KR20110101864A - Hearing aid ear-mike apparatus for connecting with terminal having a hearing aid fuction - Google Patents

Abstract

Disclosed is a hearing aid ear microphone device coupled with a terminal having a hearing aid function. An ear microphone device according to an embodiment of the present invention is an ear microphone device connected to a terminal for fitting and outputting a voice signal received according to a user's hearing using a hearing aid algorithm, and the ear microphone terminal provided in the terminal. Ear microphone jack connected with; And a ground line separator for separating the common ground of the ear microphone jacks into separate ground lines, respectively, to the microphone and the earphone, in order to prevent the occurrence of acoustic echo according to the use of the hearing aid function. It is possible to provide a high quality voice suitable for the user's hearing.

Description

HEARING AID EAR-MIKE APPARATUS FOR CONNECTING WITH TERMINAL HAVING A HEARING AID FUCTION}

The present invention relates to an ear microphone, and more particularly, to provide a voice signal fitted to a user's hearing by combining with a terminal equipped with a hearing aid algorithm, thereby reducing the cost of purchasing a hearing aid. By separating the common ground of the microphone jack into a separate ground line from the microphone and the earphone, it provides high quality voice to users by preventing acoustic echo due to high hearing loss that can be caused by the connection with the terminal. The present invention relates to a hearing aid ear microphone device coupled to a terminal having a hearing aid function.

In general, a hearing impaired person refers to a person who does not hear sound well enough to understand and talk in everyday life, that is, a person who has a hearing impairment. And the like.

Types of hearing loss include prenegative hearing loss, sensitive hearing loss and mixed hearing loss. It is classified based on the degree of damage to bone and airway due to hearing loss due to high sound, hearing loss due to high fever and drug side effects.

Therefore, the hearing impaired people with hearing impairment can not do the daily life naturally, a hearing aid that is a device that can sufficiently compensate for the degree of hearing loss, hearing aids by amplifying the hearing or surrounding sounds depending on the degree of hearing loss It is a device that allows the phosphorus to hear words more clearly and helps to sound more natural.

In general, hearing aids are a handset that collects and outputs audible and ambient sounds as an electrical signal, an amplifier that receives and outputs the signals from the handset, and amplifies and amplifies the signals amplified by the amplifier. And a battery for powering the handset and the handset, the handset and the amplifier. Types of hearing aids are box-type, earring-type, eyeglass-type, and ear-type. Recently, the ear-type is further developed, and a tympanic type can be inserted deep into the ear.

These hearing aids are expensive products and can impose a burden on the deaf person in terms of cost. The technology for implementing the hearing aid function using a mobile communication terminal that most people carry while solving these cost aspects is disclosed in Korea Patent Publication. No. 2009-0112658.

However, the prior art of implementing a hearing aid function using a mobile communication terminal only describes that the hearing aid function can be implemented using a general ear microphone. When used as a hearing aid function, there is a problem that the acoustic echo phenomenon may occur in the ear microphone.

Therefore, there is a need for a method capable of preventing acoustic echo phenomena that may be caused by used, high hearing loss.

An object according to an embodiment of the present invention, which was devised to solve the above problems, is to mount a hearing aid algorithm on a mobile communication terminal carried by most people, and an ear microphone connected to an ear microphone terminal provided in the mobile communication terminal. By providing a function to prevent the acoustic echo, to provide a hearing aid ear microphone device that can provide a high-quality voice to the user's hearing without the need to purchase a separate hearing aid.

In order to achieve the above object, the ear microphone device according to an aspect of the present invention is the ear microphone device connected to a terminal for outputting by fitting a voice signal received by using a hearing aid algorithm according to the user's hearing, the terminal Ear microphone jack connected to the ear microphone terminal provided in; And a ground line separator for separating the common ground of the ear microphone jacks into separate ground lines to the microphone and the earphone, respectively, in order to prevent an echo from being generated according to the use of the hearing aid function.

Preferably, the amplifying unit for amplifying the voice signal input to the ear microphone jack to output to the earphone; And a power supply unit supplying a predetermined voltage to the amplifier.

The apparatus may further include a first amplifier configured to amplify the voice signal input to the microphone and output the amplified voice signal to the ear microphone jack, wherein the power supply may supply a predetermined voltage to the first amplifier.

Preferably, fitting a voice signal input to the ear microphone device to fit the user's hearing using a pre-stored first hearing aid algorithm and data received from the mobile communication terminal and fitted to fit the user's hearing. A signal processor for outputting to the earphone; And a dual mode for receiving the fitted data from the mobile communication terminal and providing the fitted data to the signal processing unit and interworking the hearing aid algorithm of the mobile communication terminal with the first hearing aid algorithm through connection with the mobile communication terminal. And a controller for determining the single mode using only the first hearing aid algorithm to control the signal processor.

Furthermore, a micro USB jack for connecting to a micro universal serial bus (micro USB) provided in the mobile communication terminal; And a charging unit configured to charge a battery provided in the power supply unit by using the power input through the micro USB jack.

Preferably, the control unit may receive the fitted data provided from the mobile communication terminal through the micro USB jack.

Preferably, in the dual mode, the mobile communication terminal fits the input voice signal to a preset first fitting value and outputs the voice signal to the ear microphone unit, and the signal processor is configured to output the voice signal fitted to the first fitting value. The second fitting value may be fitted to fit the user's hearing.

Preferably, the amplification unit for amplifying the voice signal input to the microphone and outputs to the ear microphone jack, amplifying the voice signal input to the ear microphone jack and outputs to the earphone; A first switching unit selectively connecting any one of the ear microphone jack, one end of the amplifying unit, and one end of the signal processing unit according to a control signal of the controller; And a second switching unit selectively connecting any one of the microphone, the earphone, the other end of the amplifier, and the other end of the signal processor according to a control signal of the controller.

Preferably, the control unit may control the ear microphone jack, the microphone and the earphone to be connected through the amplifying unit by controlling the first switching unit and the second switching unit when the mobile communication terminal is connected.

According to the present invention, a voice fitted to a user's hearing using a terminal equipped with a hearing aid algorithm, for example, a mobile communication terminal and an ear microphone having a function for preventing acoustic echo that may be generated by high hearing loss. Since it is provided to the user through the microphone, it can be applied to all terminals equipped with ear microphone terminals, and it is possible to reduce the burden on the user in terms of cost since there is no need to purchase a separate hearing aid.

In addition, the present invention can be used for both hearing loss and high hearing loss through the terminal equipped with a hearing aid algorithm and the ear microphone equipped with an acoustic echo protection function according to the high hearing loss, and by checking the left and right hearing of the user The ability to fit hearing can provide a high quality voice to the user.

Figure 1 shows a system configuration for explaining the ear microphone device according to an embodiment of the present invention.
FIG. 2 illustrates a configuration of an embodiment of the mobile communication terminal shown in FIG. 1.
FIG. 3 illustrates an embodiment configuration of the ear microphone device shown in FIG. 1.
Figure 4 shows a system configuration for explaining the ear microphone device according to another embodiment of the present invention.
FIG. 5 illustrates a configuration of an embodiment of the mobile communication terminal shown in FIG. 4.
FIG. 6 illustrates a configuration of an ear microphone device shown in FIG. 4.
FIG. 7 illustrates another embodiment of the ear microphone device of FIG. 4.
FIG. 8 is a diagram illustrating another configuration of the ear microphone device of FIG. 4.

Other objects and features of the present invention in addition to the above objects will be apparent from the description of the embodiments with reference to the accompanying drawings.

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In describing the present invention, when it is determined that the detailed description of the related well-known configuration or function may obscure the gist of the present invention, the detailed description thereof will be omitted.

Hereinafter, a hearing aid ear microphone device coupled to a terminal having a hearing aid function according to an embodiment of the present invention will be described in detail with reference to FIGS. 1 to 8.

Prior to the detailed description of the present invention, a mobile communication terminal according to the present invention includes a cellular phone, a Personal Communications Services phone (PCS phone), and an synchronous / asynchronous International Mobile Telecommunication-2000 (IMT-2000) terminal. In addition, notebook PCs, desktop PCs, and Palm PCs, which can be equipped with a hearing aid algorithm to provide voice to the user's hearing using ear microphone terminals and / or USB terminals, may be used. , All communication devices such as a personal digital assistant (PDA), a smart phone, a wireless application protocol phone (WAP phone), and a mobile play-station.

Figure 1 shows a system configuration for explaining the ear microphone device according to an embodiment of the present invention.

Referring to FIG. 1, the system includes a mobile communication terminal 110 having an ear microphone terminal and an ear microphone device 120 for hearing aid according to the present invention.

As in the example illustrated in FIG. 2, the mobile communication terminal 110 includes a transceiver 210, a switching unit 220, a key input unit 230, a controller 240, a fitting unit 250, and an ear microphone terminal ( 260 and a display unit 270.

The transceiver 210 is a communication module for providing a mobile communication service such as voice call, text message, data communication, and the like, and is, for example, a means for performing communication with a base station.

The key input unit 230 is a means for receiving input from a user, and includes all input means such as a keypad, a touch pad, and the like.

The display unit 270 is a means for displaying the data provided from the control unit 240. In the present invention, by performing a hearing aid algorithm, information for setting the user's hearing for each frequency or for each channel is displayed graphically or numerically. .

In addition, the display unit 270 may receive and display data for examining a user's hearing.

The ear microphone terminal 260 is a terminal for connecting with the ear microphone jack provided in the ear microphone device 120, and may be a 4-pole terminal of a ground line, a microphone signal line, a left earphone line, and a right earphone line, or a ground line. It may also be a three-pole terminal of the microphone signal line and the earphone line, in the present invention will be described assuming that the microphone terminal as a four-pole terminal.

The controller 240 is a block for controlling all means constituting the mobile communication terminal. In the present invention, the voice signal received by the transceiver 210 is fitted to fit the user's hearing so as to provide the voice signal to the user. It provides to the fitting unit 250, and controls the switching means 220 in accordance with the mode of use of the mobile communication terminal to provide a voice signal input through the microphone terminal 260 to the fitting unit 250 or the transceiver unit 210 To provide.

For example, the controller 240 confirms that the microphone device is connected to the ear microphone terminal 260, and when the terminal is in the call mode, the control unit 240 receives the voice signal received through the ear microphone terminal 260 through the transceiver 210. In order to transmit to a counterpart terminal, and in a hearing aid mode in which the terminal provides a hearing aid function by itself, a switching means 220 may be provided to provide the fitting unit 250 with a voice signal received through the microphone terminal 260. By controlling, the voice signal input to the microphone of the microphone device may be fitted to fit the user's hearing and provided to the user.

As another example, the controller 240 may control the switching unit 220 when the call connection signal is received from the microphone device or the call connection signal is received through the key input unit 230 of the mobile communication terminal. May be automatically changed from the hearing aid mode to the call mode to be provided to the transceiver 210.

Of course, the controller 240 preferably controls the switching means 220 according to the operation mode of the terminal.

It is apparent to those skilled in the art that the voice signal in the present invention includes all voices such as telephone calls, music, video, and the like.

The switching unit 220 receives the voice signal input from the ear microphone device connected to the ear microphone terminal 260, that is, the voice signal input through the microphone, according to the control signal of the control unit 240. It transmits to the transceiver 210 through 240.

That is, the switching means 220 is a means for fitting the voice signal input to the microphone of the microphone device to fit the user's hearing and then providing the same to the earphone of the microphone device.

The fitting unit 250 includes a hearing aid algorithm, and after fitting a voice signal input to the fitting unit 250 to a voice signal suitable for the user's hearing using fitting data set to fit the user's hearing, the microphone terminal is then used. Output to 260 or to a speaker (not shown) provided in the terminal itself.

In this case, the hearing aid algorithm provided in the fitting unit 250 may be an algorithm suitable for an operating system (OS) of the mobile communication terminal, for example, Android, iPhone OS, Symbian, and Windows Mobile. For example, when the OS of the mobile communication terminal is Android, it is preferable to mount the hearing aid algorithm executed in Android to the fitting unit 250.

The fitting unit 250 uses Voice Activity Detection (VAD) technology, Automatic Gain Control (AGC) technology, Acoustic Echo Canceller (AEC) technology, and L / R fitting control technology. It is preferable to include.

Voice activity detection technology provides background noise reduction and speech enhancement function according to the frequency analysis of the voice signal region of the input audio signal, that is, the audio signal received by the fitting load 250, and the automatic gain control technology is set to the set audio signal size It automatically adjusts the input signal size accordingly, and the acoustic echo cancellation technology eliminates the echo signal generated by the feedback of the audio signal components to the microphone (MIC), and the L / R fitting control technology The speech region is subdivided into more than 16 to 16 channels to compensate the frequency region to suit the user's personal hearing, thereby controlling speech discrimination and sound amplification.

In addition, the fitting unit 250 provides a menu using the hearing aid-only graphical user interface (GUI) to the user through the display unit 270 when the user selects a hearing aid function, so that the user fits each of the left and right hearings by frequency region. The fitting value can be set so that the hearing loss and sound volume can be adjusted. Of course, the loudness may be set automatically.

The fitting unit 250 may store the fitting data about left and right hearings set by a user in a database in a storage unit (not shown) provided in the mobile communication terminal. When fitting data for a plurality of users is stored, When using the hearing aid function, it is desirable to select and use the user.

Furthermore, the fitting unit 250 may include a function of inspecting hearing in the hearing aid algorithm to output a specific signal for each frequency, and examine the hearing state of the hearing inspector according to a procedure in which the hearing inspector recognizes and confirms it. .

Although the configuration of the mobile communication terminal has been limited to the configuration illustrated in FIG. 2, it is obvious to include general components constituting the mobile communication terminal, for example, an antenna, a memory, a mixer, and the like.

Ear microphone device 120, as shown in the example shown in Figure 3, ear microphone jack 310, ground line separating unit 320, call / volume setting unit 330, microphone (MIC) 340 and earphone And 350.

Ear microphone jack 310 is connected to the ear microphone terminal provided in the mobile communication terminal (110).

The ground line disconnecting unit 320 connects the common ground line of the ear microphone jack 310 to the microphone 340 to prevent acoustic echo that may occur due to the use of the hearing loss function of moderate to high hearing loss (110 [dB] or more). The left (L) earphone and the right (R) earphone are provided separately from each ground line.

That is, the ground line separator 320 separates and provides four lines into six lines.

When the microphone jack 310 is connected to the mobile communication terminal, the call / volume setting unit 330 attempts to connect the call by pressing the call button 331 or outputs to the earphone 350 using the volume adjusting means 332. The volume of the voice signal, for example, a fitted voice signal, is adjusted to fit the user's hearing.

Here, the volume control may be controlled by using a variable resistor.

The earphone 350 includes an R earphone and an L earphone, and each earphone has a separate ground line, and is fitted to fit the user's hearing through a voice signal input through an ear microphone jack 310, that is, a hearing aid function. The left and right voice signals to the user.

The microphone 340 has a separate ground line and provides a voice signal input through the microphone to the mobile communication terminal through the microphone jack 310.

At this time, the microphone 340 is preferably configured by integrating with earphones, for example, L earphones. When the earphone and the microphone are separated, the microphone is in close contact with the body and the friction sound of the clothes or the body is transmitted to the ear when the user moves. Because it can be heard in an unpleasant sound.

Figure 4 shows a system configuration for explaining the ear microphone device according to another embodiment of the present invention.

Referring to FIG. 4, the system includes a mobile communication terminal 410 having an ear microphone terminal and a micro universal serial bus (USB) terminal and an ear microphone device 420.

That is, the ear microphone device 420 illustrated in FIG. 4 refers to a mobile communication terminal 410 having a micro USB terminal. For example, the ear microphone device 420 may be connected to a smart phone to perform the hearing aid function of the present invention. .

As in the example illustrated in FIG. 5, the mobile communication terminal 410 includes a transceiver 510, a switching unit 520, a key input unit 530, a controller 540, a fitting unit 550, and an ear microphone terminal ( 560, a display unit 570, and a micro USB terminal 580.

Here, the transceiver 510, the switching unit 520, the key input unit 530, the ear microphone terminal 560, and the display unit 570 are the transceiver 210, the switching unit 220, and the key illustrated in FIG. 2. Since the functions of the input unit 230, the ear microphone terminal 260, and the display unit 270 are the same, the description thereof is omitted.

When the micro USB jack of the microphone device 420 is connected to the micro USB terminal 580 in addition to the function of the control unit 240 illustrated in FIG. 2, the control unit 540 connects to the ear microphone device through the micro USB terminal 580. Power Supply For example, provide a DC 5 [V] power supply.

In addition, when the ear microphone device is equipped with a hearing aid algorithm, the controller 540 may provide data fitted to the hearing of the user through the micro USB terminal 580 to the ear microphone device, and the hearing aid algorithm is provided. The ear microphone device is coupled to the mobile communication terminal and uses the hearing aid algorithm of the mobile communication device and the hearing aid algorithm of the ear microphone device to interoperate with each other. The fitting unit 550 may be controlled to be fitted to the first fitting value applied to the dual mode by the unit 550, which will be described in detail with reference to FIG. 7.

The fitting unit 550, like the function of the fitting unit 240 illustrated in FIG. 2, fits an input voice signal using data fitted to fit the user's hearing, and then, a hearing aid algorithm of the microphone device. In the dual mode in which the voice signal is interlocked with each other, the first fitting value may be fitted under the control of the controller 540 and then output to the microphone terminal 560, which will be described with reference to FIG. 7.

The micro USB terminal 580 is provided with a DC power supply to the microphone device when the micro USB jack provided in the ear microphone device is connected, and further, the data provided from the control unit 540, for example, fit to fit the user's hearing. The data is then provided to the microphone device.

Since the microphone device 420 includes a power supply unit for supplying power using a battery, the microphone device 420 may perform amplification and hearing functions in the microphone device itself. It demonstrates with reference to FIGS. 6-8.

FIG. 6 illustrates a configuration of an ear microphone device shown in FIG. 4.

Referring to FIG. 6, the ear microphone device 420 includes an ear microphone jack 610, a first amplifier 620, a ground line separator 630, a second amplifier 640, and a volume controller 650. , A micro USB jack 660, a charging unit 670, and a power supply unit 680.

The ear microphone jack 610 is connected to the ear microphone terminal provided in the mobile communication terminal to provide a voice signal input to the mobile communication terminal, the earphone is a voice signal fitted to fit the user's hearing input from the mobile communication terminal That is, R earphones and L earphones are provided.

Here, although the ear microphone jack 610 may be directly configured in the ear microphone device, the ear microphone device and the microphone terminal, and by using a connecting means provided with both ends of the ear microphone jack, the mobile communication terminal and the ear microphone You can also connect devices.

The first amplifier 620 amplifies the voice signal input to the microphone MIC to a predetermined level and then outputs the voice signal to the microphone jack 610. Here, the first amplifier 620 may not be configured depending on the situation when it is not necessary to amplify the voice signal input to the microphone.

The ground line disconnecting unit 630 connects the common ground line of the ear microphone jack 610 to the microphone and the L earphone to prevent acoustic reflection that may occur due to the use of the hearing loss function of moderate to high hearing loss (110 [dB] or more). And R earphones are provided separately from the ground line of each.

The volume controller 650 adjusts the volume of the voice signal input through the microphone jack 610, that is, the voice signal fitted to fit the user's hearing, and may adjust the volume using a variable resistor.

When the call button is connected to the output terminal of the microphone and the switch is pressed, the call button is transferred to the mobile communication terminal through the microphone jack 610 to attempt a call connection.

The second amplifier 640 amplifies the voice signal output from the volume controller 650 to a predetermined level or more by using a low noise amplifier (LNA) so as to be applied to a high hearing loss person, and outputs it to the earphone. do.

Here, the voice signal output from the mobile communication terminal may not be output to more than 120 [dB], so in order to apply to the hearing impaired, the voice signal should be amplified to 130 [dB] or more, and the second amplifier 640 You can implement this by using

Since the second amplifier 640 amplifies a voice signal of a predetermined level or less in a state where the ground line is separated, the second amplifier 640 may further prevent an acoustic echo phenomenon as compared to the ear microphone device shown in FIG. 3.

The micro USB jack 660 receives the power provided from the mobile communication terminal in combination with the micro USB terminal provided in the mobile communication terminal, and provides the same to the charging unit 670.

In this case, the function of the micro USB jack 660, that is, the function of receiving power and providing the power to the charging unit 670 may be implemented using an adapter that provides a constant DC voltage, for example, DC 5 [V].

The charging unit 670 is a block for charging a battery constituting the power supply unit 680 using power received through the micro USB jack 660 or power received through an adapter (not shown). The charging function may be performed. The charging circuit constituting the charging unit 670 may vary according to the type of battery included in the power supply unit 680.

The power supply unit 680 supplies power to the first amplifier 620 and the second amplifier 640 so that the first amplifier 620 and the second amplifier 640 may perform an amplification function. .

FIG. 7 illustrates another embodiment of the ear microphone device of FIG. 4.

Referring to FIG. 7, the ear microphone device 420 includes an ear microphone jack 710, a signal processor 720, a ground line separator 730, a USB driver 740, a controller 750, and a volume controller 760. ), A micro USB jack 770, a charging unit 780 and a power supply unit 790.

Ear microphone jack 710, the ground line separation unit 730, the charging unit 780 functions for the ear microphone jack 610, ground line separation unit 630, the charging unit 670 and its function shown in FIG. Since this is the same, the description is omitted.

The micro USB jack 770 is coupled to the micro USB terminal provided in the mobile communication terminal to receive the power provided from the mobile communication terminal to provide to the charging unit 780, fitting to fit the user's hearing provided from the mobile communication terminal The received data is provided to the USB driver 740.

The power supply unit 790 then supplies power to a component that requires power in the microphone device, that is, the signal processor 720 and the controller 750.

The USB driver 740 drives the micro USB to provide the controller 750 with data received through the micro USB jack 770, that is, data fitted to the user's hearing.

The volume adjusting unit 760 includes a volume up means VOL_UP and a volume down means VOL_DN, for example, a switch, and provides a volume up or volume down signal to the controller 750.

The controller 750 provides the signal processor 720 with data fitted to the user's hearing received through the USB driver 740 and, when connected to the mobile communication terminal, performs voice signal through interworking with the mobile communication terminal. The dual mode for fitting and outputting is separated from the mobile communication terminal, and then the single mode for fitting and outputting a voice signal using only a microphone device is determined, and the signal processor 720 is controlled through the determination result.

In this case, the controller 750 may determine whether the connection with the mobile communication terminal is followed by using the connection of the microphone jack 710 and / or the connection of the micro USB jack 770.

In addition, the controller 750 controls the volume of the voice signal output from the signal processor 720 to the earphone using the volume up / down information received from the volume controller 760.

The signal processor 720 may be equipped with a hearing aid algorithm that is the same as or different from that of the hearing aid algorithm mounted in the mobile communication terminal, receive and store data fitted to the hearing of the user, and store the fit data of the user. Then, the audio signal received through the microphone jack 710 is fitted to fit the user's hearing and output to the earphone. The mounted hearing aid algorithm performs only a general digital hearing aid function having a fitting function of 4 channels or more in consideration of cost. May be a hearing aid algorithm.

In this case, the signal processor 720 may output the voice signal input through the microphone (MIC) by fitting the voice signal input in the dual mode to the preset second fitting value, and in the single mode. It can be output to earphones by fitting into a voice signal suitable for hearing.

Here, in the dual mode, the voice signal input to the signal processor 720 is a voice signal fitted to the first fitting value by the fitting unit included in the mobile communication terminal, and is fitted by the first fitting value and the second fitting value. The voice signal is preferably a voice signal fitted to fit the user's hearing. That is, when the ear microphone device is combined in the mobile communication terminal, it is determined as a dual mode, and the fitting unit is controlled to fit the voice signal to the first fitting value and then output to the ear microphone terminal. The voice signal is a voice signal input through the microphone or It may be a voice signal generated from a call voice signal or content received through the communication module.

As described above, the ear microphone device of FIG. 7 includes four or more hearing aid algorithms in the signal processing unit, and since data fitted to fit the user's hearing is stored, when the ear microphone device is combined with a mobile communication terminal, interworking of the hearing aid algorithm is performed. The best hearing aid function can be implemented, and the general hearing aid function can be performed even in a single mode, so that the hearing aid can be performed by performing a basic hearing aid function even when the mobile communication terminal is not carried.

FIG. 8 illustrates another embodiment of the ear microphone device illustrated in FIG. 4, which performs an amplification function when combined with a mobile communication terminal and a hearing aid function when separated from a mobile communication terminal. will be.

Referring to FIG. 8, the ear microphone device 420 includes an ear microphone jack 805, a ground line separating unit 810, a first switching unit 815, an amplifier 820, a second switching unit 825, The signal processor 830 includes a USB driver 835, a controller 840, a volume controller 845, a micro USB jack 850, a charger 855, and a power supply 860.

The ear microphone jack 805, the ground line disconnecting unit 810, the USB driving unit 835, the volume adjusting unit 845, the micro USB jack 850, and the charging unit 855 are ear microphone jacks 710 illustrated in FIG. 7. ), The ground line separator 720, the USB driver 740, the volume controller 760, the micro USB jack 770, and the charger 780 have the same function, and the amplifier 820 is illustrated in FIG. 6. Since the same function as the first amplifying unit 620 and the second amplifying unit 640 shown in the drawing is omitted.

The power supply unit 860 supplies the power of the battery to the amplifier 820, the signal processor 830, and the controller 840. Then, when the switching means constituting the microphone device requires the power, the power supply is also supplied to the switching means. Can be supplied.

The signal processor 830 receives and stores data fit to the user's hearing set in the mobile communication terminal through the controller 840, and fits a voice signal input to the signal processor 830, that is, a micro-input voice signal. Using the data, it fits the user's hearing and outputs it to the earphone.

The first switching unit 815 selectively connects one of the one end of the amplifier 820 and one end of the signal processor 830 to the microphone jack 805 according to the switching control signal received from the controller 840. .

The second switching unit 825 selectively selects one of the other end of the amplifying unit 820 and the other end of the signal processing unit 830 in accordance with the switching control signal received from the control unit 840. Connect.

Here, the switching control signal for controlling the first switching unit 815 and the second switching unit 825 may be the same signal to connect the microphone jack 805, the microphone and the earphone through the amplifier 820, The microphone jack 805, the microphone, and the earphone may be connected through the signal processor 830.

The controller 840 provides the signal processor 830 with data fitted to the user's hearing received through the USB driver 835, and determines whether to be coupled with the mobile communication terminal. By controlling the first and second switching units 815 and 825, the voice signal is transmitted through the amplifier 820, and when separated from the mobile communication terminal, the first and second switching units 815 and 825 are controlled. The voice signal is transmitted through the signal processor 830.

That is, the ear microphone device shown in FIG. 8 is a mode for performing only amplification function when coupled with the mobile communication terminal and the ear microphone jack, and, when separated from the mobile communication terminal, the hearing aid algorithm mounted on the signal processing unit and the user. By using the fitted data, a mode for performing a self hearing aid function can be selectively operated by controlling the switching means.

According to the present invention, a hearing aid ear microphone device combined with a terminal having a hearing aid function can be modified and applied in various forms within the scope of the technical idea of the present invention and is not limited to the above embodiments. In addition, the embodiments and drawings are merely for the purpose of describing the contents of the invention in detail, not intended to limit the scope of the technical idea of the invention, the present invention described above is common knowledge in the technical field to which the present invention belongs As those skilled in the art can have various substitutions, modifications, and changes without departing from the spirit of the present invention, it is not limited to the embodiments and the accompanying drawings. And should be judged to include equality.

610, 710: ear microphone jack
620: first amplifier
630, 730: ground line disconnect
640: a second amplifier
660, 770: micro USB jack
670, 780: live part
680, 790: power supply
720: signal processing unit
740: USB drive unit
750: control unit

Claims (9)

In the ear microphone device connected to a terminal for fitting and outputting a voice signal received by using a hearing aid algorithm to fit the user's hearing,
An ear microphone jack connected to an ear microphone terminal provided in the terminal; And
Ground line separator for separating the common ground of the ear microphone jack into a separate ground line from the ear microphone jack to the microphone and the earphone to prevent the acoustic echo from being generated by the use of the hearing aid function
Ear microphone device comprising a. The method of claim 1,
An amplifier for amplifying a voice signal input through the ear microphone jack and outputting the amplified voice signal to the earphone; And
A power supply unit supplying a predetermined voltage to the amplifier
Ear microphone device, characterized in that it further comprises. The method of claim 2,
A first amplifier for amplifying the voice signal input to the microphone to output the ear microphone jack
Further comprising:
The power supply unit
The ear microphone device, characterized in that for supplying a predetermined voltage to the first amplifier. The method of claim 1,
The earphone is fitted by fitting a voice signal input to the ear microphone device according to the user's hearing using a pre-stored first hearing aid algorithm and data received from the mobile communication terminal and fitted to fit the user's hearing. Signal processing unit for outputting; And
A dual mode for receiving the fitted data from the mobile communication terminal and providing the fitted data to the signal processing unit and interworking the hearing aid algorithm of the mobile communication terminal with the first hearing aid algorithm through connection with the mobile communication terminal; A controller for controlling the signal processor by determining a single mode using only the first hearing aid algorithm;
Ear microphone device, characterized in that it further comprises. The method according to claim 2 or 4,
A micro USB jack for connecting to a micro universal serial bus (micro USB) provided in the mobile communication terminal; And
Charging unit for charging the battery provided in the power supply using the power input through the micro USB jack
Ear microphone device, characterized in that it further comprises. The method of claim 5,
The control unit
And receiving the fitted data provided from the mobile communication terminal through the micro USB jack. The method of claim 4, wherein
In the dual mode
The mobile communication terminal may be configured to fit an input voice signal to a preset first fitting value and output the same to the ear microphone means, and the signal processor may be configured to fit the voice signal fitted to the first fitting value to the hearing of the user. Ear microphone device, characterized in that for fitting to the set second fitting value. The method of claim 4, wherein
An amplifier for amplifying the voice signal input to the microphone and outputting the voice signal to the ear microphone jack, and amplifying the voice signal input to the ear microphone jack and outputting the voice signal to the earphone;
A first switching unit selectively connecting any one of the ear microphone jack, one end of the amplifying unit, and one end of the signal processing unit according to a control signal of the controller; And
A second switching unit selectively connecting any one of the microphone, the earphone, the other end of the amplifying unit, and the other end of the signal processing unit according to a control signal of the controller;
Ear microphone device, characterized in that it further comprises. The method of claim 8,
The control unit
And the ear microphone jack, the microphone and the earphone are connected through the amplifying unit by controlling the first switching unit and the second switching unit when connected to the mobile communication terminal.

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