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EP2028881B1 - Système d'aide auditive doté de capteurs de champ magnétique - Google Patents

Système d'aide auditive doté de capteurs de champ magnétique Download PDF

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Publication number
EP2028881B1
EP2028881B1 EP08105009A EP08105009A EP2028881B1 EP 2028881 B1 EP2028881 B1 EP 2028881B1 EP 08105009 A EP08105009 A EP 08105009A EP 08105009 A EP08105009 A EP 08105009A EP 2028881 B1 EP2028881 B1 EP 2028881B1
Authority
EP
European Patent Office
Prior art keywords
hearing
magnetic field
hearing aid
signal
hearing aids
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP08105009A
Other languages
German (de)
English (en)
Other versions
EP2028881A3 (fr
EP2028881A2 (fr
Inventor
Jens Hain
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sivantos GmbH
Original Assignee
Siemens Audioligische Technik GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP2028881A2 publication Critical patent/EP2028881A2/fr
Publication of EP2028881A3 publication Critical patent/EP2028881A3/fr
Application granted granted Critical
Publication of EP2028881B1 publication Critical patent/EP2028881B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • H04R25/43—Electronic input selection or mixing based on input signal analysis, e.g. mixing or selection between microphone and telecoil or between microphones with different directivity characteristics
    • 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
    • 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
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/31—Aspects of the use of accumulators in hearing aids, e.g. rechargeable batteries or fuel cells
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2460/00—Details of hearing devices, i.e. of ear- or headphones covered by H04R1/10 or H04R5/033 but not provided for in any of their subgroups, or of hearing aids covered by H04R25/00 but not provided for in any of its subgroups
    • H04R2460/03—Aspects of the reduction of energy consumption in hearing devices

Definitions

  • the invention relates to a hearing aid device system having a first and a second on or in the ear of a user portable hearing aid, each having an input transducer for receiving an input signal and conversion to an electrical input signal, a signal processing unit for processing and amplification of the electrical input signal and output of an electrical output signal and an output transducer for converting the electrical output signal into an audible by the user as an audible signal output signal, wherein the hearing aid system further comprises means for wireless signal transmission between the hearing aids.
  • the invention relates to a method for operating such a hearing aid device system.
  • a hearing aid with a reed contact known by a magnetic field of a certain field strength is detected in close proximity to the hearing aid. This is used to detect if the hearing aid is in close proximity to a telephone handset emitting a magnetic field. As a result, the operating mode "telephoning" can be set automatically for the relevant hearing aid device.
  • the publication US2005 / 0117764 relates to a hearing aid device for automatically switching to a telephone operation with a first hearing aid including a first recording device for receiving a first input signal and a second hearing aid including a second recording device for receiving a second input signal.
  • Object of the present invention is to provide a simple to implement and reliable automatic shutdown of the devices in a hearing aid device system of the type mentioned.
  • This object is achieved by a hearing aid device system having the features according to claim 1. Furthermore, this object is achieved by a method with the method steps according to claim 5.
  • an input signal is recorded by means of an input transducer and converted into an electrical input signal.
  • an input transducer usually serves as an input transducer at least one microphone which receives an acoustic input signal and an electrical input signal converts.
  • Modern hearing aids often comprise a microphone system with a plurality of microphones in order to achieve a direction dependent on the direction of arrival of acoustic signals reception, a directional characteristic.
  • telephone coils or antennas for receiving electromagnetic input signals and conversion to electrical input signals are also common as input transducers.
  • the input signals converted by the input transducer into electrical input signals are fed to a signal processing unit for further processing and amplification.
  • the further processing and amplification takes place to compensate for the individual hearing loss of a user usually in response to the signal frequency of the input signal.
  • the signal processing unit supplies at its output an electrical output signal, which is supplied via an output transducer to the hearing of the hearing aid wearer, so that the latter perceives the output signal as an acoustic signal.
  • output transducer conventionally earphones are used, which generate an acoustic output signal.
  • output transducers for generating mechanical vibrations are also known, which directly excite certain parts of the ear, such as the ossicles, to vibrate.
  • output transducers are known which directly stimulate neurons of the ear.
  • a hearing aid further comprises a voltage source (battery or rechargeable battery) for powering the electronic components.
  • controls on / off switch, program switch, volume control, etc. may be present.
  • each hearing aid device of the hearing aid device system comprises a signal transmission and control device, by means of which data and control signals can be transmitted between the hearing aid devices. This allows the signal processing of the two hearing aids are matched.
  • the hearing aids according to the invention each comprise a sensor device, by the magnetic fields in which the hearing aids are located and a specific Field strength exceed, can be detected.
  • the sensor devices are designed in a particularly simple manner as reed contacts.
  • other magnetic field sensors eg Hall sensors, come into consideration.
  • the sensitivity of the sensors is dimensioned so that only a magnetic field is detected when the sensor is in close proximity to the magnetic field generating magnet. As a result, only the hearing aid is automatically switched to the phone mode that supplies the ear to which the phone is held. The hearing aid that supplies the other ear, however, is not immediately switched automatically in the phone mode.
  • a sensor device for detecting an external magnetic field If it is e.g. in a storage box for the hearing aid in question, a permanent magnet, so it can be determined here by a corresponding sensor device that the hearing aid is in the storage box, so that the hearing aid is automatically turned off. Furthermore, it is possible that even when switched off, the sensor device remains active, whereby an automatic restart of the hearing aid in question after removal from the storage box is made possible. The power consumption of the sensor device in the off state is very low and can therefore be neglected.
  • the sensor device when detecting an external magnetic field, the sensor device can not recognize which of the two situations mentioned above exists.
  • a wireless signal transmission between the two hearing aids by a wireless signal transmission between the two hearing aids.
  • at least one of the hearing aid devices transmits the information as to whether an external magnetic field is detected to the other hearing aid device.
  • the magnetic field is only produced by this hearing aid device, but not by the hearing aid device worn in or on the other ear of the user due to the distance between the two hearing aids recognized. It is thus established that the listening situation "telephoning" is present and to which of the two hearing aids the telephone handset is held.
  • both hearing aids detect a relatively strong magnetic field in their immediate surroundings, this is an indication that the hearing aids are in the storage box and can be switched off.
  • the invention can be applied to all common types of hearing aid devices, such as behind the ear portable hearing aids (BTE), in the ear portable hearing aids (IDO) etc ..
  • BTE behind the ear portable hearing aids
  • IDO in the ear portable hearing aids
  • FIG. 1 shows a hearing aid system with a first on the head of a user portable hearing aid 1 and a
  • the hearing aids 1 and 11 each include a microphone 2 and 12 for receiving an acoustic input signal and conversion into an electrical input signal.
  • a signal processing unit 3 or 13 is used for processing and frequency-dependent amplification of the electrical input signal.
  • the electrical output signal generated by the signal processing unit 3 or 13 is converted by an earphone 4 or 14 into an acoustic output signal and supplied to the ear of a user.
  • the signal processing in the signal processing units 3 and 13 can be adapted to different listening environments by setting a plurality of parameters. There are, for example, hearing programs or operating modes "speech at rest", “speech in noise", "telephoning" etc.
  • the adjustment of the parameters of the individual hearing programs and the settings for individual compensation of the hearing loss of a user by means of signal transmission and control units 5 and 15, to which the transmitting and receiving coils 7 and 17 are connected for wireless data transmission, in conjunction with an external programming device (not shown). Furthermore, the status of reed contacts 6 and 16 can be interrogated by the signal transmission and control units 5 and 15, respectively. Are the reed contacts 6 and 16 in the immediate vicinity of a magnetic field whose field strength exceeds a certain threshold, so close the reed contacts 6 and 16. From this recognizes the corresponding hearing aid in a simple manner, whether it is in the immediate Proximity to a magnet is located.
  • both hearing aids 1 and 11 automatically switch off.
  • a residual power supply is maintained in the off state, by the condition of the reed contacts 6 and 16 can still be queried.
  • the hearing aids detect 1 and 11 when they are removed from the storage box.
  • an automatic restart of the hearing aid 1 and 11 can be realized. Manually operated on-off switches are unnecessary.
  • the voltage sources 8 and 18 for powering the hearing aids 1 and 11 are preferably rechargeable and the storage box for the hearing aids 1 and 11 is advantageously also designed as a charger for the voltage sources 8 and 18.
  • the hearing aids 1 and 11 are not only automatically switched off when stored in the storage box, but also recharged beyond.
  • FIG. 2 shows a flowchart for the automatic detection of the hearing situation "telephoning" and for automatically switching off two hearing aids of a hearing aid device system according to the invention.
  • a hearing aid device of a hearing aid device system concerned permanently or cyclically monitors the presence of an external magnetic field. As long as no magnetic field is detected, the hearing aid is in "normal operation". If a magnetic field is detected, this information is transmitted to the second hearing aid device in the hearing aid system. In addition, the hearing aid checks whether the other hearing aid of the hearing aid system sends the information that it is in a magnetic field.
  • the signal processing unit of the hearing aid device is transferred to a telephone mode, in which parameters for controlling the signal processing are specially adapted to the hearing situation "telephoning".
  • an information signal is transmitted to the second hearing aid device, from which it appears that the first hearing aid device is in the operating mode "Telephoning". If appropriate, the second hearing aid device can then also be converted into an operating mode adapted to this operating mode.
  • both hearing aids are in a magnetic field at the same time, this is an indication that the hearing aids are in a storage box equipped with at least one permanent magnet.
  • the hearing aids are then transferred to a shutdown, in which the hearing aids are largely switched off and only a residual power supply for the sensor device is maintained.
  • the hearing aid in question recognizes that it has been removed again from the storage box. It then switches itself on instantly.
  • the hearing aids detect in a simple manner both whether they are in the storage box and whether the hearing situation "telephoning" is present.
  • each hearing aid device only a single magnetic field sensor is required for this distinction.

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Near-Field Transmission Systems (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measuring Magnetic Variables (AREA)

Claims (5)

  1. Système de prothèse auditive, comprenant une première et une deuxième prothèses ( 1, 11 ) auditives pouvant être portées sur l'oreille ou dans 0l'oreille d'un utilisateur et comportant respectivement un transducteur ( 2, 12 ) d'entrée de réception d'un signal d'entrée et de transformation en un signal électrique d'entrée, une unité ( 3, 13 ) de transformation du signal pour traiter et amplifier le signal électrique d'entrée et émettre un signal électrique de sortie et un transducteur ( 4, 14 ) de sortie pour transformer le signal électrique de sortie en un signal de sortie perceptible par l'utilisateur sous la forme d'un signal acoustique, dans lequel le système de prothèse auditive comprend en outre des moyens ( 5, 7; 15, 17 ) de transmission sans fil du signal entre les prothèses ( 1, 11 ) auditives, caractérisé en ce que chacune des prothèses ( 1, 11 ) auditives comporte un dispositif de capteur pour la détection d'un champ magnétique extérieur, qui dépasse une certaine intensité du champ, des données se rapportant à la présence d'un champ magnétique extérieur pouvant être transmises par au moins l'une des prothèses ( 1, 11 ) auditives à l'autre ( 11, 11 ), l'une des prothèses ( 1, 11 ) auditives pouvant être commutée automatiquement dans un mode de fonctionnement adapté à la situation d'audition "téléphone", lorsque son dispositif de capteur détecte un champ magnétique et lorsqu'en même temps la deuxième prothèse auditive ne détecte pas de champ magnétique et les deux prothèses ( 1, 11 ) auditives pouvant être débranchées automatiquement, lorsque leurs dispositifs de capteur détectent en même temps respectivement un champ magnétique.
  2. Système de prothèse auditive suivant la revendication 1, dans lequel le dispositif de capteur comprend un contact ( 6, 16 ) Reed.
  3. Système de prothèse auditive suivant la revendication 1, dans lequel le dispositif de capteur comprend un capteur Hall.
  4. Système de prothèse auditive suivant la revendication 1, dans lequel les prothèses ( 1, 11 ) auditives comprennent respectivement au moins des sources ( 8, 18 ) de tension rechargeables et dans lequel les prothèses ( 1, 11 ) auditives peuvent être commutées automatiquement dans un mode de fonctionnement de rechargement des sources ( 8, 18 ) de tension, lorsque leurs dispositifs de capteur détectent en même temps respectivement un champ magnétique.
  5. Procédé pour faire fonctionner un système de prothèses auditives, comprenant une première et une deuxième prothèses ( 1, 11 ) auditives pouvant être portées sur ou dans l'oreille d'un utilisateur, respectivement un transducteur d'entrée recevant dans chacune des deux prothèses ( 1, 11 ) auditives un signal d'entrée et le transformant en un signal électrique d'entrée, une unité ( 3, 13 ) de traitement du signal traitant le signal électrique d'entrée et produisant un signal électrique de sortie et un transducteur ( 4, 14 ) de sortie transformant le signal électrique de sortie en un signal de sortie perceptible par l'utilisateur sous la forme d'un signal acoustique, et dans lequel il s'effectue une transmission sans fil du signal entre les prothèses ( 1, 11 ) auditives, caractérisé en ce que chaque prothèse ( 1, 11 ) auditive détecte la présence d'un champ magnétique extérieur, qui dépasse une intensité de champ déterminé et des données se rapportant à la présence d'un champ magnétique extérieur sont transmises d'au moins l'une des prothèses ( 1, 11 ) auditives à l'autre, une prothèse ( 1, 11 ) auditive pouvant être commutée automatiquement dans un mode de fonctionnement adapté à la situation d'audition "téléphone", lorsqu'elle détecte un champ magnétique et en même temps l'autre prothèse ( 11 ) auditive ne détecte pas de champ magnétique et les deux prothèses ( 1, 11 ) auditives pouvant être débranchées automatiquement, lorsqu'elles détectent en même temps un champ magnétique.
EP08105009A 2007-08-21 2008-08-11 Système d'aide auditive doté de capteurs de champ magnétique Active EP2028881B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102007039455A DE102007039455A1 (de) 2007-08-21 2007-08-21 Hörhilfegerätesystem mit Magnetfeldsensoren

Publications (3)

Publication Number Publication Date
EP2028881A2 EP2028881A2 (fr) 2009-02-25
EP2028881A3 EP2028881A3 (fr) 2010-07-14
EP2028881B1 true EP2028881B1 (fr) 2011-07-27

Family

ID=39864725

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08105009A Active EP2028881B1 (fr) 2007-08-21 2008-08-11 Système d'aide auditive doté de capteurs de champ magnétique

Country Status (5)

Country Link
US (1) US20090052707A1 (fr)
EP (1) EP2028881B1 (fr)
AT (1) ATE518384T1 (fr)
DE (1) DE102007039455A1 (fr)
DK (1) DK2028881T3 (fr)

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AT506055B1 (de) * 2007-04-30 2014-03-15 Cochlear Ltd Synchronisation von zweiseitigen prothesen
US8363872B2 (en) * 2009-04-14 2013-01-29 Dan Wiggins Magnetic earpiece coupling
AU2009354393A1 (en) 2009-10-19 2012-04-12 Widex A/S Hearing aid system with lost partner functionality
SG184255A1 (en) 2010-05-21 2012-11-29 Widex As Automatic power-off of hearing aid
US8515110B2 (en) * 2010-09-30 2013-08-20 Audiotoniq, Inc. Hearing aid with automatic mode change capabilities
US8953810B2 (en) 2011-03-03 2015-02-10 Cochlear Limited Synchronization in a bilateral auditory prosthesis system
EP2498514B1 (fr) * 2011-03-08 2014-01-01 Nxp B.V. Dispositif auditif et procédé de fonctionnement d'un dispositif auditif
EP2817979A1 (fr) 2012-02-22 2014-12-31 Phonak AG Système auditif binaural et son procédé de fonctionnement
US9288584B2 (en) * 2012-09-25 2016-03-15 Gn Resound A/S Hearing aid for providing phone signals
JP2015097385A (ja) * 2013-10-22 2015-05-21 ジーエヌ リザウンド エー／エスＧｎ Ｒｅｓｏｕｎｄ Ａ／Ｓ 中断可能なマイクロフォン電源を有する聴覚機器
EP2866471B1 (fr) * 2013-10-22 2016-08-03 GN Resound A/S Instrument auditif avec alimentation de microphone interruptible
US9467765B2 (en) 2013-10-22 2016-10-11 Gn Resound A/S Hearing instrument with interruptable microphone power supply
US10542340B2 (en) * 2015-11-30 2020-01-21 Bragi GmbH Power management for wireless earpieces
US10157037B2 (en) * 2016-03-31 2018-12-18 Bose Corporation Performing an operation at a headphone system
US9924255B2 (en) 2016-03-31 2018-03-20 Bose Corporation On/off head detection using magnetic field sensing
DE102017209816B3 (de) * 2017-06-09 2018-07-26 Sivantos Pte. Ltd. Verfahren zur Charakterisierung eines Hörers in einem Hörgerät, Hörgerät und Testvorrichtung für ein Hörgerät

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US4379988A (en) * 1981-01-19 1983-04-12 Patricio Mattatall Molded hearing aid and battery charger
DE3109049A1 (de) 1981-03-10 1982-09-30 Siemens AG, 1000 Berlin und 8000 München Hoergeraet
DK0941014T3 (da) 1998-03-03 2006-05-22 Siemens Audiologische Technik Höreapparatsystem med to höreapparater
US7447325B2 (en) * 2002-09-12 2008-11-04 Micro Ear Technology, Inc. System and method for selectively coupling hearing aids to electromagnetic signals
US7369671B2 (en) * 2002-09-16 2008-05-06 Starkey, Laboratories, Inc. Switching structures for hearing aid
DE10344367B4 (de) * 2003-09-24 2010-01-14 Siemens Audiologische Technik Gmbh Hörhilfegerät mit magnetfeldgesteuertem Schalter und entsprechendes Verfahren zum Betreiben eines Hörhilfegeräts
DE10347212B3 (de) * 2003-10-10 2005-03-24 Siemens Audiologische Technik Gmbh Hörhilfevorrichtung zum automatischen Schalten in einen Telefonbetrieb und entsprechendes Verfahren
DE102004056733A1 (de) * 2004-11-24 2006-06-08 Siemens Audiologische Technik Gmbh Akustiksystem mit automatischer Umschaltung

Also Published As

Publication number Publication date
EP2028881A3 (fr) 2010-07-14
DK2028881T3 (da) 2011-10-31
DE102007039455A1 (de) 2009-02-26
ATE518384T1 (de) 2011-08-15
EP2028881A2 (fr) 2009-02-25
US20090052707A1 (en) 2009-02-26

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