EP1848245A2 - Appareil auditif à séparation de source en aveugle et procédé correspondant - Google Patents
Appareil auditif à séparation de source en aveugle et procédé correspondant Download PDFInfo
- Publication number
- EP1848245A2 EP1848245A2 EP20070106037 EP07106037A EP1848245A2 EP 1848245 A2 EP1848245 A2 EP 1848245A2 EP 20070106037 EP20070106037 EP 20070106037 EP 07106037 A EP07106037 A EP 07106037A EP 1848245 A2 EP1848245 A2 EP 1848245A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- hearing aid
- source
- hearing
- signals
- signal
- 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
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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
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/403—Linear arrays 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
- H04R2225/00—Details of deaf aids covered by H04R25/00, not provided for in any of its subgroups
- H04R2225/43—Signal processing in hearing aids to enhance the speech intelligibility
Definitions
- the present invention relates to a hearing aid with a source separation device for receiving a mixed signal from a plurality of sound sources and for generating a plurality of source-specific reception signals therefrom.
- a key issue for hearing aid users is understanding speech in an environment with multiple acoustic sources. Such a situation arises, for example, in a celebration in which many guests talk at the same time and with about the same volume. This problem is therefore referred to as the so-called cocktail party problem.
- One way to improve speech intelligibility is to use a directional microphone.
- the hearing aid wearer has to look in the direction from which he prefers to receive sound.
- the disadvantage of this solution is that the head must not be turned off from the source. There is thus a lack of flexibility.
- BSS blind source separation
- the object of the present invention is therefore to improve the perceptibility of a desired source for the user of a hearing aid.
- a hearing device having a source separation device for receiving at least one composite signal from a plurality of sound sources and generating a plurality of source-specific reception signals therefrom, and a presentation device for presenting each corresponding output signal to each of the plurality of input signals and a selection device for selecting one the multiple input signals by a user for further processing.
- a source separation device for receiving at least one composite signal from a plurality of sound sources and generating a plurality of source-specific reception signals therefrom
- a presentation device for presenting each corresponding output signal to each of the plurality of input signals and a selection device for selecting one the multiple input signals by a user for further processing.
- angle information about a reception angle is provided to each of the plurality of reception signals. Based on the angle information, the user can identify the desired source more quickly.
- the plurality of output signals are then presented in response to the associated reception angles from the presentation device. This makes it easier for the user to orient themselves, because, for example, the sources can always be presented in a fixed sequence from left to
- the invention is based on the idea that a hearing device can not automatically be clarified after a separation of the sources, which of them should preferably be presented.
- the hearing device wearer can now according to the invention switch to one of the channels provided in order to be able to listen to the corresponding source.
- the selection device is preferably in wireless communication with the presentation device.
- the hearing device may have a hearing device remote control, the selection device being integrated into the hearing device remote control is.
- the hearing aid remote control With the hearing aid remote control, a selection of a source is possible in a comfortable way.
- the hearing device may comprise a housing, wherein the selector means a knock on the housing as a dialing signal is registered.
- the selector means a knock on the housing as a dialing signal is registered.
- the separate sources can be presented separately one after the other.
- the successive presentation brings the advantage to the user that he gets all the sources offered without having to be actively involved, especially without eye contact with a switching unit.
- the output signals from the presentation device can be presented in a predefined time sequence. In this way, the user can be spared manual switching operations.
- a further preferred embodiment consists in that the selection device has a display unit on which sound sources can be displayed graphically as a function of the respective reception angles. Due to the graphical representation, some users can orient themselves better and faster.
- the source separation device can automatically register an alignment of the hearing device with one of the sound sources as a selection signal on the basis of the provided angle information. This requires no special operating element for manual operation on the hearing device.
- the hearing device If no angle information is provided by the source separation device, then it is necessary for the hearing device to have a directional microphone, so that an alignment of the hearing device with one of the sound sources for the selection device is automatically registered as a selection signal can. Also in this case, the user is released from manual operation.
- the hearing aid according to the invention shown in FIG has a plurality of input-side microphones M1, M2, ..., Mn.
- Each of the microphone signals consists of a mixed signal, which is caused by several signal sources.
- a BSS unit connected to the microphones performs automatic source separation.
- the BSS unit provides source specific output signals Q1, Q2, ..., Qm.
- a demultiplexer DM connected downstream of the BSS unit is used to select one of the output signals Q1 to Qm, each of which preferably contains the switching signal of one of the sound sources.
- the output signal of the demultiplexer DM is fed to a conventional signal processing unit SV. Its output signal in turn is fed to a loudspeaker L.
- the demultiplexer DM is controlled by a control device S1 and / or S2. These control devices serve both as a presentation device, ie for the consecutive presentation of each source signal Q1 to Qm, as well as a selection device for selecting a desired source signal on the basis of a successive presentation of the individual signals.
- a control unit S1 which has one or more keys.
- the demultiplexer DM is controlled by a control unit S2, which has a display.
- the recognized sources are shown on the display.
- angle information relating to an angle is also displayed graphically or numerically. With this graphical representation, the hearing aid wearer can better visualize the different sources, and by making comparisons with the real sources, he can more easily make a choice.
- other control interfaces can also be used as the control unit.
- the source selection should therefore be able to be performed manually by the hearing aid wearer by means of an operator interface or an operator control device.
- an operating device for example, an external device in question, such. B. the hearing aid remote control or extended to this operating function mobile device, a corresponding portable computer or the hearing aid itself.
- the desired source is selected by the hearing aid wearer by preferring each source from the hearing aid (s) successively, i. H. with increased level, is presented.
- the hearing aid wearer acknowledges the desired source by the operating device. In the simplest case, switching from one to the next source by pressing a button. For example, the further switching by pressing a button or knocking the hearing aid, if this is used as an operating device.
- the sources in the selection process can be presented sequentially sorted in a predetermined angular direction.
- the angular direction may be set clockwise or counterclockwise. But it can also be a switching of the angular direction allows to better meet the needs of the user.
- the operating device has a display function, so that the positions of the found sources can be visualized. If a touch screen is used, the selection can be made directly via the screen. However, this requires that the position information of the sources be transferred to the HMI device beforehand.
- the desired source may also be selected by the wearer of the hearing aid or hearing device looking in the direction of the desired source.
- the control of the demultiplexer is performed directly by the BSS unit.
- the BSS unit must be informed by pressing a button, for example, that the desired source, which is now in the 0 ° direction, should be selected.
- the dialing process can be fully automated by automatically selecting a source when it is viewed for more than a predetermined amount of time (eg, 4 seconds) during its preferred performance.
- the hearing aid wearer looks in the direction of the source of interest (0 ° azimuth direction) for selecting a source of interest.
- a highly selective directional microphone works simultaneously in the hearing aid, which receives only sound from a very narrow angle range around the 0 ° direction.
- the hearing aid is informed, for example by pressing a button, that the sound received by the directional microphone Sound is to be processed as useful sound.
- the useful source defined via the viewing direction is automatically selected, for example, by correlation analysis and preferably presented to the hearing device wearer. Even after this "learning process", the source no longer has to be viewed constantly.
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)
- Circuit For Audible Band Transducer (AREA)
- Stereophonic System (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102006018634.6A DE102006018634B4 (de) | 2006-04-21 | 2006-04-21 | Hörgerät mit Quellentrennung und entsprechendes Verfahren |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1848245A2 true EP1848245A2 (fr) | 2007-10-24 |
EP1848245A3 EP1848245A3 (fr) | 2008-03-12 |
EP1848245B1 EP1848245B1 (fr) | 2015-11-04 |
Family
ID=38180701
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07106037.0A Not-in-force EP1848245B1 (fr) | 2006-04-21 | 2007-04-12 | Appareil auditif à séparation de source en aveugle et procédé correspondant |
Country Status (4)
Country | Link |
---|---|
US (1) | US8199945B2 (fr) |
EP (1) | EP1848245B1 (fr) |
DE (1) | DE102006018634B4 (fr) |
DK (1) | DK1848245T3 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2200341A1 (fr) | 2008-12-16 | 2010-06-23 | Siemens Audiologische Technik GmbH | Procédé de fonctionnement d'un appareil d'aide auditive et appareil d'aide auditive doté d'un dispositif de séparation de sources |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2869599B1 (fr) * | 2013-11-05 | 2020-10-21 | Oticon A/s | Système d'assistance auditive biauriculaire comprenant une base de données de fonctions de transfert liées à la tête |
US10388297B2 (en) * | 2014-09-10 | 2019-08-20 | Harman International Industries, Incorporated | Techniques for generating multiple listening environments via auditory devices |
FR3051093A1 (fr) * | 2016-05-03 | 2017-11-10 | Sebastien Thibaut Arthur Carriou | Procede pour l'amelioration de la comprehension dans le bruit |
WO2018154143A1 (fr) | 2017-02-27 | 2018-08-30 | Tympres Bvba | Réglage d'un dispositif tel qu'une prothèse auditive ou un implant cochléaire sur la base d'une mesure |
EP3373603B1 (fr) * | 2017-03-09 | 2020-07-08 | Oticon A/s | Dispositif auditif comprenant un récepteur de son sans fil |
CN114900771B (zh) * | 2022-07-15 | 2022-09-23 | 深圳市沃特沃德信息有限公司 | 基于辅音耳机的音量调节优化方法、装置、设备及介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001087011A2 (fr) | 2000-05-10 | 2001-11-15 | The Board Of Trustees Of The University Of Illinois | Techniques de suppression d'interferences |
EP1538874A2 (fr) | 2003-12-01 | 2005-06-08 | Siemens Audiologische Technik GmbH | Dispositif d'écoute avec un traitement de signaux à dépendance directionnelle et procédé correspondant |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737430A (en) * | 1993-07-22 | 1998-04-07 | Cardinal Sound Labs, Inc. | Directional hearing aid |
US5479522A (en) * | 1993-09-17 | 1995-12-26 | Audiologic, Inc. | Binaural hearing aid |
US6766029B1 (en) * | 1997-07-16 | 2004-07-20 | Phonak Ag | Method for electronically selecting the dependency of an output signal from the spatial angle of acoustic signal impingement and hearing aid apparatus |
GB9813973D0 (en) * | 1998-06-30 | 1998-08-26 | Univ Stirling | Interactive directional hearing aid |
DE10145994C2 (de) * | 2001-09-18 | 2003-11-13 | Siemens Audiologische Technik | Hörgerät und Verfahren zur Steuerung eines Hörgeräts durch Klopfen |
US7243060B2 (en) * | 2002-04-02 | 2007-07-10 | University Of Washington | Single channel sound separation |
US7457426B2 (en) * | 2002-06-14 | 2008-11-25 | Phonak Ag | Method to operate a hearing device and arrangement with a hearing device |
US7076072B2 (en) * | 2003-04-09 | 2006-07-11 | Board Of Trustees For The University Of Illinois | Systems and methods for interference-suppression with directional sensing patterns |
US7319769B2 (en) * | 2004-12-09 | 2008-01-15 | Phonak Ag | Method to adjust parameters of a transfer function of a hearing device as well as hearing device |
-
2006
- 2006-04-21 DE DE102006018634.6A patent/DE102006018634B4/de not_active Expired - Fee Related
-
2007
- 2007-04-12 EP EP07106037.0A patent/EP1848245B1/fr not_active Not-in-force
- 2007-04-12 DK DK07106037.0T patent/DK1848245T3/da active
- 2007-04-17 US US11/787,690 patent/US8199945B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2001087011A2 (fr) | 2000-05-10 | 2001-11-15 | The Board Of Trustees Of The University Of Illinois | Techniques de suppression d'interferences |
EP1538874A2 (fr) | 2003-12-01 | 2005-06-08 | Siemens Audiologische Technik GmbH | Dispositif d'écoute avec un traitement de signaux à dépendance directionnelle et procédé correspondant |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2200341A1 (fr) | 2008-12-16 | 2010-06-23 | Siemens Audiologische Technik GmbH | Procédé de fonctionnement d'un appareil d'aide auditive et appareil d'aide auditive doté d'un dispositif de séparation de sources |
Also Published As
Publication number | Publication date |
---|---|
DK1848245T3 (da) | 2016-02-15 |
EP1848245B1 (fr) | 2015-11-04 |
EP1848245A3 (fr) | 2008-03-12 |
US20070253573A1 (en) | 2007-11-01 |
US8199945B2 (en) | 2012-06-12 |
DE102006018634B4 (de) | 2017-12-07 |
DE102006018634A1 (de) | 2007-10-25 |
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