Microphone cover with noise reduction structure
By designing a microphone cover with a noise reduction structure and using components such as an embracing baffle to physically block the echo, the problem of poor echo cancellation effect of the existing microphone cover is solved, and a better echo cancellation effect is achieved.
Patent Information
- Application Number
- CN202422510018.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-17
- Publication Date
- 2025-09-12
- Estimated Expiration
- 2034-10-17
AI Technical Summary
Existing microphone covers are not very effective at canceling echoes, often relying on software processing, which can be stressful and ineffective.
Design a microphone cover with a noise reduction structure, which physically blocks the echo by using an embracing baffle and other structural components to eliminate part of the echo first, thereby reducing the pressure on software processing.
By physically blocking the echo, the effect of echo cancellation is significantly improved, the burden of software processing is reduced, and the efficiency of echo cancellation is improved.
Smart Images
Figure CN223334751U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of microphones, in particular to a microphone cover with a noise reduction structure. Background Art
[0002] A microphone cover, often called a windscreen or pop filter, is an accessory used to reduce noise and unwanted sounds captured by a microphone during recording.
[0003] When a conventional microphone cover is placed near a speaker that plays sound, the microphone will repeatedly record the sound of the speaker into the microphone, thus generating an echo. Existing microphones usually use software to eliminate this echo, but the effect of eliminating the echo is not good enough. Utility Model Content
[0004] In response to the problems in the existing technology, the utility model provides a microphone cover with a noise reduction structure, which eliminates part of the echo by physically blocking the echo, thereby reducing the pressure of subsequent software processing the echo and achieving better echo elimination effect.
[0005] The technical solution adopted by the utility model to solve the technical problem is a microphone cover with a noise reduction structure, which includes a PVC cover shell, a Z-shaped bottom block, a chassis, a fixing seat and a pickup microphone. The chassis is provided near the bottom of the PVC cover shell, and the pickup microphone is installed on the top of the chassis through the fixing seat.
[0006] The PVC cover shell includes a telescopic part located on the periphery, a sound receiving hole is opened through the top of the PVC cover shell, an embracing baffle is provided on one side of the PVC cover shell, a circular convex top is provided on the inner wall of the embracing baffle, the circular convex top is located on the upper side of the top of the PVC cover shell, a dustproof hole is opened through the top of the circular convex top, a fixing groove is opened on the top of the chassis near the periphery of the fixing seat, a plug-in plate is inserted in the fixing groove, a trumpet-shaped opening is connected to the top of the plug-in plate, and a sponge is provided on the inner wall of the trumpet-shaped opening near the top through a limiting slot.
[0007] By adopting the above technical solution, when the picked up sound is played through the surrounding audio equipment, the back of the encircling baffle is facing the direction of the audio. Through the blocking effect of the encircling baffle, part of the audio echo can be eliminated. This microphone cover eliminates part of the echo first by physically blocking the echo, thereby reducing the pressure of subsequent software to process the echo, and the effect of echo elimination is better.
[0008] Specifically, a fifth reserved hole, a fourth reserved hole and a second reserved hole are formed through the top of the Z-shaped bottom block, and a fixing hole corresponding to the fifth reserved hole is formed near the edge of the bottom of the chassis.
[0009] Specifically, a connecting flange is provided at the bottom of the PVC cover, and a mounting hole is provided through the bottom of the connecting flange at a position corresponding to the fourth reserved hole.
[0010] Specifically, a connecting piece is provided on the outer wall of the annular baffle near the bottom, and a third reserved hole is provided through the bottom of the connecting piece.
[0011] By adopting the above technical solution, the encircling baffle is conveniently fixed to the top of the Z-shaped bottom block by passing the external screws through the third reserved hole and the second reserved hole.
[0012] Specifically, a first reserved hole is formed through one end of the bottom of the Z-shaped bottom block.
[0013] By adopting the above technical solution, the Z-shaped bottom block can be conveniently fastened by passing the external screw through the first reserved hole, thereby facilitating the fixed installation of the microphone cover.
[0014] Beneficial effects of the utility model:
[0015] (1) The microphone cover with a noise reduction structure described in the present invention can eliminate part of the sound echo through the blocking effect of the surrounding baffle when the picked up sound is played through the surrounding audio equipment. The microphone cover can eliminate part of the echo in advance by physically blocking the echo, thereby reducing the pressure of subsequent software to process the echo and achieving a better effect in eliminating the echo. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a rear view structural diagram of the utility model;
[0019] Figure 3 It is a schematic diagram of the cross-sectional structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the structure of the encircling baffle, circular convex top and dustproof hole of the utility model;
[0021] Figure 5 This is a schematic diagram of the sound receiving hole structure of the present utility model.
[0022] In the figure: 1. PVC cover; 2. Z-shaped bottom block; 3. First reserved hole; 4. Second reserved hole; 5. Telescopic part; 6. Sound receiving hole; 7. Ring-shaped baffle; 8. Connecting piece; 9. Third reserved hole; 10. Round convex top; 11. Dustproof hole; 12. Chassis; 13. Fixing seat; 14. Microphone; 15. Fourth reserved hole; 16. Fixing slot; 17. Trumpet-shaped opening; 18. Insert plate; 19. Limiting slot; 20. Sponge; 21. Fifth reserved hole; 22. Connecting flange. DETAILED DESCRIPTION
[0023] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.
[0024] In order to enable this microphone cover to eliminate part of the echo by physically blocking the echo, thereby reducing the pressure of subsequent software to process the echo and improving the effect of echo cancellation, such as Figure 1-5 As shown, the microphone cover with a noise reduction structure described in the present invention includes a PVC cover shell 1, a Z-shaped bottom block 2, a chassis 12, a fixing seat 13 and a pickup microphone 14. The chassis 12 is provided near the bottom of the PVC cover shell 1, and the pickup microphone 14 is installed on the top of the chassis 12 through the fixing seat 13;
[0025] The PVC cover shell 1 includes a telescopic portion 5 located on the periphery, a sound receiving hole 6 is opened through the top of the PVC cover shell 1, an embracing baffle 7 is provided on one side of the PVC cover shell 1, and a circular convex top 10 is provided on the inner wall of the embracing baffle 7. The circular convex top 10 is located on the upper side of the top of the PVC cover shell 1, and a dustproof hole 11 is opened through the top of the circular convex top 10. A fixing groove 16 is opened on the top of the chassis 12 near the periphery of the fixing seat 13, and an inserting plate 18 is inserted in the fixing groove 16. The top of the inserting plate 18 is connected to a trumpet-shaped opening 17, and a sponge 20 is provided on the inner wall of the trumpet-shaped opening 17 near the top through a limiting slot 19.
[0026] During use, when the picked up sound is played through the surrounding audio equipment, the back of the encircling baffle 7 is facing the direction of the audio. The blocking effect of the encircling baffle 7 can eliminate part of the audio echo. This microphone cover eliminates part of the echo in advance by physically blocking the echo, thereby reducing the pressure of subsequent software to process the echo, and the effect of echo elimination is better.
[0027] For example, Figure 3 As shown, the utility model also includes that the top of the Z-shaped bottom block 2 is penetrated by a fifth reserved hole 21, a fourth reserved hole 15 and a second reserved hole 4, and the bottom of the chassis 12 is provided with a fixing hole corresponding to the fifth reserved hole 21 near the edge.
[0028] When in use, the chassis 12 is conveniently fixed to the top of the Z-shaped bottom block 2 by passing the external screws through the fixing holes and the fifth reserved holes 21 .
[0029] For example, Figure 3 As shown, the present invention further includes that a connecting flange 22 is provided at the bottom of the PVC cover 1 , and a mounting hole is provided through the bottom of the connecting flange 22 at a position corresponding to the fourth reserved hole 15 .
[0030] When in use, external screws are passed through the mounting holes to conveniently connect and fix the bottom of the PVC cover 1 and the Z-shaped bottom block 2 .
[0031] For example, Figure 1 and Figure 4 As shown, the present invention further includes that a connecting piece 8 is provided near the bottom of the outer wall of the annular baffle 7, and a third reserved hole 9 is opened through the bottom of the connecting piece 8.
[0032] When in use, the encircling baffle 7 is conveniently fixed to the top of the Z-shaped bottom block 2 by passing an external screw through the third reserved hole 9 and the second reserved hole 4 .
[0033] For example, Figure 1 As shown, the present invention further includes that a first reserved hole 3 is formed through one end of the bottom of the Z-shaped bottom block 2 .
[0034] When in use, the Z-shaped bottom block 2 is conveniently fastened by passing an external screw through the first reserved hole 3, thereby facilitating the fixed installation of the microphone cover.
[0035] When the present invention is in use, the Z-shaped bottom block 2 is conveniently fastened by passing the external screw through the first reserved hole 3, thereby facilitating the fixed installation of the microphone cover. The encircling baffle 7 is conveniently fixed to the top of the Z-shaped bottom block 2 by passing the external screw through the third reserved hole 9 and the second reserved hole 4. The bottom of the PVC cover 1 is conveniently connected and fixed to the Z-shaped bottom block 2 by passing the external screw through the mounting hole. The chassis 12 is conveniently fixed to the top of the Z-shaped bottom block 2 by passing the external screw through the fixing hole and the fifth reserved hole 21. The dustproof hole 11 opened on the top of the circular convex top 10 can play a good dustproof effect on the pickup microphone 14. The sound receiving hole 6 and the sponge 20 can buffer the high-speed airflow, thereby effectively reducing the microphone spray phenomenon.
[0036] The pickup microphone 14 on the top of the fixing base 13 can conveniently pick up the voices of people around. When the picked up sound is played through the surrounding audio equipment, the back of the encircling baffle 7 is facing the direction of the audio. The blocking effect of the encircling baffle 7 can eliminate part of the audio echo. This microphone cover eliminates part of the echo in advance by physically blocking the echo, thereby reducing the pressure of subsequent software to process the echo, and the effect of echo elimination is better.
[0037] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.
Claims
1. A microphone cover with a noise reduction structure, characterized in that: It comprises a PVC cover (1), a Z-shaped bottom block (2), a chassis (12), a fixing seat (13) and a pickup microphone (14), wherein the chassis (12) is provided near the bottom of the PVC cover (1), and the pickup microphone (14) is installed on the top of the chassis (12) via the fixing seat (13); The PVC cover (1) includes a telescopic portion (5) located at the periphery, a sound receiving hole (6) is provided through the top of the PVC cover (1), an embracing baffle (7) is provided on one side of the PVC cover (1), a circular convex top (10) is provided on the inner wall of the embracing baffle (7), the circular convex top (10) is located on the upper side of the top of the PVC cover (1), a dustproof hole (11) is provided through the top of the circular convex top (10), a fixing groove (16) is provided at the top of the chassis (12) near the periphery of the fixing seat (13), an inserting plate (18) is inserted in the fixing groove (16), the top of the inserting plate (18) is connected to a trumpet-shaped opening (17), and a sponge (20) is provided on the inner wall of the trumpet-shaped opening (17) near the top through a limiting slot (19).
2. The microphone cover with a noise reduction structure according to claim 1, characterized in that: The top of the Z-shaped bottom block (2) is provided with a fifth reserved hole (21), a fourth reserved hole (15) and a second reserved hole (4), and the bottom of the chassis (12) is provided with a fixing hole corresponding to the fifth reserved hole (21) near the edge.
3. The microphone cover with a noise reduction structure according to claim 2, characterized in that: A connecting flange (22) is provided at the bottom of the PVC cover (1), and a mounting hole is provided through the bottom of the connecting flange (22) at a position corresponding to the fourth reserved hole (15).
4. The microphone cover with a noise reduction structure according to claim 1 or 2, characterized in that: A connecting piece (8) is provided on the outer wall of the encircling baffle (7) near the bottom, and a third reserved hole (9) is provided through the bottom of the connecting piece (8).
5. The microphone cover with a noise reduction structure according to claim 1, characterized in that: A first reserved hole (3) is formed through one end of the bottom of the Z-shaped bottom block (2).