CN115022573A - Desktop video conference system - Google Patents
Desktop video conference system Download PDFInfo
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- CN115022573A CN115022573A CN202210590080.5A CN202210590080A CN115022573A CN 115022573 A CN115022573 A CN 115022573A CN 202210590080 A CN202210590080 A CN 202210590080A CN 115022573 A CN115022573 A CN 115022573A
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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
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- 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
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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
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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
- H04N7/155—Conference systems involving storage of or access to video conference sessions
Abstract
The invention provides a desktop video conference system, which comprises a host terminal and a plurality of participant terminals which are directly or indirectly connected with the host terminal, wherein the host terminal comprises a terminal data processing module, an internal video conference server, a coder-decoder, an Internet connecting circuit, a touch display screen, a camera module, an audio unit, a fused media input interface and a fused media output interface; the conference terminals are remote equipment with AVC function, the Internet connecting circuit is directly or indirectly connected with each conference terminal, the MCU screen mixing in the machine is realized by adopting a professional desktop video conference terminal-host terminal, the conference or the multi-channel call composite conference can be initiated by one key, the conference opening operation is simplified, the conference can be flexibly and conveniently participated, and the conference quality is ensured.
Description
Technical Field
The invention belongs to the technical field of video conferences, and particularly relates to a desktop video conference system.
Background
With the development of internet and multimedia technology and the market demand, video conferences have become very popular, and video conferences on the market at present generally fall into two categories: one is a conference room conferencing system and the other is a cloud video conference. The video conference system is mostly controlled in a layered menu mode, the operation is complex, and the conference room conference system is required to be composed of a computer, a far-end video conference system, a power amplifier, a sound box, a digital video recorder and other A/V equipment and matched with a conference room environment and a multimedia central control system, the conference participation requirement is high, and the equipment is expensive. Cloud video conferencing uses cloud computing as a core and is deployed by means of technologies such as internet and artificial intelligence, and the like, and generally adopts a public cloud mode, so that the sealing property of a video system in a conference room is broken, the application range is wider, but because a computer or a mobile terminal is used for participating in a conference under a cloud video environment, the models of participating equipment are inconsistent, the equipment parameters are different, the conference cannot be connected, the product performance is unstable, the use is inconvenient, and the conference effect is seriously influenced. Meanwhile, government organs, public inspection methods and large-scale enterprises have higher requirements on network security, a video conference system needs to operate on the intranet, and the cloud video conference cannot meet the requirements of users in many cases.
Under the condition of rapid development of information and communication technologies, the processing capacity of a computer and network transmission are greatly improved, a video conference gradually trends to miniaturization, rapidness and simplification, the video conference can be held on an office desk simply, conveniently and rapidly, professional and high-quality conference experience and effect are achieved, the video conference system is very urgent, and the video conference system is also a development trend of video conference diversification.
Disclosure of Invention
Aiming at the problems of multiple meeting requirements, expensive equipment, poor product stability caused by non-uniform meeting equipment, complex operation, incapability of considering miniaturization, simplification, rapidness and the like of the existing meeting system, the invention provides the desktop video meeting system.
The technical scheme of the invention is as follows:
a desktop video conference system is characterized by comprising a host terminal and a plurality of participant terminals which are directly or indirectly connected with the host terminal, wherein the host terminal comprises a terminal data processing module, an internal video conference server, a coder-decoder, an Internet connecting circuit, a touch display screen, a camera module, an audio unit, a fused media input interface and a fused media output interface; the participant terminal is a remote device with an AVC function, and the Internet connecting circuit is directly or indirectly connected with each participant terminal;
the video conference system comprises a camera module, an audio unit, a terminal data processing module, an internal video conference server, a codec and an internet connecting circuit, wherein the camera module, the audio unit and the terminal data processing module are connected with the video conference server through the codec and the internet connecting circuit; meanwhile, the remote fusion media information including the audio and video main stream and the auxiliary stream of the shared screen and the white board from the participant terminal is received by the Internet connection circuit and the coder-decoder and is sent to the terminal data processing module, and the terminal data processing module displays the local fusion media information and the remote fusion media information from the participant terminal through the touch display screen and sends the local fusion media information and the remote fusion media information to the large screen through the fusion media output interface.
Preferably, when the number of the participant terminals is less than or equal to the participant threshold value, the host terminal is directly connected with the plurality of participant terminals, and the internal video conference server performs local mixing work;
when the number of the participating terminals exceeds a participating threshold value, the host terminal is indirectly connected with the participating terminals, the system further comprises a platform video conference server, an internet connection circuit of the host terminal is connected with the participating terminals through the platform video conference server, at the moment, the internal video conference server of the host terminal does not work, the terminal data processing module sends out an conference control instruction and sends the conference control instruction together with local fusion media information to the platform video conference server through a coder-decoder and the internet connection circuit, and the platform video conference server performs mixed screen processing according to the conference control instruction and distributes the mixed screen processing to the participating terminals; meanwhile, the platform video conference server also receives the remote fusion media information from the participating terminals, performs screen mixing processing on the information and then sends the information to the terminal data processing module through the Internet connecting circuit and the coder-decoder.
Preferably, the terminal data processing module includes an embedded processor, an embedded database and a storage unit, the embedded processor is respectively connected to the embedded database and the storage unit, the embedded processor is respectively connected to the internal video conference server, the codec, the touch display screen, the camera module, the audio unit, the fused media input interface and the fused media output interface, and the embedded processor sends out the conference control instruction.
Preferably, the participation threshold is 5 or 6.
Preferably, the participating terminal adopts VoIP phone, video phone or converged communication terminal equipment with the same internal structure as the host terminal.
Preferably, the host terminal and the participating terminal communicate based on the SIP protocol, and adopt a dual-stream protocol with the RFC3261 protocol family as a main stream and the RFC4582 protocol and the RFC4583 protocol as an auxiliary stream.
Preferably, the conference participating terminal further comprises a key circuit, the key circuit is connected with the terminal data processing module, the key circuit determines the conference participating terminal through keys, performs conference control selection of split screen, speech inhibition and kicking-out of the conference participating terminal, and then the terminal data processing module sends a conference control instruction.
Preferably, the audio unit comprises an audio sound card, a power amplifier, a loudspeaker and a sound pickup, and the audio sound card, the power amplifier, the loudspeaker and the sound pickup are all connected with the terminal data processing module.
Preferably, the converged media input interface is an HDMI input interface, and the converged media output interface is an HDMI output interface.
Preferably, the host terminal further comprises a handle MIC, and the handle MIC is connected with the terminal data processing module; the touch display screen adopts a capacitive touch screen liquid crystal display.
The invention has the following technical effects:
the invention provides a desktop video conference system, which comprises a host terminal and a plurality of conference terminals which are directly or indirectly connected with the host terminal, wherein the host terminal comprises a terminal data processing module, an internal video conference server, a coder-decoder, an Internet connection circuit, a touch display screen, a camera module, an audio unit, a fusion media input interface and a fusion media output interface, the camera module and the audio unit are used for collecting fusion media information such as images, audio and video, the fusion media input interface is used for receiving fusion media information such as pdf, word files, engineering drawings, videos and pictures of third-party equipment, each fusion media information is used as local fusion media information and is transmitted to the terminal data processing module, the terminal data processing module is used for processing transmitted data to complete the collection and generation of the files, the audio and the video information, the terminal data processing module is used for sending a conference control instruction and calling the internal video conference server to carry out the local fusion media information The local mixed screen transmits the melting media information of the local mixed screen to each participant terminal through the coder-decoder and the internet connecting circuit, the participant terminals receive the melting media information and play and display a shared screen, a white board, audio and video, and simultaneously the remote melting media information including audio and video main streams and auxiliary streams of the shared screen and the white board from the participant terminals can be received through the internet connecting circuit and the coder-decoder and transmitted to the terminal data processing module and displayed through the touch display screen, the touch display screen can display or switch the local melting media information and the remote melting media information from the participant terminals in a split screen mode to complete the melting media communication function of the host terminal and the participant terminals, and simultaneously the melting media information of the local machine and the received remote melting media information can be transmitted to a large screen through a melting media output interface for being watched by multiple persons, the function of fusing the media video conference on the desktop is realized. The invention adopts a professional desktop video conference terminal-host terminal, has a terminal data processing module capable of sending conference control instructions and combines an internal video conference server to realize the function of MCU screen mixing in the terminal, can initiate a conference or a multi-channel call composite conference by one key, has the conference control function capable of holding a temporary conference, reserving the conference, holding the conference again and the like, can hold the conference without going to a conference room, and can hold the conference by one key, thereby simplifying the conference operation, not only flexibly and conveniently participating, but also ensuring the conference quality, achieving the visual effect of the conference room level, solving the problems of the prior conference system that the participation requirements are more, the equipment is expensive, the product stability is poor and the operation is complex due to the non-uniform participation equipment, and the problems of enterprise and popularization cannot be considered, and the like, and improving the flexible usability of the video conference and developing towards miniaturization.
The host terminal of the desktop video conference system has a conference control function, can hold a video conference by one key, and does not occupy conference resources of the system; the intelligent conference system is an effective supplement to conference room conference terminals, can hold a conference without going to a conference room, and can participate in conferences held in other modes on stations. Further, desktop video conference system still includes platform video conference server, inside video conference server and platform video conference server are as inside MCU and system MCU alternative work respectively, when the quantity less than or equal to of meeting terminal participated in the threshold value, the number of meeting party is less this moment, host computer terminal directly links to each other with a plurality of meeting terminals, carry out local mixing work by inside video conference server, even directly hold together with the processing power of host computer terminal inside, do not rely on system MCU. When the number of the participating terminals exceeds a participating threshold value, the number of the participating parties is more, an internet connecting circuit of the host terminal is connected with each participating terminal through the platform video conference server, an internal video conference server of the host terminal does not work at the moment, the platform video conference server works, the terminal data processing module sends out an conference control instruction and sends the conference control instruction together with local fusion media information to a system MCU (platform video conference server) through a coder-decoder and the internet connecting circuit, and the system MCU performs mixed screen processing according to the conference control instruction and distributes the mixed screen processing to each participating terminal; meanwhile, the platform video conference server also receives the remote fusion media information from the participating terminals, performs screen mixing processing on the information and then sends the information to the terminal data processing module through the Internet connecting circuit and the coder-decoder. The host terminal carries out protocol communication with the system MCU, starts the MCU conference room function, holds a multi-party conference, can control the conference in real time in the conference process, does not need self-contained equipment, does not increase extra burden in the aspects of bandwidth occupation and signal processing of a mixed screen of the system MCU, can reduce the complexity of the host terminal, improves the stability and improves the conference efficiency.
Drawings
Fig. 1 is a block diagram of a first preferred structure of the desktop video conference system of the present invention.
Fig. 2 is a block diagram of a second preferred structure of the desktop video conference system of the present invention.
Fig. 3 is a schematic structural diagram of a desktop video conference system showing an internal structure of a host terminal.
Fig. 4 is another structural diagram of the desktop video conference system showing a preferred structure inside the host terminal.
Detailed Description
The present invention will be described with reference to the accompanying drawings.
The invention relates to a desktop video conference system, which is structurally shown in figure 1 and comprises a host terminal and a plurality of participant terminals which are directly or indirectly connected with the host terminal, wherein the embodiment is direct connection, and as shown in figure 1, the host terminal is directly connected with the participant terminals 1, 2, 3, 4 and 5. The internal structure of the host terminal is shown in fig. 3, and includes a terminal data processing module, an internal video conference server, a codec, an internet connection circuit, a touch display screen, a camera module, an audio unit, a multimedia output interface, and a multimedia output interface, wherein the terminal data processing module is respectively connected to the internal video conference server, the codec, the touch display screen, the camera module, the audio unit, the multimedia input interface, and the multimedia output interface, and the codec is connected to the internet connection circuit; the participating terminal is a remote device with AVC function, such as VoIP phone, video phone, or converged communication terminal device with the same internal structure as the host terminal. The host terminal is directly or indirectly connected to each participant terminal through an internet connection circuit, and in the embodiment shown in fig. 3, the participant terminals 1, 2, 3 and 4 are directly connected to the internet connection circuit. The communication between the host terminal and the participating terminals is based on the SIP protocol, the SIP protocol is used as a basic transmission protocol of the conference, and an RFC3261 protocol family is used as a main stream and an RFC4582 protocol and an RFC4583 protocol are used as a double-stream protocol of an auxiliary stream.
Specifically, the terminal data processing module is a core component and is provided with conference control software, conference control instructions are sent out through the conference control software and an internal video conference server is called to perform local screen mixing on local melt media information, and the conference control software also receives the current state fed back by the internal video conference server and displays the current state on the touch display screen; a touch display screen: operating meeting control software in a touch mode, starting a meeting and controlling the meeting, and directly pulling people to start the meeting or removing participants; a display unit: displaying meeting images, sharing screen images, meeting control interfaces, displaying whiteboard content and other fused media information; a converged media output interface: the fused media information is delivered to the large screen by using the HDMI interface, so that the conference image and the image of the shared screen can be displayed on different screens, the display is clearer, and the operation of continuously switching the screens is omitted; an audio unit: sound card, power amplifier, loudspeaker and MIC; a camera module: inputting a local image; the camera module, the audio unit, the handle MIC and the fused media input interface are input equipment of the invention, fused media information such as images, audio, videos and the like is collected by the camera module, the audio unit and the handle MIC, fused media information such as pdf, word files, engineering drawings, videos, pictures and the like of third-party equipment is received by the fused media input interface, all the fused media information is used as local fused media information and is transmitted to the terminal data processing module for processing, and collection and generation of the files, the audio and the video information are completed. A converged media input interface: the content displayed by the shared screen can be input, sent to the display unit and the fused media output interface by the terminal processing module for display, sent to the codec by the terminal data processing module for coding, and directly sent to the far-end participant terminal through the Internet connection circuit or sent to the far-end participant terminal through the system MCU; a camera module: and local images of the video conference are collected and sent to the display unit and the fused media output interface by the terminal processing module for display. The data is sent to the coder-decoder code by the terminal data processing module, and is directly sent to the far-end participant terminal through the Internet connection circuit or is sent to the far-end participant terminal through the system MCU.
The terminal data processing module sends out a meeting control instruction and calls an internal video conference server to perform local screen mixing on local melt media information; and (3) a coder and a decoder: the method comprises the steps of coding a local audio and video image input by a camera module into a main stream, coding a shared screen image and whiteboard content into an auxiliary stream, and sending the auxiliary stream to a far-end participant terminal through an Internet connection circuit; an internet connection circuit: when the local video conference mode of an internal video conference server (namely, an internal MCU) is used, 1 to 5 participant terminals are connected through an SIP protocol, images and auxiliary streams of a local mixed screen are sent to the participant terminals, remote fusion media information such as audio and video main streams, a shared screen and auxiliary streams of a white board sent by the participant terminals are received through an Internet connecting circuit and a coder-decoder, the local fusion media information and the remote fusion media information from the participant terminals are decoded by the coder-decoder and then sent to a terminal data processing module, the terminal data processing module displays the local fusion media information and the remote fusion media information from the participant terminals through a touch display screen and sends the local fusion media information and the remote fusion media information to a large screen through a fusion media output interface, the local video conference server is used for being watched by multiple persons, and the function of a small-size fusion media conference on a desktop is realized. In addition, functions such as opening and marking of shared files can be achieved through the capacitive touch display screen, pictures can be generated and stored, and therefore the functions of a whiteboard can be achieved through sharing with remote equipment.
The internal video conference server may also be referred to as an internal MCU (Multi Control Unit), which is essentially a multimedia information switch, performs Multi-point calling and connection, implements functions such as video broadcasting, video selection, audio mixing, and data broadcasting, and completes the tandem and switching of signals of each terminal. The host terminal is a desktop conference terminal with the function of mixing screens of the MCU in the computer, and can initiate a conference or a multi-way call composite conference by one key. The participating terminal: standard SIP with AVC functionality. When the number of the participating terminals is less than or equal to the participating threshold, the participating threshold can be set to be 5 or 6, the host terminal is directly connected with the participating terminals, the internal video conference server performs local frequency mixing work, and a local video conference not more than 6 parties is summoned.
When the number of the participating terminals exceeds the participating threshold value, the host terminal is indirectly connected with a plurality of participating terminals, as shown in fig. 2, the system further comprises a platform video conference server (also called as a system MCU), the host terminal is connected with the participating terminal 1, the participating terminal 2, the participating terminal 3 and the participating terminal 4 … … through the platform video conference server, namely, an internet connection circuit of the host terminal is connected with each participating terminal through the platform video conference server, at this time, the internal video conference server of the host terminal does not work, the terminal data processing module sends out an conference control instruction and sends the conference control instruction together with local fusion media information (main stream of conference image, auxiliary stream such as shared screen and the like) to the system MCU through a codec and the internet connection circuit, and the system MCU performs mixed screen processing according to the conference control instruction and distributes the conference control instruction to each participating terminal; meanwhile, the system MCU also receives the remote melt media information from the participating terminals, performs screen mixing processing on the information, and then sends the information to the terminal data processing module through the Internet connecting circuit and the coder-decoder, and the system MCU is used for holding more than 6 video conferences.
Fig. 4 is another structural diagram of the desktop video conference system showing a preferred structure inside the host terminal. Preferably, the touch display screen adopts a capacitive touch screen liquid crystal display for touch input, displaying real-time melt media information and playing melt media information. Preferably, the converged media input interface adopts an HDMI input interface, and the converged media output interface adopts an HDMI output interface, that is, the converged media content is sent to the large-screen display through the HDMI output interface. Further, still include the keying circuit: the conference participating terminal is determined by the key circuit through keys of the up-down, left-right and determination keys, and conference control selection of the conference participating terminal is performed through screen division, speech prohibition and kicking out, so that the terminal data processing module sends a conference control instruction. The audio unit comprises an audio sound card, a power amplifier, a loudspeaker and a sound pick-up, wherein the audio sound card, the power amplifier, the loudspeaker and the sound pick-up are all connected with the terminal data processing module and are used for collecting and playing sound in the media information communication. Further, the host terminal also comprises a handle MIC, and the handle MIC is connected with the terminal data processing module; the touch display screen adopts a capacitive touch screen liquid crystal display.
The terminal data processing module comprises an embedded processor, and an embedded database and a storage unit which are respectively connected with the embedded processor, wherein the embedded processor is respectively connected with the internal video conference server, the coder-decoder, the key circuit, the touch display screen, the camera module, the audio unit, the handle MIC, the fused media input interface and the fused media output interface, the internet connecting circuit comprises an internet interface, and the internet interface is connected with the coder-decoder. The storage unit can store the contents of video, shared screen and white board generated by the conference. When the conference video is retransmitted after meeting, the contents of a shared screen, a white board and the like can be added when the conference video is retransmitted, and the conference scene is completely reproduced. The embedded processor can read the video or graphic file in the storage unit, transmit the video or graphic file to the touch display screen to play or display the file content, and record the communication content fused with the communication into the embedded database for later inquiry. The unit address book with a hierarchical structure is arranged in the storage unit, and people can be selected from the contact persons, the conference can be held, the corresponding participant can be called through the unit address book, so that the multiparty fusion video conference from the terminal can be realized without depending on other platform equipment. The terminal data processing module finishes the works of audio, video, data acquisition and meeting control, file sharing, white board, meeting processing, meeting control, terminal state management and the like in the fusion. The terminal data processing module in this embodiment belongs to an embedded personal terminal data processing device, and preferably, the embedded processor uses an RK3399 chip to operate an Android system.
It should be noted that the audio data collected by the audio unit may be directly used as the audio data to be transmitted, or analog audio data may be obtained, and the analog audio data is subjected to analog-to-digital conversion to obtain digital audio data, and the digital audio data is used as the audio data to be transmitted. For example, the audio data collected by the audio unit is analog data, the analog audio data is converted into digital audio data, and the digital audio data is used as audio data to be transmitted. In addition, the analog audio data can be modulated to obtain modulated audio data which is used as audio data to be transmitted.
Similarly, the image data collected by the camera module can be directly used as the image data to be transmitted, analog image data can also be obtained, analog-to-digital conversion is carried out on the analog image data to obtain digital image data, and the digital image data is used as the image data to be transmitted. For example, image data acquired by the camera module is analog data, the analog image data is converted into digital image data, and the digital image data is used as image data to be transmitted. In addition, the analog image data can be modulated to obtain modulated image data which is used as image data to be transmitted.
Embodiment one shown in FIG. 3
The camera module, the audio unit, the handle MIC and the fused media input interface collect and receive local fused media information such as images, audios, videos, text files, presentations and the like, simultaneously, the text files and the presentations in the storage unit can be labeled through the capacitive touch screen liquid crystal display and the key circuit, the fused media information and the labeling information are stored in the storage unit, an embedded processor in the terminal data processing module reads the fused media information and the labeling information in the storage unit to complete the collection and generation of the information such as the audio, the videos, the graphic files, the text file labeling and the like, the terminal data processing module sends out an association control instruction and calls an internal video conference server to carry out local mixed screen on the local fused media information, and two channels are used, and the fused media information and the labeling information of the local device can be transmitted to a far-end conference terminal through the coder, the decoder and the Internet connection circuit, the participating terminal receives the fused media information and the label information of the local terminal, plays the shared screen, the white board, the audio and the video, displays the text file and the label thereof, meanwhile, the host terminal can also receive the audio and video main stream and the auxiliary stream of the shared screen and the white board from the remote participant terminal through the Internet connecting circuit and the coder-decoder, the information of the melting media of the machine and the received information of the melting media at the far end can be displayed or switched by a capacitive touch screen liquid crystal display in a split screen way to complete the function of the communication of the melting media between the terminal and the platform or other terminals, meanwhile, the local converged media files and the received far-end converged media files can be sent to a large screen through a converged media output interface, the desktop convergence terminal is used for watching by multiple people, and the function of a small-sized media convergence conference on the desktop can be realized by using the desktop convergence terminal.
Example two shown in FIG. 4
The camera module, the audio unit, the handle MIC and the fused media input interface are used for collecting and receiving fused media information such as images, audios, videos, text files, presentations and the like, simultaneously, the text file and the presentation file in the storage unit can be labeled through the capacitive touch screen liquid crystal display and the key circuit, the melting medium information and the labeling information are stored in the storage unit, an embedded processor in the terminal data processing module reads the information of the melting media and the marking information in the storage unit to complete the collection and generation of information such as audio, video, graphic files, text file marking and the like, the terminal data processing module sends out a meeting control instruction, the two channels are used, together with local fusion media information, are sent to a platform video conference server (system MCU) through a coder-decoder and an Internet connection circuit, and the platform video conference server performs screen mixing processing according to meeting control instructions and distributes the screen mixing processing to each meeting participating terminal; the participating terminal receives the thawing media information and the labeling information, plays the shared screen, the white board, the audio and the video, displays the text file and the label thereof, simultaneously the platform video conference server also receives the remote thawing media information (audio and video main stream and the auxiliary stream of the shared screen and the white board) from the participating terminal, transmits the remote thawing media information to the terminal data processing module through the Internet connecting circuit and the coder-decoder after mixing the information, sends the information to the capacitive touch screen liquid crystal display for displaying, the capacitive touch screen liquid crystal display can split-screen display or switch the thawing media information of the local machine and the received thawing media information of the remote end to complete the thawing media communication function of the terminal and the platform or other terminals, and simultaneously can send the thawing media file of the local machine and the received thawing media file of the remote end to the large screen through the thawing media output interface, the desktop convergence terminal is used for watching by multiple people, and the function of converging the media video conference on the desktop can be realized by using the desktop convergence terminal.
It should be noted that the above-mentioned embodiments enable a person skilled in the art to more fully understand the invention, without restricting it in any way. Therefore, although the present invention has been described in detail with reference to the drawings and examples, it will be understood by those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A desktop video conference system is characterized by comprising a host terminal and a plurality of participant terminals which are directly or indirectly connected with the host terminal, wherein the host terminal comprises a terminal data processing module, an internal video conference server, a coder-decoder, an Internet connecting circuit, a touch display screen, a camera module, an audio unit, a fused media input interface and a fused media output interface; the participant terminal is a remote device with an AVC function, and the Internet connecting circuit is directly or indirectly connected with each participant terminal;
the video conference system comprises a camera module, an audio unit, a terminal data processing module, an internal video conference server, a codec and an internet connecting circuit, wherein the camera module, the audio unit and the terminal data processing module are connected with the video conference server through the codec and the internet connecting circuit; meanwhile, the remote fusion media information including the audio and video main stream and the auxiliary stream of the shared screen and the white board from the participant terminal is received by the Internet connection circuit and the coder-decoder and is sent to the terminal data processing module, and the terminal data processing module displays the local fusion media information and the remote fusion media information from the participant terminal through the touch display screen and sends the local fusion media information and the remote fusion media information to the large screen through the fusion media output interface.
2. The desktop video conference system of claim 1, wherein when the number of the participant terminals is less than or equal to the participant threshold, the host terminal is directly connected to the plurality of participant terminals, and the internal video conference server performs local mixing work;
when the number of the participating terminals exceeds a participating threshold value, the host terminal is indirectly connected with the participating terminals, the system further comprises a platform video conference server, an internet connection circuit of the host terminal is connected with the participating terminals through the platform video conference server, at the moment, the internal video conference server of the host terminal does not work, the terminal data processing module sends out an conference control instruction and sends the conference control instruction together with local fusion media information to the platform video conference server through a coder-decoder and the internet connection circuit, and the platform video conference server performs mixed screen processing according to the conference control instruction and distributes the mixed screen processing to the participating terminals; meanwhile, the platform video conference server also receives the remote fusion media information from the participating terminals, performs screen mixing processing on the information and then sends the information to the terminal data processing module through the Internet connecting circuit and the coder-decoder.
3. The desktop video conference system according to claim 1 or 2, wherein the terminal data processing module comprises an embedded processor, an embedded database and a storage unit, the embedded processor is respectively connected with the embedded database and the storage unit, the embedded processor is respectively connected with the internal video conference server, the codec, the touch display screen, the camera module, the audio unit, the melt media input interface and the melt media output interface, and the embedded processor sends out conference control instructions.
4. The desktop video conferencing system of claim 2, wherein the meeting threshold is 5 or 6.
5. A desktop video conference system according to claim 1 or 2, wherein the participating terminals are VoIP phones, video phones, or converged communication terminal devices having the same internal structure as the host terminal.
6. The desktop video conference system of claim 5, wherein the host terminal and the participant terminal communicate based on the SIP protocol, and adopt the RFC3261 protocol family as a main stream and the RFC4582 protocol and the RFC4583 protocol as a dual-stream protocol of a secondary stream.
7. The desktop video conference system according to claim 1 or 2, further comprising a key circuit, wherein the key circuit is connected to the terminal data processing module, the key circuit determines the participant terminal through a key, and performs conference control selection of screen division, speech prohibition and participant terminal kicking out, and then the terminal data processing module sends a conference control instruction.
8. The desktop video conference system of claim 1 or 2, wherein the audio unit comprises an audio sound card, a power amplifier, a speaker and a sound pickup, and the audio sound card, the power amplifier, the speaker and the sound pickup are all connected with the terminal data processing module.
9. The desktop video conference system of claim 1 or 2, wherein the converged media input interface employs an HDMI input interface, and the converged media output interface employs an HDMI output interface.
10. The desktop video conference system of claim 1 or 2, wherein the host terminal further comprises a handle MIC, and the handle MIC is connected with the terminal data processing module; the touch display screen adopts a capacitive touch screen liquid crystal display.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210164757 | 2022-02-22 | ||
| CN2022101647579 | 2022-02-22 |
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| Publication Number | Publication Date |
|---|---|
| CN115022573A true CN115022573A (en) | 2022-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210590080.5A Pending CN115022573A (en) | 2022-02-22 | 2022-05-27 | Desktop video conference system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116781672A (en) * | 2023-06-15 | 2023-09-19 | 广州德亨信息技术有限公司 | Video conference access gateway and video conference system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116781672A (en) * | 2023-06-15 | 2023-09-19 | 广州德亨信息技术有限公司 | Video conference access gateway and video conference system |
| CN116781672B (en) * | 2023-06-15 | 2024-03-19 | 广州德亨信息技术有限公司 | Video conference access gateway and video conference system |
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