CN102098485A - User video conference system, remote management system and method for carrying out video conference - Google Patents
User video conference system, remote management system and method for carrying out video conference Download PDFInfo
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- CN102098485A CN102098485A CN2009102504365A CN200910250436A CN102098485A CN 102098485 A CN102098485 A CN 102098485A CN 2009102504365 A CN2009102504365 A CN 2009102504365A CN 200910250436 A CN200910250436 A CN 200910250436A CN 102098485 A CN102098485 A CN 102098485A
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- 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
- H04N7/152—Multipoint control units therefor
Abstract
The invention relates to a method for carrying out a multipartite video conference through a network, at least comprising the following steps of: supplying a remote management device, wherein the remote management device can enable a plurality of computer equipments to be managed by one network and control at least one host computer at a controlled end, and each computer equipment is provided with video and audio capturing equipment; judging whether each video and audio capturing equipment receives a voice signal input by a computer user; if so, capturing an image with the quality of a first image by the video and audio capturing equipment; and if not, capturing an image with the quality of a second image by the video and audio capturing equipment, wherein the image data volume captured with the quality of the second image is lower than the image data volume captured with the quality of the first image so that the network data volume is reduced.
Description
Technical field
The invention relates to a kind of multiple-user network video conferencing system, long-distance management system and the method for carrying out video conference, and particularly relevant for a kind of video conferencing system of multiple-user network cheaply, long-distance management system and carry out the method for the network teleconference.
Background technology
Along with the rise and the technical progress of network, video conferencing system has been commonly used to carry out the real-time network communication of cross-region.Existing video conferencing system generally provides ad hoc mode or multi-endpoint pattern.Yet, when adopting the multi-endpoint pattern, existing video conferencing system must pass through a multipoint control unit (multipoint control unit, MCU), come the transmission data of each end points are carried out integrated and load balance, to solve the Network Transmission problem of multi-user's video conference.
Please refer to Fig. 1, it illustrates the schematic diagram of a conventional video conference system.Video conferencing system 100 comprises a multipoint control unit 110, one first computer equipment 122, one second computer equipment 124 and one the 3rd computer equipment 126.Because traditional video conferencing system 100 is balanced for the transmission data of each end points (122,124 and 126), thus multipoint control unit 110 need to the transmission sequencing of first computer equipment 122, second computer equipment 124 and the 3rd computer equipment 126, make again, mix and transmit and coordinate and control.Now lift first computer equipment 122 and be example, multipoint control unit 110 need receive its view data of uploading from first computer equipment 122, and transmits image, audio frequency or other data uploaded by second computer equipment 124 and the 3rd computer equipment 126 and give first computer equipment 122.That is only at single end points (for example 122), multipoint control unit 110 needs to handle 3 tunnel transmission data.For 3 end points, multipoint control unit 110 needs to handle the transmitted data amount of at least 9 units.
Because multipoint control unit 110 need carry out integrated and load balance to the transmission data of each end points, also must possess multichannel to upload/disposal ability of data download, therefore the performance requirement of multipoint control unit 110 is very high, its price is also high, and the expense that causes the participant of video conferencing system to buy or rent multipoint control unit becomes a kind of burden.
Summary of the invention
The invention relates to a kind of multiple-user network video conferencing system and the method for utilizing a long-distance management system and carrying out the multiple-user network video conference, utilize long-distance management device of the present invention dynamically to adjust in order to capture the capturing images parameter of image, so be minimized the network data transmission amount.
According to a first aspect of the invention, propose a kind of multi-user's video conferencing system, comprise one first user at least and hold program, one second user to hold program, one the 3rd user to hold program, a KVM switch and a dynamic image adjusting module.First user's end program is executed on one first computer equipment, and first computer equipment comprises one first video and audio capturing device.Second user's end program is executed on one second computer equipment, and second computer equipment comprises one second video and audio capturing device.The 3rd user's end program is executed on one the 3rd computer equipment, and the 3rd computer equipment comprises one the 3rd video and audio capturing device.Telemanagement management devices KVM switch is connected at least one controlled terminal main frame, and is connected to first computer equipment, second computer equipment and the 3rd computer equipment via a network.Wherein, first computer equipment, second computer equipment and the 3rd computer equipment are via setting up multi-party communication to carry out video conference, and the dynamic image adjusting module is according to first computer equipment, whether second computer equipment and the 3rd computer equipment receive a voice signal, or first computer equipment, the computer usefulness of second computer equipment and the 3rd computer equipment or network connectivity download/upload speed and set up one group of corresponding image acquisition parameter make the video and audio capturing device of winning, second video and audio capturing device and the 3rd video and audio capturing device are according to this group image acquisition parameter acquisition and images of correspondence.
According to a second aspect of the invention, propose a kind of method of carrying out video conference, comprise the following step at least.Provide one first user to hold program, one second user to hold program, one the 3rd user to hold program, a telemanagement management devices and a dynamic image adjusting module.Wherein first user's end program is executed on one first computer equipment, first computer equipment comprises one first video and audio capturing device, second user's end program is executed on one second computer equipment, second computer equipment comprises one second video and audio capturing device, the 3rd user's end program is executed on one the 3rd computer equipment, and the 3rd computer equipment comprises one the 3rd video and audio capturing device.The telemanagement management devices is connected at least one controlled terminal main frame and is connected to first computer equipment, second computer equipment and the 3rd computer equipment via a network.One of first computer equipment, second computer equipment and the 3rd computer equipment send a video conference request instruction to the telemanagement management devices, make the computer equipment of winning, second computer equipment and the 3rd computer equipment set up multi-party communication to carry out video conference via the telemanagement management devices.Whether the dynamic image adjusting module receives a voice signal according to first computer equipment, second computer equipment and the 3rd computer equipment, or the computer usefulness of first computer equipment, second computer equipment and the 3rd computer equipment or network connectivity download/upload speed and set up one group of corresponding image acquisition parameter, make the video and audio capturing device of winning, second video and audio capturing device and the 3rd video and audio capturing device this group image acquisition parameter acquisition and images according to correspondence.
According to a third aspect of the invention we, propose a kind of long-distance management system, comprise a long-distance management device at least, one first user holds program, one second user to hold program and one the 3rd user to hold program.Long-distance management device is connected at least one controlled terminal main frame.First user's end program is executed on one first computer equipment, make first computer equipment and control the controlled terminal main frame via a network management long-distance management device, and first computer equipment has one first audio/video acquisition equipment.Second user's end program is executed on one second computer equipment, make second computer equipment and control the controlled terminal main frame via the network management long-distance management device, and second computer equipment has one second audio/video acquisition equipment.The 3rd user holds program, is executed on one the 3rd computer equipment, make the 3rd computer equipment and control the controlled terminal main frame via the network management long-distance management device, and the 3rd computer equipment has one the 3rd audio/video acquisition equipment.Wherein, the user of first computer equipment, second computer equipment and the 3rd computer equipment can carry out video conference by long-distance management system.Wherein,, the first audio/video acquisition equipment, the second audio/video acquisition equipment or the 3rd audio/video acquisition equipment receives voice signal, then with first picture quality acquisition image if being judged.Wherein, if being judged, the first audio/video acquisition equipment, the second audio/video acquisition equipment or the 3rd audio/video acquisition equipment do not receive voice signal, then with second picture quality acquisition image, wherein the image data amount that is captured with second picture quality is low than the image data amount that is captured with first picture quality, so that reduce the network data transmission amount.
According to a forth aspect of the invention, propose a kind of method of carrying out video conference, comprise the following step at least.One long-distance management device is provided, and long-distance management device makes many computer equipments and control at least one controlled terminal main frame via a network management, and each computer equipment has an audio/video acquisition equipment.Judge whether each audio/video acquisition equipment receives a voice signal.If have, then audio/video acquisition equipment is with one first picture quality acquisition image.If do not have, then audio/video acquisition equipment is with one second picture quality acquisition image.Wherein, the image data amount that is captured with second picture quality is low than the image data amount that is captured with first picture quality.
For foregoing of the present invention can be become apparent, a preferred embodiment cited below particularly, and cooperate appended graphicly, be described in detail below.
Description of drawings
Fig. 1 illustrates the schematic diagram of conventional video conference system.
Fig. 2 illustrates the schematic diagram according to multi-user's video conferencing system of preferred embodiment of the present invention.
Fig. 3 illustrates the flow chart according to the method for carrying out video conference of preferred embodiment of the present invention.
Fig. 4 A illustrates the transmitted data amount table of conventional video conference system.
Fig. 4 B illustrates the transmitted data amount table according to multi-user's video conferencing system of preferred embodiment of the present invention.
[main element label declaration]
100: video conferencing system
110: multipoint control unit
122,212: the first computer equipments
124,214: the second computer equipments
126,216: the three computer equipments
200: multi-user's video conferencing system
220: long-distance management device
225: the dynamic image adjusting module
230: network
242～246: the controlled terminal main frame
252: the first video and audio capturing devices
254: the second video and audio capturing devices
256: the three video and audio capturing devices
Embodiment
The invention provides a kind of multiple-user network video conferencing system, long-distance management system and carry out the method for the network teleconference, utilize long-distance management device dynamically to adjust in order to capture the capturing images parameter of image, coordinate so do not need multipoint control unit to carry out data, so reduced the network data amount and reduce cost.
Please refer to Fig. 2, it illustrates the schematic diagram according to multi-user's video conferencing system of preferred embodiment of the present invention.Multi-user's video conferencing system 200 is essentially a long-distance management system, and it comprises that at least one first user holds program, one second user to hold program, one the 3rd user to hold program, a long-distance management device 220 and a dynamic image adjusting module 225.Long-distance management device 220 can be a network-type KVM switch (keyboard-video-mouse Switch).Long-distance management device 220 is connected at least one controlled terminal main frame (for example 242,244 and 246), but its quantity and unrestricted.Long-distance management device 220 and be connected to first computer equipment 212, one second computer equipment 214 and one the 3rd computer equipment 216 via a network 230.Network 230 for example is an internet or a LAN.Dynamic image adjusting module 225 is to do explanation to be integrated in the long-distance management device 220 in Fig. 2, yet dynamic image adjusting module 225 can also hold program, second user to hold program and the 3rd user to hold the part of program to be formed jointly by first user.When dynamic image adjusting module 225 was integrated in the long-distance management device 220, this dynamic image adjusting module 225 telemanagement was for this reason adorned 220 a hardware, firmware or software or its combination.For example 220 functions that can be carried out following dynamic image adjusting module 225 by the suitable procedure code of its central processing unit collocation are adorned in this telemanagement.
This long-distance management device comprises a network interface and a computer interface.Wherein this network interface can further comprise a RJ-45 connectivity port, and in order to connecting a CAT-5 grid line, but this network interface also can be a radio network interface, and this radio network interface can comprise a wireless transceiver and an antenna.This computer interface can comprise at least one group of keyboard/mouse connectivity port, an image connectivity port with and/or an audio frequency connectivity port.This keyboard/mouse connectivity port can be a PS/2 connectivity port or a usb connecting port, and it can be provided at the interface of transmission keyboard between controlled terminal main frame and the long-distance management device 220.This image connectivity port can be a VGA connectivity port, DVI connectivity port, HDMI connectivity port or other any suitable image transmit port.In a preferred embodiment, this long-distance management device can be a network-type KVM switch.
First user's end program is performed on first computer equipment 212, makes the computer equipment 212 of winning and control controlled terminal main frame 242～246 via network 230 management long-distance management devices 220.For example first computer equipment 212 can be sent to controlled terminal main frame 242～246 via network and long-distance management device with its keyboard, and controlled terminal main frame 242～246 is in response in the keyboard of first computer equipment 212 and its picture signal is sent to first computer equipment 212 via long-distance management device and network then.First computer equipment 212 comprises a main frame, an input unit or cursor control device (for example keyboard/mouse), a screen and one first video and audio capturing device 252 (for example network camera and microphone) at least.In more detail, first user program of holding can be converted to the keyboard of first computer equipment 212 output network package (network package that for example meets the TCP/IP form) being uploaded to network, and the image package of automatic network is converted to the acceptable general analog or digital picture signal of computer screen in the future.The controlled terminal main frame 242～246 that first computer equipment 212 like this just can be connected via this long-distance management device and long-distance management device of network control.In addition, this long-distance management device is converted to the image package of network format and is uploaded to network after the general analog or digital picture signal of controlled terminal main frame 242～246 output is handled (for example carrying out digitlization and compression), and the keyboard/mouse package of automatic network is converted to the keyboard of the readable network of controlled terminal main frame 242～246 in the future.
In addition, second user's end program is performed on second computer equipment 214, makes that second computer equipment 214 can be via network 230 management long-distance management devices 220 and control controlled terminal main frame 242～246.Second computer equipment 214 comprises a main frame, a screen and one second video and audio capturing device 254 (for example network camera and microphone) at least.The 3rd user's end program is performed on the 3rd computer equipment 216, makes that the 3rd computer equipment 216 can be via network 230 management long-distance management devices 220 and control controlled terminal main frame 242～246.The 3rd computer equipment 216 comprises a main frame, a screen and one the 3rd video and audio capturing device 256 (for example network camera and microphone) at least.Wherein second user function of holding program and the 3rd user program of holding to possess holds program identical with above-mentioned first user.
Please be simultaneously with reference to Fig. 2 and Fig. 3, wherein Fig. 3 is the flow chart that illustrates according to the method for carrying out video conference of preferred embodiment of the present invention.In step S300, the either party of first computer equipment 212, second computer equipment 214 and the 3rd computer equipment 216 sends a video conference request instruction to long-distance management device 220, makes win computer equipment 212, second computer equipment 214 and the 3rd computer equipment 216 set up multi-party communication to carry out video conference via long-distance management device 220.In step S310, dynamic image adjusting module 225 is obtained the picture sampling rate (computer usefulness) of each computer equipment 212～256 by each video and audio capturing device 252～256.In step S320, dynamic image adjusting module 225 is obtained the network connectivity download/upload speed of each computer equipment 212～256.In step S330, judge whether first computer equipment 212, second computer equipment 214 and the 3rd computer equipment 216 receive the voice signal that its computer user is imported.In the present embodiment, the user who receives the computer equipment of voice signal can be considered as the temporary transient leader of video conference, its picture signal of uploading will be enjoyed preferable picture quality.
In step S340, whether dynamic image adjusting module 225 receives a voice signal according to first computer equipment 212, second computer equipment 214 and the 3rd computer equipment 216, or the computer usefulness of first computer equipment 212, second computer equipment 214 and the 3rd computer equipment 216 or network connectivity download/upload speed and dynamically set up one group of corresponding image acquisition parameter.Wherein, selected in the group that each group image acquisition parameter is made up of a picture sampling rate, a picture update rate, a picture pixel and a picture size.In step S350, first video and audio capturing device 252, second video and audio capturing device 254 and the 3rd video and audio capturing device 256 are according to each self-corresponding should group image acquisition parameter acquisition and images.Wherein, the image that a certain computer equipment is uploaded can be downloaded to other computer equipment via long-distance management device 220, can also directly not utilize similar point-to-point transmission technology to transmit via long-distance management device 220.
Below describe for example now.If being judged, first video and audio capturing device 252 of first computer equipment 212 receives voice signal, and second video and audio capturing device 254 of second computer equipment 214 and the 3rd video and audio capturing device 256 of the 3rd computer equipment 216 are judged does not receive voice signal, then the user of first computer equipment 212 is regarded as the spokesman and the leader of video conference, carry out capturing images so dynamic image adjusting module 225 can be set first video and audio capturing device 252 with hi-vision acquisition parameter, and set second video and audio capturing device 254 and the 3rd video and audio capturing device 256 carries out capturing images with low capturing images parameter.That is first video and audio capturing device 252 is with one first picture quality acquisition image, and second video and audio capturing device 254 and the 3rd video and audio capturing device 256 are with one second picture quality acquisition image.Wherein, the image data amount that is captured with second picture quality is low than the image data amount that is captured with first picture quality.Hereat, the image data amount of not receiving computer equipment 214 and 216 network that is uploaded in the unit interval of voice signal can receive that computer equipment 212 institute's image transmitted data volume in the unit interval of voice signal is low.For example, if the data volume uploaded of hypothesis first computer equipment 212 is one, then the data volume uploaded of second computer equipment 214 or the 3rd computer equipment 216 can be adjusted to 1/2nd or even 1/3rd.The factor or the capturing images parameter of decision picture quality comprise at least in the preferred embodiment of the present invention: the total pixel of picture, resolution (resolution), image sampling rate (sampling rate), renewal frequency (refresh rate), compression ratio etc.For example, the image update frequency of first computer equipment 212 may be up to 60KHz, and the image update frequency of second computer equipment 214 or the 3rd computer equipment 216 may only have 30KHz.
Similarly, if first computer equipment 212 is judged the preferable computer usefulness of tool, and second computer equipment 214 and the 3rd computer equipment 216 are judged the relatively poor computer usefulness of tool, then dynamic image adjusting module 225 is set first video and audio capturing device 252 and is carried out capturing images with hi-vision acquisition parameter, and sets second video and audio capturing device 254 and the 3rd video and audio capturing device 256 carries out capturing images with low capturing images parameter.Hereat, the computer equipment 214 and 216 of the relatively poor computer usefulness of tool institute's image transmitted data volume in the unit interval is low than computer equipment 212 institute's image transmitted data volume in the unit interval of the preferable computer usefulness of tool.This computer usefulness can be judged by its central processing unit frequency speed, Dram capacity, display card usefulness or network card usefulness etc.
Similarly, if first computer equipment 212 is judged the preferable network connectivity download/upload of tool speed, second computer equipment 214 and the 3rd computer equipment 216 are judged the relatively poor network connectivity download/upload of tool speed, then dynamic image adjusting module 225 is set first video and audio capturing device 252 and is carried out capturing images with hi-vision acquisition parameter, and sets second video and audio capturing device 254 and the 3rd video and audio capturing device 256 carries out capturing images with low capturing images parameter.Hereat, the image data amount of computer equipment 214 and 216 network that is uploaded in the unit interval of the relatively poor network connectivity download/upload of tool speed is low than the computer equipment 212 of the preferable network connectivity download/upload of tool speed is uploaded to network in the unit interval image data amount.For example, with Modem (speed of download only has 56K) be its picture quality of uploading of user of equipment for surfing the net can be that the user's of equipment for surfing the net picture quality be uploaded to poor with ADSL (speed of download is 2M at least) or optical fiber.
Now voice signal is received in supposition only first computer equipment 212, and does not receive that computer equipment 214 and 216 institute's image transmitted data volume in the unit interval of voice signal receives that computer equipment 212 institute's image transmitted data volume in the unit interval of voice signal is low and is set to half.Compared to not using under the situation of the present invention, be reduced to the transmission data (that is half reception data volume * 2 of complete output data quantity * 1+ or the complete reception data volume of half reception data volume * 1+ of half output data quantity * 1+ * 1) of 2 units at the transmitted data amount of single end points.Please refer to Fig. 4 A and Fig. 4 B, Fig. 4 A illustrates the transmitted data amount table of conventional video conference system, and Fig. 4 B illustrates the transmitted data amount table according to multi-user's video conferencing system of preferred embodiment of the present invention.For 3 end points, total transmitted data amount of multi-user's video conferencing system 200 is reduced to the transmitted data amount of 6 units, and 9 more traditional units have reduced by 33% transmitted data amount.In addition, if user's quantity increases to 4, the total amount of data of then uploading/downloading also can be reduced to 8 units by 16 units.In other words, user's quantity is many more, and then the total amount of data of uploading/downloading of Jian Shaoing is many more more.It should be noted that above-mentioned three kinds of bases for estimation can select one and carry out, is not that three kinds of judgment modes all need to use simultaneously, and above-mentioned three kinds of judgment modes also do not have the relation on the priority.
In addition, if the dynamic image adjusting module holds program, second user to hold program and the 3rd user to hold the part of program to be formed jointly by first user, then first user holds program, second user to hold program and the 3rd user program of holding can exchange messages with common foundation each other and manages above-mentioned capturing images parameter.On the other hand, owing in fact long-distance management device 220 does not need the transmission data of each end points are carried out integrated and load balance, so can further reduce performance requirement for long-distance management device 200.
Another possibility embodiment holds program, second user to hold in program and the 3rd user's end program by first user to choose one as main control end, be responsible for setting up and managing above-mentioned capturing images parameter by it, dynamically to adjust the network data transmission amount of whole video conference system.
The disclosed multiple-user network video conferencing system of the above embodiment of the present invention, long-distance management system and carry out the method for the network teleconference have multiple advantages, below only enumerate the part advantage and are described as follows:
Multiple-user network video conferencing system of the present invention, long-distance management system and carry out the method for the network teleconference, utilize long-distance management device to set up multi-user's video conference, and in video conference by the dynamic image adjusting module, adjust the capturing images parameter of each end points according to voice status, computer usefulness or the network quality of each end points, do not need long-distance management device to carry out data and coordinate, so reduced the network data transmission amount and reduce cost.
In sum, though the present invention discloses as above with a preferred embodiment, so it is not in order to limit the present invention.The persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the present invention, when being used for a variety of modifications and variations.Therefore, protection scope of the present invention is as the criterion when looking appended the claim scope person of defining.
Claims (10)
1. multi-user's video conferencing system comprises at least:
One first user holds program, is executed on one first computer equipment, and this first computer equipment comprises one first video and audio capturing device;
One second user holds program, is executed on one second computer equipment, and this second computer equipment comprises one second video and audio capturing device;
One the 3rd user holds program, is executed on one the 3rd computer equipment, and the 3rd computer equipment comprises one the 3rd video and audio capturing device;
One KVM switch is connected at least one controlled terminal main frame, and is connected to this first computer equipment, this second computer equipment and the 3rd computer equipment via a network; And
One dynamic image adjusting module;
Wherein, this first computer equipment, this second computer equipment and the 3rd computer equipment are set up multi-party communication to carry out video conference via this KVM switch, and this dynamic image adjusting module is according to this first computer equipment, whether this second computer equipment and the 3rd computer equipment receive a voice signal, or this first computer equipment, the computer usefulness of this second computer equipment and the 3rd computer equipment or network connectivity download/upload speed and set up one group of corresponding image acquisition parameter make this first video and audio capturing device, this second video and audio capturing device and the 3rd video and audio capturing device are according to this group image acquisition parameter acquisition and images of correspondence.
2. multi-user's video conferencing system according to claim 1, wherein this dynamic image adjusting module is adjusted this corresponding group image acquisition parameter, and the feasible computer equipment institute's image transmitted data volume in the unit interval of this voice signal of not receiving receives that computer equipment institute's image transmitted data volume in the unit interval of this voice signal is low.
3. multi-user's video conferencing system according to claim 1, wherein this dynamic image adjusting module is adjusted this corresponding group image acquisition parameter, makes that the computer equipment of the relatively poor computer usefulness of tool institute's image transmitted data volume in the unit interval is low than computer equipment institute's image transmitted data volume in the unit interval of the preferable computer usefulness of tool.
4. multi-user's video conferencing system according to claim 1, wherein this dynamic image adjusting module is adjusted this corresponding group image acquisition parameter, makes that the computer equipment of the relatively poor network connectivity download/upload of tool speed institute's image transmitted data volume in the unit interval is low than computer equipment institute's image transmitted data volume in the unit interval of the preferable network connectivity download/upload of tool speed.
5. multi-user's video conferencing system according to claim 1, wherein selected in the group that each group image acquisition parameter is made up of a picture sampling rate, a picture update rate, a picture pixel and a picture size.
6. multi-user's video conferencing system according to claim 1, wherein this first user program of holding also makes this first computer equipment can manage and control this KVM switch and this controlled terminal main frame, this second user program of holding also makes this second computer equipment can manage and control this KVM switch and this controlled terminal main frame, and the 3rd user program of holding also makes the 3rd computer equipment can manage and control this KVM switch and this controlled terminal main frame.
7. method of carrying out video conference comprises the following step at least:
Provide one first user to hold program, one second user holds program, one the 3rd user holds program, one KVM switch and a dynamic image adjusting module, wherein this first user end program is executed on one first computer equipment, this first computer equipment comprises one first video and audio capturing device, this second user end program is executed on one second computer equipment, this second computer equipment comprises one second video and audio capturing device, the 3rd user's end program is executed on one the 3rd computer equipment, the 3rd computer equipment comprises one the 3rd video and audio capturing device, and this KVM switch is connected at least one controlled terminal main frame and is connected to this first computer equipment via a network, this second computer equipment and the 3rd computer equipment;
One of this first computer equipment, this second computer equipment and the 3rd computer equipment send a video conference request instruction to this KVM switch, make this first computer equipment, this second computer equipment and the 3rd computer equipment set up multi-party communication to carry out video conference via this KVM switch; And
Whether this dynamic image adjusting module receives a voice signal according to this first computer equipment, this second computer equipment and the 3rd computer equipment, or the computer usefulness of this first computer equipment, this second computer equipment and the 3rd computer equipment or network connectivity download/upload speed and set up one group of corresponding image acquisition parameter, make this first video and audio capturing device, this second video and audio capturing device and the 3rd video and audio capturing device according to this group image acquisition parameter acquisition of correspondence images also.
8. method of carrying out video conference according to claim 7 also comprises:
This dynamic image adjusting module is adjusted this corresponding group image acquisition parameter, and the feasible computer equipment institute's image transmitted data volume in the unit interval of this voice signal of not receiving receives that computer equipment institute's image transmitted data volume in the unit interval of this voice signal is low;
This dynamic image adjusting module is adjusted this corresponding group image acquisition parameter, makes that the computer equipment of the relatively poor computer usefulness of tool institute's image transmitted data volume in the unit interval is low than computer equipment institute's image transmitted data volume in the unit interval of the preferable computer usefulness of tool; And
This dynamic image adjusting module is adjusted this corresponding group image acquisition parameter, makes that the computer equipment of the relatively poor network connectivity download/upload of tool speed institute's image transmitted data volume in the unit interval is low than computer equipment institute's image transmitted data volume in the unit interval of the preferable network connectivity download/upload of tool speed.
9. long-distance management system comprises at least:
One long-distance management device is connected at least one controlled terminal main frame;
One first user holds program, is executed on one first computer equipment, make this first computer equipment and control this controlled terminal main frame via this long-distance management device of a network management, and this first computer equipment has one first audio/video acquisition equipment;
One second user holds program, is executed on one second computer equipment, make this second computer equipment and control this controlled terminal main frame via this long-distance management device of this network management, and this second computer equipment has one second audio/video acquisition equipment; And
One the 3rd user holds program, is executed on one the 3rd computer equipment, make the 3rd computer equipment and control this controlled terminal main frame via this long-distance management device of this network management, and the 3rd computer equipment has one the 3rd audio/video acquisition equipment;
Wherein, the user of this first computer equipment, this second computer equipment and the 3rd computer equipment can carry out video conference by this long-distance management system;
Wherein,, this first audio/video acquisition equipment, this second audio/video acquisition equipment or the 3rd audio/video acquisition equipment receives voice signal if being judged, and then should be with first picture quality acquisition image;
Wherein, if being judged, this first audio/video acquisition equipment, this second audio/video acquisition equipment or the 3rd audio/video acquisition equipment do not receive voice signal,, be low than the image data amount that is captured with this first picture quality wherein then with the image data amount that this second picture quality is captured with second picture quality acquisition image.
10. method of carrying out video conference comprises the following step at least:
One long-distance management device is provided, and this long-distance management device makes many computer equipments and control at least one controlled terminal main frame via a network management, and each this computer equipment has an audio/video acquisition equipment; And
Judge whether each this audio/video acquisition equipment receives a voice signal, if having, then this audio/video acquisition equipment is with one first picture quality acquisition image, if do not have, then this audio/video acquisition equipment is with one second picture quality acquisition image;
Wherein, the image data amount that is captured with this second picture quality is low than the image data amount that is captured with this first picture quality.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009102504365A CN102098485A (en) | 2009-12-09 | 2009-12-09 | User video conference system, remote management system and method for carrying out video conference |
| CN201610086862.XA CN105516643A (en) | 2009-12-09 | 2009-12-09 | User video conference system, remote management system and method for performing video conference |
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| CN2009102504365A CN102098485A (en) | 2009-12-09 | 2009-12-09 | User video conference system, remote management system and method for carrying out video conference |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102739783A (en) * | 2012-06-14 | 2012-10-17 | 北京真视通科技股份有限公司 | Method for automatically combining meeting information |
| CN103186249A (en) * | 2011-12-30 | 2013-07-03 | 宏正自动科技股份有限公司 | Remote management system and remote management method |
| CN104410918A (en) * | 2014-12-09 | 2015-03-11 | 广州华多网络科技有限公司 | Method and device for adjusting parameters of live video |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2005069896A2 (en) * | 2004-01-16 | 2005-08-04 | Clique Communications Llc | System and method for dynamically configured, asymmetric endpoint video exchange |
| JP4455405B2 (en) * | 2005-05-27 | 2010-04-21 | エヌ・ティ・ティ・コミュニケーションズ株式会社 | Video communication device, video distribution server, interactive video communication system, and program |
| US8307290B2 (en) * | 2005-12-27 | 2012-11-06 | Aten International Co., Ltd. | Remote control device and method |
| US7822811B2 (en) * | 2006-06-16 | 2010-10-26 | Microsoft Corporation | Performance enhancements for video conferencing |
| JP2009260412A (en) * | 2008-04-11 | 2009-11-05 | Yamaha Corp | Communication system |
| CN101478642A (en) * | 2009-01-14 | 2009-07-08 | 镇江畅联通信科技有限公司 | Multi-picture mixing method and apparatus for video meeting system |
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- 2009-12-09 CN CN201610086862.XA patent/CN105516643A/en active Pending
- 2009-12-09 CN CN2009102504365A patent/CN102098485A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103186249A (en) * | 2011-12-30 | 2013-07-03 | 宏正自动科技股份有限公司 | Remote management system and remote management method |
| CN103186249B (en) * | 2011-12-30 | 2016-12-07 | 宏正自动科技股份有限公司 | Remote management system and remote management method |
| CN102739783A (en) * | 2012-06-14 | 2012-10-17 | 北京真视通科技股份有限公司 | Method for automatically combining meeting information |
| CN102739783B (en) * | 2012-06-14 | 2016-08-03 | 北京真视通科技股份有限公司 | The method that conferencing information merges automatically |
| CN104410918A (en) * | 2014-12-09 | 2015-03-11 | 广州华多网络科技有限公司 | Method and device for adjusting parameters of live video |
| CN104410918B (en) * | 2014-12-09 | 2019-01-15 | 广州华多网络科技有限公司 | A kind of live video parameter regulation means and device |
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| CN105516643A (en) | 2016-04-20 |
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