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
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
- G10L25/78—Detection of presence or absence of voice signals
-
- 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing 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
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing 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
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details 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
- H04R2201/403—Linear arrays of transducers
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)
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)
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 |
-
1990
- 1990-03-08 EP EP90104454A patent/EP0386765B1/de not_active Expired - Lifetime
- 1990-03-08 US US07/490,773 patent/US5208864A/en not_active Expired - Lifetime
- 1990-03-08 CA CA002011775A patent/CA2011775C/en not_active Expired - Lifetime
- 1990-03-08 DE DE69011709T patent/DE69011709T2/de not_active Expired - Fee Related
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 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |