EP1575335A2 - Sendevorrichtung zum Senden von Signalen an ein Hörgerät und entsprechendes Verfahren sowie Hörhilfevorrichtung - Google Patents
Sendevorrichtung zum Senden von Signalen an ein Hörgerät und entsprechendes Verfahren sowie Hörhilfevorrichtung Download PDFInfo
- 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
- Authority
- 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
Links
- 238000000034 method Methods 0.000 title claims description 9
- 230000005236 sound signal Effects 0.000 claims description 36
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000001228 spectrum Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Images
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.
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- 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)
Abstract
Description
Der Sender überträgt somit nur die Hüllkurve h des abgegebenen Signals eventuell frequenzspezifisch in mehreren Bändern zum Empfänger, der diese wiederum seinem direkt empfangenen, akustischen Signal-Spektrum, das Direktschall-Anteile enthält, aufprägt und so das von der Schallquelle Q abgegebene Signal wesentlich besser repräsentiert als das vom Empfängerhörgerät HGE aufgenommene, auf der Übertragungsstrecke verrauschte Direktschall-Signal.
Claims (12)
- Sendevorrichtung zum Senden von Signalen an ein Hörgerät (HGE) mitgekennzeichnet durcheiner Mikrofoneinrichtung (MS) zum Aufnehmen eines Schallsignals (qs) undeiner Sendeeinrichtung (S) zum Senden eines elektromagnetischen Signals (h),eine Signalverarbeitungseinrichtung (FB, HE) zum Extrahieren einer Hüllkurve aus dem aufgenommenen Schallsignal (qs) und Bereitstellen eines Hüllkurvensignals für die Sendeeinrichtung, so dass das Hüllkurvensignal (h) elektromagnetisch übertragbar ist.
- Sendevorrichtung nach Anspruch 1, wobei mit der Signalverarbeitungseinrichtung (FB, HE) mehrere Hüllkurven in verschiedenen Frequenzbändern extrahierbar sind.
- Sendevorrichtung nach Anspruch 1 oder 2, die als Hörgerät (HGS) oder als am Körper tragbares Accessoire ausgestaltet ist.
- Sendevorrichtung nach einem der vorhergehenden Ansprüche, wobei die Mikrofoneinrichtung (MS) ein Richtmikrofon umfasst.
- Verfahren zum Senden von Signalen an ein Hörgerät (HGE) durchAufnehmen eines Schallsignals (qs) undSenden eines elektromagnetischen Signals (h), gekennzeichnet durchExtrahieren (HE) einer Hüllkurve aus dem aufgenommenen Schallsignal (qs) und Bereitstellen eines Hüllkurvensignals (h) undelektromagnetisches Senden (S) des Hüllkurvensignals (h).
- Verfahren nach Anspruch 5, wobei aus dem aufgenommenen Schallsignal (qs) mehrere Hüllkurven in verschiedenen Frequenzbändern extrahiert werden.
- Hörhilfevorrichtung miteiner Mikrofoneinrichtung (ME) zum Aufnehmen eines Schallsignals (qs + n),einer Empfangseinrichtung (E) zum Empfangen eines elektromagnetischen Signals (h), das eine Hüllkurve eines Originalsignals (qs), auf dem das von der Mikrofoneinrichtung (ME) aufgenommene Schallsignal (qs) basiert, umfasst, undeiner Signalerzeugungseinrichtung (FB, HR) zum Erzeugen eines Hörhilfeausgangssignals (as) aus dem aufgenommenen Schallsignal (qs + n) von der Mikrofoneinrichtung (ME) und der Hüllkurve von der Empfangseinrichtung (E).
- Hörhilfevorrichtung nach Anspruch 7, wobei in der Signalerzeugungseinrichtung (FB, HR) mehrere Hüllkurven für verschiedene Frequenzbänder zum Erzeugen des Hörhilfeausgangssignals verwertbar sind.
- Hörhilfevorrichtung nach Anspruch 7 oder 8, wobei in der Signalerzeugungseinrichtung (FB, HR) das aufgenommene Schallsignal (qs + n) entsprechend der Hüllkurve/Hüllkurven modulierbar ist.
- Verfahren zum Betreiben eines Hörgeräts (HGE) durchAufnehmen eines Schallsignals (qs + n),Empfangen eines elektromagnetischen Signals (h), das eine Hüllkurve eines Originalsignals (qs), auf dem das aufgenommene Schallsignal (qs + n) basiert, umfasst, undErzeugen eines Hörhilfeausgangssignals (as) aus dem aufgenommenen Schallsignal (qs + n) und der Hüllkurve.
- Verfahren nach Anspruch 10, wobei mehrere Hüllkurven für verschiedene Frequenzbänder beim Erzeugen des Hörhilfeausgangssignals (as) berücksichtigt werden.
- Verfahren nach Anspruch 10 oder 11, wobei das aufgenommene Schallsignal (qs + n) entsprechend der Hüllkurve oder den Hüllkurven moduliert wird.
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 (de) | 2005-09-14 |
| EP1575335A3 EP1575335A3 (de) | 2009-08-12 |
| EP1575335B1 EP1575335B1 (de) | 2011-10-05 |
Family
ID=34813605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05101232A Expired - Lifetime EP1575335B1 (de) | 2004-03-05 | 2005-02-18 | Übertragungssystem zum Senden von Signalen an ein Hörgerät und entsprechendes Verfahren |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7580534B2 (de) |
| EP (1) | EP1575335B1 (de) |
| JP (1) | JP4072167B2 (de) |
| CN (1) | CN1665349A (de) |
| AU (1) | AU2005200988B2 (de) |
| DE (1) | DE102004010868B3 (de) |
| DK (1) | DK1575335T3 (de) |
Families Citing this family (6)
| 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 (de) | 2011-05-23 | 2012-11-28 | Oticon A/S | Verfahren zur Identifizierung eines drahtlosen Kommunikationskanals in einem Tonsystem |
| 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)
| 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)
| 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 |
| JPS547219A (en) | 1977-06-20 | 1979-01-19 | Fujitsu Ltd | Adaptive lincomplex system |
| JPS547220A (en) | 1977-06-20 | 1979-01-19 | Fujitsu Ltd | Adaptive lincomlpex 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 |
| EP1531650A3 (de) * | 2003-11-12 | 2008-07-09 | Gennum Corporation | Hörhilfegerät mit einer drahtlosen Basiseinheit |
-
2004
- 2004-03-05 DE DE102004010868A patent/DE102004010868B3/de not_active Expired - Lifetime
-
2005
- 2005-02-18 EP EP05101232A patent/EP1575335B1/de not_active Expired - Lifetime
- 2005-02-18 DK DK05101232.6T patent/DK1575335T3/da active
- 2005-03-01 JP JP2005055736A patent/JP4072167B2/ja not_active Expired - Fee Related
- 2005-03-03 US US11/072,944 patent/US7580534B2/en not_active Expired - Fee Related
- 2005-03-04 CN CN2005100530210A patent/CN1665349A/zh active Pending
- 2005-03-04 AU AU2005200988A patent/AU2005200988B2/en not_active Ceased
Patent Citations (3)
| 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 |
|---|---|
| JP4072167B2 (ja) | 2008-04-09 |
| EP1575335A3 (de) | 2009-08-12 |
| AU2005200988A1 (en) | 2005-09-22 |
| US20050201578A1 (en) | 2005-09-15 |
| AU2005200988B2 (en) | 2007-03-01 |
| DE102004010868B3 (de) | 2005-09-22 |
| EP1575335B1 (de) | 2011-10-05 |
| US7580534B2 (en) | 2009-08-25 |
| JP2005253078A (ja) | 2005-09-15 |
| DK1575335T3 (da) | 2012-02-13 |
| CN1665349A (zh) | 2005-09-07 |
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