WO1998005030A1 - Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder - Google Patents
Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder Download PDFInfo
- Publication number
- WO1998005030A1 WO1998005030A1 PCT/US1997/013594 US9713594W WO9805030A1 WO 1998005030 A1 WO1998005030 A1 WO 1998005030A1 US 9713594 W US9713594 W US 9713594W WO 9805030 A1 WO9805030 A1 WO 9805030A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- impulse response
- accordance
- codebook
- speech
- vector
- 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
- G10L15/00—Speech recognition
- G10L15/02—Feature extraction for speech recognition; Selection of recognition unit
-
- 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
- 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
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE69727578T DE69727578D1 (en) | 1996-07-31 | 1997-07-31 | METHOD AND DEVICE FOR BROWSING AN EXCITATION CODE BOOK IN A CELP ENCODER |
IL12828597A IL128285A0 (en) | 1996-07-31 | 1997-07-31 | Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder |
JP10509169A JP2000515998A (en) | 1996-07-31 | 1997-07-31 | Method and apparatus for searching an excitation codebook in a code-excited linear prediction (CELP) coder |
BR9710640-2A BR9710640A (en) | 1996-07-31 | 1997-07-31 | Method and apparatus for searching for an excitation codebook in a code excited linear prediction encoder (clep) |
AU39694/97A AU719568B2 (en) | 1996-07-31 | 1997-07-31 | Method for searching an excitation codebook in a code excited linear prediction (CELP) coder |
EP97937095A EP0917710B1 (en) | 1996-07-31 | 1997-07-31 | Method and apparatus for searching an excitation codebook in a code excited linear prediction (celp) coder |
CA002261956A CA2261956A1 (en) | 1996-07-31 | 1997-07-31 | Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder |
AT97937095T ATE259532T1 (en) | 1996-07-31 | 1997-07-31 | METHOD AND APPARATUS FOR SEARCHING AN EXCITATION CODEBOOK IN A CELP CODE |
FI990181A FI990181A (en) | 1996-07-31 | 1999-02-01 | Method and device for searching a trigger codebook in a CELP encoder |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/690,709 US5751901A (en) | 1996-07-31 | 1996-07-31 | Method for searching an excitation codebook in a code excited linear prediction (CELP) coder |
US690,709 | 1996-07-31 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1998005030A1 true WO1998005030A1 (en) | 1998-02-05 |
WO1998005030A9 WO1998005030A9 (en) | 1998-06-11 |
Family
ID=24773618
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1997/013594 WO1998005030A1 (en) | 1996-07-31 | 1997-07-31 | Method and apparatus for searching an excitation codebook in a code excited linear prediction (clep) coder |
Country Status (13)
Country | Link |
---|---|
US (1) | US5751901A (en) |
EP (1) | EP0917710B1 (en) |
JP (1) | JP2000515998A (en) |
KR (1) | KR100497788B1 (en) |
CN (1) | CN1124589C (en) |
AT (1) | ATE259532T1 (en) |
AU (1) | AU719568B2 (en) |
BR (1) | BR9710640A (en) |
CA (1) | CA2261956A1 (en) |
DE (1) | DE69727578D1 (en) |
FI (1) | FI990181A (en) |
IL (1) | IL128285A0 (en) |
WO (1) | WO1998005030A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8566106B2 (en) | 2007-09-11 | 2013-10-22 | Voiceage Corporation | Method and device for fast algebraic codebook search in speech and audio coding |
WO2014053261A1 (en) * | 2012-10-05 | 2014-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus for encoding a speech signal employing acelp in the autocorrelation domain |
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JPH11513813A (en) * | 1995-10-20 | 1999-11-24 | アメリカ オンライン インコーポレイテッド | Repetitive sound compression system |
US6714907B2 (en) * | 1998-08-24 | 2004-03-30 | Mindspeed Technologies, Inc. | Codebook structure and search for speech coding |
KR100576024B1 (en) * | 2000-04-12 | 2006-05-02 | 삼성전자주식회사 | Codebook searching apparatus and method in a speech compressor having an acelp structure |
US7363219B2 (en) * | 2000-09-22 | 2008-04-22 | Texas Instruments Incorporated | Hybrid speech coding and system |
US7606703B2 (en) * | 2000-11-15 | 2009-10-20 | Texas Instruments Incorporated | Layered celp system and method with varying perceptual filter or short-term postfilter strengths |
US6766289B2 (en) * | 2001-06-04 | 2004-07-20 | Qualcomm Incorporated | Fast code-vector searching |
US6789059B2 (en) * | 2001-06-06 | 2004-09-07 | Qualcomm Incorporated | Reducing memory requirements of a codebook vector search |
DE10140507A1 (en) * | 2001-08-17 | 2003-02-27 | Philips Corp Intellectual Pty | Method for the algebraic codebook search of a speech signal coder |
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 |
JP3887598B2 (en) * | 2002-11-14 | 2007-02-28 | 松下電器産業株式会社 | Coding method and decoding method for sound source of probabilistic codebook |
US7249014B2 (en) * | 2003-03-13 | 2007-07-24 | Intel Corporation | Apparatus, methods and articles incorporating a fast algebraic codebook search technique |
GB0307752D0 (en) * | 2003-04-03 | 2003-05-07 | Seiko Epson Corp | Apparatus for algebraic codebook search |
CA2524243C (en) * | 2003-04-30 | 2013-02-19 | Matsushita Electric Industrial Co. Ltd. | Speech coding apparatus including enhancement layer performing long term prediction |
KR100668300B1 (en) * | 2003-07-09 | 2007-01-12 | 삼성전자주식회사 | Bitrate scalable speech coding and decoding apparatus and method thereof |
US7894610B2 (en) * | 2003-12-02 | 2011-02-22 | Thomson Licensing | Method for coding and decoding impulse responses of audio signals |
JP3981399B1 (en) * | 2006-03-10 | 2007-09-26 | 松下電器産業株式会社 | Fixed codebook search apparatus and fixed codebook search method |
US8920343B2 (en) | 2006-03-23 | 2014-12-30 | Michael Edward Sabatino | Apparatus for acquiring and processing of physiological auditory signals |
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- 1996-07-31 US US08/690,709 patent/US5751901A/en not_active Expired - Lifetime
-
1997
- 1997-07-31 AU AU39694/97A patent/AU719568B2/en not_active Expired
- 1997-07-31 KR KR10-1999-7000852A patent/KR100497788B1/en active IP Right Grant
- 1997-07-31 EP EP97937095A patent/EP0917710B1/en not_active Expired - Lifetime
- 1997-07-31 CA CA002261956A patent/CA2261956A1/en not_active Abandoned
- 1997-07-31 WO PCT/US1997/013594 patent/WO1998005030A1/en active IP Right Grant
- 1997-07-31 AT AT97937095T patent/ATE259532T1/en not_active IP Right Cessation
- 1997-07-31 JP JP10509169A patent/JP2000515998A/en active Pending
- 1997-07-31 IL IL12828597A patent/IL128285A0/en unknown
- 1997-07-31 CN CN97197717A patent/CN1124589C/en not_active Expired - Lifetime
- 1997-07-31 BR BR9710640-2A patent/BR9710640A/en not_active IP Right Cessation
- 1997-07-31 DE DE69727578T patent/DE69727578D1/en not_active Expired - Lifetime
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1999
- 1999-02-01 FI FI990181A patent/FI990181A/en not_active Application Discontinuation
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8566106B2 (en) | 2007-09-11 | 2013-10-22 | Voiceage Corporation | Method and device for fast algebraic codebook search in speech and audio coding |
WO2014053261A1 (en) * | 2012-10-05 | 2014-04-10 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus for encoding a speech signal employing acelp in the autocorrelation domain |
CN104854656A (en) * | 2012-10-05 | 2015-08-19 | 弗兰霍菲尔运输应用研究公司 | An apparatus for encoding a speech signal employing acelp in the autocorrelation domain |
AU2013327192B2 (en) * | 2012-10-05 | 2016-06-09 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | An apparatus for encoding a speech signal employing ACELP in the autocorrelation domain |
RU2636126C2 (en) * | 2012-10-05 | 2017-11-20 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Speech signal encoding device using acelp in autocorrelation area |
US10170129B2 (en) | 2012-10-05 | 2019-01-01 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus for encoding a speech signal employing ACELP in the autocorrelation domain |
EP3444818A1 (en) * | 2012-10-05 | 2019-02-20 | Fraunhofer Gesellschaft zur Förderung der Angewand | An apparatus for encoding a speech signal employing acelp in the autocorrelation domain |
US11264043B2 (en) | 2012-10-05 | 2022-03-01 | Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschunq e.V. | Apparatus for encoding a speech signal employing ACELP in the autocorrelation domain |
EP4213146A1 (en) * | 2012-10-05 | 2023-07-19 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | An apparatus for encoding a speech signal employing acelp in the autocorrelation domain |
Also Published As
Publication number | Publication date |
---|---|
BR9710640A (en) | 2002-08-06 |
CA2261956A1 (en) | 1998-02-05 |
AU719568B2 (en) | 2000-05-11 |
KR20000029745A (en) | 2000-05-25 |
FI990181A (en) | 1999-03-31 |
ATE259532T1 (en) | 2004-02-15 |
CN1124589C (en) | 2003-10-15 |
AU3969497A (en) | 1998-02-20 |
JP2000515998A (en) | 2000-11-28 |
DE69727578D1 (en) | 2004-03-18 |
EP0917710A1 (en) | 1999-05-26 |
FI990181A0 (en) | 1999-02-01 |
US5751901A (en) | 1998-05-12 |
EP0917710B1 (en) | 2004-02-11 |
IL128285A0 (en) | 2000-02-17 |
KR100497788B1 (en) | 2005-06-29 |
CN1229502A (en) | 1999-09-22 |
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