DE69933627D1 - Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines Mikrofons - Google Patents
Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines MikrofonsInfo
- Publication number
- DE69933627D1 DE69933627D1 DE69933627T DE69933627T DE69933627D1 DE 69933627 D1 DE69933627 D1 DE 69933627D1 DE 69933627 T DE69933627 T DE 69933627T DE 69933627 T DE69933627 T DE 69933627T DE 69933627 D1 DE69933627 D1 DE 69933627D1
- Authority
- DE
- Germany
- Prior art keywords
- microphone
- adjusting
- phase
- amplitude response
- amplitude
- 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
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
- H04R25/40—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
- H04R29/00—Monitoring arrangements; Testing arrangements
- H04R29/004—Monitoring arrangements; Testing arrangements for microphones
- H04R29/005—Microphone arrays
- H04R29/006—Microphone matching
-
- 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
-
- 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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Neurosurgery (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US9792698P | 1998-08-25 | 1998-08-25 | |
US97926P | 1998-08-25 | ||
US09/193,012 US6654468B1 (en) | 1998-08-25 | 1998-11-16 | Apparatus and method for matching the response of microphones in magnitude and phase |
US193012 | 1998-11-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69933627D1 true DE69933627D1 (de) | 2006-11-30 |
DE69933627T2 DE69933627T2 (de) | 2007-08-23 |
Family
ID=26793792
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69933627T Expired - Lifetime DE69933627T2 (de) | 1998-08-25 | 1999-08-20 | Vorrichtung und Verfahren zur Anpassung des Phasen- und Amplitudenfrequenzgangs eines Mikrofons |
Country Status (4)
Country | Link |
---|---|
US (2) | US6654468B1 (de) |
EP (1) | EP0982971B1 (de) |
DE (1) | DE69933627T2 (de) |
DK (1) | DK0982971T3 (de) |
Families Citing this family (56)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6278377B1 (en) | 1999-08-25 | 2001-08-21 | Donnelly Corporation | Indicator for vehicle accessory |
US6654468B1 (en) * | 1998-08-25 | 2003-11-25 | Knowles Electronics, Llc | Apparatus and method for matching the response of microphones in magnitude and phase |
AU4284600A (en) * | 1999-03-19 | 2000-10-09 | Siemens Aktiengesellschaft | Method and device for receiving and treating audiosignals in surroundings affected by noise |
EP1081985A3 (de) * | 1999-09-01 | 2006-03-22 | Northrop Grumman Corporation | Mikrofonanordnungsverarbeitungssystem für geräuschvolle Mehrwegumgebunge |
US7447320B2 (en) * | 2001-02-14 | 2008-11-04 | Gentex Corporation | Vehicle accessory microphone |
US8682005B2 (en) | 1999-11-19 | 2014-03-25 | Gentex Corporation | Vehicle accessory microphone |
US20010028718A1 (en) | 2000-02-17 | 2001-10-11 | Audia Technology, Inc. | Null adaptation in multi-microphone directional system |
AU4574001A (en) * | 2000-03-14 | 2001-09-24 | Audia Technology Inc | Adaptive microphone matching in multi-microphone directional system |
US7116792B1 (en) * | 2000-07-05 | 2006-10-03 | Gn Resound North America Corporation | Directional microphone system |
US7471798B2 (en) * | 2000-09-29 | 2008-12-30 | Knowles Electronics, Llc | Microphone array having a second order directional pattern |
EP1356706A2 (de) * | 2000-09-29 | 2003-10-29 | Knowles Electronics, LLC | Mikrofonsanordnung von zweiter ordnung |
US6741714B2 (en) | 2000-10-04 | 2004-05-25 | Widex A/S | Hearing aid with adaptive matching of input transducers |
AU2002250080A1 (en) * | 2001-02-14 | 2002-08-28 | Gentex Corporation | Vehicle accessory microphone |
AU2001258132A1 (en) | 2001-05-23 | 2001-08-20 | Phonak Ag | Method of generating an electrical output signal and acoustical/electrical conversion system |
US7409068B2 (en) * | 2002-03-08 | 2008-08-05 | Sound Design Technologies, Ltd. | Low-noise directional microphone system |
DE10310579B4 (de) * | 2003-03-11 | 2005-06-16 | Siemens Audiologische Technik Gmbh | Automatischer Mikrofonabgleich bei einem Richtmikrofonsystem mit wenigstens drei Mikrofonen |
DE10310580A1 (de) | 2003-03-11 | 2004-10-07 | Siemens Audiologische Technik Gmbh | Vorrichtung und Verfahren zur Adaption von Hörgerätemikrofonen |
EP1629687A1 (de) | 2003-05-15 | 2006-03-01 | Oticon A/S | Mikrofon mit regelbaren eigenschaften |
DE10327890A1 (de) | 2003-06-20 | 2005-01-20 | Siemens Audiologische Technik Gmbh | Verfahren zum Betrieb eines Hörhilfegerätes sowie Hörhilfegerät mit einem Mikrofonsystem, bei dem unterschiedliche Richtcharakteristiken einstellbar sind |
US7424119B2 (en) * | 2003-08-29 | 2008-09-09 | Audio-Technica, U.S., Inc. | Voice matching system for audio transducers |
DE102004010867B3 (de) | 2004-03-05 | 2005-08-18 | Siemens Audiologische Technik Gmbh | Verfahren und Vorrichtung zum Anpassen der Phasen von Mikrofonen eines Hörgeräterichtmikrofons |
US7688985B2 (en) * | 2004-04-30 | 2010-03-30 | Phonak Ag | Automatic microphone matching |
DK200401280A (da) * | 2004-08-24 | 2006-02-25 | Oticon As | Lavfrekvens fase matchning til mikrofoner |
DK1806030T3 (da) * | 2004-10-19 | 2014-11-03 | Widex As | System og fremgangsmåde til adaptiv mikrofontilpasning i et høreapparat |
DK1773098T3 (da) * | 2005-10-06 | 2013-03-18 | Oticon As | System og fremgangsmåde til tilpasning af mikrofoner |
KR100959050B1 (ko) * | 2006-03-01 | 2010-05-20 | 소프트맥스 인코퍼레이티드 | 분리된 신호를 생성하는 시스템 및 방법 |
US20080152167A1 (en) * | 2006-12-22 | 2008-06-26 | Step Communications Corporation | Near-field vector signal enhancement |
US8160273B2 (en) * | 2007-02-26 | 2012-04-17 | Erik Visser | Systems, methods, and apparatus for signal separation using data driven techniques |
EP2115743A1 (de) * | 2007-02-26 | 2009-11-11 | QUALCOMM Incorporated | Systeme, verfahren und vorrichtung zur signaltrennung |
JP2008278476A (ja) * | 2007-04-05 | 2008-11-13 | Yamaha Corp | コンデンサマイク装置のsn比改善方法およびコンデンサマイク装置並びにコンデンサマイク装置搭載機器 |
JP5130895B2 (ja) * | 2007-12-13 | 2013-01-30 | ソニー株式会社 | 音声処理装置、音声処理システム、音声処理プログラム及び音声処理方法 |
US8175291B2 (en) * | 2007-12-19 | 2012-05-08 | Qualcomm Incorporated | Systems, methods, and apparatus for multi-microphone based speech enhancement |
US8275151B2 (en) * | 2007-12-19 | 2012-09-25 | Agere Systems Inc. | Speakerphone using adaptive phase rotation |
US8321214B2 (en) * | 2008-06-02 | 2012-11-27 | Qualcomm Incorporated | Systems, methods, and apparatus for multichannel signal amplitude balancing |
WO2010025351A2 (en) * | 2008-08-29 | 2010-03-04 | The Peen State Research Foundation | Methods and apparatus for reduced distortion balanced armature devices |
US8724829B2 (en) * | 2008-10-24 | 2014-05-13 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for coherence detection |
US8229126B2 (en) * | 2009-03-13 | 2012-07-24 | Harris Corporation | Noise error amplitude reduction |
US8620672B2 (en) * | 2009-06-09 | 2013-12-31 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for phase-based processing of multichannel signal |
US8731210B2 (en) * | 2009-09-21 | 2014-05-20 | Mediatek Inc. | Audio processing methods and apparatuses utilizing the same |
WO2011044395A1 (en) * | 2009-10-09 | 2011-04-14 | National Acquisition Sub, Inc. | An input signal mismatch compensation system |
US9648421B2 (en) | 2011-12-14 | 2017-05-09 | Harris Corporation | Systems and methods for matching gain levels of transducers |
FR3018418B1 (fr) * | 2014-03-04 | 2017-11-10 | Univ Maine | Dispositif et procede de filtrage du pic de resonance dans un circuit d'alimentation d'au moins un haut-parleur |
FR3018419B1 (fr) * | 2014-03-05 | 2017-06-23 | Univ Maine | Dispositif et procede de filtrage du pic de resonance dans un circuit d'alimentation d'au moins un haut-parleur en amont de celui-ci |
WO2017011461A1 (en) | 2015-07-15 | 2017-01-19 | Knowles Electronics, Llc | Hybrid transducer |
US9843292B2 (en) | 2015-10-14 | 2017-12-12 | Knowles Electronics, Llc | Method and apparatus for maintaining DC bias |
WO2017083679A1 (en) | 2015-11-12 | 2017-05-18 | Knowles Electronics, Llc | Method and apparatus to increase audio band microphone sensitivity |
US10244333B2 (en) * | 2016-06-06 | 2019-03-26 | Starkey Laboratories, Inc. | Method and apparatus for improving speech intelligibility in hearing devices using remote microphone |
US10477308B2 (en) | 2016-12-30 | 2019-11-12 | Sonion Nederland B.V. | Circuit and a receiver comprising the circuit |
CN109218920B (zh) * | 2017-06-30 | 2020-09-18 | 华为技术有限公司 | 一种信号处理方法、装置及终端 |
JP2020036214A (ja) | 2018-08-30 | 2020-03-05 | Tdk株式会社 | Memsマイクロフォン |
JP2020036215A (ja) | 2018-08-30 | 2020-03-05 | Tdk株式会社 | Memsマイクロフォン |
US11062687B2 (en) * | 2019-01-04 | 2021-07-13 | Bose Corporation | Compensation for microphone roll-off variation in acoustic devices |
US11303994B2 (en) * | 2019-07-14 | 2022-04-12 | Peiker Acustic Gmbh | Reduction of sensitivity to non-acoustic stimuli in a microphone array |
WO2021021429A1 (en) * | 2019-07-31 | 2021-02-04 | Starkey Laboratories, Inc. | Ear-worn electronic device incorporating microphone fault reduction system and method |
CN213694096U (zh) | 2019-12-27 | 2021-07-13 | 楼氏电子(苏州)有限公司 | 听力装置 |
DE102020200553B3 (de) * | 2020-01-17 | 2021-05-12 | Sivantos Pte. Ltd. | Verfahren zur Abstimmung der jeweiligen Phasengänge eines ersten Mikrofones und eines zweiten Mikrofons |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4412097A (en) * | 1980-01-28 | 1983-10-25 | Victor Company Of Japan, Ltd. | Variable-directivity microphone device |
JPS5715597A (en) | 1980-07-02 | 1982-01-26 | Nippon Gakki Seizo Kk | Microphone device |
FR2522451B1 (fr) | 1982-03-01 | 1988-10-14 | Audibel | Perfectionnement au circuit de controle automatique de gain d'un systeme d'amplification a transistors et appareil de correction auditive equipe d'un tel circuit |
JPS5964994A (ja) | 1982-10-05 | 1984-04-13 | Matsushita Electric Ind Co Ltd | マイクロホン装置 |
US4622440A (en) | 1984-04-11 | 1986-11-11 | In Tech Systems Corp. | Differential hearing aid with programmable frequency response |
US4718099A (en) * | 1986-01-29 | 1988-01-05 | Telex Communications, Inc. | Automatic gain control for hearing aid |
EP0509742B1 (de) | 1991-04-18 | 1997-08-27 | Matsushita Electric Industrial Co., Ltd. | Mikrofon-Apparat |
US5757933A (en) * | 1996-12-11 | 1998-05-26 | Micro Ear Technology, Inc. | In-the-ear hearing aid with directional microphone system |
KR100198289B1 (ko) * | 1996-12-27 | 1999-06-15 | 구자홍 | 마이크 시스템의 지향성 제어장치와 제어방법 |
US6035049A (en) * | 1997-09-05 | 2000-03-07 | Information Storage Devices, Inc. | AC coupling and signal amplification using switched capacitors |
US6654468B1 (en) * | 1998-08-25 | 2003-11-25 | Knowles Electronics, Llc | Apparatus and method for matching the response of microphones in magnitude and phase |
DE19918883C1 (de) * | 1999-04-26 | 2000-11-30 | Siemens Audiologische Technik | Hörhilfegerät mit Richtmikrofoncharakteristik |
-
1998
- 1998-11-16 US US09/193,012 patent/US6654468B1/en not_active Expired - Lifetime
-
1999
- 1999-08-20 DE DE69933627T patent/DE69933627T2/de not_active Expired - Lifetime
- 1999-08-20 EP EP99306623A patent/EP0982971B1/de not_active Expired - Lifetime
- 1999-08-20 DK DK99306623T patent/DK0982971T3/da active
-
2003
- 2003-04-29 US US10/425,143 patent/US7113604B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US6654468B1 (en) | 2003-11-25 |
US20030198356A1 (en) | 2003-10-23 |
EP0982971B1 (de) | 2006-10-18 |
DE69933627T2 (de) | 2007-08-23 |
US7113604B2 (en) | 2006-09-26 |
DK0982971T3 (da) | 2007-01-08 |
EP0982971A3 (de) | 2001-04-18 |
EP0982971A2 (de) | 2000-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |