EP1909536A2 - Appareil auditif derrière l'oreille doté d'un microphone optique externe - Google Patents

Appareil auditif derrière l'oreille doté d'un microphone optique externe Download PDF

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Publication number
EP1909536A2
EP1909536A2 EP07115284A EP07115284A EP1909536A2 EP 1909536 A2 EP1909536 A2 EP 1909536A2 EP 07115284 A EP07115284 A EP 07115284A EP 07115284 A EP07115284 A EP 07115284A EP 1909536 A2 EP1909536 A2 EP 1909536A2
Authority
EP
European Patent Office
Prior art keywords
optical
hearing aid
behind
housing
ear
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.)
Granted
Application number
EP07115284A
Other languages
German (de)
English (en)
Other versions
EP1909536A3 (fr
EP1909536B1 (fr
Inventor
Ulrich Kornagel
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 Audiologische 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 Audiologische Technik GmbH filed Critical Siemens Audiologische Technik GmbH
Publication of EP1909536A2 publication Critical patent/EP1909536A2/fr
Publication of EP1909536A3 publication Critical patent/EP1909536A3/fr
Application granted granted Critical
Publication of EP1909536B1 publication Critical patent/EP1909536B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/008—Transducers other than those covered by groups H04R9/00 - H04R21/00 using optical signals for detecting or generating sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R25/00—Electric hearing aids
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
    • H04R2225/021—Behind the ear [BTE] hearing aids
    • H04R2225/0216—BTE hearing aids having a receiver in the ear mould

Definitions

  • the present invention relates to a behind-the-ear hearing aid having a housing that is portable behind the ear, a signal processing device arranged in the housing, which has an optical converter, and at least one optical microphone. Moreover, the present invention relates to a corresponding method for recording sound for a behind-the-ear hearing device.
  • Hearing aids are portable hearing aids that are used to care for the hearing impaired.
  • different types of hearing aids such as behind-the-ear hearing aids (BTE), in-the-ear hearing aids (IDO) and Concha hearing aids are provided.
  • BTE behind-the-ear hearing aids
  • IDO in-the-ear hearing aids
  • Concha hearing aids are provided.
  • the hearing aids listed by way of example are worn on the outer ear or in the ear canal.
  • bone conduction hearing aids, implantable or vibrotactile hearing aids are also available on the market. The stimulation of the damaged hearing takes place either mechanically or electrically.
  • Hearing aids have in principle as essential components an input transducer, an amplifier and an output transducer.
  • the input transducer is usually a sound receiver, z. As a microphone, and / or an electromagnetic receiver, for. B. an induction coil.
  • the output transducer is usually used as an electroacoustic transducer, z. As miniature speaker, or as an electromechanical transducer, z. B. bone conduction, realized.
  • the amplifier is usually integrated in a signal processing unit. This basic structure is shown in FIG 1 using the example of a behind-the-ear hearing aid. In a hearing aid housing 1 for carrying behind the ear, one or more microphones 2 for receiving the sound from the environment are installed.
  • a signal processing unit 3 also in the hearing aid housing 1, processes the microphone signals and amplifies them.
  • the output signal of the signal processing unit 3 is transmitted to a loudspeaker or earpiece 4, which outputs an acoustic signal.
  • the sound is optionally transmitted via a sound tube, which is fixed with an earmold in the ear canal, to the eardrum of the device carrier.
  • the power supply of the hearing device and in particular of the signal processing unit 3 is carried out by a likewise integrated into the hearing aid housing 1 battery. 5
  • the microphones are usually located in the housing behind the ear. The sound therefore does not experience the typical frequency response through the auricle on its way to the microphone or to the microphones. This results in the disadvantage that sound events are difficult to localize. It has therefore already been proposed that the microphone or microphones in the auricle, z. B. in the earmold to place. However, standard microphones with electrical supply are too large and conspicuous for this purpose.
  • Optical microphones are used because of their robustness against electromagnetic interference and chemically aggressive environment. Multiple optical microphones can be connected to a common optical fiber. This results in advantages over a three-wire cabling of an electric microphone.
  • the hearing aid system includes an in-the-ear hearing aid with microphone, amplifier and loudspeaker.
  • a hearing aid supplement module which has a fastening device for attachment to the head of a hearing device wearer, serves to expand or change the functionality of the in-ear hearing device.
  • the hearing aid supplement module can serve as an additional energy store.
  • the object of the present invention is to improve the acoustic properties of a behind-the-ear hearing aid while at the same time not significantly increasing the optical conspicuousness of the hearing aid but rather reducing it.
  • a behind-the-ear hearing aid with a portable behind the ear housing, arranged in the housing signal processing means having an opto-electrical converter, and at least one optical microphone, wherein the optical microphone disposed outside the housing and can be placed in the auricle or in the auditory canal, and the optical microphone for optical signal transmission via an optical waveguide is connected to the signal processing device.
  • optical microphone is used exclusively for the acousto-optical converter.
  • the subsequent components for routing the optical signal and for opto-electrical conversion should not fall under the term here.
  • the invention provides a method of recording sound for a behind-the-ear hearing aid by acousto-optically converting the sound to be recorded in an ear canal or ear into an optical signal, optically transmitting the optical signal to a housing of the behind-the-ear Ear hearing aid, optoelectrically converting the optical signal in the housing into an electrical signal for further processing by the behind-the-ear hearing aid.
  • the frequency response shaping by the auricle can also be utilized for hearing aid wearers.
  • optical Microphones usually relatively small feasible, so that they are visually less noticeable.
  • optical fibers are usually optically low in contrast, so that they can hardly be perceived.
  • optical microphones are less sensitive to sweat than electric microphones.
  • the optical fiber is a fiber optic cable. This can be realized very thin and visually less noticeable.
  • the hearing aid according to the invention has an earmold on which the optical microphone is fixed or in which the optical microphone is integrated. This allows the optical microphone in / on the auditory canal stable fix.
  • any type of earmold or earpiece can be used instead of the earmold.
  • the earmold or earmold may include or hold a speaker in addition to the optical microphone. An electrical or magnetic crosstalk from the speaker to the optical microphone is excluded.
  • a connecting line from the hearing aid housing to the auditory canal which is used for sound transport or sound generation, is also used for transmitting the optical signals.
  • an insulating tube of the supply line may be formed as the optical waveguide for transmitting the optical signal.
  • this sound tube can be used as the Fiber optic cables serve to transmit the optical signal.
  • FIG. 2 shows by way of example a behind-the-ear hearing aid which is worn behind an auricle 10. It consists of a housing 11, which contains the essential signal processing components including the battery (see FIG 1). However, in the example of FIG. 2, the loudspeaker 12 and the microphone, here an optical microphone 13, are outsourced from the hearing device housing 11. The loudspeaker 12 and the optical microphone 13 are fixed in the auditory canal 14 by means of an earmold, which is not shown in FIG. 2 for the sake of clarity.
  • the loudspeaker 12 is electrically connected to the hearing aid housing 11 or the signal processing unit located therein by means of a customary electronic cable 15.
  • the loudspeaker 12 or the corresponding sound outlet is directed in the auditory canal approximately to the eardrum 16.
  • a sound tube may also simply be provided here to guide the sound from a loudspeaker integrated into the housing 11 (cf. FIG. 1) into the auditory canal 14.
  • the earmold is equipped as mentioned with the optical microphone 13.
  • This optical microphone 13 has a membrane in the usual design, which is optically scanned. Accordingly, a light source is to be provided in the housing 11, the light of which is guided to the optical microphone 13 via an optical waveguide 17 which is guided parallel to the electrical cable 15 from the housing 11 to the earmold. The light is reflected at the membrane and interferences result according to the vibration of the membrane. The reflected light is transmitted via the optical waveguide 17 back to the housing 11. In the housing is located upstream of the signal processing unit, an opto-electrical converter, which converts the optical signal of the microphone 13 for further processing into an electrical signal.
  • the optical microphone 13 is simply attached to the earmold.
  • the membrane may also be integrated in the earmold shell, if appropriate, flush with the surface.
  • the optical waveguide 17 is then brought to the rear of the membrane from the side of the eardrum forth to the membrane, as is symbolically indicated in FIG.
  • the membrane is made of the same material as the earmold.
  • it can be formed integrally with the earmold, for example, in an injection molding process.
  • the membrane can be injected into the otoplastic using suitable injection molding techniques.
  • An alternative embodiment is that instead of a separate optical waveguide 17, as shown in FIG. 2, an existing physical connection between the hearing aid housing 11 and the otoplastic is used to transmit the optical signal of the optical microphone 13.
  • the insulating tube of the electric cable 15 realize with a material having light pipe properties.
  • the insulating tube of the electric cable 15 thus serves as the optical waveguide for transmitting the signals from the optical microphone to the hearing aid signal processing.
  • a crosstalk from the electrical speaker supply to the microphone power supply is not to be feared in this case, since the speaker is electrically powered and the microphone optically powered or tapped.
  • the sound tube can be designed as an optical waveguide. Also in this case, the sound tube thus has dual functionality.
  • optical waveguide 17 is barely visible per se, so that this hearing aid is relatively inconspicuous. Even less visible is the optical waveguide, if it is integrated as mentioned in the electrical line or the sound tube.
  • optical microphone 13 but also the optical waveguide 17 are relatively small and space-saving. This accommodates the optical microphone in an otoplastic is readily possible.
  • RIC device receiver in the channel
  • fewer components are required as a whole in the embodiment of FIG 2, so that this variant also cheaper in the manufacturing cost should be.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Optical Couplings Of Light Guides (AREA)
EP07115284A 2006-10-02 2007-08-30 Appareil auditif derrière l'oreille doté d'un microphone optique externe Not-in-force EP1909536B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102006046700A DE102006046700A1 (de) 2006-10-02 2006-10-02 Hinter-dem-Ohr-Hörgerät mit externem, optischem Mikrofon

Publications (3)

Publication Number Publication Date
EP1909536A2 true EP1909536A2 (fr) 2008-04-09
EP1909536A3 EP1909536A3 (fr) 2010-05-19
EP1909536B1 EP1909536B1 (fr) 2011-07-20

Family

ID=38805691

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07115284A Not-in-force EP1909536B1 (fr) 2006-10-02 2007-08-30 Appareil auditif derrière l'oreille doté d'un microphone optique externe

Country Status (5)

Country Link
US (1) US8243971B2 (fr)
EP (1) EP1909536B1 (fr)
AT (1) ATE517521T1 (fr)
DE (1) DE102006046700A1 (fr)
DK (1) DK1909536T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009083372A3 (fr) * 2008-12-02 2009-12-17 Phonak Ag Dispositif auditif modulaire
WO2010092193A3 (fr) * 2010-06-07 2011-03-17 Phonak Ag Dispositif auditif comprenant un guide lumineux et procédé de fabrication d'un tel dispositif auditif
DE102013000848A1 (de) 2013-01-21 2014-07-24 Hubertus Frank Sprachen-Übersetzungsgerät

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US7867160B2 (en) * 2004-10-12 2011-01-11 Earlens Corporation Systems and methods for photo-mechanical hearing transduction
US8295523B2 (en) * 2007-10-04 2012-10-23 SoundBeam LLC Energy delivery and microphone placement methods for improved comfort in an open canal hearing aid
US7668325B2 (en) * 2005-05-03 2010-02-23 Earlens Corporation Hearing system having an open chamber for housing components and reducing the occlusion effect
WO2009049320A1 (fr) 2007-10-12 2009-04-16 Earlens Corporation Système et procédé multifonction pour une audition et une communication intégrées avec gestion de l'annulation du bruit et de la contre-réaction
JP4355359B1 (ja) * 2008-05-27 2009-10-28 パナソニック株式会社 マイクを外耳道開口部に設置する耳掛型補聴器
WO2009155358A1 (fr) 2008-06-17 2009-12-23 Earlens Corporation Dispositifs d’audition électromécaniques optiques dotés de composants d’alimentation et de signal séparés
US8396239B2 (en) 2008-06-17 2013-03-12 Earlens Corporation Optical electro-mechanical hearing devices with combined power and signal architectures
WO2009155361A1 (fr) 2008-06-17 2009-12-23 Earlens Corporation Dispositifs auditifs électro-mécaniques optiques présentant une architecture combinant puissance et signal
DK3509324T3 (da) 2008-09-22 2023-10-02 Earlens Corp Balancerede armaturindretninger og fremgangsmåder til at høre
KR101306566B1 (ko) 2009-04-06 2013-09-09 비덱스 에이/에스 보청기 및, 이러한 보청기의 2개의 부품 사이에서 통신을 행하는 방법
DK2438768T3 (en) 2009-06-05 2016-06-06 Earlens Corp Optically coupled acoustically mellemøreimplantatindretning
US9544700B2 (en) 2009-06-15 2017-01-10 Earlens Corporation Optically coupled active ossicular replacement prosthesis
US8401214B2 (en) 2009-06-18 2013-03-19 Earlens Corporation Eardrum implantable devices for hearing systems and methods
CN102640435B (zh) 2009-06-18 2016-11-16 伊尔莱茵斯公司 光学耦合的耳蜗植入系统及方法
CN102598714A (zh) * 2009-06-22 2012-07-18 音束有限责任公司 圆窗耦合的听力系统和方法
WO2011005479A2 (fr) 2009-06-22 2011-01-13 SoundBeam LLC Systèmes et procédés de conduction osseuse à couplage optique
US8715154B2 (en) 2009-06-24 2014-05-06 Earlens Corporation Optically coupled cochlear actuator systems and methods
WO2010151636A2 (fr) 2009-06-24 2010-12-29 SoundBeam LLC Dispositifs et procédés de stimulation cochléaire optique
DE102009050663A1 (de) 2009-10-26 2011-04-28 Siemens Aktiengesellschaft Auskultationsvorrichtung, Verfahren zur Auskultation und medizinisches Untersuchungs- und Diagnosegerät
WO2012088187A2 (fr) 2010-12-20 2012-06-28 SoundBeam LLC Appareil auditif intra-auriculaire anatomiquement personnalisé
DE102011107780B4 (de) * 2011-07-15 2016-02-04 Hansaton Akustik Gmbh Hörgerät mit optischer Signalübertragung und Ladesystem mit optischer Signalübertragung
EP3214857A1 (fr) 2013-09-17 2017-09-06 Oticon A/s Dispositif d'aide auditive comprenant un système de transducteur d'entrée
US10034103B2 (en) 2014-03-18 2018-07-24 Earlens Corporation High fidelity and reduced feedback contact hearing apparatus and methods
EP3169396B1 (fr) 2014-07-14 2021-04-21 Earlens Corporation Limitation de crête et polarisation coulissante pour dispositifs auditifs optiques
US9924276B2 (en) 2014-11-26 2018-03-20 Earlens Corporation Adjustable venting for hearing instruments
EP3355801B1 (fr) 2015-10-02 2021-05-19 Earlens Corporation Appareil intra-auriculaire personnalisé d'administration de médicament
US10306381B2 (en) 2015-12-30 2019-05-28 Earlens Corporation Charging protocol for rechargable hearing systems
US10492010B2 (en) 2015-12-30 2019-11-26 Earlens Corporations Damping in contact hearing systems
US11350226B2 (en) 2015-12-30 2022-05-31 Earlens Corporation Charging protocol for rechargeable hearing systems
US20180077504A1 (en) 2016-09-09 2018-03-15 Earlens Corporation Contact hearing systems, apparatus and methods
WO2018093733A1 (fr) 2016-11-15 2018-05-24 Earlens Corporation Procédure d'impression améliorée
DE102017128117A1 (de) * 2017-11-28 2019-05-29 Ear-Technic GmbH Modulares Hörgerät
WO2019173470A1 (fr) 2018-03-07 2019-09-12 Earlens Corporation Dispositif auditif de contact et matériaux de structure de rétention
WO2019199680A1 (fr) 2018-04-09 2019-10-17 Earlens Corporation Filtre dynamique
US10616692B1 (en) * 2018-11-15 2020-04-07 Facebook Technologies, Llc Optical microphone for eyewear devices

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DE102005013833B3 (de) * 2005-03-24 2006-06-14 Siemens Audiologische Technik Gmbh Hörhilfevorrichtung mit optischem Mikrofon
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009083372A3 (fr) * 2008-12-02 2009-12-17 Phonak Ag Dispositif auditif modulaire
US8625830B2 (en) 2008-12-02 2014-01-07 Phonak Ag Modular hearing device
WO2010092193A3 (fr) * 2010-06-07 2011-03-17 Phonak Ag Dispositif auditif comprenant un guide lumineux et procédé de fabrication d'un tel dispositif auditif
DE102013000848A1 (de) 2013-01-21 2014-07-24 Hubertus Frank Sprachen-Übersetzungsgerät
DE202013012089U1 (de) 2013-01-21 2015-04-17 Hubertus Frank Sprachen-Übersetzungsgerät

Also Published As

Publication number Publication date
DK1909536T3 (da) 2011-10-24
ATE517521T1 (de) 2011-08-15
US8243971B2 (en) 2012-08-14
DE102006046700A1 (de) 2008-04-10
EP1909536A3 (fr) 2010-05-19
US20080107292A1 (en) 2008-05-08
EP1909536B1 (fr) 2011-07-20

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