B1 (en) * | 1988-03-08 | 1992-05-20 | International Business Machines Corporation | Improved low bit rate voice coding method and system |
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 |
US4975956A (en) * | 1989-07-26 | 1990-12-04 | Itt Corporation | Low-bit-rate speech coder using LPC data reduction processing |
US5012518A (en) * | 1989-07-26 | 1991-04-30 | 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 |
-
1994
- 1994-03-07 CN CN94190277A patent/CN1051392C/zh not_active Expired - Lifetime
- 1994-03-07 WO PCT/US1994/002370 patent/WO1994023426A1/en active Application Filing
- 1994-03-07 CA CA002135629A patent/CA2135629C/en not_active Expired - Lifetime
- 1994-03-07 GB GB9422823A patent/GB2282943B/en not_active Expired - Lifetime
- 1994-03-07 DE DE4492048A patent/DE4492048C2/de not_active Expired - Lifetime
- 1994-03-07 DE DE4492048T patent/DE4492048T1/de active Pending
- 1994-03-07 JP JP6522073A patent/JP3042886B2/ja not_active Expired - Lifetime
- 1994-03-07 SG SG1996002558A patent/SG47025A1/en unknown
- 1994-03-07 AU AU63970/94A patent/AU668817B2/en not_active Expired
- 1994-03-07 BR BR9404725A patent/BR9404725A/pt not_active IP Right Cessation
- 1994-03-23 FR FR9403414A patent/FR2706064B1/fr not_active Expired - Lifetime
- 1994-11-25 SE SE9404086A patent/SE518319C2/sv not_active IP Right Cessation
-
1996
- 1996-02-29 US US08/609,027 patent/US5826224A/en not_active Expired - Lifetime
- 1996-03-08 US US08/611,608 patent/US5675702A/en not_active Expired - Lifetime
- 1996-08-01 AU AU60843/96A patent/AU678953B2/en not_active Expired
-
1997
- 1997-03-12 CN CNB971034516A patent/CN1150516C/zh not_active Expired - Lifetime
-
1998
- 1998-02-12 GB GBGB9802900.2A patent/GB9802900D0/en active Pending
-
2002
- 2002-04-12 SE SE0201109A patent/SE524202C2/sv not_active IP Right Cessation
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1659785B (zh) * | 2002-05-31 | 2011-04-20 | 沃伊斯亚吉公司 | 信号多速率点阵矢量量化的方法和系统 |
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 |
CN107077856A (zh) * | 2014-08-28 | 2017-08-18 | 诺基亚技术有限公司 | 音频参数量化 |
Also Published As
Publication number | Publication date |
---|---|
SE518319C2 (sv) | 2002-09-24 |
CA2135629C (en) | 2000-02-08 |
SE9404086L (sv) | 1995-01-25 |
SG47025A1 (en) | 1998-03-20 |
AU6084396A (en) | 1996-10-10 |
BR9404725A (pt) | 1999-06-15 |
GB9802900D0 (en) | 1998-04-08 |
JP3042886B2 (ja) | 2000-05-22 |
CN1150516C (zh) | 2004-05-19 |
AU678953B2 (en) | 1997-06-12 |
US5675702A (en) | 1997-10-07 |
DE4492048T1 (de) | 1995-04-27 |
WO1994023426A1 (en) | 1994-10-13 |
SE0201109D0 (sv) | 2002-04-12 |
DE4492048C2 (de) | 1997-01-02 |
SE0201109L (sv) | 2002-04-12 |
AU668817B2 (en) | 1996-05-16 |
FR2706064A1 (fr) | 1994-12-09 |
CN1166019A (zh) | 1997-11-26 |
US5826224A (en) | 1998-10-20 |
FR2706064B1 (fr) | 1997-06-27 |
GB2282943B (en) | 1998-06-03 |
CA2135629A1 (en) | 1994-10-13 |
CN1051392C (zh) | 2000-04-12 |
GB9422823D0 (en) | 1995-01-04 |
SE524202C2 (sv) | 2004-07-06 |
GB2282943A (en) | 1995-04-19 |
AU6397094A (en) | 1994-10-24 |
SE9404086D0 (sv) | 1994-11-25 |
JPH07507885A (ja) | 1995-08-31 |
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