A USB stereo digital condenser microphone

Abstract

The application provides a USB stereo digital condenser microphone, which comprises a shell, a circuit board arranged in the shell, a first rotary press switch arranged on the shell and used for rotating and adjusting a sound source gain input and pressing and adjusting a sound source collection mode, an audio interface and a background lamp arranged on the shell, a second rotary press switch arranged on the shell and used for rotating and adjusting an audio interface volume output and pressing and adjusting a background lamp color, and the background lamp comprises a first background lamp arranged on the top of the first rotary press switch and the second rotary press switch, and the audio interface, the first rotary press switch, the second rotary press switch and the first background lamp are electrically connected with the circuit board. The two functions are realized through the rotary press switch, the switch setting is reduced, the first background lamp is directly arranged on the rotary press switch and used as a background interactive lamp and an indicating lamp, the functions of the microphone are realized through fewer components, and the microphone is convenient to quickly assemble.

Description

Technical Field

[0001] This invention relates to the field of microphone technology, and more specifically, to a USB stereo digital condenser microphone. Background Technology

[0002] With the development of technology, there are more and more types of microphones. A microphone, also called a transducer or microphone, is used to convert received sound signals into electrical signals. The vibrations of the sound are transmitted to the microphone diaphragm, which drives the magnet inside the microphone to form a changing current, thereby converting the sound signal into an electrical signal. Microphones have evolved from initially using resistance to convert sound to electricity to inductive and capacitive conversion.

[0003] When adjusting the volume and acquisition mode of a microphone, a rotary knob is typically used to adjust the volume, and a level switch is used to select the acquisition mode at different levels. Furthermore, microphones often have a headphone jack for audio signal output, thus requiring an additional rotary knob for headphone jack volume output. Traditional microphones sometimes include multiple indicator lights around the rotary knob to indicate the volume level.

[0004] Microphones can be used in various settings. In interactive settings, such as events, various lights are used to create a lively atmosphere. However, in existing microphones, indicator lights only show volume levels and do not utilize interactive background lighting for this purpose. Integrating interactive background lighting into existing microphones would require numerous electronic components, including the interactive lights themselves, multiple switches, and indicator lights. Such a large number of components on the casing would make installation inconvenient and hinder rapid assembly. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a USB stereo digital condenser microphone, which solves the problem that the large number of electronic components in the prior art is not conducive to rapid assembly.

[0006] The technical solution adopted by the present invention to solve the above problems is as follows: a USB stereo digital condenser microphone, including a housing, a circuit board disposed inside the housing, a first rotary-press switch for rotating to adjust the audio source gain input and pressing to adjust the audio source acquisition mode on the housing, an audio interface and a backlight on the housing, a second rotary-press switch for rotating to adjust the audio interface volume output and pressing to adjust the backlight color on the housing, the backlight including a first backlight light disposed on top of the first rotary-press switch and the second rotary-press switch, the audio interface, the first rotary-press switch, the second rotary-press switch and the first backlight light are all electrically connected to the circuit board.

[0007] Compared with the prior art, the advantages of the present invention are: by setting a rotary press switch to realize the adjustment of two different functions, the number of switches is reduced; the first backlight is directly set on the rotary press switch, which can be used as a background interactive light display, and the volume can be adjusted by judging the position of the first backlight, reducing the number of indicator lights. The microphone function can be realized with fewer electronic components, which is convenient for quick assembly.

[0008] Preferably, the housing is provided with a three-diaphragm cavity, and the three-diaphragm cavity is provided with a first diaphragm head, a second diaphragm head, and a third diaphragm head electrically connected to the circuit board; the third diaphragm head is located on the side away from the second rotary push-button switch; the first diaphragm head and the second diaphragm head are located on the side close to the second rotary push-button switch, and the first diaphragm head is located at the upper end of the second diaphragm head; the horizontal axis D1 of the first diaphragm head is perpendicular to the horizontal axis D2 of the second diaphragm head, and the horizontal axis D3 of the third diaphragm head forms an acute angle with the horizontal axis D1 of the first diaphragm head.

[0009] The technical effects achieved by adopting this technical solution are as follows: by setting the diaphragm microphones at three different angles, it is possible to collect sound sources from various directions and realize sound source acquisition in multiple different modes; at the same time, by setting the first diaphragm microphone at the upper part of the second diaphragm microphone, the influence of the two microphones acquiring sound sources separately is reduced.

[0010] Preferably, the vertical distance between the horizontal axis D3 of the third diaphragm head and the horizontal axis D1 of the first diaphragm head is the first spacing, and the vertical distance between the horizontal axis D3 of the third diaphragm head and the horizontal axis D2 of the second diaphragm head is the second spacing, wherein the first spacing and the second spacing are equal.

[0011] The technical effect achieved by adopting this technical solution is that the third diaphragm microphone is positioned between the first and second diaphragm microphones, so that when acquiring stereo sound sources, the three diaphragm microphones can interactively acquire a more focused sound source.

[0012] Preferably, both the first rotary push-button switch and the second rotary push-button switch are disposed on the side of the housing, and the backlight includes a second backlight disposed around the first rotary push-button switch and the second rotary push-button switch, and the second backlight is electrically connected to the circuit board.

[0013] The technical effects achieved by adopting this technical solution are as follows: the first rotary push-button switch and the second rotary push-button switch are set on the side of the housing, which facilitates the adjustment of the first rotary push-button switch and the second rotary push-button switch; at the same time, the second backlight is set around the first rotary push-button switch and the second rotary push-button switch, which can serve as a background interaction function on the one hand, and illuminate the first rotary push-button switch and the second rotary push-button switch on the other hand, so as to facilitate their adjustment.

[0014] Preferably, the bottom of the housing is provided with a USB interface that is electrically connected to the circuit board.

[0015] The technical effects achieved by adopting this technical solution are as follows: placing the USB interface at the bottom of the housing ensures that the wiring will not affect the microphone's periphery after connection; at the same time, the USB interface facilitates connection, power supply to the microphone, and programming.

[0016] Preferably, the audio interface is located at the bottom of the housing, and the backlight includes a third backlight located around the audio interface and the USB interface, the third backlight being electrically connected to the circuit board.

[0017] The technical effects achieved by adopting this technical solution are as follows: the audio interface is also located at the bottom of the housing, so that the cable will not affect the microphone; at the same time, the third backlight is located around the audio interface and the USB interface, which can serve as a background interaction function and also illuminate the audio interface and the USB interface for easy connection.

[0018] Preferably, the housing is provided with a plurality of mode indicator lights for displaying different sound source acquisition modes, and each mode indicator light is electrically connected to the circuit board.

[0019] The technical effect achieved by adopting this technical solution is that the current mode of the sound source can be determined by the mode indicator light, making it easy to determine the working status of the microphone.

[0020] Preferably, the housing has a mode indicator symbol that matches the mode indicator light next to it.

[0021] The technical effect achieved by adopting this technical solution is that when the current mode is selected, the mode indicator light can illuminate the mode indicator symbol next to it, which can better determine the current microphone working mode.

[0022] Preferably, the top of the housing is provided with a touch panel for controlling mute, and the touch panel is electrically connected to the touch chip on the circuit board.

[0023] The technical effects achieved by adopting this solution are as follows: one-click mute control can be achieved through the touchpad, and the mute position is located on the top of the microphone housing, which is convenient to operate and makes it easier to achieve one-click mute in a timely manner.

[0024] Preferably, it further includes a bracket, the bracket including a U-shaped support part, a first chamfered support leg and a second chamfered support leg; the first chamfered support leg is fixedly connected to one side of the U-shaped support part, the second chamfered support leg is fixedly connected to the other side of the U-shaped support part, and the housing is movably connected to the U-shaped opening of the U-shaped support part.

[0025] The technical effects achieved by adopting this technical solution are as follows: a support structure is formed by the U-shaped support, the first chamfered support leg, and the second chamfered support leg, and shock absorption is achieved through suspension, effectively suppressing environmental noise. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of a USB stereo digital condenser microphone according to the present invention.

[0027] Figure 2 This is a schematic diagram of the internal structure of a USB stereo digital condenser microphone according to the present invention.

[0028] Figure 3 This is a top view of a USB stereo digital condenser microphone according to the present invention;

[0029] Figure 4 This is a schematic diagram of the bottom structure of a USB stereo digital condenser microphone according to the present invention.

[0030] Explanation of reference numerals in the attached drawings: 1-Housing; 11-First diaphragm microphone head; 12-Second diaphragm microphone head; 13-Third diaphragm microphone head; 14-Mode indicator light; 15-Touch panel; 2-Circuit board; 3-First rotary press switch; 4-Second rotary press switch; 5-Audio interface; 61-First backlight; 62-Second backlight; 63-Third backlight; 7-USB interface; 8-Bracket; 81-U-shaped support; 82-First chamfered support leg; 83-Second chamfered support leg; 84-First fixing screw; 85-Second fixing screw. Detailed Implementation

[0031] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0032] like Figures 1-4As shown, this embodiment relates to a USB stereo digital condenser microphone, including a housing 1, and a circuit board 2 disposed inside the housing 1. The housing 1 is provided with a first rotary-press switch 3 for rotating to adjust the audio source gain input and pressing to adjust the audio source acquisition mode.

[0033] The housing 1 is provided with an audio interface 5 and a backlight. The housing 1 is also provided with a second rotary-press switch 4 for adjusting the volume output of the audio interface 5 by rotation and adjusting the color of the backlight by pressing. The backlight includes a first backlight 61 disposed on top of the first rotary-press switch 3 and the second rotary-press switch 4.

[0034] Audio interface 5, first rotary push-button switch 3, second rotary push-button switch 4 and first backlight 61 are all electrically connected to circuit board 2.

[0035] In this embodiment, a rotary push-button switch is used to adjust two different functions, reducing the need for separate switches. Simultaneously, the first backlight 61 is directly mounted on the rotary push-button switch. When the switch is rotated, the first backlight 61 moves, allowing it to function as both a background interactive light and a way to determine the volume level. This reduces the need for indicator lights and enables the microphone function to be implemented with fewer electronic components, facilitating rapid assembly.

[0036] The top of the first rotary push-button switch 3 and the second rotary push-button switch 4 refers to the ends of the first rotary push-button switch 3 and the second rotary push-button switch 4 that are away from the circuit board 2.

[0037] The housing 1 contains a circuit board mounting cavity and a three-diaphragm cavity, which are isolated by a partition. The circuit board 2 is located in the circuit board mounting cavity. The bottom of the first rotary push-button switch 3, the second rotary push-button switch 4, and the audio interface 5 are also located in the circuit board mounting cavity because they need to be electrically connected to the circuit board 2.

[0038] The housing 1 contains a three-diaphragm cavity, which contains a first diaphragm microphone 11, a second diaphragm microphone 12, and a third diaphragm microphone 13 that are electrically connected to the circuit board 2. The first diaphragm microphone 11, the second diaphragm microphone 12, and the third diaphragm microphone 13 are all custom-made pure capacitor microphones and are all fixed to the partition.

[0039] The third diaphragm microphone 13 is positioned away from the second rotary push-button switch 4; the first diaphragm microphone 11 and the second diaphragm microphone 12 are positioned closer to the second rotary push-button switch 4. The horizontal axis D1 of the first diaphragm microphone 11 is perpendicular to the horizontal axis D2 of the second diaphragm microphone 12, and the horizontal axis D3 of the third diaphragm microphone 13 forms an acute angle with the horizontal axis D1 of the first diaphragm microphone 11.

[0040] The front end of the third diaphragm microphone 13 faces the side of the second rotary push-button switch 4. The rear end of the third diaphragm microphone 13 faces away from the side of the second rotary push-button switch 4.

[0041] The first diaphragm microphone 11 and the second diaphragm microphone 12 located on the front side facilitate the acquisition of sound from the front end. Furthermore, the three diaphragm microphones work together to achieve omnidirectional sound acquisition, enabling the acquisition of sound sources in various modes.

[0042] In this embodiment, the first diaphragm microphone 11 is disposed on the upper end of the second diaphragm microphone 12 to reduce the influence of the two on the sound source acquisition.

[0043] Furthermore, the vertical distance between the horizontal axis D3 of the third diaphragm head 13 and the horizontal axis D1 of the first diaphragm head 11 is the first spacing, and the vertical distance between the horizontal axis D3 of the third diaphragm head 13 and the horizontal axis D2 of the second diaphragm head 12 is the second spacing, and the first spacing and the second spacing are equal.

[0044] The third diaphragm head 13 is positioned between the first diaphragm head 11 and the second diaphragm head 12, so that when acquiring stereo sound sources, the three diaphragm heads can interactively acquire a more focused sound source.

[0045] In this embodiment, the housing 1 contains several mode indicator lights 14 for displaying different sound source acquisition modes, and each mode indicator light 14 is electrically connected to the circuit board 2. The mode of the current sound source can be determined through the mode indicator lights 14, facilitating the assessment of the microphone's operating status. In this embodiment, there are four mode indicator lights 14, corresponding to four acquisition modes: stereo, omnidirectional, cardioid, and bidirectional.

[0046] Furthermore, the housing 1 has a mode indicator symbol next to the mode indicator light 14 that matches the mode indicator light 14. When the current mode is selected, the mode indicator light 14 illuminates the adjacent mode indicator symbol, making it easier to determine the current working mode.

[0047] In practical use, the sound source acquisition includes four modes: stereo, omnidirectional, cardioid, and bidirectional. The stereo mode indicator is ∞, the omnidirectional mode indicator is ○, and the cardioid mode indicator is... The two-point indicator symbol is 8. When the sound source acquisition mode is selected by pressing the first rotary push-button switch 3, the corresponding mode indicator light 14 will be lit by the circuit board 2, which in turn illuminates the corresponding mode indicator symbol, making it easy to determine which sound source acquisition mode is currently in.

[0048] Stereo ∞ indicates the acquisition of sound sources for the left and right channels. By acquiring the first diaphragm head 11 and the second diaphragm head 12 respectively, and then processing them, the left and right channels are output, making them natural, clear and spacious. It is generally suitable for live streaming or singing with multiple people.

[0049] Omnidirectional ○ indicates full-channel sound source acquisition, where the first diaphragm head 11, the second diaphragm head 12, and the third diaphragm head 13 work together to achieve omnidirectional sound acquisition after complete mixing. The resulting sound presents a delicate and rich sound, and is generally suitable for event venues, concerts, live band performances, or conferences.

[0050] Heart-shaped direction This indicates the front-end sound source acquisition. By acquiring the first diaphragm head 11 and the second diaphragm head 12, and then mixing and outputting, it can accurately pick up the sound source from the front front, producing a full and rounded sound. It is generally suitable for live streaming, e-sports, podcasts, storytelling, narration, and vocal performances.

[0051] The double-pointed 8 indicates the acquisition of sound sources for the front and rear channels. The front channel is acquired by acquiring the first diaphragm head 11 and the second diaphragm head 12, and then the sound is output through mixing. The rear channel is then output by acquiring the third diaphragm head 13. The front and rear sound sources are collected in a figure-eight pattern, which is generally suitable for duet singing, performance, or dialogue interviews.

[0052] The top of the housing 1 is equipped with a touchpad 15 for controlling mute, which is electrically connected to the touch chip on the circuit board 2. One-button mute control is achieved via the touchpad 15, and the mute position is conveniently located on the top of the microphone housing 1, making it easier to operate and quickly achieve one-button mute.

[0053] In this embodiment, the first rotary push-button switch 3 and the second rotary push-button switch 4 are both disposed on the side of the housing 1. The background light includes a second background light 62 disposed around the first rotary push-button switch 3 and the second rotary push-button switch 4. The second background light 62 is electrically connected to the circuit board 2.

[0054] The first rotary press switch 3 and the second rotary press switch 4 are located on the side of the housing 1 for easy adjustment. Meanwhile, the second background light 62 is located on the perimeter, serving both as a background light and illuminating the first rotary press switch 3 and the second rotary press switch 4 for easy adjustment.

[0055] In this embodiment, the bottom of the housing 1 is provided with a USB interface 7 that is electrically connected to the circuit board 2. Placing the USB interface 7 at the bottom of the housing 1 ensures that the wiring will not affect the surrounding area of ​​the microphone after connection; at the same time, the USB interface 7 facilitates connection, power supply to the microphone, and programming.

[0056] Furthermore, the audio interface 5 is located at the bottom of the housing 1, and the backlight includes a third backlight 63 located around the audio interface 5 and the USB interface 7, and the third backlight 63 is electrically connected to the circuit board 2.

[0057] The audio interface 5 is also located at the bottom of the housing 1 so that the wires coming out will not affect the microphone. At the same time, the third backlight 63 is located around the audio interface 5 and the USB interface 7. On the one hand, it can serve as a background interaction function, and on the other hand, it can illuminate the audio interface 5 and the USB interface 7 for easy connection.

[0058] In actual use, the first background light 61, the second background light 62 and the third background light 63 are controlled by the circuit board 2, and all of them use RGB colored lights, which can achieve more colorful and dazzling changes.

[0059] The audio interface 5 is a 3.5mm headphone jack, and the USB interface 7 is a Type-C interface. Setting the audio interface 5 as a 3.5mm headphone jack makes it convenient to use; setting the USB interface 7 as a Type-C interface also makes connection easier.

[0060] In this embodiment, a USB stereo digital condenser microphone further includes a bracket 8, which includes a U-shaped support 81, a first chamfered support leg 82, a second chamfered support leg 83, a first fixing screw 84, and a second fixing screw 85.

[0061] The first chamfered support leg 82 is fixedly connected to one side of the U-shaped support part 81, and the second chamfered support leg 83 is fixedly connected to the other side of the U-shaped support part 81. The housing 1 is movably connected to the U-shaped opening of the U-shaped support part 81. A support structure is formed by the U-shaped support part 81, the first chamfered support leg 82, and the second chamfered support leg 83. The suspended structure can achieve shock absorption and effectively suppress environmental noise.

[0062] Specifically, the fixing of the housing 1 is as follows: the first fixing screw 84 is threaded to one side of the housing 1 through one end of the U-shaped support part 81, and the second fixing screw 85 is threaded to the other side of the housing 1 through the other end of the U-shaped support part 81.

[0063] Fixing is achieved through the first fixing screw 84 and the second fixing screw 85, which is convenient to operate.

[0064] In actual use, when the microphone housing 1 is supported by the bracket 8, the bottom of the U-shaped support 81, the first chamfered support leg 82, and the second chamfered support leg 83 all contact the bottom surface, forming two triangular supports, which can effectively support and stabilize the housing 1 and improve the stability of the entire microphone structure.

[0065] Meanwhile, rubber sleeves can be installed at the bottom of the U-shaped support 81, the first chamfered support leg 82, and the second chamfered support leg 83. The rubber sleeves can increase friction, prevent the microphone from tipping over, and also prevent the microphone from generating excessive noise when it moves.

[0066] Furthermore, when the housing 1 is fixed by the first fixing screw 84 and the second fixing screw 85, a strong fixation is not achieved; it is actually a movable connection. The housing 1 can rotate slightly, which facilitates the connection of the 3.5mm headphone jack and the Type-C interface.

[0067] The beneficial effects of this invention are as follows: by setting a rotary press switch to achieve the adjustment of two different functions, the number of switches is reduced, making the circuit connection simple; at the same time, the first background light 61 is directly set on the rotary press switch, which can be used as a background interactive light display, and the position of the first background light 61 can be used to determine the volume adjustment, reducing the number of indicator lights, making the circuit simple and easy to implement and connect.

[0068] The foregoing description illustrates and describes several preferred embodiments of the present invention. However, as previously stated, it should be understood that the present invention is not limited to the forms disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the inventive concept described herein through the foregoing teachings or techniques or knowledge in related fields. Any modifications and variations made by those skilled in the art that do not depart from the spirit and scope of the present invention should be within the protection scope of the appended claims.

[0069] While the disclosure is as stated above, its scope of protection is not limited thereto. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of this disclosure, and all such changes and modifications will fall within the protection scope of this invention.

Claims

1. A USB stereo digital condenser microphone, comprising a housing (1), wherein a circuit board (2) is disposed within the housing (1), characterized in that: The housing (1) is provided with a first rotary press switch (3) for rotating to adjust the audio source gain input and pressing to adjust the audio source acquisition mode. The housing (1) is provided with an audio interface (5) and a backlight. The housing (1) is provided with a second rotary press switch (4) for rotating to adjust the volume output of the audio interface (5) and pressing to adjust the color of the backlight. The backlight includes a first backlight (61) disposed on the top of the first rotary press switch (3) and the second rotary press switch (4). The first rotary press switch (3), the second rotary press switch (4), the audio interface (5) and the first backlight (61) are all electrically connected to the circuit board (2).

2. The USB stereo digital condenser microphone according to claim 1, characterized in that: The housing (1) is provided with a three-diaphragm cavity, and the three-diaphragm cavity is provided with a first diaphragm head (11), a second diaphragm head (12) and a third diaphragm head (13) which are electrically connected to the circuit board (2); The third diaphragm head (13) is located away from the second rotary push-button switch (4); the first diaphragm head (11) and the second diaphragm head (12) are located near the second rotary push-button switch (4), and the first diaphragm head (11) is located at the upper end of the second diaphragm head (12); the horizontal axis D1 of the first diaphragm head (11) is perpendicular to the horizontal axis D2 of the second diaphragm head (12), and the horizontal axis D3 of the third diaphragm head (13) forms an acute angle with the horizontal axis D1 of the first diaphragm head (11).

3. The USB stereo digital condenser microphone according to claim 2, characterized in that: The vertical distance between the horizontal axis D3 of the third diaphragm head (13) and the horizontal axis D1 of the first diaphragm head (11) is the first spacing, and the vertical distance between the horizontal axis D3 of the third diaphragm head (13) and the horizontal axis D2 of the second diaphragm head (12) is the second spacing. The first spacing and the second spacing are equal.

4. The USB stereo digital condenser microphone according to claim 1, characterized in that: The first rotary push-button switch (3) and the second rotary push-button switch (4) are both located on the side of the housing (1). The background light includes a second background light (62) located around the first rotary push-button switch (3) and the second rotary push-button switch (4). The second background light (62) is electrically connected to the circuit board (2).

5. The USB stereo digital condenser microphone according to claim 1, characterized in that: The bottom of the housing (1) is provided with a USB interface (7) that is electrically connected to the circuit board (2).

6. The USB stereo digital condenser microphone according to claim 5, characterized in that: The audio interface (5) is located at the bottom of the housing (1), and the backlight includes a third backlight (63) located around the audio interface (5) and the USB interface (7), and the third backlight (63) is electrically connected to the circuit board (2).

7. The USB stereo digital condenser microphone according to claim 1, characterized in that: The housing (1) is provided with several mode indicator lights (14) for displaying different sound source acquisition modes respectively, and each mode indicator light (14) is electrically connected to the circuit board (2).

8. The USB stereo digital condenser microphone according to claim 7, characterized in that: The housing (1) has a mode indicator symbol that matches the mode indicator (14) next to the mode indicator (14).

9. The USB stereo digital condenser microphone according to claim 1, characterized in that: The top of the housing (1) is provided with a touch panel (15) for controlling mute, and the touch panel (15) is electrically connected to the touch chip on the circuit board (2).

10. The USB stereo digital condenser microphone according to any one of claims 1-9, characterized in that: It also includes a bracket (8), which includes a U-shaped support (81), a first chamfered support leg (82), and a second chamfered support leg (83); The first chamfered support leg (82) is fixedly connected to one side of the U-shaped support part (81), the second chamfered support leg (83) is fixedly connected to the other side of the U-shaped support part (81), and the housing (1) is movably connected to the U-shaped opening of the U-shaped support part (81).

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