EP1538874B1 - Dispositif d'écoute avec un traitement de signaux à dépendance directionnelle et procédé correspondant - Google Patents

Dispositif d'écoute avec un traitement de signaux à dépendance directionnelle et procédé correspondant Download PDF

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Publication number
EP1538874B1
EP1538874B1 EP04027529A EP04027529A EP1538874B1 EP 1538874 B1 EP1538874 B1 EP 1538874B1 EP 04027529 A EP04027529 A EP 04027529A EP 04027529 A EP04027529 A EP 04027529A EP 1538874 B1 EP1538874 B1 EP 1538874B1
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EP
European Patent Office
Prior art keywords
signal
hearing device
audio signal
directional
incoming audio
Prior art date
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Active
Application number
EP04027529A
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German (de)
English (en)
Other versions
EP1538874A2 (fr
EP1538874A3 (fr
Inventor
Bernd Beimel
Kristin Dr. Rohrseitz
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
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Publication date
Application filed by Siemens Audioligische Technik GmbH filed Critical Siemens Audioligische Technik GmbH
Publication of EP1538874A2 publication Critical patent/EP1538874A2/fr
Publication of EP1538874A3 publication Critical patent/EP1538874A3/fr
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Publication of EP1538874B1 publication Critical patent/EP1538874B1/fr
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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
    • H04R25/40—Arrangements for obtaining a desired directivity characteristic
    • H04R25/407—Circuits for combining signals of a plurality of transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only

Definitions

  • the present invention relates to a hearing device with a direction detection device for detecting a direction from which a sound signal from a sound source arrives at the hearing device, and a signal processing device for processing the incoming sound signal as a function of the detected direction. Moreover, the present invention relates to a corresponding method for operating such a hearing device.
  • Hearing aids often have directional microphones, with which the sound recording can be designed direction-dependent. For example, it is helpful for noise suppression to attenuate as far as possible the sound of a source of interference that is registered in a certain direction.
  • a generic hearing device is for example from the document DE 197 21 157 known.
  • the document describes WO 00/19770 a hearing aid and method for processing microphone signals in a hearing aid, in which a noise suppression in numerous listening situations is provided.
  • the hearing aid has a signal analysis unit which is able to change at least one property of the direction-dependent amplification or damping.
  • the signal analysis unit performs directional analysis of the microphone signals. The strengths of signal components of the microphone signals can be subdivided into several direction classes.
  • a binaural hearing system and a method for controlling such a hearing system are known.
  • the hearing system has a detection unit for detecting the direction of arrival of an acoustic signal. Noise sources are suppressed depending on the detected direction.
  • the further processing of the signal is influenced by a classification unit which classifies the incoming sound. The classification of the signals depends on the direction of incidence of the sound.
  • WO 02/32208 A2 a method for determining an acoustic environment situation for a hearing aid. From an input signal, characteristic features are extracted so that a classification can be performed. The classification information is used for signal processing.
  • the object of the present invention is thus to provide a hearing device, the z. B. protects better in a dangerous situation. Furthermore, a corresponding method for operating a hearing device should be specified.
  • the invention provides a method according to claim 8 for operating a hearing device.
  • the receiver device has a signal output device for outputting a signal via the signal class of the incoming sound signal to the carrier of the receiver device. Furthermore, this signal output device outputs a signal about the direction of the incoming sound signal to the wearer of the hearing device.
  • the output signal can be a voice signal or a tactile stimulus, eg a vibration.
  • a corresponding information-providing system into, for example, a hearing aid has the advantage of presenting a warning in a manner that conforms to the standards. This means that it can be ensured that the information arrives at the user, in contrast to the noise of a bicycle or moped, which may not have been sufficiently strengthened.
  • the direction detection device in the earphone device comprises an adaptive directional microphone.
  • the directional characteristic of the directional microphone can be adjusted, for example, depending on the signal class.
  • the directional characteristic of the microphone can also be adjusted as a function of the frequency of an incoming sound signal.
  • the one or more indentations or notches of a directional microphone characteristic can be rotated in a desired direction depending on the signal class and / or frequency.
  • the interference suppression can thus be varied accordingly in terms of quality.
  • a design as a headphone or head set is also conceivable in principle. This makes it possible, for example, that the wearer of a headset is made aware of the crying of a baby.
  • a hearing aid according to the invention comprises, as shown schematically in the figure, a directional microphone RM.
  • This directional microphone RM can be realized with binaural supply by the microphones from both sides.
  • the directional microphone RM also supplies directional information to a signal processing device VE in addition to the acoustic signals. This can be used to align the directional characteristic RC, which is indicated by dashed lines in the figure, the directional microphone RM in the desired manner.
  • the directional characteristic RC has one or more notches or notches.
  • a Notch N is drawn.
  • the sensitivity of the directional microphone RM is lowest.
  • the directional characteristic RC of a directional microphone RM is aligned with a source of interference Q. This is done by the notches or N are directed to the source of interference Q. By rotating the directivity, noises from the direction of the noise source Q can be effectively suppressed.
  • the direction information could be quantized in quadrants. Accordingly, for example, according to the present figure, the direction of the noise source Q could be referred to as "back left".
  • the directional microphone RM delivers the recorded sound signal also preprocessed to a noise classifier GK.
  • GK noise classifier
  • the recorded sound signals can also be classified only in terms of loudness. On the basis of this classification information, it can be recognized by the hearing aid HG or its signal processing device VE from which direction, if any, danger threatens.
  • the information about the type of noise and its direction can be transmitted by the signal processing device VE to a signal generator SG.
  • a speech signal with respect to the interference signal source Q is generated by means of a known algorithm. This speech signal is forwarded to the handset H of the hearing aid with sufficient volume. As a result, the hearing aid wearer receives the information about the interference signal source Q safely on the acoustic path.
  • the signal generator SG can also control a vibrator integrated into the hearing aid HG, if the signal of a certain signal class, for. B. bicycle bells, exceeds a certain predetermined threshold or louder when approaching the bike.
  • a certain signal class for. B. bicycle bells
  • the signal output of the hearing aid HG can also be done via other ways.
  • the hearing aid HG transmits the information obtained about the direction and nature of the noise to a mobile telephone and there triggers a corresponding vibration alarm or the like.
  • Hearing device HG done by the signal generator SG and the handset H a voice output, are output with the information about the movement of the object to the hearing aid.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Headphones And Earphones (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)

Claims (12)

  1. Ecouteur comprenant
    - un dispositif de détection de direction pour détecter une direction de laquelle un signal acoustique arrive d'une source ( Q ) sonore à l'écouteur,
    - un dispositif ( VE ) de traitement du signal pour traiter le signal acoustique entrant en fonction de la direction détectée, et
    - un dispositif ( GK ) de classification du bruit pour classer le signal acoustique arrivant de la source ( Q ) sonore en classes de signal de manière à ce que le signal acoustique arrivant puisse être traité dans le dispositif ( VE ) de traitement du signal également en fonction de la classe du signal,
    caractérisé en ce que l'écouteur
    - a un dispositif ( SG, H ) d'émission de signal pour l'émission d'un signal sur la classe du signal acoustique arrivant et un signal sur la direction du signal acoustique arrivant au porteur de l'écouteur.
  2. Ecouteur suivant la revendication 1, dans lequel le dispositif de détection de direction comprend un microphone ( RM ) directionnel adaptatif.
  3. Ecouteur suivant la revendication 2, dans lequel la caractéristique directionnelle du microphone ( RM ) directionnel est réglable en fonction de la classe du signal.
  4. Ecouteur suivant la revendication 2 ou 3, dans lequel la caractéristique directionnelle du microphone ( RM ) directionnel est réglable en fonction de la fréquence d'un signal acoustique arrivant.
  5. Ecouteur suivant l'une des revendications précédentes, dans lequel le dispositif ( SG, H ) d'émission de signal comporte un élément d'émission pour une émission vocale.
  6. Ecouteur suivant l'une des revendications précédentes, dans lequel le dispositif ( SG, H ) d'émission de signal comporte un élément d'émission pour des excitations tactiles.
  7. Ecouteur suivant l'une des revendications précédentes, qui est conformé en prothèse auditive ( HG ), en écouteur ou en head-set.
  8. Procédé pour faire fonctionner un écouteur par
    - détection d'une direction dans laquelle un signal acoustique arrive d'une source ( Q ) sonore,
    - traitement du signal acoustique arrivant en fonction de la direction détectée,
    - classification du signal acoustique arrivant de la source sonore en classes de signal et
    - traitement du signal acoustique arrivant également en fonction de la classe de signal,
    caractérisé en ce que l'on émet vers le au porteur de l'écouteur
    - un signal sur la classe de signal du signal acoustique arrivant et
    un signal sur la direction du signal acoustique arrivant.
  9. Procédé suivant la revendication 8, dans lequel on règle une caractéristique directionnelle d'un microphone ( RM ) directionnel en fonction de la classe du signal acoustique arrivant.
  10. Procédé suivant la revendication 9, dans lequel on règle la caractéristique directionnelle du microphone ( RM ) directionnel en fonction de la fréquence du signal acoustique arrivant.
  11. Procédé suivant la revendication 8, 9 ou 10, dans lequel on émet le signal sur la direction ou le signal sur la classe de signal sous la forme de paroles.
  12. Procédé suivant la revendication 8 à 11, dans lequel on émet le signal sur la direction et/ou le signal sur la classe de signal sous la forme d'excitation tactile.
EP04027529A 2003-12-01 2004-11-19 Dispositif d'écoute avec un traitement de signaux à dépendance directionnelle et procédé correspondant Active EP1538874B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10356093A DE10356093B3 (de) 2003-12-01 2003-12-01 Hörervorrichtung mit richtungsabhängiger Signalverarbeitung und entsprechendes Verfahren
DE10356093 2003-12-01

Publications (3)

Publication Number Publication Date
EP1538874A2 EP1538874A2 (fr) 2005-06-08
EP1538874A3 EP1538874A3 (fr) 2010-01-20
EP1538874B1 true EP1538874B1 (fr) 2011-03-09

Family

ID=34442384

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04027529A Active EP1538874B1 (fr) 2003-12-01 2004-11-19 Dispositif d'écoute avec un traitement de signaux à dépendance directionnelle et procédé correspondant

Country Status (4)

Country Link
US (1) US7386141B2 (fr)
EP (1) EP1538874B1 (fr)
DE (2) DE10356093B3 (fr)
DK (1) DK1538874T3 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006018634B4 (de) 2006-04-21 2017-12-07 Sivantos Gmbh Hörgerät mit Quellentrennung und entsprechendes Verfahren
US7957548B2 (en) 2006-05-16 2011-06-07 Phonak Ag Hearing device with transfer function adjusted according to predetermined acoustic environments
US7612655B2 (en) * 2006-11-09 2009-11-03 International Business Machines Corporation Alarm system for hearing impaired individuals having hearing assistive implanted devices
US8461986B2 (en) * 2007-12-14 2013-06-11 Wayne Harvey Snyder Audible event detector and analyzer for annunciating to the hearing impaired
DK2200341T3 (en) * 2008-12-16 2015-06-01 Siemens Audiologische Technik A method for driving of a hearing aid as well as the hearing aid with a source separation device
US8766765B2 (en) 2012-09-14 2014-07-01 Hassan Wael HAMADALLAH Device, method and computer program product to assist visually impaired people in sensing voice direction
WO2015075279A2 (fr) * 2015-03-13 2015-05-28 Phonak Ag Procédé de détermination des caractéristiques utiles pour un appareil acoustique sur la base de données de classification de sons enregistrés
US10507137B2 (en) * 2017-01-17 2019-12-17 Karl Allen Dierenbach Tactile interface system
EP3582513B1 (fr) * 2018-06-12 2021-12-08 Oticon A/s Dispositif auditif comprenant un abaissement de fréquence de source sonore adaptative
FR3094859B1 (fr) * 2019-04-05 2021-10-29 Orange Système d’aide auditive

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8529458U1 (de) * 1985-10-16 1987-05-07 Siemens AG, 1000 Berlin und 8000 München Hörgerät
DK0681411T3 (da) * 1994-05-06 2003-05-19 Siemens Audiologische Technik Programmerbart høreapparat
DE19703228B4 (de) * 1997-01-29 2006-08-03 Siemens Audiologische Technik Gmbh Verfahren zur Verstärkung von Eingangssignalen eines Hörgerätes sowie Schaltung zur Durchführung des Verfahrens
DE19721157A1 (de) * 1997-05-21 1998-11-26 Clasen Schulz Georg Dipl Ing Verfahren zur Optimierung eines Hörgerätes für Schwerhörige höheren Grades
FI113438B (fi) 1998-09-29 2004-04-15 Nokia Corp Saldo/veloitustiedon raportointi matkaviestintilaajalle
US6751325B1 (en) 1998-09-29 2004-06-15 Siemens Audiologische Technik Gmbh Hearing aid and method for processing microphone signals in a hearing aid
DE10048354A1 (de) * 2000-09-29 2002-05-08 Siemens Audiologische Technik Verfahren zum Betrieb eines Hörgerätesystems sowie Hörgerätesystem
CA2439427C (fr) * 2002-01-28 2011-03-29 Phonak Ag Procede de determination d'une situation acoustique environnante, utilisation du procede et appareil de correction auditive
US7286672B2 (en) * 2003-03-07 2007-10-23 Phonak Ag Binaural hearing device and method for controlling a hearing device system

Also Published As

Publication number Publication date
DK1538874T3 (da) 2011-06-27
DE10356093B3 (de) 2005-06-02
US20050141736A1 (en) 2005-06-30
EP1538874A2 (fr) 2005-06-08
DE502004012283D1 (de) 2011-04-21
US7386141B2 (en) 2008-06-10
EP1538874A3 (fr) 2010-01-20

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