CN104521247A - Bluetooth earphone hearing aid and anti-noise method and device - Google Patents

Abstract

The invention relates to a Bluetooth headset (100), which comprises a Bluetooth receiving module (1) for receiving an external Bluetooth signal, a microphone (2) for collecting external sound, a noise collecting module (3) for collecting external noise, a switch (4) for switching a Bluetooth mode or a hearing aid mode, a noise eliminating module (5) for eliminating audio noise and outputting noiseless audio, a storage module (6) for storing preset hearing spectrum data, a multi-frequency amplifier (7) for amplifying the noiseless audio according to the hearing spectrum data, and a headset loudspeaker (8) for playing the audio. The added multi-frequency amplifier enables the low-cost Bluetooth headset to have the hearing-aid function; the noise elimination module that increases can reduce external noise to user's interference, makes bluetooth headset have anti-noise function concurrently.

Description

Bluetooth earphone hearing aid and anti-noise method and device technical field

The invention relates to the field of audio equipment, in particular to a bluetooth earphone with hearing aid and noise reduction functions and an audio device using the bluetooth earphone.

Background technique

Many hearing-impaired people need to use hearing aids in their daily lives. Most of today's hearing aids can set the hearing spectrum data according to the user's hearing loss, that is, set appropriate amplification factors for audio signals of different frequencies. When in use, the hearing aid determines the amplification factor of the currently received audio signal according to the frequency of the currently received audio signal and the preset hearing spectrum data corresponding to the frequency of the audio signal, and then amplifies the currently received audio signal according to the determined amplification factor. The audio signal is amplified so that the user can hear the sound clearly without feeling too loud.

However, most of the hearing aids with the above-mentioned hearing spectrum data setting function have complex structures, high prices, and single functions, which are troublesome to use and carry. In addition, when the existing hearing aid amplifies the audio signal that the user wants to hear, it often amplifies the noise mixed in it and the noise signal from the outside together, causing auditory interference to the user.

Contents of the invention

The technical problem to be solved by the present invention is to provide a Bluetooth earphone with hearing aid and noise reduction functions in view of the above-mentioned many defects of existing hearing aids.

The technical solution adopted by the present invention to solve its technical problems is:

supply A bluetooth earphone (100), including a bluetooth transceiver module (1) and a speaker (8), characterized in that: the bluetooth earphone (100) also includes a multi-frequency amplifier (7) and a preset audio signal stored therein A storage module (6) for hearing spectrum data corresponding to multiple frequencies, the Bluetooth transceiver module (1), the storage module ( 6 ) and the loudspeaker (8) are electrically connected to the multi-frequency amplifier (7); the Bluetooth transceiver module (1) receives audio signals through Bluetooth communication, and transmits the received audio signals to the multi-frequency amplifier (7). frequency amplifier (7); the multi-frequency amplifier (7) converts the received audio frequency according to the frequency of the received audio signal and the hearing spectrum data stored in the storage module (6) corresponding to the frequency of the received audio signal The signal is amplified by a corresponding multiple, and the amplified audio signal is transmitted to the speaker (8) for broadcasting.

Preferably, the Bluetooth headset (100) also includes a Between the module (1) and the multi-frequency amplifier (7), it is used to eliminate the Bluetooth transceiver A noise elimination module (5) for eliminating noise in the audio signal output by the module (1), and a noise collection module (3) electrically connected to the noise elimination module (5) for collecting external noise.

Preferably, the Bluetooth headset (100) further includes a microphone (2) electrically connected to the multi-frequency amplifier (7) for providing external audio signals to the multi-frequency amplifier (7); the Bluetooth headset (100) also includes a switch (4), the multi-frequency amplifier (7) can be selectively connected with the Bluetooth The transceiver module (1) or the microphone (2) is electrically connected; the noise canceling module (5) is electrically connected between the switching switch (4) and the multi-frequency amplifier (7).

Preferably, the Bluetooth headset (100) further includes an interface (9) electrically connected to the storage module (6) for storing the hearing spectrum data into the storage module (6).

Preferably, the Bluetooth transceiver module (1) is electrically connected to the storage module (6), and is used to receive the hearing spectrum data through Bluetooth communication, and store the hearing spectrum data into the storage module (6) ).

Preferably, the hearing spectrum data is a user-preset amplification factor corresponding to audio signals with different frequencies.

Preferably, the hearing spectrum data is preset by the user and corresponds to frequencies of 300 Hz, 600 Hz, 1200 Hz, 2400 Hz, 4800 Hz audio signal amplification factor.

The present invention also provides an audio device (300), the audio device (300) Including the above-mentioned bluetooth earphone (100) and an additional bluetooth module (110) establishing communication with the bluetooth earphone (100), the additional bluetooth module (110) is used for electronic equipment (400 , 500) to obtain an audio signal, and transmit the audio signal to the Bluetooth headset (100).

Preferably, the method of using the Bluetooth headset (100) of the present invention to realize hearing aid and anti-noise functions includes the following steps:

S1: set the hearing spectrum data and save it in the storage module (6);

S2A: use the Bluetooth transceiver module (1) to receive audio signals via Bluetooth communication, and transmit the received audio signals to The noise elimination module (5) transmits the received audio signal to the multi-frequency amplifier (7) after noise elimination processing;

S3 : using the multi-frequency amplifier (7) to amplify the received audio signal according to the frequency of the received audio signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored in the storage module (6) times, and transmit the amplified audio signal to the speaker (8) for broadcasting.

Preferably, another method of using the Bluetooth headset (100) of the present invention to realize hearing aid and anti-noise functions includes the following steps:

S1: set the hearing spectrum data and save it in the storage module (6);

S2B: use the microphone (2) to receive external audio signals, and transmit the received audio signals to The noise elimination module (5) transmits the received audio signal to the multi-frequency amplifier (7) after noise removal processing;

S3 : using the multi-frequency amplifier (7) to amplify the received audio signal according to the frequency of the received audio signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored in the storage module (6) multiples, and the amplified audio signal transmitted to the speaker (8) for broadcasting.

Preferably, another method of using the audio device (300) of the present invention to realize hearing aid and anti-noise functions includes the following steps:

S1: set the hearing spectrum data and save it in the storage module (6);

S2C: using the additional bluetooth module (110) from an electronic device (400, 500) Obtain an audio signal, and transmit the audio signal to the Bluetooth headset (100); use the Bluetooth transceiver module (1) to receive the audio signal in Bluetooth communication, and transmit the received audio signal to the noise elimination module (5), and transmit the received audio signal to the multi-frequency amplifier (7) after noise removal processing;

S3: using the multi-frequency amplifier (7) according to the connected The frequency of the received audio signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored by the storage module (6) amplifies the received audio signal by a corresponding multiple, and transmits the amplified audio signal to The loudspeaker (8) broadcasts.

Preferably, the step S1 includes:

Using IEDs (200) , playing audio signals with different frequencies in order of frequency from low to high as the hearing test signal, the user listens to the hearing test signal through the Bluetooth headset (100), when the smart electronic device (200) Each time an audio signal with a specific frequency is played, the user adjusts the volume of the intelligent electronic device (200) until it sounds clearest and most comfortable;

will the intelligent electronic device (200) The current amplification factor when playing the audio signal with the clearest and most comfortable specific frequency is stored as hearing spectrum data corresponding to the audio signal with the specific frequency. via Bluetooth communication or interface (9), the intelligent electronic device (200) transmits the hearing spectrum data to the bluetooth earphone (100) and saves it in the storage module (6).

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments of the present invention. Those of ordinary skill in the art can also obtain other drawings based on these drawings without creative labor. In the drawings:

Fig. 1 is a block diagram of functional modules of a Bluetooth headset provided by a preferred embodiment of the present invention.

Figure 2 is a working principle diagram of the Bluetooth headset shown in Figure 1 when setting hearing spectrum data.

Figure 3 is a working principle diagram of the Bluetooth headset shown in Figure 1 when used as a headset.

Fig. 4 is a working principle diagram of the first embodiment in which the Bluetooth headset shown in Fig. 1 is used as a hearing aid.

Fig. 5 is a working principle diagram of the second embodiment in which the Bluetooth headset shown in Fig. 1 is used as a hearing aid.

Fig. 6 is a working principle diagram of an audio device provided by a preferred embodiment of the present invention used in an entertainment device.

Fig. 7 is a working principle diagram of the audio device provided by the preferred embodiment of the present invention used in a fixed telephone.

Detailed ways

In order to make the purpose, technical solutions and advantages of the present invention clearer, the various embodiments to be described below will refer to the corresponding drawings, and these drawings constitute a part of the embodiments, which describe various possible implementations of the present invention. kind of embodiment. It is to be understood that other embodiments may be utilized or structural and functional modifications may be made to the embodiments set forth herein without departing from the scope and spirit of the present invention.

As shown in FIG. 1 , a preferred embodiment of the present invention provides a Bluetooth headset 100 . The bluetooth headset 100 According to the traditional method of use, from Bluetooth-enabled electronic devices (such as mobile phones, PCs, laptops, tablets, multimedia players, etc.) Receive the Bluetooth signal and convert the Bluetooth signal into an audio signal for playback. Users can pre-set the most suitable magnification through the software. In addition, the Bluetooth headset 100 It can also be used as a hearing aid for the hearing-impaired to amplify external sounds such as speech by an appropriate multiple.

Specifically, the Bluetooth headset 100 includes a Bluetooth transceiver module 1, a microphone 2, a noise collection module 3, a switch 4 , a noise elimination module 5 , a storage module 6 , a multi-frequency amplifier 7 , a loudspeaker 8 and an interface 9 . Among them, Bluetooth transceiver module 1 It can be an existing bluetooth signal transceiver, such as a bluetooth antenna module, for sending and receiving bluetooth signals. Switch 4 can be a single-pole double-throw switch, Bluetooth transceiver module 1 and microphone 2 are connected through switch 4 Connected to the noise cancellation module 5, the Bluetooth transceiver module 1 or the microphone 2 can be selectively electrically connected to the noise cancellation module 5 by operating the switch 4, so that the Bluetooth headset 100 Works in headphone mode and hearing aid mode.

The noise elimination module 5 may include a noise reduction processor (not shown) and a noise elimination circuit (not shown), for or the audio signal received by microphone 2 for noise reduction processing. When the noise canceling module 5 is switched from the Bluetooth transceiver module 1 or the microphone 2 by switching the switch 4 When receiving an audio signal, the noise reduction processor can identify the noise signal mixed in the received audio signal (such as the noise signal caused by the unstable voltage or current), and generate a noise reduction signal that is opposite to the phase of the noise signal The signal is superimposed on the received audio signal through the noise elimination circuit to remove the mixed noise signal. Noise Collection Module 3 can be another microphone or other sound signal collecting device, which is electrically connected to the noise elimination module 5, and is used to collect external noise signals and transmit the external noise signals to the noise elimination module 5. Noise Cancellation Module 5. It is also possible to superimpose a noise-removing signal opposite in phase to the external noise signal on the received audio signal, so as to eliminate the interference of the external noise signal on the received audio signal. Thus, the noise cancellation module 5 The interference of internal noise (that is, the noise mixed with the received audio signal itself) and external noise (that is, noise from the outside world) on the received audio signal can be eliminated at the same time.

After the above-mentioned noise removal processing, the noise elimination module 5 can transmit the audio signal that has eliminated internal noise and external noise interference to the multi-frequency amplifier 7 , is amplified by a certain multiple by the multi-frequency amplifier 7, and then transmitted to the speaker 8 for playback.

The storage module 6 can be an existing data storage device, and is electrically connected to the multi-frequency amplifier 7, wherein stored information for determining the multi-frequency amplifier 7 Hearing spectrum data of a specific factor for amplifying the audio signal transmitted from the noise canceling module 5 . The so-called hearing spectrum data refers to preset amplification factors respectively corresponding to audio signals with different frequencies.

Please refer to Figure 2, the user of the Bluetooth headset 100 can pre-set the most suitable hearing spectrum data for himself and store it in the storage module 6 middle. When setting the hearing spectrum data, the user can control the smart electronic device 200 through the existing hearing test software installed in the smart electronic device 200 (such as a personal computer, a notebook computer, a tablet computer, a smart phone, etc.) The 200 sequentially plays audio signals with different frequencies as hearing test signals. In this embodiment, the user uses the intelligent electronic device 200 to play out the frequencies of 300 Hz, 300 Hz, and 600Hz, 1200Hz, 2400Hz, 4800Hz Of course, in other embodiments, these frequency values can also be changed according to specific requirements. When the intelligent electronic device 200 Every time an audio signal with a specific frequency is played, the user controls the smart electronic device 200 to adjust the volume through the hearing test software, and the smart electronic device 200 The amplification factor when playing an audio signal with that specific frequency is continuously adjusted until it sounds the clearest and most comfortable to you. At this point, the user can use the hearing test software to test the smart electronic device 200 The amplification factor when the audio signal with the specific frequency is currently played is stored as hearing spectrum data corresponding to the audio signal with the specific frequency. In this way, the user can set the hearing spectrum data respectively corresponding to the audio signals of multiple frequencies by himself. In this embodiment, the hearing spectrum data set by the user is respectively corresponding to the above-mentioned frequencies of Hearing spectrum data for audio signals at 300 Hz, 600 Hz, 1200 Hz, 2400 Hz, 4800 Hz.

In this embodiment, the Bluetooth headset 100 also includes an interface 9 electrically connected to the storage module 6, the interface 9 It can be an existing data interface such as a USB interface for data transmission. After the user has set the hearing spectrum data according to the above method, the user can use the existing wired transmission method (such as USB transmission mode), connect the above-mentioned smart electronic device 200 that stores the hearing spectrum data to the interface 9, and through the smart electronic device 200 Input operation instructions on the operation interface of the computer, and save the hearing spectrum data into the storage module 6. In addition, the Bluetooth transceiver module 1 in this embodiment is also connected with the storage module 6 Therefore, the hearing spectrum data can also be sent from the smart electronic device 200 to the Bluetooth transceiver module 1 through the existing Bluetooth communication method, and then transmitted from the Bluetooth transceiver module 1 to the storage module 6 to save. Regardless of which of the above storage methods is used, as long as the hearing spectrum data is stored in the storage module 6, when the multi-frequency amplifier 7 receives the audio signal from the noise elimination module 5, it can The hearing spectrum data corresponding to the frequency of the received audio signal stored in the computer, the received audio signal is amplified by a certain factor, and then broadcast through the speaker 8, so that the user Hear the sound with its own preset amplification factor. This enables clear and comfortable listening even for hearing-impaired users.

Please refer to Figure 3, when the bluetooth headset 100 is used as a headset, the user first stores the memory module 6 according to the above method Store the hearing spectrum data suitable for you, and then operate the switch 4 to establish an electrical connection between the Bluetooth transceiver module 1 and the noise canceling module 5 . Bluetooth transceiver module 1 and a Bluetooth-capable An electronic device 210 (such as a mobile phone, a personal computer, a laptop, a tablet computer, a multimedia player, etc.) establishes Bluetooth communication, when the electronic device 210 When playing an audio file, the played audio signal can be transmitted to the Bluetooth transceiver module 1 through Bluetooth communication. Bluetooth Transceiver Module 1 transmits audio signal to Noise Cancellation Module 5 via toggle switch 4 , the noise removal module 5 performs noise removal processing on the audio signal according to the above method, and eliminates the interference of internal noise and external noise on the audio signal. The noise-removed audio signal is transmitted to the multi-frequency amplifier 7, and the multi-frequency amplifier 7 According to the hearing spectrum data corresponding to the frequency of the received audio signal stored in the storage module 6, the received audio signal is amplified by a certain factor, and then broadcast through the speaker 8, so that the user Hear the sound with its own preset amplification factor. In this way, the user can listen to the audio file played by the electronic device 210 through the Bluetooth headset 100 at a preset magnification.

Please refer to Fig. 4, the bluetooth earphone 100 is used as the first embodiment of the hearing aid, and the microphone 2 of the bluetooth earphone 100 is used Collect the external sound signal that the user wants to listen to. The user first stores the hearing spectrum data suitable for himself in the storage module 6 according to the above method, and then operates the switching switch 4 to switch between the microphone 2 and the noise canceling module 5. establish an electrical connection between them. In this way, the microphone 2 can collect the external sound signal that the user wants to listen to (such as the voice of the other party when talking with others), convert the collected sound signal into an audio signal, and pass through the switch 4 transmit the audio signal to the noise canceling module 5 , the noise canceling module 5 According to the above method, the audio signal is denoised to eliminate the interference of internal noise and external noise on the audio signal. The noise-removed audio signal is transmitted to the multi-frequency amplifier 7, and the multi-frequency amplifier 7 The hearing spectrum data corresponding to the frequency of the received audio signal stored in the computer, the received audio signal is amplified by a certain factor, and then broadcast through the speaker 8, so that the user Hear the sound with its own preset amplification factor. In this way, the user can use the Bluetooth headset 100 to amplify the external sound signal he wants to listen to by a preset multiple, so as to obtain an ideal listening effect.

Please refer to Fig. 5, the Bluetooth headset 100 is used as the second embodiment of the hearing aid, and the external mobile phone 220 is used The microphone of the microphone collects the external sound signal that the user wants to listen to. First, the user stores the hearing spectrum data suitable for himself in the storage module 6 according to the above method, and then operates the switching switch 4, and then the Bluetooth transceiver module 1 Establish an electrical connection with the noise canceling module 5. Next, the user puts a mobile phone 220 with Bluetooth function next to the external sound signal that the user wants to listen to, and uses the application software to place the mobile phone 220 The operating mode is adjusted to use the microphone of the mobile phone 220 to collect external sound signals, and transmit the collected external sound signals to the Bluetooth transceiver module 1 of the Bluetooth headset 100 through Bluetooth communication. Bluetooth transceiver module 1 Transmits the audio signal to the noise canceling module 5 via the toggle switch 4 , the noise canceling module 5 According to the above method, the audio signal is denoised to eliminate the interference of internal noise and external noise on the audio signal. The noise-removed audio signal is transmitted to the multi-frequency amplifier 7, and the multi-frequency amplifier 7 The hearing spectrum data corresponding to the frequency of the received audio signal stored in the computer, the received audio signal is amplified by a certain factor, and then broadcast through the speaker 8, so that the user Hear the sound with its own preset amplification factor. In this way, the user can use the Bluetooth headset 100 to amplify the external sound signal he wants to listen to by a preset multiple, so as to obtain an ideal listening effect.

Bluetooth earphone 100 provided by the present invention Integrating the functions of the hearing aid helps to simplify the hardware structure of the hearing aid, reduce the total production cost, and increase the fun of use. In addition, the Bluetooth headset 100 It also has a noise reduction function, whether it is used as a headset or a hearing aid, it can achieve better audio playback than existing headphones and hearing aids.

Please refer to FIG. 6 and FIG. 7, the present invention also provides an audio device 300. The audio device 300 includes the aforementioned bluetooth headset 100 and an additional bluetooth module 110 that establishes a bluetooth communication connection with the bluetooth headset 100. The additional Bluetooth module 110 It can be various existing Bluetooth communication modules, and can use various existing Bluetooth communication means to perform short-range wireless communication with the Bluetooth transceiver module 1 in the Bluetooth headset 100. The add-on bluetooth module (110) is used from no An electronic device (400, 500) with a built-in Bluetooth function acquires an audio signal, and transmits the audio signal to the Bluetooth headset (100).

FIG. 6 is a working principle diagram of the audio device 300 used in an entertainment device 400. The entertainment device 400 may be a television, DVD players, audio amplifiers and other electronic devices that can play audio signals but do not have a built-in Bluetooth module. The additional bluetooth module 110 and the entertainment device 400 Establish an electrical connection according to a known method (such as through an existing audio interface), obtain audio signals played by the entertainment device 400, and transmit these audio signals to the Bluetooth transceiver module 1 through Bluetooth communication . At this point, the Bluetooth headset 100 can be used according to the above method, so that the Bluetooth headset 100 can be used as an audio playback device of the entertainment device 400.

FIG. 7 is a working principle diagram of the audio device 300 used in a fixed telephone 500. The additional bluetooth module 110 is connected with the landline 500 establishes an electrical connection according to a known method (such as through an existing audio interface), obtains audio signals transmitted by the fixed phone 500, and transmits such audio signals to the Bluetooth transceiver module through Bluetooth communication 1 . At this point, the Bluetooth headset 100 can be used according to the above method. In addition, the microphone 2 can also be used to input the user's voice and transmit the user's voice to the landline 500 in the existing manner , sent out through the fixed telephone network. In this way, the bluetooth headset 100 can be used as the wireless handset and microphone of the landline phone 500 .

It can be seen from the above that the above-mentioned audio device 300 can be used in conjunction with various existing electronic equipment and communication equipment. During use, the audio device 300 The bluetooth headset 100 in the 300 can perform the functions of hearing aid, noise reduction and hearing protection according to the above method, thereby further expanding the use of the bluetooth headset 100.

The above descriptions are only preferred embodiments of the present invention. Those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, the features and examples may be modified to adapt a particular situation and material to the teachings of the invention without departing from the spirit and scope of the invention. Therefore, the present invention is not limited by the specific embodiments disclosed here, and all embodiments falling within the scope of the claims of the present application belong to the protection scope of the present invention.

Claims (12)

A bluetooth earphone (100), including a bluetooth transceiver module (1) and a speaker (8), characterized in that: the bluetooth earphone (100) also includes a multi-frequency amplifier (7) and a preset audio signal stored therein A storage module (6) for hearing spectrum data corresponding to multiple frequencies, the Bluetooth transceiver module (1), the storage module (6) and the speaker (8) are all electrically connected to the multi-frequency amplifier (7) sexual connection; the Bluetooth transceiver module (1) receives audio signals via Bluetooth communication, and transmits the received audio signals to the multi-frequency amplifier (7); the multi-frequency amplifier (7) The frequency of the signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored by the storage module (6) amplifies the received audio signal by a corresponding multiple, and transmits the amplified audio signal to the speaker ( 8) Broadcast. The bluetooth headset (100) according to claim 1, characterized in that: the bluetooth headset (100) also includes a Between the module (1) and the multi-frequency amplifier (7), it is used to eliminate the Bluetooth transceiver A noise elimination module (5) for eliminating noise in the audio signal output by the module (1), and a noise collection module (3) electrically connected to the noise elimination module (5) for collecting external noise. as claim 2 The bluetooth earphone (100) is characterized in that: the bluetooth earphone (100) also includes an electrical connection with the multi-frequency amplifier (7) for providing external audio signals to the multi-frequency amplifier (7) microphone (2); the Bluetooth headset (100) also includes a switch (4), and the multi-frequency amplifier (7) can be selectively connected with the Bluetooth The transceiver module (1) or the microphone (2) is electrically connected; the noise canceling module (5) is electrically connected between the switching switch (4) and the multi-frequency amplifier (7). as claim 1 The bluetooth earphone (100) is characterized in that: the bluetooth earphone (100) further includes an electrical connection with the storage module (6) for storing the hearing in the storage module (6). Interface to spectral data (9). as claim 1 The bluetooth headset (100) is characterized in that: the bluetooth transceiver module (1) is electrically connected to the storage module (6), and is used to receive the hearing spectrum data through bluetooth communication and store the hearing spectrum data The spectrum data is stored in the storage module (6). as claim 1 The bluetooth earphone (100) is characterized in that: the hearing spectrum data are user-preset magnification factors respectively corresponding to audio signals with different frequencies. The bluetooth earphone (100) according to claim 6, characterized in that: the hearing spectrum data is preset by the user and corresponds to frequencies of 300 Hz, 300 Hz, Amplification factor for audio signals of 600 Hz, 1200 Hz, 2400 Hz, 4800 Hz. An audio device (300), characterized in that: the audio device (300) comprises the following claims 1-7 The bluetooth earphone (100) described in any one of the bluetooth earphones (100) and the additional bluetooth module (110) that establishes communication with the bluetooth earphone (100), the additional bluetooth module (110) is used for The device (400, 500) acquires an audio signal and transmits the audio signal to the Bluetooth headset (100). A bluetooth earphone (100) as claimed in claims 1-7 The method for realizing hearing aid and anti-noise function is characterized in that: comprising the following steps: S1: set the hearing spectrum data and save it in the storage module (6); S2A: using the Bluetooth transceiver module (1) to receive audio signals via Bluetooth communication, and transmit the received audio signals to the noise elimination module (5), After noise removal processing, the received audio signal is transmitted to the multi-frequency amplifier (7); S3 : using the multi-frequency amplifier (7) to amplify the received audio signal according to the frequency of the received audio signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored in the storage module (6) times, and transmit the amplified audio signal to the speaker (8) for broadcasting. A bluetooth earphone (100) as claimed in claims 1-7 The method for realizing hearing aid and anti-noise function is characterized in that: comprising the following steps: S1: set the hearing spectrum data and save it in the storage module (6); S2B: use the microphone (2) to receive external audio signals, and transmit the received audio signals to The noise elimination module (5) transmits the received audio signal to the multi-frequency amplifier (7) after noise removal processing; S3 : using the multi-frequency amplifier (7) to amplify the received audio signal according to the frequency of the received audio signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored in the storage module (6) times, and transmit the amplified audio signal to the speaker (8) for broadcasting. An electronic device without a built-in Bluetooth function connected to an audio device (300) as claimed in claim 8 , realize the method for hearing aid and anti-noise function, it is characterized in that: comprise the following steps: S1: set the hearing spectrum data and save it in the storage module (6); S2C: using the additional bluetooth module (110) from an electronic device (400, 500) to obtain an audio signal, and transmit the audio signal to the Bluetooth headset (100) ;Use the Bluetooth transceiver module (1) to receive audio signals via Bluetooth communication, and transmit the received audio signals to the noise elimination module (5), and transmit the received audio signals to the The multi-frequency amplifier (7); S3 : using the multi-frequency amplifier (7) to amplify the received audio signal according to the frequency of the received audio signal and the hearing spectrum data corresponding to the frequency of the received audio signal stored in the storage module (6) times, and transmit the amplified audio signal to the speaker (8) for broadcasting. The method for realizing hearing aid and anti-noise functions by using an audio device according to claim 9 or 10 or 11, characterized in that the step S1 include: Using IEDs (200) , playing audio signals with different frequencies in order of frequency from low to high as the hearing test signal, the user listens to the hearing test signal through the Bluetooth headset (100), when the smart electronic device (200) Each time an audio signal with a specific frequency is played, the user adjusts the volume of the intelligent electronic device (200) until it sounds clearest and most comfortable; will the intelligent electronic device (200) The current amplification factor when playing the audio signal with the clearest and most comfortable specific frequency is stored as hearing spectrum data corresponding to the audio signal with the specific frequency. via Bluetooth communication or interface (9), the intelligent electronic device (200) transmits the hearing spectrum data to the bluetooth earphone (100) and saves it in the storage module (6).