NZ502883A - Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers - Google Patents
Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducersInfo
- Publication number
- NZ502883A NZ502883A NZ502883A NZ50288398A NZ502883A NZ 502883 A NZ502883 A NZ 502883A NZ 502883 A NZ502883 A NZ 502883A NZ 50288398 A NZ50288398 A NZ 50288398A NZ 502883 A NZ502883 A NZ 502883A
- Authority
- NZ
- New Zealand
- Prior art keywords
- transducers
- amplification
- twin
- accordance
- reception delay
- Prior art date
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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
-
- 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
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Abstract
A predetermined characteristic of amplification in dependency of the direction (q) from which acoustical signals are received at two spaced-apart acoustical/electrical transducers (1, 2) is formed in that repetitively a mutual delay signal (A10) is determined from the output signals of the transducers and according to the reception delay at the transducers, one (S1) of the output signals is filtered, thereby the filtering transfer characteristic is controlled in dependency of the mutual delay signal (A12). The output signal of the filtering (14) is exploited as electrical reception signal (Sr).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP97114413A EP0820210A3 (en) | 1997-08-20 | 1997-08-20 | A method for elctronically beam forming acoustical signals and acoustical sensorapparatus |
| PCT/IB1998/000889 WO1999009786A1 (en) | 1997-08-20 | 1998-06-08 | A method for electronically beam forming acoustical signals and acoustical sensor apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NZ502883A true NZ502883A (en) | 2002-10-25 |
Family
ID=8227250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NZ502883A NZ502883A (en) | 1997-08-20 | 1998-06-08 | Amplification directional characteristic for deaf aid set established by electronic filtering in accordance with acoustic reception delay at twin transducers |
Country Status (14)
| Country | Link |
|---|---|
| EP (2) | EP0820210A3 (en) |
| JP (1) | JP2001516196A (en) |
| KR (1) | KR20010023076A (en) |
| CN (1) | CN1267445A (en) |
| AT (1) | ATE213581T1 (en) |
| AU (1) | AU746584B2 (en) |
| CA (1) | CA2301216C (en) |
| DE (1) | DE69803933T2 (en) |
| DK (1) | DK1005783T3 (en) |
| IL (1) | IL134435A (en) |
| NZ (1) | NZ502883A (en) |
| RU (1) | RU2185710C2 (en) |
| TR (1) | TR200000457T2 (en) |
| WO (1) | WO1999009786A1 (en) |
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| CH693759A5 (en) * | 1999-01-06 | 2004-01-15 | Martin Kompis | Apparatus and method for suppression of St oergeraeuschen. |
| CA2341255C (en) * | 1999-02-05 | 2003-09-09 | Topholm & Westermann Aps | Hearing aid with beam forming properties |
| EP1035752A1 (en) * | 1999-03-05 | 2000-09-13 | Phonak Ag | Method for shaping the spatial reception amplification characteristic of a converter arrangement and converter arrangement |
| WO2000076268A2 (en) * | 1999-06-02 | 2000-12-14 | Siemens Audiologische Technik Gmbh | Hearing aid device, comprising a directional microphone system and a method for operating a hearing aid device |
| AU2001256038A1 (en) * | 2000-05-08 | 2001-11-20 | Microbridge Technologies Inc. | Gas flow sensor, speaker system and microphone |
| WO2002003754A1 (en) * | 2000-07-03 | 2002-01-10 | Nanyang Technological University | Microphone array system |
| US7274794B1 (en) | 2001-08-10 | 2007-09-25 | Sonic Innovations, Inc. | Sound processing system including forward filter that exhibits arbitrary directivity and gradient response in single wave sound environment |
| US7369669B2 (en) † | 2002-05-15 | 2008-05-06 | Micro Ear Technology, Inc. | Diotic presentation of second-order gradient directional hearing aid signals |
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| US20040175008A1 (en) | 2003-03-07 | 2004-09-09 | Hans-Ueli Roeck | Method for producing control signals, method of controlling signal and a hearing device |
| US8027495B2 (en) | 2003-03-07 | 2011-09-27 | Phonak Ag | Binaural hearing device and method for controlling a hearing device system |
| DE10312065B4 (en) * | 2003-03-18 | 2005-10-13 | Technische Universität Berlin | Method and device for separating acoustic signals |
| DE10313330B4 (en) * | 2003-03-25 | 2005-04-14 | Siemens Audiologische Technik Gmbh | Method for suppressing at least one acoustic interference signal and apparatus for carrying out the method |
| DE10331956C5 (en) * | 2003-07-16 | 2010-11-18 | Siemens Audiologische Technik Gmbh | Hearing aid and method for operating a hearing aid with a microphone system, in which different Richtcharaktistiken are adjustable |
| DE10334396B3 (en) * | 2003-07-28 | 2004-10-21 | Siemens Audiologische Technik Gmbh | Electrical hearing aid has individual microphones combined to provide 2 microphone units in turn combined to provide further microphone unit with same order directional characteristic |
| US7212643B2 (en) | 2004-02-10 | 2007-05-01 | Phonak Ag | Real-ear zoom hearing device |
| EP1443798B1 (en) * | 2004-02-10 | 2006-06-07 | Phonak Ag | Real-ear zoom hearing device |
| DE102004010867B3 (en) * | 2004-03-05 | 2005-08-18 | Siemens Audiologische Technik Gmbh | Matching phases of microphones of hearing aid directional microphone involves matching second signal level to first by varying transition time of output signal from microphone without taking into account sound source position information |
| US8275147B2 (en) | 2004-05-05 | 2012-09-25 | Deka Products Limited Partnership | Selective shaping of communication signals |
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| AU2007323521B2 (en) | 2006-11-24 | 2011-02-03 | Sonova Ag | Signal processing using spatial filter |
| DE112007003603T5 (en) * | 2007-08-03 | 2010-07-01 | FUJITSU LIMITED, Kawasaki-shi | Sound receiving device, directivity deriving method, directivity deriving device and computer program |
| US8396234B2 (en) | 2008-02-05 | 2013-03-12 | Phonak Ag | Method for reducing noise in an input signal of a hearing device as well as a hearing device |
| EP2088802B1 (en) | 2008-02-07 | 2013-07-10 | Oticon A/S | Method of estimating weighting function of audio signals in a hearing aid |
| DE102008046040B4 (en) | 2008-09-05 | 2012-03-15 | Siemens Medical Instruments Pte. Ltd. | Method for operating a hearing device with directivity and associated hearing device |
| EP2192794B1 (en) | 2008-11-26 | 2017-10-04 | Oticon A/S | Improvements in hearing aid algorithms |
| DK2262285T3 (en) | 2009-06-02 | 2017-02-27 | Oticon As | Listening device providing improved location ready signals, its use and method |
| CN102474680B (en) * | 2009-07-24 | 2015-08-19 | 皇家飞利浦电子股份有限公司 | Audio signal beam is formed |
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| DK2360943T3 (en) | 2009-12-29 | 2013-07-01 | Gn Resound As | Beam shaping in hearing aids |
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| CN104464739B (en) * | 2013-09-18 | 2017-08-11 | 华为技术有限公司 | Acoustic signal processing method and device, Difference Beam forming method and device |
| CN112240909A (en) * | 2020-09-30 | 2021-01-19 | 山东大学 | Bridge inhaul cable broken wire sound signal acquisition system and method |
| CN112492475B (en) * | 2020-11-30 | 2022-01-11 | 瑞声新能源发展(常州)有限公司科教城分公司 | MEMS microphone and working control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4884265A (en) * | 1987-04-30 | 1989-11-28 | Loral Corporation | Digital demodulator for frequency-division-multiplexed signals |
| GB8724932D0 (en) * | 1987-10-23 | 1987-11-25 | Szeto L W M | Analysing signals |
| US5473701A (en) * | 1993-11-05 | 1995-12-05 | At&T Corp. | Adaptive microphone array |
-
1997
- 1997-08-20 EP EP97114413A patent/EP0820210A3/en not_active Withdrawn
-
1998
- 1998-06-08 DE DE69803933T patent/DE69803933T2/en not_active Expired - Lifetime
- 1998-06-08 CA CA002301216A patent/CA2301216C/en not_active Expired - Fee Related
- 1998-06-08 IL IL13443598A patent/IL134435A/en not_active IP Right Cessation
- 1998-06-08 AT AT98922985T patent/ATE213581T1/en active
- 1998-06-08 TR TR2000/00457T patent/TR200000457T2/en unknown
- 1998-06-08 RU RU2000106528/28A patent/RU2185710C2/en not_active IP Right Cessation
- 1998-06-08 CN CN98808321A patent/CN1267445A/en active Pending
- 1998-06-08 DK DK98922985T patent/DK1005783T3/en active
- 1998-06-08 KR KR1020007001695A patent/KR20010023076A/en not_active Application Discontinuation
- 1998-06-08 JP JP2000510313A patent/JP2001516196A/en active Pending
- 1998-06-08 EP EP98922985A patent/EP1005783B1/en not_active Expired - Lifetime
- 1998-06-08 NZ NZ502883A patent/NZ502883A/en unknown
- 1998-06-08 WO PCT/IB1998/000889 patent/WO1999009786A1/en not_active Application Discontinuation
- 1998-06-08 AU AU75441/98A patent/AU746584B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| EP1005783A1 (en) | 2000-06-07 |
| CN1267445A (en) | 2000-09-20 |
| IL134435A (en) | 2004-03-28 |
| DE69803933D1 (en) | 2002-03-28 |
| EP0820210A3 (en) | 1998-04-01 |
| WO1999009786A1 (en) | 1999-02-25 |
| DE69803933T2 (en) | 2002-10-10 |
| EP1005783B1 (en) | 2002-02-20 |
| RU2185710C2 (en) | 2002-07-20 |
| AU746584B2 (en) | 2002-05-02 |
| EP0820210A2 (en) | 1998-01-21 |
| CA2301216A1 (en) | 1999-02-25 |
| ATE213581T1 (en) | 2002-03-15 |
| KR20010023076A (en) | 2001-03-26 |
| JP2001516196A (en) | 2001-09-25 |
| AU7544198A (en) | 1999-03-08 |
| CA2301216C (en) | 2004-07-13 |
| TR200000457T2 (en) | 2000-05-22 |
| DK1005783T3 (en) | 2002-05-21 |
| IL134435A0 (en) | 2001-04-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PSEA | Patent sealed |