AU2759495A - Adaptive microphone arrangement and method for adapting to an incoming target-noise signal - Google Patents

Adaptive microphone arrangement and method for adapting to an incoming target-noise signal

Info

Publication number
AU2759495A
AU2759495A AU27594/95A AU2759495A AU2759495A AU 2759495 A AU2759495 A AU 2759495A AU 27594/95 A AU27594/95 A AU 27594/95A AU 2759495 A AU2759495 A AU 2759495A AU 2759495 A AU2759495 A AU 2759495A
Authority
AU
Australia
Prior art keywords
adapting
noise signal
microphone arrangement
incoming target
adaptive microphone
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
AU27594/95A
Inventor
Ingvar Claesson
Sven Nordebo
Sven Nordholm
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.)
Volvo AB
Original Assignee
Volvo AB
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 Volvo AB filed Critical Volvo AB
Publication of AU2759495A publication Critical patent/AU2759495A/en
Abandoned legal-status Critical Current

Links

Classifications

    • 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
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • G10K11/341—Circuits therefor
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Otolaryngology (AREA)
  • General Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Quality & Reliability (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Filters That Use Time-Delay Elements (AREA)
AU27594/95A 1994-06-14 1995-06-13 Adaptive microphone arrangement and method for adapting to an incoming target-noise signal Abandoned AU2759495A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402088A SE502888C2 (en) 1994-06-14 1994-06-14 Adaptive microphone device and method for adapting to an incoming target noise signal
SE9402088 1994-06-14
PCT/SE1995/000718 WO1995034983A1 (en) 1994-06-14 1995-06-13 Adaptive microphone arrangement and method for adapting to an incoming target-noise signal

Publications (1)

Publication Number Publication Date
AU2759495A true AU2759495A (en) 1996-01-05

Family

ID=20394386

Family Applications (1)

Application Number Title Priority Date Filing Date
AU27594/95A Abandoned AU2759495A (en) 1994-06-14 1995-06-13 Adaptive microphone arrangement and method for adapting to an incoming target-noise signal

Country Status (5)

Country Link
EP (1) EP0765562A1 (en)
JP (1) JPH10501668A (en)
AU (1) AU2759495A (en)
SE (1) SE502888C2 (en)
WO (1) WO1995034983A1 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5796819A (en) * 1996-07-24 1998-08-18 Ericsson Inc. Echo canceller for non-linear circuits
AUPO714197A0 (en) 1997-06-02 1997-06-26 University Of Melbourne, The Multi-strategy array processor
US6430295B1 (en) * 1997-07-11 2002-08-06 Telefonaktiebolaget Lm Ericsson (Publ) Methods and apparatus for measuring signal level and delay at multiple sensors
US6023514A (en) * 1997-12-22 2000-02-08 Strandberg; Malcolm W. P. System and method for factoring a merged wave field into independent components
DE19801389A1 (en) 1998-01-16 1999-07-22 Cit Alcatel Echo cancellation method with adaptive FIR filters
US6549627B1 (en) * 1998-01-30 2003-04-15 Telefonaktiebolaget Lm Ericsson Generating calibration signals for an adaptive beamformer
DE19812697A1 (en) * 1998-03-23 1999-09-30 Volkswagen Ag Method and device for operating a microphone arrangement, in particular in a motor vehicle
EP0974329A3 (en) * 1998-07-02 2001-09-12 Altura Leiden Holding B.V. Control apparatus for sanitary installations
US6594367B1 (en) * 1999-10-25 2003-07-15 Andrea Electronics Corporation Super directional beamforming design and implementation
EP1184676B1 (en) 2000-09-02 2004-05-06 Nokia Corporation System and method for processing a signal being emitted from a target signal source into a noisy environment
US7274794B1 (en) 2001-08-10 2007-09-25 Sonic Innovations, Inc. Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment
US20030161485A1 (en) * 2002-02-27 2003-08-28 Shure Incorporated Multiple beam automatic mixing microphone array processing via speech detection
AU2003250464A1 (en) * 2002-09-13 2004-04-30 Koninklijke Philips Electronics N.V. Calibrating a first and a second microphone
US8031881B2 (en) * 2007-09-18 2011-10-04 Starkey Laboratories, Inc. Method and apparatus for microphone matching for wearable directional hearing device using wearer's own voice
US8223988B2 (en) * 2008-01-29 2012-07-17 Qualcomm Incorporated Enhanced blind source separation algorithm for highly correlated mixtures
US10244333B2 (en) 2016-06-06 2019-03-26 Starkey Laboratories, Inc. Method and apparatus for improving speech intelligibility in hearing devices using remote microphone
CN106710603B (en) * 2016-12-23 2019-08-06 云知声（上海）智能科技有限公司 Utilize the audio recognition method and system of linear microphone array

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4956867A (en) * 1989-04-20 1990-09-11 Massachusetts Institute Of Technology Adaptive beamforming for noise reduction

Also Published As

Publication number Publication date
SE9402088L (en) 1995-12-15
SE502888C2 (en) 1996-02-12
JPH10501668A (en) 1998-02-10
EP0765562A1 (en) 1997-04-02
SE9402088D0 (en) 1994-06-14
WO1995034983A1 (en) 1995-12-21

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