JPH10253385A - 非定常信号源に対する分離システム - Google Patents
非定常信号源に対する分離システムInfo
- Publication number
- JPH10253385A JPH10253385A JP10035601A JP3560198A JPH10253385A JP H10253385 A JPH10253385 A JP H10253385A JP 10035601 A JP10035601 A JP 10035601A JP 3560198 A JP3560198 A JP 3560198A JP H10253385 A JPH10253385 A JP H10253385A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- separation
- estimate
- estimated value
- subassembly
- 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
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F18/00—Pattern recognition
- G06F18/20—Analysing
- G06F18/21—Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
- G06F18/213—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
- G06F18/2134—Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H21/00—Adaptive networks
- H03H21/0012—Digital adaptive filters
- H03H21/0025—Particular filtering methods
- H03H2021/0034—Blind source separation
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Data Mining & Analysis (AREA)
- Theoretical Computer Science (AREA)
- Artificial Intelligence (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Bioinformatics & Computational Biology (AREA)
- Evolutionary Biology (AREA)
- Evolutionary Computation (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9701881 | 1997-02-18 | ||
| FR9701881A FR2759824A1 (fr) | 1997-02-18 | 1997-02-18 | Systeme de separation de sources non stationnaires |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH10253385A true JPH10253385A (ja) | 1998-09-25 |
| JPH10253385A5 JPH10253385A5 (enExample) | 2005-08-25 |
Family
ID=9503853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10035601A Abandoned JPH10253385A (ja) | 1997-02-18 | 1998-02-18 | 非定常信号源に対する分離システム |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US5999956A (enExample) |
| EP (1) | EP0860944B1 (enExample) |
| JP (1) | JPH10253385A (enExample) |
| DE (1) | DE69816354T2 (enExample) |
| FR (1) | FR2759824A1 (enExample) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006510069A (ja) * | 2002-12-11 | 2006-03-23 | ソフトマックス,インク | 改良型独立成分分析を使用する音声処理ためのシステムおよび方法 |
| JP2010237438A (ja) * | 2009-03-31 | 2010-10-21 | Kajima Corp | 参照信号加工装置、参照信号加工装置を有する能動騒音制御装置及び能動騒音制御システム |
| WO2011040549A1 (ja) * | 2009-10-01 | 2011-04-07 | 日本電気株式会社 | 信号処理方法、信号処理装置、及び信号処理プログラム |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016307A (en) | 1996-10-31 | 2000-01-18 | Connect One, Inc. | Multi-protocol telecommunications routing optimization |
| US6473404B1 (en) | 1998-11-24 | 2002-10-29 | Connect One, Inc. | Multi-protocol telecommunications routing optimization |
| US6335927B1 (en) | 1996-11-18 | 2002-01-01 | Mci Communications Corporation | System and method for providing requested quality of service in a hybrid network |
| US6731625B1 (en) | 1997-02-10 | 2004-05-04 | Mci Communications Corporation | System, method and article of manufacture for a call back architecture in a hybrid network with support for internet telephony |
| SE521024C2 (sv) * | 1999-03-08 | 2003-09-23 | Ericsson Telefon Ab L M | Metod och anordning för att separera en blandning av källsignaler |
| JP2001053654A (ja) * | 1999-08-16 | 2001-02-23 | Matsushita Electric Ind Co Ltd | 信号分離装置、信号分離方法及び記録媒体 |
| US6654719B1 (en) * | 2000-03-14 | 2003-11-25 | Lucent Technologies Inc. | Method and system for blind separation of independent source signals |
| JP3725418B2 (ja) * | 2000-11-01 | 2005-12-14 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 複数信号が混合される画像データから多次元信号を復元する信号分離方法、画像処理装置および記憶媒体 |
| JP4028680B2 (ja) * | 2000-11-01 | 2007-12-26 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 観測データから原信号を復元する信号分離方法、信号処理装置、モバイル端末装置、および記憶媒体 |
| US6954530B2 (en) * | 2003-07-09 | 2005-10-11 | Utah State University | Echo cancellation filter |
| US7099821B2 (en) * | 2003-09-12 | 2006-08-29 | Softmax, Inc. | Separation of target acoustic signals in a multi-transducer arrangement |
| DE102004053790A1 (de) * | 2004-11-08 | 2006-05-18 | Siemens Audiologische Technik Gmbh | Verfahren zur Erzeugung von Stereosignalen für getrennte Quellen und entsprechendes Akustiksystem |
| US7464029B2 (en) * | 2005-07-22 | 2008-12-09 | Qualcomm Incorporated | Robust separation of speech signals in a noisy environment |
| US8898056B2 (en) * | 2006-03-01 | 2014-11-25 | Qualcomm Incorporated | System and method for generating a separated signal by reordering frequency components |
| US8160273B2 (en) * | 2007-02-26 | 2012-04-17 | Erik Visser | Systems, methods, and apparatus for signal separation using data driven techniques |
| KR20090123921A (ko) * | 2007-02-26 | 2009-12-02 | 퀄컴 인코포레이티드 | 신호 분리를 위한 시스템, 방법 및 장치 |
| US8175291B2 (en) * | 2007-12-19 | 2012-05-08 | Qualcomm Incorporated | Systems, methods, and apparatus for multi-microphone based speech enhancement |
| US8321214B2 (en) * | 2008-06-02 | 2012-11-27 | Qualcomm Incorporated | Systems, methods, and apparatus for multichannel signal amplitude balancing |
| US9357307B2 (en) | 2011-02-10 | 2016-05-31 | Dolby Laboratories Licensing Corporation | Multi-channel wind noise suppression system and method |
| US9966088B2 (en) | 2011-09-23 | 2018-05-08 | Adobe Systems Incorporated | Online source separation |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3696203A (en) * | 1970-06-03 | 1972-10-03 | Philco Ford Corp | Adaptive modem receiver |
| US5293405A (en) * | 1991-10-31 | 1994-03-08 | International Business Machines Corp. | Adaptive equalization and regeneration system |
| IL101556A (en) * | 1992-04-10 | 1996-08-04 | Univ Ramot | Multi-channel signal separation using cross-polyspectra |
| US5652541A (en) * | 1993-11-23 | 1997-07-29 | Motorola, Inc. | Data demodulator employing decision feedback for reference parameter recovery and method used therin |
-
1997
- 1997-02-18 FR FR9701881A patent/FR2759824A1/fr not_active Withdrawn
-
1998
- 1998-02-05 US US09/018,979 patent/US5999956A/en not_active Expired - Lifetime
- 1998-02-09 DE DE69816354T patent/DE69816354T2/de not_active Expired - Fee Related
- 1998-02-09 EP EP98200391A patent/EP0860944B1/fr not_active Expired - Lifetime
- 1998-02-18 JP JP10035601A patent/JPH10253385A/ja not_active Abandoned
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006510069A (ja) * | 2002-12-11 | 2006-03-23 | ソフトマックス,インク | 改良型独立成分分析を使用する音声処理ためのシステムおよび方法 |
| JP2010237438A (ja) * | 2009-03-31 | 2010-10-21 | Kajima Corp | 参照信号加工装置、参照信号加工装置を有する能動騒音制御装置及び能動騒音制御システム |
| WO2011040549A1 (ja) * | 2009-10-01 | 2011-04-07 | 日本電気株式会社 | 信号処理方法、信号処理装置、及び信号処理プログラム |
| JP5565593B2 (ja) * | 2009-10-01 | 2014-08-06 | 日本電気株式会社 | 信号処理方法、信号処理装置、及び信号処理プログラム |
| US9384757B2 (en) | 2009-10-01 | 2016-07-05 | Nec Corporation | Signal processing method, signal processing apparatus, and signal processing program |
Also Published As
| Publication number | Publication date |
|---|---|
| EP0860944B1 (fr) | 2003-07-16 |
| DE69816354T2 (de) | 2004-05-27 |
| US5999956A (en) | 1999-12-07 |
| FR2759824A1 (fr) | 1998-08-21 |
| DE69816354D1 (de) | 2003-08-21 |
| EP0860944A1 (fr) | 1998-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20050215 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20050215 |
|
| A762 | Written abandonment of application |
Free format text: JAPANESE INTERMEDIATE CODE: A762 Effective date: 20070911 |