EP1445982A1 - System and method for communication between hearing aids - Google Patents
System and method for communication between hearing aids Download PDFInfo
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- EP1445982A1 EP1445982A1 EP03029646A EP03029646A EP1445982A1 EP 1445982 A1 EP1445982 A1 EP 1445982A1 EP 03029646 A EP03029646 A EP 03029646A EP 03029646 A EP03029646 A EP 03029646A EP 1445982 A1 EP1445982 A1 EP 1445982A1
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- 238000000034 method Methods 0.000 title claims abstract description 29
- 230000006854 communication Effects 0.000 title description 38
- 238000004891 communication Methods 0.000 title description 37
- 230000005540 biological transmission Effects 0.000 claims abstract description 70
- 230000006870 function Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 description 12
- 238000012546 transfer Methods 0.000 description 8
- 238000012790 confirmation Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
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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
- H04R25/558—Remote control, e.g. of amplification, frequency
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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
- H04R25/552—Binaural
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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
- H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
- H04R25/505—Customised settings for obtaining desired overall acoustical characteristics using digital signal processing
Definitions
- the present invention relates to methods and devices for sending data in a hearing aid system.
- the wireless communication of one hearing aid with another as well as with another communication interface meet special requirements such as: the very limited available transmission energy of one in the hearing aid located transceivers as well as through the frequently very ineffective antennas caused by spatial reasons.
- the publication DE 195 44 546 a hearing aid with several analog inputs and an additional one known digital input.
- microphone signals can be arranged spatially separated of stereo microphones quickly in a digital way and received and processed without interference.
- a method for communicating a hearing aid described with external radio interfaces with the address data and / or channel data relating to several signal sources in a storage device can be stored.
- the hearing aid wearer can use the address management system communication with a radio interface is very convenient automatically record top priority.
- the object of the present invention is therefore to create a communication system for hearing aids that their meets special requirements and in particular with regard to of energy consumption is optimized.
- this object is achieved by a method for sending data in a hearing aid system by awarding a priority for a sending process and sending a data packet with a length depending on the given Priority.
- a corresponding device for sending data for a Hearing aid system has an allocation device for awarding a priority for a transmission process, a provision device to provide data to be sent in one Data packet with a length depending on the assigned Priority and a transmitter for sending the provided Data.
- a corresponding device for sending data for a Hearing aid system is characterized by a transmission device for sending data of a first priority, a receiving device for receiving second priority data and a control device which is connected to the transmission device and is connected to the receiving device for temporary cancellation of transmission by the transmission device if the second Priority is higher than the first priority.
- the transmission signals are preferably transferred over a single transmission channel.
- such a transmission system can have at least have two logical levels of communication, each different applications or transmission modalities can be assigned. According to the application these communication levels have different priorities of communication. Furthermore, more than two communication participants involved in the communication network be that not necessarily all about ongoing communication the other participants are informed. finds for example, data exchange between two hearing aids instead, a remote control can be used due to the limited range the hearing aids may not have information about a have ongoing communication. Now set one if necessary time critical application of a higher communication level respectively one in the communication system is not continuous integrated subscriber on request wireless signal to be transmitted, in the case of a momentary ongoing communication disrupted this and the data sent both the faulty connection and that of the application higher priority or the external source get lost. For the transmission system there is the Request that the data transfer higher priority must not be lost. Therefore, when communicating data packets of different lengths are used. The data packets higher priority prevail when the lower priorities Transfer requests are held as long as the Transmission channel is busy.
- the transmission levels or communication partners different priorities use different types Data packets. Used for communication at the lowest level a basic data word DW is set, so these data records dispatched between the partners in the case of an undisturbed situation. Now an application / a participant of a higher priority enters communication should be interrupted and the necessary information is exchanged. To the higher priority application sends data packets for this purpose, which are significantly longer than that of the application lower priority. In the event of uncoordinated arrival of the The current communication is the first priority disturbed because the received communication participant the superimposition of the original and the new one Received signal. By the length of the transmission signal higher priority can, however, after completion Sending the low-priority connection part of the new transmission signal can be received undisturbed. Therefore preferably the transmission signal of the communication element higher Priority built up from a first and a second block, the second block being the complete one to be transferred Always contains information, even under extreme conditions received after transmission of the first block is completed can be.
- the first part of the data packet either from at least one of the data words to be sent or consist of a series of preambles.
- the transmission of absolute data has the advantage of transmission of the data word DW as the first part of the data packet in that, in the event of error-free transmission, the data can be recognized earlier.
- a relative transfer Commands cannot occur twice in a data packet, since, for example, an increase in error-free transmission of a value would otherwise be performed twice.
- sequences of preambles are sent ahead, these preambles do not contain any information, they merely indicate to the system that a data transmission will soon follow. All participants of lower priority are prevented from starting their own communication while receiving more important data or preambles. Even if the transmission of higher priority has ended, the transmission channel is kept clear for a certain amount of time before a transmission can again take place at a lower level.
- the data packets have a minimum length of ⁇ (N + 1) DW ⁇ .
- the priority increases with increasing number N. Assuming at most one communication within a priority level this way the most important communication can be undisturbed respectively. Own participants who have no information through which communications are in progress, a higher one Priority so they can put their data in the communication system contribute.
- An embodiment according to the present invention leaves 1 by a WIRELESS system for hearing aid applications realize.
- the system consists of two hearing aids HG1, HG2 and a remote control unit RCU that work together communicate wirelessly. Due to the limited transmission energy of the hearing aids HG1, HG2 are the transmission ranges limited.
- the remote control RCU is not in communication of the two hearing aids.
- the bottom one Level is the binaural comparison of the hearing aids 1, 2 regarding the signal processing algorithms. For example are the hearing programs to be used in adjusted both hearing aids 1, 2.
- An application of higher priority is the operation of the manual Controls on the hearing aid by the hearing aid wearer.
- other communication should be immediate interrupted and the binaural adjustment of the control element settings be performed.
- the transfer of the setting values takes place with absolute values.
- the RCU remote control is operated, the current one Communication in turn interrupted and the desired Remote control function implemented, since also the operation of the remote control RCU is given very high priority. Doing so often resorted to relative instruction sets, whereby the Data word is preceded by a series of preambles.
- the corresponding data word only has to be sent simply because other communication participants of lower priority remain silent for at least a time T ack before further transmissions are initiated.
- the operated device then sends a final synchronization command for binaural adjustment, which is answered by the other subscriber HG2 with an acknowledgment.
- the settings e.g. B. volume control or program selection, which are made manually on the hearing aid HG1, can be transmitted wirelessly to the hearing aid HG2.
- the confirmation time T ack can be different for the two hearing aids HG1 and HG2.
- FIG. 3 shows a time signal scheme for the case of a automatic synchronization of signal processing.
- First HG1 sends a data packet for comparison from.
- the other one in the hearing aid system also transmits Hearing aid HG2 a synchronization data packet for comparison from.
- the hearing aids are reciprocal transmits those setting values that the own signal processing due to the environmental conditions as optimal has determined.
- a corresponding comparison takes place.
- the binaural information for controlling Signal processing algorithms e.g. B. noise suppression, be used.
- a transmission process sets the Remote control by the limited range of the Hearing aid communication no knowledge of ongoing communication processes first, it transmits a sequence of preambles in a first part before the real one User data word follows in a second part of the data packet.
- the two parts are again an initialization preamble, not shown prefixed. Because the hearing aids immediately the data packets are to react to the remote control give the remote control a very high priority, what by the great length of the first of the remote control sent data packet is implemented. After this high priority The hearing aids HG1 and HG2 are also a message here predetermined time prevented from sending. Meanwhile, you can from the remote control without further short data packets, for example for volume adjustment and program selection, are transmitted to the hearing aids. Following this at The transmission pause forced on the hearing aids is again compared between the hearing aids as related to FIG 2 has already been described. This comparison ensures that both hearing aids HG1 and HG2 also the commands from the remote control.
- the hearing aid HG1 sends a customary synchronization data packet to compare the signal processing.
- the manual operation on the hearing device 2 starts while the synchronization data packet is being sent, so that the hearing device HG2 sends an extended data packet in order to abort the synchronization process.
- the transmission of the setting values through manual operation on the HG2 hearing aid thus gains top priority.
- the data word transmitted at the end of the data packet can thus be easily received by the hearing device 1.
- T ack there is again a confirmation or synchronization process in which the data word containing the setting value of the manual operation is sent again by the hearing device 2 and then acknowledged by the hearing device 1.
- the synchronization process for signal processing then takes place as shown in FIG. 3.
- FIG. 6 shows a case in which the synchronization signal processing through manual operation is interrupted.
- the manual one Operation on the hearing aid HG1 takes place and is behind the time HG1 hearing aid synchronization data packet.
- the one through the Manual operation desired setting value is also made here Priority reasons transferred twice. Because manual operation or the relevant transfer of the desired Setting value only after the synchronization data packet the HG2 hearing aid starts with its own Reply to synchronization data packet.
- transmission processes overlap so that also the second data word for transmitting the setting value the manual operation sent by the HG1 hearing aid is partially overlaid by the transmission process of the hearing aid HG2 becomes. Both data words can be from the hearing aid HG2 cannot be received correctly.
- the hearing aid HG2 is now the Possibility to receive the data packet completely.
- the hearing aid HG2 acknowledges this reception accordingly.
- There the synchronization of the signal processing is not here either could be carried out after the comparison of the Hearing aid parameters take place in the usual way.
Abstract
Description
Die vorliegende Erfindung betrifft Verfahren und Vorrichtungen zum Senden von Daten in einem Hörgerätesystem.The present invention relates to methods and devices for sending data in a hearing aid system.
Die drahtlose Kommunikation eines Hörgeräts mit einem anderen als auch mit einer weiteren Kommunikationsschnittstelle muss spezielle Anforderungen erfüllen, die beispielsweise durch die sehr eingeschränkte verfügbare Sendeenergie eines im Hörgerät befindlichen Transceivers als auch durch die häufig aus räumlichen Gründen sehr uneffektiven Antennen verursacht werden.The wireless communication of one hearing aid with another as well as with another communication interface meet special requirements such as: the very limited available transmission energy of one in the hearing aid located transceivers as well as through the frequently very ineffective antennas caused by spatial reasons.
Die in anderen Anwendungsfeldern realisierten Lösungen greifen einerseits auf Multikanal oder Zeitscheibenverfahren zurück. Wenn andererseits ein Einkanalübertragungssystem verwendet wird, kann bei hinreichenden Sendereichweiten und Übertragungsbandbreiten aller beteiligten Kommunikationsteilnehmer in der Regel sichergestellt werden, dass der drahtlose Übertragungskanal bei Einsetzen eines Übertragungsvorgangs frei ist. Aus energetischen und räumlichen Gründen sind diese Verfahren, die beispielsweise in modernen digitalen Übertragungssystemen (Bluetooth, DECT etc.) Verwendung finden, für Hörgeräteanwendungen nicht geeignet. Die im Hörgerätesektor gebräuchlichen FM-Übertragungssysteme stellen in der Regel reine Punkt-zu-Punkt-Übertragungssysteme mit einer Übertragungsebene für eine einzelne Anwendung dar, die kontinuierlich analoge Signale übertragen.The solutions implemented in other fields of application are effective on the one hand back to multi-channel or time slice processes. On the other hand, if a single channel transmission system is used with sufficient transmission ranges and transmission bandwidths of all communication participants involved usually ensure that the wireless Transmission channel when a transmission process is started free is. For energy and space reasons, these are Processes, for example in modern digital transmission systems (Bluetooth, DECT etc.) are used for Hearing aid applications not suitable. The one in the hearing aid sector common FM transmission systems usually make pure point-to-point transmission systems with one transmission level for a single application that is continuous transmit analog signals.
In diesem Zusammenhang ist aus der Druckschrift DE 195 44 546 ein Hörgerät mit mehreren analogen Eingängen und einem zusätzlichen digitalen Eingang bekannt. Es besteht die Möglichkeit, mehrere digitale, am zusätzlichen Eingang des Hörgeräts eingespeiste Signale durch einen Multiplexer weiter zu verarbeiten und einem Signalprozessor des Hörgeräts zuzuleiten. In this context, the publication DE 195 44 546 a hearing aid with several analog inputs and an additional one known digital input. There is a possibility several digital, at the additional input of the hearing aid to process the fed signals by a multiplexer and a signal processor of the hearing aid.
Hierdurch können räumlich getrennt angeordnete Mikrofonsignale von Stereomikrofonen auf digitale Art und Weise schnell und störungsfrei empfangen und weiterverarbeitet werden.As a result, microphone signals can be arranged spatially separated of stereo microphones quickly in a digital way and received and processed without interference.
Des Weiteren ist in der nachveröffentlichten Druckschrift DE 102 01 068 ein Verfahren zum Kommunizieren eines Hörgeräts mit externen Funkschnittstellen beschrieben, bei dem Adressdaten und/oder Kanaldaten bezüglich mehrerer Signalquellen in einer Speichereinrichtung gespeichert werden. Durch ein prioritätsgetriebenes Adressverwaltungssystem kann der Hörgeräteträger sehr komfortabel die Kommunikation mit einer Funkschnittstelle höchster Priorität automatisch aufnehmen.Furthermore, in the post-published publication DE 102 01 068 a method for communicating a hearing aid described with external radio interfaces, with the address data and / or channel data relating to several signal sources in a storage device can be stored. By a priority driven The hearing aid wearer can use the address management system communication with a radio interface is very convenient automatically record top priority.
Die Aufgabe der vorliegenden Erfindung besteht somit darin, ein Kommunikationssystem für Hörgeräte zu schaffen, die deren speziellen Anforderungen genügt und insbesondere hinsichtlich des Energieverbrauchs optimiert ist.The object of the present invention is therefore to create a communication system for hearing aids that their meets special requirements and in particular with regard to of energy consumption is optimized.
Erfindungsgemäß wird diese Aufgabe gelöst durch ein Verfahren zum Senden von Daten in einem Hörgerätesystem durch Vergeben einer Priorität für einen Sendevorgang und Senden eines Datenpakets mit einer Länge in Abhängigkeit von der vergebenen Priorität.According to the invention, this object is achieved by a method for sending data in a hearing aid system by awarding a priority for a sending process and sending a data packet with a length depending on the given Priority.
Eine entsprechende Vorrichtung zum Senden von Daten für ein Hörgerätesystem besitzt eine Vergabeeinrichtung zum Vergeben einer Priorität für einen Sendevorgang, eine Bereitstellungseinrichtung zum Bereitstellen von zu sendenden Daten in einem Datenpaket mit einer Länge in Abhängigkeit von der vergebenen Priorität und einer Sendeeinrichtung zum Senden der bereitgestellten Daten.A corresponding device for sending data for a Hearing aid system has an allocation device for awarding a priority for a transmission process, a provision device to provide data to be sent in one Data packet with a length depending on the assigned Priority and a transmitter for sending the provided Data.
Gemäß der vorliegenden Erfindung ist es damit möglich, der manuellen Bedienung eines Hörgeräts vor anderen Kommunikationen zwischen den Hörgeräten Vorrang zu verschaffen, indem den aufgrund der Bedienung zu übertragenden Daten die höchste Priorität und damit die größte Datenpaketlänge gegeben wird. Folglich müssen diejenigen Komponenten des Hörgerätesystems, die eine derartig hochpriore Nachricht empfangen, zumindest für eine gewisse Zeit ihre Sendeaktivität einstellen. Aus diesem Grund ist erfindungsgemäß vorgesehen ein diesbezügliches Verfahren zum Senden von Daten in einem Hörgerätesystem durch Senden von Daten einer ersten Priorität, Empfangen von Daten einer zweiten Priorität und temporäres Abbrechen des Sendens, falls die zweite Priorität höher als die erste Priorität ist.According to the present invention, it is thus possible to manual operation of a hearing aid before other communications to give priority between the hearing aids by the the highest due to the data to be transmitted Priority and thus the largest data packet length is given. Consequently, those components of the hearing aid system who receive such a high priority message, at least stop sending for a period of time. Out for this reason, according to the invention, there is provision in this regard Method for sending data in a hearing aid system by sending data of a first priority, receiving from Second priority data and temporary cancellation of the Sending if the second priority is higher than the first priority is.
Eine entsprechende Vorrichtung zum Senden von Daten für ein Hörgerätesystem zeichnet sich aus durch eine Sendeeinrichtung zum Senden von Daten einer ersten Priorität, eine Empfangseinrichtung zum Empfangen von Daten einer zweiten Priorität und eine Steuereinrichtung, die mit der Sendeeinrichtung und der Empfangseinrichtung verbunden ist, zum temporären Abbrechen des Sendens durch die Sendeeinrichtung, falls die zweite Priorität höher als die erste Priorität ist.A corresponding device for sending data for a Hearing aid system is characterized by a transmission device for sending data of a first priority, a receiving device for receiving second priority data and a control device which is connected to the transmission device and is connected to the receiving device for temporary cancellation of transmission by the transmission device if the second Priority is higher than the first priority.
Es wird also hier von einem Übertragungssystem auf der Basis beispielsweise einer elektromagnetischen, Infrarot- oder Ultraschall-Übertragung ausgegangen, das aufwandbedingt und aufgrund einer begrenzten Übertragungskapazität keinen Zugriff auf mehrere Übertragungskanäle oder eine Aufteilung nach einem Zeitscheibenverfahren hat. Die Übertragungssignale werden vorzugsweise über einen einzigen Übertragungskanal transferiert.So it is based here on a transmission system for example electromagnetic, infrared or ultrasound transmission assumed that the effort and due a limited transmission capacity on several transmission channels or a division according to one Has time slice method. The transmission signals are preferably transferred over a single transmission channel.
Prinzipiell kann ein solches Übertragungssystem über mindestens zwei logische Ebenen der Kommunikation verfügen, die jeweils unterschiedlichen Anwendungen oder Übertragungsmodalitäten zugeordnet sein können. Entsprechend der Anwendung werden diese Kommunikationsebenen unterschiedliche Prioritäten der Kommunikation besitzen. Weiterhin können auch mehr als zwei Kommunikationsteilnehmer an dem Kommunikationsnetz beteiligt sein, die nicht unbedingt alle über die laufende Kommunikation der übrigen Teilnehmer unterrichtet sind. Findet beispielsweise ein Datenaustausch zwischen zwei Hörgeräten statt, kann eine Fernbedienung aufgrund der begrenzten Reichweite der Hörgeräte eventuell keine Informationen über eine laufende Kommunikation besitzen. Setzt nun eine eventuell zeitkritische Anwendung einer höheren Kommunikationsebene beziehungsweise ein in das Kommunikationssystem nicht kontinuierlich eingebundener Teilnehmer auf Anforderung ein drahtlos zu übermittelndes Signal ab, so kann im Falle einer momentan laufenden Kommunikation diese gestört und die gesendeten Daten sowohl der gestörten Verbindung als auch die der Anwendung höherer Priorität beziehungsweise der externen Quelle verloren gehen. Für das Übertragungssystem besteht hier die Anforderung, dass die Daten der Übertragung höherer Priorität nicht verloren gehen dürfen. Daher werden bei der Kommunikation verschieden lange Datenpakete verwendet. Die Datenpakete höherer Priorität setzen sich durch, wenn die niederprioren Übertragungsanforderungen solange angehalten werden, wie der Übertragungskanal besetzt ist.In principle, such a transmission system can have at least have two logical levels of communication, each different applications or transmission modalities can be assigned. According to the application these communication levels have different priorities of communication. Furthermore, more than two communication participants involved in the communication network be that not necessarily all about ongoing communication the other participants are informed. finds for example, data exchange between two hearing aids instead, a remote control can be used due to the limited range the hearing aids may not have information about a have ongoing communication. Now set one if necessary time critical application of a higher communication level respectively one in the communication system is not continuous integrated subscriber on request wireless signal to be transmitted, in the case of a momentary ongoing communication disrupted this and the data sent both the faulty connection and that of the application higher priority or the external source get lost. For the transmission system there is the Request that the data transfer higher priority must not be lost. Therefore, when communicating data packets of different lengths are used. The data packets higher priority prevail when the lower priorities Transfer requests are held as long as the Transmission channel is busy.
Die vorliegende Erfindung wird nun anhand der beigefügten Zeichnungen näher erläutert, in denen zeigen:
- FIG 1
- ein Schema eines Hörgerätesystems mit zwei Hörgeräten und einer Fernbedienung;
- FIG 2
- ein zeitliches Signalschema bei manueller Bedienung;
- FIG 3
- ein zeitliches Signalschema bei automatischer Synchronisation der Signalverarbeitung;
- FIG 4
- ein zeitliches Signalschema bei Fernbedienung;
- FIG 5
- ein zeitliches Signalschema einer Synchronisation der Signalverarbeitung bei gleichzeitiger manueller Bedienung; und
- FIG 6
- ein zeitliches Signalschema einer Synchronisation der Signalverarbeitung mit gegenüber FIG 5 zeitlich versetzter manueller Bedienung.
- FIG. 1
- a schematic of a hearing aid system with two hearing aids and a remote control;
- FIG 2
- a time signal scheme for manual operation;
- FIG 3
- a time signal scheme with automatic synchronization of signal processing;
- FIG 4
- a time signal scheme for remote control;
- FIG 5
- a time signal scheme of a synchronization of the signal processing with simultaneous manual operation; and
- FIG 6
- a time signal scheme of a synchronization of the signal processing with manual operation with a time shift compared to FIG. 5.
Die vorliegenden Ausführungsbeispiele stellen bevorzugte Ausführungsformen der vorliegenden Erfindung dar.The present exemplary embodiments represent preferred embodiments of the present invention.
Die Übertragungsebenen beziehungsweise Kommunikationspartner unterschiedlicher Priorität bedienen sich verschiedenartiger Datenpakete. Wird für die Kommunikation in der untersten Ebene ein Grunddatenwort DW angesetzt, so werden diese Datensätze im ungestörten Fall zwischen den Partnern versandt. Tritt nun eine Anwendung / ein Teilnehmer einer höheren Priorität auf, so sollte die laufende Kommunikation unterbrochen und die notwendigen Informationen ausgetauscht werden. Zu diesem Zweck verschickt die Anwendung höherer Priorität Datenpakete, die deutlich länger sind als die der Anwendung niedrigerer Priorität. Bei unkoordiniertem Eintreffen der Worte höherer Priorität wird die laufende Kommunikation zunächst gestört, da der empfangene Kommunikationsteilnehmer die Überlagerung des ursprünglichen und des dazukommenden Sendesignals empfängt. Durch die zeitliche Länge des Sendesignals höherer Priorität kann allerdings nach abgeschlossenem Sendevorgang der niederprioren Verbindung ein Teil des neuen Sendesignals ungestört empfangen werden. Deshalb ist vorzugsweise das Sendesignal des Kommunikationselements höherer Priorität aus einem ersten und einem zweiten Block aufgebaut, wobei der zweite Block die vollständige zu übertragende Information enthält und selbst unter extremen Bedingungen immer nach einer beendigten Übertragung des ersten Blocks empfangen werden kann.The transmission levels or communication partners different priorities use different types Data packets. Used for communication at the lowest level a basic data word DW is set, so these data records dispatched between the partners in the case of an undisturbed situation. Now an application / a participant of a higher priority enters communication should be interrupted and the necessary information is exchanged. To the higher priority application sends data packets for this purpose, which are significantly longer than that of the application lower priority. In the event of uncoordinated arrival of the The current communication is the first priority disturbed because the received communication participant the superimposition of the original and the new one Received signal. By the length of the transmission signal higher priority can, however, after completion Sending the low-priority connection part of the new transmission signal can be received undisturbed. Therefore preferably the transmission signal of the communication element higher Priority built up from a first and a second block, the second block being the complete one to be transferred Always contains information, even under extreme conditions received after transmission of the first block is completed can be.
Je nachdem, ob die Übertragung absolute (z. B. Lautstärkepegel 3) oder relative Befehle (z. B. Erhöhung der Lautstärke um eine Stufe) enthält, kann der erste Teil des Datenpakets entweder aus mindestens einem der zu sendenden Datenworte oder aus einer Aneinanderreihung von Präambeln bestehen. Bei der Übertragung absoluter Daten besteht der Vorteil der Übertragung des Datenworts DW als erster Teil des Datenpakets darin, dass für den Fall fehlerfreier Übertragung die Daten bereits früher erkannt werden können. Eine Übertragung relativer Befehle kann in einem Datenpaket nicht zweimal erfolgen, da bei fehlerfreier Übertragung beispielsweise eine Erhöhung eines Werts sonst zweimal durchgeführt werden würde.Depending on whether the transmission is absolute (e.g. volume level 3) or relative commands (e.g. increasing the volume by one level), the first part of the data packet either from at least one of the data words to be sent or consist of a series of preambles. at the transmission of absolute data has the advantage of transmission of the data word DW as the first part of the data packet in that, in the event of error-free transmission, the data can be recognized earlier. A relative transfer Commands cannot occur twice in a data packet, since, for example, an increase in error-free transmission of a value would otherwise be performed twice.
Werden Folgen von Präambeln vorausgeschickt, enthalten diese Präambeln keine Informationen, sie zeigen dem System lediglich an, dass bald eine Datenübertragung folgen wird. Alle Teilnehmer geringerer Priorität werden während des Empfangs wichtigerer Daten beziehungsweise Präambeln daran gehindert, eine eigene Kommunikation aufzunehmen. Selbst wenn die Übertragung höherer Priorität beendet ist, wird der Übertragungskanal eine gewisse Zeit Tack freigehalten, bevor wieder eine Übertragung auf niederwertiger Ebene erfolgen darf.If sequences of preambles are sent ahead, these preambles do not contain any information, they merely indicate to the system that a data transmission will soon follow. All participants of lower priority are prevented from starting their own communication while receiving more important data or preambles. Even if the transmission of higher priority has ended, the transmission channel is kept clear for a certain amount of time before a transmission can again take place at a lower level.
Wird allgemein eine Übertragung der Priorität N ausgeführt, so haben die Datenpakete eine minimale Länge von {(N+1)DW}. Die Priorität steigt mit wachsender Zahl N. Unter der Annahme höchstens einer Kommunikation innerhalb einer Prioritätsebene kann auf diese Weise die jeweils wichtigste Kommunikation ungestört erfolgen. Besitzen Teilnehmer, die keine Information über die ablaufende Kommunikationen besitzen, eine höhere Priorität, so können sie ihre Daten in das Kommunikationssystem einbringen.If a priority N transmission is generally carried out, the data packets have a minimum length of {(N + 1) DW}. The priority increases with increasing number N. Assuming at most one communication within a priority level this way the most important communication can be undisturbed respectively. Own participants who have no information through which communications are in progress, a higher one Priority so they can put their data in the communication system contribute.
Eine Ausführungsform gemäß der vorliegenden Erfindung lässt sich entsprechend FIG 1 durch ein WIRELESS-System für Hörgeräteanwendungen realisieren. Das System besteht aus zwei Hörgeräten HG1, HG2 und einer Fernbedieneinheit RCU, die miteinander drahtlos kommunizieren. Aufgrund der begrenzten Sendeenergie der Hörgeräte HG1, HG2 sind die Übertragungsreichweiten begrenzt. Die Fernbedienung RCU ist nicht in die Kommunikation der beiden Hörgeräte eingebunden. An embodiment according to the present invention leaves 1 by a WIRELESS system for hearing aid applications realize. The system consists of two hearing aids HG1, HG2 and a remote control unit RCU that work together communicate wirelessly. Due to the limited transmission energy of the hearing aids HG1, HG2 are the transmission ranges limited. The remote control RCU is not in communication of the two hearing aids.
Weiterhin gibt es verschiedene Kommunikationsebenen. Die unterste
Ebene stellt der binaurale Abgleich der Hörgeräte 1, 2
bezüglich der Signalverarbeitungsalgorithmen dar. Beispielsweise
werden hierdurch die zu verwendenden Hörprogramme in
beiden Hörgeräten 1, 2 abgeglichen.There are also different levels of communication. The bottom one
Level is the binaural comparison of the hearing aids 1, 2
regarding the signal processing algorithms. For example
are the hearing programs to be used in
adjusted both
Eine Anwendung höherer Priorität ist die Bedienung der manuellen Bedienelemente am Hörgerät durch den Hörgeräteträger. Bei einer Bedienung sollte eine sonstige Kommunikation sofort unterbrochen und der binaurale Abgleich der Bedienelementeeinstellungen durchgeführt werden. Die Übertragung der Einstellwerte erfolgt mit absoluten Werten. Die Datenpakete bestehen demnach aus einer zweifachen Übertragung des ursprünglichen Datenworts.An application of higher priority is the operation of the manual Controls on the hearing aid by the hearing aid wearer. When operating, other communication should be immediate interrupted and the binaural adjustment of the control element settings be performed. The transfer of the setting values takes place with absolute values. The data packets exist therefore from a double transfer of the original Data word.
Tritt eine Bedienung der Fernbedienung RCU auf, wird die aktuelle Kommunikation wiederum unterbrochen und die gewünschte Fernbedienfunktion umgesetzt, da auch der Bedienung der Fernbedienung RCU sehr hohe Priorität eingeräumt wird. Dabei wird häufig auf relative Befehlssätze zurückgegriffen, wobei dem Datenwort eine Reihe von Präambeln vorangestellt ist.If the RCU remote control is operated, the current one Communication in turn interrupted and the desired Remote control function implemented, since also the operation of the remote control RCU is given very high priority. Doing so often resorted to relative instruction sets, whereby the Data word is preceded by a series of preambles.
Die zeitlichen Abläufe der Übertragung ergeben sich wie in FIG 2 bis 6 beschrieben. Zu erkennen ist, dass die Kommunikationen mit jeweils höherer Priorität im Falle eines Kommunikationskonfliktes die Kommunikation geringerer Priorität stören, zu einem Abbruch letzterer führen und ihre eigenen Daten übertragen. Wird beispielsweise gemäß FIG 2 eine Übertragung aufgrund einer manuellen Bedienung angeregt, so werden vom Hörgerät HG1 absolute Datenpakete doppelt an das andere Hörgerät HG2 übermittelt. Damit werden die Nutzdaten in einem ersten Teil und erneut in einem zweiten Teil des Datenpakets übertragen. Den beiden Teilen ist - wie jedem Datenpaket - eine Initialisierungspräambel vorangestellt, die jedoch der Übersicht halber in sämtlichen Figuren nicht dargestellt ist. The timing of the transmission results as in FIG 2 to 6 described. It can be seen that the communications with higher priority in the event of a communication conflict disrupt lower priority communication, to abort the latter and their own data transfer. For example, according to FIG. 2, a transmission due to manual operation, the Hearing aid HG1 absolute data packets double to the other hearing aid HG2 transmitted. So that the user data in one first part and again in a second part of the data packet transfer. The two parts - like every data packet - preceded by an initialization preamble, which, however, the For the sake of clarity, it is not shown in all the figures.
Tritt innerhalb einer gewissen Zeit Tack eine weitere Bedienung auf, so muss das entsprechende Datenwort nur noch einfach gesendet werden, da andere Kommunikationsteilnehmer niedrigerer Priorität mindestens eine Zeit Tack schweigen, bevor weitere Übertragungen angestoßen werden. Nach dieser Zeit Tack sendet das bediente Gerät dann noch einen endgültigen Synchronisationsbefehl zum binauralen Abgleich, der von dem anderen Teilnehmer HG2 mit einer Quittung beantwortet wird. Auf diese Weise können die Einstellungen, z. B. Lautstärkesteller oder Programmwahl, die am Hörgerät HG1 manuell vorgenommen werden, drahtlos auf das Hörgerät HG2 übertragen werden. Die Bestätigungszeit Tack kann dabei für die beiden Hörgeräte HG1 und HG2 unterschiedlich sein.If further operation occurs within a certain time T ack , the corresponding data word only has to be sent simply because other communication participants of lower priority remain silent for at least a time T ack before further transmissions are initiated. After this time T ack , the operated device then sends a final synchronization command for binaural adjustment, which is answered by the other subscriber HG2 with an acknowledgment. In this way, the settings, e.g. B. volume control or program selection, which are made manually on the hearing aid HG1, can be transmitted wirelessly to the hearing aid HG2. The confirmation time T ack can be different for the two hearing aids HG1 and HG2.
FIG 3 zeigt ein zeitliches Signalschema für den Fall einer automatischen Synchronisation der Signalverarbeitung. Zunächst sendet das Hörgerät HG1 ein Datenpaket zum Abgleich ab. Daraufhin sendet auch das weitere im Hörgerätesystem befindliche Hörgerät HG2 ein Synchronisationsdatenpaket zum Abgleich ab. Auf diese Weise werden den Hörgeräten wechselseitig diejenigen Einstellwerte übermittelt, die die eigene Signalverarbeitung aufgrund der Umgebungsbedingungen als optimal ermittelt hat. Um jedoch unterschiedliche Hörgeräteeinstellungen aufgrund der unterschiedlichen Lagen der Hörgeräte zu vermeiden, findet ein entsprechender Abgleich statt.3 shows a time signal scheme for the case of a automatic synchronization of signal processing. First HG1 sends a data packet for comparison from. Then the other one in the hearing aid system also transmits Hearing aid HG2 a synchronization data packet for comparison from. In this way, the hearing aids are reciprocal transmits those setting values that the own signal processing due to the environmental conditions as optimal has determined. However, to different hearing aid settings due to the different positions of the hearing aids a corresponding comparison takes place.
Weiterhin kann die binaurale Information zur Steuerung von Signalverarbeitungsalgorithmen, z. B. einer Störgeräuschunterdrückung, verwendet werden.Furthermore, the binaural information for controlling Signal processing algorithms, e.g. B. noise suppression, be used.
Setzt, wie in FIG 4 angedeutet ist, ein Sendevorgang der Fernbedienung ein, die durch die begrenzte Reichweite der Hörgerätekommunikation keine Kenntnis über ablaufende Kommunikationsvorgänge hat, so überträgt diese zunächst eine Folge von Präambeln in einem ersten Teil, bevor das eigentliche Nutzdatenwort in einem zweiten Teil des Datenpakets folgt. Den beiden Teilen ist wieder eine nicht dargestellte Initialisierungspräambel vorangestellt. Da die Hörgeräte unmittelbar auf die Fernbedienung reagieren sollen, wird den Datenpaketen der Fernbedienung eine sehr hohe Priorität eingeräumt, was durch die große Länge des ersten von der Fernbedienung gesendeten Datenpakets umgesetzt ist. Nach dieser hochprioren Nachricht sind auch hier die Hörgeräte HG1 und HG2 über eine vorgegebene Zeit am Senden gehindert. Währenddessen können von der Fernbedienung ohne weiteres Kurzdatenpakete, beispielsweise für die Lautstärkeeinstellung und Programmwahl, an die Hörgeräte übertragen werden. Im Anschluss an diese bei den Hörgeräten erzwungene Sendepause erfolgt wiederum ein Abgleich zwischen den Hörgeräten, wie er im Zusammenhang mit FIG 2 bereits beschrieben wurde. Dieser Abgleich stellt sicher, dass auch beide Hörgeräte HG1 und HG2 die Befehle von der Fernbedienung erhalten haben.As indicated in FIG. 4, a transmission process sets the Remote control by the limited range of the Hearing aid communication no knowledge of ongoing communication processes first, it transmits a sequence of preambles in a first part before the real one User data word follows in a second part of the data packet. The two parts are again an initialization preamble, not shown prefixed. Because the hearing aids immediately the data packets are to react to the remote control give the remote control a very high priority, what by the great length of the first of the remote control sent data packet is implemented. After this high priority The hearing aids HG1 and HG2 are also a message here predetermined time prevented from sending. Meanwhile, you can from the remote control without further short data packets, for example for volume adjustment and program selection, are transmitted to the hearing aids. Following this at The transmission pause forced on the hearing aids is again compared between the hearing aids as related to FIG 2 has already been described. This comparison ensures that both hearing aids HG1 and HG2 also the commands from the remote control.
In FIG 5 ist der Fall dargestellt, dass während der Synchronisation
der Signalverarbeitung der beiden Hörgeräte eine manuelle
Bedienung stattfindet. Das Hörgerät HG1 sendet in diesem
Fall ein übliches Synchronisationsdatenpaket zum Abgleich
der Signalverarbeitung ab. Bereits während des Sendens dieses
Synchronisationsdatenpakets setzt die manuelle Bedienung am
Hörgerät 2 ein, so dass das Hörgerät HG2 ein verlängertes Datenpaket
abschickt, um den Synchronisationsvorgang abzubrechen.
Die Übermittlung der Einstellwerte durch die manuelle
Bedienung am Hörgerät HG2 gewinnt damit höchste Priorität.
Das am Ende des Datenpakets übertragene Datenwort kann somit
problemlos vom Hörgerät 1 empfangen werden. Nach Ablauf der
Zeitdauer Tack findet wiederum ein Bestätigungs- beziehungsweise
Synchronisationsvorgang statt, bei dem das den Einstellwert
der manuellen Bedienung enthaltende Datenwort nochmals
vom Hörgerät 2 abgesandt und anschließend vom Hörgerät 1
quittiert wird. Daran anschließend findet nun der Synchronisationsvorgang
der Signalverarbeitung wie in FIG 3 statt.5 shows the case where manual operation takes place during the synchronization of the signal processing of the two hearing aids. In this case, the hearing aid HG1 sends a customary synchronization data packet to compare the signal processing. The manual operation on the
In FIG 6 ist wiederum ein Fall dargestellt, bei dem die Synchronisation der Signalverarbeitung durch eine manuelle Bedienung unterbrochen wird. In diesem Fall findet die manuelle Bedienung am Hörgerät HG1 statt und liegt zeitlich hinter dem Synchronisationsdatenpaket des Hörgeräts HG1. Der durch die manuelle Bedienung gewünschte Einstellwert wird auch hier aus Prioritätsgründen doppelt übertragen. Da die manuelle Bedienung beziehungsweise die diesbezügliche Übertragung des gewünschten Einstellwerts erst nach dem Synchronisationsdatenpaket einsetzt, beginnt das Hörgerät HG2 noch mit einem eigenen Synchronisationsdatenpaket darauf zu antworten. Die beiden Sendevorgänge überschneiden sich in diesem Fall so, dass auch das zweite Datenwort zur Übermittlung des Einstellwerts der manuellen Bedienung, das vom Hörgerät HG1 abgesendet wird, durch den Sendevorgang des Hörgeräts HG2 teilweise überlagert wird. Beide Datenwörter können vom Hörgerät HG2 nicht fehlerfrei empfangen werden. Da jedoch wie üblich nach einer gewissen Zeit ein Abgleich der eingestellten Hörgeräteparameter durchgeführt wird, bei dem das Hörgerät HG1 den Einstellwert erneut sendet, wird dem Hörgerät HG2 nun die Möglichkeit gegeben, das Datenpaket komplett zu empfangen. Das Hörgerät HG2 quittiert diesen Empfang entsprechend. Da die Synchronisation der Signalverarbeitung auch hier nicht vollzogen werden konnte, findet sie nach dem Abgleich der Hörgeräteparameter in üblicher Weise statt.6 shows a case in which the synchronization signal processing through manual operation is interrupted. In this case, the manual one Operation on the hearing aid HG1 takes place and is behind the time HG1 hearing aid synchronization data packet. The one through the Manual operation desired setting value is also made here Priority reasons transferred twice. Because manual operation or the relevant transfer of the desired Setting value only after the synchronization data packet the HG2 hearing aid starts with its own Reply to synchronization data packet. The two In this case, transmission processes overlap so that also the second data word for transmitting the setting value the manual operation sent by the HG1 hearing aid is partially overlaid by the transmission process of the hearing aid HG2 becomes. Both data words can be from the hearing aid HG2 cannot be received correctly. However, as usual after a comparison of the set hearing aid parameters after a certain time is carried out in which the hearing aid HG1 Sends the setting value again, the hearing aid HG2 is now the Possibility to receive the data packet completely. The hearing aid HG2 acknowledges this reception accordingly. There the synchronization of the signal processing is not here either could be carried out after the comparison of the Hearing aid parameters take place in the usual way.
Claims (30)
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- 2003-12-22 DE DE50310278T patent/DE50310278D1/en not_active Expired - Lifetime
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EP2582158A1 (en) * | 2005-06-05 | 2013-04-17 | Starkey Laboratories, Inc. | Communication system for wireless audio devices |
US9774961B2 (en) | 2005-06-05 | 2017-09-26 | Starkey Laboratories, Inc. | Hearing assistance device ear-to-ear communication using an intermediate device |
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US8059825B2 (en) | 2006-03-27 | 2011-11-15 | Siemens Audiologische Technik Gmbh | Hearing device system with binaural data logging and corresponding method |
EP1841285A1 (en) * | 2006-03-27 | 2007-10-03 | Siemens Audiologische Technik GmbH | Hearing aid system with binaural datalogging and corresponding method |
EP1715723A3 (en) * | 2006-05-16 | 2006-12-06 | Phonak AG | Hearing system with network time |
EP1715723B2 (en) † | 2006-05-16 | 2012-12-05 | Phonak AG | Hearing system with network time |
US8588443B2 (en) | 2006-05-16 | 2013-11-19 | Phonak Ag | Hearing system with network time |
US10728678B2 (en) | 2006-07-10 | 2020-07-28 | Starkey Laboratories, Inc. | Method and apparatus for a binaural hearing assistance system using monaural audio signals |
US10051385B2 (en) | 2006-07-10 | 2018-08-14 | Starkey Laboratories, Inc. | Method and apparatus for a binaural hearing assistance system using monaural audio signals |
US11678128B2 (en) | 2006-07-10 | 2023-06-13 | Starkey Laboratories, Inc. | Method and apparatus for a binaural hearing assistance system using monaural audio signals |
US10469960B2 (en) | 2006-07-10 | 2019-11-05 | Starkey Laboratories, Inc. | Method and apparatus for a binaural hearing assistance system using monaural audio signals |
US11064302B2 (en) | 2006-07-10 | 2021-07-13 | Starkey Laboratories, Inc. | Method and apparatus for a binaural hearing assistance system using monaural audio signals |
US8483416B2 (en) | 2006-07-12 | 2013-07-09 | Phonak Ag | Methods for manufacturing audible signals |
US11218815B2 (en) | 2007-01-03 | 2022-01-04 | Starkey Laboratories, Inc. | Wireless system for hearing communication devices providing wireless stereo reception modes |
US9854369B2 (en) | 2007-01-03 | 2017-12-26 | Starkey Laboratories, Inc. | Wireless system for hearing communication devices providing wireless stereo reception modes |
US10511918B2 (en) | 2007-01-03 | 2019-12-17 | Starkey Laboratories, Inc. | Wireless system for hearing communication devices providing wireless stereo reception modes |
US11765526B2 (en) | 2007-01-03 | 2023-09-19 | Starkey Laboratories, Inc. | Wireless system for hearing communication devices providing wireless stereo reception modes |
WO2009080108A1 (en) * | 2007-12-20 | 2009-07-02 | Phonak Ag | Hearing system with joint task scheduling |
US8477975B2 (en) | 2007-12-20 | 2013-07-02 | Phonak Ag | Hearing system with joint task scheduling |
WO2010130530A1 (en) * | 2009-05-11 | 2010-11-18 | Siemens Medical Instruments Pte. Ltd. | Remote control and method for adjusting a technical speech aid |
US10212682B2 (en) | 2009-12-21 | 2019-02-19 | Starkey Laboratories, Inc. | Low power intermittent messaging for hearing assistance devices |
US11019589B2 (en) | 2009-12-21 | 2021-05-25 | Starkey Laboratories, Inc. | Low power intermittent messaging for hearing assistance devices |
EP2947899A1 (en) * | 2010-10-08 | 2015-11-25 | Oticon A/s | Wireless binaural hearing system |
US8942396B2 (en) | 2010-10-08 | 2015-01-27 | Oticon A/S | Wireless binaural hearing system |
EP2439960A1 (en) * | 2010-10-08 | 2012-04-11 | Oticon A/S | Wireless binaural hearing system |
US9635470B2 (en) | 2010-10-11 | 2017-04-25 | Starkey Laboratories, Inc. | Method and apparatus for monitoring wireless communication in hearing assistance systems |
US8712083B2 (en) | 2010-10-11 | 2014-04-29 | Starkey Laboratories, Inc. | Method and apparatus for monitoring wireless communication in hearing assistance systems |
US10003379B2 (en) | 2014-05-06 | 2018-06-19 | Starkey Laboratories, Inc. | Wireless communication with probing bandwidth |
US10484804B2 (en) | 2015-02-09 | 2019-11-19 | Starkey Laboratories, Inc. | Hearing assistance device ear-to-ear communication using an intermediate device |
Also Published As
Publication number | Publication date |
---|---|
DK1445982T4 (en) | 2013-01-21 |
DE10304648B3 (en) | 2004-08-19 |
DE50310278D1 (en) | 2008-09-18 |
DK1445982T3 (en) | 2008-11-24 |
ATE404031T1 (en) | 2008-08-15 |
EP1445982B2 (en) | 2012-09-26 |
US7245731B2 (en) | 2007-07-17 |
CN1330110C (en) | 2007-08-01 |
EP1445982B1 (en) | 2008-08-06 |
JP4455082B2 (en) | 2010-04-21 |
US20050089183A1 (en) | 2005-04-28 |
JP2004242315A (en) | 2004-08-26 |
CN1527500A (en) | 2004-09-08 |
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