DK1214866T3 - Akustisk underbåndsfeedbackhæmning i høreapparater - Google Patents

Akustisk underbåndsfeedbackhæmning i høreapparater

Info

Publication number
DK1214866T3
DK1214866T3 DK00959832T DK00959832T DK1214866T3 DK 1214866 T3 DK1214866 T3 DK 1214866T3 DK 00959832 T DK00959832 T DK 00959832T DK 00959832 T DK00959832 T DK 00959832T DK 1214866 T3 DK1214866 T3 DK 1214866T3
Authority
DK
Denmark
Prior art keywords
hearing aids
feedback inhibition
band feedback
acoustic sub
acoustic
Prior art date
Application number
DK00959832T
Other languages
English (en)
Inventor
Xiaoling Fang
Gerald Wilson
Brad Giles
Original Assignee
Sonic Innovations
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23579689&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK1214866(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Sonic Innovations filed Critical Sonic Innovations
Application granted granted Critical
Publication of DK1214866T3 publication Critical patent/DK1214866T3/da

Links

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
    • H04R25/45—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback
    • H04R25/453—Prevention of acoustic reaction, i.e. acoustic oscillatory feedback electronically
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/03—Synergistic effects of band splitting and sub-band processing
    • 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
DK00959832T 1999-09-21 2000-08-31 Akustisk underbåndsfeedbackhæmning i høreapparater DK1214866T3 (da)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/399,483 US6480610B1 (en) 1999-09-21 1999-09-21 Subband acoustic feedback cancellation in hearing aids
PCT/US2000/024230 WO2001022775A2 (en) 1999-09-20 2000-08-31 Subband acoustic feedback cancellation in hearing aids

Publications (1)

Publication Number Publication Date
DK1214866T3 true DK1214866T3 (da) 2003-12-08

Family

ID=23579689

Family Applications (1)

Application Number Title Priority Date Filing Date
DK00959832T DK1214866T3 (da) 1999-09-21 2000-08-31 Akustisk underbåndsfeedbackhæmning i høreapparater

Country Status (7)

Country Link
US (3) US6480610B1 (da)
EP (1) EP1214866B1 (da)
JP (1) JP2003529968A (da)
CN (1) CN1184855C (da)
DE (1) DE60004539T2 (da)
DK (1) DK1214866T3 (da)
WO (1) WO2001022775A2 (da)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6480610B1 (en) * 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids
FI114258B (fi) * 2000-06-09 2004-09-15 Nokia Corp Menetelmä häiriön vaikutuksen vähentämiseksi ja vastaanotin
EP1191813A1 (en) * 2000-09-25 2002-03-27 TOPHOLM & WESTERMANN APS A hearing aid with an adaptive filter for suppression of acoustic feedback
US6754356B1 (en) * 2000-10-06 2004-06-22 Gn Resound As Two-stage adaptive feedback cancellation scheme for hearing instruments
US6910013B2 (en) * 2001-01-05 2005-06-21 Phonak Ag Method for identifying a momentary acoustic scene, application of said method, and a hearing device
US7181034B2 (en) * 2001-04-18 2007-02-20 Gennum Corporation Inter-channel communication in a multi-channel digital hearing instrument
DE60120233D1 (de) * 2001-06-11 2006-07-06 Lear Automotive Eeds Spain Verfahren und system zum unterdrücken von echos und geräuschen in umgebungen unter variablen akustischen und stark rückgekoppelten bedingungen
JP4681163B2 (ja) * 2001-07-16 2011-05-11 パナソニック株式会社 ハウリング検出抑圧装置、これを備えた音響装置、及び、ハウリング検出抑圧方法
JP4378170B2 (ja) * 2001-08-01 2009-12-02 ファン，ターシェン 所望のゼロ点を有するカーディオイド・ビームに基づく音響装置、システム及び方法
DE10140523B4 (de) * 2001-08-17 2005-08-18 Dietmar Dr. Ruwisch Vorrichtung zum Feedback Cancelling bei der Ausgabe von Mikrofonsignalen durch Lautsprecher
CA2357200C (en) * 2001-09-07 2010-05-04 Dspfactory Ltd. Listening device
US6567030B1 (en) * 2002-02-27 2003-05-20 Lecroy Corporation Sample synthesis for matching digitizers in interleaved systems
DE10244184B3 (de) * 2002-09-23 2004-04-15 Siemens Audiologische Technik Gmbh Feedbackkompensation für Hörgeräte mit Systemabstandsschätzung
US20040151241A1 (en) * 2003-02-03 2004-08-05 Tsutomu Shimotoyodome Signal generator using IIR type digital filter and its output stopping method
CA2424093A1 (en) * 2003-03-31 2004-09-30 Dspfactory Ltd. Method and device for acoustic shock protection
US7809150B2 (en) * 2003-05-27 2010-10-05 Starkey Laboratories, Inc. Method and apparatus to reduce entrainment-related artifacts for hearing assistance systems
AU2004201374B2 (en) 2004-04-01 2010-12-23 Phonak Ag Audio amplification apparatus
US7756276B2 (en) 2003-08-20 2010-07-13 Phonak Ag Audio amplification apparatus
AU2003236382B2 (en) 2003-08-20 2011-02-24 Phonak Ag Feedback suppression in sound signal processing using frequency transposition
EP1665882B1 (en) * 2003-08-21 2008-06-04 Widex A/S Hearing aid with acoustic feedback suppression
CN1879393A (zh) * 2003-11-11 2006-12-13 马帝克公司 具有单个换能器的双向通信设备
US7826805B2 (en) 2003-11-11 2010-11-02 Matech, Inc. Automatic-switching wireless communication device
US7257271B2 (en) * 2003-12-17 2007-08-14 Eastman Kodak Company Noise reduction in color digital images using pyramid decomposition
US7483931B2 (en) * 2004-01-30 2009-01-27 Oki Electric Industry Co., Ltd. Signal generator using IIR type digital filter; and method of generating, supplying, and stopping its output signal
CN1939092B (zh) * 2004-02-20 2015-09-16 Gn瑞声达A/S 消除反馈的方法及助听器
JP2006042247A (ja) * 2004-07-30 2006-02-09 Matsushita Electric Ind Co Ltd 音響装置
US8315379B2 (en) * 2004-11-10 2012-11-20 Matech, Inc. Single transducer full duplex talking circuit
CA2590201C (en) * 2004-12-16 2011-04-26 Widex A/S Hearing aid with feedback model gain estimation
US7742914B2 (en) * 2005-03-07 2010-06-22 Daniel A. Kosek Audio spectral noise reduction method and apparatus
US20060206320A1 (en) * 2005-03-14 2006-09-14 Li Qi P Apparatus and method for noise reduction and speech enhancement with microphones and loudspeakers
JP4734127B2 (ja) * 2005-03-23 2011-07-27 三洋電機株式会社 エコー防止回路、デジタル信号処理回路、エコー防止回路のフィルタ係数設定方法、デジタル信号処理回路のフィルタ係数設定方法、エコー防止回路のフィルタ係数を設定するためのプログラム、デジタル信号処理回路のフィルタ係数を設定するためのプログラム
CN101496420B (zh) * 2005-06-08 2012-06-20 加利福尼亚大学董事会 利用信号处理算法改善语音清晰度和听力舒适度的方法、设备和系统
US20070025563A1 (en) * 2005-07-12 2007-02-01 Wayne State University Snapshot of noise and acoustic propagation
DE602005021259D1 (de) * 2005-10-11 2010-06-24 Widex As Hörgerät und verfahren zum verarbeiten von eingangssignalen in einem hörgerät
AU2005232314B2 (en) * 2005-11-11 2010-08-19 Phonak Ag Feedback compensation in a sound processing device
US7664281B2 (en) * 2006-03-04 2010-02-16 Starkey Laboratories, Inc. Method and apparatus for measurement of gain margin of a hearing assistance device
US8553899B2 (en) * 2006-03-13 2013-10-08 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US8116473B2 (en) * 2006-03-13 2012-02-14 Starkey Laboratories, Inc. Output phase modulation entrainment containment for digital filters
US7986790B2 (en) 2006-03-14 2011-07-26 Starkey Laboratories, Inc. System for evaluating hearing assistance device settings using detected sound environment
EP1841284A1 (en) * 2006-03-29 2007-10-03 Phonak AG Hearing instrument for storing encoded audio data, method of operating and manufacturing thereof
WO2007112777A1 (en) * 2006-03-31 2007-10-11 Widex A/S Hearing aid and method of estimating dynamic gain limitation in a hearing aid
JP2009532925A (ja) * 2006-04-01 2009-09-10 ヴェーデクス・アクティーセルスカプ 補聴器および補聴器内における信号処理制御方法
US8280088B2 (en) * 2006-05-19 2012-10-02 Siemens Audiologische Technik Gmbh Hearing apparatus with feedback detection and corresponding method
WO2008051571A1 (en) * 2006-10-23 2008-05-02 Starkey Laboratories, Inc. Filter entrainment avoidance with a frequency domain transform algorithm
WO2008051569A2 (en) * 2006-10-23 2008-05-02 Starkey Laboratories, Inc. Entrainment avoidance with pole stabilization
WO2008051570A1 (en) 2006-10-23 2008-05-02 Starkey Laboratories, Inc. Entrainment avoidance with an auto regressive filter
US8452034B2 (en) * 2006-10-23 2013-05-28 Starkey Laboratories, Inc. Entrainment avoidance with a gradient adaptive lattice filter
ATE435572T1 (de) * 2006-12-01 2009-07-15 Siemens Audiologische Technik Hörgerät mit störschallunterdrückung und entsprechendes verfahren
US8108211B2 (en) * 2007-03-29 2012-01-31 Sony Corporation Method of and apparatus for analyzing noise in a signal processing system
US8711249B2 (en) * 2007-03-29 2014-04-29 Sony Corporation Method of and apparatus for image denoising
DK3429232T3 (en) 2007-06-12 2023-03-06 Oticon As Online anti-tilbagekoblingssystem til et høreapparat
EP2018034B1 (en) * 2007-07-16 2011-11-02 Nuance Communications, Inc. Method and system for processing sound signals in a vehicle multimedia system
DK2023664T3 (da) * 2007-08-10 2013-06-03 Oticon As Aktiv støjudligning i høreapparater
US7881459B2 (en) * 2007-08-15 2011-02-01 Motorola, Inc. Acoustic echo canceller using multi-band nonlinear processing
US7809129B2 (en) * 2007-08-31 2010-10-05 Motorola, Inc. Acoustic echo cancellation based on noise environment
WO2009049320A1 (en) 2007-10-12 2009-04-16 Earlens Corporation Multifunction system and method for integrated hearing and communiction with noise cancellation and feedback management
EP2227915B1 (en) * 2007-12-07 2019-05-15 Cirrus Logic International Semiconductor Limited Entrainment resistant feedback cancellation
JP4469898B2 (ja) * 2008-02-15 2010-06-02 株式会社東芝 外耳道共鳴補正装置
US8340333B2 (en) * 2008-02-29 2012-12-25 Sonic Innovations, Inc. Hearing aid noise reduction method, system, and apparatus
US8571244B2 (en) 2008-03-25 2013-10-29 Starkey Laboratories, Inc. Apparatus and method for dynamic detection and attenuation of periodic acoustic feedback
US8094809B2 (en) * 2008-05-12 2012-01-10 Visteon Global Technologies, Inc. Frame-based level feedback calibration system for sample-based predictive clipping
US8831936B2 (en) * 2008-05-29 2014-09-09 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for speech signal processing using spectral contrast enhancement
KR101568452B1 (ko) 2008-06-17 2015-11-20 이어렌즈 코포레이션 개별 전원과 신호 구성요소들을 구비한 광 전자-기계적 청력 디바이스
US8538749B2 (en) 2008-07-18 2013-09-17 Qualcomm Incorporated Systems, methods, apparatus, and computer program products for enhanced intelligibility
DK2148525T3 (da) * 2008-07-24 2013-08-19 Oticon As Kodebogsbaseret estimering af tilbagekoblingsvej
US8600038B2 (en) * 2008-09-04 2013-12-03 Qualcomm Incorporated System and method for echo cancellation
CN102301747B (zh) 2008-09-22 2016-09-07 依耳乐恩斯公司 用于听觉的平衡电枢装置和方法
DE102009012745A1 (de) * 2009-03-12 2010-09-23 Siemens Medical Instruments Pte. Ltd. Verfahren zum Kompensieren eines Störschalls bei einer Hörvorrichtung, Hörvorrichtung und Verfahren zum Anpassen derselben
US9202456B2 (en) * 2009-04-23 2015-12-01 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for automatic control of active noise cancellation
US8600039B2 (en) * 2009-08-24 2013-12-03 Leanics Corporation System for low complexity adaptive ECHO and NEXT cancellers
US8355517B1 (en) 2009-09-30 2013-01-15 Intricon Corporation Hearing aid circuit with feedback transition adjustment
US9384757B2 (en) 2009-10-01 2016-07-05 Nec Corporation Signal processing method, signal processing apparatus, and signal processing program
US8600070B2 (en) * 2009-10-29 2013-12-03 Nikon Corporation Signal processing apparatus and imaging apparatus
US9838784B2 (en) 2009-12-02 2017-12-05 Knowles Electronics, Llc Directional audio capture
US9729976B2 (en) 2009-12-22 2017-08-08 Starkey Laboratories, Inc. Acoustic feedback event monitoring system for hearing assistance devices
DE102010009459B4 (de) 2010-02-26 2012-01-19 Siemens Medical Instruments Pte. Ltd. Hörvorrichtung mit parallel betriebenen Rückkopplungsreduktionsfiltern und Verfahren
JP5341128B2 (ja) * 2010-04-08 2013-11-13 ジーエヌ リザウンド エー／エス 補聴器における安定性の改善
US8942398B2 (en) 2010-04-13 2015-01-27 Starkey Laboratories, Inc. Methods and apparatus for early audio feedback cancellation for hearing assistance devices
US9654885B2 (en) 2010-04-13 2017-05-16 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8917891B2 (en) 2010-04-13 2014-12-23 Starkey Laboratories, Inc. Methods and apparatus for allocating feedback cancellation resources for hearing assistance devices
US8538035B2 (en) 2010-04-29 2013-09-17 Audience, Inc. Multi-microphone robust noise suppression
US8473287B2 (en) 2010-04-19 2013-06-25 Audience, Inc. Method for jointly optimizing noise reduction and voice quality in a mono or multi-microphone system
US8798290B1 (en) 2010-04-21 2014-08-05 Audience, Inc. Systems and methods for adaptive signal equalization
US8781137B1 (en) 2010-04-27 2014-07-15 Audience, Inc. Wind noise detection and suppression
US9245538B1 (en) * 2010-05-20 2016-01-26 Audience, Inc. Bandwidth enhancement of speech signals assisted by noise reduction
US9558755B1 (en) * 2010-05-20 2017-01-31 Knowles Electronics, Llc Noise suppression assisted automatic speech recognition
US9053697B2 (en) 2010-06-01 2015-06-09 Qualcomm Incorporated Systems, methods, devices, apparatus, and computer program products for audio equalization
US8447596B2 (en) 2010-07-12 2013-05-21 Audience, Inc. Monaural noise suppression based on computational auditory scene analysis
EP3758394A1 (en) 2010-12-20 2020-12-30 Earlens Corporation Anatomically customized ear canal hearing apparatus
EP2530840B1 (en) * 2011-05-30 2014-09-03 Harman Becker Automotive Systems GmbH Efficient sub-band adaptive FIR-filtering
US9640194B1 (en) 2012-10-04 2017-05-02 Knowles Electronics, Llc Noise suppression for speech processing based on machine-learning mask estimation
WO2014094242A1 (en) * 2012-12-18 2014-06-26 Motorola Solutions, Inc. Method and apparatus for mitigating feedback in a digital radio receiver
DK2874409T3 (da) * 2013-11-15 2018-12-10 Oticon As Høreanordning med adaptiv tilbagekoblingsvejsestimering
US10034103B2 (en) 2014-03-18 2018-07-24 Earlens Corporation High fidelity and reduced feedback contact hearing apparatus and methods
JP6351538B2 (ja) * 2014-05-01 2018-07-04 ジーエヌ ヒアリング エー／エスＧＮ Ｈｅａｒｉｎｇ Ａ／Ｓ ディジタル音響信号用の多帯域信号プロセッサ
US9613634B2 (en) * 2014-06-19 2017-04-04 Yang Gao Control of acoustic echo canceller adaptive filter for speech enhancement
DK3169396T3 (da) 2014-07-14 2021-06-28 Earlens Corp Glidende forspænding og peak-begrænsning for optiske høreapparater
DE112015003945T5 (de) 2014-08-28 2017-05-11 Knowles Electronics, Llc Mehrquellen-Rauschunterdrückung
DE112015004185T5 (de) 2014-09-12 2017-06-01 Knowles Electronics, Llc Systeme und Verfahren zur Wiederherstellung von Sprachkomponenten
US9924276B2 (en) 2014-11-26 2018-03-20 Earlens Corporation Adjustable venting for hearing instruments
DE112016000545B4 (de) 2015-01-30 2019-08-22 Knowles Electronics, Llc Kontextabhängiges schalten von mikrofonen
US9838804B2 (en) * 2015-02-27 2017-12-05 Cochlear Limited Methods, systems, and devices for adaptively filtering audio signals
EP3139636B1 (en) * 2015-09-07 2019-10-16 Oticon A/s A hearing device comprising a feedback cancellation system based on signal energy relocation
US20170095202A1 (en) 2015-10-02 2017-04-06 Earlens Corporation Drug delivery customized ear canal apparatus
WO2017116791A1 (en) 2015-12-30 2017-07-06 Earlens Corporation Light based hearing systems, apparatus and methods
US10492010B2 (en) 2015-12-30 2019-11-26 Earlens Corporations Damping in contact hearing systems
US11350226B2 (en) 2015-12-30 2022-05-31 Earlens Corporation Charging protocol for rechargeable hearing systems
CN109952771A (zh) 2016-09-09 2019-06-28 伊尔兰斯公司 接触式听力系统、设备和方法
CN106454642B (zh) * 2016-09-23 2019-01-08 佛山科学技术学院 自适应子带音频反馈抑制方法
WO2018093733A1 (en) 2016-11-15 2018-05-24 Earlens Corporation Improved impression procedure
US10542354B2 (en) * 2017-06-23 2020-01-21 Gn Hearing A/S Hearing device with suppression of comb filtering effect
CN109788398A (zh) 2017-11-10 2019-05-21 阿里巴巴集团控股有限公司 用于远场语音的拾音装置
US10779069B2 (en) * 2017-12-08 2020-09-15 Etymotic Research, Inc. System and method for reducing wind noise in an electronic hearing protector
WO2019173470A1 (en) 2018-03-07 2019-09-12 Earlens Corporation Contact hearing device and retention structure materials
WO2019199680A1 (en) * 2018-04-09 2019-10-17 Earlens Corporation Dynamic filter
US10244306B1 (en) * 2018-05-24 2019-03-26 Bose Corporation Real-time detection of feedback instability
CN108806710B (zh) * 2018-06-15 2020-07-24 会听声学科技（北京）有限公司 一种语音增强增益调整方法、系统及耳机
CN111866666B (zh) * 2020-07-28 2022-07-08 西安讯飞超脑信息科技有限公司 数字降噪滤波器生成方法、相关设备及可读存储介质
CN116325560A (zh) * 2020-08-27 2023-06-23 哈曼国际工业有限公司 便携式卡拉ok的低复杂性啸叫抑制
CN112866873B (zh) * 2020-12-30 2022-12-27 西安讯飞超脑信息科技有限公司 抑制啸叫的方法及相关模型的训练方法和设备、介质
US11503415B1 (en) 2021-04-23 2022-11-15 Eargo, Inc. Detection of feedback path change
CN113473342B (zh) * 2021-05-20 2022-04-12 中国科学院声学研究所 助听器的信号处理方法、装置、助听器及计算机存储介质

Family Cites Families (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL146670B (nl) 1967-06-09 1975-07-15 Philips Nv Inrichting met een transistorversterker.
US3685009A (en) 1970-06-19 1972-08-15 Sperry Rand Corp Lookout assist device
US3763333A (en) * 1972-07-24 1973-10-02 Ambitex Co Acoustic feedback stabilization system particularly suited for hearing aids
AT324460B (de) 1973-11-21 1975-09-10 Viennatome Hoergerate Produkti Hörgerateschaltung
JPS52125251A (en) 1976-02-23 1977-10-20 Bio Communication Res Electric filter and method of designing same
US4025721A (en) 1976-05-04 1977-05-24 Biocommunications Research Corporation Method of and means for adaptively filtering near-stationary noise from speech
US4185168A (en) 1976-05-04 1980-01-22 Causey G Donald Method and means for adaptively filtering near-stationary noise from an information bearing signal
US4135590A (en) 1976-07-26 1979-01-23 Gaulder Clifford F Noise suppressor system
US4122303A (en) 1976-12-10 1978-10-24 Sound Attenuators Limited Improvements in and relating to active sound attenuation
US4061875A (en) 1977-02-22 1977-12-06 Stephen Freifeld Audio processor for use in high noise environments
US4187472A (en) 1978-01-30 1980-02-05 Beltone Electronics Corporation Amplifier employing matched transistors to provide linear current feedback
US4249128A (en) 1978-02-06 1981-02-03 White's Electronics, Inc. Wide pulse gated metal detector with improved noise rejection
JPS54111208A (en) 1978-02-21 1979-08-31 Clarion Co Ltd Noise elimination circuit
US4238746A (en) 1978-03-20 1980-12-09 The United States Of America As Represented By The Secretary Of The Navy Adaptive line enhancer
US4243935A (en) 1979-05-18 1981-01-06 The United States Of America As Represented By The Secretary Of The Navy Adaptive detector
DE2931482A1 (de) 1979-08-03 1981-02-19 Bosch Gmbh Robert Abstimmbares aktives hochpassfilter fuer hoergeraete
US4355368A (en) 1980-10-06 1982-10-19 The United States Of America As Represented By The Secretary Of The Navy Adaptive correlator
US4368459A (en) 1980-12-16 1983-01-11 Robert Sapora Educational apparatus and method for control of deaf individuals in a mixed teaching environment
SE428167B (sv) 1981-04-16 1983-06-06 Mangold Stephan Programmerbar signalbehandlingsanordning, huvudsakligen avsedd for personer med nedsatt horsel
WO1982004479A1 (en) 1981-06-12 1982-12-23 Chaplin George Brian Barrie Method and apparatus for reducing repetitive noise entering the ear
US4494074A (en) * 1982-04-28 1985-01-15 Bose Corporation Feedback control
US4602337A (en) 1983-02-24 1986-07-22 Cox James R Analog signal translating system with automatic frequency selective signal gain adjustment
GB8317086D0 (en) 1983-06-23 1983-07-27 Swinbanks M A Attenuation of sound waves
US4548082A (en) 1984-08-28 1985-10-22 Central Institute For The Deaf Hearing aids, signal supplying apparatus, systems for compensating hearing deficiencies, and methods
US4589137A (en) 1985-01-03 1986-05-13 The United States Of America As Represented By The Secretary Of The Navy Electronic noise-reducing system
US4630305A (en) 1985-07-01 1986-12-16 Motorola, Inc. Automatic gain selector for a noise suppression system
US4628529A (en) 1985-07-01 1986-12-09 Motorola, Inc. Noise suppression system
US4658426A (en) 1985-10-10 1987-04-14 Harold Antin Adaptive noise suppressor
US4783818A (en) 1985-10-17 1988-11-08 Intellitech Inc. Method of and means for adaptively filtering screeching noise caused by acoustic feedback
JPS62135020A (ja) 1985-12-06 1987-06-18 Nec Corp 雑音消去装置
US4718099A (en) 1986-01-29 1988-01-05 Telex Communications, Inc. Automatic gain control for hearing aid
US4939685A (en) 1986-06-05 1990-07-03 Hughes Aircraft Company Normalized frequency domain LMS adaptive filter
US4759071A (en) 1986-08-14 1988-07-19 Richards Medical Company Automatic noise eliminator for hearing aids
US5165017A (en) 1986-12-11 1992-11-17 Smith & Nephew Richards, Inc. Automatic gain control circuit in a feed forward configuration
US4845757A (en) * 1987-02-17 1989-07-04 Siemens Aktiengesellschaft Circuit for recognizing oscillations in a useful signal due to feedback between acoustic input and output transducers
US4802227A (en) 1987-04-03 1989-01-31 American Telephone And Telegraph Company Noise reduction processing arrangement for microphone arrays
GB8717043D0 (en) 1987-07-20 1987-08-26 Plessey Co Plc Noise reduction systems
US4912767A (en) 1988-03-14 1990-03-27 International Business Machines Corporation Distributed noise cancellation system
US5111419A (en) 1988-03-23 1992-05-05 Central Institute For The Deaf Electronic filters, signal conversion apparatus, hearing aids and methods
US5357251A (en) 1988-03-23 1994-10-18 Central Institute For The Deaf Electronic filters, signal conversion apparatus, hearing aids and methods
US5016280A (en) 1988-03-23 1991-05-14 Central Institute For The Deaf Electronic filters, hearing aids and methods
US5225836A (en) 1988-03-23 1993-07-06 Central Institute For The Deaf Electronic filters, repeated signal charge conversion apparatus, hearing aids and methods
US4985925A (en) 1988-06-24 1991-01-15 Sensor Electronics, Inc. Active noise reduction system
US4959867A (en) * 1988-08-11 1990-09-25 Nicolet Instrument Corporation Audiometer attenuation method and apparatus
US4878188A (en) 1988-08-30 1989-10-31 Noise Cancellation Tech Selective active cancellation system for repetitive phenomena
US5091952A (en) 1988-11-10 1992-02-25 Wisconsin Alumni Research Foundation Feedback suppression in digital signal processing hearing aids
US4956867A (en) 1989-04-20 1990-09-11 Massachusetts Institute Of Technology Adaptive beamforming for noise reduction
US5027306A (en) 1989-05-12 1991-06-25 Dattorro Jon C Decimation filter as for a sigma-delta analog-to-digital converter
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US5097510A (en) 1989-11-07 1992-03-17 Gs Systems, Inc. Artificial intelligence pattern-recognition-based noise reduction system for speech processing
US5105377A (en) 1990-02-09 1992-04-14 Noise Cancellation Technologies, Inc. Digital virtual earth active cancellation system
JPH06503897A (ja) 1990-09-14 1994-04-28 トッドター、クリス ノイズ消去システム
US5305307A (en) * 1991-01-04 1994-04-19 Picturetel Corporation Adaptive acoustic echo canceller having means for reducing or eliminating echo in a plurality of signal bandwidths
US5263019A (en) * 1991-01-04 1993-11-16 Picturetel Corporation Method and apparatus for estimating the level of acoustic feedback between a loudspeaker and microphone
US5177755A (en) 1991-05-31 1993-01-05 Amoco Corporation Laser feedback control circuit and method
US5233665A (en) * 1991-12-17 1993-08-03 Gary L. Vaughn Phonetic equalizer system
US5412735A (en) 1992-02-27 1995-05-02 Central Institute For The Deaf Adaptive noise reduction circuit for a sound reproduction system
US5680467A (en) * 1992-03-31 1997-10-21 Gn Danavox A/S Hearing aid compensating for acoustic feedback
DK170600B1 (da) 1992-03-31 1995-11-06 Gn Danavox As Høreapparat med kompensation for akustisk tilbagekobling
US5291525A (en) 1992-04-06 1994-03-01 Motorola, Inc. Symmetrically balanced phase and amplitude base band processor for a quadrature receiver
US5251263A (en) 1992-05-22 1993-10-05 Andrea Electronics Corporation Adaptive noise cancellation and speech enhancement system and apparatus therefor
US5402496A (en) * 1992-07-13 1995-03-28 Minnesota Mining And Manufacturing Company Auditory prosthesis, noise suppression apparatus and feedback suppression apparatus having focused adaptive filtering
US5355418A (en) 1992-10-07 1994-10-11 Westinghouse Electric Corporation Frequency selective sound blocking system for hearing protection
DK169958B1 (da) 1992-10-20 1995-04-10 Gn Danavox As Høreapparat med kompensation for akustisk tilbagekobling
GB2274757A (en) 1993-01-28 1994-08-03 Secr Defence Ear defenders employing active noise control
US5396560A (en) 1993-03-31 1995-03-07 Trw Inc. Hearing aid incorporating a novelty filter
US5452361A (en) 1993-06-22 1995-09-19 Noise Cancellation Technologies, Inc. Reduced VLF overload susceptibility active noise cancellation headset
EP0705472B1 (en) 1993-06-23 2000-05-10 Noise Cancellation Technologies, Inc. Variable gain active noise cancellation system with improved residual noise sensing
US5539831A (en) 1993-08-16 1996-07-23 The University Of Mississippi Active noise control stethoscope
US5651071A (en) 1993-09-17 1997-07-22 Audiologic, Inc. Noise reduction system for binaural hearing aid
JP3235925B2 (ja) * 1993-11-19 2001-12-04 松下電器産業株式会社 ハウリング抑制装置
US5689572A (en) * 1993-12-08 1997-11-18 Hitachi, Ltd. Method of actively controlling noise, and apparatus thereof
US5511128A (en) 1994-01-21 1996-04-23 Lindemann; Eric Dynamic intensity beamforming system for noise reduction in a binaural hearing aid
EP0676909A1 (de) 1994-03-31 1995-10-11 Siemens Audiologische Technik GmbH Programmierbares Hörgerät
US5473684A (en) 1994-04-21 1995-12-05 At&T Corp. Noise-canceling differential microphone assembly
US5500902A (en) 1994-07-08 1996-03-19 Stockham, Jr.; Thomas G. Hearing aid device incorporating signal processing techniques
US6072885A (en) 1994-07-08 2000-06-06 Sonic Innovations, Inc. Hearing aid device incorporating signal processing techniques
US5544250A (en) 1994-07-18 1996-08-06 Motorola Noise suppression system and method therefor
WO1996011466A1 (en) * 1994-10-06 1996-04-18 Duke University Feedback acoustic energy dissipating device with compensator
US5867581A (en) 1994-10-14 1999-02-02 Matsushita Electric Industrial Co., Ltd. Hearing aid
WO1996035314A1 (en) 1995-05-02 1996-11-07 Tøpholm & Westermann APS Process for controlling a programmable or program-controlled hearing aid for its in-situ fitting adjustment
US6434246B1 (en) * 1995-10-10 2002-08-13 Gn Resound As Apparatus and methods for combining audio compression and feedback cancellation in a hearing aid
US6072884A (en) * 1997-11-18 2000-06-06 Audiologic Hearing Systems Lp Feedback cancellation apparatus and methods
US5825898A (en) 1996-06-27 1998-10-20 Lamar Signal Processing Ltd. System and method for adaptive interference cancelling
US5794187A (en) 1996-07-16 1998-08-11 Audiological Engineering Corporation Method and apparatus for improving effective signal to noise ratios in hearing aids and other communication systems used in noisy environments without loss of spectral information
CA2212131A1 (en) 1996-08-07 1998-02-07 Beltone Electronics Corporation Digital hearing aid system
JP3165044B2 (ja) 1996-10-21 2001-05-14 日本電気株式会社 ディジタル補聴器
JP2904272B2 (ja) 1996-12-10 1999-06-14 日本電気株式会社 ディジタル補聴器、及びその補聴処理方法
DE19652794B4 (de) * 1996-12-18 2004-04-01 Siemens Audiologische Technik Gmbh Programmierbares Hörhilfegerät
US6044162A (en) 1996-12-20 2000-03-28 Sonic Innovations, Inc. Digital hearing aid using differential signal representations
US6445799B1 (en) 1997-04-03 2002-09-03 Gn Resound North America Corporation Noise cancellation earpiece
CN1260087A (zh) 1997-04-14 2000-07-12 拉马信号处理有限公司 双重处理干扰消除系统和方法
WO1998047314A2 (en) 1997-04-16 1998-10-22 Dspfactory Ltd. Apparatus for and method of programming a digital hearing aid
US6035048A (en) 1997-06-18 2000-03-07 Lucent Technologies Inc. Method and apparatus for reducing noise in speech and audio signals
US6278786B1 (en) 1997-07-29 2001-08-21 Telex Communications, Inc. Active noise cancellation aircraft headset system
US6219427B1 (en) * 1997-11-18 2001-04-17 Gn Resound As Feedback cancellation improvements
EP0930801B1 (de) 1998-01-14 2008-11-05 Bernafon AG Schaltung und Verfahren zur adaptiven Unterdrückung einer akustischen Rückkopplung
US6396930B1 (en) 1998-02-20 2002-05-28 Michael Allen Vaudrey Active noise reduction for audiometry
AU2797599A (en) 1998-03-02 1999-09-20 Mwm Acoustics, Llc Directional microphone system
US6173063B1 (en) 1998-10-06 2001-01-09 Gn Resound As Output regulator for feedback reduction in hearing aids
US6163287A (en) 1999-04-05 2000-12-19 Sonic Innovations, Inc. Hybrid low-pass sigma-delta modulator
US6480610B1 (en) * 1999-09-21 2002-11-12 Sonic Innovations, Inc. Subband acoustic feedback cancellation in hearing aids

Also Published As

Publication number Publication date
US6480610B1 (en) 2002-11-12
US7020297B2 (en) 2006-03-28
JP2003529968A (ja) 2003-10-07
EP1214866A2 (en) 2002-06-19
CN1184855C (zh) 2005-01-12
DE60004539D1 (de) 2003-09-18
WO2001022775A3 (en) 2001-12-06
WO2001022775A2 (en) 2001-03-29
DE60004539T2 (de) 2004-09-02
CN1375178A (zh) 2002-10-16
EP1214866B1 (en) 2003-08-13
US20030026442A1 (en) 2003-02-06
US20040125973A1 (en) 2004-07-01

Similar Documents

Publication Publication Date Title
DK1214866T3 (da) Akustisk underbåndsfeedbackhæmning i høreapparater
DK1169886T4 (da) Mikrofon til et høreapparat
DE69833987D1 (de) Halbüberwachte Sprecheradaptation
DE60136156D1 (de) Lautsprecher
DE60009336D1 (de) Lautsprechergerät
FR2790903B1 (fr) Haut-parleur
DE60134109D1 (de) Lautsprechergerät
DE60128766D1 (de) Elektroakustischer Wandler
DE60040763D1 (de) Elektromechanischer akustischer Wandler
DE60117346D1 (de) Elektroakustischer Wandler
DE69939096D1 (de) Piezoelektrischer Lautsprecher
DE60138503D1 (de) Lautsprecher
FI20001327A0 (fi) Mikrofonirakenne
DE60124485D1 (de) Vorwärtskopplungsverstärker
AU2002227087A1 (en) Acoustic loudspeaker
DE60016144D1 (de) Hörhilfegerät
DE60132357D1 (de) Lautsprecher
DK1317163T3 (da) Høreapparat
DE60125084D1 (de) Lautsprecher
DE59906279D1 (de) Hörgerät
DE60038712D1 (de) Lautsprecher
DE60138583D1 (de) Lautsprecher
ATE489814T1 (de) Klein-mikrophon
DE50015724D1 (de) Hörgerät
DK1254587T3 (da) Høreapparat