CN111615039A - A smart phone hearing aid device - Google Patents

Abstract

The invention discloses a smart phone hearing aid device, comprising a hearing aid headset and a wireless audio transmitter. The hearing aid headset comprises a microphone, a speaker, a wireless audio receiver, an audio input control module and a switch control button, a battery, and a mobile phone headset interface; The audio input control module is used to generate the 3rd channel audio input signal from the 1st channel and the 2nd channel audio input, the 1st channel audio input is the audio signal from the wireless audio receiver, the 2nd channel audio input is the audio signal from the microphone, The 3-channel audio input is input to the mobile phone through the mobile phone headset interface; the switch control button is used to switch the working mode of the audio input control module; the mobile phone processes the audio input signal from the self-listening headset and outputs it to the speaker through the mobile phone headset interface; wireless audio transmitter Pair with a wireless audio receiver to communicate. The audio frequency loss of the invention is small, the audio frequency reproduction degree is high, and the cost is low; it can be directly worn on the user's clothes, and is convenient to carry around.

Description

A smart phone hearing aid device

technical field

The present invention relates to medical equipment, in particular to a hearing aid device, in particular to a smart phone hearing aid device.

Background technique

A hearing aid is a small amplifier that amplifies the sound that was originally inaudible, and then uses the residual hearing of the hearing-impaired person to send the sound to the auditory center of the brain and feel the sound. It is mainly composed of five parts: microphone, amplifier, earphone, power supply and volume control. Hearing aids are classified into air conduction hearing aids and bone conduction hearing aids according to the conduction mode; box type, glasses type, hairpin type, behind-the-ear type, in-the-ear type, ear canal type, and deep-ear canal type hearing aids are classified according to the way of use.

Since the electronic hearing aid was put into use in the early 20th century, the structure of the hearing aid has not changed much, and it is still composed of a microphone, an amplifier, a receiver and a power supply. But hearing aid parts are getting smaller, sound quality is getting better, and there's more selective control.

At present, many hearing aids costing tens of thousands of yuan and tens of thousands of yuan cannot make the hearing-impaired person hear the sound of TV clearly.

Chinese invention patent application CN102474697A discloses a hearing aid, a signal processing method and a program, which can easily hear the sound of TV when the hearing aid user wants to watch TV, and can easily hear the voice of others when they want to talk to others. The hearing aid (100) is provided with: a sound source detection unit (150) that detects the utterance of a speaker other than the hearing aid wearer using the detected sound source direction information, the self-voicing detection result and the television sound detection result; and the self-voicing detection result is used , the TV sound detection result, the other person's utterance detection result and the sound source direction information, and each sound source frequency calculation unit (160) for calculating the frequency of each sound source. The scene discriminating unit (170) uses the sound source direction information and the frequency of each sound source to discriminate "conversation scene", "viewing and listening TV scene" and "viewing and listening TV scene while talking", and outputs the sound control unit (180) according to the The determined scene is used to control the sound output by the hearing aid (100). The patent application is that the hearing aid detects and identifies the wearer's voice, the voice of others and the sound generated by the TV by locating the sound source, and then processes the wearer's voice and the sound of the TV differently, so as to make the sound of the TV set. Enhancements can be made as needed to allow hearing aid wearers to hear the TV more clearly. However, the technical realization of this solution is relatively complicated and the cost is high.

Chinese utility model patent CN203492199U discloses a wireless hearing aid for listening to TV sound, including a transmitting device and a receiving device. The transmitting device is electrically connected by a signal pre-amplifier circuit, a voice modulation device and an infrared transmitter in sequence, so that the The receiving device is composed of an infrared receiver, a voice receiving circuit, a voice modulation circuit, an audio amplifying circuit and an earphone which are electrically connected in sequence, and the infrared transmitter is adapted to the infrared receiver. The utility model enables the hearing-impaired person to hear the TV sound (or other sound sources) clearly at a distance, avoids the influence of the TV sound on others, and overcomes the long-term super-strong volume stimulation caused by the hearing-impaired person. deterioration. The wireless hearing aid described in the patent receives the information from the audio output of the TV through a pair of infrared transmitters and receivers, the infrared transmitter is connected to the audio output of the TV, and the wireless hearing aid has a built-in audio adjustment modulation circuit and audio amplification circuit to complete the most Simple sound amplification hearing aid processing. And by turning on or off the infrared emitting device to control whether the hearing-impaired person listens to the accompanying sound of the TV. The patent only does a simple amplification of the TV sound (completed by an "audio amplification circuit"), and the effect of listening to the TV's accompanying sound is still not good. This patent controls whether the user listens to the sound of the TV by whether to allow the infrared emitting device to work, and the infrared emitting device is placed on the side of the TV and not beside the user, which is cumbersome to control and inconvenient to use.

Therefore, there is an urgent need in the art to develop a low-cost and easy-to-use hearing aid that can overcome the above drawbacks.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a smart phone hearing aid device, which has very little loss of audio quality, high audio reproduction, and can compensate for hearing loss according to the user's audiogram by using the power of smart phones and mobile phone hearing aid software. Processing power, low cost, better effect. Moreover, the device can be directly worn on the user's clothes, is convenient to carry around, and is convenient to operate and use.

In order to solve the above-mentioned technical problems, the present invention adopts the following technical solutions:

A smart phone hearing aid device, the device includes a hearing aid headset and a wireless audio transmitter, the hearing aid headset includes a microphone, a speaker, a wireless audio receiver, an audio input control module and a switch control button, a battery, a mobile phone headset an interface, the mobile phone headset interface includes a two-way audio input and output signal interface with the mobile phone;

The audio input control module is used to generate the third audio input signal from the first audio input and the second audio input, the first audio input is the audio signal from the wireless audio receiver, and the second audio input is from the wireless audio receiver. The audio signal of the microphone, the third audio input is input to the smartphone through the mobile phone headset interface; there are the following three working modes: (1) the first audio input is used as the third audio input; (2) the second audio input is used The input is used as the 3rd audio input; (3) the 1st audio input and the 2nd audio input are combined to obtain the 3rd audio input; the switching control button is used to manually switch the 3 working modes of the audio input control module;

After the smart phone performs hearing aid processing on the audio input signal from the hearing aid headset, it is then output to the speaker of the hearing aid headset through the mobile phone headset interface of the hearing aid headset; the wireless audio transmitter and the wireless connection of the hearing aid headset. Audio receiver pairing communication.

As a preferred technical solution of the present invention, the wireless audio receiver adopts Bluetooth or FM for audio reception, and the wireless audio transmitter adopts Bluetooth or FM for audio transmission; The Bluetooth pairing key for Bluetooth pairing communication between the audio transmitter and the wireless audio receiver.

As a preferred technical solution of the present invention, the mobile phone headset interface is a 3.5mm two-way audio interface, a Lighting interface, a Type-C interface, a USB interface or a Bluetooth interface.

As a preferred technical solution of the present invention, an audio amplifier is added between the mobile phone headset interface and the speaker, and the audio signal output from the mobile phone headset interface is first amplified by the audio amplifier through the left and right channel output, and then output to the horn.

As a preferred technical solution of the present invention, the wireless audio transmitter is connected to the TV set, and wirelessly transmits the audio signal from the TV set.

As a preferred technical solution of the present invention, the hearing aid headset has three working modes: (1) TV mode: corresponding to the audio input control module and the switching control button to select the audio signal from the wireless audio receiver, and the wireless audio receiver receives the audio signal from the wireless audio receiver. The TV audio signal sent by the wireless audio transmitter; (2) Hearing aid mode: corresponding to the audio input control module and the switch control button to select the audio signal from the microphone; (3) Hearing aid TV mode: corresponding to the audio input control module and The toggle control button selects the combined signal of the audio signal from the microphone and the audio signal from the wireless audio receiver.

As a preferred technical solution of the present invention, the third audio input is input to the smart phone through a mobile phone headset interface, and as the microphone input of the smart phone, a mono MIC input is used.

As a preferred technical solution of the present invention, the smart phone performs hearing aid processing on the audio input signal from the hearing aid headset, and the hearing aid processing is performed by the mobile phone hearing aid software installed on the mobile phone. The mobile phone hearing aid software first Test the user's hearing through the external hearing aid headset of the mobile phone to obtain the user's audiogram, and then perform noise reduction, hearing loss compensation, wide dynamic compression, and acoustic feedback suppression on the audio input from the external hearing aid headset according to the user's audiogram. Wait for audiology and acoustic processing, and then output the processed audio through an external hearing aid headset.

As a preferred technical solution of the present invention, the hearing aid headset includes a smart hearing aid pendant hanging on the chest and a speaker, the speaker is connected to the smart hearing aid pendant, and the smart hearing aid pendant is connected to a mobile phone; The hearing aid pendant has a built-in microphone, a Bluetooth audio receiver, an audio amplifier, and a lithium battery; the outer shell of the smart hearing aid pendant is provided with a switch control button, a Bluetooth pairing key, and a clothes clip, which is used to attach the smart hearing aid pendant to the Fastened to clothing.

As a preferred technical solution of the present invention, the switching control button is located on the front of the smart hearing aid pendant, the clothes clip is located on the back of the smart hearing aid pendant, and the Bluetooth pairing key is located on the side of the smart hearing aid pendant ; The front of the shell of the smart hearing aid pendant is also provided with LED red lights and LED blue lights; the side of the shell of the smart hearing aid pendant is also provided with a USB interface for connecting the power cord for charging; the speaker is connected by two wires. into the speaker interface of the smart hearing aid pendant, and the 3.5mm headset jack of the mobile phone is connected to the mobile phone headset port of the smart hearing aid pendant through another line.

Compared with the prior art, the beneficial effects of the present invention are:

The invention is to output the audio of the TV to the wireless audio transmitter through the audio output interface of the TV, and then receive the audio of the TV through the paired wireless audio receiver on the hearing aid headset, and then input it to the smart phone, and the mobile phone The hearing aid software compensates the audio of the TV for hearing loss according to the user's audiogram, and then outputs it to the hearing aid headset through the headset interface of the smartphone, and finally plays it through the speaker of the hearing aid headset. With such a technical solution, the audio of the TV is transmitted from the audio output interface of the TV to the wireless audio receiving module of the hearing aid headset, the audio quality loss is very small, the audio reproduction is high, and the hearing loss compensation is performed according to the user's audiogram with the help of a smartphone. With the powerful processing power of mobile phone hearing aid software, the cost is low and the effect is better.

In the present invention, the received TV audio is input to the smart phone, and the hearing aid software of the mobile phone performs hearing loss compensation on the audio of the TV according to the user's audiogram, and then outputs it to the hearing aid headset through the headset interface of the smart phone. , and finally played through the speakers of the hearing aid headset. Such a technical solution, according to the user's audiogram, makes use of the powerful processing capabilities of smart phones and mobile phone hearing aid software, with low cost and better effect, while the Chinese utility model patent CN203492199U is just a simple solution to the sound of the TV. The amplification (completed by the "audio amplifier circuit"), the effect of listening to the TV sound can not be compared with the patent. At the same time, the present invention controls whether the user listens to the sound of the TV through the mode key on the hearing aid headset worn on the user's body, and the Chinese utility model patent CN203492199U controls whether the user listens to the sound of the TV by making the infrared emitting device work. , and the infrared emitting device is placed on the side of the TV, not beside the user, and the control is more troublesome. The smart hearing aid pendant of the device of the present invention is provided with a clothes clip, which can be directly worn on the user's clothes and hung on the chest, which is convenient to carry around and easy to operate and use, and is especially suitable for the elderly.

Description of drawings

The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

Fig. 1 is the structural frame schematic diagram of the smart phone hearing aid device of the present invention;

Fig. 2 is the structural representation of the hearing aid headset of the present invention;

Fig. 3 is the front view of the intelligent hearing aid pendant of the present invention;

Fig. 4 is the right side view of the smart hearing aid pendant of the present invention;

FIG. 5 is a left side view of the smart hearing aid pendant of the present invention.

The reference numerals in the figure are explained as follows:

1 is the speaker, 2 is the smart hearing aid pendant, 3 is the mobile phone, 21 is the mobile phone headset interface, 22 is the switch control button (ie the mode button), 23 is the Bluetooth pairing button, 24 is the clothes clip, 25 is the speaker interface, 261 It is LED red light, 262 is LED blue light, and 27 is USB interface.

Detailed ways

As shown in FIG. 1 , the smart phone hearing aid device of the present invention includes a hearing aid headset and a wireless audio transmitter, and the hearing aid headset includes a microphone, a speaker, a wireless audio receiver, an audio input control module and a switch control button, a battery (can be is a lithium battery), a mobile phone headset interface; the mobile phone headset interface includes a two-way audio input and output signal interface with the mobile phone, and the smartphone headset interface can be a 3.5mm two-way audio interface, a Lighting interface, a Type-C interface, USB interface or Bluetooth interface. Preferably, the hearing aid headset of the present invention is connected to a 3.5mm headset jack of a smartphone. The wireless audio receiver adopts Bluetooth or FM for audio reception (it may be a Bluetooth audio receiver or FM audio receiver), and the wireless audio transmitter adopts Bluetooth or FM for audio transmission.

The audio input control module is used to generate the third channel audio input signal from the first channel audio input and the second channel audio input, and there are 3 working modes. The first audio input is the audio signal from the wireless audio receiver, the second audio input is the audio signal from the microphone, and the third audio input is input to the smartphone through the mobile phone headset interface (as the microphone input of the smartphone, you can use the mono MIC input). The 3 working modes include: (1) use the first audio input as the third audio input; (2) use the second audio input as the third audio input; (3) combine the first audio input and the second audio input channel audio input, get the third channel audio input. The switch control button is used to manually switch the 3 working modes of the audio input control module. The hearing aid headset has 3 working modes: (1) TV mode: corresponding to the audio input control module and the switching control button to select the audio signal from the wireless audio receiver, and the wireless audio receiver receives the TV sent from the wireless audio transmitter Audio signal; (2) Hearing aid mode: corresponding to the audio input control module and switching control button to select the audio signal from the microphone; (3) Hearing aid TV mode: corresponding to the audio input control module and the switching control button to select the microphone audio signal and The combined signal of the audio signal of the wireless audio receiver (that is, the hearing aid mode and the TV mode are turned on at the same time).

The mobile phone hearing aid software operates on a smart phone, performs hearing aid processing on the audio input signal from the hearing aid headset, and then outputs it to the speaker of the hearing aid headset through the mobile phone headset interface of the hearing aid headset. At present, there are many mobile hearing aid software on the market, such as Apple Store and Google Market, such as Petralex, Dectone, uSound, Fennex, Hearing Aid, Q+. The mobile phone hearing aid software first tests the user's hearing through the mobile phone's external hearing aid headset to obtain the user's audiogram, and then performs noise reduction, hearing loss compensation, wide dynamic range on the audio input from the external hearing aid headset according to the user's audiogram Audiology and acoustic processing such as compression and acoustic feedback suppression, and then output the processed audio through an external hearing aid headset. The mobile phone headset interface of the hearing aid headset and the speaker of the hearing aid headset are added with an audio amplifier, and the audio signal output from the mobile phone headset interface is output through the left and right channels to be amplified by the audio amplifier, and then output to the hearing aid headset. horn.

The wireless audio transmitter is paired to communicate with the wireless audio receiver of the hearing aid headset. The hearing aid headset is also provided with a Bluetooth pairing key for pairing the wireless audio transmitter and the wireless audio receiver for Bluetooth pairing communication.

The wireless audio transmitter is connected to the TV set, and wirelessly transmits the audio signal from the TV set.

The speaker part of the hearing aid headset adopts an in-ear design, which is comfortable to wear for a long time (8 hours) (uses skin-friendly materials) and is not easy to fall off.

As shown in Figure 2, Figure 3, Figure 4 and Figure 5, the hearing aid headset of the smart phone hearing aid device of the present invention includes a smart hearing aid pendant 2 hanging on the chest and a speaker 1, the speaker 1 and the smart hearing aid The pendant 2 is connected, and the smart hearing aid pendant 2 has a built-in microphone, a Bluetooth audio receiver, an audio amplifier, and a lithium battery; the outer shell of the smart hearing aid pendant 2 is provided with a switch control button (ie, a mode button) 22, Bluetooth pairing code key 23 and clothespin 24. The clothes clip 24 is used to fix the smart hearing aid pendant 2 on clothes. The switching control button (ie, the mode key) 22 is located on the front of the smart hearing aid pendant 2 , the clothes clip 24 is located on the back of the smart hearing aid pendant 2 , and the Bluetooth pairing key 23 is located on the side of the smart hearing aid pendant 2 . The front of the shell of the smart hearing aid pendant 2 is also provided with an LED red light 261 and an LED blue light 262; the LED red light 261 and the LED blue light 262 are used to display different working modes or states (see Table 1 for details); the smart hearing aid pendant 2 is also provided with a USB interface 27 on the side of the casing, and the USB interface 27 is used to connect a power cord for charging. The left and right speakers 1 are connected to the speaker interface 25 of the smart hearing aid pendant 2 through a double wire (the length of the earbud cable is 35cm), and the 3.5mm headset jack of the mobile phone 3 is connected to the mobile phone of the smart hearing aid pendant 2 through another wire (the length of the mobile phone cable is 90cm). on the headset interface 21.

Each component of the present invention is described in detail below:

1. Switch control button (ie mode button) 22: Switch input audio source - microphone (hearing aid)/Bluetooth audio (TV); power switch.

2. Bluetooth pairing key 23: used for Bluetooth pairing communication between the wireless audio transmitter and the wireless audio receiver.

3. Microphone:

High-quality noise-cancelling microphone parts are used.

Frequency response range: 100Hz～16kHz

Sensitivity: @1KHz－56dB

The microphone adopts a far-field design, which preferentially collects the voice within 1 to 3 meters around the user.

4. Sound output

Maximum output sound pressure: 110–115 dB SPL.

Frequency response range: 100Hz ~ 16KHz.

Audio output amplifier gain: 10dB

5. Charging interface (ie USB interface 27)

Charge with Micro USB socket. Set charging indication, and low voltage warning indication (when the battery is lower than 15%).

6. The battery can be a rechargeable battery, such as a lithium battery, the rechargeable battery can last for more than 8 hours for the hearing aid headset.

The function list of one of the smart phone hearing aid device embodiments of the present invention is shown in the following table 1:

Table 1

The working logic of the smart phone hearing aid device of the present invention is as follows:

1. Turn on the power first before operating other functions;

2. In charging mode, the hearing aid headset does not work.

Claims (10)

1. A smart phone hearing aid device is characterized in that the device comprises a hearing aid headset and a wireless audio transmitter, wherein the hearing aid headset comprises a microphone, a loudspeaker, a wireless audio receiver, an audio input control module, a switching control key, a battery and a mobile phone headset interface, and the mobile phone headset interface comprises a bidirectional audio input and output signal interface with a mobile phone;

the audio input control module is used for generating a 3 rd audio input signal from a 1 st audio input and a 2 nd audio input, wherein the 1 st audio input is an audio signal from a wireless audio receiver, the 2 nd audio input is an audio signal from a microphone, and the 3 rd audio input is input into the smart phone through a headset interface of the smart phone; there are 3 following modes of operation: (1) taking the 1 st audio input as the 3 rd audio input; (2) taking the 2 nd audio input as the 3 rd audio input; (3) combining the 1 st audio input and the 2 nd audio input to obtain a 3 rd audio input; the switching control key is used for manually switching 3 working modes of the audio input control module;

the smart phone performs hearing aid processing on the audio input signal from the hearing aid headset and outputs the audio input signal to a loudspeaker of the hearing aid headset through a mobile phone headset interface of the hearing aid headset; the wireless audio transmitter is in paired communication with a wireless audio receiver of a hearing aid headset.

2. The smartphone hearing aid device of claim 1 wherein the wireless audio receiver employs bluetooth or FM for audio reception and the wireless audio transmitter employs bluetooth or FM for audio transmission; the hearing aid headset is further provided with a Bluetooth pairing code key for carrying out Bluetooth pairing communication on the wireless audio transmitter and the wireless audio receiver.

3. The smart phone hearing aid device of claim 1 wherein the phone headset interface is a 3.5mm bi-directional audio interface, a Lighting interface, a Type-C interface, a USB interface or a bluetooth interface.

4. The hearing aid device of claim 1 or 3 wherein an audio amplifier is added between the handset headset interface and the speaker, and audio signals from the handset headset interface are output via left and right channels, amplified by the audio amplifier, and output to the speaker.

5. The smartphone hearing aid device of claim 1 wherein the wireless audio transmitter is coupled to a television for wirelessly transmitting audio signals from the television.

6. The smartphone hearing aid device of claim 1 or 5, wherein the hearing aid headset has 3 modes of operation: (1) TV mode: the corresponding audio input control module and the switching control key select an audio signal from the wireless audio receiver, and the wireless audio receiver receives a television audio signal sent by the wireless audio transmitter; (2) hearing aid mode: correspondingly, the audio input control module and the switching control key select the audio signal from the microphone; (3) hearing aid TV mode: and selecting a combined signal of the microphone audio signal and the wireless audio receiver audio signal by the corresponding audio input control module and the switching control key.

7. The smartphone hearing aid device of claim 1 wherein the 3 rd audio input is input to the smartphone via a headset interface of the smartphone as the smartphone microphone input, using a mono MIC input.

8. The smartphone hearing aid device according to claim 1, wherein the smartphone performs hearing aid processing on the audio input signal from the hearing aid headset, the hearing aid processing is performed by mobile phone hearing aid software installed on the smartphone, the mobile phone hearing aid software tests the hearing of the user by using an external hearing aid headset of the mobile phone to obtain an audiogram of the user, then performs audiological and acoustic processing such as noise reduction, hearing loss compensation, wide dynamic compression, and acoustic feedback suppression on the audio input from the external hearing aid headset according to the audiogram of the user, and then outputs the processed audio through the external hearing aid headset.

9. The smart phone hearing aid device of claim 1 wherein said hearing aid headset comprises a smart hearing aid pendant suspended in front of the chest and a speaker connected to said smart hearing aid pendant, said smart hearing aid pendant being connected to the phone; a microphone, a Bluetooth audio receiver, an audio amplifier and a lithium battery are arranged in the intelligent hearing aid pendant; be equipped with switching control button, bluetooth on the shell of intelligence hearing aid pendant and press from both sides code key and clothes, this clothes presss from both sides and is used for fixing intelligence hearing aid pendant on the clothes.

10. The smart phone hearing aid device of claim 9, wherein the toggle control button is located on a front side of the smart hearing aid pendant, the garment clip is located on a back side of the smart hearing aid pendant, and the bluetooth pairing button is located on a side of the smart hearing aid pendant; the front side of the shell of the intelligent hearing-aid pendant is also provided with an LED red light and an LED blue light; the side surface of the shell of the intelligent hearing aid pendant is also provided with a USB interface for connecting a power line for charging; the loudspeaker are connected into the loudspeaker interface of the intelligent hearing aid pendant through two wires, and the headset jack of the mobile phone with the diameter of 3.5mm is connected with the headset interface of the intelligent hearing aid pendant through another wire.

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