EP2114090B1 - Circuit for operating a hearing device and hearing device - Google Patents

Circuit for operating a hearing device and hearing device

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Publication number
EP2114090B1
EP2114090B1 EP09158350A EP09158350A EP2114090B1 EP 2114090 B1 EP2114090 B1 EP 2114090B1 EP 09158350 A EP09158350 A EP 09158350A EP 09158350 A EP09158350 A EP 09158350A EP 2114090 B1 EP2114090 B1 EP 2114090B1
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EP
European Patent Office
Prior art keywords
operating parameter
hearing device
hearing
matching
operating
Prior art date
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Active
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EP09158350A
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German (de)
French (fr)
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EP2114090A1 (en
Inventor
Roland Barthel
Robert BÄUML
Dirk Junius
Maja Serman
Nadine Seubert
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Sivantos Pte Ltd
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Siemens Medical Instruments Pte Ltd
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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
    • H04R25/70—Adaptation of deaf aid to hearing loss, e.g. initial electronic fitting
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/39—Aspects relating to automatic logging of sound environment parameters and the performance of the hearing aid during use, e.g. histogram logging, or of user selected programs or settings in the hearing aid, e.g. usage logging
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/41—Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest
    • 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
    • H04R25/35—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using translation techniques
    • H04R25/356—Amplitude, e.g. amplitude shift or compression

Definitions

  • Hearing aids are technical aids that compensate for congenital or acquired impairments of hearing that are inaccessible to causal therapy.
  • Hearing aids amplify and modulate the sound, ie the acoustic signal, in front of the actual sensory organ of the ear, the inner ear.
  • Hearing devices consist of one or more microphones, an electronic circuit having at least one analog or digital amplifier, and one or more speakers and a power source for supplying these components.
  • a hearing care professional will individually determine the audiometric characteristics of the hearing for each patient and will thereby make the optimum adjustment of the operating parameter (s) of the hearing aid. In this case, an optimal speech intelligibility is usually sought. However, the damaged hearing is in many cases particularly sensitive to increased output levels. If the damaged hearing is supplied with a hearing aid adapted for optimal speech intelligibility, the patient feels this as uncomfortable and may not use the hearing aid.
  • the object of the present invention is to provide an improved circuit for a hearing aid, which performs a hearing aid training towards a goal situation determined by the hearing care professional as optimal, which is not influenced by the hearing aid wearer or by the hearing care professional (fine) settings and this not affected.
  • a circuit with a control unit which performs the adjustment of the operating parameter (s) in periods of time in which the operating parameters are often influenced by the operating element and / or data processing device, with low matching rate and in periods in which the Operating parameters rarely or not at all influenced by the control element and / or data processing device, performs with higher matching rate.
  • the present invention further relates to a hearing aid with such a circuit.
  • Fig. 1 shows a circuit of a hearing aid in a schematic representation.
  • the reference numeral 1 in Fig. 1 indicates the hearing aid in its entirety. It comprises a microphone 2 and a hearing coil 3, which are each connectable by means of an operating switch 11 with an amplifier module.
  • the amplifier module comprises a preamplifier 4, a Compression circuit 5, for example, a so-called AGC (Automatic Gain Control) circuit with a certain threshold and certain compression ratio, and a sound filter. 6
  • AGC Automatic Gain Control
  • a power amplifier 7, which is connected to the handset 8, as well as a Ohrpnature committee 9 is provided.
  • a battery 10 supplies via an on / off switch 19, the hearing aid 1 with electrical energy.
  • the volume of the hearing aid 1 can be adjusted to a volume control 18.
  • the controller 12 is in communication with an input unit 16.
  • the hearing aid 1 comprises a control unit 12, which cooperates with a memory arrangement consisting of the memory 13 for an operating parameter setting of the initial situation and a memory 14 of the operating parameter setting of the target situation.
  • the operating parameters to be adjusted are preferably the amount of preamplification, the size of the compression ratio, the threshold value and / or the time constant of the compression circuit, and / or the frequency bandwidth which adjusts the sound to the individual hearing and / or the max. Output level.
  • the adjustment of the operating parameters can be done either individually or together.
  • the hearing aid wearer can adjust the sound output of the hearing aid 1 its needs, as well as the input unit 16, which the recording of parameters of a external data processing device, such as a PC, by a Hearing acousticians allow, which in this way can make the (fine) adjustment of the hearing aid.
  • a low match rate may be achieved by making the time intervals at which the match steps are performed longer than usual.
  • a low adjustment rate can also be achieved by reducing the weighting with which the adjustment process exerts influence on the operating parameters to be adjusted.
  • normal adjustment rate is understood here as meaning the adjustment rate which a conventional hearing device uses with continuous adaptation of the operating parameters of the initial situation to the target situation.

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)
  • Circuit For Audible Band Transducer (AREA)

Description

Hörgeräte sind technische Hilfen, die angeborene oder erworbene Hörfunktionsminderungen, die einer kausalen Therapie nicht zugänglich sind, ausgleichen. Hörgeräte verstärken und modulieren den Schall, also das akustische Signal, vor dem eigentlichen Sinnesorgan des Ohres, dem Innenohr. Hörgeräte bestehen dabei aus einem oder mehreren Mikrofonen, einer elektronischen Schaltung, die zumindest einen analogen oder digitalen Verstärker aufweist, und einem oder mehreren Lautsprechern sowie einer Energiequelle zur Versorgung dieser Komponenten.Hearing aids are technical aids that compensate for congenital or acquired impairments of hearing that are inaccessible to causal therapy. Hearing aids amplify and modulate the sound, ie the acoustic signal, in front of the actual sensory organ of the ear, the inner ear. Hearing devices consist of one or more microphones, an electronic circuit having at least one analog or digital amplifier, and one or more speakers and a power source for supplying these components.

Ein Hörgeräteakustiker stellt für jeden Patienten individuell die audiometrischen Kenndaten des Gehörs fest und nimmt anhand dessen die optimale Einstellung des oder der Betriebsparameter des Hörgeräts vor. Hierbei wird in der Regel eine optimale Sprachverständlichkeit angestrebt. Allerdings ist das geschädigte Gehör in vielen Fällen besonders empfindlich gegenüber erhöhten Ausgangspegeln. Wird das geschädigte Gehör mit einem für eine optimale Sprachverständlichkeit angepaßten Hörgerät versorgt, empfindet der Patient dies als unbehaglich und wird unter Umständen das Hörgerät nicht benutzen.A hearing care professional will individually determine the audiometric characteristics of the hearing for each patient and will thereby make the optimum adjustment of the operating parameter (s) of the hearing aid. In this case, an optimal speech intelligibility is usually sought. However, the damaged hearing is in many cases particularly sensitive to increased output levels. If the damaged hearing is supplied with a hearing aid adapted for optimal speech intelligibility, the patient feels this as uncomfortable and may not use the hearing aid.

Aus der Patentschrift DE 195 42 961 ist ein Hörgerät mit einer Steuereinheit bekannt, welche über ein bestimmtes Zeitintervall die Angleichung der Betriebsparameter des Hörgeräts von einer dem Patienten angenehmen Ausgangssituation hin zu einer vom Hörgeräteakustiker als optimal ermittelten Zielsituation vornimmt. Dieser Anpassungsvorgang, auch als "Training" bezeichnet, erlaubt dem Hörgeräteträger einen angenehmen Einstieg in die Benutzung des für ihn neuen Hörgeräts.From the patent DE 195 42 961 a hearing aid with a control unit is known, which over a certain time interval, the adjustment of the operating parameters of the hearing aid from a patient's comfortable initial situation to one of the hearing aid acoustician optimally determined target situation makes. This adaptation process, also referred to as "training", allows the hearing device wearer a pleasant introduction to the use of the new hearing device for him.

Allerdings bieten moderne Hörgeräte dem Hörgeräteträger eine Reihe von Einflußmöglichkeiten, mit denen der Hörgeräteträger seinerseits die Betriebsparameter des Hörgeräts an seine Wünsche und Bedürfnisse anpassen kann. Diese Einflußnahme kann allerdings dem Trainingsziel zuwiderlaufen und im Extremfall dazu führen, daß die manuelle "Korrektur" durch den Hörgeräteträger die durch das Training erreichte Anpassung wieder aufhebt bzw. nachhaltig stört, so daß das Trainingsziel nie erreicht wird.However, modern hearing aids offer the hearing aid wearer a number of possibilities of influence, with which the hearing aid wearer in turn adjusts the operating parameters of the hearing aid to his wishes and adapt to needs. However, this influence can run counter to the training goal and in extreme cases lead to the manual "correction" by the hearing aid wearer canceling out the adaptation achieved by the training or permanently disturbing it, so that the training goal is never reached.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine verbesserte Schaltung für ein Hörgerät anzugeben, welche ein Hörgerätetraining hin zu einer vom Hörgeräteakustiker als optimal ermittelten Zielsituation durchführt, welches durch vom Hörgeräteträger oder vom Hörgeräteakustiker vorgenommene (Fein-) Einstellungen nicht beeinflußt wird und diese auch nicht beeinflußt.The object of the present invention is to provide an improved circuit for a hearing aid, which performs a hearing aid training towards a goal situation determined by the hearing care professional as optimal, which is not influenced by the hearing aid wearer or by the hearing care professional (fine) settings and this not affected.

Diese Aufgabe wird gelöst durch eine Schaltung mit einer Steuereinheit, welche die Angleichung des oder der Betriebsparameter(s) in Zeitabschnitten, in denen die Betriebsparameter oft mittels des Bedienelements und/oder Datenverarbeitungsgeräts beeinflußt werden, mit geringer Angleichrate durchführt und in Zeitabschnitten, in denen die Betriebsparameter selten oder gar nicht mittels des Bedienelements und/oder Datenverarbeitungsgeräts beeinflußt werden, mit höherer Angleichrate durchführt.This object is achieved by a circuit with a control unit, which performs the adjustment of the operating parameter (s) in periods of time in which the operating parameters are often influenced by the operating element and / or data processing device, with low matching rate and in periods in which the Operating parameters rarely or not at all influenced by the control element and / or data processing device, performs with higher matching rate.

Die vorliegende Erfindung betrifft ferner ein Hörgerät mit einer derartigen Schaltung.The present invention further relates to a hearing aid with such a circuit.

Im folgenden werden Ausführungsbeispiele der vorliegenden Erfindung im Zusammenhang mit einer Zeichnung näher erläutert.In the following embodiments of the present invention will be explained in connection with a drawing.

Fig. 1 zeigt eine Schaltung eines Hörgeräts in schematischer Darstellung. Das Bezugszeichen 1 in Fig. 1 bezeichnet dabei das Hörgerät in seiner Gesamtheit. Es umfaßt ein Mikrofon 2 sowie eine Hörspule 3, die jeweils mittels eines Betriebsschalters 11 mit einer Verstärkerbaugruppe verbindbar sind. Die Verstärkerbaugruppe umfaßt einen Vorverstärker 4, eine Kompressionsschaltung 5, beispielsweise eine sogenannte AGC (Automatic Gain Control) Schaltung mit bestimmtem Schwellenwert sowie bestimmtem Kompressionsverhältnis, sowie ein Klangfilter 6.Fig. 1 shows a circuit of a hearing aid in a schematic representation. The reference numeral 1 in Fig. 1 indicates the hearing aid in its entirety. It comprises a microphone 2 and a hearing coil 3, which are each connectable by means of an operating switch 11 with an amplifier module. The amplifier module comprises a preamplifier 4, a Compression circuit 5, for example, a so-called AGC (Automatic Gain Control) circuit with a certain threshold and certain compression ratio, and a sound filter. 6

Des weiteren ist ein Endverstärker 7, welcher mit dem Hörer 8 verbunden ist, sowie ein Ohrpaßstück 9 vorgesehen. Eine Batterie 10 versorgt über einen Ein-/Ausschalter 19 das Hörgerät 1 mit elektrischer Energie. Die Lautstärke des Hörgerätes 1 kann an einem Lautstärkesteller 18 eingestellt werden. Die Steuerung 12 steht mit einer Eingabeeinheit 16 in Verbindung.Furthermore, a power amplifier 7, which is connected to the handset 8, as well as a Ohrpaßstück 9 is provided. A battery 10 supplies via an on / off switch 19, the hearing aid 1 with electrical energy. The volume of the hearing aid 1 can be adjusted to a volume control 18. The controller 12 is in communication with an input unit 16.

Das Hörgerät 1 umfaßt erfindungsgemäß eine Steuereinheit 12, die mit einer Speicheranordnung, bestehend aus dem Speicher 13 für eine Betriebsparametereinstellung der Ausgangssituation sowie einem Speicher 14 der Betriebsparametereinstellung der Zielsituation zusammenwirkt.The hearing aid 1 according to the invention comprises a control unit 12, which cooperates with a memory arrangement consisting of the memory 13 for an operating parameter setting of the initial situation and a memory 14 of the operating parameter setting of the target situation.

Bei den anzupassenden Betriebsparametern handelt es sich vorzugsweise um den Betrag der Vorverstärkung, um die Größe des Kompressionsverhältnisses, des Schwellenwertes und/oder der Zeitkonstanten der Kompressionsschaltung, und/oder um die Frequenzbandbreite, welche den Klang an das individuelle Hörvermögen anpassen, und/oder um den max. Ausgangspegel. Die Angleichung der Betriebsparameter kann entweder einzeln oder zusammen erfolgen.The operating parameters to be adjusted are preferably the amount of preamplification, the size of the compression ratio, the threshold value and / or the time constant of the compression circuit, and / or the frequency bandwidth which adjusts the sound to the individual hearing and / or the max. Output level. The adjustment of the operating parameters can be done either individually or together.

Die Anpassung der einzelnen Betriebsparameter erfolgt nunmehr abhängig von der in einem bestimmten Zeitabschnitt erwarteten oder ermittelten Bedienaktivität.The adaptation of the individual operating parameters now takes place as a function of the expected or determined in a certain period of time operating activity.

Als Bedienelemente kommen beispielsweise der bereits erläuterte Lautstärkesteller 18, aber auch Klangregler und/oder Programmwahlschalter (nicht dargestellt) in Betracht, mit denen der Hörgeräteträger die Tonausgabe des Hörgeräts 1 seinen Bedürfnissen anpassen kann, sowie die Eingabeeinheit 16, welche die Einspielung von Parametern von einem externen Datenverarbeitungsgerät, beispielsweise einem PC, durch einen Hörgeräteakustiker erlauben, welcher auf diese Weise die (Fein-) Anpassung des Hörgeräts vornehmen kann.As controls, for example, the previously described volume control 18, as well as tone controls and / or program selector switch (not shown) into consideration, with which the hearing aid wearer can adjust the sound output of the hearing aid 1 its needs, as well as the input unit 16, which the recording of parameters of a external data processing device, such as a PC, by a Hearing acousticians allow, which in this way can make the (fine) adjustment of the hearing aid.

Wird nun in einem Zeitabschnitt eine hohe Zahl von den Klang und/oder die Lautstärke betreffenden Bedienvorgängen durch die Steuerung 12 registriert, oder findet in einem Zeitabschnitt erfahrungsgemäß eine hohe Anzahl solcher Bedienvorgänge statt (beispielsweise "spielt" ein Hörgeräteträger zunächst mit allen Funktionen seines neuen Hörgeräts, nachdem er dieses erstmalig erhält), erfolgt die Angleichung der Betriebsparameter der Ausgangssituation an die Zielsituation sehr langsam, d.h. mit geringer Angleichrate. Dies hat den Vorteil, daß der Hörgeräteträger nicht versucht, als zu stark empfundene Angleichungsschritte durch entsprechendes Gegenregeln wieder rückgängig zu machen. Andererseits kann der Hörgeräteträger besser beurteilen, ob eine vom Hörgeräteakustiker vorgenommene Feineinstellung geeignet ist oder nicht, wenn der gleichzeitig laufende Angleichungsprozeß nicht zusätzlich noch starke Veränderungen hervorruft.If a high number of operations relating to the sound and / or the volume are now registered by the controller 12 in one time segment, or a high number of such operations takes place in one time segment (for example, a hearing aid wearer first "plays" with all the functions of his new hearing aid after receiving it for the first time), the adjustment of the operating parameters of the initial situation to the target situation takes place very slowly, ie with low adjustment rate. This has the advantage that the hearing aid wearer does not try to undo as over-alignment steps by corresponding counter-rules. On the other hand, the hearing aid wearer can better judge whether a fine adjustment made by the hearing care professional is suitable or not, if the simultaneous adjustment process does not additionally cause great changes.

Eine geringe Angleichrate kann beispielsweise erreicht werden, indem die Zeitintervalle, mit der die Angleichungsschritte durchgeführt werden, länger als üblich gewählt werden. Eine geringe Angleichrate kann ebenfalls erzielt werden, indem die Gewichtung, mit welcher der Angleichungsprozeß Einfluß auf die anzugleichenden Betriebsparameter ausübt, verringert wird.For example, a low match rate may be achieved by making the time intervals at which the match steps are performed longer than usual. A low adjustment rate can also be achieved by reducing the weighting with which the adjustment process exerts influence on the operating parameters to be adjusted.

Wird in einem Zeitabschnitt hingegen eine geringe Zahl von den Klang und/oder die Lautstärke betreffenden Bedienvorgängen durch die Steuerung 12 registriert, oder finden in einem Zeitabschnitt erfahrungsgemäß nur wenige solcher Bedienvorgänge statt, erfolgt die Angleichung der Betriebsparameter der Ausgangssituation an die Zielsituation mit normaler oder erhöhter Angleichrate. Unter normaler Angleichrate wird dabei die Angleichrate verstanden, die ein herkömmliches Hörgerät mit kontinuierlicher Angleichung der Betriebsparameter der Ausgangssituation an die Zielsituation nutzt.If, however, a small number of operations concerning the sound and / or the volume are registered by the controller 12 in a period of time, or if only a few such operations take place in a period of time, the operating parameters of the starting situation are matched to the target situation with normal or increased Angleichrate. The term "normal adjustment rate" is understood here as meaning the adjustment rate which a conventional hearing device uses with continuous adaptation of the operating parameters of the initial situation to the target situation.

Claims (4)

  1. Circuit for operating a hearing device (1) equipped with at least one variable operating parameter, comprising the following:
    - a storage device (13, 14) for storing operating parameter settings in a starting situation as well as in a target situation;
    - a control unit (12), which, over a certain time interval, performs a matching of the operating parameter(s) in accordance with the adjustment of the starting situation to the operating parameter setting of the target situation; and
    - connecting means for connection to at least one control element (18) and/or a data processing device for influencing one or several operating parameters by means of a wearer of the hearing device and/or a hearing device acoustician;
    with the control unit (12) being embodied so as to implement the matching of the operating parameter(s) with a minimal matching rate in time segments, in which the operating parameter(s) are often influenced by means of the control element (18) and/or data processing device, and with a higher matching rate in time segments in which the operating parameter(s) are rarely influenced or not influenced at all by means of the control element and/or data processing device.
  2. Circuit according to claim 1, in which a minimal matching rate is achieved by matching parameters with a minimal weighting being used.
  3. Circuit according to claim 1, in which a minimal matching rate is achieved, by larger time intervals being selected between individual matching steps.
  4. Hearing device (1) comprising a circuit according to one of the preceding claims.
EP09158350A 2008-04-30 2009-04-21 Circuit for operating a hearing device and hearing device Active EP2114090B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008021612 2008-04-30

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EP2114090A1 EP2114090A1 (en) 2009-11-04
EP2114090B1 true EP2114090B1 (en) 2012-06-20

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US10257626B2 (en) 2014-04-04 2019-04-09 Starkey Laboratories, Inc. Fitter defined user controlled adaptation tool for a hearing assistance device

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US8385571B2 (en) 2013-02-26
DK2114090T3 (en) 2012-10-01
US20090274327A1 (en) 2009-11-05
EP2114090A1 (en) 2009-11-04

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