DE69011709D1 - Einrichtung zur Feststellung eines akustischen Signals. - Google Patents

Einrichtung zur Feststellung eines akustischen Signals.

Info

Publication number
DE69011709D1
DE69011709D1 DE69011709T DE69011709T DE69011709D1 DE 69011709 D1 DE69011709 D1 DE 69011709D1 DE 69011709 T DE69011709 T DE 69011709T DE 69011709 T DE69011709 T DE 69011709T DE 69011709 D1 DE69011709 D1 DE 69011709D1
Authority
DE
Germany
Prior art keywords
detecting
acoustic signal
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.)
Expired - Fee Related
Application number
DE69011709T
Other languages
English (en)
Other versions
DE69011709T2 (de
Inventor
Yutaka Kaneda
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Application granted granted Critical
Publication of DE69011709D1 publication Critical patent/DE69011709D1/de
Publication of DE69011709T2 publication Critical patent/DE69011709T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/78Detection of presence or absence of voice signals
    • 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
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L2021/02082Noise filtering the noise being echo, reverberation of the speech
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/0208Noise filtering
    • G10L21/0216Noise filtering characterised by the method used for estimating noise
    • G10L2021/02161Number of inputs available containing the signal or the noise to be suppressed
    • G10L2021/02166Microphone arrays; Beamforming
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/40Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
    • H04R2201/403Linear arrays of transducers
DE69011709T 1989-03-10 1990-03-08 Einrichtung zur Feststellung eines akustischen Signals. Expired - Fee Related DE69011709T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5895389 1989-03-10

Publications (2)

Publication Number Publication Date
DE69011709D1 true DE69011709D1 (de) 1994-09-29
DE69011709T2 DE69011709T2 (de) 1994-12-15

Family

ID=13099200

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69011709T Expired - Fee Related DE69011709T2 (de) 1989-03-10 1990-03-08 Einrichtung zur Feststellung eines akustischen Signals.

Country Status (4)

Country Link
US (1) US5208864A (de)
EP (1) EP0386765B1 (de)
CA (1) CA2011775C (de)
DE (1) DE69011709T2 (de)

Families Citing this family (77)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2687496B1 (fr) * 1992-02-18 1994-04-01 Alcatel Radiotelephone Procede de reduction de bruit acoustique dans un signal de parole.
US5400409A (en) * 1992-12-23 1995-03-21 Daimler-Benz Ag Noise-reduction method for noise-affected voice channels
US5572621A (en) * 1993-09-21 1996-11-05 U.S. Philips Corporation Speech signal processing device with continuous monitoring of signal-to-noise ratio
US5862240A (en) * 1995-02-10 1999-01-19 Sony Corporation Microphone device
US5825898A (en) * 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
KR100198289B1 (ko) * 1996-12-27 1999-06-15 구자홍 마이크 시스템의 지향성 제어장치와 제어방법
US6178248B1 (en) 1997-04-14 2001-01-23 Andrea Electronics Corporation Dual-processing interference cancelling system and method
US7146012B1 (en) * 1997-11-22 2006-12-05 Koninklijke Philips Electronics N.V. Audio processing arrangement with multiple sources
US6205422B1 (en) * 1998-11-30 2001-03-20 Microsoft Corporation Morphological pure speech detection using valley percentage
US6363345B1 (en) 1999-02-18 2002-03-26 Andrea Electronics Corporation System, method and apparatus for cancelling noise
US7146013B1 (en) * 1999-04-28 2006-12-05 Alpine Electronics, Inc. Microphone system
KR100812109B1 (ko) * 1999-10-19 2008-03-12 소니 일렉트로닉스 인코포레이티드 자연어 인터페이스 제어 시스템
US6594367B1 (en) 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
AUPQ615000A0 (en) * 2000-03-09 2000-03-30 Tele-Ip Limited Acoustic sounding
FR2808391B1 (fr) * 2000-04-28 2002-06-07 France Telecom Systeme de reception pour antenne multicapteur
US8280072B2 (en) 2003-03-27 2012-10-02 Aliphcom, Inc. Microphone array with rear venting
US8019091B2 (en) 2000-07-19 2011-09-13 Aliphcom, Inc. Voice activity detector (VAD) -based multiple-microphone acoustic noise suppression
US20070233479A1 (en) * 2002-05-30 2007-10-04 Burnett Gregory C Detecting voiced and unvoiced speech using both acoustic and nonacoustic sensors
GB2367730B (en) * 2000-10-06 2005-04-27 Mitel Corp Method and apparatus for minimizing far-end speech effects in hands-free telephony systems using acoustic beamforming
US8452023B2 (en) 2007-05-25 2013-05-28 Aliphcom Wind suppression/replacement component for use with electronic systems
US7142677B2 (en) * 2001-07-17 2006-11-28 Clarity Technologies, Inc. Directional sound acquisition
JP4247002B2 (ja) * 2003-01-22 2009-04-02 富士通株式会社 マイクロホンアレイを用いた話者距離検出装置及び方法並びに当該装置を用いた音声入出力装置
US9066186B2 (en) 2003-01-30 2015-06-23 Aliphcom Light-based detection for acoustic applications
DE602004020872D1 (de) 2003-02-25 2009-06-10 Oticon As T in einer kommunikationseinrichtung
US9099094B2 (en) 2003-03-27 2015-08-04 Aliphcom Microphone array with rear venting
JP3816088B2 (ja) * 2003-07-04 2006-08-30 松下電器産業株式会社 データ一致検出装置、データ一致検出方法、データ選別装置
US7130385B1 (en) * 2004-03-05 2006-10-31 Avaya Technology Corp. Advanced port-based E911 strategy for IP telephony
US7764782B1 (en) 2004-03-27 2010-07-27 Avaya Inc. Method and apparatus for routing telecommunication calls
US7057803B2 (en) * 2004-06-30 2006-06-06 Finisar Corporation Linear optical amplifier using coupled waveguide induced feedback
US7649916B2 (en) * 2004-06-30 2010-01-19 Finisar Corporation Semiconductor laser with side mode suppression
US20060045157A1 (en) * 2004-08-26 2006-03-02 Finisar Corporation Semiconductor laser with expanded mode
US7817805B1 (en) 2005-01-12 2010-10-19 Motion Computing, Inc. System and method for steering the directional response of a microphone to a moving acoustic source
US8107625B2 (en) * 2005-03-31 2012-01-31 Avaya Inc. IP phone intruder security monitoring system
US7565288B2 (en) * 2005-12-22 2009-07-21 Microsoft Corporation Spatial noise suppression for a microphone array
US8345890B2 (en) * 2006-01-05 2013-01-01 Audience, Inc. System and method for utilizing inter-microphone level differences for speech enhancement
US8194880B2 (en) * 2006-01-30 2012-06-05 Audience, Inc. System and method for utilizing omni-directional microphones for speech enhancement
US9185487B2 (en) * 2006-01-30 2015-11-10 Audience, Inc. System and method for providing noise suppression utilizing null processing noise subtraction
US8204252B1 (en) 2006-10-10 2012-06-19 Audience, Inc. System and method for providing close microphone adaptive array processing
US8744844B2 (en) * 2007-07-06 2014-06-03 Audience, Inc. System and method for adaptive intelligent noise suppression
US8849231B1 (en) 2007-08-08 2014-09-30 Audience, Inc. System and method for adaptive power control
US8934641B2 (en) * 2006-05-25 2015-01-13 Audience, Inc. Systems and methods for reconstructing decomposed audio signals
US8949120B1 (en) 2006-05-25 2015-02-03 Audience, Inc. Adaptive noise cancelation
US8204253B1 (en) 2008-06-30 2012-06-19 Audience, Inc. Self calibration of audio device
US8150065B2 (en) * 2006-05-25 2012-04-03 Audience, Inc. System and method for processing an audio signal
US8259926B1 (en) 2007-02-23 2012-09-04 Audience, Inc. System and method for 2-channel and 3-channel acoustic echo cancellation
US8494177B2 (en) 2007-06-13 2013-07-23 Aliphcom Virtual microphone array systems using dual omindirectional microphone array (DOMA)
US8189766B1 (en) 2007-07-26 2012-05-29 Audience, Inc. System and method for blind subband acoustic echo cancellation postfiltering
JP5259622B2 (ja) * 2007-12-10 2013-08-07 パナソニック株式会社 収音装置、収音方法、収音プログラム、および集積回路
US8180064B1 (en) 2007-12-21 2012-05-15 Audience, Inc. System and method for providing voice equalization
US8143620B1 (en) 2007-12-21 2012-03-27 Audience, Inc. System and method for adaptive classification of audio sources
US8194882B2 (en) 2008-02-29 2012-06-05 Audience, Inc. System and method for providing single microphone noise suppression fallback
US8355511B2 (en) 2008-03-18 2013-01-15 Audience, Inc. System and method for envelope-based acoustic echo cancellation
JP4608593B2 (ja) * 2008-06-02 2011-01-12 新日本製鐵株式会社 寸法測定システム
ES2582232T3 (es) * 2008-06-30 2016-09-09 Dolby Laboratories Licensing Corporation Detector de actividad de voz de múltiples micrófonos
US8521530B1 (en) 2008-06-30 2013-08-27 Audience, Inc. System and method for enhancing a monaural audio signal
US8774423B1 (en) 2008-06-30 2014-07-08 Audience, Inc. System and method for controlling adaptivity of signal modification using a phantom coefficient
EP2146519B1 (de) * 2008-07-16 2012-06-06 Nuance Communications, Inc. Strahlenformungsvorverarbeitung zur Lokalisierung von Sprechern
DE112009005215T8 (de) * 2009-08-04 2013-01-03 Nokia Corp. Verfahren und Vorrichtung zur Audiosignalklassifizierung
US9008329B1 (en) 2010-01-26 2015-04-14 Audience, Inc. Noise reduction using multi-feature cluster tracker
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
JP5857403B2 (ja) * 2010-12-17 2016-02-10 富士通株式会社 音声処理装置および音声処理プログラム
EP2642768B1 (de) * 2010-12-21 2018-03-14 Nippon Telegraph And Telephone Corporation Tonverbesserungsverfahren, -vorrichtung und -programm sowie aufzeichnungsmedium
GB2493327B (en) 2011-07-05 2018-06-06 Skype Processing audio signals
GB2495128B (en) 2011-09-30 2018-04-04 Skype Processing signals
GB2495472B (en) * 2011-09-30 2019-07-03 Skype Processing audio signals
GB2495129B (en) 2011-09-30 2017-07-19 Skype Processing signals
GB2495131A (en) 2011-09-30 2013-04-03 Skype A mobile device includes a received-signal beamformer that adapts to motion of the mobile device
GB2496660B (en) 2011-11-18 2014-06-04 Skype Processing audio signals
GB201120392D0 (en) 2011-11-25 2012-01-11 Skype Ltd Processing signals
GB2497343B (en) 2011-12-08 2014-11-26 Skype Processing audio signals
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
US9536540B2 (en) 2013-07-19 2017-01-03 Knowles Electronics, Llc Speech signal separation and synthesis based on auditory scene analysis and speech modeling
CN105321528B (zh) * 2014-06-27 2019-11-05 中兴通讯股份有限公司 一种麦克风阵列语音检测方法及装置
CN106797512B (zh) 2014-08-28 2019-10-25 美商楼氏电子有限公司 多源噪声抑制的方法、系统和非瞬时计算机可读存储介质
CN108614268B (zh) * 2018-04-26 2021-12-07 中国人民解放军91550部队 低空高速飞行目标的声学跟踪方法
CN111294473B (zh) * 2019-01-28 2022-01-04 展讯通信(上海)有限公司 信号处理方法及装置
US11863702B2 (en) * 2021-08-04 2024-01-02 Nokia Technologies Oy Acoustic echo cancellation using a control parameter

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4195360A (en) * 1973-10-16 1980-03-25 Her Majesty The Queen In Right Of Canada, As Represented By The Minister Of National Defence Signal processing circuit
FR2305909A1 (fr) * 1975-03-28 1976-10-22 Dassault Electronique Appareil microphonique pour la transmission de la parole dans une ambiance bruyante
US4215241A (en) * 1978-10-16 1980-07-29 Frank L. Eppenger Sound operated control device
US4412097A (en) * 1980-01-28 1983-10-25 Victor Company Of Japan, Ltd. Variable-directivity microphone device
JPS5939198A (ja) * 1982-08-27 1984-03-03 Victor Co Of Japan Ltd マイクロホン装置
US4489442A (en) * 1982-09-30 1984-12-18 Shure Brothers, Inc. Sound actuated microphone system
US4536887A (en) * 1982-10-18 1985-08-20 Nippon Telegraph & Telephone Public Corporation Microphone-array apparatus and method for extracting desired signal
US4696043A (en) * 1984-08-24 1987-09-22 Victor Company Of Japan, Ltd. Microphone apparatus having a variable directivity pattern
US4589137A (en) * 1985-01-03 1986-05-13 The United States Of America As Represented By The Secretary Of The Navy Electronic noise-reducing system
US4653102A (en) * 1985-11-05 1987-03-24 Position Orientation Systems Directional microphone system
US4888807A (en) * 1989-01-18 1989-12-19 Audio-Technica U.S., Inc. Variable pattern microphone system

Also Published As

Publication number Publication date
DE69011709T2 (de) 1994-12-15
CA2011775C (en) 1995-06-27
US5208864A (en) 1993-05-04
EP0386765B1 (de) 1994-08-24
CA2011775A1 (en) 1990-09-10
EP0386765A3 (de) 1991-03-20
EP0386765A2 (de) 1990-09-12

Similar Documents

Publication Publication Date Title
DE69011709T2 (de) Einrichtung zur Feststellung eines akustischen Signals.
DE68920102D1 (de) Gerät zur Verarbeitung eines echographischen Signals.
DE3850090D1 (de) Gerät zur schnellen Überprüfung der Gültigkeit eines Signals.
DE68921518D1 (de) Vorrichtung zur Detektion eines photoakustischen Signals.
DE69105760D1 (de) Einrichtung zur Signalverarbeitung.
DE69023296T2 (de) Verfahren und Gerät zur Erfassung eines photoakustischen Signals.
ATA176882A (de) Geraet zur wiedergabe eines informationssignals
DE69636152D1 (de) Vorrichtung zur Dekodierung eines digitalen Signals
DE3783050D1 (de) Geraet zur erkennung eines synchronsignals.
DE69027752T2 (de) Audiosystem zur Verstärkung eines Audiosignals
DK0458931T3 (da) Anordning til behandling af sensorsignaler
DE3777021D1 (de) Vorrichtung zur ermittlung der digitalen transformation eines signals.
DE69016089T2 (de) Gerät zur Ermittlung des Übersprechniveaus eines optischen Lesesignales.
DE69132148T2 (de) Vorrichtung zur Verarbeitung eines Signals
DE69011566T2 (de) Akustisches Detektionsgerät.
DE68920089T2 (de) Schaltung zur Verarbeitung eines sich zeitlich ändernden Signals.
DK0457868T3 (da) Anordning til behandling af sensorsignaler
DE68922649D1 (de) Vorrichtung zur Verarbeitung eines Videosignals.
DE59812244D1 (de) Vorrichtung zur erkennung eines fehlerhaften signales
DE59108288D1 (de) Vorrichtung zum erfassen von signalen
DE3869795D1 (de) Geraet zur aufzeichnung und wiedergabe eines signals.
DE59010460D1 (de) Adaptive Vorrichtung zur Identifikation eines periodischen Signals
DE69520804D1 (de) Gerät zur Detektion eines aufgezeichneten Signals
DE69614416D1 (de) Vorrichtung zur Einstellung der Dämpfung eines Signals
DE69128828D1 (de) Verstärkervorrichtung zur Signalaufzeichnung

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee