CN110278089A - A kind of wireless session control system and control method and business method based on virtual USB device - Google Patents
A kind of wireless session control system and control method and business method based on virtual USB device Download PDFInfo
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- CN110278089A CN110278089A CN201910521928.7A CN201910521928A CN110278089A CN 110278089 A CN110278089 A CN 110278089A CN 201910521928 A CN201910521928 A CN 201910521928A CN 110278089 A CN110278089 A CN 110278089A
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- host
- usb
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- wireless session
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
- H04L12/1813—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast for computer conferences, e.g. chat rooms
- H04L12/1827—Network arrangements for conference optimisation or adaptation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/16—Implementation or adaptation of Internet protocol [IP], of transmission control protocol [TCP] or of user datagram protocol [UDP]
- H04L69/161—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields
- H04L69/162—Implementation details of TCP/IP or UDP/IP stack architecture; Specification of modified or new header fields involving adaptations of sockets based mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/15—Conference systems
Abstract
The wireless session control system and control method and business method that the invention discloses a kind of based on virtual USB device, belong to wireless session field.Physical connection equipment wiring complexity in realization can be controlled for existing in the prior art, bluetooth conference system needs to increase bluetooth module, the problem of hardware cost increases, the present invention provides include host and equipment end, equipment end includes camera, display, conference telephone and audio/video equipment, host is connect with display by connecting line, and other equipment are connect with host by virtual USB.Host is integrated with simulation USB module in application layer software, and simulation USB module is integrated to control operational order, and equipment end is integrated to control library, host and equipment end connection communication, and realization can control operation.The present invention increases simulation USB module in software layer and is attached communication, and the physics for reducing equipment end connection host relies on, and simplifies plan of the conference, without module is increased on hardware, saves cost.
Description
Technical field
The present invention relates to wireless session fields, more specifically to a kind of wireless session control based on virtual USB device
System and control method processed and business method.
Background technique
Into after 21 century, as the rapid development and people of digital technology are constantly mentioned to what conference system sound quality required
Height, conference system also enter digital times comprehensively, and fully digital conference system comes into being.The core of fully digital conference system
Technology is multi-channel digital audio transmission technology, it uses " analog/digital " transformation technology, directly by the voice of the spokesman picked up
It is converted into digital signal, then will be transmitted on cable after digital signal encoding, and according to the bandwidth condition of transmission cable
Corresponding multiplexing technology is used to realize the simultaneous transmission multipath audio signal on single line cable.
It is currently marketed can control product and need to arrange that host, display, camera, microphone and loudspeaker etc. are many set
Standby, wherein audio & video equipment mainly passes through USB wired mode and host carries out physical connection, and it is clean and tidy and unfavorable to influence meeting room
It is adjusted in the position of equipment, for example sometimes needs to reach better audio & video equipment effect, or personnel positions adjustment can be controlled,
Mobile device is required, in the case where the adjustment of meeting room personnel positions, is limited to the length of connecting line, is not easy to adjustment USB
Audio frequency apparatus position, influences communication effect, and the usb data connecting line having more also influences the clean and tidy of meeting room.
A kind of bluetooth wireless conference system of Chinese patent application, application number 201320491382.3, publication date in January, 2014
15, a kind of bluetooth wireless conference system is disclosed, including bluetooth wireless conference system host and wireless microphone, feature exist
In: it is provided with blue-teeth data in the bluetooth wireless conference system host and transmits/receives module, recording storage control module, audio function
Amplification module, power module, wherein blue-teeth data transmit/receive module respectively with recording storage control module, power module, audio frequency power amplifier
Module electrical connection；The bluetooth wireless conference system host and wireless microphone are electrically connected by wireless signal；The wireless wheat
It is provided with wireless microphone on gram wind ontology and transmits/receives module, wireless microphone indicator light, wireless microphone switch, wireless Mike
Air holes, wireless microphone charging contact.The utility model can couple this equipment for connecing/making a phone call by mobile phone；Wireless wheat
Gram wind can be by being used for loudspeaker with the wireless connections of bluetooth wireless conference system host；By controlling bluetooth wireless conference system
Record button on host can store message or conference content.This method needs to increase bluetooth module branch for host side
It holds, needs to increase hardware cost, for audio frequency apparatus end, VOIP conference audio equipment currently on the market, bluetooth module is not
It is standard configuration, if necessary to support, equipment end is also required to increase hardware cost.
Chinese patent application USB mapping method, the patent No. 200710008858.2 are publication date on September 12nd, 2007, open
A kind of USB mapping method, including server end and client, server and client side are connected with network, are connected to client
The method that the true USB device at end is mapped as a virtual USB device of server end, this method significantly reduce
The development of the USB device driving of research staff at the terminal, while client is also greatly facilitated, client only needs taking
The driver that installation equipment supplier in business device end provides, so that it may the USB device of using terminal access.This method is by equipment
General driving be integrated in terminal, what is communicated between host server and terminal device is URB data, for mobile device requirement
With USB ability, all terminal devices are not particularly suited for, if necessary to support, equipment end also needs to increase hardware cost.
Summary of the invention
1. technical problems to be solved
It can control in realization that the wiring of physical connection equipment is complicated for existing in the prior art, bluetooth conference system needs to increase
Add bluetooth module, existing USB mapping needs terminal to have the problem of USB function, hardware cost increases, and the present invention provides one kind
Wireless session control system and control method and business method based on virtual USB device increase simulation USB in host software layer
Module realizes the connection at USB device end and host using software scenario, and USB device is not limited to VOIP equipment, reduces audio or view
The physics that frequency equipment connects host relies on, and simplifies plan of the conference, without module is increased on hardware, saves cost.
2. technical solution
The purpose of the present invention is achieved through the following technical solutions.
A kind of wireless session control system based on virtual USB device, including host and equipment end, equipment end include camera shooting
Head, display and conference telephone；Host is connect with display by connecting line, and camera and conference telephone pass through void with host
Quasi- USB connection.Host is connect with equipment end by virtual USB, and the company of usb audio or video equipment is realized by software mode
It connects, it is integrated to control system and respective operations.In the case where not increasing hardware cost, the USB data line connection of redundancy, letter are removed
The deployment of meeting is changed.
Further, host is integrated with simulation USB module receiving device end in application layer software and is sent to the logical of host
Letter data.Different from traditional USB mapping, the present invention carries out virtual link in software layer integrated simulation USB module, and equipment end is only
It needs to integrate and can control library, do not need to support USB function, USB function to be realized by the software terminal on host in equipment end.It is simple next
It says, software terminal is the role of USB device, attached the function that conversion is communicated and ordered with equipment, will be received and dispatched by network connection
Meeting control instruction and host on virtual USB summarize interaction data mutually turn, realize equipment end and host communication.
Further, host also connects audio or video equipment by radio connection.Traditional audio and video
Equipment is connected in conference system by data line, is limited to length and the position of connecting line, is not easy to adjustment conference facility
Step, adjustment get up it is comparatively laborious, also influence meeting room whole tidiness.
Further, audio or video equipment and host are wirelessly connected by virtual USB, pass through wireless connection side at present
Connection of the formula to audio or video equipment is attached the transmission with data, host side and equipment end by bluetooth module mostly
Be required to configure corresponding bluetooth module on hardware, however bluetooth module is not the standard configuration of general device, will increase hardware at
This.The connection that virtual USB terminal device is realized by software scenario, without adding new hardware module, reduce data line according to
Rely.
Further, audio or video integration of equipments can control library, realize Conference control.The present invention is set in audio or video
It is standby integrated to control library, library can be controlled and transmitted by virtual USB connection and the data of the simulation USB module of host software layer, realization with
The communication of host, host send data to audio or video equipment by simulating USB module, and audio and video equipment is to corresponding
Data decoding plays；Host side is instructed by simulation USB module transmission Conference control and gives audio or video equipment, is realized to USB
The Conference control of equipment.
Further, simulation USB module includes the communication interface at USB driving and USB device end.Simulate USB module collection
At in the communication software that host is installed, after communication software installation, host is just integrated with the driving of terminal device, equipment end and master
Network communication interaction between machine is operated in conjunction with the basic agreement of USB Audio Class and meeting, customized director data,
Realization can control basic operation instruction.After the communication main thread of software terminal receives the director data of equipment, then converted by virtual USB library
At desired URB data, virtual bus is notified to drive, completes usb communication.
Further, the network connection that system is established is socket connection, and socket is by the operation of TCP/IP layer complexity
It is abstracted as several simple interfaces to call for application layer, and then realizes that process communicates in a network, pass through a two-way communication
Realize the exchange of data.
Further, it after host runs software, by simulation USB module, establishes socket connection and carries out network monitoring,
And in local area network broadcast host IP information, the IP information encapsulates in a particular format, and USB audio & video equipment receives extensively
After broadcasting message, socket connection can be initiated, to establish communications conduit with host side.After the completion of Socket connection is established, simulation
USB module can obtain USB correlation ID to USB device, as the identification code of equipment, to simulate USB device insertion, and in equipment
Indicate that meeting operates relevant designator, the conversion for subsequent meeting operational order in the Report ID of descriptor.
A kind of wireless session control method based on virtual USB device, comprising the following steps:
Step 1: host software integrated simulation USB module, host installation software simulate audio or video equipment, use
Being reported in the acquisition of system audio-video, analog machine initialization procedure with descriptor corresponding can control operational order；Such as volume
The operation such as adjusting, MUTE, HOLD, membership and end, host establish socket connection and carry out network monitoring, and waiting facilities end connects
It connects；
Step 2: audio or video integration of equipments can control library, and virtual USB host is searched in broadcast in local area network after starting；
Library can be controlled to include simulation USB plug and operational order can be controlled；Corresponding Conference control, the UI page are carried out in conjunction with the existing UI page
Newly-increased meeting control interface is had invoked, instruction can be controlled to the software of host by the way that interface transmission can be controlled.
Step 3: user carries out that operation can be controlled in audio or video, can control library and be sent by established socket connection
Communication interface of the data to simulation USB module；
Step 4: after simulation USB module receives equipment end message, corresponding instruction is notified to system in the form of URB
Virtual USB bus equipment completes usb communication, and the communication software of host passes through the information of monitoring system USB device, realizes audio
Conference control operation related to video equipment adjusting etc..
Further, the operation such as operational order, including volume adjustment, MUTE, HOLD, membership and end can be controlled.In nothing
The simulation USB module of the host software layer of line video conferencing system realizes the connection and communication of USB device to host, realization pair
The Conference control of USB device.
On the basis of above technical scheme, inventor also invented a kind of commercial party of wireless session control system sale
Method is routed simply using the wireless session control system physical connection equipment of sale, is not needed to increase bluetooth module, is reduced consumption
The characteristics of cost of person, realizes the sale of product；Its implementation uses front for the wireless session control system sold
Technical solution is realized.
3. beneficial effect
Compared with the prior art, the present invention has the advantages that
Wireless connection based on virtual USB device, the integrated simulation USB module in host installation software, actual equipment
It is connect by establishing socket with software and is communicated, the instruction of communication is changed into USB standard message and sent by the USB module of simulation
Windows USB virtual bus is given, realizes virtual link and the communication of USB.It is realized using software scenario and is not limited to VOIP and sets
Standby USB device reduces the dependence of data line to the connection of host；In the case where not increasing hardware cost, simplify meeting portion
Administration removes the USB data line connection of redundancy, the wireless connection of usb audio or video equipment is realized by software scenario, integrates meeting
Control system realizes the fundamental operation that can be controlled on USB device.
Detailed description of the invention
Fig. 1 is conference system attachment structure schematic diagram of the invention；
Fig. 2 is virtual USB connection schematic diagram of the present invention；
Fig. 3 is inventive network connection schematic diagram.
Specific embodiment
With reference to the accompanying drawings of the specification and specific embodiment, the present invention is described in detail.
Embodiment 1
As shown in Figure 1, a kind of wireless session control system based on virtual USB device, including host and equipment end, equipment
End includes camera, display and conference telephone, and host connect with display by connecting line, camera and conference telephone with
Host is connected by virtual USB.Host is connect with equipment end by virtual USB, realizes usb audio or video by software mode
The connection of equipment, it is integrated to control system and respective operations.In the case where not increasing hardware cost, the usb data of redundancy is removed
Line connection, simplifies the deployment of meeting.
As shown in Fig. 2, the application layer in host installs IM communication software, one simulation USB module of Integrated Simulation is simulated
USB driving and the communication interface with USB device end are integrated in USB module.Simulation USB module is integrated in the communication of host installation
In software, after communication software installation, host is just integrated with the driving of equipment end, in conjunction with the basis association of USB Audio Class
Negotiation meeting operation, custom instruction data realize the realization that can control basic operation instruction.Host side installs software, simulates
Audio and video equipment, for the acquisition of system audio or video data, used descriptor is reported pair during module initialization
The meeting control operational order answered, such as volume adjustment, MUTE, HOLD, membership and end operation.Not with traditional USB mapping mode
Together, the present invention carries out virtual link in software layer integrated simulation USB module, does not need equipment end hardware supported USB function, equipment
Connection and using upper more flexible, as long as it is logical by virtual link to control library accordingly in equipment end installation Integrated Simulation
Letter, USB function are realized by the software terminal on host, and data communication and order conversion are carried out between host and equipment end, will
It instructs the data that virtual USB summarizes interaction on host mutually to turn by the meeting control of network connection transmitting-receiving, realizes equipment end and host
Communication, audio and video equipment connection of the invention do not need have bluetooth module or other hardware in audio or video equipment
Module is supported, the communication of audio or video equipment and host is realized by the connection of application layer software, in audio or video equipment
Terminal realizes playing function.
As shown in figure 3, after host runs software, by simulating USB module, establishes socket and carry out network monitoring, and
The IP information of broadcast host in local area network, the IP information encapsulate in a particular format, and USB audio & video equipment receives broadcast and disappears
After breath, socket connection request can be initiated, establishes communications conduit with host.After the completion of socket connection is established, USB module is simulated
USB correlation ID is obtained to USB device, as the identification code of equipment, to simulate USB device insertion, and in device descriptor
Indicate that meeting operates relevant designator, the conversion for subsequent meeting operational order in Report ID.Host and equipment end
Internetwork connection mode be it is various, the present invention simulate USB module be integrated in application layer software, need host and equipment end to pass through
It communicates after program connection, is preferably connected using socket, host is monitored in a network when connection, and equipment end sends connection request
Connection can be completed by host acknowledgement.
Embodiment 2
According to a kind of control method of the wireless session based on virtual USB device described in embodiment 1, including following step
It is rapid:
In order to simplify the deployment of Web conference, host and equipment are wirelessly connected, hardware cost is not being added
In the case of, the USB data line connection of redundancy is removed, the present embodiment carries out virtual USB connection host and equipment using software mode
End, host install IM communication software, in the application layer software integrated simulation USB module of host, empty with audio or video equipment
When quasi- connection, host simulates audio or video equipment in application layer, for the acquisition of system audio or video, in analog machine
In initialization procedure with descriptor report it is corresponding can control operational order, realize equipment end to the wireless control of meeting；It can control
The operation such as operational order such as equipment end volume adjustment, MUTE, HOLD, membership and end.The configuration of host side software initialization terminates
Afterwards, host establishes socket network connection and carries out network monitoring, monitors the IP information of the broadcast host in local area network simultaneously, broadcast
Host ip information encapsulate in a particular format, waiting facilities end sends connection request after receiving IP information.
Audio or video equipment end is integrated to control library, can control library content and include simulation USB plug and can control operational order；
The operational order that can control includes the operation such as equipment end volume adjustment, MUTE, HOLD, membership and end.Audio or video equipment
Virtual USB host is searched in broadcast in local area network after starting, and after the IP information for receiving the host of being connected, equipment end is to broadcast
The host of the IP information sends connection request, and host is monitored, that is, after receiving the socket connection request of equipment end transmission
It is responded, is attached with equipment end, simulation USB module obtains USB correlation ID to audio or video equipment, as equipment
Identification code, to simulate USB device insertion, virtual USB bus obtains the various descriptors of equipment by simulation USB module, in mould
Quasi- USB module completes enumerating for descriptor, indicates that meeting operates relevant designator in the Report ID of device descriptor,
Conversion for subsequent meeting operational order.After host is connect with present video or video equipment, the socket network of host
Connection closed or the connection request at the other equipment end to be received such as keep listening state.After host is connected with equipment end,
In conjunction with the existing UI page carry out corresponding Conference control, the newly-increased meeting control interface of UI page invocation is sent by that can control interface
Instruction can be controlled to the IM communication software of host, realize the control to wireless conference system.
User carries out that operation can be controlled at audio or video end, can control library by established socket network connection and send control
The communication interface of data processed to simulation USB module will instruct accordingly with URB after simulation USB module receives the message of equipment,
That is the form of USB Request Block is notified to the virtual USB bus equipment of system, and virtual USB bus analyzes the instruction progress
The operation such as operation, including equipment end volume adjustment, MUTE, HOLD, membership and end can be controlled accordingly, realized to wireless session
Simple control operation, IM communication software pass through the information of monitoring system USB device, reach audio or video equipment synchronous adjustment
Effect.
Schematically the invention and embodiments thereof are described above, description is not limiting, not
In the case where spirit or essential characteristics of the invention, the present invention can be realized in other specific forms.Institute in attached drawing
What is shown is also one of the embodiment of the invention, and actual structure is not limited to this, any attached in claim
Icon note should not limit the claims involved.So not departed from if those of ordinary skill in the art are inspired by it
In the case where this creation objective, frame mode similar with the technical solution and embodiment are not inventively designed, it should all
Belong to the protection scope of this patent.In addition, one word of " comprising " is not excluded for other elements or step, "one" word before the component
It is not excluded for including " multiple " element.The multiple element stated in claim to a product can also by an element by software or
Person hardware is realized.The first, the second equal words are used to indicate names, and are not indicated any particular order.
Claims (10)
1. a kind of wireless session control system based on virtual USB device, including host and equipment end, which is characterized in that equipment
End includes camera, display and conference telephone；Host is connected with display by connecting line, camera and conference telephone with
Host is wirelessly connected by virtual USB.
2. a kind of wireless session control system based on virtual USB device according to claim 1, which is characterized in that main
Machine is integrated with the communication data that simulation USB module receiving device end is sent to host in application layer software.
3. a kind of wireless session control system based on virtual USB device according to claim 2, which is characterized in that main
Machine also connects audio or video equipment by radio connection；Audio or video equipment is wirelessly connected with host by virtual USB
It connects.
4. a kind of wireless session control system based on virtual USB device according to claim 3, which is characterized in that sound
Frequency or video equipment, which integrate, can control library, realize Conference control.
5. according to a kind of any wireless session control system based on virtual USB device of claim 2-4, feature exists
In simulation USB module includes the communication interface at USB driving and USB device end.
6. a kind of wireless session control system based on virtual USB device according to claim 1, which is characterized in that be
The vertical network connection of construction in a systematic way is socket connection.
7. a kind of wireless session control system based on virtual USB device according to claim 6, which is characterized in that main
Machine runs software establishes socket monitoring by simulating USB module, and at the IP information of LAN broadcast's host, USB device end
Socket connection request is initiated after receiving broadcast message, establishes connection channel with host after host acknowledgement.
8. a kind of wireless session control method based on virtual USB device, which comprises the following steps:
Step 1: host software integrated simulation USB module, host installation software simulate audio or video equipment, and simulation is set
Standby initialization can control operational order；Host carries out network monitoring, and network connection is established at waiting facilities end；
Step 2: audio or video integration of equipments s, virtual USB host is searched in broadcast in local area network；It includes simulation that library, which can be controlled,
USB plugs and can control operational order；
Step 3: user carries out that operation can be controlled in audio or video, can control library by network connection and send data to simulation USB mould
The communication interface of block；
Step 4: after simulation USB module receives equipment end message, corresponding instruction is notified to the virtual of system in the form of URB
Usb bus equipment completes usb communication.
9. a kind of wireless session control method based on virtual USB device according to claim 8, which is characterized in that meeting
Control the operation such as operational order, including volume adjustment, MUTE, HOLD, membership and end.
10. a kind of business method of wireless session control system sale, which is characterized in that the wireless session control system object of sale
Reason connection equipment wiring is simple, does not need to increase bluetooth module, reduces the cost of consumer；Its implementation is the nothing sold
Line conference control system is realized using the technical solution in any one of claim 1-9.
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| CN110597750A (en) * | 2019-10-29 | 2019-12-20 | 杭州国迈电子科技有限公司 | USB conference device |
| CN113960972A (en) * | 2021-11-09 | 2022-01-21 | 广东科伺智能科技有限公司 | Open type driving and controlling system |
| WO2022087621A1 (en) * | 2020-10-21 | 2022-04-28 | Shure Acquisition Holdings, Inc. | Virtual universal serial bus interface |
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Application publication date: 20190924 |