DE60201766D1 - Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierung - Google Patents
Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierungInfo
- Publication number
- DE60201766D1 DE60201766D1 DE60201766T DE60201766T DE60201766D1 DE 60201766 D1 DE60201766 D1 DE 60201766D1 DE 60201766 T DE60201766 T DE 60201766T DE 60201766 T DE60201766 T DE 60201766T DE 60201766 D1 DE60201766 D1 DE 60201766D1
- Authority
- DE
- Germany
- Prior art keywords
- periodicity
- decoding
- improving
- speech coding
- celp excitation
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000005284 excitation Effects 0.000 title 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
- G10L19/12—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
- G10L2019/0001—Codebooks
- G10L2019/0007—Codebook element generation
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001067631A JP3566220B2 (ja) | 2001-03-09 | 2001-03-09 | 音声符号化装置、音声符号化方法、音声復号化装置及び音声復号化方法 |
JP2001067631 | 2001-03-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE60201766D1 true DE60201766D1 (de) | 2004-12-09 |
DE60201766T2 DE60201766T2 (de) | 2005-12-01 |
Family
ID=18925954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE60201766T Expired - Lifetime DE60201766T2 (de) | 2001-03-09 | 2002-02-28 | Verbesserung der Periodizität der CELP-Anregung für die Sprachkodierung und -dekodierung |
Country Status (7)
Country | Link |
---|---|
US (1) | US7006966B2 (de) |
EP (1) | EP1239464B1 (de) |
JP (1) | JP3566220B2 (de) |
CN (1) | CN1172294C (de) |
DE (1) | DE60201766T2 (de) |
IL (1) | IL148413A0 (de) |
TW (1) | TW550541B (de) |
Families Citing this family (36)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2005020210A2 (en) * | 2003-08-26 | 2005-03-03 | Sarnoff Corporation | Method and apparatus for adaptive variable bit rate audio encoding |
US7329383B2 (en) | 2003-10-22 | 2008-02-12 | Boston Scientific Scimed, Inc. | Alloy compositions and devices including the compositions |
WO2006126859A2 (en) | 2005-05-26 | 2006-11-30 | Lg Electronics Inc. | Method of encoding and decoding an audio signal |
US8917874B2 (en) | 2005-05-26 | 2014-12-23 | Lg Electronics Inc. | Method and apparatus for decoding an audio signal |
JP4988716B2 (ja) | 2005-05-26 | 2012-08-01 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号のデコーディング方法及び装置 |
JP2009500657A (ja) | 2005-06-30 | 2009-01-08 | エルジー エレクトロニクス インコーポレイティド | オーディオ信号をエンコーディング及びデコーディングするための装置とその方法 |
EP1946294A2 (de) | 2005-06-30 | 2008-07-23 | LG Electronics Inc. | Vorrichtung zum codieren und decodieren von audiosignalen und verfahren dafür |
AU2006266579B2 (en) | 2005-06-30 | 2009-10-22 | Lg Electronics Inc. | Method and apparatus for encoding and decoding an audio signal |
US8577483B2 (en) | 2005-08-30 | 2013-11-05 | Lg Electronics, Inc. | Method for decoding an audio signal |
AU2006285538B2 (en) | 2005-08-30 | 2011-03-24 | Lg Electronics Inc. | Apparatus for encoding and decoding audio signal and method thereof |
US7987097B2 (en) | 2005-08-30 | 2011-07-26 | Lg Electronics | Method for decoding an audio signal |
US7788107B2 (en) | 2005-08-30 | 2010-08-31 | Lg Electronics Inc. | Method for decoding an audio signal |
KR100857106B1 (ko) | 2005-09-14 | 2008-09-08 | 엘지전자 주식회사 | 오디오 신호의 디코딩 방법 및 장치 |
EP1946302A4 (de) | 2005-10-05 | 2009-08-19 | Lg Electronics Inc | Verfahren und vorrichtung zur signalverarbeitung und codierungs- und decodierungsverfahren und vorrichtung dafür |
US7696907B2 (en) | 2005-10-05 | 2010-04-13 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
US7672379B2 (en) | 2005-10-05 | 2010-03-02 | Lg Electronics Inc. | Audio signal processing, encoding, and decoding |
US7751485B2 (en) | 2005-10-05 | 2010-07-06 | Lg Electronics Inc. | Signal processing using pilot based coding |
US7646319B2 (en) | 2005-10-05 | 2010-01-12 | Lg Electronics Inc. | Method and apparatus for signal processing and encoding and decoding method, and apparatus therefor |
KR100857115B1 (ko) | 2005-10-05 | 2008-09-05 | 엘지전자 주식회사 | 신호 처리 방법 및 이의 장치, 그리고 인코딩 및 디코딩방법 및 이의 장치 |
US8068569B2 (en) | 2005-10-05 | 2011-11-29 | Lg Electronics, Inc. | Method and apparatus for signal processing and encoding and decoding |
US7716043B2 (en) | 2005-10-24 | 2010-05-11 | Lg Electronics Inc. | Removing time delays in signal paths |
JP4806031B2 (ja) | 2006-01-19 | 2011-11-02 | エルジー エレクトロニクス インコーポレイティド | メディア信号の処理方法及び装置 |
JP5147727B2 (ja) | 2006-01-19 | 2013-02-20 | エルジー エレクトロニクス インコーポレイティド | 信号デコーディング方法及び装置 |
KR100983286B1 (ko) | 2006-02-07 | 2010-09-24 | 엘지전자 주식회사 | 부호화/복호화 장치 및 방법 |
KR100904439B1 (ko) | 2006-02-23 | 2009-06-26 | 엘지전자 주식회사 | 오디오 신호의 처리 방법 및 장치 |
TWI483619B (zh) | 2006-03-30 | 2015-05-01 | Lg Electronics Inc | 一種媒體訊號的編碼/解碼方法及其裝置 |
US20080235006A1 (en) | 2006-08-18 | 2008-09-25 | Lg Electronics, Inc. | Method and Apparatus for Decoding an Audio Signal |
US7780798B2 (en) | 2006-10-13 | 2010-08-24 | Boston Scientific Scimed, Inc. | Medical devices including hardened alloys |
JP5164970B2 (ja) * | 2007-03-02 | 2013-03-21 | パナソニック株式会社 | 音声復号装置および音声復号方法 |
EP2224432B1 (de) * | 2007-12-21 | 2017-03-15 | Panasonic Intellectual Property Corporation of America | Encoder, decoder und kodierungsverfahren |
US9208798B2 (en) * | 2012-04-09 | 2015-12-08 | Board Of Regents, The University Of Texas System | Dynamic control of voice codec data rate |
US20140046670A1 (en) * | 2012-06-04 | 2014-02-13 | Samsung Electronics Co., Ltd. | Audio encoding method and apparatus, audio decoding method and apparatus, and multimedia device employing the same |
EP3742441B1 (de) * | 2018-01-17 | 2023-04-12 | Nippon Telegraph And Telephone Corporation | Codierungsvorrichtung, decodierungsvorrichtung, frikativbestimmungsvorrichtung und verfahren und programm dafür |
EP3742443B1 (de) * | 2018-01-17 | 2022-08-03 | Nippon Telegraph And Telephone Corporation | Decodiervorrichtung, verfahren und programm dafür |
JP6962269B2 (ja) * | 2018-05-10 | 2021-11-05 | 日本電信電話株式会社 | ピッチ強調装置、その方法、およびプログラム |
JP6962268B2 (ja) * | 2018-05-10 | 2021-11-05 | 日本電信電話株式会社 | ピッチ強調装置、その方法、およびプログラム |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3192051B2 (ja) | 1994-07-28 | 2001-07-23 | 日本電気株式会社 | 音声符号化装置 |
JP3328080B2 (ja) | 1994-11-22 | 2002-09-24 | 沖電気工業株式会社 | コード励振線形予測復号器 |
JP3206497B2 (ja) * | 1997-06-16 | 2001-09-10 | 日本電気株式会社 | インデックスによる信号生成型適応符号帳 |
EP1426925B1 (de) | 1997-12-24 | 2006-08-02 | Mitsubishi Denki Kabushiki Kaisha | Audio Dekodierverfahren und -vorrichtung |
JP4308345B2 (ja) | 1998-08-21 | 2009-08-05 | パナソニック株式会社 | マルチモード音声符号化装置及び復号化装置 |
US6556966B1 (en) * | 1998-08-24 | 2003-04-29 | Conexant Systems, Inc. | Codebook structure for changeable pulse multimode speech coding |
-
2001
- 2001-03-09 JP JP2001067631A patent/JP3566220B2/ja not_active Expired - Fee Related
-
2002
- 2002-02-25 TW TW091103258A patent/TW550541B/zh not_active IP Right Cessation
- 2002-02-27 US US10/083,556 patent/US7006966B2/en not_active Expired - Fee Related
- 2002-02-27 IL IL14841302A patent/IL148413A0/xx unknown
- 2002-02-28 DE DE60201766T patent/DE60201766T2/de not_active Expired - Lifetime
- 2002-02-28 EP EP02004644A patent/EP1239464B1/de not_active Expired - Fee Related
- 2002-03-08 CN CNB021069808A patent/CN1172294C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE60201766T2 (de) | 2005-12-01 |
EP1239464A2 (de) | 2002-09-11 |
US7006966B2 (en) | 2006-02-28 |
TW550541B (en) | 2003-09-01 |
CN1375818A (zh) | 2002-10-23 |
US20020128829A1 (en) | 2002-09-12 |
JP2002268690A (ja) | 2002-09-20 |
EP1239464B1 (de) | 2004-11-03 |
EP1239464A3 (de) | 2004-01-28 |
JP3566220B2 (ja) | 2004-09-15 |
IL148413A0 (en) | 2002-09-12 |
CN1172294C (zh) | 2004-10-20 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8320 | Willingness to grant licences declared (paragraph 23) | ||
8320 | Willingness to grant licences declared (paragraph 23) |