CN211959566U

CN211959566U - Visual acoustic focusing remote microphone pickup system

Info

Publication number: CN211959566U
Application number: CN202020605403.XU
Authority: CN
Inventors: 陈小宝
Original assignee: Shanghai Weicheng Electronic Technology Co ltd
Current assignee: Shanghai Weicheng Electronic Technology Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-11-17
Anticipated expiration: 2030-04-21

Abstract

The utility model relates to a security protection technical field just discloses a visual formula acoustic focusing remote microphone pickup system, including the main control system, the input of main control system is connected with power control module's output electricity, the main control system is connected with the two-way electricity of data storage ware, the output of main control system is connected with the input electricity of display, the input of main control system is connected with the output electricity of input device. This remote microphone pickup system of visual formula acoustic focusing, through being provided with audio video collection module, the phase calibration module, N matrix microphone and acoustic focusing system, be convenient for improve the space sound field focus of N matrix microphone through acoustic focusing system, and utilize the phase calibration module to carry out the self-correction to the phase difference that the unit acoustic focusing of N matrix microphone introduced, audio video collection module is convenient for the quick adjustment source of gathering simultaneously, thereby carry out unique space acoustic focusing to same sound source.

Description

Visual acoustic focusing remote microphone pickup system

Technical Field

The utility model relates to a security protection technical field specifically is a visual formula acoustic focusing remote microphone pickup system.

Background

Security protection, which can be understood as the abbreviation of "security protection", according to the present interpretation of Chinese dictionary, so-called security, which is no danger, no invasion and no accident, so-called prevention, which is protection, guard, which is preparation and guard, which is preparation for dealing with attacks or avoiding damages, guard refers to protection and protection, by combining the above explanations, the following definitions can be given to security protection, which is preparation and protection for dealing with attacks or avoiding damages, so that the protected object is in a safe state without danger, no invasion and no accidents, obviously, the purpose of security is a measure, the purpose of security is achieved or realized by a measure of prevention, which is the basic connotation of security protection, a Security Protection System (SPS) security & protection aims at maintaining social public security, and an intrusion alarm system composed of security protection products and other related products is applied, The system comprises a video security monitoring system, an access control system, a BSV liquid crystal splicing wall system, an entrance guard fire-fighting system, an explosion-proof safety inspection system and the like, or an electronic system or a network formed by combining or integrating the systems as subsystems.

At present, a video security monitoring system in a security system has a very important position and is also a system with a high popularization rate, however, in the using process, the existing video security monitoring system has a very single function, only can simply monitor images and sounds, cannot perform point-to-point monitoring in a noisy environment, does not perform spatial sound focusing on the same sound source, and leads to the fact that a lot of important information cannot be monitored, so that the visual sound focusing remote microphone pickup system is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a visual formula sound focus remote microphone pickup system possesses advantages such as monitoring efficiency height, has solved current video security protection monitored control system function ten minutes singleness, can only simply carry out the control of image and sound, can't carry out point-to-point control in noisy environment, does not possess and carries out space sound focus to same sound source, leads to the problem that a lot of important information can't be monitored.

(II) technical scheme

For realizing the purpose that above-mentioned control is efficient, the utility model provides a following technical scheme: a visual acoustic focusing remote microphone pickup system comprises a control host, wherein the input end of the control host is electrically connected with the output end of a power supply control module, the control host is in bidirectional electric connection with the data memory, the output end of the control host is in electric connection with the input end of the display, the input end of the control host is electrically connected with the output end of the input device, the input end of the control host is electrically connected with the output end of the audio and video acquisition module, the input end of the audio and video acquisition module is electrically connected with the phase calibration module and the output end of the wide-angle camera, the input end of the phase calibration module is electrically connected with the output ends of the N matrix microphones, the output ends of the N matrix microphones are fixedly provided with an acoustic focusing system, the control host is in bidirectional electric connection with the noise suppression module, and the control host is in bidirectional electric connection with the software processing module.

Preferably, the input device is a keyboard and a mouse.

Preferably, the number of the N matrix microphones is set according to actual requirements of a field.

Preferably, the acoustic focusing system is used for focusing the sound field of the N matrix microphones.

Preferably, the audio/video acquisition module is provided with multi-channel voice and video signal acquisition, preprocessing and analog-to-digital conversion.

Preferably, the phase calibration module performs self-correction on phase differences introduced by unit acoustic focusing of the N matrix microphones.

Preferably, the N matrix microphones are high-sensitivity digital sound pickup microphones.

Preferably, the output end of the audio/video acquisition module is electrically connected with the input end of the noise suppression module.

(III) advantageous effects

Compared with the prior art, the utility model provides a visual formula acoustic focusing remote microphone pickup system possesses following beneficial effect:

the visual sound focusing long-distance microphone pickup system is provided with an audio and video acquisition module, a phase calibration module, N matrix microphones and a sound focusing system, so that the spatial sound field focusing of the N matrix microphones is improved through the sound focusing system, the phase calibration module is utilized to carry out self-correction on phase differences introduced by the unit sound focusing of the N matrix microphones, and meanwhile, the audio and video acquisition module is convenient to rapidly adjust an acquisition source, so that the unique spatial sound focusing is carried out on the same sound source, a larger gain effect is achieved, the real-time point-to-point monitoring is realized, a wide-angle camera and a software processing module are arranged, so that the wide-angle camera is convenient to carry out picture acquisition on a monitoring point, meanwhile, the software processing module is utilized to convert a monitoring picture into a video set in an AVI format for recording, the powerful post-processing is realized, and the picture and the audio are comprehensively monitored, through being provided with noise suppression module, be convenient for optimize sound through noise suppression module, can delete other sound sources when selecting the sound source that needs, improve work efficiency under noisy environment, sound is pinpointed, has reached the purpose that monitoring efficiency is high.

Drawings

Fig. 1 is a structural system diagram of a visual acoustic focusing remote microphone pickup system according to the present invention.

In the figure: the system comprises a control host 1, a power control module 2, a data storage 3, a display 4, an input device 5, an audio and video acquisition module 6, a wide-angle camera 7, a phase calibration module 8, matrix microphones 9N, an acoustic focusing system 10, a noise suppression module 11 and a software processing module 12.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, a visual acoustic focusing remote microphone pickup system comprises a control host 1, an input end of the control host 1 is electrically connected with an output end of a power control module 2, the control host 1 is electrically connected with a data storage 3 in a bidirectional manner, an output end of the control host 1 is electrically connected with an input end of a display 4, an input end of the control host 1 is electrically connected with an output end of an input device 5, the input device 5 is a keyboard and a mouse, an input end of the control host 1 is electrically connected with an output end of an audio/video acquisition module 6, the audio/video acquisition module 6 is provided with multi-channel voice and video signal acquisition, pre-processing and analog-to-digital conversion, an input end of the audio/video acquisition module 6 is electrically connected with an output end of a phase calibration module 8 and an output end of a wide-angle camera 7, an input end of the phase calibration module 8 is electrically connected with output ends of N, the output end fixed mounting of N matrix microphone 9 has acoustic focusing system 10, acoustic focusing system 10 is used for the sound field focus of N matrix microphone 9, phase calibration module 8 carries out the self-correction to the phase difference that the unit acoustic focus of N matrix microphone 9 introduced, N matrix microphone 9 is high sensitivity digital pickup microphone, control host 1 is connected with 11 two-way electricity of noise suppression module, the output of audio video collection module 6 is connected with 11 input electricity of noise suppression module, control host 1 is connected with 12 two-way electricity of software processing module.

In summary, the visual acoustic focusing remote microphone pickup system is provided with the audio and video acquisition module 6, the phase calibration module 8, the N matrix microphones 9 and the acoustic focusing system 10, so that the spatial sound field focusing of the N matrix microphones 9 is improved through the acoustic focusing system 10, the phase calibration module 8 is utilized to perform self-calibration on the phase difference introduced by the unit acoustic focusing of the N matrix microphones 9, meanwhile, the audio and video acquisition module 6 is convenient to rapidly adjust the acquisition source, so as to perform unique spatial acoustic focusing on the same sound source, achieve a larger gain effect, realize real-time point-to-point monitoring, the wide-angle camera 7 and the software processing module 12 are provided, so as to perform image acquisition on a monitoring point through the wide-angle camera 7, and simultaneously, the software processing module 12 is utilized to convert the monitoring image into a video set in an AVI format for recording, realize powerful aftertreatment, carry out the omnidirectional control to picture and audio frequency, suppress module 11 through being provided with the noise, be convenient for optimize sound through noise suppression module 11, can delete other sound sources in the sound source of selection needs, improve work efficiency under noisy environment, accurate location sound, the purpose that monitoring efficiency is high has been reached, it is very single to have solved current video security protection monitored control system function, can only simply carry out the control of image and sound, can't carry out point-to-point control in noisy environment, do not possess and carry out the space sound focusing to same sound source, lead to the problem that a lot of important information can't be monitored.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a visual formula acoustic focusing remote microphone pickup system, includes main control system (1), its characterized in that: the input of main control system (1) is connected with the output electricity of power control module (2), main control system (1) is connected with data storage (3) two-way electricity, the output of main control system (1) is connected with the input electricity of display (4), the input of main control system (1) is connected with the output electricity of input device (5), the input of main control system (1) is connected with the output electricity of audio video collection module (6), the input of audio video collection module (6) is connected with phase calibration module (8) and wide angle camera (7) output electricity, phase calibration module (8) input is connected with the output electricity of N matrix microphone (9), the output fixed mounting of N matrix microphone (9) has acoustic focusing system (10), main control system (1) is connected with noise suppression module (11) two-way electricity, the control host (1) is in bidirectional electric connection with the software processing module (12).

2. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the input device (5) is a keyboard and a mouse.

3. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the number of the N matrix microphones (9) is set according to actual requirements on the site.

4. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the acoustic focusing system (10) is used for focusing the sound field of the N matrix microphones (9).

5. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the audio and video acquisition module (6) is provided with multi-channel voice and video signal acquisition, preprocessing and analog-to-digital conversion.

6. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the phase calibration module (8) performs self-calibration on phase differences introduced by unit acoustic focusing of the N matrix microphones (9).

7. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the N matrix microphones (9) are high-sensitivity digital pickup microphones.

8. A visual acoustic focusing distance microphone pickup system as claimed in claim 1 wherein: the output end of the audio and video acquisition module (6) is electrically connected with the input end of the noise suppression module (11).