CN221509773U

CN221509773U - Hearing aid earphone

Info

Publication number: CN221509773U
Application number: CN202323169552.9U
Authority: CN
Inventors: 高艳莲
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-08-09
Anticipated expiration: 2033-11-23

Abstract

The utility model discloses a hearing aid earphone, which comprises a control module, a first control module and a second control module, wherein the control module can be communicated with external equipment to send audio signals to the external equipment or receive audio signals of the external equipment; the loudspeaker module is electrically connected with the control module; the hearing aid module is respectively and electrically connected with the control module and the loudspeaker module, and can detect the environmental audio and optimize the detected environmental audio or the audio signal received by the control module, and the optimized audio is played through the loudspeaker module.

Description

Hearing aid earphone

Technical Field

The utility model relates to the technical field of earphones, in particular to a hearing aid earphone.

Background

The earphone is widely applied to the fields of conversation, music playing and the like, the existing earphone generally comprises a conversation mode and a music playing mode, audio signals are converted into sound through a control module on the earphone and then are transmitted to the ears of a user through a loudspeaker, and voice of the user is converted into audio signals through a microphone and then is emitted, so that conversation and music listening are achieved. However, most of the existing earphones have no hearing aid function, and when the earphone is plugged into the ear of a user, the perception of external environment sound by the user is affected; although the earphone with the hearing aid function can help the user to perceive the external environment sound, when the conversation is finished or the music playing is finished, the user is often required to switch to the hearing aid mode through manual operation on the mobile phone or the earphone, which may cause inconvenience and safety problems, especially when the hearing aid function needs to be quickly switched to perceive the surrounding environment, if the manual operation is not timely, the safety problems are brought.

Disclosure of utility model

The utility model aims to at least solve one of the technical problems in the prior art and provides a hearing aid earphone capable of automatically switching hearing aid modes.

The hearing aid earphone comprises a control module, a first control module and a second control module, wherein the control module can be communicated with external equipment to send audio signals to the external equipment or receive audio signals of the external equipment; the loudspeaker module is electrically connected with the control module; the hearing aid module is respectively and electrically connected with the control module and the loudspeaker module, can detect environmental audio and can optimize the detected environmental audio or audio signals received by the control module, and the optimized audio is played through the loudspeaker module; when the control module receives/sounds the audio signal, the control module simultaneously controls the hearing aid module to stop detecting the environmental audio; when the control module does not receive/emit audio signals, the control module controls the hearing aid module to detect environmental audio, and the hearing aid module optimizes the detected environmental audio or audio signals received by the control module and broadcasts the optimized audio through the loudspeaker module.

According to some embodiments of the present utility model, the hearing aid module includes an environmental audio detection module and an audio optimization module electrically connected to the control module, the environmental audio detection module is electrically connected to the audio optimization module, the audio optimization module is electrically connected to the speaker module, when a call/audio event occurs between the control module and an external device, the control module controls the environmental audio detection module to be turned off, and the audio optimization module optimizes an audio signal received by the control module and plays the optimized audio through the speaker module; when no call/audio event exists between the control module and the external equipment, the control module controls the environmental audio detection module to be started, and the audio optimization module optimizes the environmental audio detected by the environmental audio detection module and plays the optimized audio through the loudspeaker module.

According to some embodiments of the utility model, the environmental audio detection module comprises a microphone unit, an accelerometer or a gyroscope.

According to some embodiments of the utility model, the earphone comprises an earphone body, the microphone unit comprises a first microphone and a second microphone which are respectively and electrically connected with the control module, the first microphone is arranged on the outer side of the earphone body, the second microphone is arranged on the inner side of the earphone body, and the control module can control the on-off states of the first microphone and the second microphone.

According to some embodiments of the utility model, the audio optimizing module comprises a gain unit, a noise reduction unit and a DAC unit, wherein the input end of the gain unit is respectively and electrically connected with the environmental audio detecting module and the control module, the output end of the gain unit is electrically connected with one end of the noise reduction unit, the other end of the noise reduction unit is electrically connected with the DAC unit, and the output end of the DAC unit is electrically connected with the speaker module.

According to some embodiments of the utility model, the hearing aid module comprises a bone conduction vibration unit capable of contacting a human body, the bone conduction vibration unit being electrically connected with the environmental audio detection module and/or the control module, respectively, so as to conduct the environmental audio detected by the environmental audio detection module and/or the audio signal received by the control module through the skull bone in a vibrating manner.

According to some embodiments of the utility model, the control module and the audio optimization module are integrated on one master IC.

According to some embodiments of the utility model, the speaker module includes a power amplification unit and a speaker electrically connected to the power amplification unit, the power amplification unit being electrically connected to the control module.

The hearing aid earphone provided by the embodiment of the utility model has at least the following beneficial effects: the hearing aid earphone is communicated with external equipment (such as a mobile phone), and when a user is talking or listening to music, the control module controls the hearing aid module to stop detecting the environmental audio, so that the influence of the external environment on talking or listening to music is avoided; when the conversation or music playing is finished, the control module controls the hearing aid module to detect the environmental audio, and optimizes the detected environmental audio so as to be convenient for a user to hear and achieve good hearing aid effect; the whole course is the working state of the full-automatic switching hearing aid module, so that manual operation is not needed, the use is convenient, and the safety and the reliability are improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The following describes the embodiments of the present utility model further with reference to the drawings;

Fig. 1 is a circuit block diagram of a hearing aid earphone;

FIG. 2 is a block diagram of one embodiment of a hearing aid headset;

FIG. 3 is a functional block diagram of a hearing aid headset communicating with an external device via Bluetooth;

Fig. 4 is a schematic block circuit diagram of a hearing aid module of a hearing aid headset.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Referring to fig. 1 to 4, a hearing aid earphone according to the present utility model includes a control module, a speaker module, and a hearing aid module 10, wherein the control module may be an existing control chip including a bluetooth module and an audio transceiver module, and may communicate with an external device (such as a mobile phone) through the bluetooth module, and then send an audio signal to the external device or receive an audio signal from the external device through the audio transceiver module. In the existing control chip, the basic protocol of the music scene is A2DP (Advanced Audio Distribution Profile), the operations of starting, stopping, pausing, volume control and the like of music playing are based on AVRCP (Audio/Video Remote Control Profile, audio remote control specification), the action of starting music always exists when the music is played, and the entry of the music scene is started by a2dp_callback; the session context base protocol is HFP, and the same holds true that the entire session event is also HFP standard event. Therefore, at the earphone end, the control module can effectively judge whether the call audio or the music audio exists by processing the events of the A2DP and the HFP. The speaker module is electrically connected to the control module, and the speaker module generally includes a power amplifying unit 21 and a speaker 20, and since the earphone is composed of left and right parts, the speaker 20 generally includes a left speaker 20 and a right speaker 20. The hearing aid module 10 is respectively and electrically connected with the control module and the loudspeaker module, the hearing aid module 10 comprises an environment audio detection module 12 and an audio optimization module 11 which are respectively and electrically connected with the control module, the environment audio detection module 12 is electrically connected with the audio optimization module 11, the audio optimization module 11 is electrically connected with the loudspeaker module, when an event exists between the control module and external equipment, the control module controls the environment audio detection module 12 to be closed, the audio optimization module 11 optimizes audio signals received by the control module and plays the optimized audio through the loudspeaker module; when no event exists between the control module and the external equipment, the control module controls the environmental audio detection module 12 to be started, the audio optimization module 11 optimizes the environmental audio detected by the environmental audio detection module 12 and plays the optimized audio through the loudspeaker module.

In some embodiments, a state detection module is also included, electrically connected to the control module, and generally includes a sensor and its peripheral circuitry for detecting event states, such as talk events and music events, between the hearing aid earpiece and the external device. The sensor may be various types of sensors, such as a proximity sensor, a light sensor, an acceleration sensor, etc., and an appropriate sensor is selected according to specific needs. In terms of a talk event, the state detection module may determine whether a talk is in progress by detecting an ambient sound level near the headset or detecting a microphone signal inside the headset; when a call event is detected, the state detection module may send a corresponding signal to the control module to trigger a corresponding function, such as switching to a call mode, adjusting the volume, turning off a hearing aid mode, etc. In the aspect of music events, the state detection module can judge whether music is being played or not by detecting sound level near the earphone or detecting audio signals inside the earphone and combining the audio events transmitted by the Bluetooth module; when a musical event is detected, the state detection module may send a corresponding signal to the control module to trigger a corresponding function, such as playing/pausing music, adjusting volume, turning off hearing aid mode, etc. It should be noted that the implementation of the specific status detection module may vary depending on the product design and technical requirements. When the state detection module detects that an event exists between the control module and the external equipment, the control module controls the environmental audio detection module 12 to be closed, the audio optimization module 11 optimizes the audio signals received by the control module and plays the optimized audio through the loudspeaker module; when the state detection module detects that no event exists between the control module and the external equipment, the control module controls the environmental audio detection module 12 to be started, the audio optimization module 11 optimizes the environmental audio detected by the environmental audio detection module 12 and plays the optimized audio through the loudspeaker module.

As shown in fig. 2, in some embodiments, the state detection module, the control module, and the audio optimization module 11 are integrated on a master IC, and the master IC may be a JL701N chip. The environmental audio detection module 12 may sample a microphone unit, an accelerometer, or a gyroscope, where there are two microphone units, a left microphone unit disposed on the left side of the headset body and a right microphone unit disposed on the right side of the headset body, respectively.

As shown in fig. 4, the microphone unit further includes a first microphone and a second microphone, the first microphone is disposed on the outer side of the earphone body and is responsible for feedforward, and the second microphone is disposed on the inner side of the earphone body and is responsible for feedback, firstly, the noise reduction performance is better, because the dual microphones can capture surrounding sound more accurately, and suppress noise more effectively in the noise reduction mode, and provide clearer talking and music experience. Secondly, the conversation quality is higher, because the double microphones can capture the sound of the user and the surrounding noise respectively, when in conversation, the first microphone on the outer side is closed, the second microphone on the inner side is opened, the conversation quality is usually clearer, and the other party can hear the sound of the user more easily and is not interfered by the environmental noise; when listening to music, the first microphone and the second microphone are turned off, so that the interference of environmental noise is avoided; when the conversation is finished and the music is not heard, the first microphone and the second microphone are turned on, the double microphones can capture surrounding sounds more accurately, and the hearing aid effect is good. Also, voice recognition is more accurate, and dual microphones help to improve the accuracy of voice recognition when using voice assistants or voice commands, as they can better filter out noise, making the user's instructions easier to understand. And the stereo sound effect is supported, and some double-microphone Bluetooth headsets can simulate the stereo sound effect and provide richer audio experience.

As shown in fig. 3, in some embodiments, the audio optimization module 11 includes a gain unit, a noise reduction unit, and a DAC unit, where the gain unit, the noise reduction unit, and the DAC unit are common techniques in the audio optimization arts, respectively; when a user calls a phone, the user notifies a Bluetooth main control unit of a main control IC of an incoming call event through an HFP protocol of a Bluetooth protocol stack, an audio signal is transmitted to a Bluetooth audio codec to perform AAC/SBC decoding, then the decoded sound data is input to an audio optimization module 11 to perform processing such as gain, noise reduction and the like, and finally the sound is output to a loudspeaker 20 through a power amplification unit 21 to output sound.

As shown in fig. 4, in some embodiments, the audio optimization module 11 includes an analog gain unit, an ADC, a decimation filter, a digital gain unit, and a resampling unit, the master control IC includes a DMA unit, and the audio collected by the first microphone and the second microphone respectively performs analog gain through the analog gain unit, then performs analog-to-digital conversion through the ADC, then performs noise reduction through the decimation filter, then performs digital signal gain through the digital gain unit, and then performs resampling through the resampling unit, and finally directly outputs to the speaker module through the DMA unit.

In some embodiments, the hearing aid module 10 includes a bone conduction vibration unit capable of contacting a human body, and the bone conduction vibration unit is disposed on the earphone as in the prior art, and the specific structural principle of the bone conduction vibration unit need not be described in detail herein; the bone conduction vibration unit is respectively and electrically connected with the environmental audio detection module 12 and the control module so as to enable the environmental audio detected by the environmental audio detection module 12 and the audio signals received by the control module to be conducted through the skull in a vibration mode, so that the hearing aid effect is further improved; in some embodiments, the bone conduction vibration unit is electrically connected to one of the environmental audio detection module 12 and the control module to vibrate the environmental audio detected by the environmental audio detection module 12 or the audio signal received by the control module through the skull bone, which can also increase the hearing aid effect.

In some embodiments, as shown in fig. 2, the hearing-aid earphone is also provided with a key, an indicator light and a rechargeable battery, wherein the key, the indicator light and the rechargeable battery are respectively electrically connected with the main control IC, the user can switch between a talking mode, a music mode and a hearing-aid mode through the key, the indicator light is used for indicating a communication state, a talking event state, a music event state and an event-free state of the earphone and the external device, and the main control IC is communicated with the external device through the bluetooth antenna.

It will be readily appreciated by those skilled in the art that the above preferred modes can be freely combined and superimposed without conflict.

The foregoing description of the preferred embodiments of the present utility model should not be construed as limiting the scope of the utility model, but rather should be understood to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model as defined by the following description and drawings or any application directly or indirectly to other relevant art(s).

Claims

1. A hearing aid headset, comprising:

A control module capable of communicating with an external device to transmit an audio signal to the external device or to receive an audio signal of the external device;

The loudspeaker module is electrically connected with the control module;

The hearing aid module is respectively and electrically connected with the control module and the loudspeaker module, can detect environmental audio and can optimize the detected environmental audio or audio signals received by the control module, and the optimized audio is played through the loudspeaker module;

When the control module receives/sounds the audio signal, the control module simultaneously controls the hearing aid module to stop detecting the environmental audio; when the control module does not receive/emit audio signals, the control module controls the hearing aid module to detect environmental audio, and the hearing aid module optimizes the detected environmental audio or audio signals received by the control module and broadcasts the optimized audio through the loudspeaker module.

2. The hearing aid earpiece according to claim 1, characterized in that: the hearing aid module comprises an environment audio detection module and an audio optimization module which are respectively and electrically connected with the control module, the environment audio detection module is electrically connected with the audio optimization module, the audio optimization module is electrically connected with the loudspeaker module, when a call/audio event exists between the control module and external equipment, the control module controls the environment audio detection module to be closed, and the audio optimization module optimizes audio signals received by the control module and plays the optimized audio through the loudspeaker module;

when no call/audio event exists between the control module and the external equipment, the control module controls the environmental audio detection module to be started, and the audio optimization module optimizes the environmental audio detected by the environmental audio detection module and plays the optimized audio through the loudspeaker module.

3. The hearing aid earpiece according to claim 2, characterized in that: the environmental audio detection module includes a microphone unit, an accelerometer, or a gyroscope.

4. A hearing aid earpiece according to claim 3, characterised in that: the earphone comprises an earphone body, wherein the microphone unit comprises a first microphone and a second microphone which are respectively electrically connected with the control module, the first microphone is arranged on the outer side of the earphone body, the second microphone is arranged on the inner side of the earphone body, and the control module can control the on-off states of the first microphone and the second microphone.

5. The hearing aid earpiece according to claim 2, characterized in that: the audio optimization module comprises a gain unit, a noise reduction unit and a DAC unit, wherein the input end of the gain unit is respectively and electrically connected with the environmental audio detection module and the control module, the output end of the gain unit is electrically connected with one end of the noise reduction unit, the other end of the noise reduction unit is electrically connected with the DAC unit, and the output end of the DAC unit is electrically connected with the speaker module.

6. The hearing aid earpiece according to claim 2, characterized in that: the hearing aid module comprises a bone conduction vibration unit which can be in contact with a human body, and the bone conduction vibration unit is respectively and electrically connected with the environment audio detection module and/or the control module so as to conduct the environment audio detected by the environment audio detection module and/or the audio signals received by the control module through the skull in a vibration mode.

7. The hearing aid earpiece according to claim 2, characterized in that: the control module and the audio optimization module are integrated on a main control IC.

8. The hearing aid earpiece according to claim 1, characterized in that: the loudspeaker module comprises a power amplification unit and a loudspeaker electrically connected with the power amplification unit, and the power amplification unit is electrically connected with the control module.