EP0219025B1 - Appareil auditif - Google Patents
Appareil auditif Download PDFInfo
- 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
Links
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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
- H04R25/50—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)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Stereophonic System (AREA)
- Semiconductor Lasers (AREA)
- Inorganic Insulating Materials (AREA)
- Gyroscopes (AREA)
- Adornments (AREA)
- Finger-Pressure Massage (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Claims (13)
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 (fr) | 1987-04-22 |
EP0219025B1 true EP0219025B1 (fr) | 1990-06-13 |
Family
ID=6283720
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP86113800A Expired - Lifetime EP0219025B1 (fr) | 1985-10-16 | 1986-10-06 | Appareil auditif |
Country Status (6)
Country | Link |
---|---|
US (1) | US5046102A (fr) |
EP (1) | EP0219025B1 (fr) |
JP (1) | JPS6295099A (fr) |
AT (1) | ATE53735T1 (fr) |
DE (1) | DE3672082D1 (fr) |
DK (1) | DK492186A (fr) |
Cited By (2)
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 (fr) | 2015-01-22 | 2018-03-14 | Sivantos Pte. Ltd. | Procédé et dispositif de suppression du bruit basée sur l'inter-corrélation de bandes secondaires |
Families Citing this family (22)
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 |
DK1101390T3 (da) | 1998-07-24 | 2004-08-02 | Siemens Audiologische Technik | Hörehjælpemiddel med forbedret taleforståelighed ved frekvensselektiv signalforarbejdning samt fremgangsmåde til drift af et sådant hörehjælpemiddel |
US7181297B1 (en) | 1999-09-28 | 2007-02-20 | Sound Id | System and method for delivering customized audio data |
DE60100453T2 (de) * | 2000-01-25 | 2004-05-27 | Widex A/S | Eine methode und ein system zur erzeugung eines kalibrierten schallfeldes |
EP1251714B2 (fr) * | 2001-04-12 | 2015-06-03 | Sound Design Technologies Ltd. | Système digital de prothèse auditive |
US6633202B2 (en) | 2001-04-12 | 2003-10-14 | Gennum Corporation | Precision low jitter oscillator circuit |
ES2258575T3 (es) * | 2001-04-18 | 2006-09-01 | Gennum Corporation | Instrumento de audicion de multiples canales con comunicacion entre canales. |
DE60223869D1 (de) * | 2001-04-18 | 2008-01-17 | Gennum Corp | Digitaler Quasi-Mittelwertdetektor |
ATE526792T1 (de) * | 2001-08-15 | 2011-10-15 | Sound Design Technologies Ltd | Rekonfigurierbare hörhilfevorrichtung mit niedrigem leistungsverbrauch |
US6944474B2 (en) * | 2001-09-20 | 2005-09-13 | Sound Id | Sound enhancement for mobile phones and other products producing personalized audio for users |
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 |
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 |
Family Cites Families (9)
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 |
DE3070698D1 (en) * | 1979-05-28 | 1985-07-04 | 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 |
-
1986
- 1986-10-06 AT AT86113800T patent/ATE53735T1/de not_active IP Right Cessation
- 1986-10-06 DE DE8686113800T patent/DE3672082D1/de not_active Expired - Fee Related
- 1986-10-06 EP EP86113800A patent/EP0219025B1/fr not_active Expired - Lifetime
- 1986-10-13 JP JP61242867A patent/JPS6295099A/ja active Pending
- 1986-10-14 US US06/918,468 patent/US5046102A/en not_active Expired - Fee Related
- 1986-10-15 DK DK492186A patent/DK492186A/da not_active Application Discontinuation
Cited By (3)
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 (fr) | 2015-01-22 | 2018-03-14 | Sivantos Pte. Ltd. | Procédé et dispositif de suppression du bruit basée sur l'inter-corrélation de bandes secondaires |
Also Published As
Publication number | Publication date |
---|---|
DK492186A (da) | 1987-04-17 |
DK492186D0 (da) | 1986-10-15 |
JPS6295099A (ja) | 1987-05-01 |
DE3672082D1 (de) | 1990-07-19 |
US5046102A (en) | 1991-09-03 |
EP0219025A1 (fr) | 1987-04-22 |
ATE53735T1 (de) | 1990-06-15 |
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