CA2596411A1 - Methode et systeme de fourniture d'un signal acoustique avec largeur de bande etendue - Google Patents
Methode et systeme de fourniture d'un signal acoustique avec largeur de bande etendue Download PDFInfo
- Publication number
- CA2596411A1 CA2596411A1 CA002596411A CA2596411A CA2596411A1 CA 2596411 A1 CA2596411 A1 CA 2596411A1 CA 002596411 A CA002596411 A CA 002596411A CA 2596411 A CA2596411 A CA 2596411A CA 2596411 A1 CA2596411 A1 CA 2596411A1
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- Prior art keywords
- signal
- broadband
- bandwidth
- bandwidth limit
- acoustic signal
- 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.)
- Abandoned
Links
- 238000000034 method Methods 0.000 title claims abstract description 53
- 230000000295 complement effect Effects 0.000 claims abstract description 38
- 229920000136 polysorbate Polymers 0.000 claims abstract description 6
- 230000003595 spectral effect Effects 0.000 claims description 60
- 238000001228 spectrum Methods 0.000 claims description 57
- 230000007774 longterm Effects 0.000 claims description 40
- 230000005284 excitation Effects 0.000 claims description 38
- 230000000875 corresponding effect Effects 0.000 claims description 31
- 239000000306 component Substances 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 238000001914 filtration Methods 0.000 claims description 5
- 238000004590 computer program Methods 0.000 claims description 2
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- 239000011159 matrix material Substances 0.000 description 13
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Classifications
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- 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
- G10L19/02—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 spectral analysis, e.g. transform vocoders or subband 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
- G10L21/00—Speech or voice signal processing techniques 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 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
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients
-
- 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
-
- 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
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)
- Spectroscopy & Molecular Physics (AREA)
- Quality & Reliability (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP06017456A EP1892703B1 (fr) | 2006-08-22 | 2006-08-22 | Procédé et système fournissant un signal acoustique avec une largeur de bande étendue |
| EP06017456.2 | 2006-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA2596411A1 true CA2596411A1 (fr) | 2008-02-22 |
Family
ID=37000103
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA002596411A Abandoned CA2596411A1 (fr) | 2006-08-22 | 2007-08-08 | Methode et systeme de fourniture d'un signal acoustique avec largeur de bande etendue |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP1892703B1 (fr) |
| JP (1) | JP5150165B2 (fr) |
| KR (1) | KR101433833B1 (fr) |
| CN (1) | CN101141533B (fr) |
| AT (1) | ATE446572T1 (fr) |
| CA (1) | CA2596411A1 (fr) |
| DE (1) | DE602006009927D1 (fr) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8688441B2 (en) | 2007-11-29 | 2014-04-01 | Motorola Mobility Llc | Method and apparatus to facilitate provision and use of an energy value to determine a spectral envelope shape for out-of-signal bandwidth content |
| US8433582B2 (en) | 2008-02-01 | 2013-04-30 | Motorola Mobility Llc | Method and apparatus for estimating high-band energy in a bandwidth extension system |
| US20090201983A1 (en) | 2008-02-07 | 2009-08-13 | Motorola, Inc. | Method and apparatus for estimating high-band energy in a bandwidth extension system |
| US8463412B2 (en) | 2008-08-21 | 2013-06-11 | Motorola Mobility Llc | Method and apparatus to facilitate determining signal bounding frequencies |
| JP2010079275A (ja) * | 2008-08-29 | 2010-04-08 | Sony Corp | 周波数帯域拡大装置及び方法、符号化装置及び方法、復号化装置及び方法、並びにプログラム |
| US8463599B2 (en) | 2009-02-04 | 2013-06-11 | Motorola Mobility Llc | Bandwidth extension method and apparatus for a modified discrete cosine transform audio coder |
| US8706497B2 (en) | 2009-12-28 | 2014-04-22 | Mitsubishi Electric Corporation | Speech signal restoration device and speech signal restoration method |
| CN102870156B (zh) * | 2010-04-12 | 2015-07-22 | 飞思卡尔半导体公司 | 音频通信设备、输出音频信号的方法和通信系统 |
| CA2961336C (fr) * | 2013-01-29 | 2021-09-28 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Codeurs audio, decodeurs audio, systemes, procedes et programmes d'ordinateur utilisant une resolution temporelle accrue a proximite temporelle de debuts ou de fins de fricatives ou d'affriquees |
| US10121487B2 (en) | 2016-11-18 | 2018-11-06 | Samsung Electronics Co., Ltd. | Signaling processor capable of generating and synthesizing high frequency recover signal |
| CN107404625B (zh) * | 2017-07-18 | 2020-10-16 | 海信视像科技股份有限公司 | 终端的音效处理方法及装置 |
| KR102093819B1 (ko) * | 2018-09-10 | 2020-03-26 | 한국과학기술연구원 | 음원 분리 장치 및 방법 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3483958B2 (ja) * | 1994-10-28 | 2004-01-06 | 三菱電機株式会社 | 広帯域音声復元装置及び広帯域音声復元方法及び音声伝送システム及び音声伝送方法 |
| EP1944753A3 (fr) | 1997-04-30 | 2012-08-15 | Nippon Hoso Kyokai | Procédé et dispositif pour détecter des sections vocales, et procédé de conversion de la vitesse vocale, et dispositif utilisant ce procédé et dispositif |
| US6539355B1 (en) * | 1998-10-15 | 2003-03-25 | Sony Corporation | Signal band expanding method and apparatus and signal synthesis method and apparatus |
| US6836739B2 (en) | 2000-06-14 | 2004-12-28 | Kabushiki Kaisha Kenwood | Frequency interpolating device and frequency interpolating method |
| JP3713200B2 (ja) * | 2000-11-30 | 2005-11-02 | 株式会社ケンウッド | 信号補間装置、信号補間方法及び記録媒体 |
| US6889182B2 (en) | 2001-01-12 | 2005-05-03 | Telefonaktiebolaget L M Ericsson (Publ) | Speech bandwidth extension |
| JP4012506B2 (ja) * | 2001-08-24 | 2007-11-21 | 株式会社ケンウッド | 信号の周波数成分を適応的に補間するための装置および方法 |
| EP1430475A1 (fr) * | 2001-08-31 | 2004-06-23 | Koninklijke Philips Electronics N.V. | Extension de largeur de bande d'un signal-son |
| JP4281349B2 (ja) * | 2001-12-25 | 2009-06-17 | パナソニック株式会社 | 電話装置 |
| WO2005055645A1 (fr) * | 2003-12-01 | 2005-06-16 | Koninklijke Philips Electronics N.V. | Renforcement selectif de signaux audio |
| EP1719117A1 (fr) * | 2004-02-16 | 2006-11-08 | Koninklijke Philips Electronics N.V. | Transcodeur et procede de transcodage a cet effet |
| EP1638083B1 (fr) | 2004-09-17 | 2009-04-22 | Harman Becker Automotive Systems GmbH | Extension de la largeur de bande de signaux audio à bande limitée |
-
2006
- 2006-08-22 EP EP06017456A patent/EP1892703B1/fr not_active Not-in-force
- 2006-08-22 DE DE602006009927T patent/DE602006009927D1/de active Active
- 2006-08-22 AT AT06017456T patent/ATE446572T1/de not_active IP Right Cessation
-
2007
- 2007-08-08 CA CA002596411A patent/CA2596411A1/fr not_active Abandoned
- 2007-08-21 JP JP2007214930A patent/JP5150165B2/ja not_active Expired - Fee Related
- 2007-08-22 KR KR1020070084306A patent/KR101433833B1/ko active IP Right Grant
- 2007-08-22 CN CN2007101466102A patent/CN101141533B/zh active Active
Also Published As
| Publication number | Publication date |
|---|---|
| EP1892703B1 (fr) | 2009-10-21 |
| KR20080018132A (ko) | 2008-02-27 |
| JP5150165B2 (ja) | 2013-02-20 |
| CN101141533A (zh) | 2008-03-12 |
| ATE446572T1 (de) | 2009-11-15 |
| EP1892703A1 (fr) | 2008-02-27 |
| CN101141533B (zh) | 2013-09-04 |
| DE602006009927D1 (de) | 2009-12-03 |
| JP2008052277A (ja) | 2008-03-06 |
| KR101433833B1 (ko) | 2014-08-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FZDE | Discontinued |