CN215187277U

CN215187277U - Bone conduction sound pickup

Info

Publication number: CN215187277U
Application number: CN202121526762.7U
Authority: CN
Inventors: 付金龙; 石冲; 蒋昌杰; 邢硕; 付译虹
Original assignee: Wuxin Intelligent Technology Co ltd
Current assignee: Wuxin Intelligent Technology Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2021-12-14
Anticipated expiration: 2031-07-06

Abstract

The utility model relates to a pickup technical field, concretely relates to bone conduction pickup, it includes: the buzzing piece is attached to the protruding part of the skull of the human body; the frequency selection module is fixedly arranged on the head-mounted support, and the input end of the frequency selection module is electrically connected with the input end of the buzzer; the vibration pickup module is fixedly arranged on the head-mounted support, and the input end of the vibration pickup module is electrically connected with the output end of the frequency selection module; sound source frequency conversion module, sound source frequency conversion module is fixed to be set up on wearing the support to be equipped with the external data interface, vibrate pickup module's output and sound source frequency conversion module's input port connection. The utility model discloses a buzzing piece directly gathers the person of wearing sound that oneself sent, does not gather external environment noise, consequently has the characteristic of making an uproar of falling, realizes physics nature solution environment noise completely, does not need the algorithm to solve the problem of making an uproar of falling.

Description

Bone conduction sound pickup

Technical Field

The utility model relates to a pickup technical field, concretely relates to bone conduction pickup.

Background

In real life, a microphone is often used as a component for collecting sound signals, the sound signals can be obtained by collecting the speaking sounds of users, but the conventional microphone is weak in anti-interference capability when collecting the sound signals, and the speaking sounds of the users cannot be clearly collected under the condition of high external noise, so that the collected sound signals have noise, and the quality and the efficiency of collecting the sound signals are reduced. Thus, the microphone in the prior art method has a problem that the acquired sound signal has noise.

SUMMERY OF THE UTILITY MODEL

The utility model provides a bone conduction adapter directly gathers the person's of wearing person's own voice of sending through the buzzing piece that compresses tightly at the person's of wearing skull protrusion position, and does not gather external environment noise, consequently has the characteristic of making an uproar of falling, realizes physics nature and solves the environment noise completely, does not receive external influence, does not need the algorithm to solve the problem of making an uproar of falling, solves the drawback of traditional earphone pickup completely, and can increase the volume with behind the less volume sound production pickup, reach the truest effect of people to people's conversation.

In order to achieve the above object, the utility model provides a following technical scheme: a bone conduction adapter is fixed in human head through wearing the support, and it includes: the buzzing piece is attached to the protruding part of the skull of the human body and is connected with the head-wearing support through a first connecting frame; the frequency selection module is fixedly arranged on the head-mounted bracket, and the input end of the frequency selection module is electrically connected with the input end of the buzzer; the vibration pickup module is fixedly arranged on the head-mounted support, and the input end of the vibration pickup module is electrically connected with the output end of the frequency selection module; the sound source frequency conversion module, sound source frequency conversion module is fixed to be set up wear on the support to be equipped with the external data interface, vibrate pickup module's output with sound source frequency conversion module's input port is connected.

Preferably, the bone conduction listening module is attached to a projecting part of a skull of a human body and is connected with the head-wearing bracket through a second connecting bracket; still including analytic module, audio digital conversion module and frequency acquisition module, analytic module's input with sound source frequency conversion module's output electric connection, audio digital conversion module's input with analytic module's output electric connection, the frequency acquisition module's input with audio digital conversion module's output electric connection, bone biography listening module's input with the output electric connection of frequency acquisition module.

Preferably, the buzzer is in press fit contact with a bone protruding part of the skull of the human body close to the oral area through the first connecting frame.

Preferably, the bone conduction listening module is in press contact with a bone protruding part of the human skull near the ear region through the second connecting frame.

Preferably, the external data interface is provided with a bluetooth module and an audio line interface.

Preferably, the buzzer piece is positioned in a front area of a maxilla by the first connecting frame.

Preferably, the buzzer is positioned in a mastoid region of a temporal bone through the first connecting frame.

Preferably, the buzzer is positioned in a bone region protruding around the glasses by the first connecting frame.

The utility model discloses beneficial effect does: when a wearer speaks to make a sound, the head skeleton generates slight vibration matched with sound frequency, the buzzer collects the vibration of the head skeleton, the frequency selection module is used for adaptive monitoring frequency, amplification collection is carried out, finally, under the action of the vibration pickup module, the vibration is arranged into audio signals, audio data transmission is carried out through an external data interface of the sound source frequency conversion module, in the setting, the buzzer directly collects the skeleton vibration when the wearer makes the sound, and outside environment noise is not collected, so that the noise reduction characteristic is realized, the physical environment noise is completely solved, the influence from the outside is avoided, the problem of noise reduction is not solved through an algorithm, the defect of pickup of the traditional earphone is completely solved, the volume can be increased after the sound is picked up by using smaller volume, and the truest effect of conversation between the person and the human is achieved. The sound source frequency conversion module receives an audio signal through an external data interface, converts the audio signal through the analysis module and the audio digital conversion module, and sends physical vibration to the head skeleton of a wearer according to the frequency acquisition module and the bone conduction listening module, so that the wearer directly stimulates listening organs of the ear through the vibration of the head skeleton, and sound perception is realized. The bone conduction listening module is in press contact with a bone protruding part of the human skull near the ear area through the second connecting frame. In addition, the external data interface can be connected with devices such as a mobile phone and the like in a Bluetooth or wired mode, and the functions of sound pickup and listening of the traditional headset are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the application of the present invention;

fig. 2 is a schematic diagram of the connection relationship between modules according to the present invention.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings of the present invention, and obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 and 2, a bone conduction sound pickup is fixed to a head of a human body by a head mount 3, and includes: the buzzer piece 1 is attached to the protruding part of the skull of a human body, and is connected with the head-wearing bracket 3 through the first connecting bracket 2; the frequency selection module 4 is fixedly arranged on the head-mounted support 3, and the input end of the frequency selection module 4 is electrically connected with the input end of the buzzer piece 1; the oscillating pickup module 5 is fixedly arranged on the head-mounted support 3, and the input end of the oscillating pickup module 5 is electrically connected with the output end of the frequency selection module 4; sound source frequency conversion module 6, sound source frequency conversion module is fixed to be set up wear on the support 3 to be equipped with the external data interface, vibrate pickup module 5's output with sound source frequency conversion module 6's input port is connected. The buzzer piece 1 is in press fit contact with a bone protruding part of a human skull close to the mouth region through the first connecting frame 2.

In the above arrangement, when a wearer speaks to produce sound, the head skeleton generates slight vibration matching with the sound frequency, the buzzer 1 applies direct current voltage according to the piezoelectric oscillation system to perform piezoelectric effect and collect the vibration of the head skeleton, the frequency selection module 4 performs adaptive monitoring frequency and performs amplification collection, and finally under the action of the vibration pickup module 5, the sound signal is arranged into an audio signal and the audio data is transmitted through the external data interface of the sound source frequency conversion module, in the arrangement, as the buzzer directly collects the skeleton vibration when the wearer vocalizes and does not collect the external environmental noise, the noise reduction characteristic is provided, the environmental noise is completely solved physically, the external influence is avoided, the noise reduction problem is not required to be solved by an algorithm, the defects of the traditional earphone pickup are completely solved, and the volume can be increased after the sound is picked up by a small volume, the effect of the truest conversation between people is achieved.

Preferably, the buzzer 1 is fixed to the front area of the maxilla through the first connecting frame 2, and since the area is located on both sides of the nasal bone, the maxilla can generate strong vibration when the wearer speaks, so that the physical signal of the maxilla can be better converted into an audio signal.

And when the buzzing piece 1 is fixed with the mastoid region of the temporal bone through the first connecting frame 2, the temporal bone transmits physical vibration generated when a wearer speaks to the buzzing piece, so that the buzzing piece 1 collects vibration signals and converts the vibration signals into electric signals for post data processing.

In addition, the buzzing piece 1 can be fixed at the bone protruding part around the eyes through the first connecting frame 2, and the aim of the buzzing piece is to perform physical vibration collection on the thin bone protruding part of the skin, so that the problem of reducing the signal collection accuracy caused by the elastic shock absorption of the skin and flesh is avoided.

The bone conduction listening module 7 is attached to the projecting part of the skull of the human body and is connected with the head-wearing bracket 3 through a second connecting bracket 8; still including analytic module 9, audio digital conversion module 10 and frequency acquisition module 11, analytic module 9's input with sound source frequency conversion module 6's output electric connection, audio digital conversion module 10's input with analytic module 9's output electric connection, frequency acquisition module 11's input with audio digital conversion module 10's output electric connection, bone biography listening module 7's input with frequency acquisition module 11's output electric connection.

In the arrangement, the sound source frequency conversion module 6 receives an audio signal through an external data interface, converts the audio signal through the analysis module 9 and the audio digital conversion module 10, and sends physical vibration to the head bone of a wearer according to the frequency acquisition module 11 and the bone conduction listening module 7, so that the wearer directly stimulates listening organs of ears through the vibration of the head bone, and sound perception is realized. The bone conduction listening module 7 is in press contact with a bone protruding part of the human skull near the ear area through the second connecting frame 8.

In addition, the external data interface is provided with a Bluetooth module 12 and an audio line interface 13. Therefore, the microphone can be connected with equipment such as a mobile phone and the like in a Bluetooth or wired mode, and the functions of sound pickup and listening of the traditional headset are realized.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a bone conduction adapter is fixed in human head through wearing the support, a serial communication port, include:

the buzzing piece is attached to the protruding part of the skull of the human body and is connected with the head-wearing support through a first connecting frame;

the frequency selection module is fixedly arranged on the head-mounted bracket, and the input end of the frequency selection module is electrically connected with the input end of the buzzer;

the vibration pickup module is fixedly arranged on the head-mounted support, and the input end of the vibration pickup module is electrically connected with the output end of the frequency selection module;

the sound source frequency conversion module, sound source frequency conversion module is fixed to be set up wear on the support to be equipped with the external data interface, vibrate pickup module's output with sound source frequency conversion module's input port is connected.

2. A bone conduction microphone as claimed in claim 1, wherein: the bone conduction listening module is attached to the projecting part of the skull of the human body and is connected with the head-wearing bracket through a second connecting bracket; still including analytic module, audio digital conversion module and frequency acquisition module, analytic module's input with sound source frequency conversion module's output electric connection, audio digital conversion module's input with analytic module's output electric connection, the frequency acquisition module's input with audio digital conversion module's output electric connection, bone biography listening module's input with the output electric connection of frequency acquisition module.

3. A bone conduction microphone as claimed in claim 1, wherein: the buzzer is in press fit contact with a bone protruding part of a human skull close to the mouth area through the first connecting frame.

4. A bone conduction microphone as claimed in claim 2, wherein: the bone conduction listening module is in press fit contact with a bone protruding part of the human skull near the ear area through the second connecting frame.

5. A bone conduction microphone as claimed in claim 1, wherein: the external data interface is provided with a Bluetooth module and an audio line interface.

6. A bone conduction microphone as claimed in claim 3, wherein: the buzzer piece is positioned in the front area of the maxilla through the first connecting frame.

7. A bone conduction microphone as claimed in claim 3, wherein: the buzzer piece is positioned in the mastoid region of the temporal bone through the first connecting frame.

8. A bone conduction microphone as claimed in claim 3, wherein: the buzzer piece is positioned in a skeleton area protruding around the glasses through the first connecting frame.