EP1906700B1 - Method for time-controlled adaptation of a hearing device and corresponding hearing device - Google Patents

Method for time-controlled adaptation of a hearing device and corresponding hearing device Download PDF

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Publication number
EP1906700B1
EP1906700B1 EP07117099A EP07117099A EP1906700B1 EP 1906700 B1 EP1906700 B1 EP 1906700B1 EP 07117099 A EP07117099 A EP 07117099A EP 07117099 A EP07117099 A EP 07117099A EP 1906700 B1 EP1906700 B1 EP 1906700B1
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Prior art keywords
hearing
facility
classification
situation
learning
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German (de)
French (fr)
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EP1906700A2 (en
EP1906700A3 (en
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Roland Barthel
Robert BÄUML
Eghart Fischer
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Sivantos GmbH
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Siemens Audioligische Technik GmbH
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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
    • H04R2225/41—Detection or adaptation of hearing aid parameters or programs to listening situation, e.g. pub, forest

Definitions

  • the present invention relates to a method for adjusting a hearing device by automatically classifying a hearing situation, manually setting a parameter of a signal processing device of the hearing device and automatically learning the set parameter for the current hearing situation. Moreover, the present invention relates to a corresponding hearing device.
  • the term hearing device here is understood to mean any portable and non-portable device for acoustic communication, in particular a hearing device, a headset and a headset.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • different types of hearing aids such as behind-the-ear hearing aids (BTE), in-the-ear hearing aids (IDO) and Concha hearing aids are provided.
  • BTE behind-the-ear hearing aids
  • IDO in-the-ear hearing aids
  • Concha hearing aids are provided.
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 using the example of a behind-the-ear hearing aid shown. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed.
  • a signal processing unit 3 which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them.
  • the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
  • the power supply of the hearing device and in particular of the signal processing unit 3 is carried out by a likewise integrated into the hearing aid housing 1 battery. 5
  • the large number of parameters in a hearing aid signal processing and the equally large number of different hearing situations as well as the subjective hearing sensation of a hearing aid wearer require an individual adaptation of the hearing aid parameters to the individual and the corresponding situation. Since this is not fully possible in a short fitting session in a particular situation, it is possible that the user may express himself to a preferred attitude if and when he wishes to change. This is achieved through training, in which the user enters a listening request via program selector switch and volume control, which the device notices in order to proceed as desired in the situation next time.
  • the EP 1 453 357 A2 describes a method for setting a hearing aid, in which the hearing aid wearer manually selects the gain in a certain hearing situation and triggers an adjustment process, so that the hearing situation is physically measured. This results in a new characteristic filter means, so that in a new hearing situation, a corresponding gain can be set automatically.
  • the WO 2004/114722 A1 describes a binaural hearing aid system with a first and a second hearing aid.
  • a classification for the two hearing aids together so that the signal processing in the two hearing aids can be coordinated and the hearing aid wearer the desired auditory signal for both ears can be provided at the same time.
  • the EP 1 617 705 A2 describes a hearing aid that is operable in an adjustment mode and in a normal listening mode. In the adaptation mode, the hearing aid wearer can make corresponding settings of the parameters of the hearing aid based on an audio test signal.
  • EP 1 699 262 A2 a method for automatic sound storage of a hearing aid is known, in which the current hearing situation is classified, the sound of the hearing aid is set and then the sound setting is stored with the associated classification. The sound setting should be stored automatically after each determination with the associated classification.
  • EP 0 814 634 A1 a programmable hearing aid system in which parameter sets for a plurality of listening situations which are available for selection on a memory are stored. To determine in each case an optimal parameter set for a hearing situation, the optimal parameter set is assigned user-specifically during an optimization phase for each currently occurring hearing situation.
  • the object of the present invention is therefore to make the training of a hearing more comfortable.
  • this object is achieved by a method for adjusting a hearing device by automatically classifying a hearing situation, setting a parameter of a signal processing device of the hearing device and automatically learning the set parameter for the current hearing situation, as well as temporally monitoring the steps "classify” and “set” and trigger of automatic learning only when the classified hearing situation and the set parameter have not changed for a given period of time.
  • a hearing device is provided with a classification device for classifying a hearing situation, a signal processing device connected to the classification device, an adjustment device for setting a parameter of the signal processing device, a learning device for automatically learning the set parameter for the current hearing situation, and a time monitoring device for temporally monitoring the classifying means and the setting means and for triggering automatic learning of the learning means as soon as the classified hearing situation and the set parameter have not changed for a predetermined period of time.
  • the invention thus provides a simplified operating concept for hearing devices and in particular Hearing aids ready.
  • Another advantage of the inventive concept is that more training sessions can be achieved. The fact that the device tries to learn after each user change, significantly more training events are achieved. Thus, the startup setting converges faster to the desired settings. This in turn results in a faster training, because the user recognizes by the more frequent training events rather that the device optimizes its settings by itself. The fact that the desired setting is reached quickly, after some time no changes by the user more necessary. Consequently, a higher user acceptance can be achieved because the device adapts quickly and easily to the individual listening experience of the user.
  • a mean and / or a variance of a level is analyzed.
  • it can be determined, for example, whether the respective situation is unambiguous, or whether special events have occurred in recent times. If the situation was not clear and special events had occurred, then there is no learning step for the period in question. Rather, the learning begins only after established uniqueness of the hearing situation.
  • a method for setting a hearing device is carried out by way of example according to the flowchart of FIG. 2 , The adjustment is done by automatic learning.
  • This learning is started in step S1.
  • Start trigger may be a manual adjustment of the hearing device or the hearing aid.
  • a changed hearing situation can serve as a start trigger.
  • step S2 it is then first checked whether the current hearing situation could be clearly classified. If this is not the case, the classification step S2 is repeated accordingly. In the case of clear classification, it is additionally possible to check according to step S3 whether special acoustic events have occurred. If "yes", the classification of the listening situation may not be meaningful and the method returns to the classifying step S2.
  • step S4 If, on the other hand, the hearing situation is clearly classified and no particular acoustic event took place, it is checked in step S4 whether the setting of the hearing device and the hearing situation were constant for a specific time. This monitoring period can be specified as desired. As long as the end of the monitoring period has not been reached, the system returns to step S2 and repeatedly checks the classification and the presence of special acoustic events.
  • a learning step S5 takes place.
  • the setting of the hearing device or the hearing device to the classified hearing situation is stored.
  • the system automatically returns to the starting point in step S1.
  • a further change of attitude or a situation change may initiate another learning step.
  • the "Vote" button known from the prior art is replaced by a timing control.
  • This is, as just by means of FIG. 2 has already been suggested that analyzes user behavior and records changes in the situation. If the situation is clear or there have been no special events in recent times (deviations of the mean or the variance of the level, binaural no big differences or the like) and the user retains the chosen setting for a while, the listener's desire for this situation seems to be valid and is trained. If environmental parameters, ie the hearing situation, have changed, the listening request can not be regarded as generally valid and will not be trained. If the user made another change to the setting, the observation period is extended before the training event, ie the learning step, is triggered.

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  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Electrically Operated Instructional Devices (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
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Description

Die vorliegende Erfindung betrifft ein Verfahren zum Einstellen einer Hörvorrichtung durch automatisches Klassifizieren einer Hörsituation, manuelles Einstellen eines Parameters einer Signalverarbeitungseinrichtung der Hörvorrichtung und automatisches Lernen des eingestellten Parameters für die aktuelle Hörsituation. Darüber hinaus betrifft die vorliegende Erfindung eine entsprechende Hörvorrichtung. Unter dem Begriff Hörvorrichtung wird hier jedes tragbare und nicht tragbare Gerät zur akustischen Kommunikation, insbesondere ein Hörgerät, ein Headset und ein Kopfhörer, verstanden.The present invention relates to a method for adjusting a hearing device by automatically classifying a hearing situation, manually setting a parameter of a signal processing device of the hearing device and automatically learning the set parameter for the current hearing situation. Moreover, the present invention relates to a corresponding hearing device. The term hearing device here is understood to mean any portable and non-portable device for acoustic communication, in particular a hearing device, a headset and a headset.

Hörgeräte sind tragbare Hörvorrichtungen, die zur Versorgung von Schwerhörenden dienen. Um den zahlreichen individuellen Bedürfnissen entgegenzukommen, werden unterschiedliche Bauformen von Hörgeräten wie Hinter-dem-Ohr-Hörgeräte (HdO), Indem-Ohr-Hörgeräte (IdO) und Concha-Hörgeräte bereitgestellt. Die beispielhaft aufgeführten Hörgeräte werden am Außenohr oder im Gehörgang getragen. Darüber hinaus stehen auf dem Markt aber auch Knochenleitungshörhilfen, implantierbare oder vibrotaktile Hörhilfen zur Verfügung. Dabei erfolgt die Stimulation des geschädigten Gehörs entweder mechanisch oder elektrisch.Hearing aids are portable hearing aids that are used to care for the hearing impaired. To meet the numerous individual needs, different types of hearing aids such as behind-the-ear hearing aids (BTE), in-the-ear hearing aids (IDO) and Concha hearing aids are provided. The hearing aids listed by way of example are worn on the outer ear or in the ear canal. In addition, bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.

Hörgeräte besitzen prinzipiell als wesentliche Komponenten einen Eingangswandler, einen Verstärker und einen Ausgangswandler. Der Eingangswandler ist in der Regel ein Schallempfänger, z. B. ein Mikrofon, und/oder ein elektromagnetischer Empfänger, z. B. eine Induktionsspule. Der Ausgangswandler ist meist als elektroakustischer Wandler, z. B. Miniaturlautsprecher, oder als elektromechanischer Wandler, z. B. Knochenleitungshörer, realisiert. Der Verstärker ist üblicherweise in eine Signalverarbeitungseinheit integriert. Dieser prinzipielle Aufbau ist in FIG 1 am Beispiel eines Hinter-dem-Ohr-Hörgeräts dargestellt. In ein Hörgerätegehäuse 1 zum Tragen hinter dem Ohr sind ein oder mehrere Mikrofone 2 zur Aufnahme des Schalls aus der Umgebung eingebaut. Eine Signalverarbeitungseinheit 3, die ebenfalls in das Hörgerätegehäuse 1 integriert ist, verarbeitet die Mikrofonsignale und verstärkt sie. Das Ausgangssignal der Signalverarbeitungseinheit 3 wird an einen Lautsprecher bzw. Hörer 4 übertragen, der ein akustisches Signal ausgibt. Der Schall wird gegebenenfalls über einen Schallschlauch, der mit einer Otoplastik im Gehörgang fixiert ist, zum Trommelfell des Geräteträgers übertragen. Die Stromversorgung des Hörgeräts und insbesondere die der Signalverarbeitungseinheit 3 erfolgt durch eine ebenfalls ins Hörgerätegehäuse 1 integrierte Batterie 5.Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer. The input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil. The output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized. The amplifier is usually integrated in a signal processing unit. This basic structure is in FIG. 1 using the example of a behind-the-ear hearing aid shown. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed. A signal processing unit 3, which is also integrated in the hearing aid housing 1, processes the microphone signals and amplifies them. The output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal. The sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier. The power supply of the hearing device and in particular of the signal processing unit 3 is carried out by a likewise integrated into the hearing aid housing 1 battery. 5

Die große Anzahl von Parametern in einer Hörgerätesignalverarbeitung und die ebenso große Anzahl von unterschiedlichsten Hörsituationen sowie das subjektive Hörempfinden eines Hörgeräteträgers erfordern eine individuelle Anpassung der Hörgeräteparameter an das Individuum und die entsprechende Situation. Da dies in einer kurzen Anpasssitzung in einer speziellen Situation nicht umfassend möglich ist, bietet es sich an, dass der Nutzer sich genau dann zu einer bevorzugten Einstellung äußern kann, wenn er eine Änderung wünscht. Dies wird durch Training erreicht, indem der Nutzer über Programmwahlschalter und Lautstärkesteller einen Hörwunsch angibt, den sich das Gerät merkt, um beim nächsten Mal in dieser Situation wie gewünscht zu verfahren.The large number of parameters in a hearing aid signal processing and the equally large number of different hearing situations as well as the subjective hearing sensation of a hearing aid wearer require an individual adaptation of the hearing aid parameters to the individual and the corresponding situation. Since this is not fully possible in a short fitting session in a particular situation, it is possible that the user may express himself to a preferred attitude if and when he wishes to change. This is achieved through training, in which the user enters a listening request via program selector switch and volume control, which the device notices in order to proceed as desired in the situation next time.

Es ergibt sich jedoch die Unsicherheit, wann und wie lange dieser Hörwunsch gültig ist. Weiterhin ist fraglich, ob und wann noch eine Änderung zu erwarten ist. Beispielsweise ist nicht bekannt, ob sich der aktuelle Hörwunsch auf einen Moment (z. B. das Zuschlagen einer Tür wurde als zu laut empfunden) oder auf die letzten fünf Minuten bezieht.However, there is uncertainty as to when and how long this listening request will be valid. Furthermore, it is questionable whether and when a change is to be expected. For example, it is not known whether the current listening request relates to a moment (eg the slamming of a door was perceived as too loud) or to the last five minutes.

In aktuellen Ansätzen zum Training hörgerätespezifischer Parameter wird immer vorausgesetzt, dass der Nutzer dem Hörsystem mitteilt, ob seine Entscheidung "endgültig" ist. In diesem Zusammenhang ist aus der Druckschrift US 2005/0129262 A1 ein an akustische Situationen automatisch anpassbares und trainierbares Hörgerät bekannt. Dort ist zum Abschluss eines Lernschritts ein so genannter "Vote"-Knopf zu betätigen. Eine derartige Knopfbetätigung kann unter Umständen sehr mühsam sein oder leicht vergessen werden.In current approaches to training hearing aid-specific parameters, it is always assumed that the user tells the hearing system whether his decision is "final". In this Context is from the document US 2005/0129262 A1 an automatically adaptable to acoustic situations and trainable hearing aid known. There, at the end of a learning step, a so-called "Vote" button is to be pressed. Such a button operation can be very tedious or easily forgotten.

Die EP 1 453 357 A2 beschreibt ein Verfahren zum Einstellen eines Hörgeräts, bei dem der Hörgeräteträger in einer bestimmten Hörsituation die Verstärkung manuell wählt und einen Justiervorgang auslöst, sodass die Hörsituation physikalisch vermessen wird. Daraus wird ein neues Kennlinienfiltermittel, sodass in einer neuen Hörsituation automatisch eine entsprechende Verstärkung eingestellt werden kann.The EP 1 453 357 A2 describes a method for setting a hearing aid, in which the hearing aid wearer manually selects the gain in a certain hearing situation and triggers an adjustment process, so that the hearing situation is physically measured. This results in a new characteristic filter means, so that in a new hearing situation, a corresponding gain can be set automatically.

Die WO 2004/114722 A1 beschreibt ein binaurales Hörgerätesystem mit einem ersten und einem zweiten Hörgerät. Hierbei erfolgt eine Klassifizierung für die beiden Hörgeräte gemeinsam, sodass die Signalverarbeitung in den beiden Hörgeräten koordiniert werden kann und dem Hörgeräteträger das gewünschte Hörsignal für beide Ohren zur gleichen Zeit bereitgestellt werden kann.The WO 2004/114722 A1 describes a binaural hearing aid system with a first and a second hearing aid. Here, a classification for the two hearing aids together, so that the signal processing in the two hearing aids can be coordinated and the hearing aid wearer the desired auditory signal for both ears can be provided at the same time.

Die EP 1 617 705 A2 beschreibt ein Hörgerät, dass in einem Anpassungsmodus und in einem normalen Hörmodus betreibbar ist. In dem Anpassungsmodus kann der Hörgeräteträger anhand eines Audiotestsignals entsprechende Einstellungen der Parameter des Hörgeräts vornehmen.The EP 1 617 705 A2 describes a hearing aid that is operable in an adjustment mode and in a normal listening mode. In the adaptation mode, the hearing aid wearer can make corresponding settings of the parameters of the hearing aid based on an audio test signal.

Aus der EP 1 699 262 A2 ist ein Verfahren zur automatischen Klangspeicherung eines Hörgeräts bekannt, bei der die aktuelle Hörsituation klassifiziert wird, der Klang der Hörgeräts eingestellt wird und anschließend die Klangeinstellung mit der zugeordneten Klassifikation gespeichert wird. Dabei soll die Klangeinstellung nach jeder Feststellung automatisch mit der zugehörigen Klassifikation abgespeichert werden. Schließlich beschreibt die EP 0 814 634 A1 ein programmierbares Hörgerätesystem, bei dem auf einem Speicher zur Auswahl stehende Parametersätze für mehrere Hörsituationen abgelegt sind. Zum Ermitteln jeweils eines optimalen Parametersatzes für eine Hörsituation wird während einer Optimierungsphase jeder aktuell auftretenden Hörsituation benutzerspezifisch der optimale Parametersatz zugeordnet.From the EP 1 699 262 A2 a method for automatic sound storage of a hearing aid is known, in which the current hearing situation is classified, the sound of the hearing aid is set and then the sound setting is stored with the associated classification. The sound setting should be stored automatically after each determination with the associated classification. Finally, that describes EP 0 814 634 A1 a programmable hearing aid system in which parameter sets for a plurality of listening situations which are available for selection on a memory are stored. To determine in each case an optimal parameter set for a hearing situation, the optimal parameter set is assigned user-specifically during an optimization phase for each currently occurring hearing situation.

Die Aufgabe der vorliegenden Erfindung besteht somit darin, das Trainieren einer Hörvorrichtung komfortabler zu gestalten.The object of the present invention is therefore to make the training of a hearing more comfortable.

Erfindungsgemäß wird diese Aufgabe gelöst durch ein Verfahren zum Einstellen einer Hörvorrichtung durch automatisches Klassifizieren einer Hörsituation, Einstellen eines Parameters einer Signalverarbeitungseinrichtung der Hörvorrichtung und automatisches Lernen des eingestellten Parameters für die aktuelle Hörsituation, sowie zeitliches Überwachen der Schritte "Klassifizieren" und "Einstellen" und Auslösen des automatischen Lernens erst dann, wenn sich die klassifizierte Hörsituation und der eingestellte Parameter eine vorgegebene Zeitdauer nicht geändert haben.According to the invention, this object is achieved by a method for adjusting a hearing device by automatically classifying a hearing situation, setting a parameter of a signal processing device of the hearing device and automatically learning the set parameter for the current hearing situation, as well as temporally monitoring the steps "classify" and "set" and trigger of automatic learning only when the classified hearing situation and the set parameter have not changed for a given period of time.

Darüber hinaus wird erfindungsgemäß bereitgestellt eine Hörvorrichtung mit einer Klassifikationseinrichtung zum Klassifizieren einer Hörsituation, einer Signalverarbeitungseinrichtung, die an die Klassifikationseinrichtung angeschlossen ist, einer Einstelleinrichtung zum Einstellen eines Parameters der Signalverarbeitungseinrichtung, einer Lerneinrichtung zum automatischen Lernen des eingestellten Parameters für die aktuelle Hörsituation, und einer Zeitüberwachungseinrichtung zum zeitlichen Überwachen der Klassifikationseinrichtung und der Einstelleinrichtung sowie zum Auslösen eines automatischen Lernens der Lerneinrichtung, sobald sich die klassifizierte Hörsituation und der eingestellte Parameter eine vorgegebene Zeitdauer nicht geändert haben.In addition, according to the invention a hearing device is provided with a classification device for classifying a hearing situation, a signal processing device connected to the classification device, an adjustment device for setting a parameter of the signal processing device, a learning device for automatically learning the set parameter for the current hearing situation, and a time monitoring device for temporally monitoring the classifying means and the setting means and for triggering automatic learning of the learning means as soon as the classified hearing situation and the set parameter have not changed for a predetermined period of time.

In vorteilhafter Weise stellt die Erfindung somit ein vereinfachtes Bedienkonzept für Hörvorrichtungen und insbesondere Hörgeräte bereit. Dadurch, dass das Gerät lernt und dabei seine Einstellungen verbessert, ohne dass der Nutzer immer daran denken muss, in Situationen, in denen er zufrieden ist, auf einen "Vote"-Knopf zu drücken, vereinfacht sich die Handhabung des Geräts. Ein weiterer Vorteil des erfindungsgemäßen Konzepts liegt darin, dass mehr Trainingseinheiten erreicht werden können. Dadurch nämlich, dass das Gerät nach jeder Nutzeränderung versucht, zu lernen, werden wesentlich mehr Trainingsereignisse erreicht. Somit konvergiert die Start-Einstellung schneller zu den gewünschten Einstellungen. Dies wiederum hat ein schnelleres Training zur Folge, denn der Nutzer erkennt durch die häufigeren Trainingsereignisse eher, dass das Gerät seine Einstellungen von alleine optimiert. Dadurch, dass die gewünschte Einstellung schnell erreicht wird, werden nach einiger Zeit keine Änderungen durch den Nutzer mehr nötig. Folglich lässt sich eine höhere Benutzerakzeptanz erreichen, weil sich das Gerät schnell und unkompliziert an den individuellen Höreindruck des Nutzers anpasst.Advantageously, the invention thus provides a simplified operating concept for hearing devices and in particular Hearing aids ready. The fact that the device learns and improves its settings, without the user having to remember to press a "Vote" button in situations where he is satisfied, simplifies the handling of the device. Another advantage of the inventive concept is that more training sessions can be achieved. The fact that the device tries to learn after each user change, significantly more training events are achieved. Thus, the startup setting converges faster to the desired settings. This in turn results in a faster training, because the user recognizes by the more frequent training events rather that the device optimizes its settings by itself. The fact that the desired setting is reached quickly, after some time no changes by the user more necessary. Consequently, a higher user acceptance can be achieved because the device adapts quickly and easily to the individual listening experience of the user.

Vorzugsweise wird bei dem automatischen Klassifizieren ein Mittelwert und/oder eine Varianz eines Pegels analysiert. Mit einer derartigen Untersuchung kann beispielsweise festgestellt werden, ob die jeweilige Situation eindeutig ist, oder ob besondere Ereignisse in der letzten Zeit stattgefunden haben. War die Situation nicht eindeutig und es haben sich gegebenenfalls besondere Ereignisse zugetragen, so erfolgt für den betroffenen Zeitraum kein Lernschritt. Vielmehr beginnt das Lernen erst nach festgestellter Eindeutigkeit der Hörsituation.Preferably, in automatic classification, a mean and / or a variance of a level is analyzed. With such an investigation, it can be determined, for example, whether the respective situation is unambiguous, or whether special events have occurred in recent times. If the situation was not clear and special events had occurred, then there is no learning step for the period in question. Rather, the learning begins only after established uniqueness of the hearing situation.

Im Falle einer binauralen Versorgung ist es besonders günstig, wenn bei dem automatischen Klassifizieren Unterschiede zwischen der Versorgung des linken Ohrs und des rechten Ohrs analysiert werden. Somit können auch die Informationen aus der binauralen Versorgung für das automatische Training herangezogen werden.In the case of a binaural supply, it is particularly advantageous if, in the automatic classification, differences between the supply of the left ear and the right ear are analyzed. Thus, the information from the binaural care can be used for automatic training.

Die vorliegende Erfindung ist anhand der beigefügten Zeichnungen näher erläutert, in denen zeigen:

FIG 1
den schematischen Aufbau eines Hörgeräts und
FIG 2
ein Flussdiagramm zu dem erfindungsgemäßen Verfahren.
The present invention will be explained in more detail with reference to the accompanying drawings, in which:
FIG. 1
the schematic structure of a hearing aid and
FIG. 2
a flowchart of the inventive method.

Das nachfolgend näher geschilderte Ausführungsbeispiel stellt eine bevorzugte Ausführungsform der vorliegenden Erfindung dar.The embodiment described in more detail below represents a preferred embodiment of the present invention.

Ein Verfahren zum Einstellen einer Hörvorrichtung erfolgt beispielhaft entsprechend dem Flussdiagramm von FIG 2. Das Einstellen geschieht durch automatisches Lernen. Dieses Lernen wird in Schritt S1 gestartet. Startauslöser kann ein manuelles Verstellen der Hörvorrichtung bzw. des Hörgeräts sein. Ebenso kann eine veränderte Hörsituation als Startauslöser dienen. In Schritt S2 wird dann zunächst überprüft, ob die aktuelle Hörsituation eindeutig klassifiziert werden konnte. Ist dies nicht der Fall, so wird der Klassifizierungsschritt S2 entsprechend oft wiederholt. Bei eindeutiger Klassifizierung kann zusätzlich gemäß Schritt S3 überprüft werden, ob besondere akustische Ereignisse eingetreten sind. Wenn "Ja", ist die Klassifikation der Hörsituation unter Umständen nicht aussagekräftig und das Verfahren springt zu dem Klassifizierungsschritt S2 zurück.A method for setting a hearing device is carried out by way of example according to the flowchart of FIG FIG. 2 , The adjustment is done by automatic learning. This learning is started in step S1. Start trigger may be a manual adjustment of the hearing device or the hearing aid. Similarly, a changed hearing situation can serve as a start trigger. In step S2, it is then first checked whether the current hearing situation could be clearly classified. If this is not the case, the classification step S2 is repeated accordingly. In the case of clear classification, it is additionally possible to check according to step S3 whether special acoustic events have occurred. If "yes", the classification of the listening situation may not be meaningful and the method returns to the classifying step S2.

Ist hingegen die Hörsituation eindeutig klassifiziert und es fand kein besonderes akustisches Ereignis statt, wird in Schritt S4 überprüft, ob die Einstellung der Hörvorrichtung und die Hörsituation für eine bestimmte Zeit konstant waren. Dieser Überwachungszeitraum kann beliebig vorgegeben werden. Solange das Ende der Überwachungszeitdauer nicht erreicht ist, springt das System zu Schritt S2 zurück und überprüft wiederholt die Klassifikation und das Vorliegen besonderer akustischer Ereignisse.If, on the other hand, the hearing situation is clearly classified and no particular acoustic event took place, it is checked in step S4 whether the setting of the hearing device and the hearing situation were constant for a specific time. This monitoring period can be specified as desired. As long as the end of the monitoring period has not been reached, the system returns to step S2 and repeatedly checks the classification and the presence of special acoustic events.

Ist schließlich die Einstellung und die Hörsituation für die vorgegebene Zeitdauer konstant, so erfolgt ein Lernschritt S5. In diesem Schritt wird die Einstellung des Hörgeräts bzw. der Hörvorrichtung zu der klassifizierten Hörsituation gespeichert. Nach dem Lernschritt S5 springt das System automatisch wieder zum Startpunkt in Schritt S1 zurück. Somit kann eine weitere Veränderung der Einstellung oder ein Situationswechsel einen weiteren Lernschritt initiieren.Finally, if the setting and the hearing situation for the predetermined period of time is constant, a learning step S5 takes place. In this step, the setting of the hearing device or the hearing device to the classified hearing situation is stored. After the learning step S5, the system automatically returns to the starting point in step S1. Thus, a further change of attitude or a situation change may initiate another learning step.

Nachfolgend wird das automatische Training der Hörvorrichtung nochmals etwas mehr aus dem Blickwinkel des Nutzers dargestellt.In the following, the automatic training of the hearing device will be shown a little more from the point of view of the user.

Entsprechend der erfindungsgemäßen Lösung wird der aus dem Stand der Technik bekannte "Vote"-Knopf durch eine zeitliche Steuerung ersetzt. Dazu wird, wie soeben anhand von FIG 2 bereits angedeutet wurde, das Nutzerverhalten analysiert und Veränderungen in der Situation aufgezeichnet. Ist die Situation eindeutig bzw. gab es in der letzten Zeit keine besonderen Ereignisse (Abweichungen des Mittelwerts oder der Varianz des Pegels, binaural keine großen Unterschiede oder Ähnliches) und behält der Nutzer die gewählte Einstellung eine Weile bei, so scheint der Hörerwunsch für diese Situation gültig zu sein und wird trainiert. Haben sich Umgebungsparameter, d. h. die Hörsituation, geändert, kann der Hörwunsch nicht als allgemein gültig angesehen werden und wird nicht trainiert. Hat der Nutzer eine weitere Änderung der Einstellung vorgenommen, wird der Beobachtungszeitraum verlängert, bevor das Trainingsereignis, d. h. der Lernschritt, ausgelöst wird.According to the solution according to the invention, the "Vote" button known from the prior art is replaced by a timing control. This is, as just by means of FIG. 2 has already been suggested that analyzes user behavior and records changes in the situation. If the situation is clear or there have been no special events in recent times (deviations of the mean or the variance of the level, binaural no big differences or the like) and the user retains the chosen setting for a while, the listener's desire for this situation seems to be valid and is trained. If environmental parameters, ie the hearing situation, have changed, the listening request can not be regarded as generally valid and will not be trained. If the user made another change to the setting, the observation period is extended before the training event, ie the learning step, is triggered.

Claims (6)

  1. Method for adjusting a hearing apparatus by
    - automatically classifying (S2) a hearing situation,
    - adjusting a parameter of a signal processing facility of the hearing apparatus and
    - automatically learning (S5) the adjusted parameter for the current hearing situation and
    - temporally monitoring (S4) the steps "classifying" and "adjusting" and
    characterised by
    - triggering the automatic learning (S5) only if the classified hearing situation and the adjusted parameters have not changed a predetermined time period.
  2. Method according to claim 1, with an average value and/or a variance of a level being analysed during the automatic classification (S2).
  3. Method according to claim 1 or 2, with differences between a supply of a left ear and of a right ear being analysed during the automatic classification (S2).
  4. Hearing apparatus with
    - a classification facility for classifying (S2) a hearing situation,
    - a signal processing facility, which is connected to the classification facility,
    - an adjustment facility for adjusting a parameter of the signal processing facility and
    - a learning facility for automatically learning (S5) the adjusted parameter for the current hearing situation and,
    - a time monitoring facility for temporally monitoring (S4) the classification facility and the adjustment facility characterised in that
    - the time monitoring facility is embodied to trigger an automatic learning (S5) of the learning facility, once the classified hearing situation and the adjustment have not changed over a predetermined time period.
  5. Hearing apparatus according to claim 4, with it being possible to analyse an average value and/or a variance of a level with the classification facility and to implement a classification as a function thereof.
  6. Hearing apparatus according to claim 4 or 5, with which a left ear and a right ear can be supplied, with it being possible to make a distinction between a supply of the left ear and of the right ear with the classification facility and to use it for the classification.
EP07117099A 2006-09-29 2007-09-25 Method for time-controlled adaptation of a hearing device and corresponding hearing device Active EP1906700B1 (en)

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AU2007221766A1 (en) 2008-04-17
EP1906700A2 (en) 2008-04-02
EP1906700A3 (en) 2011-08-10
AU2007221766B2 (en) 2009-10-08
US20080226105A1 (en) 2008-09-18
US8139778B2 (en) 2012-03-20
DK1906700T3 (en) 2013-05-06

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