EP0219025B1 - Hörgerät - Google Patents

Hörgerät Download PDF

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Publication number
EP0219025B1
EP0219025B1 EP86113800A EP86113800A EP0219025B1 EP 0219025 B1 EP0219025 B1 EP 0219025B1 EP 86113800 A EP86113800 A EP 86113800A EP 86113800 A EP86113800 A EP 86113800A EP 0219025 B1 EP0219025 B1 EP 0219025B1
Authority
EP
European Patent Office
Prior art keywords
hearing aid
channel
aid according
voice frequency
frequency selecting
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.)
Expired - Lifetime
Application number
EP86113800A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0219025A1 (de
Inventor
Eberhard Prof. Dr. Zwicker
Thomas Dipl.-Ing. Beckenbauer
Günther Dipl.-Ing. Beer
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Priority to AT86113800T priority Critical patent/ATE53735T1/de
Publication of EP0219025A1 publication Critical patent/EP0219025A1/de
Application granted granted Critical
Publication of EP0219025B1 publication Critical patent/EP0219025B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • H04R25/50—Customised settings for obtaining desired overall acoustical characteristics
    • H04R25/502—Customised settings for obtaining desired overall acoustical characteristics using analog signal processing

Definitions

  • the invention relates to a hearing aid for the hearing impaired with a sound recording microphone arrangement and receiver, between which an arrangement of a plurality of speech frequency selection channels is switched on.
  • Hearing aids of this type are e.g. previously known from DE-A 3 027 953, EP-A 0 076 687 and WO 83/02212.
  • DE-A 3 027 953 the amplification in each voice channel can be influenced by means of output circuits assigned to each voice channel, which contain signal levels stored during a test phase. After switching from the test phase to the work phase, channels in the output circuit of which a high signal level is stored are preferred and the other channels are only weakly amplified, possibly even completely blocked.
  • EP-A 0 076 687 describes a hearing aid which is, however, equipped with two sets of bandpass filters. In the test phase, the desired frequency response is filtered out using the first of the two bandpass filter sets.
  • the second bandpass filter set is set so that the (speech) signal is preferably influenced in accordance with the selected frequency response.
  • the hearing aid automatically adjusts itself to the previously selected frequency spectrum.
  • the wearer of the hearing aid can then e.g. Concentrate entirely on the conversation partner, whose frequency spectrum is preferably filtered out of ambient noise (especially e.g. in very noisy environments) via the hearing aid.
  • each frequency channel has its own stored dynamic characteristic curve. So this is an influence by dynamic compression.
  • the object of the present invention is to provide a hearing aid for the hearing impaired which provides such aids.
  • the circuit according to the invention it is possible that in a multichannel system only the strongest channels are used by continuous and mutual influencing on the basis of differential signals formed from control signals of adjacent channels, while the weaker channels are completely suppressed. This ensures that the individual channels are only occupied with information in a certain fraction (e.g. 30%) of the time normally required. The pauses between the information in the individual channels are therefore larger than normal. As a result, the flow of information is better adapted to the poor time resolution of the hearing impaired. Speech comprehension is significantly improved.
  • the slope of the bandpass filter can be selected down to 12 dB per octave.
  • Block 16 contains an inhibition circuit which makes it possible to emphasize strong channels and to suppress weaker channels, taking into account the signal strengths in the adjacent channels.
  • the signals treated in accordance with this requirement are fed to the receiver 24 of the hearing device 1 via output amplifiers 17 to 22 and a power amplifier 23.
  • the receiver 24 is then connected in the usual way to the ear canal of one ear by means of a hearing olive or the like.
  • the listener can also sit directly in the ear.
  • a further hearing aid corresponding to the hearing aid 1 is provided for the ear canal of the second ear.
  • the purpose of the inhibition is to influence weak channels by strong adjacent channels in such a way that weak channels up to complete signaling oppression are further damped so that only strong channel signals come into play.
  • FIG. 2 shows the mode of operation of inhibition block 16.
  • Channel 4 is shown, for example. All other channels 5 to 9 are switched in a corresponding manner.
  • channel 4 comprises a voltage-controlled amplifier 25.
  • a low-pass filter 27 (time constant ⁇ 20 ms) forms the envelope of a signal arriving at the input of channel 4.
  • the signal of the envelope is weighted by a weighting element 28 (e.g. potentiometer or fixed resistor) with a factor K1 and fed to the positive input of a summer 29.
  • a weighting element 28 e.g. potentiometer or fixed resistor
  • the signals of the envelopes of the remaining five channels 5 to 9 are fed to the negative inputs of the summer 29 after appropriate weighting with weighting factors K2, K3, K4, K5 and K6 in weighting elements 30, 31, 32, 33 and 34 (for example potentiometers or fixed resistors) .
  • the signal of the envelope from channel 4 is also fed via signal lines 35 to the remaining channels 5, 6, 7, 8 and 9. There it is weighted in the same way and linked to weighted signals of the adjacent channels in summers.
  • the weighting factors are selected so that they emulate the healthy ear.
  • the factors in the present invention are to be individually adapted to the hearing damage of the hearing impaired. This is done differently for different hearing impairments based on audiometric measurements.
  • the inhibition circuit can be changed gradually between ineffective and fully effective in the course of the adaptation process during a longer training phase.
  • the hearing impaired can gradually get used to the speech pattern changed by the inhibition.
  • Potentiometers 36 are used, which are connected to the voltage-controlled amplifier 25 in the manner indicated in FIG. If necessary, the hearing impaired person can completely switch off the effects of the inhibition.

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  • 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)
  • Stereophonic System (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Adornments (AREA)
  • Finger-Pressure Massage (AREA)
  • Gyroscopes (AREA)
  • Semiconductor Lasers (AREA)
  • Inorganic Insulating Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
EP86113800A 1985-10-16 1986-10-06 Hörgerät Expired - Lifetime EP0219025B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT86113800T ATE53735T1 (de) 1985-10-16 1986-10-06 Hoergeraet.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3536881 1985-10-16
DE3536881 1985-10-16

Publications (2)

Publication Number Publication Date
EP0219025A1 EP0219025A1 (de) 1987-04-22
EP0219025B1 true EP0219025B1 (de) 1990-06-13

Family

ID=6283720

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86113800A Expired - Lifetime EP0219025B1 (de) 1985-10-16 1986-10-06 Hörgerät

Country Status (6)

Country Link
US (1) US5046102A (da)
EP (1) EP0219025B1 (da)
JP (1) JPS6295099A (da)
AT (1) ATE53735T1 (da)
DE (1) DE3672082D1 (da)
DK (1) DK492186A (da)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046703A1 (de) * 2006-10-02 2008-04-17 Siemens Audiologische Technik Gmbh Hörvorrichtung mit gesteuerten Eingangskanälen und entsprechendes Verfahren
EP3048813B1 (de) 2015-01-22 2018-03-14 Sivantos Pte. Ltd. Verfahren und vorrichtung zur rauschunterdrückung basierend auf inter-subband-korrelation

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2935266B2 (ja) * 1987-05-11 1999-08-16 ジャンポルスキー、アーサー 逆説的補聴器
DE3802903A1 (de) * 1988-02-01 1989-08-10 Siemens Ag Einrichtung zur uebertragung von sprache
US4953112A (en) * 1988-05-10 1990-08-28 Minnesota Mining And Manufacturing Company Method and apparatus for determining acoustic parameters of an auditory prosthesis using software model
US5111506A (en) * 1989-03-02 1992-05-05 Ensonig Corporation Power efficient hearing aid
US5259033A (en) * 1989-08-30 1993-11-02 Gn Danavox As Hearing aid having compensation for acoustic feedback
US5289544A (en) * 1991-12-31 1994-02-22 Audiological Engineering Corporation Method and apparatus for reducing background noise in communication systems and for enhancing binaural hearing systems for the hearing impaired
US5537477A (en) * 1994-02-07 1996-07-16 Ensoniq Corporation Frequency characteristic shaping circuitry and method
US5500902A (en) * 1994-07-08 1996-03-19 Stockham, Jr.; Thomas G. Hearing aid device incorporating signal processing techniques
US8085959B2 (en) * 1994-07-08 2011-12-27 Brigham Young University Hearing compensation system incorporating signal processing techniques
DE19619312A1 (de) * 1996-05-13 1997-11-20 Siemens Audiologische Technik Verstärkerschaltung des Eingangssignals eines Hörgeräts
DE59909190D1 (de) * 1998-07-24 2004-05-19 Siemens Audiologische Technik Hörhilfe mit verbesserter sprachverständlichkeit durch frequenzselektive signalverarbeitung sowie verfahren zum betrieb einer derartigen hörhilfe
US7181297B1 (en) 1999-09-28 2007-02-20 Sound Id System and method for delivering customized audio data
ATE244979T1 (de) * 2000-01-25 2003-07-15 Widex As Eine methode und ein system zur erzeugung eines kalibrierten schallfeldes
US6633202B2 (en) 2001-04-12 2003-10-14 Gennum Corporation Precision low jitter oscillator circuit
EP1251714B2 (en) * 2001-04-12 2015-06-03 Sound Design Technologies Ltd. Digital hearing aid system
DK1251715T4 (da) * 2001-04-18 2011-01-10 Sound Design Technologies Ltd Flerkanalshøreapparat med kommunikation mellem kanalerne
CA2382358C (en) * 2001-04-18 2007-01-09 Gennum Corporation Digital quasi-rms detector
US7113589B2 (en) * 2001-08-15 2006-09-26 Gennum Corporation Low-power reconfigurable hearing instrument
US6944474B2 (en) * 2001-09-20 2005-09-13 Sound Id Sound enhancement for mobile phones and other products producing personalized audio for users
US10986454B2 (en) 2014-01-06 2021-04-20 Alpine Electronics of Silicon Valley, Inc. Sound normalization and frequency remapping using haptic feedback
US8977376B1 (en) 2014-01-06 2015-03-10 Alpine Electronics of Silicon Valley, Inc. Reproducing audio signals with a haptic apparatus on acoustic headphones and their calibration and measurement
US8767996B1 (en) 2014-01-06 2014-07-01 Alpine Electronics of Silicon Valley, Inc. Methods and devices for reproducing audio signals with a haptic apparatus on acoustic headphones

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT324460B (de) * 1973-11-21 1975-09-10 Viennatome Hoergerate Produkti Hörgerateschaltung
DE2658301C2 (de) * 1976-12-22 1978-12-07 Siemens Ag, 1000 Berlin Und 8000 Muenchen Hörgerät
WO1980002767A1 (en) * 1979-05-28 1980-12-11 Univ Melbourne Speech processor
US4419544A (en) * 1982-04-26 1983-12-06 Adelman Roger A Signal processing apparatus
DE3027953A1 (de) * 1980-07-23 1982-02-25 Zuch, Erhard H., 4930 Detmold Elektro-akustisches hoergeraet mit adaptiver filterschaltung
JPS6032400B2 (ja) * 1981-08-07 1985-07-27 リオン株式会社 補聴器
US4454609A (en) * 1981-10-05 1984-06-12 Signatron, Inc. Speech intelligibility enhancement
DK546581A (da) * 1981-12-10 1983-06-11 Danavox As Fremgangsmaade til tilpasning af overfoeringsfunktionen i et hoereapparat til forskellige hoeredefekter samt hoereapparat til udoevelse af fremgangsmaaden
US4596902A (en) * 1985-07-16 1986-06-24 Samuel Gilman Processor controlled ear responsive hearing aid and method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006046703A1 (de) * 2006-10-02 2008-04-17 Siemens Audiologische Technik Gmbh Hörvorrichtung mit gesteuerten Eingangskanälen und entsprechendes Verfahren
US8139799B2 (en) 2006-10-02 2012-03-20 Siemens Audiologische Technik Gmbh Hearing apparatus with controlled input channels and corresponding method
EP3048813B1 (de) 2015-01-22 2018-03-14 Sivantos Pte. Ltd. Verfahren und vorrichtung zur rauschunterdrückung basierend auf inter-subband-korrelation

Also Published As

Publication number Publication date
JPS6295099A (ja) 1987-05-01
DK492186D0 (da) 1986-10-15
ATE53735T1 (de) 1990-06-15
DE3672082D1 (de) 1990-07-19
US5046102A (en) 1991-09-03
EP0219025A1 (de) 1987-04-22
DK492186A (da) 1987-04-17

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