EP1865747B1 - Audio system with inductive transmission and broadband transmission - Google Patents

Audio system with inductive transmission and broadband transmission Download PDF

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Publication number
EP1865747B1
EP1865747B1 EP07107987.5A EP07107987A EP1865747B1 EP 1865747 B1 EP1865747 B1 EP 1865747B1 EP 07107987 A EP07107987 A EP 07107987A EP 1865747 B1 EP1865747 B1 EP 1865747B1
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Prior art keywords
hearing
transmission
apparatuses
transmission station
antenna
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German (de)
French (fr)
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EP1865747A3 (en
EP1865747A2 (en
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Peter Nikles
Ulrich SCHÄTZLE
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Sivantos GmbH
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Sivantos 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/554—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired using a wireless connection, e.g. between microphone and amplifier or using Tcoils
    • 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
    • H04R25/55—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception using an external connection, either wireless or wired
    • H04R25/552—Binaural

Definitions

  • the present invention relates to a hearing system with at least two hearing devices, which are designed for wireless communication with one another, and a transmission station, by means of which messages can be transmitted between the hearing devices.
  • Hearing devices are understood to mean not only hearing aids but also headsets, headphones and the like.
  • the analog transmission of the audio signals is typically carried out with the aid of a modulated carrier.
  • the hearing aids have corresponding AM / FM receivers.
  • the behind-the-ear hearing aids also have AM / FM transmitters.
  • the document describes DE 602 02 618 T2 a cellular system for asymmetric wireless communication with a carrier wave for the downlink and ultra-broadband for the uplink.
  • a mobile communication device has a carrier wave-based receiver and an ultra-wideband transmitter. Since less power is required for an ultra-wideband broadcast than for a carrier wave broadcast, the mobile communication device benefits from this power saving.
  • the communication from the base station communication device to the mobile communication device is by a carrier wave transmission.
  • the document discloses US 2005/0283207 A1 a transmission between an external hearing aid and a low power implant.
  • the hearing device and the implant each have a transmitting and receiving unit with a coil for inductive transmission.
  • ultra-wideband pulses of very short duration are used.
  • the object of the present invention is to propose a hearing device with which wireless communication with low energy consumption and increased data transmission rate is possible.
  • a corresponding hearing system is to be specified, in which several hearing devices communicate in the manner mentioned.
  • this object is achieved by a hearing system according to claim 1.
  • digitally modulated magnetic field signals can be transmitted between the hearing devices.
  • digitally modulated magnetic field signals can be transmitted between the hearing devices.
  • For a secure transmission with low hardware cost is possible.
  • the bandwidth of each of the broadband pulse transmitters is at least 100 MHz. As a result, a relatively high data rate can be realized.
  • Each of the broadband pulse transmitters is connected to a miniaturized electrical antenna. Their maximum extension is preferably between 8 and 20 mm. Thus, the size of the hearing devices and in particular the hearing aids can be reduced.
  • bidirectional, quasi-simultaneous communication can be carried out between the hearing devices via the transmission station.
  • This quasi-simultaneous bi-directional communication is possible in that the communication in a time window in one direction and in a subsequent time window in the other direction. This allows the transceivers to be realized with little effort.
  • the transmitting station may have a bidirectional interface to an external configuration device.
  • configuration data can be transmitted from the configuration device via the transmission station to one of the hearing devices.
  • the transmitting station receives the dual functionality of transmitting signals between the hearing devices, but also signals from a configuration device to a hearing device.
  • the FIG shows a hearing aid wearer who carries a left hearing aid HG-L in his left ear and a right hearing aid HG-R in his right ear.
  • the communication between both hearing aids via a portable base unit BG.
  • This base unit BG can wear the hearing aid wearer, for example, in his breast pocket and it takes over the function of the transmission station.
  • HG-R and HG-L digital receiver and transmitter for audio signals are separated. Both are adapted to the extreme requirements of hearing aids in terms of size and power requirements. If the remote station of the communication is a portable base unit BG with less critical requirements, then more complexity can be used for the transmitters and receivers incorporated therein, with the aim of compensating for the limitations in the hearing aids.
  • a miniaturized coil is used in a favorable embodiment.
  • Their maximum extension is preferably between 4 and 8 mm.
  • Such coils are used, for example, for remote controls of hearing aids.
  • the receiver coils of the hearing aids receive the digitally modulated magnetic field signal of a transmitter, which has a much larger and thus more effective transmission coil and is installed in the base unit BG.
  • the signal course is symbolized in the FIG by arrows from the base unit BG to the hearing aids HG-R and HG-L.
  • the inductive transmitter is in the FIG with TX designated. It is driven by a signal processing unit P, which has a memory, and a communication interface C.
  • the base unit BG a battery B, and not shown operating and display elements.
  • a likewise miniaturized electrical antenna is used, which emits broadband pulsed signals with low transmission field strength.
  • the technique of transmitting broadband pulsed signals is known from the aforementioned article "An Ultra-Wideband Transceiver Architecture for Low Power, Low Rate, Wireless Systems". With this technology, signals can be emitted by the transmitter with very low power consumption. These signals are shown with arrows from the hearing aids HG-R and HG-L to the base unit BG in the FIG.
  • the weak, broadband pulsed signals in the base unit BG can be received with sufficient quality, there is a much larger and thus more effective electrical receiving antenna installed.
  • the receiving circuit or the receiver RX is also realized very expensive to reliably detect the weak signals.
  • the digital audio signal can be passed through the base unit BG from one hearing aid HG-R to the opposite hearing aid HG-L or vice versa.
  • the digital audio signals can be passed through the base unit BG from right to left and quasi-simultaneous from left to right.
  • control signals are transmitted from the base unit BG, which effect an alternating transmission of the broadband pulsed signals of the hearing aids HG-R and HG-L involved.
  • a bidirectional interface to a configuration unit KG is optionally provided.
  • the interface may be either a simple serial wire interface (eg Universal Serial Bus) or a wireless interface (eg Bluetooth, Zigbee, WLAN).
  • the bidirectional interface can also be used in a further step to reconfigure programmable hearing aids.
  • programming data is transmitted instead of the digitized audio data, and the base unit operates as a transmitting station from and to the configuration device.
  • the configuration device may be a PC or notebook on which the fitting software for the hearing care professional is installed.
  • the rapid data rate of the hearing aids is a great advantage, as it allows the complete reading out of the data stored in the hearing aid very quickly.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Near-Field Transmission Systems (AREA)
  • Transceivers (AREA)

Description

Die vorliegende Erfindung betrifft ein Hörsystem mit mindestens zwei Hörvorrichtungen, die zur drahtlosen Kommunikation miteinander ausgelegt sind, und einer Übermittlungsstation, durch die Nachrichten zwischen den Hörvorrichtungen übertragbar sind. Dabei werden unter Hörvorrichtungen neben Hörgeräten auch Headsets, Kopfhörer und dergleichen verstanden.The present invention relates to a hearing system with at least two hearing devices, which are designed for wireless communication with one another, and a transmission station, by means of which messages can be transmitted between the hearing devices. Hearing devices are understood to mean not only hearing aids but also headsets, headphones and the like.

Es ist bekannt, Audiosignale für Hörgeräte im Basisband über induktiv gekoppelte Spulen analog zu übertragen. Beispielsweise werden sogenannte Telefonspulen dazu benutzt, beim Telefonieren die Sprachsignale zu übertragen. Außerdem werden in Museen, Kirchen und dergleichen Induktionsschleifen genutzt, um Signale an Hörgeräte zu senden. Darüber hinaus werden Spulen auch dazu genutzt, um bei einer Cross-Versorgung (Hörgeräteträger trägt zwei Hörgeräte) Signale von einem Hörgerät zum anderen zu übertragen.It is known to transmit audio signals for hearing aids in the baseband via inductively coupled coils analog. For example, so-called telephone coils are used to transmit the voice signals when making a call. In addition, induction loops are used in museums, churches and the like to send signals to hearing aids. In addition, coils are also used to transmit signals from one hearing aid to another in a cross-supply (hearing aid wearer carries two hearing aids).

Die analoge Übertragung der Audiosignale erfolgt typischerweise mit Hilfe eines modulierten Trägers. Dazu weisen die Hörgeräte entsprechende AM-/FM-Empfänger auf. Bei der Cross-Versorgung besitzen die Hinter-dem-Ohr-Hörgeräte auch AM-/FM-Sender.The analog transmission of the audio signals is typically carried out with the aid of a modulated carrier. For this purpose the hearing aids have corresponding AM / FM receivers. In the case of cross-supply, the behind-the-ear hearing aids also have AM / FM transmitters.

Neben der drahtlosen Übertragung von Signalen ist auch eine drahtgebundene Übertragung zwischen den Hörgeräten möglich. Außerdem ist auch eine drahtgebundene Übertragung von einem externen Audiogerät zu einem Hörgerät über einen Audio-Schuh-Stecker möglich.In addition to the wireless transmission of signals and a wired transmission between the hearing aids is possible. In addition, a wired transmission from an external audio device to a hearing aid via an audio shoe connector is possible.

In dem Artikel " An Ultra-Wideband Transceiver Architecture for Low Power, Low Rate, Wireless Systems", IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 5, SEPTEMBER 2005, Seiten 1623 bis 1631 ist eine Breitbandpulsübertragungstechnik für drahtlose Systeme beschrieben. Die Übertragungstechnik zeichnet sich durch geringen Leistungsverbrauch aus. Die Datenübertragungsrate ist für Hörgeräteverhältnisse vergleichsweise hoch.In the article " An Ultra Wideband Transceiver Architecture for Low Power, Low Rate, Wireless Systems ", IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, VOL. 54, NO. 5, SEPTEMBER 2005, pages 1623-1631 A broadband pulse transmission technique for wireless systems is described. The transmission technology is characterized by low power consumption. The data transmission rate is comparatively high for hearing aid conditions.

Aus der Patentschrift US 5 751 820 A ist ein Kommunikationssystem für Hörgeräte zur drahtlosen Übertragung bekannt. In dem Hörgerät ist ein Transceiver untergebracht, der mit einer Fernverarbeitungseinheit bidirektional kommuniziert.From the patent US Pat. No. 5,751,820 a communication system for hearing aids for wireless transmission is known. In the hearing aid, a transceiver is housed, which communicates bidirectionally with a remote processing unit.

Weiterhin beschreibt die Druckschrift DE 602 02 618 T2 ein zellulares System für asymmetrische drahtlose Kommunikation mit einer Trägerwelle für die Abwärtsrichtung und Ultrabreitband für die Aufwärtsrichtung. Eine Mobilkommunikationsvorrichtung besitzt einen trägerwellen-basierten Empfänger und einen Ultrabreitbandsender. Da für eine Ultrabreitbandsendung weniger Leistung als für eine Trägerwellensendung benötigt wird, profitiert die Mobilkommunikationsvorrichtung von dieser Leistungseinsparung. Die Kommunikation von der Basisstation-Kommunikationsvorrichtung zu der Mobilkommunikationsvorrichtung erfolgt hingegen durch eine Trägerwellenübertragung.Furthermore, the document describes DE 602 02 618 T2 a cellular system for asymmetric wireless communication with a carrier wave for the downlink and ultra-broadband for the uplink. A mobile communication device has a carrier wave-based receiver and an ultra-wideband transmitter. Since less power is required for an ultra-wideband broadcast than for a carrier wave broadcast, the mobile communication device benefits from this power saving. On the other hand, the communication from the base station communication device to the mobile communication device is by a carrier wave transmission.

Aus der Druckschrift WO 02 28 143 A2 ist ein Hörgerätesystem mit zwei Hörgeräten und einer externen Prozessoreinheit bekannt. Zwischen diesen Komponenten ist jeweils bidirektionale Kommunikation möglich. Dazu enthält jede dieser Komponenten eine Sende- und Empfangseinheit.From the publication WO 02 28 143 A2 a hearing aid system with two hearing aids and an external processor unit is known. Bidirectional communication is possible between these components. Each of these components contains a transmitting and receiving unit.

Darüber hinaus offenbart die Druckschrift US 2005/0283207 A1 eine Übertragung zwischen einem externen Hörgerät und einem Implantat mit niedriger Leistung. Dazu besitzt das Hörgerät und das Implantat jeweils eine Sende- und Empfangseinheit mit einer Spule zur induktiven Übertragung. Zur Übertragung werden Ultrabreitbandpulse sehr kurzer Zeitdauer verwendet.In addition, the document discloses US 2005/0283207 A1 a transmission between an external hearing aid and a low power implant. For this purpose, the hearing device and the implant each have a transmitting and receiving unit with a coil for inductive transmission. For transmission, ultra-wideband pulses of very short duration are used.

Des Weiteren ist in der Druckschrift EP 1 531 650 A2 ein Hörinstrumentsystem beschrieben, bei dem mehrere Hörgeräte drahtlos mit einem Basisgerät verbunden sind. Zwischen den Hörgeräten und dem Basisgerät ist ebenfalls eine bidirektionale Verbindung möglich.Furthermore, in the document EP 1 531 650 A2 a hearing instrument system described in which a plurality of hearing aids are wirelessly connected to a base unit. Between Hearing aids and the base unit is also a bidirectional connection possible.

Die Aufgabe der vorliegenden Erfindung besteht darin, eine Hörvorrichtung vorzuschlagen, mit der eine drahtlose Kommunikation bei niedrigem Energieverbrauch und erhöhter Datenübertragungsrate möglich ist. Darüber hinaus soll ein entsprechendes Hörsystem angegeben werden, bei dem mehrere Hörvorrichtungen auf die genannte Weise kommunizieren.The object of the present invention is to propose a hearing device with which wireless communication with low energy consumption and increased data transmission rate is possible. In addition, a corresponding hearing system is to be specified, in which several hearing devices communicate in the manner mentioned.

Erfindungsgemäß wird diese Aufgabe gelöst durch ein Hörsystem nach Anspruch 1.According to the invention, this object is achieved by a hearing system according to claim 1.

Vorzugsweise sind zwischen den Hörvorrichtungen digital modulierte Magnetfeldsignale übertragbar. Damit ist eine sichere Übertragung mit geringem Hardwareaufwand möglich.Preferably, digitally modulated magnetic field signals can be transmitted between the hearing devices. For a secure transmission with low hardware cost is possible.

Die Bandbreite jedes der Breitbandpulssender beträgt mindestens 100 MHz. Hierdurch ist eine verhältnismäßig hohe Datenrate realisierbar.The bandwidth of each of the broadband pulse transmitters is at least 100 MHz. As a result, a relatively high data rate can be realized.

Jeder der Breitbandpulssender ist mit einer miniaturisierten elektrischen Antenne verbunden. Ihre maximale Ausdehnung liegt vorzugsweise zwischen 8 und 20 mm. Damit kann die Baugröße der Hörvorrichtungen und insbesondere der Hörgeräte reduziert werden.Each of the broadband pulse transmitters is connected to a miniaturized electrical antenna. Their maximum extension is preferably between 8 and 20 mm. Thus, the size of the hearing devices and in particular the hearing aids can be reduced.

Entsprechend einer bevorzugten Ausführungsform ist zwischen den Hörvorrichtungen über die Übermittlungsstation eine bidirektionale, quasi-simultane Kommunikation durchführbar. Hierzu kann es vorteilhaft sein, bei der Kommunikation auch Steuerinformationen von der Übermittlungsstation zu übertragen.According to a preferred embodiment, bidirectional, quasi-simultaneous communication can be carried out between the hearing devices via the transmission station. For this purpose, it may be advantageous to transmit control information from the transmission station during the communication.

Diese quasi-simultane bidirektionale Kommunikation ist dadurch möglich, dass die Kommunikation in einem Zeitfenster in der einen Richtung und in einem anschließenden Zeitfenster in der anderen Richtung verläuft. Hierdurch lassen sich die Transceiver mit wenig Aufwand realisieren.This quasi-simultaneous bi-directional communication is possible in that the communication in a time window in one direction and in a subsequent time window in the other direction. This allows the transceivers to be realized with little effort.

Darüber hinaus kann die Übermittlungsstation eine bidirektionale Schnittstelle zu einem externen Konfigurationsgerät besitzen. Insbesondere ist es günstig, wenn Konfigurationsdaten von dem Konfigurationsgerät über die Übermittlungsstation an eine der Hörvorrichtungen übertragen werden kann. Somit erhält die Übermittlungsstation die doppelte Funktionalität, Signale zwischen den Hörvorrichtungen, aber auch Signale von einem Konfigurationsgerät zu einer Hörvorrichtung zu übermitteln.In addition, the transmitting station may have a bidirectional interface to an external configuration device. In particular, it is favorable if configuration data can be transmitted from the configuration device via the transmission station to one of the hearing devices. Thus, the transmitting station receives the dual functionality of transmitting signals between the hearing devices, but also signals from a configuration device to a hearing device.

Die vorliegende Erfindung wird nun anhand der beigefügten Zeichnung näher erläutert, die eine Prinzipskizze eines erfindungsgemäßen Systems mit zwei Hörgeräten zeigt.The present invention will now be described with reference to the accompanying drawing which shows a schematic diagram of a system according to the invention with two hearing aids.

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.

Die FIG zeigt einen Hörgeräteträger, der in seinem linken Ohr ein linkes Hörgerät HG-L und in seinem rechten Ohr ein rechtes Hörgerät HG-R trägt. Die Kommunikation zwischen beiden Hörgeräten erfolgt über ein tragbares Basisgerät BG. Dieses Basisgerät BG kann der Hörgeräteträger beispielsweise in seiner Brusttasche tragen und es übernimmt die Funktion der Übermittlungsstation.The FIG shows a hearing aid wearer who carries a left hearing aid HG-L in his left ear and a right hearing aid HG-R in his right ear. The communication between both hearing aids via a portable base unit BG. This base unit BG can wear the hearing aid wearer, for example, in his breast pocket and it takes over the function of the transmission station.

In jedem der Hörgeräte HG-R und HG-L sind digitale Empfänger und Sender für Audiosignale getrennt aufgebaut. Beide sind an die extremen Anforderungen bei Hörgeräten hinsichtlich Baugröße und Leistungsbedarf angepasst. Ist die Gegenstelle der Kommunikation ein tragbares Basisgerät BG mit weniger kritischen Anforderungen, so kann für die darin eingebauten Sender und Empfänger mehr Komplexität eingesetzt werden, mit dem Ziel, die Limitierungen in den Hörgeräten zu kompensieren.In each of the hearing aids HG-R and HG-L digital receiver and transmitter for audio signals are separated. Both are adapted to the extreme requirements of hearing aids in terms of size and power requirements. If the remote station of the communication is a portable base unit BG with less critical requirements, then more complexity can be used for the transmitters and receivers incorporated therein, with the aim of compensating for the limitations in the hearing aids.

Für den Empfänger in den Hörgeräten HG-R und HG-L wird in einer günstigen Ausführungsform eine miniaturisierte Spule verwendet. Ihre maximale Ausdehnung liegt vorzugsweise zwischen 4 und 8 mm. Derartige Spulen werden beispielsweise auch für Fernbedienungen von Hörgeräten eingesetzt.For the receiver in the hearing aids HG-R and HG-L, a miniaturized coil is used in a favorable embodiment. Their maximum extension is preferably between 4 and 8 mm. Such coils are used, for example, for remote controls of hearing aids.

Die Empfängerspulen der Hörgeräte empfangen das digital modulierte Magnetfeldsignal eines Senders, der eine wesentlich größere und damit effektivere Sendespule besitzt und in dem Basisgerät BG eingebaut ist. Der Signalverlauf ist in der FIG durch Pfeile von dem Basisgerät BG zu den Hörgeräten HG-R und HG-L symbolisiert. Der induktive Sender ist in der FIG mit TX bezeichnet. Er wird von einer Signalverarbeitungseinheit P, die einen Speicher aufweist, und eine Kommunikationsschnittstelle C angesteuert. Weiterhin weist das Basisgerät BG eine Batterie B, sowie nicht dargestellte Bedien- und Anzeigeelemente auf.The receiver coils of the hearing aids receive the digitally modulated magnetic field signal of a transmitter, which has a much larger and thus more effective transmission coil and is installed in the base unit BG. The signal course is symbolized in the FIG by arrows from the base unit BG to the hearing aids HG-R and HG-L. The inductive transmitter is in the FIG with TX designated. It is driven by a signal processing unit P, which has a memory, and a communication interface C. Furthermore, the base unit BG a battery B, and not shown operating and display elements.

Für den Sender in den Hörgeräten HG-R und HG-L wird eine ebenfalls miniaturisierte elektrische Antenne verwendet, die breitbandig gepulste Signale mit geringer Sendefeldstärke abstrahlt. Die Technik, breitbandig gepulste Signale abzusenden ist aus dem eingangs bereits erwähnten Artikel "An Ultra-Wideband Transceiver Architecture for Low Power, Low Rate, Wireless Systems" bekannt. Mit dieser Technologie können Signale sehr stromsparend vom Sender ausgestrahlt werden. Diese Signale sind mit Pfeilen von den Hörgeräten HG-R und HG-L zu dem Basisgerät BG in der FIG dargestellt.For the transmitter in the hearing aids HG-R and HG-L, a likewise miniaturized electrical antenna is used, which emits broadband pulsed signals with low transmission field strength. The technique of transmitting broadband pulsed signals is known from the aforementioned article "An Ultra-Wideband Transceiver Architecture for Low Power, Low Rate, Wireless Systems". With this technology, signals can be emitted by the transmitter with very low power consumption. These signals are shown with arrows from the hearing aids HG-R and HG-L to the base unit BG in the FIG.

Damit die schwachen, breitbandig gepulsten Signale im Basisgerät BG mit ausreichender Qualität empfangen werden können, ist dort eine wesentlich größere und damit effektivere elektrische Empfangsantenne eingebaut. Die Empfangsschaltung beziehungsweise der Empfänger RX ist ebenfalls sehr aufwendig realisiert, um die schwachen Signale zuverlässig zu detektieren.Thus, the weak, broadband pulsed signals in the base unit BG can be received with sufficient quality, there is a much larger and thus more effective electrical receiving antenna installed. The receiving circuit or the receiver RX is also realized very expensive to reliably detect the weak signals.

Für den Fall, dass eine sogenannte Cross-Versorgung des Patienten notwendig ist, kann das digitale Audiosignal über das Basisgerät BG von einem Hörgerät HG-R zum gegenüberliegenden Hörgerät HG-L oder umgekehrt durchgereicht werden. Für den Fall einer BiCross-Versorgung des Patienten können die digitalen Audiosignale über das Basisgerät BG von rechts nach links sowie quasi-simultan von links nach rechts durchgereicht werden. Zu diesem Zweck werden Steuersignale vom Basisgerät BG mit übertragen, die ein abwechselndes Senden der breitbandig gepulsten Signale der beteiligten Hörgeräte HG-R und HG-L bewirken.In the event that a so-called cross-supply of the patient is necessary, the digital audio signal can be passed through the base unit BG from one hearing aid HG-R to the opposite hearing aid HG-L or vice versa. In the case of a bi-cross supply of the patient, the digital audio signals can be passed through the base unit BG from right to left and quasi-simultaneous from left to right. For this purpose, control signals are transmitted from the base unit BG, which effect an alternating transmission of the broadband pulsed signals of the hearing aids HG-R and HG-L involved.

Für eine Konfiguration des Basisgeräts BG ist optional eine bidirektionale Schnittstelle zu einem Konfigurationsgerät KG vorgesehen. Die Schnittstelle kann entweder eine einfache serielle Drahtschnittstelle (z. B. Universal Serial Bus) oder eine drahtlose Schnittstelle (z. B. Bluetooth, Zigbee, WLAN) sein. Die bidirektionale Schnittstelle kann in einem weiteren Schritt auch dazu benutzt werden, programmierbare Hörgeräte neu zu konfigurieren. In diesem Fall werden statt der digitalisierten Audiodaten Programmierdaten übertragen, und das Basisgerät arbeitet als Übermittlungsstation von und zum Konfigurationsgerät. Das Konfigurationsgerät kann ein PC oder Notebook sein, auf dem die Fitting-Software für den Hörgeräteakustiker installiert ist.For a configuration of the base unit BG, a bidirectional interface to a configuration unit KG is optionally provided. The interface may be either a simple serial wire interface (eg Universal Serial Bus) or a wireless interface (eg Bluetooth, Zigbee, WLAN). The bidirectional interface can also be used in a further step to reconfigure programmable hearing aids. In this case, programming data is transmitted instead of the digitized audio data, and the base unit operates as a transmitting station from and to the configuration device. The configuration device may be a PC or notebook on which the fitting software for the hearing care professional is installed.

Durch die Kombination des für Hörgeräte günstigsten, digitalen Audioempfänger-Verfahrens (induktive Kopplung) mit dem für Hörgeräte günstigsten digitalen Audio-Sender-Verfahren (elektrische Breitbandpulse) wird es möglich, ein drahtloses Transmitter-Receiver- (Transceiver-)Konzept bereitzustellen, das sehr strom- und platzsparend ist. Die aufwendigen Funktionen sind in einem von den Hörvorrichtungen beziehungsweise den Hörgeräten getrennten Basisgerät realisiert, da es als Übermittlungsstation dient und geringe Anforderungen an Stromverbrauch und Platzbedarf stellt.By combining the most favorable for hearing aids, digital audio receiver method (inductive coupling) with the most favorable for hearing aid digital audio transmitter method (electric broadband pulses), it is possible to provide a wireless transmitter-receiver (transceiver) concept, the very is power and space saving. The complex functions are realized in a separate from the hearing devices or the hearing aid base unit, since it serves as a transmission station and low demands on power consumption and space requirements.

Bei der Neukonfiguration von programmierbaren Hörgeräten ist die schnelle Datenrate von den Hörgeräten von großem Vorteil, da damit das komplette Auslesen der im Hörgerät gespeicherten Daten sehr schnell möglich ist.When reconfiguring programmable hearing aids, the rapid data rate of the hearing aids is a great advantage, as it allows the complete reading out of the data stored in the hearing aid very quickly.

Die hohe Datenrate bei der Kommunikation mit einem Hörgerät eröffnet weiterhin die Möglichkeit, neue Hörgerätekonzepte zu realisieren. So beschreibt die Druckschrift DE 10228157 Hörgeräte mit in eine externe Einheit ausgelagerter Signalverarbeitung. Dies scheiterte in der Praxis bislang an der Realisierbarkeit eines schnellen Datenkanals aus den Hörgeräten zur externen Einheit, ist aber nun mit den erfindungsgemäßen Hörvorrichtungen möglich.The high data rate when communicating with a hearing aid continues to open up the possibility of implementing new hearing aid concepts. This is how the document describes DE 10228157 Hearing aids with signal processing outsourced to an external unit. This failed in practice so far on the feasibility of a fast data channel from the hearing aids to the external unit, but is now possible with the hearing devices according to the invention.

Claims (8)

  1. Hearing system having
    - at least two physically separate hearing apparatuses (HG-R, HG-L) that are designed for wireless communication with one another, wherein each hearing apparatus is equipped with a transceiver that has an inductive reception device, including a receiver coil, and a digital wideband pulse transmitter, including an antenna, and
    - a transmission station (BG) that is structurally separate from the hearing apparatuses and that can be used to transmit a message from one of the hearing apparatuses to another of the hearing apparatuses, wherein the transmission station has an inductive transmission device, including a transmission coil, for sending to the hearing apparatuses and a wideband reception device, including a reception antenna, for receiving from the hearing apparatuses, wherein
    - the inductive reception device and the digital wideband pulse transmitter in each hearing apparatus are constructed separately from one another,
    - the transmission coil of the transmission station is substantially larger than the receiver coil of each hearing apparatus, and
    - the reception antenna of the transmission station is substantially larger than the antenna of each hearing apparatus.
  2. Hearing system according to Claim 1, wherein digitally modulated magnetic field signals are transmittable between the hearing apparatuses (HG-R, HG-L).
  3. Hearing system according to Claim 1 or 2, wherein the bandwidth of each of the wideband pulse transmitters is at least 100 MHz.
  4. Hearing system according to one of Claims 1 to 3, wherein the electrical antenna of each wideband pulse transmitter is smaller than 20 mm.
  5. Hearing system according to one of Claims 1 to 4, wherein a bidirectional, quasi-simultaneous communication is implementable between the hearing apparatuses (HG-R, HG-L) via the transmission station (BG).
  6. Hearing system according to Claim 5, wherein the communication also involves control information being transmitted by the transmission station (BG).
  7. Hearing system according to one of Claims 1 to 6, wherein the transmission station (BG) has a bidirectional interface to an external configuration device (KG).
  8. Hearing system according to Claim 7, wherein the configuration data are transmittable from the configuration device (KG) to one of the hearing apparatuses (HG-R, HG-L) via the transmission station (BG).
EP07107987.5A 2006-05-30 2007-05-11 Audio system with inductive transmission and broadband transmission Active EP1865747B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006025147A DE102006025147B3 (en) 2006-05-30 2006-05-30 Hearing system for use in e.g. museum, has hearing devices provided with transceiver, which includes digital broadband pulse transmitter, where bandwidth of pulse transmitter amounts to hundred megahertz

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EP1865747A2 EP1865747A2 (en) 2007-12-12
EP1865747A3 EP1865747A3 (en) 2013-01-23
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DE102008046041A1 (en) 2008-09-05 2009-10-08 Siemens Medical Instruments Pte. Ltd. Hearing system, has hearing device and external unit, where test signal is released in preferred direction by transmitting antenna of hearing device and is evaluated by external unit for determining preferred direction
DK3324644T3 (en) * 2016-11-17 2021-01-04 Oticon As WIRELESS HEARING DEVICE WITH STABILIZING GUIDANCE BETWEEN TRAGUS AND ANTITRAGUS

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US5721783A (en) * 1995-06-07 1998-02-24 Anderson; James C. Hearing aid with wireless remote processor
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AU775802B2 (en) * 2000-01-13 2004-08-19 Phonak Ag Hearing aid remote control and a hearing aid with a remote control of this type
DK1316240T3 (en) * 2000-07-14 2006-02-27 Gn Resound As A synchronized binaural hearing system
DE10048354A1 (en) * 2000-09-29 2002-05-08 Siemens Audiologische Technik Method for operating a hearing aid system and hearing aid system
EP1250026A1 (en) * 2001-04-11 2002-10-16 Phonic Ear, Inc. Short range data transfer for communication devices
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AU2003242912B2 (en) * 2002-05-31 2008-10-16 Med-El Elektromedizinische Geraete Gmbh Low power signal transmission
DE10304648B3 (en) * 2003-02-05 2004-08-19 Siemens Audiologische Technik Gmbh Device and method for communicating hearing aids
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JP4333424B2 (en) * 2004-03-17 2009-09-16 ブラザー工業株式会社 Transponder, interrogator, and pulse signal transmission / reception system

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Publication number Publication date
EP1865747A3 (en) 2013-01-23
AU2007202465A1 (en) 2007-12-20
EP1865747A2 (en) 2007-12-12
AU2007202465B2 (en) 2009-02-12
DK1865747T3 (en) 2017-07-03
JP2007325258A (en) 2007-12-13
JP4708390B2 (en) 2011-06-22
CN101179869A (en) 2008-05-14
DE102006025147B3 (en) 2007-10-25

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