WO2006049179A1 - ベクトル変換装置及びベクトル変換方法 - Google Patents
ベクトル変換装置及びベクトル変換方法 Download PDFInfo
- Publication number
- WO2006049179A1 WO2006049179A1 PCT/JP2005/020129 JP2005020129W WO2006049179A1 WO 2006049179 A1 WO2006049179 A1 WO 2006049179A1 JP 2005020129 W JP2005020129 W JP 2005020129W WO 2006049179 A1 WO2006049179 A1 WO 2006049179A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vector
- code
- codebook
- lpc
- quantization
- Prior art date
Links
Classifications
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
-
- 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
- G10L19/07—Line spectrum pair [LSP] vocoders
-
- 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
-
- 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
- G10L19/16—Vocoder architecture
- G10L19/18—Vocoders using multiple modes
- G10L19/24—Variable rate codecs, e.g. for generating different qualities using a scalable representation such as hierarchical encoding or layered encoding
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Quality & Reliability (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BRPI0517778-2A BRPI0517778A (pt) | 2004-11-04 | 2005-11-01 | aparelho de transformação de vetor e método de transformação de vetor |
US11/718,555 US7809558B2 (en) | 2004-11-04 | 2005-11-01 | Vector transformation apparatus and vector transformation method |
CA002586251A CA2586251A1 (en) | 2004-11-04 | 2005-11-01 | Vector conversion device and vector conversion method |
EP05805483.4A EP1796084B1 (en) | 2004-11-04 | 2005-11-01 | Apparatus and method for LPC vector transformation |
CN2005800380550A CN101057275B (zh) | 2004-11-04 | 2005-11-01 | 矢量变换装置以及矢量变换方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004321248A JP4871501B2 (ja) | 2004-11-04 | 2004-11-04 | ベクトル変換装置及びベクトル変換方法 |
JP2004-321248 | 2004-11-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006049179A1 true WO2006049179A1 (ja) | 2006-05-11 |
Family
ID=36319184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/020129 WO2006049179A1 (ja) | 2004-11-04 | 2005-11-01 | ベクトル変換装置及びベクトル変換方法 |
Country Status (9)
Country | Link |
---|---|
US (1) | US7809558B2 (ja) |
EP (1) | EP1796084B1 (ja) |
JP (1) | JP4871501B2 (ja) |
KR (1) | KR20070083957A (ja) |
CN (1) | CN101057275B (ja) |
BR (1) | BRPI0517778A (ja) |
CA (1) | CA2586251A1 (ja) |
RU (1) | RU2007116804A (ja) |
WO (1) | WO2006049179A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011048810A1 (ja) * | 2009-10-20 | 2011-04-28 | パナソニック株式会社 | ベクトル量子化装置及びベクトル量子化方法 |
RU2509379C2 (ru) * | 2008-07-10 | 2014-03-10 | Войсэйдж Корпорейшн | Устройство и способ квантования и обратного квантования lpc-фильтров в суперкадре |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7610195B2 (en) * | 2006-06-01 | 2009-10-27 | Nokia Corporation | Decoding of predictively coded data using buffer adaptation |
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 |
AU2008283697B2 (en) * | 2007-07-27 | 2012-05-10 | Iii Holdings 12, Llc | Audio encoding device and audio encoding method |
EP2045800A1 (en) * | 2007-10-05 | 2009-04-08 | Nokia Siemens Networks Oy | Method and apparatus for transcoding |
KR101261677B1 (ko) * | 2008-07-14 | 2013-05-06 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
JP5746974B2 (ja) * | 2009-11-13 | 2015-07-08 | パナソニック インテレクチュアル プロパティ コーポレーション オブアメリカPanasonic Intellectual Property Corporation of America | 符号化装置、復号装置およびこれらの方法 |
WO2011074233A1 (ja) * | 2009-12-14 | 2011-06-23 | パナソニック株式会社 | ベクトル量子化装置、音声符号化装置、ベクトル量子化方法、及び音声符号化方法 |
PT2559028E (pt) * | 2010-04-14 | 2015-11-18 | Voiceage Corp | Livro de códigos de inovação combinados flexível e evolutivo a utilizar num codificador e descodificador celp |
EP2581904B1 (en) * | 2010-06-11 | 2015-10-07 | Panasonic Intellectual Property Corporation of America | Audio (de)coding apparatus and method |
US8924200B2 (en) * | 2010-10-15 | 2014-12-30 | Motorola Mobility Llc | Audio signal bandwidth extension in CELP-based speech coder |
US8868432B2 (en) * | 2010-10-15 | 2014-10-21 | Motorola Mobility Llc | Audio signal bandwidth extension in CELP-based speech coder |
CN102783034B (zh) * | 2011-02-01 | 2014-12-17 | 华为技术有限公司 | 用于提供信号处理系数的方法和设备 |
JP5817499B2 (ja) * | 2011-12-15 | 2015-11-18 | 富士通株式会社 | 復号装置、符号化装置、符号化復号システム、復号方法、符号化方法、復号プログラム、及び符号化プログラム |
US20150170655A1 (en) * | 2013-12-15 | 2015-06-18 | Qualcomm Incorporated | Systems and methods of blind bandwidth extension |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08123495A (ja) * | 1994-10-28 | 1996-05-17 | Mitsubishi Electric Corp | 広帯域音声復元装置 |
JP2003323199A (ja) * | 2002-04-26 | 2003-11-14 | Matsushita Electric Ind Co Ltd | 符号化装置、復号化装置及び符号化方法、復号化方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4926488A (en) * | 1987-07-09 | 1990-05-15 | International Business Machines Corporation | Normalization of speech by adaptive labelling |
JP2779886B2 (ja) * | 1992-10-05 | 1998-07-23 | 日本電信電話株式会社 | 広帯域音声信号復元方法 |
US6889182B2 (en) * | 2001-01-12 | 2005-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Speech bandwidth extension |
US6895375B2 (en) * | 2001-10-04 | 2005-05-17 | At&T Corp. | System for bandwidth extension of Narrow-band speech |
EP1489599B1 (en) | 2002-04-26 | 2016-05-11 | Panasonic Intellectual Property Corporation of America | Coding device and decoding device |
-
2004
- 2004-11-04 JP JP2004321248A patent/JP4871501B2/ja not_active Expired - Fee Related
-
2005
- 2005-11-01 KR KR1020077010121A patent/KR20070083957A/ko not_active Application Discontinuation
- 2005-11-01 CA CA002586251A patent/CA2586251A1/en not_active Abandoned
- 2005-11-01 BR BRPI0517778-2A patent/BRPI0517778A/pt not_active Application Discontinuation
- 2005-11-01 WO PCT/JP2005/020129 patent/WO2006049179A1/ja active Application Filing
- 2005-11-01 US US11/718,555 patent/US7809558B2/en not_active Expired - Fee Related
- 2005-11-01 RU RU2007116804/09A patent/RU2007116804A/ru not_active Application Discontinuation
- 2005-11-01 CN CN2005800380550A patent/CN101057275B/zh not_active Expired - Fee Related
- 2005-11-01 EP EP05805483.4A patent/EP1796084B1/en not_active Not-in-force
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH08123495A (ja) * | 1994-10-28 | 1996-05-17 | Mitsubishi Electric Corp | 広帯域音声復元装置 |
JP2003323199A (ja) * | 2002-04-26 | 2003-11-14 | Matsushita Electric Ind Co Ltd | 符号化装置、復号化装置及び符号化方法、復号化方法 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2509379C2 (ru) * | 2008-07-10 | 2014-03-10 | Войсэйдж Корпорейшн | Устройство и способ квантования и обратного квантования lpc-фильтров в суперкадре |
US8712764B2 (en) | 2008-07-10 | 2014-04-29 | Voiceage Corporation | Device and method for quantizing and inverse quantizing LPC filters in a super-frame |
US9245532B2 (en) | 2008-07-10 | 2016-01-26 | Voiceage Corporation | Variable bit rate LPC filter quantizing and inverse quantizing device and method |
USRE49363E1 (en) | 2008-07-10 | 2023-01-10 | Voiceage Corporation | Variable bit rate LPC filter quantizing and inverse quantizing device and method |
WO2011048810A1 (ja) * | 2009-10-20 | 2011-04-28 | パナソニック株式会社 | ベクトル量子化装置及びベクトル量子化方法 |
Also Published As
Publication number | Publication date |
---|---|
EP1796084B1 (en) | 2014-06-04 |
US20080126085A1 (en) | 2008-05-29 |
EP1796084A4 (en) | 2008-07-02 |
US7809558B2 (en) | 2010-10-05 |
KR20070083957A (ko) | 2007-08-24 |
BRPI0517778A (pt) | 2008-10-21 |
CA2586251A1 (en) | 2006-05-11 |
EP1796084A1 (en) | 2007-06-13 |
CN101057275A (zh) | 2007-10-17 |
CN101057275B (zh) | 2011-06-15 |
JP2006133423A (ja) | 2006-05-25 |
RU2007116804A (ru) | 2008-11-20 |
JP4871501B2 (ja) | 2012-02-08 |
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