EP1906701B1 - Method for semi-automatic adjustment of a hearing device and corresponding hearing device - Google Patents

Method for semi-automatic adjustment of a hearing device and corresponding hearing device Download PDF

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Publication number
EP1906701B1
EP1906701B1 EP07117401A EP07117401A EP1906701B1 EP 1906701 B1 EP1906701 B1 EP 1906701B1 EP 07117401 A EP07117401 A EP 07117401A EP 07117401 A EP07117401 A EP 07117401A EP 1906701 B1 EP1906701 B1 EP 1906701B1
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Prior art keywords
hearing
parameter
parameter range
signal processing
value
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German (de)
French (fr)
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EP1906701A2 (en
EP1906701A3 (en
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Ulrich Dr. Kornagel
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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
    • 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
    • H04R2225/61—Aspects relating to mechanical or electronic switches or control elements, e.g. functioning

Definitions

  • the present invention relates to a method for adjusting a hearing device by automatically analyzing a hearing situation in which the hearing device is located, and an automatic setting of a parameter of the signal processing device of the hearing device as a function of the hearing situation in a first parameter range. Moreover, the present invention relates to a corresponding hearing device with such analysis and adjustment options.
  • hearing device is understood in particular to mean a hearing device.
  • the definition also includes any other portable and non-portable communication systems in which hearing plays an essential role, such as headsets and headphones.
  • 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. B. miniature speakers, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit.
  • FIG. 1 shown using the example of a behind-the-ear hearing aid.
  • 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
  • a noise reduction algorithm for example, a noise reduction algorithm, a directional microphone or a feedback compensator (in the subcritical case) should not be activated when the hearing aid wearer is sitting in a concert.
  • a noise reduction algorithm would attack the payload and produce artifacts.
  • a directional microphone would give the spatial sound impression undesirable change.
  • a feedback compensator would produce unwanted artifacts.
  • the hearing aid system comprises an adaptation device which essentially has a first memory for a plurality of parameter sets available for each of a plurality of listening situations and an input device for selecting a currently present audible situation and one of the several parameter sets available for selection for this auditory situation.
  • the hearing aid system has a second memory for assignment data relating to the sets of parameters selected for each listening situation.
  • it is essentially proposed to assign a user-specific optimal parameter set to each optimally occurring hearing situation and to select the determined assignment data for determining an optimal parameter set for each hearing situation after the optimization phase.
  • a hearing aid with a control device known.
  • the acoustic listening environment in which the hearing aid is located is analyzed and, depending on the hearing situation detected thereby, at least one control element is assigned a setting function dependent on the respective hearing situation.
  • the adjustment of the hearing aid is thereby limited to the reasonable for the particular hearing situation settings.
  • EP 1 432 282 A2 a method for adapting a hearing device to a current acoustic environment situation and a corresponding hearing aid system is known.
  • the hearing device is used to set a parameter set belonging to the ambient situation and stored in the hearing device. Parameters of the set parameter set can be adjusted by means of an input part which can be actuated by the hearing aid wearer in accordance with the listener request of the hearing aid wearer.
  • the object of the present invention is to take better account of the subjective feeling when adjusting the hearing device.
  • a method for setting a hearing device by automatically analyzing a hearing situation in which the hearing device is located and automatically setting a parameter of the signal processing device of the hearing device as a function of the hearing situation in a first parameter range and manually setting the parameter of the signal processing device to a value in a second parameter range outside the first parameter range, wherein the automatic setting in the first parameter range is terminated thereby, wherein an acceptance or a perception threshold for an artifact is specified in the signal processing, for the automatic adjustment of the first parameter range is set such that the Artefact is below the Acceptance or Perceptibility Threshold, and when manually adjusting in the second parameter area, the artifact is above Acceptance or Perceptual mbars threshold lies.
  • the invention provides a hearing device with a signal processing device, an analysis device for automatically analyzing a hearing situation in which the hearing device is located, and an adjusting device for automatically setting a parameter of the signal processing device as a function of the analyzed auditory situation in a first parameter range in which Artifact of the signal processing of the signal processing device is below a predetermined acceptance or perception threshold, wherein the setting means for manually setting the parameter of the signal processing means is designed to a value in a second parameter range outside the first parameter range, and the artifact in the second parameter range above the acceptance or Perceptibility threshold is.
  • the invention provides a hearing device with a signal processing device, an analysis device for automatically analyzing a hearing situation in which the hearing device is located, and an adjusting device for automatically setting a parameter of the signal processing device as a function of the analyzed auditory situation in a first parameter range, wherein the setting device for manually setting the parameter of the signal processing device to a value in a second parameter range outside the first parameter range.
  • control of the hearing device or communication system thus takes place semi-automatically.
  • the effectiveness of the performance characteristics of the hearing device can thus be adjusted individually at any time, whereby the subjective impressions are better taken into account.
  • the full range of effects of the algorithms can be exploited, which otherwise is not possible due to the necessary compromise setting of the parameters.
  • artifacts may be accepted by manual adjustment, but the particular algorithm is operated with increased strength compared to the automatic adjustment range.
  • the value in the second parameter range is also changeable. This can be done, for example, manually and possibly continuously. Alternatively, an automatic adjustment can also take place in the second parameter range. Thus, automatic functions can also be used in a "forbidden" area.
  • the value in the second parameter range can be permanently stored in the hearing device. It is particularly advantageous if this value is stored as a variable software value, for example in the basic setting or adaptation, in the hearing device. In this way, for example, a hearing aid can be customized.
  • the value in the second parameter range can also be changed automatically depending on a current hearing situation.
  • an automatic value adjustment can also take place as a function of a classifier decision.
  • the parameter itself which is to be set, may also be selected automatically depending on a current hearing situation. In this way, the possibilities for semi-automatic adjustment can be significantly increased.
  • the signal of a signal input SE is fed to a signal processor SV.
  • the output signal of the signal processing device SV is provided at a signal output SA.
  • an analysis / logic unit AL which also picks up the signal from the signal input SE.
  • the analysis / logic unit AL provides two output signals: Alternative 1 and Alternative 2. Both alternatives represent parameters for the control of the signal processing device SV.
  • the hearing aid wearer or the user of the communication system selects the parameter suitable for him or the respective alternative.
  • the parameter according to alternative 1 is automatically selected as a function of the respective listening situation. This means that the communication system operates without a user request with a middle or a classifier-controlled setting. If the user is not satisfied with this setting, he can increase the effectiveness of the underlying algorithm by pressing the manual switch S.
  • Switching to the alternate mode can also be accomplished by actuating a button, thereby switching the system to a select mode.
  • actuating a button thereby switching the system to a select mode.
  • the desired setting is acknowledged by pressing the button again.
  • the mode of operation of the method according to the invention or of the hearing device according to the invention will now be described with reference to FIG. 3 explained in more detail.
  • a noise reduction algorithm be set semi-automatically.
  • the level of the noise decreases.
  • this also increases the level of artifacts that result when the parameter value is increased.
  • the threshold of perceivability is also shown below which the sounds or artifacts are not audible.
  • the automatic signal processing is set to select the parameter value from a classical setting range PB1. In this area, the artifacts of the noise canceling algorithm are imperceptible (or acceptable if it is the acceptance threshold).
  • the noise remaining after the noise algorithm can be further reduced by further increasing the parameter value of the noise algorithm.
  • the artifacts are then perceptible and can be expressed, for example, in a bubbling noise, which results from modulating to a useful signal.
  • the user now decides whether the artifacts are acceptable to him and therefore manually selects the parameter range PB2 or a value thereof. He then accepts the artifacts and benefits from a lower noise level.
  • the inventive principle can also be used, for example, for speech intelligibility.
  • the directional characteristic of a hearing aid can be increased with one parameter. However, this is accompanied by the fact that more and more are lost in the output signal. In an automatic setting range, the directional characteristic is therefore only automatically adjustable to a certain extent. The user can now accept in favor of a better directivity that depths are increasingly lost. In this case, he would manually select the additional adjustment range PB2.
  • the semiautomatic control according to the invention thus takes place according to the principle that the system offers at least two setting alternatives to one or more performance features of the communication system or the hearing device, from which the user actively selects the best for him.
  • the device offers two setting alternatives: a "defensive” setting and an "aggressive” setting. The user presses a switch / button and thus acknowledges the preferred alternative for the respective hearing situation.
  • the alternative parameter settings can either be permanently stored in the system or determined at any time by an analysis unit in combination with a logic adapted to the situation.
  • the selection of the features that are suitable for this concept and the selection of the parameters of these features can be fixed or user-programmable.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Control Of Amplification And Gain Control (AREA)

Description

Die vorliegende Erfindung betrifft ein Verfahren zum Einstellen einer Hörvorrichtung durch automatisches Analysieren einer Hörsituation, in der sich die Hörvorrichtung befindet, und ein automatisches Einstellen eines Parameters der Signalverarbeitungseinrichtung der Hörvorrichtung in Abhängigkeit von der Hörsituation in einem ersten Parameterbereich. Darüber hinaus betrifft die vorliegende Erfindung eine entsprechende Hörvorrichtung mit derartigen Analyse- und Einstellmöglichkeiten. Unter dem Begriff Hörvorrichtung wird hier insbesondere ein Hörgerät verstanden. Unter die Definition fallen aber auch beliebige andere Kommunikationssysteme tragbarer und nicht tragbarer Art, bei denen das Hören eine wesentliche Rolle spielt, wie beispielsweise Headsets und Kopfhörer.The present invention relates to a method for adjusting a hearing device by automatically analyzing a hearing situation in which the hearing device is located, and an automatic setting of a parameter of the signal processing device of the hearing device as a function of the hearing situation in a first parameter range. Moreover, the present invention relates to a corresponding hearing device with such analysis and adjustment options. The term hearing device is understood in particular to mean a hearing device. The definition also includes any other portable and non-portable communication systems in which hearing plays an essential role, such as headsets and headphones.

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. B. miniature speakers, 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 shown using the example of a behind-the-ear hearing aid. 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

Kommunikationssysteme im Allgemeinen, nicht nur Hörgeräte, sollen möglichst situationsangepasst arbeiten. In einer Störschall behafteten Umgebung soll z. B. ein Störgeräuschreduktionsalgorithmus automatisch aktiviert werden.Communication systems in general, not just hearing aids, should work as appropriate to the situation. In a Störschall afflicted environment should z. B. a noise reduction algorithm are automatically activated.

Grundsätzlich gilt, dass Algorithmen zur Verbesserung des Klangeindrucks, der Sprachverständlichkeit oder zur Sicherstellung eines Systemverhaltens (z. B. Feedback-Kompensator) nur soweit aktiviert und mit einer bestimmten Stärke wirksam werden, wie die Situation es fordert, da die Algorithmen auch nachteiliges Verhalten zeigen können. Die negativen Auswirkungen sollen die positiven nie überwiegen.Basically, algorithms for improving the sound impression, the speech intelligibility or for ensuring a system behavior (eg feedback compensator) are activated only to the extent and effective with a certain strength, as the situation demands, since the algorithms also show disadvantageous behavior can. The negative effects should never outweigh the positive ones.

Beispielsweise sollte ein Geräuschreduktionsalgorithmus, ein Richtmikrofon oder ein Feedbackkompensator (im unterkritischen Fall) nicht aktiviert sein, wenn der Hörgeräteträger in einem Konzert sitzt. In dieser Situation würde ein Geräuschreduktionsalgorithmus das Nutzsignal angreifen und Artefakte erzeugen. Ein Richtmikrofon würde den räumlichen Klangeindruck unerwünscht verändern. Ein Feedbackkompensator würde unerwünschte Artefakte erzeugen.For example, a noise reduction algorithm, a directional microphone or a feedback compensator (in the subcritical case) should not be activated when the hearing aid wearer is sitting in a concert. In this situation, a noise reduction algorithm would attack the payload and produce artifacts. A directional microphone would give the spatial sound impression undesirable change. A feedback compensator would produce unwanted artifacts.

Weiterhin gibt es Situationen, in denen diese Algorithmen zwar aktiviert werden, aber nur schwach wirken sollen. Wann welche Systemparameter-Einstellungen wirksam werden sollen, damit das Hörgerät möglichst hohe Akzeptanz findet, kann letztlich nur der Hörgeräteträger individuell entscheiden.There are also situations in which these algorithms are activated, but should only have a weak effect. When which system parameter settings are to take effect so that the hearing aid finds as high acceptance, ultimately only the hearing aid wearer can decide individually.

In bisher bekannten Systemen werden entweder mittlere Parametereinstellungen vorgegeben, die einen Kompromiss darstellen, oder es sind Klassifikatoren vorgesehen, die auf der Grundlage von objektiven Merkmalen entscheiden und das System entsprechend steuern. Die subjektive Empfindung wird in der normalen Betriebsphase dann nicht mehr berücksichtigt.In previously known systems either mean parameter settings are given, which represent a compromise, or there are provided classifiers, which decide on the basis of objective characteristics and control the system accordingly. The subjective sensation is then no longer considered in the normal operating phase.

Aus der Druckschrift EP 0 814 634 A1 ist ein programmierbares Hörgerätesystem zum Ermitteln optimaler Parametersätze bei einem Hörhilfegerät bekannt. Das Hörgerätesystem umfasst neben dem Hörhilfegerät selbst eine Anpasseinrichtung, die im Wesentlichen einen ersten Speicher für mehrere zur Auswahl stehende Parametersätze für jede von mehreren Hörsituationen und eine Eingabeeinrichtung zum Auswählen einer aktuell vorliegenden Hörsituation sowie eines der mehreren für diese Hörsituation zur Auswahl stehenden Parametersätze aufweist. Darüber hinaus besitzt sie einen zweiten Speicher für Zuordnungsdaten, die die für jede Hörsituation ausgewählten Parametersätze betreffen. Zum Ermitteln je eines optimalen Parametersatzes für mehrere Hörsituationen wird im Wesentlichen vorgeschlagen, während einer Optimierungsphase jeder aktuell auftretenden Hörsituation einen jeweils benutzerspezifisch optimalen Parametersatz zuzuordnen und nach der Optimierungsphase die ermittelten Zuordnungsdaten zur Bestimmung je eines optimalen Parametersatzes für jede Hörsituation auszuwählen.From the publication EP 0 814 634 A1 is a programmable hearing aid system for determining optimal parameter sets in a hearing aid known. In addition to the hearing aid device itself, the hearing aid system comprises an adaptation device which essentially has a first memory for a plurality of parameter sets available for each of a plurality of listening situations and an input device for selecting a currently present audible situation and one of the several parameter sets available for selection for this auditory situation. In addition, it has a second memory for assignment data relating to the sets of parameters selected for each listening situation. In order to determine an optimal parameter set for a plurality of listening situations, it is essentially proposed to assign a user-specific optimal parameter set to each optimally occurring hearing situation and to select the determined assignment data for determining an optimal parameter set for each hearing situation after the optimization phase.

Weiterhin ist aus der Patentschrift DE 10 2004 025 691 B3 ein Hörhilfegerät mit einer Bedieneinrichtung bekannt. Die akustische Hörumgebung, in der sich das Hörhilfegerät befindet, wird analysiert und in Abhängigkeit der dadurch erkannten Hörsituation wird wenigstens einem Bedienelement eine von der jeweiligen Hörsituation abhängige Einstellfunktion zugeordnet. Die Einstellmöglichkeit des Hörhilfegeräts wird dadurch auf die für die jeweilige Hörsituation sinnvollen Einstellmöglichkeiten begrenzt.Furthermore, from the patent DE 10 2004 025 691 B3 a hearing aid with a control device known. The acoustic listening environment in which the hearing aid is located is analyzed and, depending on the hearing situation detected thereby, at least one control element is assigned a setting function dependent on the respective hearing situation. The adjustment of the hearing aid is thereby limited to the reasonable for the particular hearing situation settings.

Aus der Druckschrift EP 1 432 282 A2 ist ein Verfahren zum Anpassen eines Hörgeräts an eine momentane akustische Umgebungssituation sowie ein entsprechendes Hörgerätesystem bekannt. Im Hörgerät wird ein zur Umgebungssituation gehörender, im Hörgerät gespeicherter Parametersatz eingestellt. Parameter des eingestellten Parametersatzes lassen sich mittels eines durch den Hörgeräteträger betätigbaren Eingabeteils gemäß dem Hörerwunsch des Hörgeräteträgers verstellen.From the publication EP 1 432 282 A2 a method for adapting a hearing device to a current acoustic environment situation and a corresponding hearing aid system is known. The hearing device is used to set a parameter set belonging to the ambient situation and stored in the hearing device. Parameters of the set parameter set can be adjusted by means of an input part which can be actuated by the hearing aid wearer in accordance with the listener request of the hearing aid wearer.

Die Aufgabe der vorliegenden Erfindung besteht darin, das subjektive Empfinden beim Einstellen der Hörvorrichtung besser zu berücksichtigen.The object of the present invention is to take better account of the subjective feeling when adjusting the hearing device.

Erfindungsgemäß wird hierzu bereitgestellt ein Verfahren zum Einstellen einer Hörvorrichtung durch automatisches Analysieren einer Hörsituation, in der sich die Hörvorrichtung befindet und automatisches Einstellen eines Parameters der Signalverarbeitungseinrichtung der Hörvorrichtung in Abhängigkeit von der Hörsituation in einem ersten Parameterbereich sowie manuelles Einstellen des Parameters der Signalverarbeitungseinrichtung auf einen Wert in einem zweiten Parameterbereich außerhalb des ersten Parameterbereichs, wobei das automatische Einstellen in dem ersten Parameterbereich hierdurch beendet wird, wobei eine Akzeptanz- oder eine Wahrnehmbarkeitsschwelle für einen Artefakt bei der Signalverarbeitung vorgegeben wird, für das automatische Einstellen der erste Parameterbereich so vorgegeben wird, dass der Artefakt unter der Akzeptanz- oder Wahrnehmbarkeitsschwelle liegt, und beim manuellen Einstellen im zweiten Parameterbereich der Artefakt über der Akzeptanz- oder Wahrnehmbarkeitsschwelle liegt.According to the invention, a method is provided for setting a hearing device by automatically analyzing a hearing situation in which the hearing device is located and automatically setting a parameter of the signal processing device of the hearing device as a function of the hearing situation in a first parameter range and manually setting the parameter of the signal processing device to a value in a second parameter range outside the first parameter range, wherein the automatic setting in the first parameter range is terminated thereby, wherein an acceptance or a perception threshold for an artifact is specified in the signal processing, for the automatic adjustment of the first parameter range is set such that the Artefact is below the Acceptance or Perceptibility Threshold, and when manually adjusting in the second parameter area, the artifact is above Acceptance or Perceptual mbars threshold lies.

Darüber hinaus wird erfindungsgemäß bereitgestellt eine Hörvorrichtung mit einer Signalverarbeitungseinrichtung, einer Analyseeinrichtung zum automatischen Analysieren einer Hörsituation, in der sich die Hörvorrichtung befindet, und einer Einstelleinrichtung zum automatischen Einstellen eines Parameters der Signalverarbeitungseinrichtung in Abhängigkeit von der analysierten Hörsituation in einem ersten Parameterbereich, in dem ein Artefakt der Signalverarbeitung der Signalverarbeitungseinrichtung unter einer vorgegebenen Akzeptanz- oder Wahrnehmbarkeitsschwelle liegt, wobei die Einstelleinrichtung zum manuellen Einstellen des Parameters der Signalverarbeitungseinrichtung auf einen Wert in einem zweiten Parameterbereich außerhalb des ersten Parameterbereichs ausgelegt ist, und der Artefakt in dem zweiten Parameterbereich über der Akzeptanz- oder Wahrnehmbarkeitsschwelle liegt.In addition, the invention provides a hearing device with a signal processing device, an analysis device for automatically analyzing a hearing situation in which the hearing device is located, and an adjusting device for automatically setting a parameter of the signal processing device as a function of the analyzed auditory situation in a first parameter range in which Artifact of the signal processing of the signal processing device is below a predetermined acceptance or perception threshold, wherein the setting means for manually setting the parameter of the signal processing means is designed to a value in a second parameter range outside the first parameter range, and the artifact in the second parameter range above the acceptance or Perceptibility threshold is.

Darüber hinaus wird erfindungsgemäß bereitgestellt eine Hörvorrichtung mit einer Signalverarbeitungseinrichtung, einer Analyseeinrichtung zum automatischen Analysieren einer Hörsituation, in der sich die Hörvorrichtung befindet, und einer Einstelleinrichtung zum automatischen Einstellen eines Parameters der Signalverarbeitungseinrichtung in Abhängigkeit von der analysierten Hörsituation in einem ersten Parameterbereich, wobei die Einstelleinrichtung zum manuellen Einstellen des Parameters der Signalverarbeitungseinrichtung auf einen Wert in einem zweiten Parameterbereich außerhalb des ersten Parameterbereichs ausgelegt ist.In addition, the invention provides a hearing device with a signal processing device, an analysis device for automatically analyzing a hearing situation in which the hearing device is located, and an adjusting device for automatically setting a parameter of the signal processing device as a function of the analyzed auditory situation in a first parameter range, wherein the setting device for manually setting the parameter of the signal processing device to a value in a second parameter range outside the first parameter range.

In vorteilhafter Weise erfolgt damit die Steuerung der Hörvorrichtung bzw. Kommunikationssystems halbautomatisch. Die Wirkungsstärke der Leistungsmerkmale der Hörvorrichtung kann somit individuell zu jedem Zeitpunkt angepasst werden, wodurch die subjektiven Eindrücke besser berücksichtigt werden. Somit kann die volle Wirkungsbandbreite der Algorithmen ausgeschöpft werden, was anderenfalls aufgrund der notwendig werdenden Kompromisseinstellung der Parameter nicht möglich ist. Speziell werden durch das manuelle Einstellen unter Umständen Artefakte in Kauf genommen, aber der jeweilige Algorithmus wird mit erhöhter Stärke gegenüber dem automatischen Einstellbereich betrieben.In an advantageous manner, the control of the hearing device or communication system thus takes place semi-automatically. The effectiveness of the performance characteristics of the hearing device can thus be adjusted individually at any time, whereby the subjective impressions are better taken into account. Thus, the full range of effects of the algorithms can be exploited, which otherwise is not possible due to the necessary compromise setting of the parameters. In particular, artifacts may be accepted by manual adjustment, but the particular algorithm is operated with increased strength compared to the automatic adjustment range.

Vorzugsweise ist der Wert in dem zweiten Parameterbereich auch veränderbar. Dies kann beispielsweise manuell und gegebenenfalls stufenlos erfolgen. Alternativ kann auch in dem zweiten Parameterbereich ein automatisches Einstellen erfolgen. Damit können Automatikfunktionen auch in einem "verbotenen" Bereich genutzt werden.Preferably, the value in the second parameter range is also changeable. This can be done, for example, manually and possibly continuously. Alternatively, an automatic adjustment can also take place in the second parameter range. Thus, automatic functions can also be used in a "forbidden" area.

Der Wert in dem zweiten Parameterbereich kann fest in der Hörvorrichtung hinterlegt sein. Besonders vorteilhaft ist es, wenn dieser Wert als veränderbarer Softwarewert, beispielsweise bei der Grundeinstellung oder Anpassung, im Hörgerät hinterlegt wird. Auf diese Weise lässt sich beispielsweise ein Hörgerät individueller anpassen.The value in the second parameter range can be permanently stored in the hearing device. It is particularly advantageous if this value is stored as a variable software value, for example in the basic setting or adaptation, in the hearing device. In this way, for example, a hearing aid can be customized.

Der Wert in dem zweiten Parameterbereich kann auch in Abhängigkeit von einer aktuellen Hörsituation automatisch verändert werden. Damit kann eine automatische Werteeinstellung auch in Abhängigkeit einer Klassifikatorentscheidung erfolgen.The value in the second parameter range can also be changed automatically depending on a current hearing situation. Thus, an automatic value adjustment can also take place as a function of a classifier decision.

Auch der Parameter selbst, der eingestellt werden soll, kann gegebenenfalls in Abhängigkeit von einer aktuellen Hörsituation automatisch gewählt werden. Auf diese Weise lassen sich die Möglichkeiten für das halbautomatische Einstellen deutlich vermehren.The parameter itself, which is to be set, may also be selected automatically depending on a current hearing situation. In this way, the possibilities for semi-automatic adjustment can be significantly increased.

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

FIG 1
eine Prinzipskizze des Aufbaus eines Hörgeräts;
FIG 2
ein Blockschaltdiagramm zur prinzipiellen Darstellung der Signalverarbeitung einer erfindungsgemäßen Hörvorrichtung und
FIG 3
eine Skizze zur Wirkungsweise des erfindungsgemäßen Verfahrens bzw. der erfindungsgemäßen Hörvorrichtung.
The present invention will be further explained with reference to the accompanying drawings, in which:
FIG. 1
a schematic diagram of the structure of a hearing aid;
FIG. 2
a block diagram for the basic representation of the signal processing of a hearing device according to the invention and
FIG. 3
a sketch of the operation of the method according to the invention or the hearing device according to the invention.

Die nachfolgend näher geschilderten Ausführungsbeispiele stellen bevorzugte Ausführungsformen der vorliegenden Erfindung dar.The embodiments described in more detail below represent preferred embodiments of the present invention.

Gemäß FIG 2 wird das Signal eines Signaleingangs SE einer Signalverarbeitung SV zugeführt. Das Ausgangssignal der Signalverarbeitungseinrichtung SV wird an einem Signalausgang SA bereitgestellt. Zur halbautomatischen Einstellung der Signalverarbeitungseinrichtung SV dient eine Analyse/Logik-Einheit AL, die auch das Signal von dem Signaleingang SE abgreift. Die Analyse/Logik-Einheit AL stellt zwei Ausgangssignale zur Verfügung: Alternative 1 und Alternative 2. Beide Alternativen stellen Parameter für die Steuerung der Signalverarbeitungseinrichtung SV dar. Mit einem manuellen Schalter S wählt der Hörgeräteträger bzw. der Nutzer des Kommunikationssystems den für ihn passenden Parameter bzw. die jeweilige Alternative aus. In dem gewählten Beispiel wird der Parameter gemäß Alternative 1 automatisch in Abhängigkeit der jeweiligen Hörsituation gewählt. Dies bedeutet, dass das Kommunikationssystem ohne Anforderung des Anwenders mit einer mittleren bzw. einer klassifikator-gesteuerten Einstellung arbeitet. Ist der Anwender mit dieser Einstellung nicht zufrieden, so kann er die Wirkungsstärke des zugrunde liegenden Algorithmus durch Betätigen des manuellen Schalters S steigern.According to FIG. 2 the signal of a signal input SE is fed to a signal processor SV. The output signal of the signal processing device SV is provided at a signal output SA. For semi-automatic adjustment of the signal processing device SV is an analysis / logic unit AL, which also picks up the signal from the signal input SE. The analysis / logic unit AL provides two output signals: Alternative 1 and Alternative 2. Both alternatives represent parameters for the control of the signal processing device SV. With a manual switch S, the hearing aid wearer or the user of the communication system selects the parameter suitable for him or the respective alternative. In the example chosen, the parameter according to alternative 1 is automatically selected as a function of the respective listening situation. This means that the communication system operates without a user request with a middle or a classifier-controlled setting. If the user is not satisfied with this setting, he can increase the effectiveness of the underlying algorithm by pressing the manual switch S.

Das Schalten in den Alternativmodus kann auch dadurch erfolgen, dass ein Taster betätigt wird, wodurch das System in einen Auswahlmodus schaltet. Hier präsentiert es alternative Systemeinstellungen. Die gewünschte Einstellung wird durch einen erneuten Tastendruck quittiert.Switching to the alternate mode can also be accomplished by actuating a button, thereby switching the system to a select mode. Here it presents alternative system settings. The desired setting is acknowledged by pressing the button again.

Die Funktionsweise des erfindungsgemäßen Verfahrens bzw. der erfindungsgemäßen Hörvorrichtung wird nun anhand von FIG 3 näher erläutert. In dem Beispiel soll ein Geräuschreduktionsalgorithmus halbautomatisch eingestellt werden. Mit Erhöhung des Parameterwerts des Störgeräuschunterdrückungsalgorithmus sinkt der Pegel des Störgeräuschs. Gleichzeitig nimmt damit aber auch der Pegel von Artefakten zu, die sich bei der Erhöhung des Parameterwerts ergeben. In dem Bild von FIG 3 ist auch die Wahrnehmbarkeitsschwelle eingezeichnet, unterhalb der die Geräusche bzw. Artefakte nicht hörbar sind. Entsprechend dem vorliegenden Beispiel ist die automatische Signalverarbeitung so eingestellt, dass sie den Parameterwert aus einem klassischen Einstellbereich PB1 wählt. In diesem Bereich sind die Artefakte des Störgeräuschunterdrückungsalgorithmus nicht wahrnehmbar (bzw. akzeptabel, wenn es sich um die Akzeptanzschwelle handelt).The mode of operation of the method according to the invention or of the hearing device according to the invention will now be described with reference to FIG FIG. 3 explained in more detail. In the example, let's consider a noise reduction algorithm be set semi-automatically. As the parameter value of the noise canceling algorithm increases, the level of the noise decreases. At the same time, however, this also increases the level of artifacts that result when the parameter value is increased. In the picture of FIG. 3 the threshold of perceivability is also shown below which the sounds or artifacts are not audible. According to the present example, the automatic signal processing is set to select the parameter value from a classical setting range PB1. In this area, the artifacts of the noise canceling algorithm are imperceptible (or acceptable if it is the acceptance threshold).

Wie die Grafik zeigt, können die nach dem Störgeräuschalgorithmus verbleibenden Störgeräusche weiter reduziert werden, indem der Parameterwert des Störgeräuschalgorithmus weiter erhöht wird. Dann sind die Artefakte jedoch wahrnehmbar und können sich beispielsweise in einem blubbernden Geräusch äu-ßern, das sich durch Aufmodulation auf ein Nutzsignal ergibt. Erfindungsgemäß entscheidet nun der Nutzer, ob die Artefakte für ihn akzeptabel sind und wählt daher manuell den Parameterbereich PB2 bzw. einen Wert daraus. Er nimmt dann also die Artefakte in Kauf und profitiert von einem geringeren Störgeräuschpegel.As the graph shows, the noise remaining after the noise algorithm can be further reduced by further increasing the parameter value of the noise algorithm. However, the artifacts are then perceptible and can be expressed, for example, in a bubbling noise, which results from modulating to a useful signal. According to the invention, the user now decides whether the artifacts are acceptable to him and therefore manually selects the parameter range PB2 or a value thereof. He then accepts the artifacts and benefits from a lower noise level.

In gleicher Weise kann das erfindungsgemäße Prinzip auch beispielsweise für die Sprachverständlichkeit genutzt werden. So lässt sich beispielsweise mit einem Parameter die Richtcharakteristik eines Hörgeräts erhöhen. Damit geht jedoch einher, dass in dem Ausgangssignal Tiefen immer mehr verloren gehen. In einem automatischen Stellbereich ist die Richtcharakteristik daher nur bis zu einem gewissen Grad automatisch einstellbar. Der Nutzer kann nun zugunsten einer besseren Richtwirkung in Kauf nehmen, dass Tiefen immer mehr verloren gehen. In diesem Fall würde er manuell den zusätzlichen Einstellbereich PB2 wählen.In the same way, the inventive principle can also be used, for example, for speech intelligibility. For example, the directional characteristic of a hearing aid can be increased with one parameter. However, this is accompanied by the fact that more and more are lost in the output signal. In an automatic setting range, the directional characteristic is therefore only automatically adjustable to a certain extent. The user can now accept in favor of a better directivity that depths are increasingly lost. In this case, he would manually select the additional adjustment range PB2.

Die erfindungsgemäße halbautomatische Steuerung erfolgt also nach dem Prinzip, dass das System zu einem oder mehreren Leistungsmerkmalen des Kommunikationssystems bzw. der Hörvorrichtung wenigstens zwei Einstellungsalternativen anbietet, aus denen der Anwender aktiv die für ihn beste auswählt. Im einfachsten Fall bietet das Gerät zwei Einstellungsalternativen an: eine "defensive" Einstellung und eine "aggressive" Einstellung. Der Anwender betätigt einen Schalter/Taster und quittiert damit für die jeweilige Hörsituation die von ihm bevorzugte Alternative.The semiautomatic control according to the invention thus takes place according to the principle that the system offers at least two setting alternatives to one or more performance features of the communication system or the hearing device, from which the user actively selects the best for him. In the simplest case, the device offers two setting alternatives: a "defensive" setting and an "aggressive" setting. The user presses a switch / button and thus acknowledges the preferred alternative for the respective hearing situation.

Als Erweiterung des erfindungsgemäßen Prinzips können auch mehrere Alternativen von Einstellbereichen bzw. Einstellwerten angeboten werden. Je nach Bedienelement kann auch mindestens ein Parameter in einem Wertebereich vergleichbar einem Lautstärkesteller verändert werden. Als Bedienelement kommt prinzipiell jede Bedienerschnittstelle in Frage, z. B. Taster am Gerät, Taster an Fernbedienung, Rädchen für stufenlose Einstellung etc.As an extension of the principle according to the invention, several alternatives of setting ranges or setting values can also be offered. Depending on the operating element and at least one parameter in a range of values comparable to a volume control can be changed. In principle, any operator interface in question, for. B. button on the device, button on remote control, wheel for stepless adjustment etc.

Die alternativen Parametereinstellungen können entweder fest im System hinterlegt sein oder durch eine Analyseeinheit in Kombination mit einer Logik situationsangepasst zu jedem Zeitpunkt ermittelt werden. Darüber hinaus kann die Auswahl der für dieses Konzept in Frage kommenden Leistungsmerkmale und die Auswahl der Parameter dieser Leistungsmerkmale fest vorgegeben oder vom Anwender programmierbar gehalten werden.The alternative parameter settings can either be permanently stored in the system or determined at any time by an analysis unit in combination with a logic adapted to the situation. In addition, the selection of the features that are suitable for this concept and the selection of the parameters of these features can be fixed or user-programmable.

Claims (10)

  1. Method for setting a hearing device (1) by
    - the automatic analysis of hearing situation in which the hearing device (1) is located and
    - the automatic setting of a parameter of the signal processing device (3, SV) of the hearing device (1) relative to the hearing situation in a first parameter range (PB1),
    - manual setting of the parameter of the signal processing device (3, SV) to a value in a second parameter range (PB2) outside the first parameter range (PB1), with the automatic setting in the first parameter range (PB1) being ended by this, characterised in that
    - an acceptance or perceptibility threshold for an artefact is specified during the signal processing,
    - with the first parameter range for the automatic setting being specified so that the artefact lies below the acceptance or perceptibility threshold and
    - with the artefact lying above the acceptance or perceptibility threshold during manual setting in the second parameter range.
  2. Method according to claim 1, with the value in the second parameter range (PB2) being changed.
  3. Method according to claim 2, with the value in the second parameter range (PB2) being manually changed.
  4. Method according to one of the preceding claims, with the value in the second parameter range (PB2) being permanently stored in the hearing device (1).
  5. Method according to one of the preceding claims, with the value in the second parameter range (PB2) being automatically changed relative to an actual hearing situation.
  6. Method according to one of the preceding claims, with the parameter which is itself to be changed being automatically selected relative to an automatic hearing situation.
  7. Hearing device (1) with
    - a signal processing device (3, SV),
    - an analysis device (AL) for the automatic analysis of a hearing situation in which the hearing device (1) is located and
    - an adjusting device for the automatic setting of a parameter of the signal processing device (3, SV) relative to the analyzed hearing situation in a first parameter range (PB1), with
    - the adjusting device being designed for manual setting of the parameter of the signal processing device (3, SV) to a value in a second parameter range (PB2) outside the first parameter range (PB1), characterised in that in the first parameter range (PB1) an artefact of the signal processing of the signal processing device lies below a predetermined acceptance or perceptibility threshold and in the second parameter range the artefact lies above the acceptance or perceptability threshold.
  8. Hearing device according to claim 7, with the value in the second parameter range (PB2) being changeable.
  9. Hearing device according to claim 7 or 8, with the value in the second parameter device (PB2) being automatically changeable relative to an actual hearing situation.
  10. Hearing device according to one of claims 7 to 9, with the parameter which is itself to be set being automatically adjustable by the adjusting device relative to an actual hearing situation.
EP07117401A 2006-09-29 2007-09-27 Method for semi-automatic adjustment of a hearing device and corresponding hearing device Active EP1906701B1 (en)

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DE102007038191B3 (en) * 2007-08-13 2008-12-04 Siemens Medical Instruments Pte. Ltd. Individually adjustable hearing aid and method for its operation
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US10681459B1 (en) * 2019-01-28 2020-06-09 Sonova Ag Hearing devices with activity scheduling for an artifact-free user experience
US11671769B2 (en) * 2020-07-02 2023-06-06 Oticon A/S Personalization of algorithm parameters of a hearing device

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US20080112583A1 (en) 2008-05-15
DE102006046316A1 (en) 2008-04-03

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