Desktop live broadcast omnidirectional microphone

Abstract

The utility model relates to the technical field of microphones, and discloses a desktop live broadcast omnidirectional microphone, which is characterized in that a circuit board is connected with a shell through a buffer positioning assembly, the upper end face of the shell is provided with a sound transmission hole, one side of the sound transmission hole on the upper end face of the shell is provided with a sound receiving hole, the circuit board is provided with a through hole, and a loudspeaker is arranged in the through hole and is in signal connection with the circuit board. A circuit board is arranged in the shell, a microphone is arranged above the circuit board in the shell and is in signal connection with the circuit board, a data transmission interface and a charging interface are arranged on the side face of the shell, an audio DSP chip is integrated on the circuit board, a power amplifier module and a Bluetooth EQ processing chip are in signal connection with the audio DSP chip, the power amplifier module is in signal connection with the loudspeaker, and the Bluetooth EQ processing chip is in signal connection with the microphone. The audio DSP chip is also in signal connection with a HUB processor, and the HUB processor is in signal connection with the data transmission interface. The sound box has the advantages of ensuring the sound receiving effect and being more convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of microphones, in particular to a desktop live broadcast omnidirectional microphone. Background Art

[0002] Currently, the live broadcast microphones on the market are mainly collar microphones and microphones. The collar microphone is not very convenient for clothing live broadcasts, and it is also inconvenient for female anchors to clip the collar microphone on the collar when they are broadcasting in the summer. Microphones are generally directional, and the sound will be weakened when the anchor is far away or not facing the microphone.

[0003] For this reason, there is an urgent need for a microphone that has comprehensive sound reception and is easy to use. Utility Model Content

[0004] 1. Technical Problems Solved

[0005] The technical problem to be solved by the utility model is that the existing microphone is inconvenient to use in order to ensure the sound receiving effect when in use.

[0006] 2. Technical Solution

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a desktop live broadcast omnidirectional microphone, comprising a housing, a circuit board, a speaker and a microphone, wherein the housing is provided with a circuit board, a speaker and a microphone,

[0008] The circuit board is connected to the shell through a buffer positioning assembly, a sound hole is provided on the upper end surface of the shell, a sound receiving hole is provided on one side of the sound hole on the upper end surface of the shell, a through hole is provided on the circuit board, the through hole corresponds to the position of the sound hole, a speaker is provided in the through hole, the speaker is connected to the circuit board signal, a microphone is provided above the circuit board in the shell, the microphone is connected to the circuit board signal, a data transmission interface and a charging interface are provided on the side of the shell, and the data transmission interface and the charging interface are electrically connected to the circuit board;

[0009] An audio DSP chip is integrated on the circuit board, and the audio DSP chip is signal-connected with a power amplifier module and a Bluetooth EQ processing chip, the power amplifier module is signal-connected with a speaker, the Bluetooth EQ processing chip is signal-connected with a microphone, and the audio DSP chip is also signal-connected with a HUB processor, and the HUB processor is signal-connected with a data transmission interface;

[0010] The audio DSP chip performs multi-channel sound reception through a differential algorithm, and simultaneously performs speech enhancement and human voice restoration.

[0011] Furthermore, the buffer positioning assembly includes a connecting block, a supporting block and an elastic supporting member, the connecting block is connected to the shell, the connecting block is connected to the elastic supporting member through the supporting block, connecting holes are provided at the four corners of the circuit board, and the elastic supporting member is snap-fitted to the connecting holes.

[0012] Furthermore, a connecting groove is provided on the inner surface of the shell, and the connecting block is snap-connected with the connecting groove.

[0013] Furthermore, the data transmission interface includes a Bluetooth connection and a TYPE C connection.

[0014] Furthermore, a PC port is provided on the side of the shell, and the PC port is connected to the circuit board signal.

[0015] Furthermore, a reinforcing rib plate is provided on the inner surface of the shell side.

[0016] 3. Beneficial Effects

[0017] The advantages of the utility model compared with the prior art are:

[0018] 1. Adopting a new audio algorithm, the sound reception is not significantly weakened within 4 meters, and the omnidirectional sound reception method is adopted, so the live broadcast personnel can receive the sound clearly at any angle;

[0019] 2. The structure adopts a desktop style, so users do not need to carry it with them, they can just put it on the desktop. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the utility model.

[0021] Figure 2 It is a schematic diagram of the internal structure of the utility model.

[0022] Figure 3 It is a schematic diagram of the structure of the circuit board of the utility model.

[0023] Figure 4 This is a module schematic diagram of the utility model.

[0024] Figure numerals: 1. shell, 2. circuit board, 3. speaker, 4. microphone, 5. sound hole, 6. sound receiving hole, 7. through hole, 8. data transmission interface, 9. charging interface, 10. connecting block, 11. supporting block, 12. elastic supporting member, 13. connecting hole, 14. connecting groove, 15. PC port, 16. reinforcing rib plate. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present utility model are described clearly and completely below. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present utility model.

[0026] It should be noted that all directional indications such as up, down, left, right, front, back... in the embodiments of the utility model are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture as shown in the accompanying drawings. If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0028] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0029] The utility model will now be further described in conjunction with the accompanying drawings.

[0030] Embodiment 1

[0031] Combined with Figure 4 A sound hole 5 is provided on the upper end surface of the shell 1, and a sound receiving hole 6 is provided on one side of the sound hole 5 on the upper end surface of the shell 1. A through hole 7 is provided on the circuit board 2, and the through hole 7 corresponds to the position of the sound hole 5. A speaker 3 is provided in the through hole 7. An audio DSP chip is integrated on the circuit board 2, and a power amplifier module and a Bluetooth EQ processing chip are signal-connected on the audio DSP chip. The power amplifier module is signal-connected to the speaker 3, and the Bluetooth EQ processing chip is signal-connected to the microphone 4. The audio DSP chip is also signal-connected to a HUB processor, and the HUB processor is signal-connected to the data transmission interface 8; the audio DSP chip performs multi-channel sound reception through a differential algorithm, and simultaneously performs voice enhancement and human voice restoration.

[0032] When in use, the microphone 4 receives sound through the sound receiving hole 6 on the housing 1, and the Bluetooth EQ processing chip adjusts the timbre by gaining or attenuating one or more frequency bands of the sound, thereby achieving all-round sound reception. The adjusted sound signal is transmitted to the audio DSP chip for processing, and then amplified by the power amplifier module, and then played through the speaker. The data transmission interface 8 on the housing transmits data to the audio DSP chip through the HUB processor, so that external audio data can also be played.

[0033] Combined with Figure 1-3 The circuit board 2 is connected to the shell 1 through a buffer positioning assembly, and the buffer positioning assembly includes a connecting block 10, a supporting block 11 and an elastic supporting member 12. The connecting block 10 is connected to the shell 1, and the connecting block 10 is connected to the elastic supporting member 12 through the supporting block 11. Connecting holes 13 are provided at the four corners of the circuit board 2, and the elastic supporting member 12 is clamped with the connecting holes 13. A connecting groove 14 is provided on the inner surface of the shell 1, and the connecting block 10 is clamped with the connecting groove 14.

[0034] When in use, the microphone can be placed on a desktop to achieve clear sound reception in all directions without having to be clamped on the collar of the host, making it more convenient to use. The elastic support member 12 on the buffer positioning component is engaged with the connection hole 13 on the circuit board 2 to support the circuit board 2 and improve the impact resistance of the microphone. The connection block 10 of the buffer positioning component is engaged with the connection groove 14 on the housing 1 to facilitate the disassembly and assembly of the buffer positioning component and the circuit board 2.

[0035] Embodiment 2

[0036] Combined with Figure 1-3 A data transmission interface 8 and a charging interface 9 are provided on the side of the shell 1. The data transmission interface 8 and the charging interface 9 are electrically connected to the circuit board 2. The data transmission interface 8 includes a Bluetooth connection and a TYPE C connection. A PC port 15 is also provided on the side of the shell 1. The PC port 15 is connected to the circuit board 2 by signal.

[0037] On the basis of the first embodiment, a Bluetooth connection, a TYPE C connection, a charging interface 9 and a PC port 15 connected to the circuit board 2 signal are set on the shell 1, so as to facilitate the microphone to realize data transmission and charging, and at the same time facilitate its use with the PC.

[0038] The utility model and its implementation are described, and such description is not restrictive. The drawings are only one of the implementations of the utility model, and the actual structure is not limited thereto. In short, if ordinary technicians in the field are inspired by it, without departing from the purpose of the invention of the utility model, they can design a structure and implementation example similar to the technical solution without creativity, which should belong to the protection scope of the utility model.

Claims

1. A desktop live broadcast omnidirectional microphone, comprising a housing (1), a circuit board (2), a speaker (3) and a microphone (4), wherein the housing (1) is provided with the circuit board (2), the speaker (3) and the microphone (4), and characterized in that: The circuit board (2) is connected to the housing (1) through a buffer positioning component; the upper end surface of the housing (1) is provided with a sound-transmitting hole (5); a sound receiving hole (6) is provided on one side of the sound-transmitting hole (5) on the upper end surface of the housing (1); a through hole (7) is provided on the circuit board (2); the through hole (7) corresponds to the position of the sound-transmitting hole (5); a speaker (3) is provided in the through hole (7); the speaker (3) is signal-connected to the circuit board (2); a microphone (4) is provided above the circuit board (2) in the housing (1); the microphone (4) is signal-connected to the circuit board (2); a data transmission interface (8) and a charging interface (9) are provided on the side surface of the housing (1); the data transmission interface (8) and the charging interface (9) are electrically connected to the circuit board (2); The circuit board (2) is integrated with an audio DSP chip, the audio DSP chip is signal-connected to a power amplifier module and a Bluetooth EQ processing chip, the power amplifier module is signal-connected to a speaker (3), the Bluetooth EQ processing chip is signal-connected to a microphone (4), the audio DSP chip is also signal-connected to a HUB processor, and the HUB processor is signal-connected to a data transmission interface (8); The audio DSP chip performs multi-channel sound reception through a differential algorithm, and simultaneously performs speech enhancement and human voice restoration.

2. A desktop live broadcast omnidirectional microphone according to claim 1, characterized in that: The buffer positioning assembly comprises a connecting block (10), a supporting block (11) and an elastic supporting member (12); the connecting block (10) is connected to the housing (1); the connecting block (10) is connected to the elastic supporting member (12) via the supporting block (11); connecting holes (13) are provided at four corners of the circuit board (2); and the elastic supporting member (12) is snap-fitted to the connecting holes (13).

3. A desktop live broadcast omnidirectional microphone according to claim 2, characterized in that: A connecting groove (14) is provided on the inner surface of the shell (1), and the connecting block (10) is snap-connected with the connecting groove (14).

4. The desktop live broadcast omnidirectional microphone according to claim 1, characterized in that: The data transmission interface (8) includes a Bluetooth connection and a TYPE C connection.

5. The desktop live broadcast omnidirectional microphone according to claim 1, characterized in that: A PC port (15) is also provided on the side of the housing (1), and the PC port (15) is connected to the circuit board (2) for signal connection.

6. The desktop live broadcast omnidirectional microphone according to claim 1, characterized in that: A reinforcing rib plate (16) is provided on the inner surface of the side surface of the shell (1).

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