CN109218640A - A kind of small space meeting central control system and its tuning control method, storage medium - Google Patents
A kind of small space meeting central control system and its tuning control method, storage medium Download PDFInfo
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- CN109218640A CN109218640A CN201811067321.8A CN201811067321A CN109218640A CN 109218640 A CN109218640 A CN 109218640A CN 201811067321 A CN201811067321 A CN 201811067321A CN 109218640 A CN109218640 A CN 109218640A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004590 computer program Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
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- 230000006399 behavior Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
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- 230000003993 interaction Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
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- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/44—Receiver circuitry for the reception of television signals according to analogue transmission standards
- H04N5/60—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals
- H04N5/602—Receiver circuitry for the reception of television signals according to analogue transmission standards for the sound signals for digital sound signals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
Abstract
The invention discloses a kind of small space meeting central control system and its tuning control methods, storage medium, including middle control module, Video Output Modules, video input module, audio output module and Audio Input Modules, the video input module is connect by video processing module with middle control module, the Audio Input Modules and audio output module pass through audio processing modules and connect with middle control module, the audio processing modules use DSP microprocessor, tuning control method includes: to start the small space meeting central control system application of mobile terminal, the audio that outputs and inputs of DSP microprocessor is adjusted in operation interface.Audio processing modules of the present invention use DSP microprocessor, pass through small space meeting central control system on mobile terminal using upper balanced tuning operation interface, the sound quality for exporting conference system is more in line with the demand of people.
Description
Technical field
The present invention relates to multimedia conference systems, and in particular to a kind of small space meeting central control system and its tuning control
Method, storage medium.
Background technique
Small space meeting central control system is very widely used, can meet all types of industry user's demands comprehensively.It can be extensive
Applied to school, army, People's Armed Police, public security, post and telecommunications, traffic, space flight, railway, water conservancy, electric power, security, flood control, petroleum, chemical industry,
The organs such as finance, the tax, industry and commerce, hospital, amusement, security protection, government place.
With the development of science and technology, the information age has been dissolved into the every aspect of our lives, into after 21 century, meeting
System also enters digital times comprehensively, and with the rapid development of digital technology, people require not conference system sound quality
It is disconnected to improve.
Summary of the invention
In view of the above technical problem, the purpose of the present invention is to provide a kind of small space meeting central control system and tuning controls
Method processed, storage medium, solve the problems, such as that people are demanding to conference system sound quality now.
The invention adopts the following technical scheme:
A kind of small space meeting central control system, including middle control module, Video Output Modules, video input module, audio
Output module and Audio Input Modules, the video input module are connect by video processing module with middle control module, the sound
Frequency input module and audio output module pass through audio processing modules and connect with middle control module, and the Video Output Modules are in
Module connection is controlled, the audio processing modules use DSP microprocessor.
Further, the audio output module includes audio linear output module and power amplifier output module.
Further, the Audio Input Modules include linear input module and MIC input audio module.
A kind of tuning control method of small space meeting central control system is also wrapped using small space meeting central control system
Mobile terminal is included, the mobile terminal is connect with middle control module；
Start the small space meeting central control system application of mobile terminal, the application, which is equipped with, carries out balanced tune for user
The operation interface of sound；
The audio that outputs and inputs of DSP microprocessor is adjusted in operation interface.
Further, in operation interface to DSP microprocessor to output and input the step of audio is adjusted specific
Include:
When user is adjusted in operation interface, the bypass of user setting, the mould of user's current operation are obtained respectively
Formula, the frequency of current operation, the gain of current operation, the Q value of current operation, the type of user's current operation；
When a certain bypass is selected, according to the mode of user's current operation of acquisition, the frequency of current operation, current behaviour
The gain of work, the Q value of current operation, the type of user's current operation generate tuning control instruction；
Tuning control instruction is sent to DSP microprocessor by middle control module, to be inputted by DSP microprocessor
Or/and output audio is adjusted.
Further, the type of user's current operation includes channel, gain, Noise gate and the delay of audio.
Further, the mode of user's current operation include user DSP microprocessor input audio is adjusted it is defeated
Enter mode and output mode is adjusted to DSP microprocessor output audio.
A kind of computer storage medium is stored thereon with computer program, when the computer program is executed by processor
Realize the tuning control method of above-mentioned small space meeting central control system.
Compared with prior art, the beneficial effects of the present invention are:
Conference system of the invention makes the sound quality perfection reduction of output, audio mixing level point by using DSP microprocessor
It is bright；
The present invention pass through small space meeting central control system on mobile terminal using upper balanced tuning operation interface, it is right
The audio that outputs and inputs of DSP microprocessor is adjusted, and needs to be adjusted the sound quality of conference system according to user, makes meeting
The sound quality of conference system output is more in line with the demand of people.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of small space meeting central control system of the present invention；
Fig. 2 is a kind of flow diagram of the tuning control method of small space meeting central control system of the present invention；
Wherein, 1, video input module；2, Audio Input Modules；3, video processing module；4, DSP microprocessor；5, sound
Frequency output module；6, Video Output Modules；7, mobile terminal；8, middle control module.
Specific embodiment
In the following, being described further in conjunction with attached drawing and specific embodiment to the present invention, it should be noted that not
Under the premise of conflicting, new implementation can be formed between various embodiments described below or between each technical characteristic in any combination
Example:
Embodiment:
Small space meeting central control system in the application is together simply referred to as MiniCC；It will make specific be situated between to the present invention below
It continues.
It please refers to shown in Fig. 1, a kind of small space meeting central control system, including middle control module 8, Video Output Modules, view
Frequency input module 1, audio output module 5 and Audio Input Modules 2, the video input module 1 by video processing module 3 with
Middle control module 8 connects, and the Audio Input Modules 2 and audio output module 5 are connected by audio processing modules and middle control module 8
It connects, the Video Output Modules are connect with middle control module 8.
The audio output module 5 includes audio linear output module and power amplifier output module.
The Audio Input Modules 2 include linear input module and MIC input audio module.
Preferably, the audio processing modules use DSP microprocessor 4.DSP(digital signal processor)
It is a kind of unique microprocessor, is the device for handling bulk information with digital signal.Its working principle is that receiving simulation letter
Number, 0 or 1 digital signal is converted to, then modify, delete, strengthen to digital signal, and number in other systems chip
Digital data interprets back analogue data or actual environment format.It is not only programmable, and in fact when the speed of service it is reachable
Every number of seconds is with ten million complicated order program, considerably beyond general purpose microprocessor, is become more and more important in the digitalized electron world
Computer chip.Its powerful data-handling capacity and the high speed of service is two most commendable big characteristics.
In this way, linear input and MIC input are handled by advanced algorithm, make to export by DSP microprocessor 4
Sound quality perfection reduction, linear input, MIC input and well arranged, the processing by the HDMI audio signal mixing of 9575 processing
Bass afterwards is sedate, and middle silver is clean, and high pitch is bright.
As specific embodiment, the present invention includes power module, and power module uses direct current 24V, 5A power supply, internal system
It is other module for power supply by voltage stabilizing chip generation ± 12V, 5V, 3.3V, 1.3V voltage；The middle control module 8 is controlled including cloud
Device processed, the cloud controller is equipped at least HDM1 input interface for accessing input signal and at least a HDBaseT is defeated
Incoming interface, and an at least HDM1 output interface and an at least HDBaseT output interface for drawing output signal, the cloud
End signal end is equipped with HDBaseT output interface and HDBaseT input interface, and the HDBaseT output of the cloud signal end connects
Mouth is connect with the HDBaseT input interface of cloud control terminal, and the HDBaseT input interface of the cloud signal end and cloud control
The HDBaseT output interface at end connects.
Middle control module 8 of the invention, is the control centre of this system, and following functions specifically can be achieved: 1) supporting 2 tunnels that can compile
Journey RS-232 interface, can be configured baud rate by APP, check bit, start bit etc., for connect intelligent central control system and
System diagnostics, to control projector；
2) it supports 2 tunnels to may be programmed RS-485 interface, can be configured baud rate by APP, check bit, start bit etc.,
Third parties' control protocol such as projection support machine；
3) it supports 1 road infrared learning mouth, there is infrared remote control learning functionality, facilitate remote operation；
4) 4 tunnels are supported to may be programmed infrared emission mouth, support imports and exports infrared code, it can be achieved that putting to VCR, DVD, CD, MD
The remote control of sound machine and projector etc.；
5) for detecting whether input and output HDMI board has insertion；
6) ethernet module is extended, supports 1 road RJ45 network interface, TCP/IP network interface output, using 1000M network
Transmission, can connect Unitsys cloud interaction platform, and powerful service software management function realizes network-enabled intelligent integrated management control
System；
The present invention supports 1 road HDMI input, connection local video input；Support 2 road HDBaseT input, can external table insert,
Table, which is inserted, supports HDMI 1.4b standard and 1.4 standard of HDCP, and when only 1 road video input, by the road, video is sent to automatically
Host, when being connected to the input of 2 tunnel HDMI videos simultaneously, that road video being finally inserted is sent to host by default, and can be used
" SOURCE SELECT " key manual switching input source on panel is also supported to receive host and keyboard by RS232 signal
Control switching, table plug 1 audio independent input mouth, and external audio signal can be mixed into automatically in HDMI video signal.
The USB interface that table is plugged requires connect to computer, and the USB port on small space meeting central control system connects peripheral hardware,
Realize the remote real-time transparent transmission of USB；Support 1 road USB, 2.0 interface, can external interactive whiteboard, the USB interface needs that table is plugged
Be connected to computer, USB port on small space meeting central control system connection peripheral hardware, it can be achieved that USB remote real-time transparent transmission
Table, which is inserted, can be realized EDID transparent transmission, automatic identification and the EDID for saving display, EDID abbreviation extending display identification
Data can be substituted when the EDID failure of display with built-in EDID；Table is inserted with can be connected by RS-232 and eight keyboard plates,
Pass through eight keyboard plate scene set modes.
The present invention supports 1 road HDMI output, and connection projector, monitor video output are supported 1 road HDBaseT output, can be used
To connect projector, electronics large-size screen monitors；It supports a linear or MIC input, can be configured according to by PC software；Support 1 route
Road output, is applicable in and amplifies on site, external power amplifier or active audio amplifier, supports the output of 2 road 30W digital power amplifiers, can be direct
Connect loudspeaker.Video processing module 3 uses SiI9575CTUC video frequency processing chip, can transmit 1080p and 4k video, at most props up
It holds 6 video sources of switching and 2 output sources is used to a large screen display；Audio processing modules are special using the DSP of profession
It is responsible for audio processing, linear input and MIC input is handled by advanced algorithm, make the sound quality perfection reduction of output, line
Property input, MIC input and by 9575 processing HDMI audio signal mixing it is well arranged, treated, and bass is sedate, middle silver
Completely, high pitch is bright.
A kind of tuning control method of small space meeting central control system of the present invention, using being controlled in above-mentioned small space meeting
System further includes mobile terminal 7, and the mobile terminal 7 is connect by wireless network with middle control module 8；Specifically, mobile terminal 7 can adopt
Use mobile phone；The tuning method to this system is realized by mobile phone control, as shown in Figure 2, comprising the following steps:
Step S100: the small space meeting central control system application of starting mobile terminal 7, the application, which is equipped with, is used for user
Carry out the operation interface of balanced tuning；
Step S200: the audio that outputs and inputs of DSP microprocessor 4 is adjusted in operation interface.Specifically, packet
It includes following:
Step S2001: when user is adjusted in operation interface, the bypass of user setting is obtained respectively, user works as
Mode, the frequency of current operation, the gain of current operation, the Q value of current operation, the type of user's current operation of preceding operation；
Step S2002: when a certain bypass is selected, according to the mode of user's current operation of acquisition, current operation
Frequency, the gain of current operation, the Q value of current operation, the type of user's current operation generate tuning control instruction；The user
The type of current operation includes channel, gain, Noise gate and the delay of audio.The mode of user's current operation includes user couple
The input pattern and output mould is adjusted to the output of DSP microprocessor 4 audio that 4 input audio of DSP microprocessor is adjusted
Formula.The Q value, is also the quality factor of inductance, is the major parameter for measuring inductance component.
Step S2003: being sent to DSP microprocessor 4 by middle control module 8 for tuning control instruction, to pass through the micro- place DSP
Reason device 4 is inputted or/and is exported audio and is adjusted.
It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas
Corresponding change and deformation, and all these changes and deformation all should belong to the protection scope of the claims in the present invention
Within.
Claims (8)
1. a kind of small space meeting central control system, which is characterized in that including middle control module, Video Output Modules, video input
Module, audio output module and Audio Input Modules, the video input module are connected by video processing module and middle control module
It connects, the Audio Input Modules and audio output module pass through audio processing modules and connect with middle control module, and the video is defeated
Module is connect with middle control module out, and the audio processing modules use DSP microprocessor.
2. small space meeting central control system according to claim 1, which is characterized in that the audio output module includes
Audio linear output module and power amplifier output module.
3. small space meeting central control system according to claim 1, which is characterized in that the Audio Input Modules include
Linear input module and MIC input audio module.
4. a kind of tuning control method of small space meeting central control system, which is characterized in that using described in claim 1 small
Type space meeting central control system, further includes mobile terminal, and the mobile terminal is connect with middle control module；
Start the small space meeting central control system application of mobile terminal, the application, which is equipped with, carries out balanced tuning for user
Operation interface；
The audio that outputs and inputs of DSP microprocessor is adjusted in operation interface.
5. the tuning control method of small space meeting central control system according to claim 4, which is characterized in that operating
The step of audio is adjusted that output and input of DSP microprocessor is specifically included on interface:
When user is adjusted in operation interface, obtain respectively the bypass of user setting, the mode of user's current operation, when
The frequency of preceding operation, the gain of current operation, the Q value of current operation, the type of user's current operation；
When a certain bypass is selected, according to the mode of user's current operation of acquisition, the frequency of current operation, current operation
Gain, the Q value of current operation, the type of user's current operation generate tuning control instruction；
Tuning control instruction is sent to DSP microprocessor by middle control module, with by DSP microprocessor carry out input or/
It is adjusted with output audio.
6. the tuning control method of small space meeting central control system according to claim 5, which is characterized in that the use
The type of family current operation includes channel, gain, Noise gate and the delay of audio.
7. the tuning control method of small space meeting central control system according to claim 5, which is characterized in that user works as
Input pattern that the mode of preceding operation, which includes user, is adjusted DSP microprocessor input audio and defeated to DSP microprocessor
Output mode is adjusted in audio out.
8. a kind of computer storage medium, which is characterized in that be stored thereon with computer program, which is characterized in that the calculating
The tuning control such as the described in any item small space meeting central control systems of claim 4-7 is realized when machine program is executed by processor
Method processed.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116153338A (en) * | 2023-04-23 | 2023-05-23 | 深圳市声菲特科技技术有限公司 | Tuning parameter loading method, device, equipment and storage medium |
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Application publication date: 20190115 |