EP1575335A2 - Dispositif de transmission pour la transmission de signaux à une prothèse auditive, méthode correspondante et prothèse auditive - Google Patents

Dispositif de transmission pour la transmission de signaux à une prothèse auditive, méthode correspondante et prothèse auditive Download PDF

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Publication number
EP1575335A2
EP1575335A2 EP05101232A EP05101232A EP1575335A2 EP 1575335 A2 EP1575335 A2 EP 1575335A2 EP 05101232 A EP05101232 A EP 05101232A EP 05101232 A EP05101232 A EP 05101232A EP 1575335 A2 EP1575335 A2 EP 1575335A2
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EP
European Patent Office
Prior art keywords
signal
hearing aid
envelope
sound signal
transmitting
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
EP05101232A
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German (de)
English (en)
Other versions
EP1575335B1 (fr
EP1575335A3 (fr
Inventor
Eghart Fischer
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
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Filing date
Publication date
Application filed by Siemens Audiologische Technik GmbH filed Critical Siemens Audiologische Technik GmbH
Publication of EP1575335A2 publication Critical patent/EP1575335A2/fr
Publication of EP1575335A3 publication Critical patent/EP1575335A3/fr
Application granted granted Critical
Publication of EP1575335B1 publication Critical patent/EP1575335B1/fr
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
    • H04R25/55—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

Definitions

  • the present invention relates to a transmitting device for Sending signals to a hearing aid with a microphone device for recording a sound signal and a transmitting device for transmitting an electromagnetic signal. Moreover, the present invention relates to a hearing aid device with a microphone device for recording a sound signal, a signal generating means for Generating a hearing aid output signal from the recorded Sound signal and a receiving device for receiving a electromagnetic signal. Furthermore, the present invention relates Invention corresponding method for transmitting signals to a hearing aid or to operate a hearing aid.
  • FM systems are known with which electromagnetic Signals are transmitted to a hearing aid can.
  • the stations used there are not about hearing aids.
  • a hearing aid in which the listener outside the hearing aid housing located in an earmold.
  • the connection between a Amplifier of the hearing aid and the handset is wireless.
  • One from the microphone recorded sound signal is known in the Way converted into an electrical signal and with a Amplifier amplified.
  • the wirelessly transmitted signal becomes taken with a corresponding receiver of the earmold and the recovered audio-frequency signals forwarded to the listener.
  • the object of the present invention is therefore to an improved hearing of weak sound signals for hearing aid wearers to ensure.
  • this object is achieved by a transmitting device for sending signals to a hearing aid with a Microphone device for recording a sound signal, a Transmitting device for transmitting an electromagnetic signal and a signal processing means for extracting a Envelope from the recorded sound signal and deploy an envelope signal for the transmitting device, so that the envelope signal is electromagnetically transferable.
  • the present invention provided a method for transmitting signals to a hearing aid by recording a sound signal and sending a sound electromagnetic signal, as well as extracting an envelope from the recorded sound signal under provision an envelope signal and electromagnetic transmission of the The envelope signal.
  • a hearing aid device with a microphone device for recording a sound signal, a signal generating means for Generating a hearing aid output signal from the recorded Sound signal and a receiving device for receiving a electromagnetic signal, the electromagnetic Signal an envelope of an original signal on which the from based on the microphone device recorded sound signal, includes and the envelope in the signal generator Considerable when generating the hearing aid output signal is.
  • a corresponding one is provided Method for operating a hearing aid by picking up a hearing aid Sound signal, generating a hearing aid output signal from the recorded sound signal and receiving an electromagnetic Signal, wherein the electromagnetic signal a Envelope of an original signal on which the recorded Sound signal is based, includes and the envelope when generating the hearing aid output signal is taken into account.
  • the transmitting device with the signal processing device several envelopes in different frequency bands from the recorded sound signal be extracted.
  • the to be transmitted Reduce information to a minimum.
  • the transmitting device can be used as a hearing aid or as a body be designed portable accessory.
  • So concrete could be a pocket hearing device or, for example, a ballpoint pen-shaped Sound recording unit can be used as a transmitter.
  • the Microphone device comprises a directional microphone. That's it possible that the hearing aid wearer targeted a sound source hears, even if he his hearing aid on omnidirectional operation has switched.
  • the signal generating device On the receiving side is in a particular embodiment of the present invention in the signal generating device the Recorded sound signal according to the envelope or the Envelopes modulated. Even if the recorded sound signal then substantially corresponds to a noise signal can through the envelope modulation quite understandable Signal are generated. The better of course the recorded Sound signal is, the better the modulated signal in its sound quality.
  • the hearing aid device is also designed as a hearing aid. Due to the low necessary data rate is thus a transmission of hearing aid to hearing aid possible.
  • the transmission power is advantageously so chosen that the electromagnetic envelope signals only a few meters are transferred. In this Distance are also signals over the acoustic Path for example in usual conversation and typical Ambient conditions still perceptible.
  • FIG. 1 In the figure is the communication between two hearing aids HGS and HGE sketched.
  • One of the two hearing aids HGS acts as transmitter and the other HGE hearing aid as receiver.
  • a sound source Q outputs a sound signal qs.
  • This Sound signal qs enters an electromagnetic path em and an acoustic path ak.
  • the electromagnetic path leads first to a microphone MS.
  • the output signal of the microphone MS is spectrally decomposed in a filter bank FB and with an envelope extractor HE will be from all frequency bands Extracted envelopes.
  • the envelope signals will be supplied to a transmitter S, the envelopes h electromagnetic to the receiving-side hearing aid HGE or its receiver E transfers.
  • the source signal qs with a Noise n which alters the envelope of the useful signal qs or destroyed, charged.
  • the sum signal qs + n is picked up by the microphone ME of the hearing aid HGE.
  • the output signal of the microphone ME is also in a filter bank FB decomposed into frequency bands.
  • an envelope restorer HR will be the original envelope of the Source signal qs restored as far as possible by the envelopes received by the receiver E are used.
  • This restored signal is as output as with restored envelope to a receiver H of the receiving side Hearing device forwarded, so that a corresponding acoustic signal can be output.
  • the transmitter S can be made relatively weak. Suffice it a transmission range in which the hearing aid wearer can at least still receive a part of the sound energy emitted by the sound source in a direct way. Typically, a range of less than 10 m is sufficient for this purpose.
  • the transmitter thus transmits only the envelope h of the output signal possibly frequency-specific in several bands to the receiver, which in turn impresses its directly received, acoustic signal spectrum containing direct sound components, and thus represents the signal emitted by the sound source Q much better as recorded by the receiver HGE hearing device, noisy on the transmission line direct signal.
  • the data rate for the electromagnetic transmission of some Envelopes can be that way versus one else necessary data rate for the transmission of a full audio signal be significantly reduced.
  • a reduction of the data rate by a factor of 40 to 400 may be in this type of transmission can be achieved, since here is a sampling frequency of 100 Hz for the envelope transmission as a rule is sufficient.
  • the microphone MS of the transmitting side hearing aid HGS can be the conventional Hearing Aid Microphone or better an additional one Bone conduction microphone, which is the voice signal without interference can record.
  • the transmitting unit must not be designed as a hearing aid. Rather, it is too possible, the envelope transmitter according to the invention in any To integrate accessory. This can then be in near a sound source, z. B. on the TV, in the Center of a conference table, etc., place or on the body wear.
  • the envelope transmitter can take the form own a pen and worn in a shirt pocket become.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Neurosurgery (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Transmitters (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Near-Field Transmission Systems (AREA)
EP05101232A 2004-03-05 2005-02-18 Système de transmission pour la transmission de signaux à une prothèse auditive et méthode correspondante Expired - Lifetime EP1575335B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004010868A DE102004010868B3 (de) 2004-03-05 2004-03-05 Sendevorrichtung zum Senden von Signalen an ein Hörgerät und entsprechendes Verfahren sowie Hörhilfevorrichtung und Verfahren zum Betreiben eines Hörgeräts
DE102004010868 2004-03-05

Publications (3)

Publication Number Publication Date
EP1575335A2 true EP1575335A2 (fr) 2005-09-14
EP1575335A3 EP1575335A3 (fr) 2009-08-12
EP1575335B1 EP1575335B1 (fr) 2011-10-05

Family

ID=34813605

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05101232A Expired - Lifetime EP1575335B1 (fr) 2004-03-05 2005-02-18 Système de transmission pour la transmission de signaux à une prothèse auditive et méthode correspondante

Country Status (7)

Country Link
US (1) US7580534B2 (fr)
EP (1) EP1575335B1 (fr)
JP (1) JP4072167B2 (fr)
CN (1) CN1665349A (fr)
AU (1) AU2005200988B2 (fr)
DE (1) DE102004010868B3 (fr)
DK (1) DK1575335T3 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090030484A1 (en) * 2007-04-30 2009-01-29 Cochlear Limited Bilateral prosthesis synchronization
US8953810B2 (en) 2011-03-03 2015-02-10 Cochlear Limited Synchronization in a bilateral auditory prosthesis system
US9042996B2 (en) 2011-03-10 2015-05-26 Cochlear Limited Wireless communications in medical devices
EP2528358A1 (fr) 2011-05-23 2012-11-28 Oticon A/S Procédé d'identification d'un canal de communication sans fil dans un système sonore
US9415220B1 (en) * 2012-07-31 2016-08-16 Synchromax, Inc. Auricular stimulation for inflammatory parasympathetic diseases
CN104361787A (zh) * 2014-11-10 2015-02-18 西安酷派软件科技有限公司 信号转换系统和信号转换方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508830A1 (de) 1985-03-13 1986-09-18 Robert Bosch Gmbh, 7000 Stuttgart Hoergeraet
DE4327901C1 (de) 1993-08-19 1995-02-16 Markus Poetsch Vorrichtung zur Hörunterstützung
US20030044034A1 (en) 2001-08-27 2003-03-06 The Regents Of The University Of California Cochlear implants and apparatus/methods for improving audio signals by use of frequency-amplitude-modulation-encoding (FAME) strategies

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3681530A (en) * 1970-06-15 1972-08-01 Gte Sylvania Inc Method and apparatus for signal bandwidth compression utilizing the fourier transform of the logarithm of the frequency spectrum magnitude
JPS547220A (en) 1977-06-20 1979-01-19 Fujitsu Ltd Adaptive lincomlpex system
JPS547219A (en) 1977-06-20 1979-01-19 Fujitsu Ltd Adaptive lincomplex system
GB9027784D0 (en) * 1990-12-21 1991-02-13 Northern Light Music Limited Improved hearing aid system
JP2595042Y2 (ja) 1991-09-30 1999-05-24 株式会社オーディオテクニカ マイクロホン
JP4181311B2 (ja) 2001-05-01 2008-11-12 ティーオーエー株式会社 難聴者用のコミュニケーション・システム
US20050100182A1 (en) * 2003-11-12 2005-05-12 Gennum Corporation Hearing instrument having a wireless base unit

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3508830A1 (de) 1985-03-13 1986-09-18 Robert Bosch Gmbh, 7000 Stuttgart Hoergeraet
DE4327901C1 (de) 1993-08-19 1995-02-16 Markus Poetsch Vorrichtung zur Hörunterstützung
US20030044034A1 (en) 2001-08-27 2003-03-06 The Regents Of The University Of California Cochlear implants and apparatus/methods for improving audio signals by use of frequency-amplitude-modulation-encoding (FAME) strategies

Also Published As

Publication number Publication date
EP1575335B1 (fr) 2011-10-05
EP1575335A3 (fr) 2009-08-12
DK1575335T3 (da) 2012-02-13
JP2005253078A (ja) 2005-09-15
CN1665349A (zh) 2005-09-07
AU2005200988B2 (en) 2007-03-01
DE102004010868B3 (de) 2005-09-22
US20050201578A1 (en) 2005-09-15
US7580534B2 (en) 2009-08-25
JP4072167B2 (ja) 2008-04-09
AU2005200988A1 (en) 2005-09-22

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