CN219536257U

CN219536257U - Conference microphone with digital, analog and network triple backup

Info

Publication number: CN219536257U
Application number: CN202320518640.6U
Authority: CN
Inventors: 丁小军
Original assignee: Shenzhen Ruikesi Technology Co ltd
Current assignee: Shenzhen Ruikesi Technology Co ltd
Priority date: 2023-03-17
Filing date: 2023-03-17
Publication date: 2023-08-15
Anticipated expiration: 2033-03-17

Abstract

The utility model relates to the technical field of audio electronic equipment and discloses a conference microphone with triple backups of digital, analog and network, wherein a storage module, an audio acquisition module and a communication module are respectively and electrically connected with an MCU main control module, the audio backup module is respectively and electrically connected with the storage module and the audio acquisition module, the audio acquisition module also comprises an audio processing module, an analog switch module and a network module, and the audio backup module also comprises a digital backup module, an analog backup module and a networked backup module. The utility model can synchronously convert and back up the speech audio information, and can carry out the backup and storage work of digitalization, simulation and networking of the audio information, and workers can convert the speech audio information into the audio information only by extracting the audio signals in the corresponding form according to the own requirements, thereby greatly reducing the difficult intensity of extracting the audio information.

Description

Conference microphone with digital, analog and network triple backup

Technical Field

The utility model relates to the technical field of audio electronic equipment, in particular to a conference microphone with digital, analog and network triple backups.

Background

Microphones are acoustic-electric conversion transducers, which generate voltage by applying sound waves to an electroacoustic element and convert the voltage into electric energy, and are used in various sound amplifying devices, and are widely applied to different places according to different modes, wherein the application of the microphones is more in meeting places, and the existence of the conference microphones is indispensable especially for large meeting places. However, most microphones used in conference places do not have a backup function, after the lecturer finishes the lecture, audio information is often extracted only through videos recorded on site for the lecture content, and in the extracting process of the audio information, distortion and unclear conditions are easily caused when the audio information is extracted due to the influence of noise, and the extracted audio information cannot be conveniently converted into corresponding audio signals. To this end, a person skilled in the art provides a conference microphone with digital, analog, and network triple backup to solve the above-mentioned problems in the background art.

Disclosure of Invention

The utility model mainly aims to provide a conference microphone with digital, analog and network triple backup, which can effectively solve the problem that the existing microphones used in conference places in the background art are inconvenient to extract audio signals because of mostly not having backup functions.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the conference microphone with the triple backups of the digital, analog and network comprises a support, wherein a mounting sleeve is fixed at the top of a supporting rod of the support, a circuit board assembly is mounted in the mounting sleeve, a sound pickup is mounted at the top end of a sleeve of the mounting sleeve opposite to the output end of the circuit board assembly, and a POP filter mechanism right opposite to the sound port end of the sound pickup is mounted in the middle of the sleeve of the mounting sleeve;

the circuit board assembly comprises an MCU main control module, a storage module, an audio acquisition module, an audio backup module and a communication module, wherein,

the storage module, the audio acquisition module and the communication module are respectively and electrically connected with the MCU main control module, and the audio backup module is respectively and electrically connected with the storage module and the audio acquisition module;

the audio acquisition module further comprises an audio processing module, an analog switch module and a network module;

the audio backup module further comprises a digital backup module, an analog backup module and a networked backup module.

As still further aspects of the utility model: the circuit board assembly further comprises a power module, a switch module and a volume adjusting module, wherein the power module, the switch module and the volume adjusting module are respectively and electrically connected with the MCU main control module.

As still further aspects of the utility model: the audio processing module, the analog switch module and the network module are electrically connected with the MCU main control module in sequence;

the digital backup module, the analog backup module and the networked backup module are respectively and electrically connected with the transmission circuits of the audio processing module, the analog switch module and the network module, and the digital backup module, the analog backup module and the networked backup module are sequentially and electrically connected with the storage module.

As still further aspects of the utility model: and a USB reading interface electrically connected with the storage module is arranged on the shell of the support.

As still further aspects of the utility model: the analog switch module adopts a multiplexer of TS3A27518E model, and the network module adopts AN Ethernet physical layer transceiver of AN8720A model.

As still further aspects of the utility model: the bottom of the supporting rod of the support is in an annular symmetrical form and is sequentially provided with a plurality of groups of supporting foot frames.

As still further aspects of the utility model: the POP filter mechanism comprises a guide sliding sleeve arranged in the middle of a support sleeve, a guide sliding rod is fixedly clamped in a penetrating manner in a shaft sleeve of the guide sliding sleeve, a fastening knob matched with the guide sliding rod is screwed at the top of the shaft sleeve of the guide sliding sleeve, an arm strength supporting rod is arranged at the top end of an arm rod of the guide sliding rod, and a POP filter opposite to a sound port end of a pickup is arranged at the top end of the arm rod of the arm strength supporting rod.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the audio information of the audio acquisition module is acquired through the built-in audio backup module in the circuit board assembly, synchronous conversion backup work can be carried out on speech audio information, then the audio processing module, the analog switch module and the network module in the audio acquisition module are sequentially subjected to acquisition conversion of audio signals of the audio processing module, the analog switch module and the network module in the audio backup module, the audio information can be subjected to digital, analog and network three-in-one backup storage work, and a worker can convert the audio information into the audio information only by extracting the audio signals in a corresponding form according to own requirements, so that the difficulty in extracting the audio information is greatly reduced.

2. According to the POP filter mechanism with the adjustable filter direction, the distance direction between the POP filter and the sound pickup can be flexibly regulated and controlled according to the self requirement, so that a speaker can regulate the distance between the POP filter and the sound pickup according to the self speaking voice.

Drawings

Fig. 1 is a schematic diagram of a conference microphone with digital, analog, and network triple backup according to the present utility model;

fig. 2 is a schematic structural diagram of a POP filter mechanism in a conference microphone with digital, analog, and network triple backups according to the present utility model;

fig. 3 is a schematic block diagram of a circuit board assembly in a conference microphone with digital, analog, and network triple backups according to the present utility model;

fig. 4 is a schematic diagram showing the development of a circuit board assembly in a conference microphone with digital, analog, and network triple backups according to the present utility model;

fig. 5 is a circuit diagram of a microphone in a conference call with digital, analog, and network triplex backup in accordance with the present utility model.

In the figure: 1. a support; 2. a support foot rest; 3. installing a cylinder sleeve; 4. a circuit board assembly; 41. an MCU main control module; 42. a power module; 43. a storage module; 44. a switch module; 45. a volume adjustment module; 46. an audio acquisition module; 461. an audio processing module; 462. an analog switch module; 463. a network module; 47. an audio backup module; 471. a digital backup module; 472. a simulated backup module; 473. a networked backup module; 48. a communication module; 5. a sound pickup; 51. an audio pick-up circuit; 52. a bipolar amplifying circuit; 53. an audio conditioning circuit; 6. POP filtering mechanism; 61. a guide sliding sleeve; 62. fastening a knob; 63. a guide slide bar; 64. arm strength supporting rods; 65. POP filters.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, a conference microphone with digital, analog and network triple backup includes a support 1, a mounting sleeve 3 is fixed on the top of a supporting rod of the support 1, a circuit board assembly 4 is mounted inside the mounting sleeve 3, the circuit board assembly 4 includes an MCU main control module 41, a storage module 43, an audio acquisition module 46, an audio backup module 47 and a communication module 48, wherein the storage module 43, the audio acquisition module 46 and the communication module 48 are respectively electrically connected with the MCU main control module 41, the audio backup module 47 is respectively electrically connected with the storage module 43 and the audio acquisition module 46, the audio acquisition module 46 further includes an audio processing module 461, an analog switch module 462 and a network module 463, the audio backup module 47 further includes a digital backup module 471, an analog backup module 472 and a network backup module 473, the audio processing module 461, the analog switch module 462 and the network module 463 are electrically connected with the MCU main control module 41 in sequence, the digital backup module 471, the analog backup module 472 and the network backup module 473 are electrically connected with the transmission circuits of the audio processing module 461, the analog switch module 462 and the network module 463 respectively, the digital backup module 471, the analog backup module 472 and the network backup module 473 are electrically connected with the storage module 43 in sequence, the shell of the support 1 is provided with a USB reading interface electrically connected with the storage module 43, in the embodiment, the digital backup module 471 adopts sampling, quantization and encoding modes to extract and convert the audio signals in the audio processing module 461, the analog backup module 472 adopts one group of methods of convolution, fourier transform and Laplace transform to extract and convert the audio signals in the analog switch module 462, the networked backup module 473 extracts and converts the audio signal in the network module 463 by using one of the methods of hilbert transformation, flat energy envelope extraction and aromatic energy envelope extraction, and the audio information extracted by the digitized backup module 471, the simulated backup module 472 and the networked backup module 473 is backed up and stored in the storage module 43, so that the audio information with different formats can be extracted by using the USB reading interface at the output end of the storage module 43.

In this embodiment, the switching between wired and wireless signal transmission modes of the audio signal can be realized through the hardware modules of the analog switch module 462 and the network module 463, so that the response time occupied by the logic judgment of the MCU master control module 41 can be reduced, the switching between the wired and wireless transmission modes can be realized in a delay-free mode, and the communication quality is improved.

The circuit board assembly 4 further comprises a power module 42, a switch module 44 and a volume adjusting module 45, wherein the power module 42, the switch module 44 and the volume adjusting module 45 are respectively and electrically connected with the MCU main control module 41, in the embodiment, a power interface extending out of a tail seat of the support 1 is arranged at a power end of the power module 42, a switch key extending out of one side of a shell of the support 1 is arranged at an output end of the switch module 44, and a volume button extending out of one side of the shell of the support 1 is arranged at an output end of the volume adjusting module 45.

The working circuit of the pickup 5 is shown in fig. 5 of the specification, the audio pick-up circuit 51 extracts the microphone information, the microphone information is subjected to double amplification by the bipolar amplifying circuit 52, and then the microphone information is regulated by the audio regulating circuit 53 and sent into the circuit board assembly 4, and the microphone has clearer tone quality under the double signal amplification by the bipolar amplifying circuit 52.

The adapter 5 is just installed to the output of circuit board assembly 4 to the sleeve top of installation barrel casing 3, the sleeve mid-mounting of installation barrel casing 3 has just to the POP filter mechanism 6 of adapter 5 sound mouth end, POP filter mechanism 6 is including installing the direction sliding sleeve 61 at support 1 sleeve middle part, the inside through block of axle sleeve of direction sliding sleeve 61 has direction slide bar 63, and the axle sleeve top of direction sliding sleeve 61 is twisted and is connected with the fastening knob 62 with direction slide bar 63 looks adaptation, the arm top of direction slide bar 63 is provided with arm strength branch 64, and arm top of arm strength branch 64 is provided with POP filter 65 just to adapter 5 sound mouth end, in this embodiment, when the person uses the meeting microphone to carry out the speech work, the person of speaking can be according to self travelling comfort, speaking voice size, adjust the distance with adapter 5 sound mouth, then the person of speaking can unscrew the fastening knob 62 in the back, promote direction slide bar 63 and slide back in direction sliding sleeve 61, and in the back-and-forth motion process, the effect on POP filter 65 and 5 sound mouth's POP filter 65 can be adjusted and controlled simultaneously, the person of speaking comfort 65 is convenient.

The support 1's branch bottom is annular symmetry form and arranges in proper order and have set up multiunit supporting foot rest 2, in this embodiment, through adding to establish the multiunit supporting foot rest 2 that is annular symmetry and arrange in support 1 bottom, can improve conference microphone's supporting stability on the one hand, has stable removal supporting property on the other hand, can avoid appearing the condition of empting.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a conference microphone that possesses triplex backup of digit, simulation, network, includes support (1), its characterized in that, branch top of support (1) is fixed with installation barrel casing (3), the internally mounted of installation barrel casing (3) has circuit board subassembly (4), and just installs adapter (5) to the output of circuit board subassembly (4) at the sleeve top of installation barrel casing (3), the sleeve mid-mounting of installation barrel casing (3) has POP filter mechanism (6) just to adapter (5) sound mouth end;

the circuit board assembly (4) comprises an MCU main control module (41), a storage module (43), an audio acquisition module (46), an audio backup module (47) and a communication module (48), wherein,

the storage module (43), the audio acquisition module (46) and the communication module (48) are respectively and electrically connected with the MCU main control module (41), and the audio backup module (47) is respectively and electrically connected with the storage module (43) and the audio acquisition module (46);

the audio acquisition module (46) further comprises an audio processing module (461), an analog switch module (462) and a network module (463);

the audio backup module (47) further comprises a digital backup module (471), an analog backup module (472) and a networked backup module (473).

2. The conference microphone with digital, analog and network triple backup according to claim 1, wherein the circuit board assembly (4) further comprises a power module (42), a switch module (44) and a volume adjusting module (45), wherein the power module (42), the switch module (44) and the volume adjusting module (45) are respectively electrically connected with the MCU main control module (41).

3. The conference microphone with digital, analog and network triple backup according to claim 1, wherein the audio processing module (461), the analog switch module (462) and the network module (463) are electrically connected with the MCU main control module (41) in sequence;

the digital backup module (471), the analog backup module (472) and the networked backup module (473) are electrically connected with the transmission circuits of the audio processing module (461), the analog switch module (462) and the network module (463) respectively, and the digital backup module (471), the analog backup module (472) and the networked backup module (473) are electrically connected with the storage module (43) in sequence.

4. A conference microphone with digital, analog and network triple backup according to claim 3, characterized in that the shell of the support (1) is provided with a USB reading interface electrically connected with the storage module (43).

5. A conference microphone with digital, analog, network triple backup according to claim 3, characterized in that said analog switch module (462) is a multiplexer of the TS3a27518E type, and said network module (463) is AN ethernet physical layer transceiver of the AN8720A type.

6. The conference microphone with digital, analog and network triple backups according to claim 1, wherein a plurality of groups of support foot frames (2) are sequentially arranged at the bottom of the support rod of the support (1) in an annular symmetrical mode.

7. Conference microphone with digital, analog and network triple backups according to claim 1, characterized in that the POP filter mechanism (6) comprises a guide sliding sleeve (61) installed in the middle of the sleeve of the support (1), a guide sliding rod (63) is clamped in the sleeve of the guide sliding sleeve (61), a fastening knob (62) matched with the guide sliding rod (63) is screwed on the top of the sleeve of the guide sliding sleeve (61), an arm strength strut (64) is arranged at the arm rod top of the guide sliding rod (63), and a POP filter (65) opposite to the sound port end of the pickup (5) is arranged at the arm rod top of the arm strength strut (64).