CN101064972A - System and method for generating auditory spatial cues - Google Patents
System and method for generating auditory spatial cues Download PDFInfo
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- CN101064972A CN101064972A CNA2007100869657A CN200710086965A CN101064972A CN 101064972 A CN101064972 A CN 101064972A CN A2007100869657 A CNA2007100869657 A CN A2007100869657A CN 200710086965 A CN200710086965 A CN 200710086965A CN 101064972 A CN101064972 A CN 101064972A
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- 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
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
- H04S2420/01—Enhancing the perception of the sound image or of the spatial distribution using head related transfer functions [HRTF's] or equivalents thereof, e.g. interaural time difference [ITD] or interaural level difference [ILD]
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Abstract
This invention relates to a hearing aid system (100, 200, 300) for generating auditory spatial cues. The hearing aid system (100, 200, 300) comprises a first microphone unit (306) adapted to convert sound received at a first microphone (102) and received at a second microphone (104), a first delay unit (106) connected to the first microphone (102) delaying the signal from the first microphone (102), a first calculation unit (108) for summing the delayed signal of the first microphone (102) and signal of the second microphone (104), a processor unit (110) processing the summed signal, and a speaker converting the processed signal to a processed sound. The first and second microphones (102, 104) are separated by a predetermined first distance and the first delay unit (106) provides a predetermined first delay thereby generating a first auditory spatial cue representing a first spatial dimension in the summed signal.
Description
Technical field
The present invention relates to be used to produce the system and method for auditory spatial cues, be particularly related to hearing aids, wherein the loss of hearing aids compensation impaired hearing user's acoustic space position sense as hard of hearing formula (BTE), inner ear type (ITE), dark duct-type (CIC), duct-type receiver (RITE), middle ear implanted (MEI) or artificial cochlea (CI).
Background technology
The normal people of hearing has born position sense to the sound in its space environment.Thisly born feel that the sound that sends by somewhere in the residing space environment of people is sent to directly and indirectly that duct realizes.Therefore, the sound reflection that comes from human body such as trunk, shoulder, head, neck and ear outside provides head related transfer function (HRTF).In frequency domain, HRTF comprises a plurality of valleies and peak value, this be by sound before arriving duct, thereby the sound that reflection and generation time postpone is strengthened mutually with direct sound and the stack that weakens causes.These valleies and/or peak value are commonly called auditory spatial cues.
The pattern of the auditory spatial cues among the HRTF depends on the sound source of the sounding locus with respect to ear that causes reflection and body structure.Therefore auditory spatial cues can help the normal people of hearing to determine the position of sounding in the space environment.
The normal people of hearing has a kind of born instrument, and it utilizes the auditory spatial cues selection, concentrates or analyze the specific sound in its space environment of hearing.Yet if the hearing spatial cues appears in someone the hearing impaired frequency range, this will influence its ability of determining sound source position.Because undercapacity is to surpass hearer's hearing threshold value, not only auditory spatial cues is not heard, and follows the reduction of the perceived frequency resolution of hearing impairment can cause this prompting loss definition and effectiveness thereof usually yet.
International Patent Application WO 03/009639 discloses a kind of directed acoustic receivers, and as microphone array or human external ear, it has along with the direction of spatial sound source with respect to acoustic receivers changes and the acoustic pulses response of variation.This international monopoly further discloses a kind of method that is used to write down and reappear hearer's three-dimensional auditory scene, its realization is by using the three-dimensional auditory scene of microphone array record, utilize information to revise the sound of microphone array record, this information comes from difference between the directed acoustic transfer function of the directed acoustic transfer function of microphone in the microphone array and hearer's external ear, and collect, the signal that arrangement and merging will be used for hearer left and right sides external ear is an output format, this form can be identified as these signals the sign of three-dimensional auditory scene, it can effectively perception geoacoustics reappear the sound that has appeared in hearer's ear, if the hearer is on the position of the microphone array in the original sound environment.Therefore this international patent application relates to and is used for the sound of reproduction space position at the hearer, just writes down the position of original sound at microphone array as the hearer.Yet this international application does not openly compensate the acoustic receivers of impaired hearing hearer's space hearing perceptual degradation.
International Patent Application WO 2005/015952 discloses a kind of by the improve one's hearing hearing devices of the sound that impaired hearer hears of the sound in the monitoring hearer environment of living in, it handles the frequency distribution of the radio-frequency component of sound in high frequency band (for example greater than 4kHz), thereby make hearing impaired hearer can hear spectrum signature, therefore sound visualization and the spatialization that helps the hearer to hear corresponding to auditory spatial cues.This hearing aids comprises the processor of spectrum signature being transferred to low-frequency band from high frequency band.It is to characterize by the frequency of carrying out fast Fourier transform (FFT) and modification signal that this processor shifts the high frequency spectrum feature, perhaps by the signal that receives in time domain being carried out repeated sampling and displacement and/or compression high frequency spectrum feature to low-frequency band.Yet, hearing devices according to this international patent application uses the complicated algorithm processing signals, it has introduced the territory conversion that the processing time will rectificate and the physical space of Seize ACK message process chip in large quantities, and this signal processing chip that is used for hearing devices faced great restriction aspect space availability.
International Application No. WO 99/14986 discloses a kind of system that the high frequency band auditory cues is transferred to lower band by the direct proportion compressing audio signal.It is by keeping the spectral shape of audio signal that this system realizes this goal, simultaneously by frequency compression at its frequency spectrum of frequency domain convergent-divergent, and shift its frequency spectrum at frequency domain by frequency shift.Therefore this system comprises the fast Fourier transform (FFT) unit that is used for audio signal is transformed from the time domain to frequency domain, frequency signal is carried out the processor of convergent-divergent and forwarding function, and the most at last convergent-divergent and shift after the frequency signal conversion go back to the invert fast fourier transformation unit of time domain.Yet as above described in conjunction with International Patent Application WO 2005/015952, the system of International Patent Application WO 99/14986 has also used similar complicated algorithm processing signals, and it obviously needs processing time and space.
In addition, U.S. Patent application US 2006/0018497 discloses a kind of hearing aids that is used for user's ears on the head that is worn over.The interconnective mode of this hearing aids is that the voice signal of accurately coupling can import left and right sides ear into.Reach the phase place that moves another acoustic signal with respect to an acoustic signal by presenting acoustic signal to left ear and auris dextra, the user obtains the sensation of sound generating acoustic signal source of ad-hoc location in the space.Utilization is to the setting or the system mode of aware notification user's hearing aids of the sound that is derived from different spatial.
At last, write by Podlaszewski etc., the article " Lokalisationsversuche f ü rvirtuelle Realit t mit einer 6-Mikrofonanordnung " that the 278-279 page or leaf is published in hamburger-Ha Erbao Akustik-DAGA2001 discloses the method that a kind of use 6 microphone units are set up the virtual acoustic space.This method comprises the HRTF that measures the individual, and revises the filter parameter of each microphone of microphone unit, is complementary with individual's HRTF in fact up to the transfer function of microphone unit.Thereby this article discloses the method that a kind of virtual spatial sound that may improve the individual is experienced.
Neither one provides a kind of simple, cheap scheme in the prior art file, is used to introduce the auditory spatial cues in the low-frequency range.Disclosed prior art systems has been introduced further calculating that requires the extensible processor ability and the location that defines microphone, and this has limited its application.
Summary of the invention
A target of the present invention provides the modified model hearing aids that produces new auditory spatial cues.
The further target of the present invention provides the hearing aids of the self-auditory perspective of improving the user.
Distinct advantages of the present invention is new auditory spatial cues to be provided in the hearing aids that is provided require the considerably less processing time, therefore requires considerably less physical space on signal processing chip.
By following detailed description, above-mentioned target of the present invention and advantage, and numerous other targets, advantage and feature will become apparent, according to a first aspect of the invention, it is realized by the hearing aid device system that produces auditory spatial cues, it comprises: first microphone unit, and its sound that is suitable for receiving in first microphone is converted to first signal of telecommunication on first output, and the sound that will receive in second microphone is converted to second signal of telecommunication on second output; Be connected to first delay cell of described first output, it is suitable for postponing described first signal of telecommunication; Be connected to first computing unit of described first delay cell and described second output, it is suitable for first signal of telecommunication after the described delay and described second signal of telecommunication are sued for peace, and produces first and signal; Be connected to the processor unit of described first computing unit, it is suitable for handling described first and signal and produce processed signal; And be suitable for described processed signal is converted to the loud speaker of handling sound, wherein said first and second microphones are first preset distance at interval, described first delay cell provides first predetermined delay, thus described first and signal in produce first auditory spatial cues represent first Spatial Dimension.
Term " auditory spatial cues " is interpreted as the valley in the signal frequency response that offers the user, frequently sunken or peak value in this article.
Term " Spatial Dimension " is interpreted as the part of spherical orientation in this article, for example, can be represented by r, θ and φ spherical coordinates system.Therefore Spatial Dimension can comprise the semi-circular portions of polar angle φ, and pole axis is interpreted as passing the axle of first and second microphones thus.
Term " first " all is interpreted as in a plurality of elements the means distinguishing and distinguish in this article, and promptly first, second and three element are not interpreted as the continuous a series of elements that begin with first element.
In addition, term " loud speaker " is interpreted as receiver or mini-loud hailer in this article.
By utilizing a cover microphone, each microphone predetermined distance of being separated by wherein, it is different when the sound that is derived from the sound source in the locus is changed on each microphone, because the distance from each microphone to sound source is different, the acoustic phase that causes arriving first microphone shifts to an earlier date for sound time delay that arrives second microphone or time.Therefore first and second signals of telecommunication and have superiority with signal spectrum in produce first auditory spatial cues.By moving the sound source in first Spatial Dimension, first auditory spatial cues is shifted in frequency domain, thereby makes the user experience sound position sense in first Spatial Dimension.
Further, by reasonably selecting distance and the time delay between the microphone, in the optimal frequency scope that is placed on the hearing aid device system user that the frequency of first auditory spatial cues can have superiority.Therefore, according to a first aspect of the invention, hearing aid device system is provided for the new auditory cues of first Spatial Dimension, and it can be used the sound position sense with the raising user by the user of hearing aid device system, thereby makes the user select, concentrate or analyze the specific sound of hearing in space environment.
According to a first aspect of the invention, microphone unit may further include the 3rd microphone that is used for sound is converted to the 3rd signal of telecommunication on the 3rd output, and wherein the 3rd microphone is with respect to axle perpendicular separation second preset distance between first and second microphones.By introducing the 3rd microphone, can obtain second Spatial Dimension.
According to a first aspect of the invention, hearing aid device system may further include: be connected to the filter cell of the 3rd output, it is applicable to the 3rd signal of telecommunication is carried out filtering, thereby produces filtered the 3rd signal of telecommunication.Filter cell is eliminated unnecessary auditory spatial cues, thereby is provided for the single auditory spatial cues of second Spatial Dimension to the user.Therefore, according to a first aspect of the invention, hearing aid device system is according to sound generating first auditory spatial cues that receives on first and second microphones, and with respect to from first and second microphones with signal according to sound generating second auditory spatial cues that on the 3rd microphone, receives.
According to a first aspect of the invention, hearing aid device system may further include: be connected to second delay cell of first computing unit, it is applicable to delay first and signal.Alternatively, hearing aid device system can comprise second delay cell that is connected to filter cell, and it is applicable to the 3rd signal of telecommunication after the delay filtering.Alternatively, hearing aid device system can comprise: be connected to second delay cell of the 3rd microphone, it is applicable to delay control three signals of telecommunication.Further alternatively, hearing aid device system can comprise a plurality of second delay cells that are connected to the 3rd microphone, filter cell and/or first computing unit, and it is applicable to delay control three signals of telecommunication, filtered the 3rd signal of telecommunication and/or first and signal.By to first and signal introduce second and postpone and introduce second preset distance, the location of second auditory spatial cues can be placed in the optimal frequency scope of hearing aid user.
According to a first aspect of the invention, hearing aid device system may further include: be connected to second computing unit of second delay cell and filter cell, it is applicable to sues for peace to filtered first and the signal that is delayed and filtered the 3rd signal of telecommunication.Therefore, first and second auditory cueses in the signal that offers the hearing aid device system user, have been introduced.
According to a first aspect of the invention, first computing unit can further be applicable to first signal of telecommunication and second signal of telecommunication weighting after postponing.Similarly, second computing unit can further be applicable to delayed filtered first and signal and filtered the 3rd signal of telecommunication weighting.This has guaranteed more general solution with having superiority, because signal can multiply each other with weight coefficient before summation.In practice, add the depth/height that powers and functions are adjusted frequency spectrum valley/peak value.
According to a first aspect of the invention, hearing aid device system may further include the transceiver unit that is connected to first microphone unit, it is applicable to that first, second and/or the 3rd signal of telecommunication with first hearing aids send to the transceiver of second hearing aids, second hearing aids can comprise second microphone unit of the first microphone unit space the 3rd preset distance, and the 3rd preset distance is perpendicular to the axle between first and second microphones.Transceiver unit can further be applicable to the signal of telecommunication of reception from described second microphone unit.By the communication between first and second hearing aidss that utilize hearing aid device system, realized being used for the auditory cues of the 3rd Spatial Dimension, therefore the sound position sense of further improvement is provided for the user.
According to a first aspect of the invention, transceiver unit may further include the 3rd delay cell, and it is applicable to is scheduled to time-delay with first, second and/or the 3rd signal of telecommunication delay control three.The 3rd predetermined delay unit and the 3rd predetermined space can be used for the 3rd auditory spatial cues is positioned at user's optimal frequency scope with having superiority.
According to a first aspect of the invention, hearing aid device system may further include be applicable on other positions that are carried at user's body and with the calculation element of the transceiver communications of first and second hearing aidss, it is applicable to that the dimensional orientation that produces with the sound that receives is relevant on first and second microphone units first, second and/or the 3rd auditory spatial cues.Calculation element can comprise the 3rd microphone unit, and it is applicable to provides the further signal of telecommunication that produces further auditory spatial cues.
Therefore according to a first aspect of the invention, hearing aid device system does not need to be exposed to the microphone under the natural reflective-mode of auricle with having superiority, without any need for the algorithm process of processing digitized signal, and does not produce the nonlinear distortion of true acoustic signal.
According to a first aspect of the invention, hearing aid device system may further include: be connected to first bank of filters of first microphone, it is applicable to from first signal of telecommunication and produces the first serial frequency channel signal; Be connected to second bank of filters of second microphone, it is applicable to from second signal of telecommunication and produces second series frequency channel signal, wherein first delay cell is applicable to each signal in the individual delays described first serial frequency channel signal, and first computing unit is applicable to independently sues for peace to first serial frequency channel signal after the described delay and each of described second series frequency channel signal.Bank of filters makes each microphone signal can be filtered into a plurality of frequency channels, and reconsolidate by processing unit offer the user before, each passage can be handled by himself the other filter of a cover, calculating and delay cell.Therefore, various auditory spatial cues can optimally be placed in various frequency range.
According to a first aspect of the invention, hearing aid device system may further include A/D, D/A converting unit, and it is applicable to microphone signal is transformed into numeric field from analog domain, and the signal after will handling is transformed into analog domain from numeric field.This has obviously improved the ability of signal being carried out detailed calculated.
By following detailed description, above-mentioned target, advantage and feature, and numerous other targets, advantage and feature will become apparent, according to a second aspect of the invention, it is realized by the method that produces auditory spatial cues, it comprises: first signal of telecommunication that produces the sound that is defined in the primary importance reception, generation is defined in second signal of telecommunication of the described sound of second place reception, described first signal of telecommunication is postponed the first predetermined time-delay, thereby produce first signal of telecommunication that postpones, first signal of telecommunication and described second signal of telecommunication to described delay are sued for peace, thereby produce first and signal with first auditory cues, first Spatial Dimension is represented in this prompting, handles described first and signal, and is the sound of having handled with the described conversion of signals of having handled.
According to a second aspect of the invention, this method can comprise any feature according to the hearing aid device system of first aspect present invention.
According to a second aspect of the invention, this method has unique advantage, because it makes the adjusting of hearing aid device system user's auditory cues is realized by the simulated sound that is derived from the diverse location in the three dimensions, in fact need be in described space around mobile loud speaker.This simulation can realize by the phase place that moves first signal of telecommunication with respect to second signal of telecommunication.
Description of drawings
With reference to the accompanying drawings, by to the illustrative of the preferred embodiment of the present invention but the detailed description of indefiniteness, will be better understood and address other target, feature and advantage on of the present invention, wherein:
Fig. 1 is the hearing aid device system according to first embodiment of the invention;
Fig. 2 is the sound spectrum curve chart that the variation with angle θ changes;
Fig. 3 is the hearing aid device system according to second embodiment of the invention; And
Fig. 4 is the hearing aid device system according to third embodiment of the invention.
Embodiment
In the description of following each embodiment, with reference to accompanying drawing, it has represented how to implement the present invention in illustrative mode.Be to be understood that the embodiment that yet can use other, and the modification of the 26S Proteasome Structure and Function of making does not depart from the scope of the present invention.
Fig. 1 is the hearing aid device system according to first embodiment of the invention, and its integral body is with Reference numeral 100 expressions.Hearing aid device system 100 comprises first and second microphones 102 and 104, is respectively applied for sound is converted to first and second signals of telecommunication.First and second microphones 102 and 104 spacing distance d between the diaphragm center of first and second microphones 102 and 104
1
First signal of telecommunication was delayed time by delay cell 106 before sending to first computing unit 108, and first signal of telecommunication after 108 pairs of delays of first computing unit and second signal of telecommunication are weighted and sue for peace.If the motion of sound source be with the frequency spectrum of signal in displacement up and down, by distance d
1Determine first and second microphones, 102,104 positions, and by adjusting the time delay of first signal of telecommunication, the output of first computing unit 108 provides first auditory spatial cues with respect to another.If first and second microphones 102 and 104 mutual perpendicular positionings, and vertical with respect to upright user, and on behalf of the elevation angle of sound source, the frequency change of auditory spatial cues change.
Send signal processing unit 110 with signal to from first computing unit 108, any signal processing is carried out in its requirement according to the impaired hearing user.That is to say that processor is carried out desired universal signal shaping, compression and amplification, thereby obtain to send to user's the signal heard by loud speaker 112.
During regulating hearing aid device system 100, remove the coupling between first and second microphones 102 and 104, thereby and produce first and second signals of telecommunication simulations acoustic enviroment by signal generator and have superiority for the user.Therefore, realized the effect that sound source position changes at conditioning period, and needn't around mobile sound source loudspeaker.Can realize by the phase place that moves first signal of telecommunication with respect to second signal of telecommunication by the simulated sound that signal generator is set up.
Fig. 2 is when first and second microphones 102 and 104 mutual perpendicular positionings and when vertical with respect to upright user, in first and second elevation angle theta
1And θ
2Down as the function of frequency with the signature tune line chart.Auditory spatial cues (falling into frequently) changes with the variation at the elevation angle, therefore helped the impaired hearing user, otherwise it has only limited audio direction sense, because the normal auditory cues that is produced by HRTF is in the frequency range of hearing user damage.
Fig. 3 is the hearing aid device system according to second embodiment of the invention, and its integral body is with Reference numeral 200 expressions.Hearing aid device system 200 comprises some elements in the hearing aid device system 100, and these elements use identical Reference numeral to quote.
Hearing aid device system 200 comprises that axle perpendicular separation with respect to first and second microphones 102 and 104 is apart from d
2The 3rd microphone 114.The 3rd microphone 114 is converted to the 3rd signal of telecommunication with sound, this signal sends to has for example filter 116 of the low-pass cut-off frequencies between 2kHz and 4kHz, thereby avoid occurring, to guarantee not disturb first elevation angle auditory cues that provides by microphone 102 and 104 greater than the auditory cues of cut-off frequency.
In specific embodiments, first and second microphones 102 and 104 can be placed on the hard of hearing formula element of hearing aids, and the 3rd microphone 114 can be placed on duct receiver, ear mold or the earplug element of hearing aids, and it has towards outer eardrum.
Filtered the 3rd signal of telecommunication sends second computing unit, 120, the second computing units to and is connected to filter cell 116 and postpones first and second delay cell 118 of signal, and to filtered the 3rd signal of telecommunication and first and signal be weighted and sue for peace.Second computing unit 120 produce second and signals, second and signal in for example comprise based on filtered the 3rd signal of telecommunication and first and the elevation angle auditory cues and the front/rear auditory cues of signal.Subsequently, second and signal send to processing unit 110 and loud speaker 112.
Fig. 4 is the hearing aid device system according to third embodiment of the invention, and its integral body is with Reference numeral 300 expressions.Be to be understood that hearing aid device system 300 can be in conjunction with the feature of hearing aid device system 100 and 200.
Hearing aid device system 300 comprises first and second hearing aidss 302 and 304.First hearing aids 302 comprises the element of hearing aid device system 100 and 200, promptly comprises from first microphone unit 306 of sound generating first, second and/or the 3rd signal of telecommunication.These signals send to first and signal in produce the first auditory cues generator 308 of elevation angle auditory cues and/or front/rear auditory cues, before sending processed signal to loud speaker 312, send first processing unit 310 of the required processing operation of common execution to according to sound and user's hearing impairment first and signal.
First hearing aids further comprises first transceiver unit 322 that is used to transmit and receive first, second and/or the 3rd signal of telecommunication that come from first and second microphone units 306 and 314.First transceiver unit 322 comprises and is used for the time delay unit of before summation first, second and/or the 3rd signal of telecommunication being delayed time, between the time of delay of first, second and/or the 3rd signal of telecommunication and microphone unit 306 and 314 apart from d
3The common position of determining the rotation auditory cues except that elevation angle auditory cues and front/rear auditory cues.
Second hearing aids further comprises second transceiver unit 324 that is used to transmit and receive first, second and/or the 3rd signal of telecommunication that come from first and second microphone units 306 and 314 similarly.Second transceiver unit 324 also comprises and is used for the time delay unit of before summation first, second and/or the 3rd signal of telecommunication being delayed time, between the time of delay of first, second and/or the 3rd signal of telecommunication and microphone unit 306 and 314 apart from d
3The common position of determining the rotation auditory cues except that elevation angle auditory cues and front/rear auditory cues.
First and second transceiver units 322 and 324 can communicate by wired connection or wireless transmission.
In addition, a third embodiment in accordance with the invention, hearing aid device system 300 can comprise the body worn calculation device 326 of communicating by letter with 324 with first and second transceiver units 322.
Body worn calculation device 326 can be carried at other positions of health, and comprises time delay unit, and it is used for suitably postponing coming from first, second and/or the 3rd signal of telecommunication of first and second microphone units 306 and 314, and uses predetermined distance d
1, d
2And d
3Coding.Body worn calculation device 326 can be implemented required delay and summation function, and returns suitable auditory cues to first and second transceivers 322 and 324.Further, body worn calculation device 326 can comprise the 3rd microphone unit of the auditory cues that is used for further indicating all Spatial Dimensions.
As above described with reference to figure 1, realize regulating hearing aid device system 300 at the user can be by decoupling zero first and second microphone units 306 and 314 with having superiority, and utilize signal generator to produce first, second and the 3rd signal of telecommunication, thus the simulated sound environment.First and second transceiver units 322 and 324 can receive first, second and the 3rd signal of telecommunication of the concrete sound of simulation, and this sound directly sends each of hearing aids 302 and 304 to from signal generator.
Claims (18)
1, is used to produce the hearing aid device system of auditory spatial cues, comprise: first microphone unit, it is applicable to that the sound that will receive is converted to first signal of telecommunication on first output in first microphone, and the sound that will receive in second microphone is converted to second signal of telecommunication on second output; Be connected to first delay cell of described first output, it is applicable to and postpones described first signal of telecommunication; Be connected to first computing unit of described first delay cell and described second output, it is applicable to sues for peace to first signal of telecommunication after the described delay and described second signal of telecommunication, and produces first and signal; Be connected to the processor unit of described first computing unit, it is applicable to processing described first and signal and produces processed signal; And be applicable to described processed signal is converted to the loud speaker of handling sound, wherein said first and second microphones are first preset distance at interval, described first delay cell provides first predetermined delay, thus described first and signal in produce first auditory spatial cues represent first Spatial Dimension.
2, hearing aid device system according to claim 1, wherein microphone unit further comprises the 3rd microphone that is used for sound is converted to the 3rd signal of telecommunication on the 3rd output, and wherein the 3rd microphone is with respect to axle perpendicular separation second preset distance between first and second microphones.
3, according to claim 1 or 2 arbitrary described hearing aid device systems, further comprise the filter cell that is connected to the 3rd output, it is applicable to the 3rd signal of telecommunication is carried out filtering, thereby produces filtered the 3rd signal of telecommunication.
4, according to the arbitrary described hearing aid device system of claim 1 to 3, further comprise second delay cell that is connected to first computing unit, it is applicable to delay first and signal.
5, according to the arbitrary described hearing aid device system of claim 1 to 3, further comprise second delay cell that is connected to filter cell, it is applicable to the 3rd signal of telecommunication after the delay filtering.
6, according to the arbitrary described hearing aid device system of claim 1 to 3, further comprise second delay cell that is connected to the 3rd microphone, it is applicable to delay control three signals of telecommunication.
7, according to the arbitrary described hearing aid device system of claim 1 to 3, further comprise a plurality of second delay cells that are connected to the 3rd microphone, filter cell and/or first computing unit, it is applicable to delay control three signals of telecommunication, filtered the 3rd signal of telecommunication and/or first and signal.
8, according to the arbitrary described hearing aid device system of claim 4 to 7, further comprise second computing unit that is connected to second delay cell and filter cell, it is applicable to sues for peace to first and signal after filtered the 3rd signal of telecommunication and the time delay.
9, according to the arbitrary described hearing aid device system of claim 1 to 8, wherein first computing unit further is applicable to first signal of telecommunication and second signal of telecommunication after postponing is weighted.
10, according to Claim 8 to 9 arbitrary described hearing aid device systems, wherein second computing unit further is applicable to delayed filtered first and signal and filtered the 3rd signal of telecommunication is weighted.
11, according to the arbitrary described hearing aid device system of claim 1 to 10, further comprise the transceiver unit that is connected to first microphone unit, it is applicable to that first, second and/or the 3rd signal of telecommunication with first hearing aids send to the transceiver unit of second hearing aids, second hearing aids comprises second microphone unit with first microphone unit interval the 3rd preset distance, and this distance is perpendicular to the axle between first and second microphones.
12, hearing aid device system according to claim 11, wherein transceiver unit further is applicable to and receives the signal of telecommunication that comes from described second microphone unit.
13, according to the arbitrary described hearing aid device system of claim 11 to 12, wherein transceiver unit comprises the 3rd time delay unit with first, second and/or the 3rd signal of telecommunication delay control three scheduled delays.
14, according to the arbitrary described hearing aid device system of claim 1 to 13, further comprise the body worn calculation device with the transceiver communications of first and second hearing aidss, it is applicable to and produces first, second related with the dimensional orientation of the sound that receives at first and second microphone units and/or the 3rd auditory spatial cues.
15, hearing aid device system according to claim 14, wherein body worn calculation device comprises and is applicable to the 3rd microphone unit that the further signal of telecommunication is provided, further the signal of telecommunication is used to produce further auditory spatial cues.
16, according to the arbitrary described hearing aid device system of claim 1 to 15, further comprise: be connected to first bank of filters of first microphone, it is applicable to from first signal of telecommunication and produces the first serial frequency channel signal; And be connected to second bank of filters of second microphone, it is applicable to from second signal of telecommunication and produces second series frequency channel signal, wherein first delay cell is applicable to each signal in the individual delays described first serial frequency channel signal, and first computing unit is applicable to independently sues for peace to first serial frequency channel signal after the described delay and each of described second series frequency channel signal.
17, according to the arbitrary described hearing aid device system of claim 1 to 16, further comprise A/D, D/A converting unit, it is applicable to microphone signal is transformed into numeric field from analog domain, and the signal after will handling is transformed into analog domain from numeric field.
18, be used to produce the method for auditory cues, comprise: first signal of telecommunication that produces the sound that is defined in the primary importance reception, generation is defined in second signal of telecommunication of the described sound of second place reception, described first signal of telecommunication is postponed the first predetermined time-delay, thereby produce first signal of telecommunication after postponing, first signal of telecommunication and described second signal of telecommunication to described delay are sued for peace, thereby produce first and signal with first auditory cues, first Spatial Dimension is represented in this prompting, handle described first and signal, and be the sound of having handled the described conversion of signals of having handled.
Applications Claiming Priority (2)
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| EP06111808.9 | 2006-03-28 | ||
| EP06111808.9A EP1841281B1 (en) | 2006-03-28 | 2006-03-28 | System and method for generating auditory spatial cues |
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| CN101064972A true CN101064972A (en) | 2007-10-31 |
| CN101064972B CN101064972B (en) | 2012-12-12 |
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| CN 200710086965 Expired - Fee Related CN101064972B (en) | 2006-03-28 | 2007-03-27 | System and method for generating auditory spatial cues |
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| EP (1) | EP1841281B1 (en) |
| CN (1) | CN101064972B (en) |
| AU (1) | AU2007201362B2 (en) |
| DK (1) | DK1841281T3 (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104581477A (en) * | 2013-10-25 | 2015-04-29 | 哈曼国际工业有限公司 | Electronic hearing protector with quadrant sound localization |
| CN105052174A (en) * | 2013-02-12 | 2015-11-11 | 优声平衡股份公司 | Apparatus and method for remedying auditory delay |
| CN105392096A (en) * | 2014-09-02 | 2016-03-09 | 奥迪康有限公司 | binaural hearing system and method |
| CN109806498A (en) * | 2019-02-14 | 2019-05-28 | 深圳信息职业技术学院 | A kind of method and device of electronic cochlear signal processing |
| CN110620982A (en) * | 2018-06-20 | 2019-12-27 | 西万拓私人有限公司 | Method for audio playback in a hearing aid |
| CN113347544A (en) * | 2021-06-03 | 2021-09-03 | 中国科学院声学研究所 | Signal processing method and device of hearing aid and hearing aid |
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| US8285383B2 (en) | 2005-07-08 | 2012-10-09 | Cochlear Limited | Directional sound processing in a cochlear implant |
| DE102008046966B3 (en) * | 2008-09-12 | 2010-05-06 | Siemens Medical Instruments Pte. Ltd. | Hearing aid and operation of a hearing aid with frequency transposition |
| WO2017063688A1 (en) | 2015-10-14 | 2017-04-20 | Huawei Technologies Co., Ltd. | Method and device for generating an elevated sound impression |
| DK3160157T3 (en) * | 2015-10-21 | 2018-12-17 | Sonion Nederland Bv | Vibration-compensated vibroacoustic device |
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| US6577739B1 (en) | 1997-09-19 | 2003-06-10 | University Of Iowa Research Foundation | Apparatus and methods for proportional audio compression and frequency shifting |
| US7324649B1 (en) * | 1999-06-02 | 2008-01-29 | Siemens Audiologische Technik Gmbh | Hearing aid device, comprising a directional microphone system and a method for operating a hearing aid device |
| GB2370176A (en) * | 2000-08-10 | 2002-06-19 | James Gregory Stanier | A simple microphone unit for the vertical localisation and enhancement of live sounds |
| DE10048354A1 (en) * | 2000-09-29 | 2002-05-08 | Siemens Audiologische Technik | Method for operating a hearing aid system and hearing aid system |
| AUPR647501A0 (en) | 2001-07-19 | 2001-08-09 | Vast Audio Pty Ltd | Recording a three dimensional auditory scene and reproducing it for the individual listener |
| JP4939935B2 (en) * | 2003-06-24 | 2012-05-30 | ジーエヌ リザウンド エー／エス | Binaural hearing aid system with matched acoustic processing |
| DE10331956C5 (en) * | 2003-07-16 | 2010-11-18 | Siemens Audiologische Technik Gmbh | Hearing aid and method for operating a hearing aid with a microphone system, in which different Richtcharaktistiken are adjustable |
| DE10334396B3 (en) * | 2003-07-28 | 2004-10-21 | Siemens Audiologische Technik Gmbh | Electrical hearing aid has individual microphones combined to provide 2 microphone units in turn combined to provide further microphone unit with same order directional characteristic |
| AU2003904207A0 (en) | 2003-08-11 | 2003-08-21 | Vast Audio Pty Ltd | Enhancement of sound externalization and separation for hearing-impaired listeners: a spatial hearing-aid |
| DE102004035046A1 (en) | 2004-07-20 | 2005-07-21 | Siemens Audiologische Technik Gmbh | Hearing aid or communication system with virtual signal sources providing the user with signals from the space around him |
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2006
- 2006-03-28 EP EP06111808.9A patent/EP1841281B1/en not_active Not-in-force
- 2006-03-28 DK DK06111808.9T patent/DK1841281T3/en active
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2007
- 2007-03-27 CN CN 200710086965 patent/CN101064972B/en not_active Expired - Fee Related
- 2007-03-28 AU AU2007201362A patent/AU2007201362B2/en not_active Ceased
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105052174A (en) * | 2013-02-12 | 2015-11-11 | 优声平衡股份公司 | Apparatus and method for remedying auditory delay |
| CN104581477A (en) * | 2013-10-25 | 2015-04-29 | 哈曼国际工业有限公司 | Electronic hearing protector with quadrant sound localization |
| CN104581477B (en) * | 2013-10-25 | 2019-06-25 | 哈曼国际工业有限公司 | Electronics hearing protectors with the positioning of quadrant sound |
| CN105392096A (en) * | 2014-09-02 | 2016-03-09 | 奥迪康有限公司 | binaural hearing system and method |
| CN105392096B (en) * | 2014-09-02 | 2020-03-31 | 奥迪康有限公司 | Binaural hearing system and method |
| CN110620982A (en) * | 2018-06-20 | 2019-12-27 | 西万拓私人有限公司 | Method for audio playback in a hearing aid |
| CN109806498A (en) * | 2019-02-14 | 2019-05-28 | 深圳信息职业技术学院 | A kind of method and device of electronic cochlear signal processing |
| CN109806498B (en) * | 2019-02-14 | 2022-11-04 | 深圳信息职业技术学院 | Method and device for processing electronic cochlear signal |
| CN113347544A (en) * | 2021-06-03 | 2021-09-03 | 中国科学院声学研究所 | Signal processing method and device of hearing aid and hearing aid |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1841281A1 (en) | 2007-10-03 |
| AU2007201362A1 (en) | 2007-10-18 |
| EP1841281B1 (en) | 2015-07-29 |
| AU2007201362B2 (en) | 2010-12-16 |
| DK1841281T3 (en) | 2015-10-26 |
| CN101064972B (en) | 2012-12-12 |
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