CN115767358A - Hearing protection method and system, TWS earphone and intelligent terminal device - Google Patents
Hearing protection method and system, TWS earphone and intelligent terminal device Download PDFInfo
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Abstract
The invention discloses a hearing protection method and a system for a TWS (two way communication) headset, the TWS headset and intelligent terminal equipment, wherein the method comprises the following steps: the method comprises the steps that intelligent terminal equipment collects hearing test data of a user and sends the hearing test data to a TWS earphone in a wireless mode; the TWS headset includes a hearing protection module, and the hearing protection module is used for processing hearing test data, and specifically includes: receiving hearing test data, storing the hearing test data in a local place, and generating hearing protection parameters according to the hearing test data; the TWS earphone picks up environmental sound data through a feedforward microphone; the TWS earphone receives the audio data; the hearing protection module of the TWS headset is further configured to: and processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to the loudspeaker. The invention compensates and amplifies the picked environmental sound and the audio data played by the earphone on the corresponding frequency by collecting the hearing data of the user, thereby realizing the effects of hearing protection and hearing aid.
Description
Technical Field
The invention relates to the technical field of audio processing, in particular to a hearing protection method and system for a TWS (two way speaker system) earphone, the TWS earphone and intelligent terminal equipment.
Background
Along with the development of the earphone market, the Bluetooth earphone is more and more favored by people due to the portability. However, many users suffer from hearing loss to varying degrees due to long-term use of earphones or lifestyle habits. Each person suffers from different hearing damages with different frequencies, and many people do not know the specific hearing damage of the person if the person is not tested by a professional instrument.
The existing earphone noise reduction usually adopts active noise reduction, the working principle is that external environment noise is collected through a microphone, then the external environment noise is converted into reverse sound wave to be superposed on a loudspeaker end, finally, sound heard by human ears is environment noise plus reverse environment noise, and the two kinds of noise are superposed to realize noise reduction on sense organs.
In the process of implementing the invention, the inventor finds that at least the following problems exist in the prior art:
active noise reduction merely reduces ambient noise, but for users who already have a hearing impaired condition, sounds at certain frequencies still cannot be heard, resulting in the need for the user to increase the overall volume, further exacerbating the hearing impaired condition. People with hearing impairment want to make calls or play music with a mobile phone conveniently, need to play the sound through a loudspeaker, need to be with the help of audiphones, in some public places or for the content of the conversation involve personal privacy or secret information bring a lot of invariants, need an earphone that can combine TWS earphone and hearing protection function. Hearing protection is of paramount importance since hearing is only protected and not restored.
Disclosure of Invention
In order to solve the problems in the prior art, embodiments of the present invention provide a hearing protection method and system for a TWS headset, the TWS headset, and a smart terminal device. The technical scheme is as follows:
in a first aspect, there is provided a hearing protection method for a TWS headset, the method comprising a hearing test mode and an operational mode:
the hearing test mode includes:
the method comprises the steps that intelligent terminal equipment collects hearing test data of a user and sends the hearing test data to a TWS earphone in a wireless mode;
the TWS headset includes a hearing protection module, the hearing protection module is configured to process the hearing test data, and the processing the hearing test data specifically includes: receiving the hearing test data, storing the hearing test data locally and generating hearing protection parameters according to the hearing test data;
the working modes comprise:
the TWS headset picks up ambient sound data through a feedforward microphone;
the TWS earphone receives audio data in a wireless mode;
the hearing protection module of the TWS headset is further configured to: and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker.
Further, the generating hearing protection parameters according to the hearing test data includes:
and the hearing protection module processes the hearing test data by using a preset algorithm, generates the hearing protection parameters and stores the hearing protection parameters locally.
Further, the TWS headset processes the environmental sound data and the audio data according to the hearing protection parameter, and sends the processed environmental sound data and the processed audio data to a speaker, including:
the TWS earphone is used for respectively amplifying and compensating the frequency of hearing damage of the user in the environment sound data and the audio data according to the hearing protection parameters, wherein the amplifying and compensating process specifically comprises WDRC, AGCI/AGCO, EQ adjusting, adaptive filtering, howling suppressing and adaptive echo eliminating processes;
and the TWS earphone sends the processed environmental sound data and the audio data to a loudspeaker for playing.
Further, the sending, by the intelligent terminal device, the hearing test data to the TWS headset in a wireless manner includes:
the intelligent terminal device is in wireless connection with the TWS earphone, and the wireless connection comprises one or more of Bluetooth and 2.4G.
Further, after the intelligent terminal device collects the hearing test data of the user, the hearing test mode further includes:
and the intelligent terminal equipment generates a hearing curve according to the hearing test data so that a user can check the hearing curve through the intelligent terminal equipment.
In a second aspect, a hearing protection system for a TWS earpiece is provided, the system comprising a smart terminal device and a TWS earpiece;
the intelligent terminal equipment is used for collecting hearing test data of a user and sending the hearing test data to the TWS earphone in a wireless mode;
the TWS earphone is used for receiving and storing the hearing test data, generating hearing protection parameters according to the hearing test data and a preset algorithm and storing the hearing protection parameters locally; picking up ambient sound data by a feedforward microphone; receiving audio data sent by the intelligent terminal equipment; and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker.
In a third aspect, a hearing protection module is provided for: receiving the hearing test data, storing the hearing test data locally and generating hearing protection parameters according to the hearing test data; respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker;
the hearing protection module is embedded into a TWS earphone and matched with intelligent terminal equipment, or the hearing protection module is embedded into the intelligent terminal equipment and matched with the TWS earphone;
when the hearing protection module is embedded into the intelligent terminal equipment, the hearing protection module is placed on the bottom layer of the operating system and provides a calling interface.
In a fourth aspect, a TWS headset is provided, which includes a hearing test mode and a working mode, where the hearing test mode and the working mode are switched by a key, a touch or an APP trigger instruction:
in the hearing test mode:
the TWS earphone is used for receiving and storing hearing test data sent by intelligent terminal equipment, generating hearing protection parameters according to the hearing test data and a preset algorithm and storing the hearing protection parameters locally;
in the operating mode:
the TWS earphone is used for processing the environment sound data and the audio data respectively according to the hearing protection parameters and sending the processed environment sound data and the processed audio data to a loudspeaker, wherein the environment sound data are picked up through a feedforward microphone, and the audio data are sent to the TWS earphone by the intelligent terminal device.
Furthermore, the TWS earphone comprises an audio DSP processing chip and a Bluetooth chip, or a processor chip integrating the audio DSP processing chip and the Bluetooth chip; the feedforward microphone is a feedforward microphone array; the TWS earphone has an ANC noise reduction function.
In a fifth aspect, an intelligent terminal device is provided, wherein test APP software is installed on the intelligent terminal device; the intelligent terminal and the TWS earphone are in wireless connection and enter a hearing test mode; the wireless connection comprises one or more of Bluetooth and 2.4G; acquiring hearing test data of a user through the intelligent terminal; and the intelligent terminal equipment generates a hearing curve according to the hearing test data, and a user checks the hearing curve through the intelligent terminal equipment.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: in the embodiment of the invention, the hearing protection method for the TWS earphone comprises a hearing test mode and a working mode: the hearing test mode includes: the method comprises the steps that intelligent terminal equipment collects hearing test data of a user and sends the hearing test data to a TWS earphone in a wireless mode; the TWS headset includes a hearing protection module, the hearing protection module is configured to process the hearing test data, and the processing the hearing test data specifically includes: receiving the hearing test data, storing the hearing test data locally and generating hearing protection parameters according to the hearing test data; the working modes comprise: the TWS headset picks up ambient sound data through a feedforward microphone; the TWS earphone receives audio data in a wireless mode; the hearing protection module of the TWS headset is further configured to: and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker. The invention compensates and amplifies the picked environmental sound and the audio data played by the earphone on the corresponding frequency by collecting the hearing data of the user, thereby realizing the effects of hearing protection and hearing aid, and meeting the requirements of daily communication and calling and listening to music.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a flow chart of a hearing protection method for a TWS headset according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a hearing protection system for a TWS headset according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of operations of a TWS headset and a smart terminal device according to an embodiment of the present invention.
Fig. 4 is a functional schematic diagram of a hearing protection module provided by an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
The embodiment of the invention provides a hearing protection method for a TWS earphone, which can be applied to a system consisting of intelligent terminal equipment and the TWS earphone. The intelligent terminal equipment comprises a mobile phone, a tablet computer, a notebook computer and the like, and can be used for controlling the TWS earphone to collect hearing test data, sending the hearing test data, sending audio data and the like in the following processes; the TWS headset may include a processor, a memory, and a transceiver, where the processor may be configured to perform processing such as generating hearing protection parameters, processing environmental sound data, and audio data in the following processes, the memory may store hearing test data of a user, a preset algorithm for processing the hearing test data, and the processed hearing protection parameters, and the transceiver may collect the hearing test data, the environmental sound, and the received audio data of the user. The application scenario of this embodiment may be: before a user uses the TWS earphone, the user firstly enters a hearing test mode, and hearing test data of the user are collected through intelligent terminal equipment and sent to the TWS earphone; the TWS earphone calculates the received hearing test data by using a locally stored preset algorithm to generate hearing protection parameters; and then the user switches to a working mode, the TWS earphone picks up the environmental sound data through the feedforward microphone, receives the audio data sent by the intelligent terminal equipment or other intelligent terminal equipment, processes the environmental sound data and the audio data according to the hearing protection parameters, and sends the processed environmental sound data and the processed audio data to the loudspeaker for playing.
The following describes a hearing protection procedure for the TWS headset shown in fig. 1 in detail with reference to the following embodiments, which may be as follows:
step 101: the intelligent terminal device collects hearing test data of a user and sends the hearing test data to the TWS earphone in a wireless mode.
In implementation, a user may install a corresponding test APP on the smart terminal device that controls the headset. When the user uses the TWS headset, the hearing test mode may be entered first on the smart terminal device through the corresponding test APP. Under the hearing test mode, the TWS earphone plays pure tone prompt tones of different frequencies, the user can carry out corresponding operation in the test APP according to the sound prompt heard, and finally, according to the operation feedback of the user, the intelligent terminal equipment acquires the hearing test data of the user. The intelligent terminal device and the TWS earphone can be in wireless connection in one or more modes such as Bluetooth and 2.4G. Therefore, after the intelligent terminal device collects the hearing test data of the user, the intelligent terminal device can be connected in a wireless mode and sends the hearing test data to the TWS earphone. It will be appreciated that the user may enter the hearing test mode by pressing a key, touching, or the like.
Optionally, in order to enable the user to visually see the hearing status of the user on the intelligent terminal device, the hearing data may be displayed to the user in a form of a chart, and the corresponding processing may be that the intelligent terminal device generates a hearing curve according to the hearing test data, so that the user views the hearing curve through the intelligent terminal device.
In implementation, after the intelligent terminal device collects the hearing test data of the user, a hearing curve can be generated according to the hearing test data. Therefore, the user can check the hearing curve through the corresponding APP on the intelligent terminal device, and accordingly can visually see the hearing damage condition of the user.
Step 102: the TWS headset includes a hearing protection module, the hearing protection module is used for processing hearing test data, and the processing of the hearing test data specifically includes: and receiving hearing test data, storing the hearing test data in a local place and generating hearing protection parameters according to the hearing test data.
In implementations, the TWS headset includes a hearing protection module for processing hearing test data. After receiving hearing test data sent by the intelligent terminal device, the hearing protection module of the TWS headset may store the hearing test data in the TWS headset locally, and generate hearing protection parameters according to the hearing test data.
The hearing protection module of the TWS headset may perform calculation processing on the hearing test data through a preset algorithm, and the corresponding processing may be as follows: and the hearing protection module processes the hearing test data by using a preset algorithm, generates the hearing protection parameters and stores the hearing protection parameters locally.
In implementation, a preset algorithm may be pre-stored in the hearing protection module of the TWS headset. After receiving the hearing test data sent by the intelligent terminal device, the hearing protection module of the TWS headset may use a locally stored preset algorithm to perform calculation processing on the hearing test data to obtain hearing protection parameters. The hearing protection module of the TWS headset may then store the resulting hearing protection parameters also locally.
Step 103: the TWS headset picks up ambient sound data through a feed-forward microphone.
In implementation, after the TWS headset obtains the hearing protection parameters, the user may switch the headset to an operational mode. In the operational mode, the TWS headset picks up ambient sound data through a feed-forward microphone or feed-forward microphone array.
Step 104: the TWS headset receives audio data.
In implementation, in an operating mode, the user may continue to be connected to the foregoing intelligent terminal device equipped with the APP corresponding to the control headset, or may also be connected to another new intelligent terminal device. And then after the user selects the audio to be played on the intelligent terminal equipment, the intelligent terminal equipment sends the audio data to the TWS earphone. The TWS earphone receives the audio data sent by the intelligent terminal device in the wireless connection mode.
Step 105: the TWS earphone respectively processes the environmental sound data and the audio data according to the hearing protection parameters, and sends the processed environmental sound data and the processed audio data to the loudspeaker.
In implementation, the TWS headset processes the ambient sound after picking up the ambient sound data according to hearing protection parameters previously stored locally; after receiving the audio data, processing the audio data according to the hearing protection parameters; and then sending the processed environmental sound data and the processed audio data to a loudspeaker, and playing the data to a user through the loudspeaker.
The method for the TWS earphone to process the environmental sound data and the audio data according to the hearing protection parameters specifically comprises the following steps: the TWS earphone is used for respectively amplifying and compensating the frequency of hearing damage of the user in the environment sound data and the audio data according to the hearing protection parameters, wherein the amplifying and compensating process specifically comprises WDRC, AGCI/AGCO, EQ adjusting, adaptive filtering, howling suppressing and adaptive echo eliminating processes; and the TWS earphone sends the processed environmental sound data and the audio data to a loudspeaker for playing.
In implementation, the TWS headset may perform WDRC (wide dynamic range compression), AGCI/AGCO, EQ adjustment, alert tone, adaptive filtering, howling suppression, adaptive echo cancellation, and the like on the environmental sound data and the audio data, respectively, according to the hearing protection parameters (as shown in fig. 4), so as to amplify and compensate the frequency at which the user has hearing impairment. And finally, sending the processed environmental sound data and the processed audio data to a loudspeaker for playing. Through the processing, the frequency of hearing damage of the user in the audio data can be adjusted, so that the user can clearly hear the complete audio without increasing the overall volume, and further damage to the hearing of the user is avoided.
Specifically, the WDRC is used for compressing in a wide dynamic range, smoothly adjusting each frequency of sound, and reasonably amplifying the sound to be within the hearing threshold of a user; the AGCI/AGCO is used for adjusting compression and release time parameters according to the size of input/output sound, and improving the effect of wearing comfort; the EQ adjustment is used for amplifying or reducing the gain of each frequency, and the adjustment range is from-40 dB to 0dB; the adaptive filtering is used for filtering the input sound; the howling suppression is used for suppressing howling noise and can be further divided into environmental noise, wind noise and impact noise; adaptive echo cancellation is used to estimate the echo path, cancel the echo, and improve the gain.
It should be noted that, in the above embodiment, the TWS headset stores the hearing test data locally, generates the hearing protection parameter according to the hearing test data, and respectively processes the environmental sound data and the audio data according to the hearing protection parameter, or may be completed by the intelligent terminal device, and then the intelligent terminal device sends the processed environmental sound data and the audio data to the TWS headset, and then the processed environmental sound data and the processed audio data are played by the speaker to the user.
The invention compensates and amplifies the picked environmental sound and the audio data played by the earphone on the corresponding frequency by collecting the hearing data of the user, thereby realizing the effects of hearing protection and hearing aid, and meeting the requirements of daily communication and calling and listening to music.
Based on the same inventive concept, the invention also provides a hearing protection system for a TWS headset, as shown in fig. 2, the system comprises a smart terminal device 201 and a TWS headset 202;
the intelligent terminal device 201 is configured to collect hearing test data of a user, and send the hearing test data to a TWS headset in a wireless manner;
the TWS headset 202 is configured to receive and store the hearing test data, generate hearing protection parameters according to the hearing test data and a preset algorithm, and store the hearing protection parameters locally; picking up ambient sound data by a feedforward microphone; receiving audio data sent by the intelligent terminal equipment; and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker.
Based on the same inventive concept, the invention also provides a hearing protection module for: receiving the hearing test data, storing the hearing test data locally and generating hearing protection parameters according to the hearing test data; and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker.
As shown in fig. 3, the hearing protection module is embedded in a TWS headset to match with a smart terminal device. The environmental sound data are picked up through a feedforward microphone, and the audio data are sent to the TWS headset by the intelligent terminal device. The TWS earphone can also comprise an audio DSP processing chip and a Bluetooth chip, or a processor chip which integrates the audio DSP processing chip and the Bluetooth chip into a whole.
Optionally, the hearing protection module is embedded in the intelligent terminal device, and is matched with the TWS headset.
Optionally, when the hearing protection module is embedded in the intelligent terminal device, the hearing protection module is placed on the bottom layer of the operating system and provides a calling interface.
Based on the same inventive concept, the invention also provides a TWS earphone, which comprises a hearing test mode and a working mode, wherein the hearing test mode and the working mode are switched by a key, a touch or an APP trigger instruction:
in the hearing test mode:
the TWS earphone is used for receiving and storing hearing test data sent by intelligent terminal equipment, generating hearing protection parameters according to the hearing test data and a preset algorithm and storing the hearing protection parameters locally;
in the operating mode:
the TWS earphone is used for processing the environment sound data and the audio data respectively according to the hearing protection parameters and sending the processed environment sound data and the processed audio data to a loudspeaker, wherein the environment sound data are picked up through a feedforward microphone, and the audio data are sent to the TWS earphone by the intelligent terminal device.
The TWS headset may further include an audio DSP processing chip and a bluetooth chip, and optionally, the audio DSP processing chip and the bluetooth chip are integrated into one processor chip.
Optionally, the feedforward microphone is a feedforward microphone array.
Optionally, the TWS headset has an ANC noise reduction function.
Based on the same inventive concept, the invention also provides an intelligent terminal device, wherein the intelligent terminal device is provided with a test APP, and the hearing test mode and the working mode are switched by a key, a touch or an APP trigger instruction:
the intelligent terminal and the TWS earphone are in wireless connection and enter a hearing test mode; the wireless connection comprises one or more of Bluetooth and 2.4G; acquiring hearing test data of a user through the intelligent terminal; the intelligent terminal equipment generates a hearing curve according to the hearing test data, and a user checks the hearing curve through the intelligent terminal equipment
Through the above description of the embodiments, those skilled in the art will clearly understand that each embodiment may be implemented by software plus a necessary general hardware platform, and may also be implemented by hardware. With this in mind, the above-described technical solutions may be embodied in the form of a software product, which can be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute the methods of the various embodiments or some parts of the embodiments.
The present invention is not limited to the above embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A hearing protection method for a TWS headset, the method comprising a hearing test mode and an operational mode:
the hearing test mode includes:
the method comprises the steps that intelligent terminal equipment collects hearing test data of a user and sends the hearing test data to a TWS earphone in a wireless mode;
the TWS headset includes a hearing protection module, the hearing protection module is configured to process the hearing test data, and the processing the hearing test data specifically includes: receiving the hearing test data, storing the hearing test data locally and generating hearing protection parameters according to the hearing test data;
the working modes comprise:
the TWS headset picks up ambient sound data through a feed-forward microphone;
the TWS earphone receives audio data in a wireless mode;
the hearing protection module of the TWS headset is further configured to: and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker.
2. The method of claim 1, wherein generating hearing protection parameters from the hearing test data comprises:
and the hearing protection module processes the hearing test data by using a preset algorithm, generates the hearing protection parameters and stores the hearing protection parameters locally.
3. The method of claim 1, wherein the TWS headset processes the ambient sound data and the audio data according to the hearing protection parameters, respectively, and sends the processed ambient sound data and audio data to a speaker, comprising:
the TWS earphone is used for respectively amplifying and compensating the frequency of hearing damage of the user in the environment sound data and the audio data according to the hearing protection parameters, wherein the amplifying and compensating process specifically comprises WDRC, AGCI/AGCO, EQ adjusting, adaptive filtering, howling suppressing and adaptive echo eliminating processes;
and the TWS earphone sends the processed environmental sound data and the audio data to a loudspeaker for playing.
4. The method of claim 1, wherein the smart terminal device wirelessly transmitting the hearing test data to a TWS headset comprises:
the intelligent terminal device is in wireless connection with the TWS earphone, and the wireless connection comprises one or more of Bluetooth and 2.4G.
5. The method of claim 1, wherein after the intelligent terminal device collects hearing test data of the user, the hearing test mode further comprises:
and the intelligent terminal equipment generates a hearing curve according to the hearing test data so that a user can check the hearing curve through the intelligent terminal equipment.
6. A hearing protection system for a TWS headset, the system comprising a smart terminal device and a TWS headset;
the intelligent terminal equipment is used for collecting hearing test data of a user and sending the hearing test data to the TWS earphone in a wireless mode;
the TWS earphone is used for receiving and storing the hearing test data, generating hearing protection parameters according to the hearing test data and a preset algorithm and storing the hearing protection parameters locally; picking up ambient sound data by a feedforward microphone; receiving audio data sent by the intelligent terminal equipment; and respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker.
7. A hearing protection module, wherein the hearing protection module is configured to: receiving the hearing test data, storing the hearing test data locally and generating hearing protection parameters according to the hearing test data; respectively processing the environmental sound data and the audio data according to the hearing protection parameters, and sending the processed environmental sound data and the processed audio data to a loudspeaker;
the hearing protection module is embedded into a TWS earphone and matched with intelligent terminal equipment, or the hearing protection module is embedded into the intelligent terminal equipment and matched with the TWS earphone;
when the hearing protection module is embedded into the intelligent terminal equipment, the hearing protection module is placed on the bottom layer of an operating system and provides a calling interface.
8. The TWS earphone is characterized by comprising a hearing test mode and a working mode, wherein the hearing test mode and the working mode are switched by a key, touch or APP trigger instruction:
in the hearing test mode:
the TWS earphone is used for receiving and storing hearing test data sent by intelligent terminal equipment, generating hearing protection parameters according to the hearing test data and a preset algorithm and storing the hearing protection parameters locally;
in the operating mode:
the TWS earphone is used for processing the environment sound data and the audio data respectively according to the hearing protection parameters and sending the processed environment sound data and the processed audio data to a loudspeaker, wherein the environment sound data are picked up through a feedforward microphone, and the audio data are sent to the TWS earphone by the intelligent terminal device.
9. The TWS headset of claim 8, wherein the TWS headset comprises an audio DSP processing chip and a Bluetooth chip, or a processor chip wherein the audio DSP processing chip and the Bluetooth chip are combined into one; the feedforward microphone is a feedforward microphone array; the TWS earphone has an ANC noise reduction function.
10. The intelligent terminal equipment is characterized in that test APP software is installed on the intelligent terminal equipment; the intelligent terminal and the TWS earphone are in wireless connection and enter a hearing test mode; the wireless connection comprises one or more of Bluetooth and 2.4G; acquiring hearing test data of a user through the intelligent terminal; and the intelligent terminal equipment generates a hearing curve according to the hearing test data, and a user checks the hearing curve through the intelligent terminal equipment.
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