ZA200807703B - Fixed codebook searching device and fixed codebook searching method - Google Patents
Fixed codebook searching device and fixed codebook searching methodInfo
- Publication number
- ZA200807703B ZA200807703B ZA200807703A ZA200807703A ZA200807703B ZA 200807703 B ZA200807703 B ZA 200807703B ZA 200807703 A ZA200807703 A ZA 200807703A ZA 200807703 A ZA200807703 A ZA 200807703A ZA 200807703 B ZA200807703 B ZA 200807703B
- Authority
- ZA
- South Africa
- Prior art keywords
- fixed codebook
- impulse response
- matrix
- codebook searching
- vector
- Prior art date
Links
- 239000011159 matrix material Substances 0.000 abstract 5
- 230000005284 excitation Effects 0.000 abstract 3
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Signal Processing (AREA)
- Acoustics & Sound (AREA)
- Computational Linguistics (AREA)
- Algebra (AREA)
- General Physics & Mathematics (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)
- Financial Or Insurance-Related Operations Such As Payment And Settlement (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006065399 | 2006-03-10 | ||
JP2007027408A JP3981399B1 (ja) | 2006-03-10 | 2007-02-06 | 固定符号帳探索装置および固定符号帳探索方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA200807703B true ZA200807703B (en) | 2009-07-29 |
Family
ID=37891857
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA200807703A ZA200807703B (en) | 2006-03-10 | 2008-09-08 | Fixed codebook searching device and fixed codebook searching method |
Country Status (15)
Country | Link |
---|---|
US (4) | US7519533B2 (de) |
EP (4) | EP2113912B1 (de) |
JP (1) | JP3981399B1 (de) |
KR (4) | KR101359167B1 (de) |
CN (4) | CN101371299B (de) |
AT (1) | ATE400048T1 (de) |
AU (1) | AU2007225879B2 (de) |
BR (1) | BRPI0708742A2 (de) |
CA (1) | CA2642804C (de) |
DE (3) | DE602007000030D1 (de) |
ES (3) | ES2308765T3 (de) |
MX (1) | MX2008011338A (de) |
RU (2) | RU2425428C2 (de) |
WO (1) | WO2007105587A1 (de) |
ZA (1) | ZA200807703B (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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 |
US20090164211A1 (en) * | 2006-05-10 | 2009-06-25 | Panasonic Corporation | Speech encoding apparatus and speech encoding method |
JP5425066B2 (ja) | 2008-06-19 | 2014-02-26 | パナソニック株式会社 | 量子化装置、符号化装置およびこれらの方法 |
CN105225669B (zh) * | 2011-03-04 | 2018-12-21 | 瑞典爱立信有限公司 | 音频编码中的后量化增益校正 |
GB201115048D0 (en) | 2011-08-31 | 2011-10-19 | Univ Bristol | Channel signature modulation |
CN103456309B (zh) * | 2012-05-31 | 2016-04-20 | 展讯通信(上海)有限公司 | 语音编码器及其代数码表搜索方法和装置 |
BR112015007137B1 (pt) * | 2012-10-05 | 2021-07-13 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Aparelho para codificar um sinal de fala que emprega acelp no domínio de autocorrelação |
CN111052111A (zh) * | 2017-09-14 | 2020-04-21 | 三菱电机株式会社 | 运算电路、运算方法以及程序 |
CN109446413B (zh) * | 2018-09-25 | 2021-06-01 | 上海交通大学 | 基于物品关联关系的序列化推荐方法 |
CN116052700B (zh) * | 2022-07-29 | 2023-09-29 | 荣耀终端有限公司 | 声音编解码方法以及相关装置、系统 |
Family Cites Families (29)
Publication number | Priority date | Publication date | Assignee | Title |
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US4868867A (en) * | 1987-04-06 | 1989-09-19 | Voicecraft Inc. | Vector excitation speech or audio coder for transmission or storage |
CA1337217C (en) * | 1987-08-28 | 1995-10-03 | Daniel Kenneth Freeman | Speech coding |
CA2010830C (en) * | 1990-02-23 | 1996-06-25 | Jean-Pierre Adoul | Dynamic codebook for efficient speech coding based on algebraic codes |
US5754976A (en) * | 1990-02-23 | 1998-05-19 | Universite De Sherbrooke | Algebraic codebook with signal-selected pulse amplitude/position combinations for fast coding of speech |
US5701392A (en) * | 1990-02-23 | 1997-12-23 | Universite De Sherbrooke | Depth-first algebraic-codebook search for fast coding of speech |
US5734789A (en) * | 1992-06-01 | 1998-03-31 | Hughes Electronics | Voiced, unvoiced or noise modes in a CELP vocoder |
IT1264766B1 (it) * | 1993-04-09 | 1996-10-04 | Sip | Codificatore della voce utilizzante tecniche di analisi con un'eccitazione a impulsi. |
FR2729245B1 (fr) * | 1995-01-06 | 1997-04-11 | Lamblin Claude | Procede de codage de parole a prediction lineaire et excitation par codes algebriques |
US5732389A (en) * | 1995-06-07 | 1998-03-24 | Lucent Technologies Inc. | Voiced/unvoiced classification of speech for excitation codebook selection in celp speech decoding during frame erasures |
US5751901A (en) * | 1996-07-31 | 1998-05-12 | Qualcomm Incorporated | Method for searching an excitation codebook in a code excited linear prediction (CELP) coder |
US6055496A (en) * | 1997-03-19 | 2000-04-25 | Nokia Mobile Phones, Ltd. | Vector quantization in celp speech coder |
JP3276356B2 (ja) | 1998-03-31 | 2002-04-22 | 松下電器産業株式会社 | Celp型音声符号化装置及びcelp型音声符号化方法 |
EP1959434B1 (de) * | 1999-08-23 | 2013-03-06 | Panasonic Corporation | Sprachenkodierer |
US6826527B1 (en) * | 1999-11-23 | 2004-11-30 | Texas Instruments Incorporated | Concealment of frame erasures and method |
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 |
CA2327041A1 (en) * | 2000-11-22 | 2002-05-22 | Voiceage Corporation | A method for indexing pulse positions and signs in algebraic codebooks for efficient coding of wideband signals |
SE521693C3 (sv) * | 2001-03-30 | 2004-02-04 | Ericsson Telefon Ab L M | En metod och anordning för brusundertryckning |
US6766289B2 (en) * | 2001-06-04 | 2004-07-20 | Qualcomm Incorporated | Fast code-vector searching |
DE10140507A1 (de) | 2001-08-17 | 2003-02-27 | Philips Corp Intellectual Pty | Verfahren für die algebraische Codebook-Suche eines Sprachsignalkodierers |
JP4108317B2 (ja) * | 2001-11-13 | 2008-06-25 | 日本電気株式会社 | 符号変換方法及び装置とプログラム並びに記憶媒体 |
US6829579B2 (en) * | 2002-01-08 | 2004-12-07 | Dilithium Networks, Inc. | Transcoding method and system between CELP-based speech codes |
US7363218B2 (en) * | 2002-10-25 | 2008-04-22 | Dilithium Networks Pty. Ltd. | Method and apparatus for fast CELP parameter mapping |
KR100463559B1 (ko) | 2002-11-11 | 2004-12-29 | 한국전자통신연구원 | 대수 코드북을 이용하는 켈프 보코더의 코드북 검색방법 |
WO2004084179A2 (en) * | 2003-03-15 | 2004-09-30 | Mindspeed Technologies, Inc. | Adaptive correlation window for open-loop pitch |
KR100556831B1 (ko) * | 2003-03-25 | 2006-03-10 | 한국전자통신연구원 | 전역 펄스 교체를 통한 고정 코드북 검색 방법 |
CN1240050C (zh) * | 2003-12-03 | 2006-02-01 | 北京首信股份有限公司 | 一种用于语音编码的固定码本快速搜索方法 |
JP4605445B2 (ja) | 2004-08-24 | 2011-01-05 | ソニー株式会社 | 画像処理装置および方法、記録媒体、並びにプログラム |
SG123639A1 (en) * | 2004-12-31 | 2006-07-26 | St Microelectronics Asia | A system and method for supporting dual speech codecs |
JP2007027408A (ja) | 2005-07-15 | 2007-02-01 | Sony Corp | 電子部品の吸着ノズル機構 |
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2007
- 2007-02-06 JP JP2007027408A patent/JP3981399B1/ja not_active Expired - Fee Related
- 2007-03-08 KR KR1020127004260A patent/KR101359167B1/ko active IP Right Grant
- 2007-03-08 US US11/683,830 patent/US7519533B2/en active Active
- 2007-03-08 KR KR1020087017192A patent/KR101359203B1/ko active IP Right Grant
- 2007-03-08 CA CA2642804A patent/CA2642804C/en active Active
- 2007-03-08 CN CN2007800028772A patent/CN101371299B/zh not_active Expired - Fee Related
- 2007-03-08 CN CN201110188743.2A patent/CN102201239B/zh not_active Expired - Fee Related
- 2007-03-08 CN CN2011101877341A patent/CN102194462B/zh not_active Expired - Fee Related
- 2007-03-08 BR BRPI0708742-0A patent/BRPI0708742A2/pt not_active Application Discontinuation
- 2007-03-08 KR KR1020127004264A patent/KR101359147B1/ko active IP Right Grant
- 2007-03-08 AU AU2007225879A patent/AU2007225879B2/en not_active Ceased
- 2007-03-08 MX MX2008011338A patent/MX2008011338A/es active IP Right Grant
- 2007-03-08 RU RU2008136401/09A patent/RU2425428C2/ru not_active IP Right Cessation
- 2007-03-08 WO PCT/JP2007/054529 patent/WO2007105587A1/ja active Application Filing
- 2007-03-08 CN CN2011101875793A patent/CN102194461B/zh not_active Expired - Fee Related
- 2007-03-09 KR KR1020070023587A patent/KR100806470B1/ko active IP Right Grant
- 2007-03-12 EP EP09007849.4A patent/EP2113912B1/de not_active Not-in-force
- 2007-03-12 ES ES07103936T patent/ES2308765T3/es active Active
- 2007-03-12 EP EP08005995A patent/EP1942488B1/de active Active
- 2007-03-12 DE DE602007000030T patent/DE602007000030D1/de active Active
- 2007-03-12 ES ES08005996T patent/ES2329199T3/es active Active
- 2007-03-12 DE DE602007001862T patent/DE602007001862D1/de active Active
- 2007-03-12 EP EP07103936A patent/EP1833047B1/de active Active
- 2007-03-12 AT AT07103936T patent/ATE400048T1/de not_active IP Right Cessation
- 2007-03-12 EP EP08005996A patent/EP1942489B1/de active Active
- 2007-03-12 DE DE602007001861T patent/DE602007001861D1/de active Active
- 2007-03-12 ES ES08005995T patent/ES2329198T3/es active Active
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2008
- 2008-09-08 ZA ZA200807703A patent/ZA200807703B/xx unknown
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2009
- 2009-02-25 US US12/392,858 patent/US7949521B2/en active Active
- 2009-02-25 US US12/392,880 patent/US7957962B2/en active Active
-
2011
- 2011-03-29 RU RU2011111943/08A patent/RU2458412C1/ru not_active IP Right Cessation
- 2011-04-25 US US13/093,294 patent/US8452590B2/en active Active
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