EP1517583A2 - Hörgerät zur Bestimmung des Gehörgangsvolumens und entsprechendes Anpassverfahren - Google Patents
Hörgerät zur Bestimmung des Gehörgangsvolumens und entsprechendes Anpassverfahren Download PDFInfo
- Publication number
- EP1517583A2 EP1517583A2 EP04021501A EP04021501A EP1517583A2 EP 1517583 A2 EP1517583 A2 EP 1517583A2 EP 04021501 A EP04021501 A EP 04021501A EP 04021501 A EP04021501 A EP 04021501A EP 1517583 A2 EP1517583 A2 EP 1517583A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hearing aid
- electrical input
- impedance
- input impedance
- mechanical resonance
- 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
- 238000000034 method Methods 0.000 title claims abstract description 8
- 230000006978 adaptation Effects 0.000 title description 6
- 230000005236 sound signal Effects 0.000 claims abstract description 4
- 210000000613 ear canal Anatomy 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000003750 conditioning effect Effects 0.000 claims 1
- 239000012528 membrane Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 210000003027 ear inner Anatomy 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 238000002847 impedance measurement Methods 0.000 description 1
- 238000001453 impedance spectrum Methods 0.000 description 1
- 238000012625 in-situ measurement Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 210000003454 tympanic membrane Anatomy 0.000 description 1
Images
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
- H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
Definitions
- the present invention relates to a hearing aid with a Signal processing device for processing an input signal to an output signal and a Schallwandler adopted for converting the output signal of the signal processing device in a sound signal.
- the present invention is a method of adaptation a hearing aid.
- the actual on the patient is resulting sound pressure delivered by the hearing aid of great interest.
- This sound pressure can be through the individual Form of the ear canal partly strongly from the sound pressure differ under laboratory conditions on a standard coupler was measured.
- a standard coupler called one Unit, the ear canal, the eardrum and the tympanic duct of a human ear and for setting purposes used for hearing aids.
- the handset has a dual function and also acts as a receiver of an acoustic input signal, which the sound field in the auditory canal of the hearing aid wearer represents, and converts it into an electrical input signal around. After a suitable further processing becomes the electrical input signal to adapt the hearing aid used to a hearing aid wearer.
- the adaptation takes place here by measuring the voltage, which is caused by the acoustic input signal is caused.
- an implantable Hearing system with means for adjusting the coupling quality described.
- the hearing system is objective Determining the coupling quality of the output transducer with an impedance measuring arrangement for determining the mechanical Impedance of the implanted state to the output transducer coupled biological load structure provided.
- the Impedanzmessaniser has an arrangement for measuring the electrical input impedance of the biological to the Load structure coupled electromechanical output transducer (s) on.
- the object of the present invention is therefore to To show a hearing aid, with the least possible effort be adapted exactly to the ear canal of a hearing aid wearer can.
- a corresponding procedure to be proposed for customization is also to be proposed for customization.
- this object is achieved by a hearing aid with a signal processing device for processing a Input signal to an output signal and a Schallwandler founded for converting the output signal of the signal processing device in a sound signal, with the signal processing device, the electrical input impedance the sound transducer device as a measure of an acoustic Impedance parameter determinable, from the curve the electrical input impedance a mechanical resonance detectable and a shift in mechanical resonance to an automatic correction of the standard frequency response of the Hearing aid is usable.
- the invention provides a method for adaptation a hearing aid by providing a hearing aid, having a sound transducer means, placing the Hearing aid in an ear canal, measuring an electrical input impedance the sound transducer device as a measure of a acoustic impedance parameter of the ear canal, determining a mechanical resonance from the curve of the electric Input impedance and automatic correction of the standard frequency response of the hearing aid based on a shift of the mechanical Resonance against a standard resonance.
- the invention is based on the idea that for adaptation the individually resulting sound pressure in the auditory canal of the Patient must be determined correctly.
- the sound pressure leaves indirectly from the ear canal impedance, namely the impedance, against which the output of the hearing aid works determine.
- a hearing aid model is used, as in the fitting software is usually included.
- an inventive Hearing aid can in the signal processing device from the electrical input impedance the acoustic Impedance of the ear canal before the Schallwandler gear determined become. This allows for a separate acoustic Transducer for determining the acoustic impedance omitted become.
- the signal processing device can then be a shift of mechanical resonance to an automatic correction of the standard frequency response be used of the hearing aid.
- the fact is used that in an electromagnetic transducer whose mechanical elements and the oscillating masses coupled thereto influence the electrical impedance, ie the ratio of the voltage U to the current I.
- a corresponding simplified equivalent circuit diagram of the electromagnetic receiver is shown in FIG. Accordingly, the electrical impedance U / I of the receiver results from a series connection of the coil inductance Le and the DC resistance Re with a parallel connection of an inductance M 2 nS, a capacitance m / M 2 S and a resistance M 2 S / w.
- M is the electromagnetic transducer constant
- S is the membrane area
- n is the compliance of the membrane suspension and the load volume
- m is the membrane mass
- w are the losses. All elements are related to electrical quantities.
- the output side of the quadrupole shown in FIG. 1 becomes by the quantities p / M corresponding to a current and Mv accordingly determined a voltage.
- p is the sound pressure and v the speed of sound.
- the frequency of mechanical resonance becomes essentially by the mass of the moving listener parts, z. B. membrane, the Membrane suspension and the load volume, in particular the auditory canal volume, certainly.
- the Deviation values supplied to the fitting software To correct the standard frequency response, the Deviation values supplied to the fitting software.
- the main advantage of the method according to the invention consists in the simplicity of handling. It is not an additional one Measuring device for determining the acoustic conditions in the Auditory canal necessary.
- the sound pressure in the auditory canal can rather indirectly by determining the electrical input impedance of the listener with the help of the signal processing chip of the Hearing aid to be determined.
- the electrical impedance measurement in normal operation d. H. in normal environment with natural sound sources, are performed when the output signal of signal processing chip enough energy in has the frequency ranges of interest. Is this, however not the case when the natural sound source, for example is too quiet or too covered, so is one Adaptation measurement with artificial sound of the hearing aid necessary.
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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
Description
- FIG 1
- ein vereinfachtes Ersatzschaltbild eines elektromagnetischen Hörers und
- FIG 2
- eine Frequenzfunktion des Betrags der elektrischen Eingangsimpedanz eines typischen Hörgerätehörers.
Claims (4)
- Hörgerät mitdadurch gekennzeichnet, dasseiner Signalverarbeitungseinrichtung zum Aufbereiten eines Eingangssignals zu einem Ausgangssignal undeiner Schallwandlereinrichtung zum Wandeln des Ausgangssignals der Signalverarbeitungseinrichtung in ein Schallsignal,mit der Signalverarbeitungseinrichtung die elektrische Eingangsimpedanz der Schallwandlereinrichtung als Maß für einen akustischen Impedanzparameter bestimmbar, aus dem Kurvenverlauf der elektrischen Eingangsimpedanz eine mechanische Resonanz ermittelbar und eine Verschiebung der mechanischen Resonanz zu einer automatischen Korrektur des Normfrequenzgangs des Hörgeräts nutzbar ist.
- Hörgerät nach Anspruch 1, wobei in der Signalverarbeitungseinrichtung aus der elektrischen Eingangsimpedanz die akustische Impedanz eines Gehörgangs vor der Schallwandlereinrichtung ermittelbar ist.
- Verfahren zur Anpassung eines Hörgeräts durchgekennzeichnet durchBereitstellen eines Hörgeräts, das eine Schallwandlereinrichtung aufweist, undPlatzieren des Hörgeräts in einem Gehörgang,Messen einer elektrischen Eingangsimpedanz der Schallwandlereinrichtung als Maß für einen akustischen Impedanzparameter des Gehörgangs,Ermitteln einer mechanischen Resonanz aus dem Kurvenverlauf der elektrischen Eingangsimpedanz undautomatisches Korrigieren des Normfrequenzgangs des Hörgeräts anhand einer Verschiebung der mechanischen Resonanz gegenüber einer Normresonanz.
- Verfahren nach Anspruch 3, wobei aus der elektrischen Eingangsimpedanz die akustische Impedanz eines Gehörgangs vor der Schallwandlereinrichtung ermittelt wird.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10343291A DE10343291B3 (de) | 2003-09-18 | 2003-09-18 | Hörgerät und Verfahren zur Anpassung eines Hörgeräts |
| DE10343291 | 2003-09-18 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| EP1517583A2 true EP1517583A2 (de) | 2005-03-23 |
| EP1517583A3 EP1517583A3 (de) | 2009-12-23 |
| EP1517583B1 EP1517583B1 (de) | 2013-12-04 |
Family
ID=34177822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP04021501.4A Expired - Lifetime EP1517583B1 (de) | 2003-09-18 | 2004-09-09 | Hörgerät zur Bestimmung des Gehörgangsvolumens und entsprechendes Anpassverfahren |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7302069B2 (de) |
| EP (1) | EP1517583B1 (de) |
| DE (1) | DE10343291B3 (de) |
| DK (1) | DK1517583T3 (de) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8855323B2 (en) | 2007-07-10 | 2014-10-07 | Widex A/S | Method for identifying a receiver in a hearing aid |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030163021A1 (en) * | 2002-02-26 | 2003-08-28 | Miller Douglas Alan | Method and system for external assessment of hearing aids that include implanted actuators |
| US7940945B2 (en) * | 2006-07-06 | 2011-05-10 | Phonak Ag | Method for operating a wireless audio signal receiver unit and system for providing hearing assistance to a user |
| DK2073570T3 (da) | 2007-12-18 | 2013-11-18 | Oticon As | Adaptiv høreanordning og fremgangsmåde til at tilvejebringe et høreapparat |
| EP2056624A1 (de) | 2008-04-10 | 2009-05-06 | Oticon A/S | Verfahren zur Steuerung eines Hörgeräts und Hörgerät |
| DE102010041337B4 (de) | 2010-09-24 | 2013-07-18 | Siemens Medical Instruments Pte. Ltd. | Verfahren zum Anpassen eines Hörgeräts mit Insitu-Audiometrie und Hörgerät |
| EP2629847B1 (de) | 2010-10-19 | 2017-11-22 | Cochlear Limited | Relaisschnittstelle zur verbindung einer implantierten medizinischen vorrichtung mit einer externen elektronischen vorrichtung |
| WO2012149945A1 (en) * | 2011-05-05 | 2012-11-08 | Sony Ericsson Mobile Communications Ab | Method for determining an impedance of an electroacoustic transducer and for operating an audio playback device |
| CN103748903B (zh) * | 2011-06-01 | 2017-02-22 | 菲泰克系统有限公司 | 包括有源噪声降低的耳内装置 |
| US9264811B1 (en) | 2014-04-16 | 2016-02-16 | Audyssey Laboratories | EQ correction for source device impedance and output device impedance interactions |
| US9993644B2 (en) * | 2014-10-06 | 2018-06-12 | Advanced Bionics Ag | Systems and methods for fitting an electro-acoustic stimulation system to a patient |
| CN106797520B (zh) * | 2014-10-15 | 2019-08-13 | 唯听助听器公司 | 操作助听器系统的方法和助听器系统 |
| JP6322339B2 (ja) * | 2014-10-15 | 2018-05-09 | ヴェーデクス・アクティーセルスカプ | 補聴器システムの動作方法および補聴器システム |
| EP3062532B1 (de) * | 2015-02-27 | 2018-08-01 | Oticon A/s | Verfahren zur anpassung eines hörgeräts an das ohr eines benutzers und hörgerät |
| US10348891B2 (en) | 2015-09-06 | 2019-07-09 | Deborah M. Manchester | System for real time, remote access to and adjustment of patient hearing aid with patient in normal life environment |
| CN114268879B (zh) * | 2022-01-25 | 2024-11-12 | 深圳市科奈信科技有限公司 | 适于佩戴口罩用户的音效调整方法和装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000028784A1 (en) | 1998-11-09 | 2000-05-18 | Tøpholm & Westermann APS | Method for in-situ measuring and in-situ correcting or adjusting a signal process in a hearing aid with a reference signal processor |
| US6269318B1 (en) | 1997-04-30 | 2001-07-31 | Earl R. Geddes | Method for determining transducer linear operational parameters |
| EP1181950A2 (de) | 2000-08-25 | 2002-02-27 | Cochlear Limited | Implantierbares Hörsystem mit Mitteln zur Messung der Ankopplungsqualität |
| DE10104711A1 (de) | 2001-02-02 | 2002-04-25 | Siemens Audiologische Technik | Verfahren zum Betrieb eines Hörhilfegerätes sowie Hörhilfegerät |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4128172C2 (de) * | 1991-08-24 | 2000-07-13 | Ascom Audiosys Ag Flamatt | Digitales Hörgerät |
-
2003
- 2003-09-18 DE DE10343291A patent/DE10343291B3/de not_active Expired - Fee Related
-
2004
- 2004-09-09 DK DK04021501.4T patent/DK1517583T3/en active
- 2004-09-09 EP EP04021501.4A patent/EP1517583B1/de not_active Expired - Lifetime
- 2004-09-17 US US10/944,589 patent/US7302069B2/en not_active Expired - Lifetime
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269318B1 (en) | 1997-04-30 | 2001-07-31 | Earl R. Geddes | Method for determining transducer linear operational parameters |
| WO2000028784A1 (en) | 1998-11-09 | 2000-05-18 | Tøpholm & Westermann APS | Method for in-situ measuring and in-situ correcting or adjusting a signal process in a hearing aid with a reference signal processor |
| EP1181950A2 (de) | 2000-08-25 | 2002-02-27 | Cochlear Limited | Implantierbares Hörsystem mit Mitteln zur Messung der Ankopplungsqualität |
| DE10041726C1 (de) | 2000-08-25 | 2002-05-23 | Implex Ag Hearing Technology I | Implantierbares Hörsystem mit Mitteln zur Messung der Ankopplungsqualität |
| DE10104711A1 (de) | 2001-02-02 | 2002-04-25 | Siemens Audiologische Technik | Verfahren zum Betrieb eines Hörhilfegerätes sowie Hörhilfegerät |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8855323B2 (en) | 2007-07-10 | 2014-10-07 | Widex A/S | Method for identifying a receiver in a hearing aid |
Also Published As
| Publication number | Publication date |
|---|---|
| US7302069B2 (en) | 2007-11-27 |
| DK1517583T3 (en) | 2014-03-10 |
| US20050105741A1 (en) | 2005-05-19 |
| EP1517583B1 (de) | 2013-12-04 |
| DE10343291B3 (de) | 2005-04-21 |
| EP1517583A3 (de) | 2009-12-23 |
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