EP2028880B1 - Automatic earpiece-type detection in hearing aids - Google Patents

Automatic earpiece-type detection in hearing aids Download PDF

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Publication number
EP2028880B1
EP2028880B1 EP08104991.8A EP08104991A EP2028880B1 EP 2028880 B1 EP2028880 B1 EP 2028880B1 EP 08104991 A EP08104991 A EP 08104991A EP 2028880 B1 EP2028880 B1 EP 2028880B1
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EP
European Patent Office
Prior art keywords
hearing aid
receiver
signal processing
handset
processing unit
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Not-in-force
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EP08104991.8A
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German (de)
French (fr)
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EP2028880A2 (en
EP2028880A3 (en
Inventor
Georg Gottschalk
Frank Wagner
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Sivantos GmbH
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Sivantos GmbH
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Publication of EP2028880A3 publication Critical patent/EP2028880A3/en
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    • 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
    • H04R25/30—Monitoring or testing of hearing aids, e.g. functioning, settings, battery power
    • H04R25/305—Self-monitoring or self-testing
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/607—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of earhooks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/05—Detection of connection of loudspeakers or headphones to amplifiers
    • 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
    • H04R25/60—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles
    • H04R25/604—Mounting or interconnection of hearing aid parts, e.g. inside tips, housings or to ossicles of acoustic or vibrational 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
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting

Definitions

  • the invention relates to a hearing aid system comprising at least one hearing aid with an input transducer for receiving an input signal and conversion to an electrical input signal, a signal processing unit for processing and amplification of the electrical input signal and output of an electrical output signal and a receiver for converting the electrical output signal into an acoustic output signal ,
  • Hearing aids are offered in different performance classes. These differ in particular by the particular type of handset used, on which the maximum output power and the maximum sound pressure level that can be generated depend.
  • RIC-BTE receiveriver-in-canal behind-the-ear
  • different powerful hearing aids in be easily generated by the use of different ear pieces with different listeners.
  • the earpiece is releasably connected by means of plug connection with the hearing aid housing, so that an exchange can be made for example by the acoustician.
  • the signal processing unit of the hearing aid in question is adapted to the handset used. If the amplification of an acoustic input signal by the hearing aid device is not adapted to the handset used, it may happen that the user's discomfort threshold is exceeded, or even damage to the hearing. Therefore, there is a desire that an automatic adaptation of the signal processing and in particular the amplification takes place at the listener used.
  • the known hearing aid can be equipped with a different number of actuators and it can be assigned to a controller different actuator functions.
  • the actuators include actuator contacts, which are soldered to a circuit board of the hearing aid.
  • the actuators are coverable with different covers, which comprise contact elements in different coded form.
  • different actuators are assigned different actuator functions by the number of contact tongues of the actuators respectively assigned contact elements.
  • the WO 99/09799 relates to a hearing aid with peripheral units, wherein at least a part of the peripheral units comprises an identification unit.
  • the identification unit is an identification memory on which information is stored.
  • the document US 2003/0086582 A1 relates to a hearing aid which is divided into two modules: a first module with power supply and receiver and a second module with microphone and signal processing unit.
  • the first module has a coding unit and the second module has a complementary decoding unit.
  • the coding unit may be a memory or a mechanical coding unit of projections and elevations.
  • the WO 2007/045254 A1 relates to an exchangeable acoustic system which transmits sound from a listener in the hearing aid into the ear of the wearer.
  • the acoustic system has a coding which indicates the acoustic properties of the acoustic system. As encoding a variety of conductive areas and their resistance are specified.
  • the WO2009 / 006889 A1 describes a hearing aid with a handset, in which the hearing aid measures an impedance of the listener and thus identifies a type of the listener.
  • an identification system which determines electrical properties of connectable devices and identifies the connected device based on the measured values.
  • Object of the present invention is to avoid a faulty adaptation of the signal processing unit of a hearing aid to the handset used.
  • the basic idea of the invention is to provide means by means of which the type of handset used in each case in the hearing aid can be automatically recognized.
  • the invention offers the advantage that the probability of a faulty adaptation is minimized by the automatic recognition of the respective type of handset.
  • the relevant type of handset is automatically detected and the adaptation to the recognized handset type is preferably carried out automatically.
  • a faulty adaptation of the signal processing unit to the particular type of handset used is thereby largely excluded.
  • connection pins For differentiating different types of listeners different information carriers come into question, which carry a automatically detectable by the hearing aid system and characteristic of the respective handset type information.
  • a particularly easy-to-implement possibility using mechanical means as an information carrier consists in a specific embodiment of the connection pins present on a receiver used, and in particular in the use of connecting pins of different lengths. Different Lengths of the connection pins can be detected in a simple manner and from this different types of handset can be derived.
  • the hearing aid itself has the necessary means for automatically detecting the type of handset used.
  • the hearing aid system according to the invention in addition to the at least one hearing aid includes a programmer for programming and / or adjustment of the hearing aid in question and the means for automatically detecting the type of handset used are at least partially outsourced to the programmer.
  • the hearing aid has only electrical contacts and lines that allow a connection of the listener associated resistance with the programmer, the determination of the resistance value and the associated automatic detection of the handset type but done in the programmer , Furthermore, it is possible that the hearing aid device comprises means for detecting a characteristic for the respective listener information, wherein the hearing aid then only data on this information are stored, which can be read from the hearing aid, and the evaluation of this data outside the hearing aid , eg in the programmer.
  • the automatic adaptation of the signal processing unit of the hearing aid to the recognized handset type preferably also takes place automatically by the hearing aid. This ensures that the signal processing unit of the hearing aid is always correctly adapted to the particular type of earphone even after an exchange of the handset used.
  • the information about the type of handset used in a with the associated hearing aid connected programmer and optionally displayed can then be made manually by the operator of the programming device.
  • the invention can be used particularly advantageously in a behind-the-ear hearing aid device in which the earpiece is located in an earpiece that can be worn in the ear (RIC-BTE). Since in these hearing aids the earpiece with the handset is usually detachably connected to the portable behind the ear housing of the hearing aid, the handset can be easily replaced. However, this also increases the risk that the signal processing in a hearing aid in question will not be properly adapted to the handset used. Automatic recognition of the type of handset used and automatic adaptation of the signal processing unit according to the invention counteract this danger.
  • the invention can be used particularly advantageously in all modular hearing aids in which a receiver module can be detachably connected to the hearing aid.
  • This can be both a hearing aid (IdO) that can be worn in the ear and a hearing aid (BTE) that can be worn behind the ear.
  • IdO hearing aid
  • BTE hearing aid
  • FIG. 1 shows a hearing aid device according to the invention, which comprises only a hearing aid 1 with a portable behind the ear device part 2 and a portable ear in the ear 3 piece.
  • the microphone 4 with the sound inlet opening 5 is present. This is connected by means of electrical lines 6 to a signal processing unit 7.
  • the output from the microphone 4 electrical input signal is processed and amplified in response to the signal frequency and supplied via electrical lines 8 and 13 and contacts 9 to a handset 10, which converts the electrical output signal generated by the signal processing unit 7 into an acoustic output signal and emits a sound channel 11 in the ear canal of a user.
  • the hearing aid device 1 is located in the earpiece 3. Accordingly, the hearing aid device 1 according to the exemplary embodiment is a so-called RIC-BTE.
  • a connecting piece 12 in which the electrical leads 13 for connecting the signal processing unit 7 to the handset 10 extend.
  • the connector 12 is detachably connected to the device part 2.
  • corresponding contacts 9 are present both on the device part 2 and on the connecting piece 12.
  • the hearing aid device 1 further comprises a battery 14 for powering the electronic components of the hearing aid 1 and a switch 15 with which the hearing aid is switched on and off and different hearing programs for adjusting the signal processing unit 7 can be set to different listening environments.
  • the signal processing unit 7 of the hearing aid 1 is programmable. As a result, the signal processing in the signal processing unit 7 can be adapted to the individual hearing loss of a user. In addition, an adaptation of the signal processing unit 7 to the electronic components used in the hearing aid device 1 and in particular the handset 10 used is possible.
  • the hearing aid device 1 comprises a connection unit 20, which in FIG. 2 is explained in more detail.
  • FIG. 2 shows a schematic representation of the connection unit 20 of the hearing aid 1, which can be connected to headphones of different types and automatically recognizes the respective handset type.
  • the connection unit 20 comprises connection sockets 21 and 22 into which connection pins A and B of a receiver 10 can be inserted.
  • the connection pins A and B may differ in their length.
  • a handset 10 with a long pin A and a short pin B is connected to the connector 20.
  • this is a type "T3" handset.
  • connection pins A and B contact the contacts KA and KB, respectively, after the insertion of the receiver 10 into the connection unit 20.
  • the miniature switch SA closed by the connection pin A, however, where the miniature switch SB remains open.
  • the evaluation logic 23 converts the detected switch positions into logic levels, which are transmitted via an interface 24 and the lines 13 and 8 to the signal processing unit 7 of the hearing aid device 1.
  • the signal processing unit 7 corresponding parameters are generated on the basis of the transmitted logic level to the detected handset type and automatically set in the signal processing unit 7.
  • FIGS. 3 to 5 the three other types of listeners distinguishable with two connection pins A and B, which can each have two different lengths, are shown. Show FIG. 3 a handset of the type "T2" with a short connection pin A and a long connection pin B, FIG. 4 a handset of the type "T1” with a short connection pin A and a short connection pin B and FIG. 5 a "T4" handset with a long pin A and a long pin B
  • FIG. 6 shows to further illustrate the automatic handset-type detection in tabular form an assignment of the switch positions of the switches SA and SB to the respective, of the hearing aid 1 automatically detectable handset types.
  • the assignment according to the table shown corresponds to the assignment of the types of listeners according to the FIGS. 2 to 5 .
  • the corresponding switch SA or SB remains open in the socket 21 or 22 (corresponding to the entry "open” in the table according to FIG. 6 )
  • the corresponding switch SA or SB in the socket 21 or 22 is closed (corresponding to the entry "close” in the table according to FIG. 6 ).
  • connection pins A and B Due to the special mechanical design of the connection pins A and B, four different types of listener are thus reliably detected in conjunction with the evaluation logic 23. As a result, the signal processing of the relevant hearing aid device can be automatically adapted to the particular type of handset used. Thus, by the invention erroneous Settings regarding the handset used prevented.
  • the evaluation logic can also be located in the device part 2 of the hearing aid device 1, preferably integrated in the signal processing unit 7.
  • FIG. 7 shows an alternative embodiment of the connection unit 20 '.
  • a multi-stage contact arrangement with consecutive contacts KA1 ', KA2' or KB1 ', KB2' in the connection sockets 21 'and 22' used.
  • the lengths of the connection pins A and B of the handset 10 used can be determined, for example, by testing whether an electrical connection exists between the contacts KA1 ', KA2' or KB1 ', KB2'. The test can be done, for example, after each turn on the hearing aid in question before an electrical output signal is delivered to the handset 10.
  • the evaluation is preferably carried out by means of a Ausncelogik 23 ', which is located in the embodiment directly in the terminal unit 20'.
  • the exemplary embodiments show only a small selection of possible mechanical characteristics which are automatically detected by the hearing aid device or a programming device which can be connected thereto by means of corresponding sensors can be used in corresponding values of parameters for adapting the signal processing in the hearing aid to the listener used.

Description

Die Erfindung betrifft ein Hörhilfegerätesystem, umfassend wenigstens ein Hörhilfegerät mit einem Eingangswandler zur Aufnahme eines Eingangssignals und Wandlung in ein elektrisches Eingangssignals, einer Signalverarbeitungseinheit zur Verarbeitung und Verstärkung des elektrischen Eingangssignals und Abgabe eines elektrischen Ausgangssignals und einem Hörer zur Wandlung des elektrischen Ausgangssignals in ein akustisches Ausgangssignal.The invention relates to a hearing aid system comprising at least one hearing aid with an input transducer for receiving an input signal and conversion to an electrical input signal, a signal processing unit for processing and amplification of the electrical input signal and output of an electrical output signal and a receiver for converting the electrical output signal into an acoustic output signal ,

Hörhilfegeräte werden in unterschiedlichen Leistungsklassen angeboten. Diese unterscheiden sich insbesondere durch den jeweils verwendeten Hörer-Typ, von dem die maximale Ausgangsleistung und der maximal erzeugbare Schalldruckpegel abhängen. Bei hinter dem Ohr tragbaren Hörhilfegeräten, bei denen sich der Hörer bei getragenem Hörhilfegerät in einem Ohrstück im Ohrkanal des Benutzers befindet, sogenannte RIC-BTE- (Receiver-in-Canal-behind-the-Ear-) Hörgeräte, können unterschiedlich leistungsfähige Hörgeräte in einfacher Weise durch die Verwendung unterschiedlicher Ohrstücke mit unterschiedlichen Hörern erzeugt werden. In der Regel ist das Ohrstück mittels Steckverbindung lösbar mit dem Hörgerätegehäuse verbunden, so dass ein Austausch beispielsweise durch den Akustiker erfolgen kann. In diesem Zusammenhang ist es wichtig, dass auch die Signalverarbeitungseinheit des betreffenden Hörhilfegerätes an den verwendeten Hörer angepasst wird. Ist die Verstärkung eines akustischen Eingangssignals durch das Hörhilfegerät nicht an den verwendeten Hörer angepasst, kann unter Umständen eine Überschreitung der Unbehaglichkeitsschwelle des Benutzers, ja sogar eine Schädigung des Gehörs erfolgen. Daher besteht der Wunsch, dass eine automatische Anpassung der Signalverarbeitung und insbesondere der Verstärkung an den verwendeten Hörer erfolgt.Hearing aids are offered in different performance classes. These differ in particular by the particular type of handset used, on which the maximum output power and the maximum sound pressure level that can be generated depend. In behind the ear portable hearing aids, in which the listener is worn with hearing aid in an ear piece in the ear canal of the user, so-called RIC-BTE (receiver-in-canal behind-the-ear) hearing aids, different powerful hearing aids in be easily generated by the use of different ear pieces with different listeners. In general, the earpiece is releasably connected by means of plug connection with the hearing aid housing, so that an exchange can be made for example by the acoustician. In this context, it is important that the signal processing unit of the hearing aid in question is adapted to the handset used. If the amplification of an acoustic input signal by the hearing aid device is not adapted to the handset used, it may happen that the user's discomfort threshold is exceeded, or even damage to the hearing. Therefore, there is a desire that an automatic adaptation of the signal processing and in particular the amplification takes place at the listener used.

Aus der CH 673 366 A5 ist ein Hörgerät mit Stellern zum Verändern der Signalübertragungseigenschaften des Hörgerätes bekannt. Das bekannt Hörgerät kann mit einer unterschiedlichen Anzahl an Stellern bestückt werden und es können einem Steller unterschiedliche Steller-Funktionen zugewiesen werden. Die Steller umfassen Steller-Kontakte, die mit einer Platine des Hörgerätes verlötet sind. Für Hörgeräte mit unterschiedlichen Steller-Funktionen sind die Steller mit unterschiedlichen Abdeckhauben abdeckbar, die Kontaktelemente in unterschiedlich kodierter Form umfassen. Insbesondere werden unterschiedlichen Stellern durch die Anzahl der Kontaktzungen der den Stellern jeweils zugewiesenen Kontaktelemente unterschiedliche Steller-Funktionen zugeordnet.From the CH 673 366 A5 is a hearing aid with actuators for changing the signal transmission characteristics of the hearing aid known. The known hearing aid can be equipped with a different number of actuators and it can be assigned to a controller different actuator functions. The actuators include actuator contacts, which are soldered to a circuit board of the hearing aid. For hearing aids with different actuator functions, the actuators are coverable with different covers, which comprise contact elements in different coded form. In particular, different actuators are assigned different actuator functions by the number of contact tongues of the actuators respectively assigned contact elements.

Die WO 99/09799 betrifft ein Hörgerät mit peripheren Einheiten, wobei mindestens ein Teil der peripheren Einheiten eine Identifikationseinheit umfasst. Bei der Identifikationseinheit handelt es sich um einen Identifikationsspeicher, auf dem Informationen abgelegt sind.The WO 99/09799 relates to a hearing aid with peripheral units, wherein at least a part of the peripheral units comprises an identification unit. The identification unit is an identification memory on which information is stored.

Das Dokument US 2003/0086582 A1 betrifft ein Hörgerät, das in zwei Module gegliedert ist: ein erstes Modul mit Energieversorgung und Hörer und ein zweites Modul mit Mikrofon und Signalverarbeitungseinheit. In einer Ausführungsform weist das erste Modul eine Kodierungseinheit auf und das zweite Modul einen komplementären Dekodierungseinheit. Dazu ist angegeben, dass die Kodierungseinheit ein Speicher oder eine mechanische Kodierungseinheit aus Vorsprüngen und Erhebungen sein kann.The document US 2003/0086582 A1 relates to a hearing aid which is divided into two modules: a first module with power supply and receiver and a second module with microphone and signal processing unit. In one embodiment, the first module has a coding unit and the second module has a complementary decoding unit. It is indicated that the coding unit may be a memory or a mechanical coding unit of projections and elevations.

Die WO 2007/045254 A1 betrifft ein austauschbares akustisches System , welches Schall von einem Hörer in dem Hörgerät in das Ohr des Trägers überträgt. Das akustische System weist eine Kodierung auf, welche die akustischen Eigenschaften des akustischen Systems angibt. Als Kodierung sind eine Vielzahl an leitenden Bereichen und deren Widerstand angegeben.The WO 2007/045254 A1 relates to an exchangeable acoustic system which transmits sound from a listener in the hearing aid into the ear of the wearer. The acoustic system has a coding which indicates the acoustic properties of the acoustic system. As encoding a variety of conductive areas and their resistance are specified.

Die WO2009/006889 A1 beschreibt ein Hörhilfegerät mit einem Hörer, bei dem das Hörhilfegerät eine Impedanz des Hörers misst und so einen Typ des Hörers identifiziert.The WO2009 / 006889 A1 describes a hearing aid with a handset, in which the hearing aid measures an impedance of the listener and thus identifies a type of the listener.

Aus der US 2004/0081099 A1 ist weiterhin ein Identifikationssystem bekannt, das elektrische Eigenschaften anschließbarer Vorrichtungen ermittelt und anhand der gemessenen Werte die angeschlossene Vorrichtung identifiziert.From the US 2004/0081099 A1 Furthermore, an identification system is known which determines electrical properties of connectable devices and identifies the connected device based on the measured values.

Aufgabe der vorliegenden Erfindung ist es, eine fehlerhafte Anpassung der Signalverarbeitungseinheit eines Hörhilfegerätes an den verwendeten Hörer zu vermeiden.Object of the present invention is to avoid a faulty adaptation of the signal processing unit of a hearing aid to the handset used.

Diese Aufgabe wird durch ein Hörhilfegerät mit den Merkmalen gemäß Anspruch 1 gelöst.This object is achieved by a hearing aid with the features of claim 1.

Die Grundidee der Erfindung besteht darin, Mittel vorzusehen, mittels derer der jeweils im Hörhilfegerät verwendete Hörer-Typ automatisch erkannt werden kann.The basic idea of the invention is to provide means by means of which the type of handset used in each case in the hearing aid can be automatically recognized.

Die Erfindung bietet den Vorteil, dass durch die automatische Erkennung des jeweiligen Hörer-Typs die Wahrscheinlichkeit einer fehlerhaften Anpassung minimiert wird. Der betreffende Hörer-Typ wird automatisch erkannt und auch die Anpassung an den erkannten Hörer-Typ erfolgt vorzugsweise automatisch. Eine fehlerhafte Anpassung der Signalverarbeitungseinheit an den jeweils verwendeten Hörer-Typ wird dadurch weitgehend ausgeschlossen.The invention offers the advantage that the probability of a faulty adaptation is minimized by the automatic recognition of the respective type of handset. The relevant type of handset is automatically detected and the adaptation to the recognized handset type is preferably carried out automatically. A faulty adaptation of the signal processing unit to the particular type of handset used is thereby largely excluded.

Für die Unterscheidung unterschiedlicher Hörer-Typen kommen unterschiedliche Informationsträger in Frage, die eine von dem Hörhilfegerätesystem automatisch erfassbare und für den jeweiligen Hörer-Typ charakteristische Information tragen. Eine besonders einfach zu realisierende Möglichkeit unter Verwendung mechanischer Mittel als Informationsträger besteht in einer bestimmten Ausgestaltung der an einem verwendeten Hörer vorhandenen Anschlusspins und insbesondere in der Verwendung unterschiedlich langer Anschlusspins. Unterschiedliche Längen der Anschlusspins können in einfacher Weise erfasst und daraus unterschiedliche Hörer-Typen abgeleitet werden.For differentiating different types of listeners different information carriers come into question, which carry a automatically detectable by the hearing aid system and characteristic of the respective handset type information. A particularly easy-to-implement possibility using mechanical means as an information carrier consists in a specific embodiment of the connection pins present on a receiver used, and in particular in the use of connecting pins of different lengths. different Lengths of the connection pins can be detected in a simple manner and from this different types of handset can be derived.

In einer besonders vorteilhaften Ausgestaltung der Erfindung verfügt das Hörhilfegerät selbst über die erforderlichen Mittel zum automatischen Erkennen des verwendeten Hörer-Typs. Es ist aber auch möglich, dass das Hörhilfegerätesystem gemäß der Erfindung neben dem wenigstens einen Hörhilfegerät ein Programmiergerät zur Programmierung und/oder Anpassung des betreffenden Hörhilfegerätes umfasst und die Mittel zum automatischen Erkennen des verwendeten Hörer-Typs zumindest teilweise in das Programmiergerät ausgelagert sind. So ist es beispielsweise möglich, dass das Hörhilfegerät lediglich über elektrische Kontakte und Leitungen verfügt, die eine Verbindung eines dem verwendeten Hörer zugeordneten Widerstandes mit dem Programmiergerät erlauben, die Ermittlung des Widerstandswertes und die damit verbundene automatische Erkennung des Hörer-Typs jedoch in dem Programmiergerät erfolgen. Ferner ist es möglich, dass das Hörhilfegerät über Mittel zum Erfassen einer für den jeweiligen Hörer charakteristischen Information umfasst, wobei im Hörhilfegerät dann jedoch lediglich Daten bezüglich dieser Information gespeichert werden, die aus dem Hörgerät ausgelesen werden können, und die Auswertung dieser Daten außerhalb des Hörgerätes, z.B. in dem Programmiergerät erfolgt.In a particularly advantageous embodiment of the invention, the hearing aid itself has the necessary means for automatically detecting the type of handset used. But it is also possible that the hearing aid system according to the invention in addition to the at least one hearing aid includes a programmer for programming and / or adjustment of the hearing aid in question and the means for automatically detecting the type of handset used are at least partially outsourced to the programmer. So it is possible, for example, that the hearing aid has only electrical contacts and lines that allow a connection of the listener associated resistance with the programmer, the determination of the resistance value and the associated automatic detection of the handset type but done in the programmer , Furthermore, it is possible that the hearing aid device comprises means for detecting a characteristic for the respective listener information, wherein the hearing aid then only data on this information are stored, which can be read from the hearing aid, and the evaluation of this data outside the hearing aid , eg in the programmer.

Ebenso wie das automatische Erkennen des verwendeten Hörer-Typs erfolgt auch die automatisch Anpassung der Signalverarbeitungseinheit des Hörhilfegerätes an den erkannten Hörer-Typ vorzugsweise selbsttätig durch das Hörhilfegerät. Dadurch ist gewährleistet, dass die Signalverarbeitungseinheit des Hörhilfegerätes auch nach einem Austausch des verwendeten Hörers stets korrekt an den jeweiligen Hörer-Typ angepasst ist.As well as the automatic recognition of the type of handset used, the automatic adaptation of the signal processing unit of the hearing aid to the recognized handset type preferably also takes place automatically by the hearing aid. This ensures that the signal processing unit of the hearing aid is always correctly adapted to the particular type of earphone even after an exchange of the handset used.

Neben der automatischen Anpassung der Signalverarbeitung an den verwendeten Hörer durch das Hörhilfegerät selbst kann die Information über den verwendeten Hörer-Typ auch in einem mit dem betreffenden Hörhilfegerät verbundenen Programmiergerät ausgewertet und gegebenenfalls angezeigt werden. Entsprechende Einstellungen können dann manuell von dem Bediener des Programmiergerätes vorgenommen werden. Vorteilhaft erfolgt jedoch eine automatische Anpassung der Signalverarbeitungseinheit des Hörhilfegerätes an den verwendeten Hörer durch das Programmiergerät. Fehlerhafte Einstellungen werden damit auch bei der Bedienung des Anpassgerätes weitgehend vermieden.In addition to the automatic adjustment of the signal processing to the handset used by the hearing aid itself, the information about the type of handset used in a with the associated hearing aid connected programmer and optionally displayed. Corresponding settings can then be made manually by the operator of the programming device. Advantageously, however, there is an automatic adaptation of the signal processing unit of the hearing aid to the handset used by the programmer. Incorrect settings are thus largely avoided when operating the fitting device.

Die Erfindung kann besonders vorteilhaft bei einem hinter dem Ohr tragbaren Hörhilfegerät verwendet werden, bei dem sich der Hörer in einem in dem Ohr tragbaren Ohrstück befindet (RIC-BTE). Da bei diesen Hörhilfegeräten das Ohrstück mit dem Hörer in der Regel lösbar mit dem hinter dem Ohr tragbaren Gehäuse des Hörhilfegerätes verbunden ist, kann der Hörer besonders einfach ausgetauscht werden. Damit steigt jedoch auch die Gefahr, dass die Signalverarbeitung in einem betreffenden Hörhilfegerät nicht ordnungsgemäß an den verwendeten Hörer angepasst wird. Eine automatische Erkennung des verwendeten Hörer-Typs sowie eine automatische Anpassung der Signalverarbeitungseinheit gemäß der Erfindung wirken dieser Gefahr entgegen.The invention can be used particularly advantageously in a behind-the-ear hearing aid device in which the earpiece is located in an earpiece that can be worn in the ear (RIC-BTE). Since in these hearing aids the earpiece with the handset is usually detachably connected to the portable behind the ear housing of the hearing aid, the handset can be easily replaced. However, this also increases the risk that the signal processing in a hearing aid in question will not be properly adapted to the handset used. Automatic recognition of the type of handset used and automatic adaptation of the signal processing unit according to the invention counteract this danger.

Weiterhin kann die Erfindung besonders vorteilhaft bei allen modular aufgebauten Hörgeräten verwendet werden, bei denen ein Hörermodul lösbar mit dem Hörhilfegerät verbindbar ist. Dabei kann es sich sowohl um ein in dem Ohr tragbares Hörhilfegerät (IdO) als auch ein hinter dem Ohr tragbares Hörhilfegerät (HdO) handeln.Furthermore, the invention can be used particularly advantageously in all modular hearing aids in which a receiver module can be detachably connected to the hearing aid. This can be both a hearing aid (IdO) that can be worn in the ear and a hearing aid (BTE) that can be worn behind the ear.

Die Erfindung wird nachfolgend anhand von Ausführungsbeispielen näher erläutert. Es zeigen:

Figur 1
ein hinter dem Ohr tragbares Hörhilfegerät mit einem in dem Ohr tragbaren Ohrstück,
Figur 2
eine Anschlusseinheit für Hörer unterschiedlichen Typs,
Figuren 3 bis 5
Hörer unterschiedlichen Typs,
Figur 6
eine Tabelle für die Auswertelogik der Hörer-Anschlusseinheit gemäß Figur 2,
Figur 7
eine Hörer-Anschlusseinheit mit mehrstufigen Kontakten.
The invention will be explained in more detail with reference to embodiments. Show it:
FIG. 1
a behind the ear portable hearing aid with a portable in the ear earpiece,
FIG. 2
a connection unit for earphones of different types,
FIGS. 3 to 5
Handset of different types,
FIG. 6
a table for the evaluation logic of the handset connection unit according to FIG. 2 .
FIG. 7
a handset connection unit with multi-level contacts.

Figur 1 zeigt ein Hörhilfegerätesystem gemäß der Erfindung, welches lediglich ein Hörhilfegerät 1 mit einem hinter dem Ohr tragbaren Geräteteil 2 und einem in dem Ohr tragbaren Ohrstück 3 umfasst. Zur Aufnahme eines akustischen Eingangssignals und Wandlung in ein elektrisches Eingangssignal ist das Mikrofon 4 mit der Schalleintrittsöffnung 5 vorhanden. Dieses ist mittels elektrischer Leitungen 6 mit einer Signalverarbeitungseinheit 7 verbunden. In der Signalverarbeitungseinheit 7 wird das von dem Mikrofon 4 abgegebene elektrische Eingangssignal in Abhängigkeit von der Signalfrequenz verarbeitet und verstärkt und über elektrische Leitungen 8 und 13 sowie Kontakte 9 einem Hörer 10 zugeführt, der das von der Signalverarbeitungseinheit 7 erzeugte elektrische Ausgangssignal in ein akustisches Ausgangssignal wandelt und über einen Schallkanal 11 in den Gehörgang eines Benutzers abgibt. Bei dem Hörhilfegerät 1 gemäß dem Ausführungsbeispiel befindet sich der Hörer 10 in dem Ohrstück 3. Es handelt sich demnach bei dem Hörhilfegerät 1 gemäß dem Ausführungsbeispiel um ein sogenanntes RIC-BTE. Zur Verbindung des hinter dem Ohr tragbaren Geräteteils 2 mit dem im Ohr tragbaren Ohrstück 3 ist ein Verbindungsstück 12 vorhanden, in dem die elektrischen Leitungen 13 zur Verbindung der Signalverarbeitungseinheit 7 mit dem Hörer 10 verlaufen. Das Verbindungsstück 12 ist lösbar mit dem Geräteteil 2 verbunden. Hierfür sind sowohl an dem Geräteteil 2 als auch an dem Verbindungsstück 12 entsprechende Kontakte 9 vorhanden. FIG. 1 shows a hearing aid device according to the invention, which comprises only a hearing aid 1 with a portable behind the ear device part 2 and a portable ear in the ear 3 piece. To record an acoustic input signal and conversion into an electrical input signal, the microphone 4 with the sound inlet opening 5 is present. This is connected by means of electrical lines 6 to a signal processing unit 7. In the signal processing unit 7, the output from the microphone 4 electrical input signal is processed and amplified in response to the signal frequency and supplied via electrical lines 8 and 13 and contacts 9 to a handset 10, which converts the electrical output signal generated by the signal processing unit 7 into an acoustic output signal and emits a sound channel 11 in the ear canal of a user. In the hearing aid device 1 according to the exemplary embodiment, the earpiece 10 is located in the earpiece 3. Accordingly, the hearing aid device 1 according to the exemplary embodiment is a so-called RIC-BTE. To connect the behind the ear portable device part 2 with the ear piece 3, which is portable in the ear, there is a connecting piece 12, in which the electrical leads 13 for connecting the signal processing unit 7 to the handset 10 extend. The connector 12 is detachably connected to the device part 2. For this purpose, corresponding contacts 9 are present both on the device part 2 and on the connecting piece 12.

Das Hörhilfegerät 1 gemäß dem Ausführungsbeispiel umfasst ferner eine Batterie 14 zur Spannungsversorgung der elektronischen Komponenten des Hörhilfegerätes 1 sowie einen Schalter 15, mit dem das Hörhilfegerät ein- und ausgeschaltet wird und unterschiedliche Hörprogramme zur Anpassung der Signalverarbeitungseinheit 7 an unterschiedliche Hörumgebungen eingestellt werden können.The hearing aid device 1 according to the embodiment further comprises a battery 14 for powering the electronic components of the hearing aid 1 and a switch 15 with which the hearing aid is switched on and off and different hearing programs for adjusting the signal processing unit 7 can be set to different listening environments.

Die Signalverarbeitungseinheit 7 des Hörhilfegerätes 1 ist programmierbar. Dadurch kann die Signalverarbeitung in der Signalverarbeitungseinheit 7 an den individuellen Hörverlust eines Benutzers angepasst werden. Darüber hinaus ist eine Anpassung der Signalverarbeitungseinheit 7 an die bei dem Hörhilfegerät 1 verwendeten elektronischen Bauteile und insbesondere den verwendeten Hörer 10 möglich. Zum automatischen Erkennen des in dem Hörhilfegerät 1 verwendeten Hörer-Typs umfasst das Hörhilfegerät 1 eine Anschlusseinheit 20, die in Figur 2 näher erläutert ist.The signal processing unit 7 of the hearing aid 1 is programmable. As a result, the signal processing in the signal processing unit 7 can be adapted to the individual hearing loss of a user. In addition, an adaptation of the signal processing unit 7 to the electronic components used in the hearing aid device 1 and in particular the handset 10 used is possible. For the automatic recognition of the type of handset used in the hearing aid device 1, the hearing aid device 1 comprises a connection unit 20, which in FIG FIG. 2 is explained in more detail.

Figur 2 zeigt in schematischer Darstellung die Anschlusseinheit 20 des Hörhilfegerätes 1, die mit Hörern unterschiedlichen Typs verbunden werden kann und die den jeweiligen Hörer-Typ automatisch erkennt. Die Anschlusseinheit 20 umfasst Anschlussbuchsen 21 und 22, in die Anschlusspins A und B eines Hörers 10 einführbar sind. Zur Unterscheidung unterschiedlicher Hörer-Typen können sich die Anschlusspins A und B hinsichtlich ihrer Länge unterscheiden. Um beispielsweise vier unterschiedliche Hörer-Typen mit jeweils zwei Anschlusspins unterscheiden zu können, sind zwei unterschiedliche Längen der verwendeten Anschlusspins A und B ausreichend. Im Ausführungsbeispiel gemäß Figur 2 wird ein Hörer 10 mit einem langen Anschlusspin A und einem kurzen Anschlusspin B mit der Anschlusseinrichtung 20 verbunden. Es handelt sich dabei exemplarisch um einen Hörer vom Typ "T3". Wie aus der Figur ersichtlich ist, kontaktieren die Anschlusspins A und B nach dem Einführen des Hörers 10 in die Anschlusseinheit 20 die Kontakte KA bzw. KB. Darüber hinaus wird der Miniaturschalter SA durch den Anschlusspin A geschlossen wo hingegen der Miniaturschalter SB geöffnet bleibt. Die Auswertelogik 23 setzt die erkannten Schalterstellungen in logische Pegel um, die über eine Schnittstelle 24 und die Leitungen 13 und 8 an die Signalverarbeitungseinheit 7 des Hörhilfegerätes 1 übermittelt werden. In der Signalverarbeitungseinheit 7 werden anhand der übermittelten Logikpegel zu dem erkannten Hörer-Typ korrespondierende Parameter generiert und in der Signalverarbeitungseinheit 7 automatisch eingestellt. FIG. 2 shows a schematic representation of the connection unit 20 of the hearing aid 1, which can be connected to headphones of different types and automatically recognizes the respective handset type. The connection unit 20 comprises connection sockets 21 and 22 into which connection pins A and B of a receiver 10 can be inserted. To distinguish different types of headphones, the connection pins A and B may differ in their length. For example, to be able to distinguish four different types of earphones with two connection pins each, two different lengths of the connection pins A and B used are sufficient. In the embodiment according to FIG. 2 a handset 10 with a long pin A and a short pin B is connected to the connector 20. By way of example, this is a type "T3" handset. As can be seen from the figure, the connection pins A and B contact the contacts KA and KB, respectively, after the insertion of the receiver 10 into the connection unit 20. In addition, the miniature switch SA closed by the connection pin A, however, where the miniature switch SB remains open. The evaluation logic 23 converts the detected switch positions into logic levels, which are transmitted via an interface 24 and the lines 13 and 8 to the signal processing unit 7 of the hearing aid device 1. In the signal processing unit 7 corresponding parameters are generated on the basis of the transmitted logic level to the detected handset type and automatically set in the signal processing unit 7.

In den Figuren 3 bis 5 sind die drei weiteren mit zwei Anschlusspins A und B, die jeweils zwei unterschiedliche Längen aufweisen können, unterscheidbaren Hörer-Typen dargestellt. Dabei zeigen Figur 3 einen Hörer des Typs "T2" mit einem kurzen Anschlusspin A und einem langen Anschlusspin B, Figur 4 einen Hörer des Typs "T1" mit einem kurzen Anschlusspin A und einem kurzen Anschlusspin B und Figur 5 einen Hörer des Typs "T4" mit einem langen Anschlusspin A und einem langen Anschlusspin B.In the FIGS. 3 to 5 the three other types of listeners distinguishable with two connection pins A and B, which can each have two different lengths, are shown. Show FIG. 3 a handset of the type "T2" with a short connection pin A and a long connection pin B, FIG. 4 a handset of the type "T1" with a short connection pin A and a short connection pin B and FIG. 5 a "T4" handset with a long pin A and a long pin B

Figur 6 zeigt zur weiteren Verdeutlichung der automatischen Hörer-Typ-Erkennung in tabellarischer Form eine Zuordnung der Schalterstellungen der Schalter SA und SB zu den jeweiligen, von dem Hörhilfegerät 1 automatisch erkennbaren Hörer-Typen. Die Zuordnung gemäß der gezeigten Tabelle entspricht der Zuordnung der Hörertypen gemäß den Figuren 2 bis 5. Bei einem kurzen Anschlusspin A bzw. B bleibt der korrespondierende Schalter SA bzw. SB in der Buchse 21 bzw. 22 geöffnet (entsprechend dem Eintrag "open" in der Tabelle gemäß Figur 6), bei einem langen Anschlusspin A bzw. B ist der korrespondierende Schalter SA bzw. SB in der Buchse 21 bzw. 22 geschlossen (entsprechend dem Eintrag "close" in der Tabelle gemäß Figur 6). Durch die spezielle mechanische Ausgestaltung der Anschlusspins A und B werden somit in Verbindung mit der Auswertelogik 23 vier unterschiedliche Hörer-Typen zuverlässig erkannt. Dadurch kann die Signalverarbeitung des betreffenden Hörhilfegerätes automatisch an den jeweils verwendeten Hörer-Typ angepasst werden. So werden durch die Erfindung fehlerhafte Einstellungen bezüglich des verwendeten Hörers verhindert. FIG. 6 shows to further illustrate the automatic handset-type detection in tabular form an assignment of the switch positions of the switches SA and SB to the respective, of the hearing aid 1 automatically detectable handset types. The assignment according to the table shown corresponds to the assignment of the types of listeners according to the FIGS. 2 to 5 , In the case of a short connection pin A or B, the corresponding switch SA or SB remains open in the socket 21 or 22 (corresponding to the entry "open" in the table according to FIG FIG. 6 ), with a long connection pin A or B, the corresponding switch SA or SB in the socket 21 or 22 is closed (corresponding to the entry "close" in the table according to FIG. 6 ). Due to the special mechanical design of the connection pins A and B, four different types of listener are thus reliably detected in conjunction with the evaluation logic 23. As a result, the signal processing of the relevant hearing aid device can be automatically adapted to the particular type of handset used. Thus, by the invention erroneous Settings regarding the handset used prevented.

Alternativ zu dem gezeigten Ausführungsbeispiel kann sich die Auswertelogik auch in dem Geräteteil 2 des Hörhilfegerätes 1, vorzugsweise integriert in der Signalverarbeitungseinheit 7, befinden.As an alternative to the exemplary embodiment shown, the evaluation logic can also be located in the device part 2 of the hearing aid device 1, preferably integrated in the signal processing unit 7.

Figur 7 zeigt eine alternative Ausgestaltung der Anschlusseinheit 20'. Im Unterschied zu dem Ausführungsbeispiel gemäß Figur 2 wird hierbei eine mehrstufige Kontaktanordnung mit hintereinander liegenden Kontakte KA1', KA2' bzw. KB1', KB2' in den Anschlussbuchsen 21' bzw. 22' verwendet. Die Längen der Anschlusspins A und B des verwendeten Hörers 10 können dabei z.B. dadurch ermittelt werden, dass geprüft wird, ob zwischen den Kontakten KA1', KA2' bzw. KB1', KB2' jeweils eine elektrische Verbindung besteht. Die Prüfung kann beispielsweise nach jedem Einschalten des betreffenden Hörhilfegerätes erfolgen, bevor ein elektrisches Ausgangssignal an den Hörer 10 abgegeben wird. Auch bei dieser Ausführungsform erfolgt die Auswertung vorzugweise mittels einer Auswertelogik 23', die sich im Ausführungsbeispiel direkt in der Anschlusseinheit 20' befindet. FIG. 7 shows an alternative embodiment of the connection unit 20 '. In contrast to the embodiment according to FIG. 2 In this case, a multi-stage contact arrangement with consecutive contacts KA1 ', KA2' or KB1 ', KB2' in the connection sockets 21 'and 22' used. The lengths of the connection pins A and B of the handset 10 used can be determined, for example, by testing whether an electrical connection exists between the contacts KA1 ', KA2' or KB1 ', KB2'. The test can be done, for example, after each turn on the hearing aid in question before an electrical output signal is delivered to the handset 10. Also in this embodiment, the evaluation is preferably carried out by means of a Auswertelogik 23 ', which is located in the embodiment directly in the terminal unit 20'.

Die Ausführungsbeispiele zeigen nur eine kleine Auswahl möglicher mechanischer Ausprägungen, die von dem Hörhilfegerät bzw. einem damit verbindbaren Programmiergerät mittels entsprechender Sensoren automatisch erkannt und in entsprechende Werte von Parametern zur Anpassung der Signalverarbeitung in dem Hörhilfegerät an den verwendeten Hörer herangezogen werden können.The exemplary embodiments show only a small selection of possible mechanical characteristics which are automatically detected by the hearing aid device or a programming device which can be connected thereto by means of corresponding sensors can be used in corresponding values of parameters for adapting the signal processing in the hearing aid to the listener used.

Claims (6)

  1. Hearing aid system, comprising at least one hearing aid (1) having an input transducer for picking up an input signal and conversion to an electrical input signal, a signal processing unit (7) for processing and amplifying the electrical input signal and outputting an electrical output signal, and a receiver (10) for converting the electrical output signal into an audible output signal, wherein the hearing aid system comprises means for automatically recognizing a receiver type that is used in the hearing aid (1), wherein different receiver types each have at least one associated mechanical manifestation that is characteristic of the respective receiver type, and the hearing aid system comprises means for recognizing the receiver type used in the hearing aid on the basis of the mechanical manifestation,
    characterized in that
    the receiver (10) has receiver connection pins (A, B) for making electrical contact and the hearing aid system comprises means for recognizing the receiver type used in the hearing aid on the basis of different lengths of the receiver connection pins (A, B), and
    the hearing aid (1) comprises a multilevel contact arrangement for distinguishing between different lengths of the receiver connection pins (A, B).
  2. Hearing aid system according to Claim 1, which comprises means for automatically matching the signal processing unit (7) to the recognized receiver type.
  3. Hearing aid system according to Claim 2, wherein the automatic matching of the signal processing unit is effected by the hearing aid (1) itself.
  4. Hearing aid system according to Claim 2, comprising a programming device that can be connected to the hearing aid, wherein the automatic matching of the signal processing unit unit is effected by the programming device.
  5. Hearing aid system according to one of Claims 1 to 4, wherein the hearing aid (1) is in the form of a behind-the-ear hearing aid (1) having an earmould (3), in which the receiver (10) is arranged, that projects into the auditory canal.
  6. Hearing aid system according to one of Claims 1 to 5, wherein the receiver (10) can be detachably connected to the hearing aid (1) or the earmould (3).
EP08104991.8A 2007-08-21 2008-08-08 Automatic earpiece-type detection in hearing aids Not-in-force EP2028880B1 (en)

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DE102007039452B3 (en) 2009-06-04
US9319801B2 (en) 2016-04-19
EP2028880A2 (en) 2009-02-25
EP2028880A3 (en) 2012-09-26

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