FI930655A - Foerfarande foer minskande av akustiskt brus i en talsignal - Google Patents

Foerfarande foer minskande av akustiskt brus i en talsignal Download PDF

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Publication number
FI930655A
FI930655A FI930655A FI930655A FI930655A FI 930655 A FI930655 A FI 930655A FI 930655 A FI930655 A FI 930655A FI 930655 A FI930655 A FI 930655A FI 930655 A FI930655 A FI 930655A
Authority
FI
Finland
Prior art keywords
arrival
spectrum
angle
sound signal
frequency channels
Prior art date
Application number
FI930655A
Other languages
English (en)
Other versions
FI104526B (fi
FI930655A0 (fi
Inventor
Francois Robbe
Luc Dartois
Original Assignee
Alcatel Nv
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 Alcatel Nv filed Critical Alcatel Nv
Publication of FI930655A0 publication Critical patent/FI930655A0/fi
Publication of FI930655A publication Critical patent/FI930655A/fi
Application granted granted Critical
Publication of FI104526B publication Critical patent/FI104526B/fi

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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
    • 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
    • G10L21/0208—Noise filtering
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S3/00—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received
    • G01S3/80—Direction-finders for determining the direction from which infrasonic, sonic, ultrasonic, or electromagnetic waves, or particle emission, not having a directional significance, are being received using ultrasonic, sonic or infrasonic waves
    • G01S3/802—Systems for determining direction or deviation from predetermined direction
    • G01S3/808—Systems for determining direction or deviation from predetermined direction using transducers spaced apart and measuring phase or time difference between signals therefrom, i.e. path-difference systems
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Remote Sensing (AREA)
  • Human Computer Interaction (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Computational Linguistics (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Alarm Systems (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Amplifiers (AREA)
  • Heat Treatment Of Articles (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Fire Alarms (AREA)
  • Noise Elimination (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
FI930655A 1992-02-18 1993-02-15 Menetelmä akustisen kohinan vähentämiseksi puhesignaalissa FI104526B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9201819 1992-02-18
FR9201819A FR2687496B1 (fr) 1992-02-18 1992-02-18 Procede de reduction de bruit acoustique dans un signal de parole.

Publications (3)

Publication Number Publication Date
FI930655A0 FI930655A0 (fi) 1993-02-15
FI930655A true FI930655A (fi) 1993-08-19
FI104526B FI104526B (fi) 2000-02-15

Family

ID=9426753

Family Applications (1)

Application Number Title Priority Date Filing Date
FI930655A FI104526B (fi) 1992-02-18 1993-02-15 Menetelmä akustisen kohinan vähentämiseksi puhesignaalissa

Country Status (11)

Country Link
US (1) US5539859A (fi)
EP (1) EP0557166B1 (fi)
AT (1) ATE159373T1 (fi)
AU (1) AU662199B2 (fi)
DE (1) DE69314514T2 (fi)
DK (1) DK0557166T3 (fi)
ES (1) ES2107635T3 (fi)
FI (1) FI104526B (fi)
FR (1) FR2687496B1 (fi)
GR (1) GR3025804T3 (fi)
NZ (1) NZ245850A (fi)

Families Citing this family (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3046203B2 (ja) * 1994-05-18 2000-05-29 三菱電機株式会社 ハンズフリー通話装置
SE505156C2 (sv) * 1995-01-30 1997-07-07 Ericsson Telefon Ab L M Förfarande för bullerundertryckning genom spektral subtraktion
DE19521258A1 (de) * 1995-06-10 1996-12-12 Philips Patentverwaltung Spracherkennungssystem
JP3639352B2 (ja) * 1995-06-28 2005-04-20 富士通株式会社 波動解析方法及びその装置
US6772182B1 (en) 1995-12-08 2004-08-03 The United States Of America As Represented By The Secretary Of The Navy Signal processing method for improving the signal-to-noise ratio of a noise-dominated channel and a matched-phase noise filter for implementing the same
SE9700772D0 (sv) * 1997-03-03 1997-03-03 Ericsson Telefon Ab L M A high resolution post processing method for a speech decoder
FR2761800A1 (fr) * 1997-04-02 1998-10-09 Scanera Sc Dispositif de transmission de voix et telephone le mettant en oeuvre
EP0802699A3 (en) * 1997-07-16 1998-02-25 Phonak Ag Method for electronically enlarging the distance between two acoustical/electrical transducers and hearing aid apparatus
US6766029B1 (en) 1997-07-16 2004-07-20 Phonak Ag Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus
FI114422B (fi) * 1997-09-04 2004-10-15 Nokia Corp Lähteen puheaktiviteetin tunnistus
US6157908A (en) * 1998-01-27 2000-12-05 Hm Electronics, Inc. Order point communication system and method
DE19812697A1 (de) * 1998-03-23 1999-09-30 Volkswagen Ag Verfahren und Einrichtung zum Betrieb einer Mikrofonanordnung, insbesondere in einem Kraftfahrzeug
WO1999052097A1 (fr) * 1998-04-02 1999-10-14 Scanera S.C. Dispositif et procede de communication
DE69926462T2 (de) * 1998-05-11 2006-05-24 Koninklijke Philips Electronics N.V. Bestimmung des von einer phasenänderung herrührenden rauschanteils für die audiokodierung
US6549586B2 (en) * 1999-04-12 2003-04-15 Telefonaktiebolaget L M Ericsson System and method for dual microphone signal noise reduction using spectral subtraction
US7209567B1 (en) 1998-07-09 2007-04-24 Purdue Research Foundation Communication system with adaptive noise suppression
EP1035752A1 (en) 1999-03-05 2000-09-13 Phonak Ag Method for shaping the spatial reception amplification characteristic of a converter arrangement and converter arrangement
DE19942868A1 (de) * 1999-09-08 2001-03-15 Volkswagen Ag Verfahren zum Betrieb einer Mehrfachmikrofonanordnung in einem Kraftfahrzeug sowie Mehrfachmikrofonanordnung selbst
EP1089092A1 (en) * 1999-10-01 2001-04-04 Baggermaatschappij Boskalis B.V. Method and apparatus for measuring physical parameters from the phase and amplitude histories of an acoustic signal
US6243322B1 (en) * 1999-11-05 2001-06-05 Wavemakers Research, Inc. Method for estimating the distance of an acoustic signal
JP2001166025A (ja) * 1999-12-14 2001-06-22 Matsushita Electric Ind Co Ltd 音源の方向推定方法および収音方法およびその装置
US6668062B1 (en) * 2000-05-09 2003-12-23 Gn Resound As FFT-based technique for adaptive directionality of dual microphones
US20070233479A1 (en) * 2002-05-30 2007-10-04 Burnett Gregory C Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
US8467543B2 (en) * 2002-03-27 2013-06-18 Aliphcom Microphone and voice activity detection (VAD) configurations for use with communication systems
US7246058B2 (en) * 2001-05-30 2007-07-17 Aliph, Inc. Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
US8019091B2 (en) 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
US20030179888A1 (en) * 2002-03-05 2003-09-25 Burnett Gregory C. Voice activity detection (VAD) devices and methods for use with noise suppression systems
US8280072B2 (en) 2003-03-27 2012-10-02 Aliphcom, Inc. Microphone array with rear venting
WO2002019077A2 (en) * 2000-09-01 2002-03-07 Sri International, Inc. Probabilistic alert correlation
US20020099541A1 (en) * 2000-11-21 2002-07-25 Burnett Gregory C. Method and apparatus for voiced speech excitation function determination and non-acoustic assisted feature extraction
GB2375698A (en) * 2001-02-07 2002-11-20 Canon Kk Audio signal processing apparatus
US8452023B2 (en) 2007-05-25 2013-05-28 Aliphcom Wind suppression/replacement component for use with electronic systems
WO2002098169A1 (en) * 2001-05-30 2002-12-05 Aliphcom Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
US20030095674A1 (en) * 2001-11-20 2003-05-22 Tokheim Corporation Microphone system for the fueling environment
JP3940662B2 (ja) * 2001-11-22 2007-07-04 株式会社東芝 音響信号処理方法及び音響信号処理装置及び音声認識装置
US7315623B2 (en) * 2001-12-04 2008-01-01 Harman Becker Automotive Systems Gmbh Method for supressing surrounding noise in a hands-free device and hands-free device
US7457426B2 (en) * 2002-06-14 2008-11-25 Phonak Ag Method to operate a hearing device and arrangement with a hearing device
EP1303166B1 (de) * 2002-06-14 2007-12-19 Phonak Ag Verfahren zum Betrieb eines Hörgerätes und Anordung mit einem Hörgerät
US6874796B2 (en) * 2002-12-04 2005-04-05 George A. Mercurio Sulky with buck-bar
WO2004068464A2 (en) * 2003-01-30 2004-08-12 Aliphcom, Inc. Acoustic vibration sensor
US9066186B2 (en) 2003-01-30 2015-06-23 Aliphcom Light-based detection for acoustic applications
EP1599742B1 (en) * 2003-02-25 2009-04-29 Oticon A/S Method for detection of own voice activity in a communication device
US9099094B2 (en) 2003-03-27 2015-08-04 Aliphcom Microphone array with rear venting
EP1473964A3 (en) * 2003-05-02 2006-08-09 Samsung Electronics Co., Ltd. Microphone array, method to process signals from this microphone array and speech recognition method and system using the same
DE102004005998B3 (de) * 2004-02-06 2005-05-25 Ruwisch, Dietmar, Dr. Verfahren und Vorrichtung zur Separierung von Schallsignalen
US8275147B2 (en) * 2004-05-05 2012-09-25 Deka Products Limited Partnership Selective shaping of communication signals
US20060140415A1 (en) * 2004-12-23 2006-06-29 Phonak Method and system for providing active hearing protection
US20060140416A1 (en) * 2004-12-23 2006-06-29 Phonak Ag Active hearing protection system and method
US20060262104A1 (en) * 2005-05-19 2006-11-23 Sullivan Darius M Systems and methods for distinguishing contact-induced plate vibrations from acoustic noise-induced plate vibrations
JP4912036B2 (ja) * 2006-05-26 2012-04-04 富士通株式会社 指向性集音装置、指向性集音方法、及びコンピュータプログラム
JP4367484B2 (ja) * 2006-12-25 2009-11-18 ソニー株式会社 音声信号処理装置、音声信号処理方法及び撮像装置
JP4516157B2 (ja) * 2008-09-16 2010-08-04 パナソニック株式会社 音声分析装置、音声分析合成装置、補正規則情報生成装置、音声分析システム、音声分析方法、補正規則情報生成方法、およびプログラム
WO2010042631A2 (en) * 2008-10-10 2010-04-15 Fastow Richard M Real-time data pattern analysis system and method of operation thereof
US8818802B2 (en) * 2008-10-10 2014-08-26 Spansion Llc Real-time data pattern analysis system and method of operation thereof
FR2948484B1 (fr) * 2009-07-23 2011-07-29 Parrot Procede de filtrage des bruits lateraux non-stationnaires pour un dispositif audio multi-microphone, notamment un dispositif telephonique "mains libres" pour vehicule automobile
DE102009029367B4 (de) * 2009-09-11 2012-01-12 Dietmar Ruwisch Verfahren und Vorrichtung zur Analyse und Abstimmung akustischer Eigenschaften einer Kfz-Freisprecheinrichtung
JP5493850B2 (ja) * 2009-12-28 2014-05-14 富士通株式会社 信号処理装置、マイクロホン・アレイ装置、信号処理方法、および信号処理プログラム
CN102111697B (zh) * 2009-12-28 2015-03-25 歌尔声学股份有限公司 一种麦克风阵列降噪控制方法及装置
JP5593852B2 (ja) 2010-06-01 2014-09-24 ソニー株式会社 音声信号処理装置、音声信号処理方法
JP6070953B2 (ja) * 2011-02-26 2017-02-01 日本電気株式会社 信号処理装置、信号処理方法、及び記憶媒体
US8818800B2 (en) * 2011-07-29 2014-08-26 2236008 Ontario Inc. Off-axis audio suppressions in an automobile cabin
US9258645B2 (en) * 2012-12-20 2016-02-09 2236008 Ontario Inc. Adaptive phase discovery
GB2516314B (en) * 2013-07-19 2017-03-08 Canon Kk Method and apparatus for sound sources localization with improved secondary sources localization
WO2015048254A1 (en) * 2013-09-25 2015-04-02 Robert Bosch Gmbh Speech detection circuit and method
BR112016014104B1 (pt) * 2013-12-19 2020-12-29 Telefonaktiebolaget Lm Ericsson (Publ) método de estimativa de ruído de fundo, estimador de ruído de fundo, detector de atividade de som, codec, dispositivo sem fio, nó de rede, meio de armazenamento legível por computador
US9865265B2 (en) 2015-06-06 2018-01-09 Apple Inc. Multi-microphone speech recognition systems and related techniques
US10013981B2 (en) 2015-06-06 2018-07-03 Apple Inc. Multi-microphone speech recognition systems and related techniques
CN110415718B (zh) * 2019-09-05 2020-11-03 腾讯科技（深圳）有限公司 信号生成的方法、基于人工智能的语音识别方法及装置

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US112430A (en) * 1871-03-07 Improvement in machines for cutting files
US4112430A (en) * 1977-06-01 1978-09-05 The United States Of America As Represented By The Secretary Of The Navy Beamformer for wideband signals
US4333170A (en) * 1977-11-21 1982-06-01 Northrop Corporation Acoustical detection and tracking system
US4653102A (en) * 1985-11-05 1987-03-24 Position Orientation Systems Directional microphone system
US4918732A (en) * 1986-01-06 1990-04-17 Motorola, Inc. Frame comparison method for word recognition in high noise environments
JPH01118900A (ja) * 1987-11-01 1989-05-11 Ricoh Co Ltd 雑音抑圧装置
US4912767A (en) * 1988-03-14 1990-03-27 International Business Machines Corporation Distributed noise cancellation system
EP0386765B1 (en) * 1989-03-10 1994-08-24 Nippon Telegraph And Telephone Corporation Method of detecting acoustic signal
US5212764A (en) * 1989-04-19 1993-05-18 Ricoh Company, Ltd. Noise eliminating apparatus and speech recognition apparatus using the same
GB2239971B (en) * 1989-12-06 1993-09-29 Ca Nat Research Council System for separating speech from background noise
EP0747879B1 (en) * 1990-05-28 2002-08-07 Matsushita Electric Industrial Co., Ltd. Voice signal coding system
CA2049173C (en) * 1990-08-16 1996-06-25 Shoji Fujimoto Speech recognition apparatus
JPH05134694A (ja) * 1991-11-15 1993-05-28 Sony Corp 音声認識装置
US5400409A (en) * 1992-12-23 1995-03-21 Daimler-Benz Ag Noise-reduction method for noise-affected voice channels

Also Published As

Publication number Publication date
DK0557166T3 (da) 1997-11-03
DE69314514D1 (de) 1997-11-20
FR2687496A1 (fr) 1993-08-20
GR3025804T3 (en) 1998-03-31
DE69314514T2 (de) 1998-02-12
ES2107635T3 (es) 1997-12-01
FI104526B (fi) 2000-02-15
FI930655A0 (fi) 1993-02-15
FR2687496B1 (fr) 1994-04-01
AU3285493A (en) 1993-08-19
ATE159373T1 (de) 1997-11-15
AU662199B2 (en) 1995-08-24
US5539859A (en) 1996-07-23
NZ245850A (en) 1995-11-27
EP0557166A1 (fr) 1993-08-25
EP0557166B1 (fr) 1997-10-15

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