Portable background sound noise reduction device

Abstract

The utility model relates to the technical field of audio processing. The portable background sound noise reduction device comprises a main body, a connecting assembly, an audio signal collecting assembly and a noise reduction assembly, the connecting assembly is arranged on the main body, the audio signal collecting assembly and the noise reduction assembly are both arranged in the main body, a through hole is formed in the main body, the two ends of the through hole are communicated with the external space and the audio signal collecting assembly respectively, and the noise reduction assembly is arranged in the main body. The noise reduction assembly is connected with the audio signal acquisition assembly and the connection assembly. Wherein the connecting assembly is used for adapting to external equipment and transmitting the noise-reduced signal to the external equipment. By means of the built-in noise reduction assembly, background noise in a complex and changeable live broadcast environment, especially high-decibel and irregular noise in outdoor or public places, is effectively isolated, and therefore the problems that traditional noise reduction equipment is large in size, inconvenient to carry and complex in operation and cannot meet the requirement for high-quality live broadcast anytime and anywhere of a user are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to audio processing technical field, specifically, relate to a portable background sound noise reduction device. BACKGROUND

[0002] In the current mobile internet era, mobile phone live broadcast has become a widely used social and entertainment way. However, in practical application, the live broadcast environment is often complex and changeable, especially when live broadcast is carried out outdoors or in public places, background noise becomes a big problem affecting the quality of live broadcast. In noisy environment, the traditional mobile phone live broadcast mode often has difficulty in effectively isolating background noise, resulting in the voice of the host being submerged, affecting the viewing experience of the audience.

[0003] In order to solve this problem, a variety of noise reduction equipment has appeared in the market, but these devices are often bulky and inconvenient to carry, and cannot meet the needs of users to carry out high-quality live broadcast anytime and anywhere, and these devices usually need complex setting and debugging, which is difficult for ordinary users to operate. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a portable background sound noise reduction device, aiming at solving the problem that the traditional noise reduction equipment is bulky, inconvenient to carry and complex to operate, and cannot meet the needs of users to carry out high-quality live broadcast anytime and anywhere.

[0005] The utility model realizes the following technical scheme:

[0006] A portable background sound noise reduction device, comprising: a main body, a connecting assembly, an audio signal acquisition assembly and a noise reduction assembly, the connecting assembly is arranged on the main body, the audio signal acquisition assembly and the noise reduction assembly are arranged in the main body, a through hole is formed in the main body, the two ends of the through hole are respectively communicated with the external space and the audio signal acquisition assembly, and the noise reduction assembly is connected with the audio signal acquisition assembly and the connecting assembly respectively, wherein the connecting assembly is used for adapting external equipment and transmitting the noise reduction signal to the external equipment.

[0007] Optionally, the noise reduction assembly comprises a master control unit, a storage unit, a clock unit, a power supply unit, an audio control unit and a power management unit, the audio signal acquisition assembly is connected with the master control unit, the master control unit is connected with the storage unit, the clock unit and the audio control unit respectively, the audio control unit is connected with the power management unit, and the power supply unit is connected with the power management unit; wherein the master control unit is used for receiving the audio signal transmitted by the audio signal acquisition assembly, performing noise reduction processing on the audio signal, and controlling the corresponding components to work coordinately; the storage unit is used for storing noise reduction algorithms, configuration parameters and processed audio data; the clock unit is used for providing a time reference; the power supply unit is used for supplying power to each power unit; the audio control unit is used for receiving the audio signal processed by the noise reduction unit, outputting to an external device, and being responsible for format conversion and volume adjustment of the audio signal; and the power management unit is used for monitoring the state of the power supply unit and managing power distribution.

[0008] Optionally, the connecting assembly is a Type-C connector structure.

[0009] Optionally, the main body is in a strip shape, and the connecting assembly is arranged at the middle part of the main body.

[0010] Optionally, the two ends of the main body are provided with arc chamfers.

[0011] Optionally, an indication assembly is arranged in the main body, the indication assembly is arranged opposite to the through hole, and the indication assembly is connected with the audio signal acquisition assembly and the noise reduction assembly respectively; wherein the indication assembly is used for reflecting the working states of the audio signal acquisition assembly and the noise reduction assembly.

[0012] Optionally, the through hole is at least one.

[0013] Optionally, a control assembly is arranged on the main body, and the control assembly is connected with the acquisition assembly and the noise reduction assembly respectively.

[0014] Optionally, a charging interface is arranged on the main body.

[0015] Optionally, a power supply is arranged in the main body, and the power supply is connected with the audio signal acquisition assembly and the noise reduction assembly respectively.

[0016] The technical scheme of the utility model has at least the following advantages and beneficial effects:

[0017] Significantly improve the live broadcast quality: through the built-in noise reduction assembly, the background noise in the complex and changeable live broadcast environment can be effectively isolated, especially the high-decibel and irregular noise in outdoor or public places, so that the voice of the host is clearer and more prominent, and the viewing experience of the audience is greatly improved.

[0018] Highly portable: The main structure is compact, making it easy for users to carry around. Whether it is outdoor adventure, street interviews or daily travel, it can easily meet the needs of high-quality live broadcasts, breaking the limitations of traditional noise reduction devices that are bulky and inconvenient to carry.

[0019] Easy to use: The simplified connection component design allows users to quickly get started without professional knowledge and easily connect to external devices (such as mobile phones, cameras, etc.), lowering the barrier to entry and making it more suitable for ordinary users.

[0020] Good compatibility: The design of the connection components takes into account the wide compatibility of external devices, and can be adapted to a variety of mobile devices of various brands and models, increasing versatility and practicality, and meeting the diverse needs of different users.

[0021] Enhancing live stream interactivity: Clear audio transmission not only improves the quality of live stream content but also enhances the interactive experience between the streamer and the audience, making live stream events more vivid and interesting, and helping to build closer community relationships. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of the portable background noise reduction device according to an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the main control unit circuit structure of the noise reduction component of the portable background noise reduction device according to an embodiment of the present invention;

[0024] Figure 3 This is a schematic diagram of the storage unit circuit structure of the noise reduction component of the portable background noise reduction device according to an embodiment of the present utility model;

[0025] Figure 4 This is a schematic diagram of the power management circuit structure of the noise reduction component of the portable background noise reduction device according to an embodiment of the present utility model;

[0026] Icons: 1-Main body, 101-Charging port, 102-Through hole, 2-Connection component. Detailed Implementation

[0027] The following is a detailed description of the embodiments, in conjunction with the accompanying drawings.

[0028] Reference Figure 1The application discloses a portable background noise reduction device, which comprises a main body 1, a connecting assembly 2, an audio signal collecting assembly and a noise reduction assembly, the connecting assembly 2 is arranged on the main body 1, the audio signal collecting assembly and the noise reduction assembly are arranged in the main body 1, a through hole 102 is formed in the main body 1, the through hole 102 is in communication with an external space and the audio signal collecting assembly respectively, and the noise reduction assembly is connected with the audio signal collecting assembly and the connecting assembly 2 respectively.

[0029] In some embodiments, the noise reduction assembly comprises a master control unit, a storage unit, a clock unit, a power supply unit, an audio control unit and a power management unit, the audio signal collecting assembly is connected with the master control unit, the master control unit is connected with the storage unit, the clock unit and the audio control unit respectively, the audio control unit is connected with the power management unit, and the power supply unit is connected with the power management unit; wherein the master control unit is used for receiving the audio signal transmitted by the audio signal collecting assembly, performing noise reduction processing on the audio signal, and controlling the corresponding components to work coordinately; the storage unit is used for storing noise reduction algorithms, configuration parameters and processed audio data; the clock unit is used for providing a time reference; the power supply unit is used for supplying power to each power-consuming unit; the audio control unit is used for receiving the audio signal processed by the noise reduction unit, outputting to an external device, and being responsible for format conversion and volume adjustment of the audio signal; and the power management unit is used for monitoring the state of the power supply unit and managing power distribution.

[0030] In some embodiments, the main body 1 is provided with a control assembly connected with the collecting assembly 2 and the noise reduction assembly respectively. The control assembly can be a button or a touch panel, which is used for controlling the working mode of the audio signal collecting assembly and the noise reduction assembly.

[0031] In some embodiments, the control assembly is a touch panel, the control assembly is connected with the master control unit, and the circuit of the master control unit is as shown in the accompanying drawing Figure 2 , wherein CT8233LK represents a touch chip, and TOUCH represents a received touch signal; the touch signal is received through the control assembly and is given to the touch chip through a TCH pin, the signal is output to the master control unit through an OUT pin for processing, and each component is controlled through the master control unit; when the TCH pin receives a noise reduction control signal, the touch chip sends a high-low level signal to the master control unit, and the master control unit drives a preset noise reduction program to perform noise reduction processing on the audio signal collected by the audio signal collecting assembly.

[0032] In some embodiments, the circuit of the storage unit is as shown in the accompanying drawing Figure 3As shown, ZB25VQ64 represents a storage chip, which internally stores the drive program required by the master control unit. When the device is started, the internally stored drive program is driven to control the operation of the master control unit. According to the corresponding drive program, the master control unit performs the corresponding control operation. When the noise reduction processing drive program is executed, the noise reduction processing work is performed.

[0033] In some embodiments, the power management circuit is as shown in Figure 4 As shown, LDR6028 represents a power control chip. After inputting 5V voltage, it outputs stable voltage to other components to meet the power stability requirement. After receiving 5V voltage, other components perform a voltage reduction and stabilization, and finally deliver the voltage to the master control unit. The master control unit executes the noise reduction processing drive program to realize the noise reduction function.

[0034] In some embodiments, the connection assembly 2 is a Type-C connector structure. This design not only has the advantages of fast data transmission speed and support for forward and reverse insertion, but also widely compatible with current market smartphones, tablets and other mobile devices, making it easy for users to connect the noise reduction device with external devices. To ensure the stability of the connection between the connection assembly 2 and the external device, metal contacts or spring contacts can be designed to increase the reliability and durability of the contact. The connector part can be designed with anti-slip texture or protrusions to increase friction when the user plugs in or out, preventing it from slipping. By adopting the widely recognized Type-C standard, the compatibility can be maximized. To prevent dust, moisture and other impurities from entering the connection assembly 2, a dust cover or waterproof plug can be designed on the connector part. The connector part can also be made of wear-resistant and corrosion-resistant materials to improve the service life. The connection assembly 2 can be connected to the indication assembly in the main body 1, and when successfully connected to the external device, feedback can be provided to the user through the indicator light or other means.

[0035] In some embodiments, the main body 1 is in a strip shape, and the connection assembly 2 is arranged in the middle of the main body 1. This shape not only facilitates holding, but also facilitates carrying; in terms of size, the length, width and height of the main body 1 can be adjusted according to actual needs, so that users can easily put it into a pocket or bag. The connection assembly 2 is arranged in the middle of the main body 1, which can ensure that the main body 1 remains balanced when connecting to external devices, and is not easy to fall off.

[0036] In some embodiments, the main body 1 is provided with a circular arc chamfer at both ends. Not only does it increase the aesthetics of the main body 1, but it also reduces the risk of scratching the user during carrying or use.

[0037] In some embodiments, an indicator component is provided within the main body 1, which is disposed opposite to the through hole 102 so that the user can intuitively see the working status. The indicator component is connected to the audio signal acquisition component and the noise reduction component respectively; wherein, the indicator component is used to reflect the working status of the audio signal acquisition component and the noise reduction component. The indicator component can be implemented using LED indicator lights or other visualization methods.

[0038] In some embodiments, there is at least one through-hole 102. It is used to allow audio signals from the external space to enter the interior of the main body 1 and be received by the audio signal acquisition component. The through-holes 102 can be distributed along the length of the main body 1 or concentrated in a certain area, depending on the layout of the audio signal acquisition component and the requirements of the noise reduction algorithm. The shape of the through-hole 102 can be circular, elliptical, rectangular, or other suitable shapes. A dustproof mesh or waterproof membrane can be provided around the through-hole 102 to prevent dust and moisture from entering the interior of the main body 1 and affecting the normal operation of the audio signal acquisition component and the noise reduction component.

[0039] In some embodiments, a charging interface 101 is provided on the main body 1. The charging interface 101 can select common charging interface types, such as Type-C, Micro-USB, Lightning (Apple specific), or USB-A (used with a charging cable). The charging interface can be designed at one end or on the side of the main body 1 to avoid interference with the connecting component 2. The charging interface has built-in overcurrent, overvoltage, and short-circuit protection mechanisms to prevent device damage or safety accidents caused by improper charging. A charging indicator light can be provided near the charging interface 101 to indicate the charging status (e.g., red light indicates charging, green light indicates charging complete). This helps users intuitively understand the charging status of the device. The charging interface 101 should have a certain degree of waterproof and dustproof capability. This can be achieved through waterproof plugs, dust covers, or sealing rings. The charging interface 101 is compatible with mainstream charging heads and charging cables on the market, ensuring that users can easily find alternative charging devices. Reinforcing ribs or wear-resistant materials can be designed around the interface to improve its durability.

[0040] In some embodiments, a power supply is provided within the main body 1, which is connected to the audio signal collection assembly and the noise reduction assembly respectively. The power supply can use a rechargeable lithium-ion battery as the main power source. The power supply cooperates with the charging interface 101 and the power management unit to achieve intelligent charging management, including precise control of charging current and voltage, real-time monitoring of charging status, and automatic power-off after full charge, etc., to ensure the safety of the battery and prolong its service life. In order to facilitate users to know the remaining power of the power supply, a power indicator light can be provided on the main body 1 or connected to the indication assembly to display the power information, which helps users to charge in time and avoid interruption due to insufficient power during live streaming. In order to reduce power consumption, the power supply can cooperate with components such as the main control unit and the audio control unit to realize low-power standby mode and intelligent wake-up function, which can automatically reduce power consumption when the noise reduction device is in non-use state to prolong the battery usage time. The main body 1 is provided with a detachable and replaceable battery compartment, so that users can use a spare battery to ensure the continuous use of the noise reduction device.

Claims

1. A portable background sound noise reduction device, characterized by, The utility model relates to an audio signal acquisition device, including: Main body (1), connecting assembly (2), audio signal acquisition assembly and noise reduction assembly, connecting assembly (2) is arranged on main body (1), audio signal acquisition assembly and noise reduction assembly are all arranged in main body (1), the through -hole (102) is seted up on main body (1), the both ends of through -hole (102) are communicated with external space and audio signal acquisition assembly respectively, and noise reduction assembly is connected with audio signal acquisition assembly and connecting assembly (2) respectively, wherein, connecting assembly (2) is used for adapting external equipment, and the signal after noise reduction is transmitted to external equipment.

2. The portable ambient noise reducing device of claim 1, wherein, The noise reduction assembly includes a master control unit, a storage unit, a clock unit, a power supply unit, an audio control unit, and a power management unit. The audio signal acquisition assembly is connected to the master control unit. The master control unit is connected to the storage unit, the clock unit, and the audio control unit. The audio control unit is connected to the power management unit. The power supply unit is connected to the power management unit. The master control unit receives audio signals transmitted by the audio signal acquisition assembly, processes the audio signals, and controls the corresponding components to work in coordination. The storage unit stores noise reduction algorithms, configuration parameters, and processed audio data. The clock unit provides a time reference. The power supply unit supplies power to each power-consuming unit. The audio control unit receives processed audio signals from the noise reduction unit, outputs them to external devices, and is responsible for format conversion and volume adjustment of the audio signals. The power management unit monitors the status of the power supply unit and manages power distribution.

3. The portable ambient noise reducing device of claim 1, wherein, The connecting assembly (2) is a Type-C connector structure.

4. The portable ambient noise reducing device of claim 1, wherein, The main body (1) is in the shape of a strip, and the connecting assembly (2) is arranged in the middle of the main body (1).

5. The portable ambient noise reducing device of claim 4, wherein, The main body (1) has a circular arc chamfer at both ends.

6. The portable ambient noise reducing device of claim 1, wherein, The main body (1) has an indication assembly arranged opposite to the through -hole (102). The indication assembly is connected to the audio signal acquisition assembly and the noise reduction assembly. The indication assembly reflects the working status of the audio signal acquisition assembly and the noise reduction assembly.

7. The portable ambient noise reducing device of claim 6, wherein, There is at least one through -hole (102).

8. The portable ambient noise reducing device of claim 1, wherein, The main body (1) has a control assembly connected to the acquisition assembly and the noise reduction assembly.

9. The portable ambient noise reducing device of claim 1, wherein, The main body (1) has a charging interface (101).

10. The portable ambient noise reducing device of any one of claims 1-9, wherein, The main body (1) has a power supply connected to the audio signal acquisition assembly and the noise reduction assembly.

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