EP0997055A1 - Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus - Google Patents
Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatusInfo
- Publication number
- EP0997055A1 EP0997055A1 EP98929585A EP98929585A EP0997055A1 EP 0997055 A1 EP0997055 A1 EP 0997055A1 EP 98929585 A EP98929585 A EP 98929585A EP 98929585 A EP98929585 A EP 98929585A EP 0997055 A1 EP0997055 A1 EP 0997055A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- converters
- unit
- output
- input
- 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
- 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
- H04R25/40—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
- 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
Definitions
- the first object of the present invention is reached by provid- ing a method for electronically selecting the dependency of an electric output signal of an electronic transducer unit from spatial direction wherefrom acoustical signals impinge on at least a first and a second acoustical/electrical converter, connected to the inputs of said transducer unit, thereby input- ting first and second electric signals thereto, which comprises the steps of
- the fourth electric signal is dependent on both first and second electric signals .
- the fourth electric signal has a predetermined or adjustable "lobe" characteristic, i.e. dependency from spatial impinging direction.
- the fourth electric signal is generated by delaying one of the first and second signals and then summing the delayed signal and the other, undelayed signal of said first and second signals.
- the fourth electric signal per se has an ampli- fication to impinging angle dependency and thus defines - as was said - for a "lobe", as an example according to a dependency as was discussed with the help of the figs. 1 to 4.
- a beam-former processing unit with at least two inputs, one input being operationally connected to the output of said phase-processing unit, the second input being operationally connected to at least one output of said at least two con- verters .
- a kr , ⁇ .. . n ( ⁇ ⁇ ...n/ ⁇ ) °f figs . 8 and 9, is input to a beam former processing unit 48 according to unit 23 or 23' or 37, as of the figs. 7 to 9.
- the beam former processing unit comprises a second input to which S 5 , dependent from at least one of the output signals of the converters 2 a , 2 b is fed. Latter signals are thus operationally connected as schematically shown by block 50 in an "EX-OR” or in an "AND” combination to the beam former processing unit 48.
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Neurosurgery (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Circuit For Audible Band Transducer (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
- Transducers For Ultrasonic Waves (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP98929585A EP0997055B1 (en) | 1997-07-16 | 1998-07-14 | Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP97112125A EP0802699A3 (en) | 1997-07-16 | 1997-07-16 | Method for electronically enlarging the distance between two acoustical/electrical transducers and hearing aid apparatus |
EP97112125 | 1997-07-16 | ||
PCT/IB1998/001069 WO1999004598A1 (en) | 1997-07-16 | 1998-07-14 | Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus |
EP98929585A EP0997055B1 (en) | 1997-07-16 | 1998-07-14 | Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0997055A1 true EP0997055A1 (en) | 2000-05-03 |
EP0997055B1 EP0997055B1 (en) | 2002-05-22 |
Family
ID=8227067
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97112125A Withdrawn EP0802699A3 (en) | 1997-07-16 | 1997-07-16 | Method for electronically enlarging the distance between two acoustical/electrical transducers and hearing aid apparatus |
EP98929585A Expired - Lifetime EP0997055B1 (en) | 1997-07-16 | 1998-07-14 | Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97112125A Withdrawn EP0802699A3 (en) | 1997-07-16 | 1997-07-16 | Method for electronically enlarging the distance between two acoustical/electrical transducers and hearing aid apparatus |
Country Status (13)
Country | Link |
---|---|
EP (2) | EP0802699A3 (en) |
JP (1) | JP2001510975A (en) |
KR (1) | KR20010021877A (en) |
CN (1) | CN1267444A (en) |
AT (1) | ATE218025T1 (en) |
AU (1) | AU749652B2 (en) |
CA (1) | CA2296414C (en) |
DE (1) | DE69805526T2 (en) |
DK (1) | DK0997055T3 (en) |
IL (1) | IL133999A (en) |
NZ (1) | NZ502350A (en) |
TR (1) | TR200000119T2 (en) |
WO (1) | WO1999004598A1 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009062214A1 (en) * | 2007-11-13 | 2009-05-22 | Akg Acoustics Gmbh | Method for synthesizing a microphone signal |
US8345898B2 (en) | 2008-02-26 | 2013-01-01 | Akg Acoustics Gmbh | Transducer assembly |
US8472639B2 (en) | 2007-11-13 | 2013-06-25 | Akg Acoustics Gmbh | Microphone arrangement having more than one pressure gradient transducer |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6987856B1 (en) | 1996-06-19 | 2006-01-17 | Board Of Trustees Of The University Of Illinois | Binaural signal processing techniques |
WO2000019770A1 (en) * | 1998-09-29 | 2000-04-06 | Siemens Audiologische Technik Gmbh | Hearing aid and method for processing microphone signals in a hearing aid |
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 |
US6307901B1 (en) * | 2000-04-24 | 2001-10-23 | Motorola, Inc. | Turbo decoder with decision feedback equalization |
US7206423B1 (en) | 2000-05-10 | 2007-04-17 | Board Of Trustees Of University Of Illinois | Intrabody communication for a hearing aid |
JP2003533152A (en) * | 2000-05-10 | 2003-11-05 | ザ・ボード・オブ・トラスティーズ・オブ・ザ・ユニバーシティ・オブ・イリノイ | Interference suppression method and apparatus |
US7502479B2 (en) | 2001-04-18 | 2009-03-10 | Phonak Ag | Method for analyzing an acoustical environment and a system to do so |
EP1232670B1 (en) | 2001-04-18 | 2010-10-27 | Phonak Ag | A method for analyzing an acoustical environment and a system to do so |
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 |
CA2420989C (en) | 2002-03-08 | 2006-12-05 | Gennum Corporation | Low-noise directional microphone system |
US7286672B2 (en) | 2003-03-07 | 2007-10-23 | Phonak Ag | Binaural hearing device and method for controlling a hearing device system |
EP1326478B1 (en) | 2003-03-07 | 2014-11-05 | Phonak Ag | Method for producing control signals and binaural hearing device system |
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 |
US7945064B2 (en) | 2003-04-09 | 2011-05-17 | Board Of Trustees Of The University Of Illinois | Intrabody communication with ultrasound |
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 |
WO2005109951A1 (en) * | 2004-05-05 | 2005-11-17 | Deka Products Limited Partnership | Angular discrimination of acoustical or radio signals |
EP1513371B1 (en) | 2004-10-19 | 2012-08-15 | Phonak Ag | Method for operating a hearing device as well as a hearing device |
US7415372B2 (en) | 2005-08-26 | 2008-08-19 | Step Communications Corporation | Method and apparatus for improving noise discrimination in multiple sensor pairs |
US7619563B2 (en) | 2005-08-26 | 2009-11-17 | Step Communications Corporation | Beam former using phase difference enhancement |
US7472041B2 (en) * | 2005-08-26 | 2008-12-30 | Step Communications Corporation | Method and apparatus for accommodating device and/or signal mismatch in a sensor array |
US8103030B2 (en) | 2006-10-23 | 2012-01-24 | Siemens Audiologische Technik Gmbh | Differential directional microphone system and hearing aid device with such a differential directional microphone system |
DE102006049870B4 (en) * | 2006-10-23 | 2016-05-19 | Sivantos Gmbh | Differential directional microphone system and hearing aid with such a differential directional microphone system |
WO2008061534A1 (en) | 2006-11-24 | 2008-05-29 | Rasmussen Digital Aps | Signal processing using spatial filter |
JP2010124370A (en) * | 2008-11-21 | 2010-06-03 | Fujitsu Ltd | Signal processing device, signal processing method, and signal processing program |
WO2010125797A1 (en) * | 2009-04-28 | 2010-11-04 | パナソニック株式会社 | Hearing aid device and hearing aid method |
JP5272920B2 (en) | 2009-06-23 | 2013-08-28 | 富士通株式会社 | Signal processing apparatus, signal processing method, and signal processing program |
JP5368272B2 (en) * | 2009-11-20 | 2013-12-18 | ジェイ・アール・シー特機株式会社 | Acoustic signal processing device |
JP5493850B2 (en) * | 2009-12-28 | 2014-05-14 | 富士通株式会社 | Signal processing apparatus, microphone array apparatus, signal processing method, and signal processing program |
GB2575491A (en) * | 2018-07-12 | 2020-01-15 | Centricam Tech Limited | A microphone system |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4751738A (en) * | 1984-11-29 | 1988-06-14 | The Board Of Trustees Of The Leland Stanford Junior University | Directional hearing aid |
JPH0579899A (en) * | 1991-09-24 | 1993-03-30 | Ono Sokki Co Ltd | Acoustic intensity measuring apparatus |
FR2687496B1 (en) * | 1992-02-18 | 1994-04-01 | Alcatel Radiotelephone | METHOD FOR REDUCING ACOUSTIC NOISE IN A SPEAKING SIGNAL. |
US5473701A (en) * | 1993-11-05 | 1995-12-05 | At&T Corp. | Adaptive microphone array |
-
1997
- 1997-07-16 EP EP97112125A patent/EP0802699A3/en not_active Withdrawn
-
1998
- 1998-07-14 AU AU79281/98A patent/AU749652B2/en not_active Ceased
- 1998-07-14 CA CA002296414A patent/CA2296414C/en not_active Expired - Fee Related
- 1998-07-14 CN CN98808183A patent/CN1267444A/en active Pending
- 1998-07-14 TR TR2000/00119T patent/TR200000119T2/en unknown
- 1998-07-14 JP JP2000503683A patent/JP2001510975A/en active Pending
- 1998-07-14 NZ NZ502350A patent/NZ502350A/en unknown
- 1998-07-14 KR KR1020007000441A patent/KR20010021877A/en not_active Application Discontinuation
- 1998-07-14 WO PCT/IB1998/001069 patent/WO1999004598A1/en not_active Application Discontinuation
- 1998-07-14 DE DE69805526T patent/DE69805526T2/en not_active Expired - Lifetime
- 1998-07-14 DK DK98929585T patent/DK0997055T3/en active
- 1998-07-14 IL IL13399998A patent/IL133999A/en not_active IP Right Cessation
- 1998-07-14 AT AT98929585T patent/ATE218025T1/en not_active IP Right Cessation
- 1998-07-14 EP EP98929585A patent/EP0997055B1/en not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO9904598A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009062214A1 (en) * | 2007-11-13 | 2009-05-22 | Akg Acoustics Gmbh | Method for synthesizing a microphone signal |
US8472639B2 (en) | 2007-11-13 | 2013-06-25 | Akg Acoustics Gmbh | Microphone arrangement having more than one pressure gradient transducer |
US8345898B2 (en) | 2008-02-26 | 2013-01-01 | Akg Acoustics Gmbh | Transducer assembly |
Also Published As
Publication number | Publication date |
---|---|
AU7928198A (en) | 1999-02-10 |
EP0997055B1 (en) | 2002-05-22 |
DE69805526D1 (en) | 2002-06-27 |
EP0802699A2 (en) | 1997-10-22 |
IL133999A0 (en) | 2001-04-30 |
TR200000119T2 (en) | 2000-05-22 |
WO1999004598A1 (en) | 1999-01-28 |
EP0802699A3 (en) | 1998-02-25 |
CA2296414A1 (en) | 1999-01-28 |
IL133999A (en) | 2004-03-28 |
AU749652B2 (en) | 2002-06-27 |
CN1267444A (en) | 2000-09-20 |
CA2296414C (en) | 2005-03-15 |
KR20010021877A (en) | 2001-03-15 |
NZ502350A (en) | 2002-10-25 |
ATE218025T1 (en) | 2002-06-15 |
DK0997055T3 (en) | 2002-07-22 |
DE69805526T2 (en) | 2002-11-28 |
JP2001510975A (en) | 2001-08-07 |
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