DK3288285T3 - Fremgangsmåde og anordning til robust akustisk feedback-undertrykkelse - Google Patents

Fremgangsmåde og anordning til robust akustisk feedback-undertrykkelse Download PDF

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Publication number
DK3288285T3
DK3288285T3 DK17188032T DK17188032T DK3288285T3 DK 3288285 T3 DK3288285 T3 DK 3288285T3 DK 17188032 T DK17188032 T DK 17188032T DK 17188032 T DK17188032 T DK 17188032T DK 3288285 T3 DK3288285 T3 DK 3288285T3
Authority
DK
Denmark
Prior art keywords
acoustic feedback
robust acoustic
feedback repression
repression
robust
Prior art date
Application number
DK17188032T
Other languages
English (en)
Inventor
Carlos Renato Calcada Nakagawa
Karim Helwani
Ivo Merks
Original Assignee
Starkey Labs 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 Starkey Labs Inc filed Critical Starkey Labs Inc
Application granted granted Critical
Publication of DK3288285T3 publication Critical patent/DK3288285T3/da

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Classifications

    • 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
    • H04R3/02—Circuits for transducers for preventing acoustic reaction, i.e. acoustic oscillatory feedback
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • 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
    • G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/175—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound
    • G10K11/178—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general using interference effects; Masking sound by electro-acoustically regenerating the original acoustic waves in anti-phase
    • G10K11/1785—Methods, e.g. algorithms; Devices
    • G10K11/17853—Methods, e.g. algorithms; Devices of the filter
    • G10K11/17854—Methods, e.g. algorithms; Devices of the filter the filter being an adaptive filter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
    • 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
    • G10K2210/00—Details of active noise control [ANC] covered by G10K11/178 but not provided for in any of its subgroups
    • G10K2210/10—Applications
    • G10K2210/108—Communication systems, e.g. where useful sound is kept and noise is cancelled

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Signal Processing (AREA)
  • Neurosurgery (AREA)
  • Multimedia (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Circuit For Audible Band Transducer (AREA)
DK17188032T 2016-08-26 2017-08-25 Fremgangsmåde og anordning til robust akustisk feedback-undertrykkelse DK3288285T3 (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US201662380230P 2016-08-26 2016-08-26

Publications (1)

Publication Number Publication Date
DK3288285T3 true DK3288285T3 (da) 2019-11-18

Family

ID=59702649

Family Applications (1)

Application Number Title Priority Date Filing Date
DK17188032T DK3288285T3 (da) 2016-08-26 2017-08-25 Fremgangsmåde og anordning til robust akustisk feedback-undertrykkelse

Country Status (4)

Country Link
US (1) US11445306B2 (da)
EP (1) EP3288285B1 (da)
CN (1) CN107786925B (da)
DK (1) DK3288285T3 (da)

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US10885896B2 (en) 2018-05-18 2021-01-05 Bose Corporation Real-time detection of feedforward instability
US10741162B1 (en) * 2019-07-02 2020-08-11 Harman International Industries, Incorporated Stored secondary path accuracy verification for vehicle-based active noise control systems
EP4094254B1 (en) * 2020-01-21 2023-12-13 Dolby International AB Noise floor estimation and noise reduction
FR3115390A1 (fr) * 2020-10-15 2022-04-22 Orange Procédé et dispositif pour une annulation d’écho à pas variable
EP4047955A1 (en) * 2021-02-17 2022-08-24 Oticon A/s A hearing aid comprising a feedback control system
US11722819B2 (en) * 2021-09-21 2023-08-08 Meta Platforms Technologies, Llc Adaptive feedback cancelation and entrainment mitigation
KR102713521B1 (ko) * 2023-11-20 2024-10-07 주식회사 힐링사운드 인공 지능을 이용한 청각 보조 기기

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US6185300B1 (en) * 1996-12-31 2001-02-06 Ericsson Inc. Echo canceler for use in communications system
KR100233463B1 (ko) * 1997-03-07 1999-12-01 윤종용 반향제거장치 및 방법
US6498858B2 (en) * 1997-11-18 2002-12-24 Gn Resound A/S Feedback cancellation improvements
US7072465B1 (en) * 1999-01-06 2006-07-04 Agere Systems, Inc. Adaptive filter for network echo cancellation
DK1119218T3 (da) * 2000-01-21 2018-09-10 Oticon As Elektromagnetisk tilbagekoblingsreduktion i en kommunikationsanordning
US7187907B2 (en) * 2000-05-09 2007-03-06 Bernard Widrow Simultaneous two-way transmission of information signals in the same frequency band
US6377682B1 (en) 2000-06-26 2002-04-23 Lucent Technologies Inc. Robust adaptive filter for use in acoustic and network echo cancellation
US6996241B2 (en) 2001-06-22 2006-02-07 Trustees Of Dartmouth College Tuned feedforward LMS filter with feedback control
US7062040B2 (en) * 2002-09-20 2006-06-13 Agere Systems Inc. Suppression of echo signals and the like
US6947549B2 (en) 2003-02-19 2005-09-20 The Hong Kong Polytechnic University Echo canceller
EP1679874B1 (en) * 2005-01-11 2008-05-21 Harman Becker Automotive Systems GmbH Feedback reduction in communication systems
CA2643716C (en) * 2006-03-09 2013-09-24 Widex A/S Hearing aid with adaptive feedback suppression
CN101406072B (zh) * 2006-03-31 2012-01-11 唯听助听器公司 助听器和估算助听器动态增益限度的方法
DK2080408T3 (da) * 2006-10-23 2012-11-19 Starkey Lab Inc Undgåelse af medrivning med et auto-regressivt filter
US8345860B1 (en) 2008-05-09 2013-01-01 Hellosoft India PVT. Ltd Method and system for detection of onset of near-end signal in an echo cancellation system
EP2148526B1 (en) 2008-07-24 2020-08-19 Oticon A/S Spectral content modification for robust feedback channel estimation
JP4377952B1 (ja) * 2008-11-14 2009-12-02 有限会社ケプストラム 適応フィルタ及びこれを有するエコーキャンセラ
US8229147B2 (en) * 2009-03-12 2012-07-24 Strakey Laboratories, Inc. Hearing assistance devices with echo cancellation
US8442251B2 (en) * 2009-04-02 2013-05-14 Oticon A/S Adaptive feedback cancellation based on inserted and/or intrinsic characteristics and matched retrieval
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US8625775B2 (en) * 2009-08-06 2014-01-07 Hti Ip, L.L.C. Method and system for reducing echo and noise in a vehicle passenger compartment environment
US8917891B2 (en) * 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8942398B2 (en) * 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
CN103039093A (zh) * 2010-06-08 2013-04-10 Ip音乐集团有限公司 用于增大音频系统中的反馈检测速率的系统和方法
DK2736271T3 (da) * 2012-11-27 2019-09-16 Oticon As Fremgangsmåde til styring af en opdateringsalgoritme for et adaptivt feedbackestimeringssystem og en de-korrelationsenhed
US9148735B2 (en) * 2012-12-28 2015-09-29 Gn Resound A/S Hearing aid with improved localization
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Also Published As

Publication number Publication date
EP3288285A1 (en) 2018-02-28
CN107786925B (zh) 2021-06-11
US20180063651A1 (en) 2018-03-01
CN107786925A (zh) 2018-03-09
US11445306B2 (en) 2022-09-13
EP3288285B1 (en) 2019-10-30

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