CA2348894C - Techniques de traitement d'un signal binaural - Google Patents

Techniques de traitement d'un signal binaural Download PDF

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Publication number
CA2348894C
CA2348894C CA002348894A CA2348894A CA2348894C CA 2348894 C CA2348894 C CA 2348894C CA 002348894 A CA002348894 A CA 002348894A CA 2348894 A CA2348894 A CA 2348894A CA 2348894 C CA2348894 C CA 2348894C
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CA
Canada
Prior art keywords
signal
signals
source
acoustic
delayed
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
CA002348894A
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English (en)
Other versions
CA2348894A1 (fr
Inventor
Albert S. Feng
Chen Liu
Robert C. Bilger
Douglas L. Jones
Charissa R. Lansing
William D. O'brien, Jr.
Bruce C. Wheeler
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University of Illinois
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University of Illinois
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Publication date
Priority claimed from US09/193,058 external-priority patent/US6987856B1/en
Application filed by University of Illinois filed Critical University of Illinois
Publication of CA2348894A1 publication Critical patent/CA2348894A1/fr
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Publication of CA2348894C publication Critical patent/CA2348894C/fr
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Expired - Fee Related legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/552—Binaural

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Stereophonic System (AREA)
  • Stereophonic Arrangements (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)

Abstract

Selon l'invention, un signal acoustique désiré est extrait d'un environnement bruyant par génération d'un signal représentant le signal désiré, à l'aide d'un processeur (30). Le processeur (30) reçoit des signaux sonores de deux capteurs (22, 24) situés chacun à un emplacement différent. Les deux entrées reçues par le processeur (30) sont converties du format analogique au format numérique, puis soumises à une transformée de Fourier discrète en vue de générer des représentations de signaux spectraux discrets. Les signaux spectraux sont retardés pour faire passer un certain nombre de signaux intermédiaires correspondant chacun à un emplacement spatial diffférent relativement aux deux capteurs. Les emplacements de la source de bruit et de la source désirée et le contenu spectral du signal désiré sont déterminés à partir du signal intermédiaire correspondant aux emplacements de la source de bruit. Une transformée inverse du signal intermédiaire choisi, suivie d'une conversion numérique-analogique, produit un signal de sortie représentant le signal désiré, grâce à une unité de sortie (90). L'invention concerne également des techniques permettant de localiser de multiples sources acoustiques. Elle concerne en outre une technique pouvant améliorer la réduction du bruit dans de multiples sources, sur la base d'une réception mettant en oeuvre deux capteurs.
CA002348894A 1998-11-16 1999-11-16 Techniques de traitement d'un signal binaural Expired - Fee Related CA2348894C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US09/193,058 1998-11-16
US09/193,058 US6987856B1 (en) 1996-06-19 1998-11-16 Binaural signal processing techniques
PCT/US1999/026965 WO2000030404A1 (fr) 1998-11-16 1999-11-16 Techniques de traitement d'un signal binaural

Publications (2)

Publication Number Publication Date
CA2348894A1 CA2348894A1 (fr) 2000-05-22
CA2348894C true CA2348894C (fr) 2007-09-25

Family

ID=22712122

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002348894A Expired - Fee Related CA2348894C (fr) 1998-11-16 1999-11-16 Techniques de traitement d'un signal binaural

Country Status (9)

Country Link
EP (1) EP1133899B1 (fr)
JP (1) JP3745227B2 (fr)
CN (1) CN1333994A (fr)
AT (1) ATE404028T1 (fr)
AU (1) AU748113B2 (fr)
CA (1) CA2348894C (fr)
DE (1) DE69939272D1 (fr)
DK (1) DK1133899T3 (fr)
WO (1) WO2000030404A1 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7206423B1 (en) 2000-05-10 2007-04-17 Board Of Trustees Of University Of Illinois Intrabody communication for a hearing aid
ITMI20020566A1 (it) * 2002-03-18 2003-09-18 Daniele Ramenzoni Dispositivo per captare movimenti anche piccoli nell'aria e nei fluidi adatto per applicazioni cibernetiche e di laboratorio come trasduttor
US7433821B2 (en) * 2003-12-18 2008-10-07 Honeywell International, Inc. Methods and systems for intelligibility measurement of audio announcement systems
JP4580210B2 (ja) 2004-10-19 2010-11-10 ソニー株式会社 音声信号処理装置および音声信号処理方法
CN101512374B (zh) * 2006-11-09 2012-04-11 松下电器产业株式会社 声源位置检测装置
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
KR101414412B1 (ko) * 2008-05-09 2014-07-01 노키아 코포레이션 오디오 신호의 인코딩 장치, 오디오 신호의 디코딩 장치, 오디오 신호의 인코딩 방법, 스케일러블 인코딩 오디오 신호의 디코딩 방법, 인코더, 디코더, 전자기기 및 컴퓨터 판독가능한 기록 매체
US20100074460A1 (en) * 2008-09-25 2010-03-25 Lucent Technologies Inc. Self-steering directional hearing aid and method of operation thereof
CN102204281B (zh) * 2008-11-05 2015-06-10 希尔Ip有限公司 用于产生定向输出信号的系统和方法
US20110096941A1 (en) * 2009-10-28 2011-04-28 Alcatel-Lucent Usa, Incorporated Self-steering directional loudspeakers and a method of operation thereof
DE102009052992B3 (de) 2009-11-12 2011-03-17 Institut für Rundfunktechnik GmbH Verfahren zum Abmischen von Mikrofonsignalen einer Tonaufnahme mit mehreren Mikrofonen
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
EP2537353B1 (fr) * 2010-02-19 2018-03-07 Sivantos Pte. Ltd. Dispositif et procédé pour diminuer le bruit spatial en fonction de la direction
EP2709101B1 (fr) * 2012-09-13 2015-03-18 Nxp B.V. Système et procédé de traitement audio numérique
JP6107151B2 (ja) 2013-01-15 2017-04-05 富士通株式会社 雑音抑圧装置、方法、及びプログラム
CN105307095B (zh) * 2015-09-15 2019-09-10 中国电子科技集团公司第四十一研究所 一种基于fft的高分辨率音频频率测量方法
CN108727363B (zh) * 2017-04-19 2020-06-19 劲方医药科技(上海)有限公司 一种新型细胞周期蛋白依赖性激酶cdk9抑制剂
CN109493877B (zh) * 2017-09-12 2022-01-28 清华大学 一种助听装置的语音增强方法和装置
KR20230015513A (ko) * 2017-12-07 2023-01-31 헤드 테크놀로지 에스아에르엘 음성인식 오디오 시스템 및 방법
CN111435598B (zh) * 2019-01-15 2023-08-18 北京地平线机器人技术研发有限公司 语音信号处理方法、装置、计算机可读介质及电子设备
CN112190259B (zh) * 2020-09-10 2024-06-28 北京济声科技有限公司 用于测试声源定位能力的方法、测试者终端、受试者终端
CN114624652B (zh) * 2022-03-16 2022-09-30 浙江浙能技术研究院有限公司 一种强多径干扰条件下的声源定位方法
CN117031397B (zh) * 2023-10-07 2023-12-12 成都流体动力创新中心 一种运动物体噪声源定位和评估的快速计算方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6223300A (ja) * 1985-07-23 1987-01-31 Victor Co Of Japan Ltd 指向性マイクロホン装置
US5029216A (en) * 1989-06-09 1991-07-02 The United States Of America As Represented By The Administrator Of The National Aeronautics & Space Administration Visual aid for the hearing impaired
US5400409A (en) * 1992-12-23 1995-03-21 Daimler-Benz Ag Noise-reduction method for noise-affected voice channels
US5473701A (en) * 1993-11-05 1995-12-05 At&T Corp. Adaptive microphone array
US6130949A (en) * 1996-09-18 2000-10-10 Nippon Telegraph And Telephone Corporation Method and apparatus for separation of source, program recorded medium therefor, method and apparatus for detection of sound source zone, and program recorded medium therefor
ATE243893T1 (de) * 1997-04-14 2003-07-15 Andrea Electronics Corp Interferenzunterdrückungssystem und verfahren mit doppelverarbeitung

Also Published As

Publication number Publication date
JP3745227B2 (ja) 2006-02-15
CN1333994A (zh) 2002-01-30
WO2000030404A1 (fr) 2000-05-25
ATE404028T1 (de) 2008-08-15
EP1133899A4 (fr) 2003-09-03
AU748113B2 (en) 2002-05-30
EP1133899A1 (fr) 2001-09-19
EP1133899B1 (fr) 2008-08-06
DE69939272D1 (de) 2008-09-18
DK1133899T3 (da) 2009-01-12
CA2348894A1 (fr) 2000-05-22
AU1624000A (en) 2000-06-05
JP2002530966A (ja) 2002-09-17

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