CN218772363U - In-ear earphone - Google Patents

Abstract

The application relates to an in-ear earphone, which comprises an earphone main body and an earplug module, wherein the earplug module comprises an earplug main body and a feedback microphone, the earplug main body is configured to be placed in an ear of a person, the feedback microphone is arranged on the earplug main body, and the feedback microphone is configured to be capable of picking up a noise signal and feeding back the noise signal to the outside; the earplug module is arranged at one end of the earphone body and is detachably connected with the earphone body. Because the different duct differences that lead to of people's ear for when the earplug module that this application provided sets up on the in-ear earphone for the feedback microphone is followed the earplug and is changed together, and then makes the feedback microphone can follow the selection of earplug variation in size and more be close eardrum department and make the actual noise reduction effect that people's ear heard more be close the noise reduction effect of debugging design, realizes truer noise reduction effect.

Description

In-ear earphone

Technical Field

The present application relates to the field of audio equipment technology, and more particularly, to an in-ear headphone.

Background

With the development of technology, the application of audio devices is becoming more common, and for some electronic devices with audio function requirements, the requirements for audio devices are becoming higher and higher. In order to enable a user to have an immersive audio experience, noise reduction is becoming the most fundamental requirement in some headphone devices.

In the prior art, the noise reduction of the audio frequency of the earphone is usually achieved by picking up the sound residual of the noise inside the human ear and the inverse sound wave, generating a signal with the same amplitude and the opposite phase as the sound residual through a function, and canceling the signal with the sound residual through a loudspeaker to achieve the purpose of feedback noise reduction. However, the part for picking up the noise inside the human ear usually has a certain position difference from the eardrum of the ear, and the difference cannot be compensated and corrected by an algorithm, so that the existing noise reduction mode is not ideal.

SUMMERY OF THE UTILITY MODEL

It is an object of the present application to provide an in-ear headphone.

According to a first aspect of the present application, there is provided an in-ear headphone comprising:

the earphone comprises an earphone main body and an earplug module;

the earplug module comprises an earplug main body and a feedback microphone, wherein the earplug main body is configured to be placed in a human ear, the feedback microphone is arranged on the earplug main body, and the feedback microphone is configured to pick up a noise signal and feed the noise signal back to the outside;

the earplug module is arranged at one end of the earphone body and is detachably connected with the earphone body.

Optionally, the earplug body has an output channel with two ends communicated, and the feedback microphone is disposed in the output channel.

Optionally, the earbud body includes a flexible portion configured to be able to fit to a human ear and disposed outside of the support portion, and a support portion on which the feedback microphone is disposed.

Optionally, the flexible portion is integrally formed with the support portion.

Optionally, the feedback microphone employs a fully directional microphone configured to be able to pick up a full band noise signal; the feedback microphone is one of a micro-electromechanical microphone or an electret microphone.

Optionally, the earphone body comprises: the device comprises a shell and a control module, wherein a cavity part is formed inside the shell; the control module is arranged in the cavity part and connected with the feedback microphone.

Optionally, the earphone body further comprises a speaker, which is disposed in the cavity portion and divides the cavity portion into a front cavity and a rear cavity; the front cavity is communicated with the earplug module, and the control module is arranged in the rear cavity and connected with the loudspeaker.

Optionally, the feedback microphone is connected to the control module through a flexible circuit board.

Optionally, the earphone module is detachably connected to the earphone main body, a first contact connected to the feedback microphone is disposed on the earphone main body, and a second contact connected to the control module is disposed on the earphone main body;

under the condition that the earplug module is connected with the earphone main body, the first contact is contacted with the second contact, so that the feedback microphone is connected with the control module.

One technical effect of this application lies in: the application provides an earplug module of in-ear earphone, be provided with the feedback microphone in its earplug main part, the noise signal of feedback environment can be picked up and outwards fed back to the feedback microphone. When the earplug main body is placed in a human ear, the earplug main body can be closer to the tympanic membrane of the human ear, the feedback microphone can pick up a noise signal at the tympanic membrane of the human ear as much as possible, and after the feedback microphone feeds the noise signal back to the external equipment, the external equipment can perform noise reduction processing on the external equipment according to the noise signal at the tympanic membrane of the human ear. Because the duct difference that the people's ear difference leads to, when setting up the earplug module that this application provided on the in-ear earphone for the feedback microphone is changed along with the earplug, and then makes the feedback microphone can follow the selection of earplug variation in size and more be close eardrum department and make the actual noise reduction effect that the people's ear heard more be close the noise reduction effect of debugging design, realizes more real noise reduction effect.

Further features of the present application and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which is to be read in connection with the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic structural diagram of an in-ear headphone provided in the present application.

In the figure: 1. a flexible portion; 2. a support portion; 3. outputting a sound channel; 4. a feedback microphone; 5. a housing; 6. a control module; 7. a speaker; 8. a front cavity; 9. a rear cavity; 10. a flexible circuit board; 11. a first contact; 12. a second contact.

Detailed Description

Various exemplary embodiments of the present application will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise.

The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the application, its application, or uses.

Techniques and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be considered a part of the specification where appropriate.

In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.

As shown in fig. 1, according to a first aspect of the present application, there is provided an in-ear headphone comprising a headphone body and an earbud module, wherein the earbud module comprises an earbud body and a feedback microphone 4; the earbud body configured to be placeable within a human ear; the feedback microphone 4 is disposed on the earplug body, and the feedback microphone 4 is configured to pick up a noise signal and feed back the noise signal to the outside. Wherein, the earplug module sets up the one end department of earphone main part to with earphone main part detachable connection.

Specifically, the earbud module provided in the present embodiment includes two parts, namely, an earbud main body and a feedback microphone 4. Wherein, the earplug main part can be connected in the one end of earphone, and when needs used the earphone, the earplug main part just can be placed in the people's ear, and the earplug main part can be designed for the duct of adaptation people's ear, improves the travelling comfort of wearing. The feedback microphone 4 is arranged in the earplug body, and in an operating state, the feedback microphone 4 is used for picking up a noise signal in an environment and feeding the picked-up noise signal back to an external device, such as a control module 6 of the earphone, the control module 6 generates a signal with the same amplitude and the opposite phase as the inverse sound residual by analyzing the received noise signal and the inverse sound residual through a function, and further controls a loudspeaker 7 of the earphone to emit a sound signal which is cancelled by the inverse sound residual, so that the purpose of feedback noise reduction is achieved.

In the prior art, there are earphones using the feedback microphone 4 for noise reduction, but they are usually disposed at a position close to the speaker 7, but this design may cause a certain difference between the position of the feedback microphone 4 and the position of the eardrum of the human ear, and this difference cannot be compensated and corrected by an algorithm, so that the noise reduction effect at the "eardrum" position cannot be achieved. In the present application, by disposing the feedback microphone 4 in the earplug body, the feedback microphone 4 can be placed at a position as close as possible to the eardrum of the human ear along with the earplug when the earphone is used, so that the position difference between the feedback microphone 4 and the eardrum of the human ear can be minimized. The closer the setting position of the feedback microphone 4 is to the eardrum of the human ear, the more accurate the noise signal of the environment picked up by the feedback microphone is, and after the feedback microphone is fed back to the control module 6 of the earphone, the more accurate the real sound signal cancelled by the noise signal can be debugged, so that the actual noise reduction effect heard by the human ear is closer to the noise reduction effect of the debugging design, thereby realizing the purpose of improving the noise reduction effect of the earphone from the aspect of structure.

In addition, in this embodiment, the feedback microphone 4 may be fixed on the earplug body by a connector or a fastener, or may be adhered to the earplug body by a back adhesive or the like, which may be specifically selected according to a structure, a material, and the like of the earplug body, and this application is not limited thereto. The type, shape, etc. of the feedback microphone 4 can be selected and adjusted according to the earphone type to which it is adapted and the usage parameters of the user, which is not limited in this application. By the adoption of the earphone of the earplug module, the noise reduction effect is more real, so that a user can experience an immersive sound signal, and the use experience of the user is improved.

Optionally, as shown in fig. 1, the earplug body has an output channel 3 with two ends connected, and the feedback microphone 4 is disposed in the output channel 3.

Specifically, the earphone main body has a sound outlet channel 3 for emitting sound, when the earplug module is fitted on the earphone, the earplug module can be communicated with the front cavity 8 of the loudspeaker 7 of the adapted earphone, and a sound signal emitted by the loudspeaker 7 of the earphone can be transmitted into the human ear through the sound outlet channel 3. In the present embodiment, the feedback microphone 4 is disposed in the sound output channel 3, an audio signal (a sound signal carrying normal video or music) emitted from the earphone passes through the feedback microphone 4 during the process of transmitting the audio signal to the ears of a person through the sound output channel 3, and the feedback microphone 4 picks up a noise signal around the audio signal, so that the speaker 7 of the earphone simultaneously emits a sound signal to cancel the noise signal by feeding the noise signal back to the control module 6 of the earphone. In the process, the audio signal sent by the loudspeaker 7 is transmitted into the human ear through the sound channel 3, and meanwhile, the audio signal transmitted into the human ear through the sound channel 3 is denoised by sending the sound signal which is canceled by the noise signal picked up by the feedback microphone 4, so that the denoising error is reduced, and the more real denoising effect is realized.

Alternatively, as shown in fig. 1, the earplug body includes a flexible portion 1 and a support portion 2, the flexible portion 1 is configured to be able to fit to a human ear and is disposed outside the support portion 2, and the feedback microphone 4 is disposed on the support portion 2.

Specifically, in this embodiment, the earplug main part includes flexible portion 1 and supporting part 2, and wherein, flexible portion 1 is located the outside of supporting part 2, and with the shape phase-match of people's ear canal, improves the travelling comfort of wearing to and the convenience of going into the ear, for example adopt silica gel etc. this application does not do the restriction to this. The support part 2 is mainly used for supporting the feedback microphone 4, which may be embedded in the flexible part 1, so that the feedback microphone 4 can be arranged at a suitable position in the earplug, for example, so that the feedback microphone 4 can be positioned at the position of the sound outlet channel 3 of the earplug, so as to achieve a more realistic noise reduction effect. Support portion 2 can set up on flexible portion 1 through the mode that bonds, also can with flexible portion 1 integrated into one piece, PC (polycarbonate) can be selected to the material of support portion 2, specifically can select according to actual need, and this application does not do the restriction to this all.

In an embodiment, a position gap for disposing the feedback microphone 4 is reserved on the supporting portion 2, and the feedback microphone 4 is adhered or attached in the position gap by disposing a back adhesive or gluing. The connection mode between the feedback microphone 4 and the outside may be a wireless connection mode, or may be an electrical connection mode, and the feedback microphone transmits the feedback signal to the outside through a circuit, which is not limited in this application. When the feedback microphone 4 is electrically connected to the outside for signal connection, a connection interface, a connection terminal, or the like may be reserved by leading a line of the feedback microphone 4 out of the support portion 2, and a specific connection method may be selected according to a structure of an external device or the like.

Alternatively, the flexible part 1 is integrally formed with the support part 2.

Specifically, in this embodiment, flexible portion 1 and supporting part 2 are the integrated into one piece structure, and in actual production, accessible integrated into one piece is moulded plastics etc. and is realized, can improve the production efficiency of earplug main part on the one hand, and on the other hand also can improve the fastness of being connected of flexible portion 1 and supporting part 2, improves the life of earplug module. The feedback microphone 4 can be assembled after the flexible part 1 and the support part 2 are integrally formed, so that the feedback microphone 4 is prevented from being damaged in the assembling process.

Optionally, the feedback microphone 4 employs a fully directional microphone configured to be able to pick up a full band noise signal; the feedback microphone 4 is one of a micro-electromechanical microphone or an electret microphone.

Specifically, in this embodiment, the feedback microphone 4 is a full-direction microphone, which can pick up all external noise signals, so that the earphone can be designed to reduce noise for full-band noise signals, thereby further improving the noise reduction effect of the earphone. The fully directional microphone can adopt a micro-electromechanical microphone or an electret microphone to adapt to more earphone models, and the noise reduction cost is reduced.

According to a second aspect of the present application, there is provided an in-ear headphone, as shown in fig. 1, comprising: an earphone body and the earbud module set forth in the first aspect, the earbud body being disposed at one end of the earphone body.

Specifically, in this embodiment, an in-ear earphone is provided, which may be a wireless bluetooth earphone or a wired earphone, and the present application does not limit this. With the earplug module that this application first aspect provided sets up the one end department at earphone main part, when using, in the duct of people's ear is put into to the one end that the in-ear earphone has the earplug module, then the position of earplug module more be close with the position of people's ear tympanic membrane, feedback microphone 4 alright in the earplug module of setting pick up the noise signal near the tympanic membrane with more accurate, the in-ear earphone can carry out the analysis through the noise signal who picks up to feedback microphone 4, send rather than the sound signal of cancellation, realize the noise reduction effect of more true.

Compare the earphone of making an uproar that falls in prior art, the in-ear earphone that this application provided, the position difference of its feedback microphone 4 and the position of people's ear tympanic membrane is littleer for the debugging of feedback noise reduction effect is truer, has improved the audio frequency of the immersive of user and has experienced.

Optionally, as shown in fig. 1, the headset main body includes: a housing 5 and a control module 6, wherein a cavity part is formed inside the housing 5; the control module 6 is disposed in the cavity and connected to the feedback microphone 4.

Specifically, in the present embodiment, the headphone body includes a housing 5 and a control module 6, wherein the control module 6 is disposed in a cavity portion formed inside the housing 5 and is connected to the feedback microphone 4. In the use process of the in-ear earphone, the noise signals picked up by the feedback microphone 4 can be directly fed back to the control module 6, the control module 6 controls the sound production part of the earphone to send sound signals which are cancelled with the noise signals through analysis and debugging, and the actual noise reduction of the in-ear earphone is realized.

Optionally, as shown in fig. 1, the earphone body further includes a speaker 7, and the speaker 7 is disposed in the cavity and divides the cavity into a front cavity 8 and a rear cavity 9; the front cavity 8 is communicated with the earplug module, and the control module 6 is arranged in the rear cavity 9 and connected with the loudspeaker 7.

Specifically, in this embodiment, the earphone main body further includes a speaker 7 for emitting sound, the speaker 7 is also disposed in the cavity portion formed in the housing 5, and separates the cavity portion into a front cavity 8 and a rear cavity 9, wherein the control module 6 is disposed in the rear cavity 9 to avoid affecting the sound emission effect of the speaker 7, the front cavity 8 is communicated with the earplug module, and in one embodiment, the front cavity 8 is communicated with the sound emitting channel 3 of the earplug module, so that sound can be better transmitted into the ear of a person through the earplug module. During actual use, an audio signal sent by the loudspeaker 7 is transmitted into the ear of a person through the earplug module, the feedback microphone 4 can pick up a noise signal at the tympanic membrane of the ear of the person and feed the noise signal back to the control module 6, and the control module 6 controls the microphone to send a sound signal which is cancelled by the noise signal through analysis and debugging, so that the noise reduction effect is realized on the audio signal sent by the microphone.

Optionally, the feedback microphone is connected to the control module 6 via a flexible circuit board 10.

Specifically, as shown in fig. 1, in the present embodiment, the feedback microphone 4 may be connected to the control module 6 through the flexible circuit board 10. The flexible circuit board 10 may enable connection of the feedback microphone 4 and the control module 6 along one side of the housing 5 of the headset body. The flexible circuit board 10 has better flexibility, so that the reliability and stability of connection between the feedback microphone 4 and the control module 6 can be improved, the arrangement space in the earphone body can be saved, and the miniaturization and integration of the in-ear earphone can be realized. The control module 6 may select a Digital Signal Processing (DSP) chip, and is electrically interconnected with the feedback microphone 4 through the flexible circuit board 10 or the PCB to form a signal connection, so as to achieve the noise reduction purpose of the in-ear headphone.

Optionally, the earplug module is detachably connected to the earphone main body, a first contact 11 connected to the feedback microphone 4 is disposed on the earplug main body, and a second contact 12 connected to the control module 6 is disposed on the earphone main body; when the earphone module is connected to the earphone body, the first contact 11 contacts the second contact 12, so that the feedback microphone 4 is connected to the control module 6.

Specifically, in the embodiment, the earplug module and the earphone main body are detachably connected, for example, in a buckling manner or a fastening manner, which is not limited in the present application. Detachable connected mode can make different crowds when using in-ear earphone on the one hand, can select the earplug module of the size that matches more according to the duct size of self to improve the travelling comfort of wearing. On the other hand, when the earplug module breaks down, also more convenient the change to reduce the cost of maintenance of earphone.

In one embodiment, the earphone body is provided with a first contact 11, the earphone body is provided with a second contact 12, when the earphone module is connected with the earphone body, the first contact 11 is in contact with the second contact 12 to realize the connection between the feedback microphone 4 and the control module 6, and when the earphone module is separated from the earphone body, the first contact 11 is separated from the second contact 12 to prevent the feedback microphone 4 from being in contact with the control module 6 in a non-working state of the in-ear earphone, so that the power consumption of the earphone is reduced. Wherein the second contact 12 may be arranged on the housing of the headset body.

The contact form makes the adaptability of earplug module and earphone main part stronger, has improved the reliability that the earphone feedback was fallen and is made an uproar. Here, the number of the first contacts 11 and the second contacts 12 is not limited to one. For example, in one embodiment, three first contacts 11 may be provided on the earplug body, and correspondingly, three second contacts 12 may be provided. It is three first contact all communicates with feedback microphone 4, and wherein every first contact 11 is respectively Power (Power), output (Output), ground (Ground) function interconnection with feedback microphone 4, is connected the back with control module 6, can feed back microphone 4's normal work, realizes the noise reduction effect.

In the above embodiments, the differences between the embodiments are described in emphasis, and different optimization features between the embodiments can be combined to form a better embodiment as long as the differences are not contradictory, and further description is omitted here in consideration of brevity of the text.

Although some specific embodiments of the present application have been described in detail by way of illustration, it should be understood by those skilled in the art that the above illustration is only for purposes of illustration and is not intended to limit the scope of the present application. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the present application. The scope of the application is defined by the appended claims.

Claims (9)

1. An in-ear headphone, comprising: the earphone comprises an earphone main body and an earplug module;

the earplug module comprises an earplug main body and a feedback microphone, wherein the earplug main body is configured to be placed in a human ear, the feedback microphone is arranged on the earplug main body, and the feedback microphone is configured to pick up a noise signal and feed the noise signal back to the outside;

the earplug module is arranged at one end of the earphone body and is detachably connected with the earphone body.

2. An in-ear headphone as claimed in claim 1, wherein the earbud body has an output channel with two ends in communication, the feedback microphone being disposed in the output channel.

3. An in-ear headphone according to claim 2, characterized in that the earbud body comprises a flexible part and a support part, the flexible part being configured to be able to fit to a human ear and being arranged outside the support part, the feedback microphone being arranged on the support part.

4. An in-ear headphone according to claim 3, characterized in that the flexible part is integrally formed with the support part.

5. An in-ear headphone as claimed in claim 1, wherein the feedback microphone employs a fully directional microphone configured to be able to pick up a full band of noise signals; the feedback microphone is one of a micro-electromechanical microphone or an electret microphone.

6. The in-ear headphone of claim 1, the headphone body comprising: the device comprises a shell and a control module, wherein a cavity part is formed inside the shell; the control module is arranged in the cavity part and connected with the feedback microphone.

7. An in-ear headphone according to claim 6, wherein the headphone body further comprises a speaker provided in the cavity portion and dividing the cavity portion into a front cavity and a rear cavity; the front cavity is communicated with the earplug module, and the control module is arranged in the rear cavity and connected with the loudspeaker.

8. An in-ear headphone according to claim 6, characterized in that the feedback microphone is connected with the control module by a flexible circuit board.

9. An in-ear headphone according to claim 6,

the earphone body is provided with a first contact connected with the feedback microphone, and the earphone body is provided with a second contact connected with the control module;

under the condition that the earplug module is connected with the earphone main body, the first contact is contacted with the second contact, so that the feedback microphone is connected with the control module.

Images