EP1874082A3 - Device and method for step-size control of an adaptive filter - Google Patents
Device and method for step-size control of an adaptive filter Download PDFInfo
- Publication number
- EP1874082A3 EP1874082A3 EP07110325A EP07110325A EP1874082A3 EP 1874082 A3 EP1874082 A3 EP 1874082A3 EP 07110325 A EP07110325 A EP 07110325A EP 07110325 A EP07110325 A EP 07110325A EP 1874082 A3 EP1874082 A3 EP 1874082A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- adaptive filter
- frequency bands
- analyzing
- size control
- edge detection
- 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.)
- Granted
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/02—Circuits for transducers, loudspeakers or microphones for preventing acoustic reaction, i.e. acoustic oscillatory feedback
Landscapes
- Acoustics & Sound (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
- Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Paper (AREA)
- Networks Using Active Elements (AREA)
Abstract
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006029194A DE102006029194B4 (en) | 2006-06-26 | 2006-06-26 | Device and method for increment control of an adaptive filter |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1874082A2 EP1874082A2 (en) | 2008-01-02 |
EP1874082A3 true EP1874082A3 (en) | 2008-07-02 |
EP1874082B1 EP1874082B1 (en) | 2011-10-19 |
Family
ID=38514271
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07110325A Not-in-force EP1874082B1 (en) | 2006-06-26 | 2007-06-15 | Device and method for step-size control of an adaptive filter |
Country Status (5)
Country | Link |
---|---|
US (1) | US8611572B2 (en) |
EP (1) | EP1874082B1 (en) |
AT (1) | ATE530032T1 (en) |
DE (1) | DE102006029194B4 (en) |
DK (1) | DK1874082T3 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2189006B1 (en) * | 2007-09-20 | 2011-06-29 | Phonak AG | Method for determining of feedback threshold in a hearing device |
US20110026746A1 (en) * | 2007-09-20 | 2011-02-03 | Phonak Ag | Method for determining of feedback threshold in a hearing device and a hearing device |
US8306240B2 (en) * | 2008-10-20 | 2012-11-06 | Bose Corporation | Active noise reduction adaptive filter adaptation rate adjusting |
DE102009016845B3 (en) * | 2009-04-08 | 2010-08-05 | Siemens Medical Instruments Pte. Ltd. | Arrangement and method for detecting feedback in hearing devices |
DE102010007336B4 (en) | 2010-02-09 | 2013-08-08 | Siemens Medical Instruments Pte. Ltd. | Method for compensating a feedback signal and hearing device |
EP2590437B1 (en) | 2011-11-03 | 2015-09-23 | Siemens Medical Instruments Pte. Ltd. | Periodic adaptation of a feedback suppression device |
EP2764710A1 (en) | 2011-11-15 | 2014-08-13 | Siemens Medical Instruments Pte. Ltd. | Method and device for reducing acoustic feedback |
US9628923B2 (en) | 2013-12-27 | 2017-04-18 | Gn Hearing A/S | Feedback suppression |
CN104754485B (en) * | 2015-02-06 | 2018-04-06 | 哈尔滨工业大学深圳研究生院 | A kind of digital deaf-aid echo canceling method based on NLMS algorithm improvements |
US20170311095A1 (en) * | 2016-04-20 | 2017-10-26 | Starkey Laboratories, Inc. | Neural network-driven feedback cancellation |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19904538C1 (en) * | 1999-02-04 | 2000-07-13 | Siemens Audiologische Technik | Method of detecting feedback in hearing aid |
DE102004050304B3 (en) * | 2004-10-14 | 2006-06-14 | Siemens Audiologische Technik Gmbh | Method for reducing feedback in an acoustic system and signal processing device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ATE171833T1 (en) * | 1995-05-02 | 1998-10-15 | Toepholm & Westermann | METHOD FOR CONTROLLING A PROGRAMMABLE OR PROGRAMMED HEARING AID FOR INSTITUTIONAL FIT SETTING |
AU5806300A (en) * | 1999-07-19 | 2001-02-05 | Oticon A/S | Feedback cancellation using bandwidth detection |
US20060093173A1 (en) | 2004-10-14 | 2006-05-04 | Volkmar Hamacher | Method and signal processor for reducing feedback in an audio system |
-
2006
- 2006-06-26 DE DE102006029194A patent/DE102006029194B4/en not_active Expired - Fee Related
-
2007
- 2007-06-15 DK DK07110325.3T patent/DK1874082T3/en active
- 2007-06-15 AT AT07110325T patent/ATE530032T1/en active
- 2007-06-15 EP EP07110325A patent/EP1874082B1/en not_active Not-in-force
- 2007-06-26 US US11/821,958 patent/US8611572B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19904538C1 (en) * | 1999-02-04 | 2000-07-13 | Siemens Audiologische Technik | Method of detecting feedback in hearing aid |
DE102004050304B3 (en) * | 2004-10-14 | 2006-06-14 | Siemens Audiologische Technik Gmbh | Method for reducing feedback in an acoustic system and signal processing device |
Non-Patent Citations (1)
Title |
---|
CHI H-F ET AL: "Band-limited feedback cancellation with a modified filtered-X LMS algorithm for hearing aids", SPEECH COMMUNICATION, ELSEVIER SCIENCE PUBLISHERS, AMSTERDAM, NL, vol. 39, no. 1-2, 1 January 2003 (2003-01-01), pages 147 - 161, XP002295470, ISSN: 0167-6393 * |
Also Published As
Publication number | Publication date |
---|---|
DE102006029194A1 (en) | 2007-12-27 |
EP1874082B1 (en) | 2011-10-19 |
EP1874082A2 (en) | 2008-01-02 |
US8611572B2 (en) | 2013-12-17 |
DE102006029194B4 (en) | 2010-04-15 |
US20070297627A1 (en) | 2007-12-27 |
ATE530032T1 (en) | 2011-11-15 |
DK1874082T3 (en) | 2012-02-13 |
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