CN104023302A - Programmable digital hearing aid system and method thereof - Google Patents
Programmable digital hearing aid system and method thereof Download PDFInfo
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- CN104023302A CN104023302A CN201410210281.3A CN201410210281A CN104023302A CN 104023302 A CN104023302 A CN 104023302A CN 201410210281 A CN201410210281 A CN 201410210281A CN 104023302 A CN104023302 A CN 104023302A
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Abstract
The invention discloses a programmable digital hearing aid system. The programmable digital hearing aid system comprises a portable device and a signal processing device, wherein the portable device comprises a sound reception module, an audio output module and a first communication unit, the signal processing device comprises a micro processor and a second communication unit, the first communication unit and the second communication unit realize bidirectional communication, the portable device transmits a sound signal received by the sound reception module to the signal processing device, the signal processing device employs the micro processor to process the sound signal, the processed signal is transmitted back to the portable device, and the audio output module of the portable device plays the processed sound signal. The invention further provides a method applied to the programmable digital hearing aid system, different sound processing programs can be set according to different users, interaction information such as image interface and voice information can be further provided for a user, signal processing parameters can be set according to the interaction information, and real-time digital processing on the signal can be realized.
Description
Technical field
The invention belongs to digital hearing aid field, relate to particularly programmable digital hearing assistance system and method thereof.
Background technology
Along with the aggravation of aging, increasing of elderly population, occurs in the middle of the elderly that the number of dysacousis also rises year by year.Dysacousis is having a strong impact on the elderly's quality of life.It is the way of effectively alleviating hearing problem that the elderly of dysacousis selects to wear hearing aids.Hearing aids is divided into programmable hearing aid and non-programmable hearing aids.Between each user, hearing loss has very big-difference.Non-programmable hearing aids is the demand that cannot meet everyone user's personalization.And programmable hearing aid can be by the hearing problem for different users, by audio frequency handling procedure is set targetedly, sound that user cannot be caught amplifies or is transformed into the frequency that user can catch, thereby the processing requirements of personalized solution different users to sound, meets different users's user demand.Therefore programmable hearing aid is best suited for the elderly's use of dysacousis.And its core component of programmable hearing aid is exactly the microprocessor that carries out signal processing, the voice signal of hearing aids need to be processed by this chip block.The microprocessor that existing programmable hearing aid is used is for hearing aids, to design, embed specially the special chip of hearing aids inside.Restriction due to the volume and weight of hearing aids own, cannot carry larger battery, caused the power consumption of this chip must control to very low, therefore the technical difficulty that designs this chip is very large, cause this chip price high, significantly improve the price of programmable hearing aid, made general the elderly be difficult to bear.
Yet along with popularizing of consumer digital product, the electronic equipments such as smart mobile phone, panel computer, notebook computer have obtained using widely.Cause the performance of smart mobile phone, panel computer and the use therein processor of notebook computer to be in recent years also greatly improved.This just brings a significant contradiction: the programmable hearing aid that the user of dysacousis wears at any time on the one hand needs the special chip of specialized designs low-power consumption; On the other hand, take the high-performance processor that smart mobile phone processor is representative has come among consumer's daily life widely.If can effectively utilize these high performance universal microprocessors that has extensively entered into consumer's daily life, replace the special chip of the high low-power consumption of now widely used price, complete the processing to voice signal.Be expected to so significantly reduce the price of programmable digital hearing aids, be expected to allow more user can use programmable digital hearing aids, improve their quality of the life.
Summary of the invention
The object of the present invention is to provide programmable digital hearing assistance system and method thereof.
According to an aspect of the present invention, provide a kind of programmable digital hearing assistance system, comprise mancarried device, described mancarried device comprises sound receiver module, audio frequency output module and the first communication unit; And signal processing apparatus, described signal processing apparatus comprises microprocessor and second communication unit, wherein, described the first communication unit and the unit two-way communication of described second communication, and the voice signal that described mancarried device receives described sound receiver module is sent to described signal processing apparatus, described signal processing apparatus adopts described microprocessor to process voice signal, and the signal after processing is sent back to described mancarried device, the voice signal after the audio frequency output module playback process of described mancarried device.
Preferably, described microprocessor is be selected from general purpose microprocessor and universal embedded microprocessor a kind of.
Preferably, described universal embedded microprocessor comprises the microprocessor using in vehicle-mounted or mobile phone, panel computer, PC, server, router.
Preferably, described sound receiver module comprises sound receiving element and analog to digital converter, and described sound receiving element is used for receiving voice signal, and described analog to digital converter is for converting described voice signal to digital signal.
Preferably, described sound receiving element comprises: the microphone that the carrier of microphone, described signal processing apparatus carries and audio signal sample equipment.
Preferably, the described voice signal that described sound receiving element receives comprises: the audio signal of the sound wave transmitting in space and computer, TV, mobile phone, landline telephone, broadcast receiver, walkman output.
Preferably, described microprocessor can be processed the voice signal of multiple signals path input simultaneously.
Preferably, described signal processing apparatus also comprises hearing aids module and human-computer interaction module, described human-computer interaction module comprises screen and keyboard and the interactive voice unit of handset touch panel, computer and panel computer, and described hearing aids module is set signal processing parameter by human-computer interaction interface module.
Preferably, described microprocessor is according to the signal processing parameter of setting, to signal real-time carry out noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, stereo process.
Preferably, described audio frequency output module comprises audio output unit and digital to analog converter, and described digital to analog converter is used for digital signal and converts audio signal to, and described audio output unit is used for exporting described audio signal.
Preferably, described system comprises described at least one sound receiver module and audio frequency output module described at least one, each from described sound receiver module of described signal processing module is obtained voice signal, voice signal is carried out to digital processing, then by the transmission of sound signals after processing, give a corresponding audio frequency output module.
Preferably, between described sound receiver module and signal processing module and between described signal processing module and audio frequency output module, pass through a kind of communication in holding wire, bluetooth, wireless network, near-field communication, cellular mobile network.
According to a further aspect in the invention, a kind of method for the programmable digital hearing assistance system described in above-mentioned any one claim is provided, and described method comprises: the voice signal that mancarried device receives the sound receiver module of described mancarried device is sent to described signal processing apparatus; Adopt microprocessor to process voice signal, and the signal after processing is sent back to described mancarried device; Voice signal after the audio frequency output module playback process of described mancarried device.
Preferably, the voice signal that the sound receiver module of described mancarried device receives is sent to signal processing apparatus and comprises: the sound receiving element of the sound receiver module of described mancarried device receives voice signal, and by described transmission of sound signals to analog to digital converter, the analog to digital converter of described sound receiver module converts described voice signal to digital signal, and the first communication unit of described mancarried device is given described signal processing apparatus by described digital data transmission.
Preferably, adopt microprocessor to process voice signal, and the signal after processing is sent back to described mancarried device comprise: the second communication unit in described signal processing apparatus receives described digital signal, and described digital data transmission is given to the microprocessor of described signal processing apparatus, described microprocessor carries out digital processing to described digital signal, and the described digital data transmission after digital processing is given the audio frequency output module of described mancarried device in the second communication unit of described signal processing apparatus.
Preferably, described microprocessor carries out digital processing to described digital signal and comprises: the hearing aids module of signal processing apparatus is set signal processing parameter by the human-computer interaction module of signal processing apparatus, described microprocessor is according to the signal processing parameter of setting, to signal real-time carry out noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, stereo process.
Preferably, described microprocessor can be processed the voice signal of multiple signals path input simultaneously.
Preferably, voice signal after the audio frequency output module playback process of described mancarried device comprises: the first communication unit of described mancarried device receives the described digital signal after digital processing, and send to the digital to analog converter of the audio frequency output module of described mancarried device, described digital to analog converter converts the described digital signal after digital processing to audio signal, audio output unit by described audio signal transmission to described audio frequency output module, described audio output unit is exported described audio signal.
According to programmable digital hearing assistance system of the present invention, the voice signal that mancarried device receives described sound receiver module is sent to signal processing apparatus, signal processing apparatus adopts described microprocessor to process voice signal, and the signal after processing is sent back to mancarried device, voice signal after the audio frequency output module playback process of mancarried device, signal processing apparatus adopts digital technology processing audio signal, and the microprocessor of signal processing apparatus is general purpose microprocessor or universal embedded microprocessor, the carrier of signal processing apparatus can be the business-like mobile phone extensively buying, panel computer, the electronic equipment that PC etc. are common, and the said equipment is without specific customization, only need to support the Wireless Data Transmission modes such as bluetooth or Wi-Fi just can wear with user your wireless microphone and the stereo set such as earphone or other loud speakers function that has been used in conjunction with hearing aids with it, can also set according to different users different acoustic processing programs, for user provides graphic interface, the interactive information such as voice messaging, and according to interactive information setting signal processing parameter, to signal real-time carry out digital processing.
Accompanying drawing explanation
Fig. 1 illustrates the structural framing figure of programmable digital hearing assistance system according to an embodiment of the invention;
Fig. 2 illustrates a kind of portable execution mode of programmable digital hearing assistance system according to an embodiment of the invention;
Fig. 3 illustrates a kind of centralized execution mode of programmable digital hearing assistance system according to an embodiment of the invention;
Fig. 4 illustrates according to an embodiment of the invention the flow chart for the method for programmable digital hearing assistance system.
Embodiment
Following discloses provide many different execution modes or example for implementing the application's different characteristic.The specific embodiment of parts or layout is described below to simplify the present invention.Certainly, these are only that example is not intended to limit the present invention.
In addition, in specification and claims, term " first ", " second " etc. for distinguishing between analogous element, and may not describe time sequencing, spatial order, hierarchal order or any other mode order, be to be understood that, if these terms that use are interchangeable under suitable environment, and embodiments of the invention described herein can sequentially operate with other beyond describing herein or illustrating.
It should be noted that the term using in claims " does not comprise " should be construed as limited to below listed means, and it does not get rid of other elements or step.Thus, it should be interpreted as specifying as the existence of feature, numeral, step or parts as described in relating to, but does not get rid of existence or the interpolation of one or more other features, numeral, step or parts or its combination.Therefore, the scope of word " equipment that comprises device A and B " should not only limit to the device only consisting of assembly A and B.This means for the present invention, the associated component of equipment is A and B.
At this specification, in the whole text, quoting of " embodiment " or " embodiment " meaned to special characteristic, structure or the characteristic in conjunction with this embodiment, described comprise at least one embodiment of the present invention.Thus, in the phrase " in one embodiment " occurring everywhere of specification or " in an embodiment ", differing to establish a capital refers to same embodiment, but may be so.In addition, according to the present invention, openly it will be readily apparent to one skilled in the art that in one or more embodiments, special characteristic, structure or characteristic can combine in any suitable manner.
In the application, term " mancarried device " refers to the device that individual can carry at any time and comprise communication unit.
Similarly, be to be understood that, in the description of exemplary embodiment of the present invention, in making the present invention open smooth and contribute to understand the object of one or more aspects of each invention aspect, each feature of the present invention is grouped in single embodiment, accompanying drawing or sometimes together in the description of embodiment and accompanying drawing.Yet the disclosure method should not be interpreted as reflecting that invention required for protection need to be than the intention of more features of clearly recording in every claim.On the contrary, as the following claims reflect, invention aspect is, fewer than all features of single above disclosed embodiment.Thus, the claim after embodiment is attached in this embodiment clearly, and wherein every claim represents an independent embodiment of the present invention independently.
In addition, other features that do not have other embodiment to comprise although some embodiment that this time describe comprise some features included in other embodiment, the combination of the feature of different embodiment is intended within the scope of the invention, and forms the different embodiment that understand by those skilled in the art.For example, in the following claims, any one in desired embodiment can anyly be used in combination.
It should be noted in the discussion above that describe special characteristic of the present invention or aspect time the particular term used should not be considered to have implied that this term is to be this time redefined to be restricted to comprise the feature of the present invention that is associated with this term or any particular characteristics of aspect.
In the description providing at this, a plurality of details have been set forth.Yet should be appreciated that embodiments of the invention do not have to put into practice in the situation of these details.In other embodiments, in order not hinder understanding of this description, known method, structure and technology are not at length shown.
The present invention can present by various forms, below will describe some of them example.
Fig. 1 illustrates the structural framing figure of programmable digital hearing assistance system according to an embodiment of the invention, and described system comprises: mancarried device 40, described mancarried device comprise sound receiver module 40a,
Audio frequency output module 40b and the first communication unit 40c; And signal processing apparatus 20, described signal processing apparatus comprises microprocessor 20a and second communication unit 20b.
Described the first communication unit 40c and the 20b two-way communication of described second communication unit.The voice signal that described mancarried device 40 receives described sound receiver module 40a is sent to described signal processing apparatus 20, described signal processing apparatus 20 adopts described microprocessor 20a to process voice signal, and the signal after processing is sent back to described mancarried device 40, the voice signal after the audio frequency output module 40b playback process of described mancarried device 40.
The operation principle of this system is: the required sound of listening to of user gathers via the sound receiver module 40a of mancarried device 40, and formed transmission of sound signals is to signal processing apparatus 20.The real-time processing audio signal of program that signal processing module 20 sets according to user, and be transferred to the audio frequency output module 40b of mancarried device 40.Audio frequency output module 40b is converted into sound wave by the signal of handling well, exports to user and listens to.
Described sound receiver module 40a for example comprises sound receiving element and analog to digital converter, described sound receiving element is used for receiving voice signal, and by described transmission of sound signals to analog to digital converter, described analog to digital converter is for converting described voice signal to digital signal, and the first communication unit 40c by described mancarried device 40 is transferred to described signal processing module by described digital signal.
Sound receiving element can be microphone and the audio signal sample equipment that the carrier of microphone, described signal processing module carries, and can receive the audio signal of the sound wave that transmits in space and computer, TV, mobile phone, landline telephone, broadcast receiver, walkman output.The first communication unit 40c can pass through holding wire, bluetooth, wireless network (Wi-Fi), near-field communication (Near Field Communication, NFC), cellular mobile network signal transmission.The audio frequency range that sound receiving element receives comprises sound wave, ultrasonic wave and infrasound.
Particularly, by being worn on user's microphone with it, gather the voice signal in environment, or by the signal picker being directly connected with other electronic equipments, directly receive the audio signal of other electronic equipments outputs, then the signal collecting is transferred to signal processing apparatus 20 by communication modes such as wired, bluetooth or wireless networks.
Described signal processing apparatus 20 comprises microprocessor 20a and second communication unit 20b, described microprocessor 20a is for receiving described digital signal by described second communication unit 20b, and described digital signal is carried out to digital processing, and the described digital signal after digital processing is transferred to described audio frequency output module 40b by described second communication unit 20b.
In the present embodiment, microprocessor 20a is general purpose microprocessor or universal embedded microprocessor, comprising: the microprocessor using in the Graphics Processing module of using in the audio treatment unit using in the microprocessor using in the graphic process unit of using in the audio treatment unit using in the microprocessor using in the graphic process unit of using in the audio treatment unit using in the microprocessor using in mobile phone, mobile phone, mobile phone, panel computer, panel computer, panel computer, PC, PC, PC, server.The carrier of general purpose microprocessor and universal embedded microprocessor comprises: mobile phone, panel computer, PC, server.Second communication unit 20b can pass through holding wire, bluetooth, wireless network (Wi-Fi), near-field communication (Near Field Communication, NFC), cellular mobile network signal transmission.Microprocessor 20a can process the voice signal of multiple signals path input simultaneously, and the multipath audio signal after digital processing outputs to an audio frequency output module 40b by unification, or outputs to respectively a plurality of audio frequency output module 40b.
Signal processing module also comprises hearing aids module and human-computer interaction module, described human-computer interaction module comprises screen and keyboard and the interactive voice unit of handset touch panel, computer and panel computer, and described hearing aids module is set signal processing parameter by human-computer interaction module.
Particularly, the said equipment receives the digital signal that sound receiver module 40a sends over, its inner microprocessor 20a of software control by moving on the equipment such as mobile phone and PC, carries out this digital signal the processing such as noise reduction, homogenization, shift frequency, frequency folding, compression, amplification according to user's individual demand.Then the digital signal after handling well is transferred to audio frequency output module 40b by communication modes such as wired, bluetooth or wireless networks.
Described audio frequency output module 40b comprises audio output unit 31 (not shown in figure 1)s and digital to analog converter 32 (not shown in figure 1)s, described digital to analog converter 32 receives the described digital signal after digital processing and converts audio signal to for the first communication unit 40c by described mancarried device 40, and by described audio signal transmission to described audio output unit 31, described audio output unit 31 is for exporting described audio signal.
In the present embodiment, audio output apparatus is to be worn on the stereo sets such as earphone with it of user or loud speaker.
Particularly, audio frequency output module 40b becomes audio signal by the digital signal of handling well receiving through digital-to-analogue conversion, and plays to user, thereby makes user's uppick through the sound after processing.
Fig. 2 illustrates a kind of portable execution mode of programmable digital hearing assistance system according to an embodiment of the invention, and whole system forms by being worn on user's portable microphone and earphone 40, smart mobile phone 20 and 50 3 parts of signal input apparatus with it.Microphone 101 in portable microphone and earphone 40 and signal input apparatus 50 can receive voice signal as sound receiver module.Smart mobile phone 20 carries out digital processing as signal processing module to voice signal.Earphone 301 in portable microphone and earphone 40 is exported the audio signal after digital processing as audio frequency output module.
Portable microphone can meet the daily function exchanging with people of user (as shown in Figure 2 a) with earphone 40 with smart mobile phone 20 co-operation.Particularly, user's ambient sound around gathers by microphone 101, then by analog to digital converter 102, analog signal is converted to digital audio signal.Voice signal utilizes the bluetooth module 401 in portable microphone and earphone 40 by bluetooth approach, to be transferred to the bluetooth module 204 of smart mobile phone.After smart mobile phone receives voice signal by built-in bluetooth module 204, hearing aids module 202 on smart mobile phone can be utilized the operational capability of smart mobile phone microprocessor 201, according to the parameter of setting real-time voice signal is carried out to the processing such as noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, audio mixing, with this, meet the demand of user to hearing-aid function.Wherein hearing aids module 202 may operate on the mobile phone operating systems such as the Android (Android) that is used widely at present, apple (iOS), Microsoft (Windows), smart mobile phone microprocessor 201 can use the multinuclear cell-phone microprocessor of the widely used ARM framework of current smart mobile phone, and its operational capability can meet completely to the real-time processing demands of voice signal.The human-computer interaction interface 203 that the required parameters of handling procedure can provide by smart mobile phone software 202 is mutual with user, completes the setting of acoustic processing program parameters.The new audio signal that voice signal produces after processing through microprocessor 201 is transferred to the bluetooth 401 of portable microphone and earphone 40 again by the bluetooth 204 of embedded in mobile phone, then through D/A converter module 302, be converted to analog signal and by the earphone 301 that is worn on user ear, audio signal played back for user and listened to afterwards.
On the basis of above-described embodiment, smart mobile phone 20, portable microphone and earphone 40, signal input apparatus 50 co-operation can meet user and listen to the functions (as shown in Figure 2 b) such as music, TV, broadcast, phone.Particularly, the audio interface 501 of signal input apparatus 50 can be connected with the audio output port of the electronic equipments such as PC, panel computer, TV, broadcast receiver, MP3, phone, directly from the said equipment received audio signal.The audio signal collecting is converted to digital audio and video signals via analog to digital converter 502 and then audio signal is transferred to the bluetooth module 204 of smart mobile phone 20 by the bluetooth module 503 of signal input apparatus 50 inside.After this, hearing aids software 202 utilizes the microprocessor 201 of smart mobile phone according to the real-time audio signal of setting program, and audio signal is transferred to portable microphone and earphone 40 by Bluetooth of mobile phone module 204.The bluetooth module 401 of portable microphone and earphone 40 plays back audio signal for user and listens to the Bluetooth signal transmission receiving to the earphone 301 that is worn on user ear.
In above-mentioned execution mode, smart mobile phone 20, portable microphone and earphone 40, signal input apparatus 50 are all furnished with the power supply of battery or power interface assurance each several part.In above-mentioned execution mode, smart mobile phone 20 also can be replaced by panel computer, PC, only needs panel computer and PC to support Bluetooth communication.In above-mentioned execution mode, data communication between smart mobile phone 20 and portable microphone and earphone 40, signal input apparatus 50 not only can be used the Bluetooth communication in this programme, also can adopt cable data transmission (such as using USB (USB) data wire or audio transmission line etc.), or other Wireless Data Transmission modes (such as Wi-Fi, mobile cellular network etc.).Present embodiment adopts smart mobile phone as signal processing unit, but not panel computer and PC, because be mainly to consider that present embodiment is portable embodiment, person easy to use to carry.And the employing of the transfer of data between portable microphone and earphone and smart mobile phone Bluetooth communication is also that person easy to use uses in daily life, avoided data wire on the impact of using, and Bluetooth communication can meet the demand of use, therefore do not need to use Wi-Fi wireless network, thereby reduce the whole required power consumption of this programme.
Fig. 3 according to an embodiment of the invention programmable digital hearing assistance system a kind of centralized execution mode.
Whole system comprises a plurality of users of being worn on portable microphone and earphone 410 and one or more server 210 two parts compositions with it.Its operation principle is as follows: present embodiment is set up a WLAN (wireless local area network) centered by server, and the portable microphone that each user wears with it and earphone 410, as a terminal in wireless network, are connected with server 210 by wireless network.For independent user, its ambient sound around gathers by microphone 110, through analog to digital converter 111 be converted to digital signal by wireless network (Wi-Fi) module 411 in portable microphone and earphone 410 by voice signal by wireless network transmissions the wireless router 214 to server 210.The data message of different users's transmission is distinguished in the network address of the portable microphone that router two 14 is worn according to each different users and earphone 410.Then on server, move the operational capability that hearing aids software 212 utilizes the general purpose microprocessor 211 of server 210, can according to the predefined personalization program of each different users real-time voice signal is carried out to the processing such as noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, audio mixing, with this, meet the demand of user to hearing-aid function.Wherein hearing aids software 212 may operate in Microsoft's Window (Windows) operating system, in the operating systems such as apple (iOS) operating system or linux.The general purpose microprocessor that processor-server chip can be used now widely used Intel (Intel) company, AMD, extremely strong (Xeon) company etc. to produce.The human-computer interaction interface 213 that the required parameters of handling procedure can provide by smart mobile phone software 212 is mutual with user, complete the setting of acoustic processing program parameters, and need to use different signal processing parameters for each different user.The new audio signal that voice signal produces after processing through microprocessor 211 is transferred to respectively the Wi-Fi module 411 of each portable microphone and earphone 410 again by the wireless router 214 of server.Utilize portable microphone and the earphone 410 that different users wears to have the different network addresss, after having guaranteed that sound signal processing that server 210 can collect each user is with it crossed, then return to this user.Then D/A converter module 311 transfers digital audio and video signals to analog signal, by being worn on the earphone 310 of user ear, audio signal is played back for user and is listened to.
In above-mentioned execution mode, server 210 also can be replaced by PC, only need people's computer and all users can be connected to same router and guarantee mutually can communicate by letter, and the microprocessor operational performance of PC can meet the required operational capability that signal is processed under this number of users.In above-mentioned execution mode, server 210 not only can be used the wireless network (Wi-Fi) in this programme to communicate by letter with the data communication between portable microphone and earphone 410, also other Wireless Data Transmission modes (such as Bluetooth communication etc.) can have been adopted, in the present embodiment, consider the restriction of transmission range, so preferred wireless network (Wi-Fi) communication.Present embodiment adopts server 210 as signal processing unit, processes service for a plurality of users provide signal simultaneously, and this centralized execution mode is convenient to be used in the more concentrated occasion of the people of dysacousis, such as hospital or the home for the aged etc.The advantage of this embodiment is, each user only needs to wear portable microphone and earphone 410, without other equipment, has facilitated user's routine use.
According to programmable digital hearing assistance system of the present invention, sound receiver module, signal processing module and audio frequency output module are separated from each other, between three, pass through wired or wireless communication mode signal transmission, signal processing module adopts digital technology processing audio signal, and the microprocessor in signal processing module is general purpose microprocessor or universal embedded microprocessor, the carrier of signal processing module can be the business-like mobile phone extensively buying, panel computer, the electronic equipment that PC etc. are common, and the said equipment is without specific customization, only need to support the Wireless Data Transmission modes such as bluetooth or Wi-Fi just can wear with user your wireless microphone and the stereo set such as earphone or other loud speakers function that has been used in conjunction with hearing aids with it, can also set according to different users different acoustic processing programs, for user provides graphic interface, the interactive information such as voice messaging, and according to interactive information setting signal processing parameter, to signal real-time carry out digital processing.
Fig. 4 illustrates according to an embodiment of the invention the flow chart for the method for programmable digital hearing assistance system.This realization flow 400 can be carried out by programmable digital hearing assistance system, and this system can be realized by software and/or hardware.Details are as follows for the method:
The voice signal that step S401, mancarried device receive the sound receiver module of described mancarried device is sent to described signal processing apparatus.
Particularly, the sound receiving element of the sound receiver module of mancarried device receives voice signal, and by described transmission of sound signals to analog to digital converter, the analog to digital converter of sound receiver module converts described voice signal to digital signal, and the first communication unit by mancarried device is transferred to described signal processing apparatus by described digital signal.
Step S402, employing microprocessor are processed voice signal, and the signal after processing is sent back to described mancarried device.
Particularly, the microprocessor of signal processing apparatus receives described digital signal by second communication unit, and described digital signal is carried out to digital processing.The hearing aids module of signal processing apparatus is set signal processing parameter by the human-computer interaction module of signal processing apparatus, described microprocessor is according to the signal processing parameter of setting, to signal real-time carry out noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, stereo process.Described microprocessor is transferred to the described digital signal after digital processing the audio frequency output module of mancarried device by second communication unit.
Voice signal after the audio frequency output module playback process of step S403, described mancarried device.
Particularly, the digital to analog converter of the audio frequency output module of mancarried device is received the described digital signal after digital processing and is converted to audio signal by the first communication unit of mancarried device, audio output unit by described audio signal transmission to described audio frequency output module, audio output unit is exported described audio signal.
On the basis of above-described embodiment, described microprocessor can be processed the voice signal of multiple signals path input simultaneously, and the multipath audio signal after digital processing outputs to an audio frequency output module by unification, or output to respectively a plurality of audio frequency output modules.
Above-described embodiment is of the present invention giving an example, although disclose for the purpose of illustration embodiments of the invention and accompanying drawing, but it will be appreciated by those skilled in the art that: without departing from the spirit and scope of the invention and the appended claims, various replacements, variation and modification are all possible.Therefore,
The present invention should not be limited to embodiment and the disclosed content of accompanying drawing.
Claims (18)
1. a programmable digital hearing assistance system, comprising:
Mancarried device, described mancarried device comprises sound receiver module, audio frequency output module and the first communication unit; And
Signal processing apparatus, described signal processing apparatus comprises microprocessor and second communication unit,
Wherein, described the first communication unit and the unit two-way communication of described second communication, and
The voice signal that described mancarried device receives described sound receiver module is sent to described signal processing apparatus, described signal processing apparatus adopts described microprocessor to process voice signal, and the signal after processing is sent back to described mancarried device, the voice signal after the audio frequency output module playback process of described mancarried device.
2. programmable digital hearing assistance system according to claim 1, wherein, described microprocessor is be selected from general purpose microprocessor and universal embedded microprocessor a kind of.
3. programmable digital hearing assistance system according to claim 1, wherein, described universal embedded microprocessor comprises the microprocessor using in vehicle-mounted or mobile phone, panel computer, PC, server, router.
4. programmable digital hearing assistance system according to claim 1, wherein, described sound receiver module comprises sound receiving element and analog to digital converter, and described sound receiving element is used for receiving voice signal, and described analog to digital converter is for converting described voice signal to digital signal.
5. programmable digital hearing assistance system according to claim 4, wherein, described sound receiving element comprises: the microphone that the carrier of microphone, described signal processing apparatus carries and audio signal sample equipment.
6. programmable digital hearing assistance system according to claim 4, wherein, the described voice signal that described sound receiving element receives comprises: the audio signal of the sound wave transmitting in space and computer, TV, mobile phone, landline telephone, broadcast receiver, walkman output.
7. programmable digital hearing assistance system according to claim 1, wherein, described microprocessor can be processed the voice signal of multiple signals path input simultaneously.
8. programmable digital hearing assistance system according to claim 1, wherein, described signal processing apparatus also comprises hearing aids module and human-computer interaction module, described human-computer interaction module comprises screen and keyboard and the interactive voice unit of handset touch panel, computer and panel computer, and described hearing aids module is set signal processing parameter by human-computer interaction module.
9. programmable digital hearing assistance system according to claim 1, wherein, described microprocessor is according to the signal processing parameter of setting, to signal real-time carry out noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, stereo process.
10. programmable digital hearing assistance system according to claim 1, wherein, described audio frequency output module comprises audio output unit and digital to analog converter, and described digital to analog converter is used for digital signal and converts audio signal to, and described audio output unit is used for exporting described audio signal.
11. programmable digital hearing assistance systems according to claim 1, wherein, described system comprises described at least one sound receiver module and audio frequency output module described at least one,
Each from described sound receiver module of described signal processing module is obtained voice signal, and voice signal is carried out to digital processing, then by the transmission of sound signals after processing, gives a corresponding audio frequency output module.
12. according to the programmable digital hearing assistance system described in any one in claim 1-11, wherein, between described sound receiver module and signal processing module and between described signal processing module and audio frequency output module, pass through a kind of communication in holding wire, bluetooth, wireless network, near-field communication, cellular mobile network.
13. 1 kinds of methods for the programmable digital hearing assistance system described in above-mentioned any one claim, wherein, described method comprises:
The voice signal that the sound receiver module of described mancarried device is received is sent to described signal processing apparatus;
Adopt microprocessor to process voice signal, and the signal after processing is sent back to described mancarried device;
Voice signal after the audio frequency output module playback process of described mancarried device.
14. methods according to claim 13, the voice signal wherein the sound receiver module of described mancarried device being received is sent to described signal processing apparatus and comprises:
The sound receiving element of the sound receiver module of described mancarried device receives voice signal, and by described transmission of sound signals to analog to digital converter,
The analog to digital converter of described sound receiver module converts described voice signal to digital signal,
The first communication unit of described mancarried device is given described signal processing apparatus by described digital data transmission.
15. methods according to claim 13, wherein adopt microprocessor to process voice signal, and the signal after processing is sent back to described mancarried device comprise:
Second communication unit in described signal processing apparatus receives described digital signal, and described digital data transmission is given to the microprocessor of described signal processing apparatus,
Described microprocessor carries out digital processing to described digital signal,
The described digital data transmission after digital processing is given the audio frequency output module of described mancarried device in the second communication unit of described signal processing apparatus.
16. methods according to claim 15, wherein said microprocessor carries out digital processing to described digital signal and comprises:
The hearing aids module of described signal processing apparatus is set signal processing parameter by the human-computer interaction module of described signal processing apparatus,
Described microprocessor is according to the signal processing parameter of setting, to signal real-time carry out noise reduction, frequency division, filtering, frequency equilibrium, frequency folding, shift frequency, compression, gain-adjusted, time delay, stereo process.
17. methods according to claim 13, wherein said microprocessor can be processed the voice signal of multiple signals path input simultaneously.
18. methods according to claim 13, the voice signal after the audio frequency output module playback process of wherein said mancarried device comprises:
The first communication unit of described mancarried device receives the described digital signal after digital processing, and sends to the digital to analog converter of the audio frequency output module of described mancarried device,
Described digital to analog converter converts the described digital signal after digital processing to audio signal, the audio output unit by described audio signal transmission to described audio frequency output module,
Described audio output unit is exported described audio signal.
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