Multifunctional sound device
By designing a multifunctional sound device, utilizing the sound-absorbing shell and microphone's sound insulation materials and vacuum layer structure, combined with sound processing and wireless transmission modules, the problem of noise reduction and confidential communication in public places was solved, achieving clear voice transmission.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- YANG HUA
- Filing Date
- 2026-02-10
- Publication Date
- 2026-06-18
AI Technical Summary
In public places such as high-speed trains, when people need to speak in hushed tones or communicate discreetly, existing technologies struggle to effectively reduce noise and maintain confidentiality.
Design a multifunctional sound device that uses a sound-absorbing shell and microphone, utilizes sound-absorbing materials and a vacuum layer structure for sound absorption, and incorporates a sound processing module and a wireless transmission module to achieve sound processing and transmission.
It enables noise reduction and confidential speaking in public places, ensuring clear sound transmission to the phone, and is suitable for different face shapes and mouth shapes, providing a convenient user experience.
Smart Images

Figure CN2026078441_18062026_PF_FP_ABST
Abstract
Description
[Amended according to Rule 26, April 22, 2026] A multifunctional sound device Technical Field
[0001] This invention relates to the field of acoustics, and particularly to the fields of noise reduction and sound processing.
[0002] In public spaces such as high-speed trains and bullet trains, loud talking is generally prohibited. When we need to chat with friends, we have to lower our voices; or when we don't want others to hear what we're saying, we have to find a suitable time and place to speak. To address these two needs, it is necessary to develop a multifunctional sound device that enables noise reduction and confidential speaking in public places. Technical issues
[0003] In order to solve the problems mentioned in the background, the purpose of this invention is to use the device to cover the speaker's voice, process the covered voice through the built-in sound processing module of the device, and then transmit the processed voice to the mobile phone through the built-in wireless transmission module of the device. Technical solutions
[0004] To achieve the above objectives, a multifunctional sound device includes a sound-absorbing shell and a microphone. The front end of the sound-absorbing shell is an arc-shaped groove. The shell structure is "inner layer + vacuum + outer layer." Both the inner and outer layers are sound-insulating materials, and the combination of these materials is "sound-insulating material + laminated layer + sound-insulating material." A neck warmer is used in conjunction with the sound-absorbing shell. The top of the sound-absorbing shell is located above the upper lip, extending along the cheek to the neck and then downwards to form a sealed space. The shell structure is "inner layer + vacuum + outer layer." Both the inner and outer layers are sound-insulating materials, and the combination of these materials is "sound-insulating material + laminated layer + sound-insulating material."
[0005] Optionally, the described silencing shell is connected to an adjustable multi-functional bracket.
[0006] Optionally, the microphone is located inside the anechoic shell and is not connected to the anechoic shell, and is suspended in the middle without contacting the inner wall of the anechoic shell.
[0007] Optionally, the silencer housing has an air chamber inside, an air inlet at the bottom of the air chamber, a miniature pressure reducing valve inside, an air outlet pipe at the top, and a valve on the air outlet pipe that serves as both a switch and a valve for regulating air volume.
[0008] Optionally, the microphone unit has a microphone hole on the front, a power button and a wireless connection button on the top, a Type-C port for charging and headphones and a microphone preamp interface on the side, and a sound sensor connected next to the microphone.
[0009] Optionally, the receiver of the microphone has a screen on the front, a Type-C port for charging and headphones on the top, a motherboard on the back, and a power button on the side. The motherboard has two independent wireless transmission modules: the wireless transmission module in the lower left corner is responsible for connecting the wireless microphone, headphones, and mobile phone, and the wireless transmission module in the lower right corner is responsible for interconnecting the receivers. The motherboard also has an audio processing module.
[0010] Optionally, the so-called noise-reducing shell has an embedded data cable with an earphone jack, and the data cable has an independent data switch with 6 data exchange ports and a data switch connection cable.
[0011] Optionally, the silencer housing may contain an embedded air supply pipe, and the air supply pipe may be connected to a miniature air supply device. Beneficial effects
[0012] The technical solution of the present invention has the following beneficial effects: the technical solution of the present invention can realize confidential speaking, noise-reduced speaking, and voice-changing speaking. Attached Figure Description
[0013] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.
[0014] Figure 1 is a schematic diagram of the overall structure of a multifunctional sound device according to an embodiment of the present invention;
[0015] Figure 2 is a partial enlarged view of a multifunctional sound device according to an embodiment of the present invention;
[0016] Figure 3 is an enlarged view of a multifunctional sound device noise-absorbing shell according to an embodiment of the present invention;
[0017] Figure 4 is an enlarged view of a multifunctional sound device, including a microphone receiver, an air chamber, and a data switch, according to an embodiment of the present invention.
[0018] Figure 5 is an enlarged view of a multifunctional sound device microphone according to an embodiment of the present invention.
[0019] The realization of the objective, functional features and advantages of the present invention will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. The best embodiment of the present invention
[0020] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0021] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indication will also change accordingly.
[0022] This invention proposes a multifunctional sound device.
[0023] As shown in Figures 1 to 5, in one embodiment of the present invention, a multifunctional sound device includes a sound-absorbing shell and a microphone 1062. The front end of the sound-absorbing shell 2 is an arc-shaped groove. The shell structure is "inner layer + vacuum + outer layer". Both the inner and outer layers of the sound-absorbing shell are sound-insulating materials, and the combination of the sound-insulating materials in the inner and outer layers is "sound-insulating material + laminated layer + sound-insulating material". A neck warmer 201 is used in conjunction with the outside of the sound-absorbing shell. The top of the sound-absorbing shell 1 is located above the upper lip, extending along the cheek to the neck and then down the neck to form a sealed space. The shell structure is "inner layer 111 + vacuum 112 + outer layer 113". Both the inner and outer layers of the sound-absorbing shell are sound-insulating materials, and the combination of the sound-insulating materials in the inner and outer layers is "sound-insulating material + laminated layer + sound-insulating material". 1141 is a shoulder fixation device for the sound-absorbing shell 1, and 114 is a neck warmer for the sound-absorbing shell, which are detachable and can be used according to individual needs.
[0024] Specifically, the silencing shell 1 is connected to an adjustable multi-functional bracket 102.
[0025] Specifically, the microphone 1062 is housed in a closed box 1063 inside the sound-absorbing shell 1. 10631 is the lid of the box. After the microphone 1062 is placed in the box, the lid needs to be closed to form a closed box. When the microphone needs to be taken out, the lid 10632 is opened. 10632 is a thin rod on the inner wall of the box. The thin rod 10632 is used to suspend the microphone 1062 in the middle of the closed box and prevent the microphone from contacting the sides of the closed box.
[0026] Specifically, the silencer housing contains an air chamber 1051, an air inlet 1053 at the bottom, a miniature pressure reducing valve 1052 inside, an air outlet 1054 at the top, and a valve 1055 on the air outlet pipe that serves as both a switch and a flow rate regulator.
[0027] Specifically, the microphone 1062 has a microphone hole 10621 on the front, a power button 10624 and a wireless connection button 10625 on the top, a Type-C port 10622 for charging and headphones, and a microphone preamp interface 10623 on the side. A sound sensor 1061 is connected next to the microphone.
[0028] Specifically, the microphone receiver 104 has a screen 1042 on the front, a Type-C port 1043 on the top that is shared by charging and headphones, a motherboard 1041 on the back, a power button 1044 on the side, and two independent wireless transmission modules on the motherboard. The wireless transmission module 10412 in the lower left corner is responsible for connecting the wireless microphone, headphones and mobile phone, and the wireless transmission module 10411 in the lower right corner is responsible for interconnecting the receivers. The motherboard has an audio processing module 10410.
[0029] Specifically, a data cable 108 is embedded inside the silencing shell 1. The data cable has an earphone jack. There is an independent data switch 103 outside the data cable. The switch has 6 data exchange ports 1031 and is equipped with a data switch connection cable.
[0030] Specifically, a gas delivery pipe is embedded inside the silencer shell 1, and a miniature gas delivery device 107 is connected to the outside of the gas delivery pipe. Embodiments of the present invention
[0032] Specifically, the working principle and process of this invention are as follows:
[0033] 1. Sound Absorption (Sound Insulation) Principle: Since humans produce sound by vibrating their throats and then passing the sound through their mouths, to achieve absolute sound absorption, we need to seal off the area from the throat to the mouth. Therefore, the sound-absorbing shell 1 forms a closed space above the upper lip along the cheeks and neck. The sound absorption method is a horizontal structure (inner layer + vacuum + outer layer). Because a vacuum cannot transmit sound, the horizontal structure sound insulation also borrows from the construction of vacuum glass (that is, the sound insulation combination of the inner and outer sound insulation materials is sound insulation material + lamination + sound insulation material).
[0034] The sound-absorbing shell 2 mainly blocks the mouth. It uses the same sound-absorbing method as the sound-absorbing shell 1, which is a horizontal structure (inner layer + vacuum + outer layer). Since sound cannot be transmitted in a vacuum, the horizontal structure sound insulation also borrows from the construction of vacuum glass (that is, the sound insulation combination of the inner and outer layer sound insulation materials is sound insulation material + lamination + sound insulation material).
[0035] The silencing shell 2 is suitable for noise reduction, but it cannot provide privacy. Even if the mouth is blocked, the sound from the throat to the chin can still be heard. Therefore, if the silencing shell 2 wants to achieve the privacy effect of the silencing shell 1, a neck brace 201 needs to be added around the neck. However, compared to the silencing shell 1, it is inconvenient because when a person speaks, their mouth moves. The silencing shell 2 has to be pressed tightly against the mouth, which makes it inconvenient to speak.
[0036] The sound-absorbing shell 2 is also suitable for use in windy scenarios where sound insulation is not required. It is a physical method of reducing wind noise and can also be used to cut off external noise to ensure clear microphone pickup.
[0037] Of course, both of these models share a common drawback: they require customization. Because everyone's face shape, mouth shape, neck shape, and speaking style are different, without customization, sound leakage will occur, failing to achieve the desired soundproofing effect.
[0038] 2. The stand serves several purposes: first, it frees up your hands; second, it allows you to adjust the angle to suit different usage scenarios; third, it increases sound insulation because the stand acts as a load-bearing point, eliminating the need to consider the weight of the soundproofing shell, allowing you to use high-density soundproofing materials such as stainless steel, as higher density materials provide better sound insulation; fourth, it can be used in conjunction with other audio equipment, such as when playing games in a dormitory at night, as the stand can simultaneously support the audio equipment and a mobile phone or tablet; and fifth, it can be detached when not in use and used as a stand for other devices such as mobile phones, tablets, and cameras.
[0039] 3. The function of the enclosed box 1063: Because in a small, enclosed space, excessive sound pressure or amplitude can cause distortion or unclear sound pickup in the microphones inside the sound-absorbing shells 1 and 2. To solve this problem, the microphone needs to be placed inside the enclosed box 1063, and the microphone needs to be suspended in the center of the enclosed box without contacting the sides.
[0040] 4. The function of air chambers 107 and 105: Because people need to exhale and exhale when speaking, and the air inside silencer 1 or 2 is rapidly consumed when using silencer 1 or 2, and even more air is needed if silencer 1 is located above the nose, it is necessary to use either an external air inflation device for 107 or an internal air storage chamber 105 to provide air volume. Only one of these two options needs to be selected.
[0041]
[0042] The purpose of 5108 and 103: Data cables offer greater security and confidentiality compared to wireless transmission. Industrial applicability
[0043] The above description is merely a preferred embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent structural transformations made using the contents of the present invention's specification and drawings under the inventive concept of the present invention, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present invention. Sequence List Free Content
[0044] Type the free content description paragraph for the sequence list here.
Claims
1. A multifunctional sound device, characterized in that, Includes a soundproof enclosure and a microphone.
2. A multifunctional sound device, characterized in that, The product includes a sound-absorbing shell and a microphone. The front end of the sound-absorbing shell is an arc-shaped groove. The shell structure consists of an inner layer, a vacuum layer, and an outer layer. Both the inner and outer layers of the sound-absorbing shell are made of sound-insulating materials. The combination of the sound-insulating materials in the inner and outer layers is "sound-insulating material + laminated layer + sound-insulating material". The sound-absorbing shell is also equipped with a neck warmer for use.
3. The multifunctional sound device according to claim 1, characterized in that, The top of the so-called sound-absorbing shell is located above the upper lip, and the top extends along the cheek to the neck and then down the neck to form a closed space. The structure of the so-called sound-absorbing shell is "inner layer + vacuum + outer layer". Both the inner and outer layers of the so-called sound-absorbing shell are sound-insulating materials. The combination of the sound-insulating materials in the inner and outer layers of the so-called sound-absorbing shell is "sound-insulating material + laminated layer + sound-insulating material".
4. The multifunctional sound device according to claim 1, characterized in that, The aforementioned sound-absorbing shell is connected to an adjustable multi-functional bracket.
5. The multifunctional sound device according to claim 1, characterized in that, The microphone in question is housed in a closed box inside the anechoic shell and is suspended within the closed box without contacting the sides of the closed box.
6. The multifunctional sound device according to claim 1, characterized in that, The silencer housing has an air chamber inside, with an air inlet at the bottom and a miniature pressure reducing valve inside. The air outlet pipe is located at the top and has a valve that serves as both a switch and a valve for adjusting the air volume.
7. The top of the multifunctional sound device according to claim 1, characterized in that, The microphone unit has a microphone hole on the front, a power button and a wireless connection button on the top, a Type-C port for charging and headphones and a microphone preamp interface on the side, and a sound sensor connected next to the microphone.
8. The multifunctional sound device according to claim 1, characterized in that, The receiver of the microphone has a screen on the front, a Type-C port for charging and headphones on the top, a motherboard on the back, and a power button on the side. The motherboard has two independent wireless transmission modules: the wireless transmission module in the lower left corner is responsible for connecting the wireless microphone, headphones, and mobile phone, and the wireless transmission module in the lower right corner is responsible for interconnecting the receivers. The motherboard also has an audio processing module.
9. The multifunctional sound device according to claim 3, characterized in that, The so-called noise-canceling shell has a data cable embedded inside, the so-called data cable has an earphone jack, the so-called data cable has an independent data switch outside, the so-called data switch has 6 data exchange ports, and the so-called data switch is equipped with a data switch connection cable.
10. A multifunctional sound device according to claim 3, characterized in that, The so-called silencer housing has an embedded gas delivery pipe, and the gas delivery pipe is connected to a miniature gas delivery device.