IN187842B - - Google Patents
Info
- Publication number
- IN187842B IN187842B IN422CA1996A IN187842B IN 187842 B IN187842 B IN 187842B IN 422CA1996 A IN422CA1996 A IN 422CA1996A IN 187842 B IN187842 B IN 187842B
- Authority
- IN
- India
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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
- G10L19/107—Sparse pulse excitation, e.g. by using algebraic codebook
-
- 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
-
- 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
- G10L19/10—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters the excitation function being a multipulse excitation
-
- 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
-
- 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
- G10L2019/0004—Design or structure of the codebook
-
- 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
- G10L2019/0007—Codebook element generation
- G10L2019/0008—Algebraic codebooks
-
- 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
- G10L2019/0011—Long term prediction filters, i.e. pitch estimation
-
- 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
- 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
- G10L2019/0014—Selection criteria for distances
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Algebra (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Mobile Radio Communication Systems (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US40178595A | 1995-03-10 | 1995-03-10 | |
| US08/509,525 US5701392A (en) | 1990-02-23 | 1995-07-31 | Depth-first algebraic-codebook search for fast coding of speech |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IN187842B true IN187842B (da) | 2002-07-06 |
Family
ID=27017596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IN422CA1996 IN187842B (da) | 1995-03-10 | 1996-03-08 |
Country Status (24)
| Country | Link |
|---|---|
| US (1) | US5701392A (da) |
| EP (1) | EP0813736B1 (da) |
| JP (1) | JP3160852B2 (da) |
| KR (1) | KR100299408B1 (da) |
| CN (1) | CN1114900C (da) |
| AR (1) | AR001189A1 (da) |
| AT (1) | ATE193392T1 (da) |
| AU (1) | AU707307B2 (da) |
| BR (1) | BR9607144A (da) |
| CA (1) | CA2213740C (da) |
| DE (1) | DE19609170B4 (da) |
| DK (1) | DK0813736T3 (da) |
| ES (1) | ES2112808B1 (da) |
| FR (1) | FR2731548B1 (da) |
| GB (1) | GB2299001B (da) |
| HK (1) | HK1001846A1 (da) |
| IN (1) | IN187842B (da) |
| IT (1) | IT1285305B1 (da) |
| MX (1) | MX9706885A (da) |
| MY (1) | MY119252A (da) |
| PT (1) | PT813736E (da) |
| RU (1) | RU2175454C2 (da) |
| SE (1) | SE520554C2 (da) |
| WO (1) | WO1996028810A1 (da) |
Families Citing this family (53)
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| US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
| JP3273455B2 (ja) * | 1994-10-07 | 2002-04-08 | 日本電信電話株式会社 | ベクトル量子化方法及びその復号化器 |
| ATE192259T1 (de) * | 1995-11-09 | 2000-05-15 | Nokia Mobile Phones Ltd | Verfahren zur synthetisierung eines sprachsignalblocks in einem celp-kodierer |
| DE19641619C1 (de) * | 1996-10-09 | 1997-06-26 | Nokia Mobile Phones Ltd | Verfahren zur Synthese eines Rahmens eines Sprachsignals |
| EP1071081B1 (en) * | 1996-11-07 | 2002-05-08 | Matsushita Electric Industrial Co., Ltd. | Vector quantization codebook generation method |
| US6161086A (en) * | 1997-07-29 | 2000-12-12 | Texas Instruments Incorporated | Low-complexity speech coding with backward and inverse filtered target matching and a tree structured mutitap adaptive codebook search |
| EP1746583B1 (en) * | 1997-10-22 | 2008-09-17 | Matsushita Electric Industrial Co., Ltd. | Sound encoder and sound decoder |
| US6385576B2 (en) * | 1997-12-24 | 2002-05-07 | Kabushiki Kaisha Toshiba | Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch |
| JP3199020B2 (ja) * | 1998-02-27 | 2001-08-13 | 日本電気株式会社 | 音声音楽信号の符号化装置および復号装置 |
| JP3180762B2 (ja) * | 1998-05-11 | 2001-06-25 | 日本電気株式会社 | 音声符号化装置及び音声復号化装置 |
| US6556966B1 (en) | 1998-08-24 | 2003-04-29 | Conexant Systems, Inc. | Codebook structure for changeable pulse multimode speech coding |
| US6714907B2 (en) * | 1998-08-24 | 2004-03-30 | Mindspeed Technologies, Inc. | Codebook structure and search for speech coding |
| JP3824810B2 (ja) * | 1998-09-01 | 2006-09-20 | 富士通株式会社 | 音声符号化方法、音声符号化装置、及び音声復号装置 |
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| KR100463418B1 (ko) * | 2002-11-11 | 2004-12-23 | 한국전자통신연구원 | Ｃｅｌｐ 음성 부호화기에서 사용되는 가변적인 고정코드북 검색방법 및 장치 |
| US7698132B2 (en) * | 2002-12-17 | 2010-04-13 | Qualcomm Incorporated | Sub-sampled excitation waveform codebooks |
| US7249014B2 (en) * | 2003-03-13 | 2007-07-24 | Intel Corporation | Apparatus, methods and articles incorporating a fast algebraic codebook search technique |
| KR100556831B1 (ko) * | 2003-03-25 | 2006-03-10 | 한국전자통신연구원 | 전역 펄스 교체를 통한 고정 코드북 검색 방법 |
| WO2004090870A1 (ja) * | 2003-04-04 | 2004-10-21 | Kabushiki Kaisha Toshiba | 広帯域音声を符号化または復号化するための方法及び装置 |
| US20050256702A1 (en) * | 2004-05-13 | 2005-11-17 | Ittiam Systems (P) Ltd. | Algebraic codebook search implementation on processors with multiple data paths |
| SG123639A1 (en) | 2004-12-31 | 2006-07-26 | St Microelectronics Asia | A system and method for supporting dual speech codecs |
| US8000967B2 (en) | 2005-03-09 | 2011-08-16 | Telefonaktiebolaget Lm Ericsson (Publ) | Low-complexity code excited linear prediction encoding |
| KR100813260B1 (ko) * | 2005-07-13 | 2008-03-13 | 삼성전자주식회사 | 코드북 탐색 방법 및 장치 |
| JP5159318B2 (ja) * | 2005-12-09 | 2013-03-06 | パナソニック株式会社 | 固定符号帳探索装置および固定符号帳探索方法 |
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| ES2404408T3 (es) * | 2007-03-02 | 2013-05-27 | Panasonic Corporation | Dispositivo de codificación y método de codificación |
| CN100530357C (zh) * | 2007-07-11 | 2009-08-19 | 华为技术有限公司 | 固定码书搜索方法及搜索器 |
| RU2458413C2 (ru) * | 2007-07-27 | 2012-08-10 | Панасоник Корпорэйшн | Устройство кодирования аудио и способ кодирования аудио |
| BRPI0814129A2 (pt) * | 2007-07-27 | 2015-02-03 | Panasonic Corp | Dispositivo de codificação de áudio e método de codificação de áudio |
| US8566106B2 (en) * | 2007-09-11 | 2013-10-22 | Voiceage Corporation | Method and device for fast algebraic codebook search in speech and audio coding |
| CN100578619C (zh) * | 2007-11-05 | 2010-01-06 | 华为技术有限公司 | 编码方法和编码器 |
| CN101931414B (zh) * | 2009-06-19 | 2013-04-24 | 华为技术有限公司 | 脉冲编码方法及装置、脉冲解码方法及装置 |
| US9123334B2 (en) | 2009-12-14 | 2015-09-01 | Panasonic Intellectual Property Management Co., Ltd. | Vector quantization of algebraic codebook with high-pass characteristic for polarity selection |
| CN103250206B (zh) * | 2010-10-07 | 2015-07-15 | 弗朗霍夫应用科学研究促进协会 | 用于比特流域中的编码音频帧的强度估计的装置及方法 |
| CN102623012B (zh) * | 2011-01-26 | 2014-08-20 | 华为技术有限公司 | 矢量联合编解码方法及编解码器 |
| US11256696B2 (en) * | 2018-10-15 | 2022-02-22 | Ocient Holdings LLC | Data set compression within a database system |
| CN110247714B (zh) * | 2019-05-16 | 2021-06-04 | 天津大学 | 集伪装与加密于一体的仿生隐蔽水声通信编码方法及装置 |
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1995
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1996
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1998
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