AU1443901A - Method to determine whether an acoustic source is near or far from a pair of microphones - Google Patents

Method to determine whether an acoustic source is near or far from a pair of microphones

Info

Publication number
AU1443901A
AU1443901A AU14439/01A AU1443901A AU1443901A AU 1443901 A AU1443901 A AU 1443901A AU 14439/01 A AU14439/01 A AU 14439/01A AU 1443901 A AU1443901 A AU 1443901A AU 1443901 A AU1443901 A AU 1443901A
Authority
AU
Australia
Prior art keywords
acoustic signal
microphones
acoustic
direct
reverberant
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
Application number
AU14439/01A
Other languages
English (en)
Inventor
Pierre Zakarauskas
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.)
WaveMakers Inc
Original Assignee
WaveMakers Inc
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 WaveMakers Inc filed Critical WaveMakers Inc
Publication of AU1443901A publication Critical patent/AU1443901A/en
Assigned to WAVEMAKERS INC. reassignment WAVEMAKERS INC. Amend patent request/document other than specification (104) Assignors: WAVEMAKERS RESEARCH, INC.
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G01S11/00—Systems for determining distance or velocity not using reflection or reradiation
    • G01S11/14—Systems for determining distance or velocity not using reflection or reradiation using ultrasonic, sonic, or infrasonic waves
    • 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
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/48—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00 specially adapted for particular use
    • 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 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
    • G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Acoustics & Sound (AREA)
  • Remote Sensing (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Computational Linguistics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Multimedia (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
AU14439/01A 1999-11-05 2000-10-30 Method to determine whether an acoustic source is near or far from a pair of microphones Abandoned AU1443901A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09434781 1999-11-05
US09/434,781 US6243322B1 (en) 1999-11-05 1999-11-05 Method for estimating the distance of an acoustic signal
PCT/US2000/029862 WO2001035118A1 (en) 1999-11-05 2000-10-30 Method to determine whether an acoustic source is near or far from a pair of microphones

Publications (1)

Publication Number Publication Date
AU1443901A true AU1443901A (en) 2001-06-06

Family

ID=23725677

Family Applications (1)

Application Number Title Priority Date Filing Date
AU14439/01A Abandoned AU1443901A (en) 1999-11-05 2000-10-30 Method to determine whether an acoustic source is near or far from a pair of microphones

Country Status (6)

Country Link
US (1) US6243322B1 (enExample)
EP (1) EP1226454A1 (enExample)
JP (1) JP2003514412A (enExample)
AU (1) AU1443901A (enExample)
CA (1) CA2390287C (enExample)
WO (1) WO2001035118A1 (enExample)

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GB2364121B (en) 2000-06-30 2004-11-24 Mitel Corp Method and apparatus for locating a talker
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
US7512245B2 (en) 2003-02-25 2009-03-31 Oticon A/S Method for detection of own voice activity in a communication device
WO2004095056A1 (en) * 2003-04-22 2004-11-04 Koninklijke Philips Electronics N.V. Object position estimation system, apparatus and method
WO2004097350A2 (en) * 2003-04-28 2004-11-11 The Board Of Trustees Of The University Of Illinois Room volume and room dimension estimation
US20040213415A1 (en) * 2003-04-28 2004-10-28 Ratnam Rama Determining reverberation time
GB0324536D0 (en) * 2003-10-21 2003-11-26 Mitel Networks Corp Detecting acoustic echoes using microphone arrays
JP2007528496A (ja) * 2004-03-09 2007-10-11 コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ 位置決定方法、装置、コンピュータープログラム
EP1581026B1 (en) * 2004-03-17 2015-11-11 Nuance Communications, Inc. Method for detecting and reducing noise from a microphone array
CA2593523C (en) * 2005-01-05 2014-04-08 Temple University - Of The Commonwealth System Of Higher Education Treatment of drug-resistant proliferative disorders
US8180067B2 (en) * 2006-04-28 2012-05-15 Harman International Industries, Incorporated System for selectively extracting components of an audio input signal
US8036767B2 (en) 2006-09-20 2011-10-11 Harman International Industries, Incorporated System for extracting and changing the reverberant content of an audio input signal
JP4854533B2 (ja) * 2007-01-30 2012-01-18 富士通株式会社 音響判定方法、音響判定装置及びコンピュータプログラム
ATE453910T1 (de) * 2007-02-06 2010-01-15 Oticon As Abschätzung der eigenen stimmaktivität mit einem hörgerätsystem aufgrund des verhältnisses zwischen direktklang und widerhall
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
CN102687536B (zh) * 2009-10-05 2017-03-08 哈曼国际工业有限公司 用于音频信号的空间提取的系统
WO2011048813A1 (ja) * 2009-10-21 2011-04-28 パナソニック株式会社 音響処理装置、音響処理方法及び補聴器
EP2362238B1 (en) 2010-02-26 2014-06-04 Honda Research Institute Europe GmbH Estimating the distance from a sensor to a sound source
EP2410769B1 (en) * 2010-07-23 2014-10-22 Sony Ericsson Mobile Communications AB Method for determining an acoustic property of an environment
US10015589B1 (en) 2011-09-02 2018-07-03 Cirrus Logic, Inc. Controlling speech enhancement algorithms using near-field spatial statistics
JP5834948B2 (ja) * 2012-01-24 2015-12-24 富士通株式会社 残響抑制装置、残響抑制方法及び残響抑制用コンピュータプログラム
US8965033B2 (en) * 2012-08-31 2015-02-24 Sonos, Inc. Acoustic optimization
CN104010265A (zh) * 2013-02-22 2014-08-27 杜比实验室特许公司 音频空间渲染设备及方法
JP6519877B2 (ja) * 2013-02-26 2019-05-29 聯發科技股▲ふん▼有限公司Ｍｅｄｉａｔｅｋ Ｉｎｃ． 音声信号を発生するための方法及び装置
DE102013207149A1 (de) * 2013-04-19 2014-11-06 Siemens Medical Instruments Pte. Ltd. Steuerung der Effektstärke eines binauralen direktionalen Mikrofons
US9739883B2 (en) 2014-05-16 2017-08-22 Elwha Llc Systems and methods for ultrasonic velocity and acceleration detection
US9618618B2 (en) * 2014-03-10 2017-04-11 Elwha Llc Systems and methods for ultrasonic position and motion detection
US9995823B2 (en) 2015-07-31 2018-06-12 Elwha Llc Systems and methods for utilizing compressed sensing in an entertainment system

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784747A (en) * 1971-12-03 1974-01-08 Bell Telephone Labor Inc Speech suppression by predictive filtering
US4312053A (en) * 1971-12-03 1982-01-19 Subcom, Inc. Range and depth detection system
JPH087260B2 (ja) * 1990-05-18 1996-01-29 運輸省船舶技術研究所長 霧笛音の伝播特性を利用した距離の検知方法及び装置
JP2985982B2 (ja) * 1991-09-27 1999-12-06 日本電信電話株式会社 音源方向推定方法
FR2687496B1 (fr) * 1992-02-18 1994-04-01 Alcatel Radiotelephone Procede de reduction de bruit acoustique dans un signal de parole.
JPH06105400A (ja) * 1992-09-17 1994-04-15 Olympus Optical Co Ltd ３次元空間再現システム
US6002776A (en) * 1995-09-18 1999-12-14 Interval Research Corporation Directional acoustic signal processor and method therefor
US5673327A (en) * 1996-03-04 1997-09-30 Julstrom; Stephen D. Microphone mixer
JP3522954B2 (ja) * 1996-03-15 2004-04-26 株式会社東芝 マイクロホンアレイ入力型音声認識装置及び方法
US5778082A (en) * 1996-06-14 1998-07-07 Picturetel Corporation Method and apparatus for localization of an acoustic source
US6160758A (en) * 1996-06-28 2000-12-12 Scientific Innovations, Inc. Utilization of auto and cross-correlation functions in methods for locating a source of a primary signal and for localizing signals
JPH1164090A (ja) * 1997-08-20 1999-03-05 Fujitsu Ltd 音源検出装置
JPH11304906A (ja) * 1998-04-20 1999-11-05 Nippon Telegr & Teleph Corp <Ntt> 音源位置推定方法およびそのプログラムを記録した記録媒体

Also Published As

Publication number Publication date
EP1226454A1 (en) 2002-07-31
US6243322B1 (en) 2001-06-05
WO2001035118A1 (en) 2001-05-17
CA2390287A1 (en) 2001-05-17
CA2390287C (en) 2008-03-25
JP2003514412A (ja) 2003-04-15

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Legal Events

Date Code Title Description
TC Change of applicant's name (sec. 104)

Owner name: WAVEMAKERS INC.

Free format text: FORMER NAME: WAVEMAKERS RESEARCH, INC.