CA2390287C - Acoustic source range detection system - Google Patents

Acoustic source range detection system Download PDF

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Publication number
CA2390287C
CA2390287C CA002390287A CA2390287A CA2390287C CA 2390287 C CA2390287 C CA 2390287C CA 002390287 A CA002390287 A CA 002390287A CA 2390287 A CA2390287 A CA 2390287A CA 2390287 C CA2390287 C CA 2390287C
Authority
CA
Canada
Prior art keywords
acoustic
acoustic signal
direct
reverberant
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 - Lifetime
Application number
CA002390287A
Other languages
English (en)
French (fr)
Other versions
CA2390287A1 (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.)
BlackBerry Ltd
Original Assignee
QNX Software Systems 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 QNX Software Systems Wavemakers Inc filed Critical QNX Software Systems Wavemakers Inc
Publication of CA2390287A1 publication Critical patent/CA2390287A1/en
Application granted granted Critical
Publication of CA2390287C publication Critical patent/CA2390287C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers
    • H04R3/005—Circuits for transducers 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)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Otolaryngology (AREA)
  • General Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Remote Sensing (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)
CA002390287A 1999-11-05 2000-10-30 Acoustic source range detection system Expired - Lifetime CA2390287C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/434,781 US6243322B1 (en) 1999-11-05 1999-11-05 Method for estimating the distance of an acoustic signal
US09/434,781 1999-11-05
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 (2)

Publication Number Publication Date
CA2390287A1 CA2390287A1 (en) 2001-05-17
CA2390287C true CA2390287C (en) 2008-03-25

Family

ID=23725677

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002390287A Expired - Lifetime CA2390287C (en) 1999-11-05 2000-10-30 Acoustic source range detection system

Country Status (6)

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

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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
WO2004077090A1 (en) 2003-02-25 2004-09-10 Oticon A/S Method for detection of own voice activity in a communication device
EP1620748A1 (en) * 2003-04-22 2006-02-01 Koninklijke Philips Electronics N.V. Object position estimation system, apparatus and method
US20040213415A1 (en) * 2003-04-28 2004-10-28 Ratnam Rama Determining reverberation time
WO2004097350A2 (en) * 2003-04-28 2004-11-11 The Board Of Trustees Of The University Of Illinois Room volume and room dimension estimation
GB0324536D0 (en) 2003-10-21 2003-11-26 Mitel Networks Corp Detecting acoustic echoes using microphone arrays
WO2005088339A1 (en) * 2004-03-09 2005-09-22 Koninklijke Philips Electronics N.V. Object position estimation
EP1581026B1 (en) 2004-03-17 2015-11-11 Nuance Communications, Inc. Method for detecting and reducing noise from a microphone array
JP5156389B2 (ja) * 2005-01-05 2013-03-06 テンプル・ユニバーシティ−オブ・ザ・コモンウェルス・システム・オブ・ハイアー・エデュケイション 薬剤耐性増殖性疾患の治療剤
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
DK1956589T3 (da) * 2007-02-06 2010-04-26 Oticon As Estimering af egenstemmeaktivitet i et høreapparatsystem ud fra forholdet mellem direkte lyd og efterklang
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
JP5400225B2 (ja) * 2009-10-05 2014-01-29 ハーマン インターナショナル インダストリーズ インコーポレイテッド オーディオ信号の空間的抽出のためのシステム
US8755546B2 (en) * 2009-10-21 2014-06-17 Pansonic Corporation Sound processing apparatus, sound processing method and hearing aid
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
BR112015020150B1 (pt) * 2013-02-26 2021-08-17 Mediatek Inc. Aparelho para gerar um sinal de fala, e, método para gerar um sinal de fala
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

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Publication number Priority date Publication date Assignee Title
US4312053A (en) * 1971-12-03 1982-01-19 Subcom, Inc. Range and depth detection system
US3784747A (en) * 1971-12-03 1974-01-08 Bell Telephone Labor Inc Speech suppression by predictive filtering
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
AU1443901A (en) 2001-06-06
WO2001035118A1 (en) 2001-05-17
JP2003514412A (ja) 2003-04-15
CA2390287A1 (en) 2001-05-17
US6243322B1 (en) 2001-06-05

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