ATE417483T1 - Schaltung und verfahren zur adaptiven geräuschunterdrückung - Google Patents
Schaltung und verfahren zur adaptiven geräuschunterdrückungInfo
- Publication number
- ATE417483T1 ATE417483T1 AT01810057T AT01810057T ATE417483T1 AT E417483 T1 ATE417483 T1 AT E417483T1 AT 01810057 T AT01810057 T AT 01810057T AT 01810057 T AT01810057 T AT 01810057T AT E417483 T1 ATE417483 T1 AT E417483T1
- Authority
- AT
- Austria
- Prior art keywords
- sub
- filters
- signals
- filter coefficients
- microphones
- Prior art date
Links
- 230000003044 adaptive effect Effects 0.000 title abstract 4
- 238000000034 method Methods 0.000 title abstract 4
- 230000001629 suppression Effects 0.000 abstract 2
- 230000001419 dependent effect Effects 0.000 abstract 1
- 230000000979 retarding effect Effects 0.000 abstract 1
- 230000003595 spectral effect Effects 0.000 abstract 1
- 230000009466 transformation Effects 0.000 abstract 1
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
- H04R25/50—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)
- Filters That Use Time-Delay Elements (AREA)
- Circuit For Audible Band Transducer (AREA)
- Noise Elimination (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH2042000 | 2000-02-02 |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE417483T1 true ATE417483T1 (de) | 2008-12-15 |
Family
ID=4444028
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT01810057T ATE417483T1 (de) | 2000-02-02 | 2001-01-22 | Schaltung und verfahren zur adaptiven geräuschunterdrückung |
Country Status (7)
Country | Link |
---|---|
US (1) | US6928171B2 (de) |
EP (1) | EP1154674B1 (de) |
AT (1) | ATE417483T1 (de) |
AU (1) | AU778351B2 (de) |
CA (1) | CA2332092C (de) |
DE (1) | DE50114557D1 (de) |
DK (1) | DK1154674T3 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6978159B2 (en) * | 1996-06-19 | 2005-12-20 | Board Of Trustees Of The University Of Illinois | Binaural signal processing using multiple acoustic sensors and digital filtering |
CA2407855C (en) * | 2000-05-10 | 2010-02-02 | The Board Of Trustees Of The University Of Illinois | Interference suppression techniques |
US6907017B2 (en) * | 2000-05-22 | 2005-06-14 | The Regents Of The University Of California | Mobility management in wireless internet protocol networks |
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 |
US7209566B2 (en) * | 2001-09-25 | 2007-04-24 | Intel Corporation | Method and apparatus for determining a nonlinear response function for a loudspeaker |
US7542580B2 (en) * | 2005-02-25 | 2009-06-02 | Starkey Laboratories, Inc. | Microphone placement in hearing assistance devices to provide controlled directivity |
US20060211910A1 (en) * | 2005-03-18 | 2006-09-21 | Patrik Westerkull | Microphone system for bone anchored bone conduction hearing aids |
CN100336307C (zh) * | 2005-04-28 | 2007-09-05 | 北京航空航天大学 | 接收机射频系统电路内部噪声的分配方法 |
DE102006003977A1 (de) * | 2006-01-27 | 2007-08-09 | Krauss-Maffei Wegmann Gmbh & Co. Kg | Verfahren und Vorrichtung zur Übersteuerung bei einem Fahrzeug im Fahrschulbetrieb |
US20110058676A1 (en) * | 2009-09-07 | 2011-03-10 | Qualcomm Incorporated | Systems, methods, apparatus, and computer-readable media for dereverberation of multichannel signal |
JP6250147B2 (ja) * | 2013-06-14 | 2017-12-20 | ヴェーデクス・アクティーセルスカプ | 補聴器システムの信号処理方法および補聴器システム |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3920004A1 (de) * | 1989-06-20 | 1991-01-03 | Philips Patentverwaltung | Verfahren und anordnung zur rauschunterdrueckung eines digitalen signals |
US5235646A (en) * | 1990-06-15 | 1993-08-10 | Wilde Martin D | Method and apparatus for creating de-correlated audio output signals and audio recordings made thereby |
US5590205A (en) * | 1994-08-25 | 1996-12-31 | Digisonix, Inc. | Adaptive control system with a corrected-phase filtered error update |
SE511496C2 (sv) * | 1995-05-03 | 1999-10-11 | Ulf Lindgren | Förfarande vid signalseparation |
JP3334500B2 (ja) * | 1996-06-17 | 2002-10-15 | ソニー株式会社 | ノイズリデューサおよびビデオ信号処理装置 |
US5963651A (en) * | 1997-01-16 | 1999-10-05 | Digisonix, Inc. | Adaptive acoustic attenuation system having distributed processing and shared state nodal architecture |
AU740617C (en) * | 1997-06-18 | 2002-08-08 | Clarity, L.L.C. | Methods and apparatus for blind signal separation |
DK0930801T3 (da) * | 1998-01-14 | 2009-02-23 | Bernafon Ag | Kredslöb og fremgangsmåde til adaptiv undertrykkelse af akustisk tilbagekobling |
US6691073B1 (en) * | 1998-06-18 | 2004-02-10 | Clarity Technologies Inc. | Adaptive state space signal separation, discrimination and recovery |
JP2001053654A (ja) * | 1999-08-16 | 2001-02-23 | Matsushita Electric Ind Co Ltd | 信号分離装置、信号分離方法及び記録媒体 |
-
2001
- 2001-01-22 AT AT01810057T patent/ATE417483T1/de not_active IP Right Cessation
- 2001-01-22 DK DK01810057T patent/DK1154674T3/da active
- 2001-01-22 DE DE50114557T patent/DE50114557D1/de not_active Expired - Lifetime
- 2001-01-22 EP EP01810057A patent/EP1154674B1/de not_active Expired - Lifetime
- 2001-01-23 AU AU16669/01A patent/AU778351B2/en not_active Ceased
- 2001-01-24 CA CA002332092A patent/CA2332092C/en not_active Expired - Fee Related
- 2001-02-01 US US09/775,204 patent/US6928171B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20010036284A1 (en) | 2001-11-01 |
AU1666901A (en) | 2001-08-09 |
DK1154674T3 (da) | 2009-04-06 |
CA2332092A1 (en) | 2001-08-02 |
US6928171B2 (en) | 2005-08-09 |
EP1154674B1 (de) | 2008-12-10 |
DE50114557D1 (de) | 2009-01-22 |
AU778351B2 (en) | 2004-12-02 |
EP1154674A2 (de) | 2001-11-14 |
CA2332092C (en) | 2008-09-30 |
EP1154674A3 (de) | 2007-03-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
REN | Ceased due to non-payment of the annual fee |