IL101556A - Multi-channel signal separation using cross-polyspectra - Google Patents

Multi-channel signal separation using cross-polyspectra

Info

Publication number
IL101556A
IL101556A IL10155692A IL10155692A IL101556A IL 101556 A IL101556 A IL 101556A IL 10155692 A IL10155692 A IL 10155692A IL 10155692 A IL10155692 A IL 10155692A IL 101556 A IL101556 A IL 101556A
Authority
IL
Israel
Prior art keywords
signals
approach
forced
reconstruction
filter
Prior art date
Application number
IL10155692A
Other languages
English (en)
Other versions
IL101556A0 (en
Inventor
Ehud Weinstein
Daniel Yellin
Original Assignee
Univ Ramot
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Univ Ramot filed Critical Univ Ramot
Priority to IL10155692A priority Critical patent/IL101556A/en
Publication of IL101556A0 publication Critical patent/IL101556A0/xx
Priority to US08/043,089 priority patent/US5539832A/en
Priority to EP93630032A priority patent/EP0565479A1/de
Priority to JP5082160A priority patent/JPH0621838A/ja
Publication of IL101556A publication Critical patent/IL101556A/en

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • H03H21/0025Particular filtering methods
    • H03H21/0029Particular filtering methods based on statistics
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F18/00Pattern recognition
    • G06F18/20Analysing
    • G06F18/21Design or setup of recognition systems or techniques; Extraction of features in feature space; Blind source separation
    • G06F18/213Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
    • G06F18/2134Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis
    • G06F18/21343Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods based on separation criteria, e.g. independent component analysis using decorrelation or non-stationarity, e.g. minimising lagged cross-correlations
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00Adaptive networks
    • H03H21/0012Digital adaptive filters
    • H03H21/0025Particular filtering methods
    • H03H2021/0034Blind source separation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/005Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Data Mining & Analysis (AREA)
  • Bioinformatics & Computational Biology (AREA)
  • Artificial Intelligence (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Evolutionary Biology (AREA)
  • Evolutionary Computation (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Probability & Statistics with Applications (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Complex Calculations (AREA)
  • Noise Elimination (AREA)
IL10155692A 1992-04-10 1992-04-10 Multi-channel signal separation using cross-polyspectra IL101556A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IL10155692A IL101556A (en) 1992-04-10 1992-04-10 Multi-channel signal separation using cross-polyspectra
US08/043,089 US5539832A (en) 1992-04-10 1993-04-05 Multi-channel signal separation using cross-polyspectra
EP93630032A EP0565479A1 (de) 1992-04-10 1993-04-07 Vielkanalige Signaltrennung mit Kreuz-Polyspektren
JP5082160A JPH0621838A (ja) 1992-04-10 1993-04-08 信号処理システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL10155692A IL101556A (en) 1992-04-10 1992-04-10 Multi-channel signal separation using cross-polyspectra

Publications (2)

Publication Number Publication Date
IL101556A0 IL101556A0 (en) 1993-02-21
IL101556A true IL101556A (en) 1996-08-04

Family

ID=11063536

Family Applications (1)

Application Number Title Priority Date Filing Date
IL10155692A IL101556A (en) 1992-04-10 1992-04-10 Multi-channel signal separation using cross-polyspectra

Country Status (4)

Country Link
US (1) US5539832A (de)
EP (1) EP0565479A1 (de)
JP (1) JPH0621838A (de)
IL (1) IL101556A (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5825671A (en) * 1994-03-16 1998-10-20 U.S. Philips Corporation Signal-source characterization system
US5706402A (en) * 1994-11-29 1998-01-06 The Salk Institute For Biological Studies Blind signal processing system employing information maximization to recover unknown signals through unsupervised minimization of output redundancy
FR2730881A1 (fr) * 1995-02-22 1996-08-23 Philips Electronique Lab Systeme pour estimer des signaux recus sous forme de signaux melanges
US5602751A (en) * 1995-02-28 1997-02-11 The United States Of America As Represented By The Secretary Of The Navy Method and apparatus for spectrum analysis by complex cumulants
SE511496C2 (sv) 1995-05-03 1999-10-11 Ulf Lindgren Förfarande vid signalseparation
US6018317A (en) * 1995-06-02 2000-01-25 Trw Inc. Cochannel signal processing system
DE19531388C1 (de) * 1995-08-26 1996-07-25 Heinz Georg Prof Dr Schuster Signaltrennungsverfahren und -einrichtung für nichtlineare Mischungen unbekannter Signale
US5675659A (en) * 1995-12-12 1997-10-07 Motorola Methods and apparatus for blind separation of delayed and filtered sources
ES2117565B1 (es) * 1996-04-30 1999-04-01 Univ Granada Sistema para separacion ciega de señales.
US6317703B1 (en) * 1996-11-12 2001-11-13 International Business Machines Corporation Separation of a mixture of acoustic sources into its components
WO1998024192A1 (en) * 1996-11-26 1998-06-04 Trw Inc. Cochannel signal processing system
AU762462B2 (en) * 1996-11-26 2003-06-26 Trw Inc. A method for separating and recovering communications signals received in the presence of at least one interfering signal
AU727787B2 (en) * 1996-11-26 2000-12-21 Trw Inc. Cochannel signal processing system
FR2759824A1 (fr) * 1997-02-18 1998-08-21 Philips Electronics Nv Systeme de separation de sources non stationnaires
JP3444131B2 (ja) * 1997-02-27 2003-09-08 ヤマハ株式会社 音声符号化及び復号装置
DE69817181T2 (de) 1997-06-18 2004-06-17 Clarity, L.L.C., Ann Arbor Verfahren und gerät zur blindseparierung von signalen
US6185309B1 (en) 1997-07-11 2001-02-06 The Regents Of The University Of California Method and apparatus for blind separation of mixed and convolved sources
US5914912A (en) * 1997-11-28 1999-06-22 United States Of America Sonar array post processor
DE19815040A1 (de) * 1998-04-03 1999-10-07 Abb Research Ltd Verfahren und Vorrichtung zur Signalübertragung über Stromversorgungsleitungen
US6167417A (en) * 1998-04-08 2000-12-26 Sarnoff Corporation Convolutive blind source separation using a multiple decorrelation method
US6691073B1 (en) 1998-06-18 2004-02-10 Clarity Technologies Inc. Adaptive state space signal separation, discrimination and recovery
US6343268B1 (en) * 1998-12-01 2002-01-29 Siemens Corporation Research, Inc. Estimator of independent sources from degenerate mixtures
EP1018854A1 (de) * 1999-01-05 2000-07-12 Oticon A/S Verfahren und Vorrichtung zur Verbesserung der Sprachverständlichkeit
US6735482B1 (en) 1999-03-05 2004-05-11 Clarity Technologies Inc. Integrated sensing and processing
US6768515B1 (en) 1999-03-05 2004-07-27 Clarity Technologies, Inc. Two architectures for integrated realization of sensing and processing in a single device
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
US6650757B1 (en) * 1999-09-27 2003-11-18 Ford Global Technologies, Llc Method and system to detect unwanted noise
US7027536B1 (en) * 1999-10-08 2006-04-11 At&T Corp. Method and apparatus for designing finite-length multi-input multi-output channel shortening pre-filters
US20020009203A1 (en) * 2000-03-31 2002-01-24 Gamze Erten Method and apparatus for voice signal extraction
DE10018666A1 (de) 2000-04-14 2001-10-18 Harman Audio Electronic Sys Vorrichtung und Verfahren zum geräuschabhängigen Anpassen eines akustischen Nutzsignals
US20040125962A1 (en) * 2000-04-14 2004-07-01 Markus Christoph Method and apparatus for dynamic sound optimization
US8363744B2 (en) 2001-06-10 2013-01-29 Aloft Media, Llc Method and system for robust, secure, and high-efficiency voice and packet transmission over ad-hoc, mesh, and MIMO communication networks
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
US7319954B2 (en) * 2001-03-14 2008-01-15 International Business Machines Corporation Multi-channel codebook dependent compensation
US7142677B2 (en) * 2001-07-17 2006-11-28 Clarity Technologies, Inc. Directional sound acquisition
US7450631B2 (en) * 2001-10-26 2008-11-11 Intel Corporation Metric correction for multi user detection, for long codes DS-CDMA
US7099016B2 (en) 2002-02-11 2006-08-29 Rohde Schwarz Gmbh & Co. Kg Method and apparatus for zero-mixing spectrum analysis
US6785520B2 (en) * 2002-03-01 2004-08-31 Cognio, Inc. System and method for antenna diversity using equal power joint maximal ratio combining
TWI226765B (en) * 2002-03-01 2005-01-11 Cognio Inc System and method for joint maximal ratio combining using time-domain signal processing
US6687492B1 (en) 2002-03-01 2004-02-03 Cognio, Inc. System and method for antenna diversity using joint maximal ratio combining
US6873651B2 (en) * 2002-03-01 2005-03-29 Cognio, Inc. System and method for joint maximal ratio combining using time-domain signal processing
US6862456B2 (en) * 2002-03-01 2005-03-01 Cognio, Inc. Systems and methods for improving range for multicast wireless communication
US6871049B2 (en) * 2002-03-21 2005-03-22 Cognio, Inc. Improving the efficiency of power amplifiers in devices using transmit beamforming
US6993440B2 (en) * 2002-04-22 2006-01-31 Harris Corporation System and method for waveform classification and characterization using multidimensional higher-order statistics
US6711528B2 (en) * 2002-04-22 2004-03-23 Harris Corporation Blind source separation utilizing a spatial fourth order cumulant matrix pencil
CN102655430A (zh) * 2002-07-30 2012-09-05 美商智慧财产权授权股份有限公司 通过信道传送信号的方法和无线电通信装置
US7366564B2 (en) * 2002-08-23 2008-04-29 The United States Of America As Represented By The Secretary Of The Navy Nonlinear blind demixing of single pixel underlying radiation sources and digital spectrum local thermometer
US7236534B1 (en) * 2002-11-06 2007-06-26 Jabil Circuit, Inc. Method and apparatus for noise reduction by spectral and subcarrier averaging
US6993460B2 (en) 2003-03-28 2006-01-31 Harris Corporation Method and system for tracking eigenvalues of matrix pencils for signal enumeration
US7187326B2 (en) * 2003-03-28 2007-03-06 Harris Corporation System and method for cumulant-based geolocation of cooperative and non-cooperative RF transmitters
US7099678B2 (en) * 2003-04-10 2006-08-29 Ipr Licensing, Inc. System and method for transmit weight computation for vector beamforming radio communication
US20100265139A1 (en) * 2003-11-18 2010-10-21 Harris Corporation System and method for cumulant-based geolocation of cooperative and non-cooperative RF transmitters
GB2427989B (en) * 2004-03-09 2007-08-08 Alexander Vasilievich Garmonov Method and apparatus of data transmission
EP1580882B1 (de) * 2004-03-19 2007-01-10 Harman Becker Automotive Systems GmbH System und Verfahren zur Verbesserung eines Audiosignals
EP1833163B1 (de) * 2004-07-20 2019-12-18 Harman Becker Automotive Systems GmbH Audioverbesserungssystem und -verfahren
US8170221B2 (en) * 2005-03-21 2012-05-01 Harman Becker Automotive Systems Gmbh Audio enhancement system and method
DE602005015426D1 (de) 2005-05-04 2009-08-27 Harman Becker Automotive Sys System und Verfahren zur Intensivierung von Audiosignalen
US7970564B2 (en) * 2006-05-02 2011-06-28 Qualcomm Incorporated Enhancement techniques for blind source separation (BSS)
DE102006027673A1 (de) * 2006-06-14 2007-12-20 Friedrich-Alexander-Universität Erlangen-Nürnberg Signaltrenner, Verfahren zum Bestimmen von Ausgangssignalen basierend auf Mikrophonsignalen und Computerprogramm
US8175871B2 (en) * 2007-09-28 2012-05-08 Qualcomm Incorporated Apparatus and method of noise and echo reduction in multiple microphone audio systems
US8954324B2 (en) * 2007-09-28 2015-02-10 Qualcomm Incorporated Multiple microphone voice activity detector
US8223988B2 (en) * 2008-01-29 2012-07-17 Qualcomm Incorporated Enhanced blind source separation algorithm for highly correlated mixtures
US8131541B2 (en) 2008-04-25 2012-03-06 Cambridge Silicon Radio Limited Two microphone noise reduction system
US8077489B2 (en) * 2008-05-15 2011-12-13 Lockheed Martin Corporation System and method of cancelling noise radiated from a switch-mode power converter
US8185077B2 (en) * 2009-01-20 2012-05-22 Raytheon Company Method and system for noise suppression in antenna
US8179165B2 (en) * 2009-04-27 2012-05-15 Oracle America, Inc. Precision sampling circuit
US8198931B2 (en) * 2009-04-27 2012-06-12 Oracle America, Inc. Fine grain timing
US8283960B2 (en) * 2009-04-27 2012-10-09 Oracle America, Inc. Minimal bubble voltage regulator
US8242823B2 (en) 2009-04-27 2012-08-14 Oracle America, Inc. Delay chain initialization
WO2013147999A1 (en) 2012-03-30 2013-10-03 Rensselaer Polytechnic Institute Multi-channel through-wall communication system using crosstalk suppression
CN105139353B (zh) * 2015-08-14 2018-01-09 河南师范大学 一种置换混叠图像的盲分离方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3935574A (en) * 1974-04-15 1976-01-27 The United States Of America As Represented By The Secretary Of The Navy Signal source position-determining process
US4283795A (en) * 1979-10-03 1981-08-11 Bell Telephone Laboratories, Incorporated Adaptive cross-polarization interference cancellation arrangements
US4320535A (en) * 1979-10-03 1982-03-16 Bell Telephone Laboratories, Incorporated Adaptive interference suppression arrangement
US4473906A (en) * 1980-12-05 1984-09-25 Lord Corporation Active acoustic attenuator
EP0084982B1 (de) * 1982-01-27 1987-11-11 Racal Acoustics Limited Kommunikationssysteme
US4499601A (en) * 1982-10-18 1985-02-12 Matthews Gordon H Method and apparatus for automatically detecting and playing desired audio segments over a broadcast receiver.
IT1170587B (it) * 1983-12-13 1987-06-03 Selenia Ind Elettroniche Elaboratore adattivo di segnali radar per la rivelazione dell'eco e la cancellazione del clutter
US4677466A (en) * 1985-07-29 1987-06-30 A. C. Nielsen Company Broadcast program identification method and apparatus
US4843562A (en) * 1987-06-24 1989-06-27 Broadcast Data Systems Limited Partnership Broadcast information classification system and method
US5020540A (en) * 1987-10-09 1991-06-04 Biometrak Corporation Cardiac biopotential analysis system and method
US5237618A (en) * 1990-05-11 1993-08-17 General Electric Company Electronic compensation system for elimination or reduction of inter-channel interference in noise cancellation systems
US5208786A (en) * 1991-08-28 1993-05-04 Massachusetts Institute Of Technology Multi-channel signal separation

Also Published As

Publication number Publication date
IL101556A0 (en) 1993-02-21
US5539832A (en) 1996-07-23
EP0565479A1 (de) 1993-10-13
JPH0621838A (ja) 1994-01-28

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