CN112087591A - Interactive system and method for video conference - Google Patents
Interactive system and method for video conference Download PDFInfo
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- CN112087591A CN112087591A CN202010985570.6A CN202010985570A CN112087591A CN 112087591 A CN112087591 A CN 112087591A CN 202010985570 A CN202010985570 A CN 202010985570A CN 112087591 A CN112087591 A CN 112087591A
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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
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/439—Processing of audio elementary streams
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/44—Processing of video elementary streams, e.g. splicing a video clip retrieved from local storage with an incoming video stream, rendering scenes according to MPEG-4 scene graphs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
Abstract
The invention provides an interactive system and method for a video conference. The mobile terminals are connected with the cloud server; the audio and video integrated machine is connected with the mobile terminal; the display screen is connected with the audio and video integrated machine; the audio and video integrated machine comprises a main control chip; the omnidirectional pickup device is connected with the main control chip; the omnidirectional camera device is connected with the main control chip; the loudspeaker is connected with the main control chip; and the wireless communication module and the communication interface module of a plurality of types are connected with the main control chip. Hardware of the whole system only needs the audio and video integrated machine, the mobile terminal and the display screen to start the video conference in a multi-user environment, so that the cost of the video conference is reduced, and the video conference is more convenient to use.
Description
Technical Field
The invention relates to the technical field of network multimedia, in particular to an interactive system and method for a video conference.
Background
At present, video conference software, audio acquisition equipment, video acquisition equipment, a PC (personal computer) or a host computer are required for starting a video conference, so that the cost is very high, and the cost is thousands to tens of thousands. One non-rigid requirement, too high cost can dissuade most users, resulting in the popularity rate of the video conference only embodied in the cloud video conference, and the actual audio and video effect is very poor. The traditional screen projection mode is only suitable for personal meetings, and professional-level audio and video experience is insufficient. Therefore, a scheme is required to be provided so that a conference scene can be met through the audio and video professional main control chip and the mobile terminal carried by a user, the audio and video quality is guaranteed, the cost of video conference equipment is reduced, and the use convenience is improved.
Disclosure of Invention
The invention aims to provide an interactive system and method for a video conference, which are used for realizing the technical effects of reducing the cost of video conference equipment and improving the use convenience while ensuring the audio and video quality.
In a first aspect, the present invention provides an interactive system for a video conference, including a cloud server; the mobile terminals are connected with the cloud server, and video conference software is arranged in the mobile terminals; the audio and video integrated machine is connected with the mobile terminal; the display screen is connected with the audio and video integrated machine; the audio and video integrated machine comprises a main control chip; the omnidirectional pickup device is connected with the main control chip; the omnidirectional camera device is connected with the main control chip; the loudspeaker is connected with the main control chip; the wireless communication module and the communication interface module are connected with the main control chip;
the omnidirectional camera device is used for acquiring video data of a conference scene, converting the video data into a video with an H.264/H.265 format and transmitting the video data to the main control chip; the omnidirectional pickup device is used for acquiring audio data of the conference scene, converting the audio data into professional audio format audio and transmitting the professional audio format audio to the main control chip; the main control chip is used for compressing the professional audio format audio and the H.264/H.265 format video into first audio and video data and sending the first audio and video data to the mobile terminal through the wireless communication module or the communication interface module; the mobile terminal is used for sending the first audio and video data to a cloud server, or receiving second audio and video data of other mobile terminals sent by the cloud server and sending the second audio and video data to the main control chip through the wireless communication module or the communication interface module; the main control chip is also used for decoding the second audio and video data, playing the professional audio format audio in real time through the loudspeaker, and displaying the H.264/H.265 format video in real time through the display screen.
Further, the communication interface module at least comprises a type-c interface, a microUSB interface and a Lightning interface.
Further, the wireless communication module at least comprises a Bluetooth module, a WiFi module and a 5G communication module.
Furthermore, the audio and video integrated machine also comprises a charging interface and a DC/DC converter connected with the charging interface; the master control chip, the omnidirectional pickup device, the omnidirectional camera device, the loudspeaker and the wireless communication module are all connected with the DC/DC converter.
Furthermore, the audio and video all-in-one machine also comprises an HDMI (high-definition multimedia interface) connected with the main control chip; the display screen is connected with the main control chip through the HDMI interface.
Furthermore, the audio and video all-in-one machine also comprises an earphone interface connected with the main control chip.
Further, the omnidirectional pickup device is a matrix 9 array omnidirectional microphone.
In a second aspect, the present invention provides an interaction method for a video conference, which is applied to the above interaction system, and includes: the method comprises the steps that a first main control chip obtains H.264/H.265 format video converted by an omnidirectional camera device and professional audio format audio converted by the omnidirectional pickup device, compresses and packages the H.264/H.265 format video and the professional audio format audio into first audio and video data and sends the first audio and video data to a first mobile terminal; the first mobile terminal decompresses the first audio and video data, then performs coding processing on the decompressed first audio and video data to obtain corresponding coded data, and sends the coded data to a cloud server; the cloud server sends the coded data to a second mobile terminal connected with the cloud server; the second mobile terminal performs compression processing on the encoded data after decoding, obtains corresponding audio and video data and sends the corresponding audio and video data to a second main control chip; the second main control chip decompresses the audio and video data to obtain the professional audio format audio and the H.264/H.265 format video, plays the professional audio format audio in real time through a loudspeaker connected with the second main control chip, and plays the H.264/H.265 format video in real time through a display screen connected with the second main control chip.
Further, the method further comprises: and detecting whether the second main control chip normally receives the audio and video data sent by the mobile terminal within a preset time period in the video conference process, and if the second main control chip does not normally receive the audio and video data sent by the mobile terminal, switching the wireless communication module and reestablishing connection with the mobile terminal.
Further, the method further comprises: detecting whether an earphone interface connected with the second main control chip is connected with an earphone or not; and if the earphone interface is connected with an earphone, stopping playing the professional audio format audio by the loudspeaker connected with the second main control chip.
The beneficial effects that the invention can realize are as follows: the interactive system of the video conference provided by the invention firstly collects audio and video data through the audio and video integrated machine; secondly, after the audio and video data are coded through video conference software on the mobile terminal, the coded audio and video data are sent to another mobile terminal connected with a cloud server through the cloud server; then, the information is sent to a corresponding audio and video integrated machine through the mobile terminal; and finally, playing the audio in the professional audio format in real time through a loudspeaker on the audio and video integrated machine and playing the video in the H.264/H.265 format in real time through a display connected with the audio and video integrated machine. Hardware of the whole system only needs the audio and video integrated machine, the mobile terminal and the display screen to start the video conference in a multi-user environment, so that the cost of the video conference is reduced, and the video conference is more convenient to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic diagram of a topology structure of an interactive system of a video conference according to an embodiment of the present invention;
fig. 2 is a schematic flowchart of an interaction method for a video conference according to an embodiment of the present invention.
Icon: 10-an interactive system; 100-cloud server; 200-a mobile terminal; 300-an audio and video integrated machine; 310-a master control chip; 320-omnidirectional pickup means; 330-omnidirectional camera device; 340-a loudspeaker; 350-a wireless communication module; 360-a communication interface module; 370-a charging interface; 371-DC/DC converter; 380-HDMI interface; 390-a headset interface; 400-display screen.
Detailed Description
The technical solutions in the embodiments of the present invention will be described below with reference to the drawings in the embodiments of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the terms "first", "second", and the like are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.
Referring to fig. 1, fig. 1 is a schematic diagram of an interactive system topology structure of a video conference according to an embodiment of the present invention.
In an embodiment, the interactive system 10 for a video conference provided by the embodiment of the present invention includes a cloud server 100; the mobile terminals 200 are connected with the cloud server 100, and video conference software is arranged in the mobile terminals 200; an audio and video integrated machine 300 connected with the mobile terminal 200; and a display screen 400 connected to the audio/video integrated machine 300; the audio and video all-in-one machine 300 comprises a main control chip 310; an omnidirectional pickup device 320 connected with the main control chip 310; an omnidirectional camera 330 connected to the main control chip 310; a speaker 340 connected to the main control chip 310; and a plurality of types of wireless communication modules 350 and a communication interface module 360 connected to the main control chip 310; the omnidirectional camera 330 is configured to acquire video data of a conference scene, convert the video data into a video in h.264/h.265 format, and transmit the video data to the main control chip 310; the omnidirectional pickup device 320 is configured to obtain audio data of the conference scene, convert the audio data into professional audio format audio, and transmit the professional audio format audio to the main control chip 310; the main control chip 310 is configured to compress the professional audio format audio and the h.264/h.265 format video into first audio/video data, and send the first audio/video data to the mobile terminal 200 through the wireless communication module 350 or the communication interface module 360; the mobile terminal 200 is configured to send the first audio/video data to a cloud server, or receive second audio/video data of other mobile terminals 200 sent by the cloud server and send the second audio/video data to the main control chip 310 through the wireless communication module 350 or the communication interface module 360; the main control chip 310 is further configured to decode the second audio/video data, play the professional audio format audio through the speaker 340 in real time, and display the h.264/h.265 format video through the display screen 400 in real time.
The interactive system 10 firstly acquires audio and video data through the audio and video integrated machine 300; secondly, after the audio and video data are coded through the video conference software on the mobile terminal 200, the coded audio and video data are sent to another mobile terminal 200 connected with the cloud server through the cloud server; then, the information is sent to the corresponding audio/video all-in-one machine 300 through the mobile terminal 200; finally, professional audio format audio (the audio format of the audio can be MP3 format or other types of audio format) is played in real time through the speaker 340 on the av all-in-one device 300, and h.264/h.265 format video is played in real time through the display connected to the av all-in-one device 300. Hardware of the whole system only needs the audio and video integrated machine 300, the mobile terminal 200 and the display screen 400 to start the video conference in a multi-person environment, so that the cost of the video conference is reduced, and the video conference is more convenient to use.
In one embodiment, the mobile terminal 200 may be a mobile phone (4G/5G mobile phone) or a tablet computer; in order to accommodate the mobile terminal 200 with various interface types, the communication interface module 360 at least includes various mainstream interfaces currently used, such as a type-c interface, a microUSB interface, and a Lightning interface. The mobile terminal 200 may be connected to the audio and video all-in-one machine 300 through a data line of a corresponding type. Video conference software such as attention, meeting, tenuous meeting, nailing and the like can be installed in the mobile phone or the tablet personal computer. The omnidirectional pickup device 320 can adopt a matrix 9 array omnidirectional microphone, and the pickup range is 8 m. The omnidirectional camera 330 may be a pan-tilt camera with professional image processing chips such as a haisi chip.
In an embodiment, in order to more conveniently establish a connection relationship between the mobile terminal 200 and the audio/video all-in-one machine 300 and ensure that the communication interface module 360 fails or can be reconnected in time when a video conference is in progress, the wireless communication module 350 at least includes a bluetooth module, a WiFi module and a 5G communication module. The mobile terminal 200 may be connected to the audio/video all-in-one machine 300 through a wire using the communication interface, or may be connected to the audio/video all-in-one machine 300 through the wireless communication module 350. When the communication interface fails or one type of wireless communication module 350 fails, the main control chip 310 can also switch other types of wireless communication modules 350 to establish connection with the mobile terminal 200 in time, so as to ensure the breakpoint continuation of the video conference.
In an embodiment, in order to supply power to each component in the audio/video all-in-one machine 300, the video all-in-one machine provided by the embodiment of the present invention further includes a charging interface 370 and a DC/DC converter 371 connected to the charging interface 370; the main control chip 310, the omnidirectional sound pickup device 320, the omnidirectional camera device 330, the speaker 340, and the wireless communication module 350 are all connected to a DC/DC converter 371. The voltage input from charging interface 370 may be converted into an operating voltage required by each of the above-described components by DC/DC converter 371.
In an embodiment, the display screen 400 may use an existing large screen television, and in order to facilitate connection, the audio/video all-in-one machine 300 further has an HDMI interface 380 connected to the main control chip 310, and the large screen television and the audio/video all-in-one machine 300 can be connected through corresponding HDMI data lines, so as to display a video image of another party during a conference in real time through the large screen television.
In an embodiment, in addition to playing the audio of the other party during the conference through the speaker 340, the audio and video all-in-one machine 300 is further provided with an earphone interface 390 connected with the main control chip 310, and the earphone interface 390 is a universal 3.5mm earphone jack. The earphone can be connected through the earphone interface 390 according to the user's requirement.
Referring to fig. 2, fig. 2 is a schematic flowchart illustrating an interaction method of a video conference according to an embodiment of the present invention.
In an implementation manner, an embodiment of the present invention further provides an interactive method for a video conference, which includes the following specific steps.
Step S101, a first main control chip obtains H.264/H.265 format video converted by an omnidirectional camera device and professional audio format audio converted by an omnidirectional pickup device, compresses and packages the H.264/H.265 format video and the professional audio format audio into first audio and video data, and sends the first audio and video data to a first mobile terminal.
And S102, the first mobile terminal decompresses the first audio and video data, then performs coding processing to obtain corresponding coded data, and sends the coded data to a cloud server.
And step S103, the cloud server sends the coded data to a second mobile terminal connected with the cloud server.
And step S104, the second mobile terminal performs compression processing on the encoded data after decoding, obtains corresponding audio and video data and sends the corresponding audio and video data to a second main control chip.
And step S105, the second main control chip decompresses the audio and video data to obtain the professional audio format audio and the H.264/H.265 format video, plays the professional audio format audio in real time through a loudspeaker connected with the second main control chip, and plays the H.264/H.265 format video in real time through a display screen connected with the second main control chip.
By the method, the video conference under the multi-person environment can be realized only by adding one audio and video integrated machine and the large-screen television to one mobile phone, so that the equipment cost of the video conference is reduced, and the video conference is more convenient to use.
In an embodiment, in order to ensure the breakpoint connection of the video conference, the method further includes detecting whether the second main control chip normally receives audio and video data sent by the mobile terminal within a preset time period in the process of the video conference, and if the second main control chip does not normally receive the audio and video data sent by the mobile terminal, switching the wireless communication module to reestablish connection with the mobile terminal.
Further, the method also comprises the step of detecting whether an earphone interface connected with the second main control chip is connected with the earphone; and if the earphone interface is connected with the earphone, the loudspeaker connected with the second main control chip stops playing the professional audio format audio. In this way, the user can switch in time when inserting the headset.
In summary, the embodiments of the present invention provide an interactive system and method for a video conference, wherein an omnidirectional camera device is used to acquire video data of a conference scene, convert the video data into a video with h.264/h.265 format, and transmit the video data to a main control chip; the omnidirectional pickup device is used for acquiring audio data of a conference scene, converting the audio data into professional audio format audio and transmitting the professional audio format audio to the main control chip; the main control chip is used for compressing the professional audio format audio and the H.264/H.265 format video into first audio and video data and sending the first audio and video data to the mobile terminal through the wireless communication module or the communication interface module; the mobile terminal is used for sending the first audio and video data to the cloud server, or receiving second audio and video data of other mobile terminals sent by the cloud server and sending the second audio and video data to the main control chip through the wireless communication module or the communication interface module; the main control chip is also used for decoding the second audio and video data, playing professional audio format audio in real time through a loudspeaker and displaying H.264/H.265 format video in real time through a display screen; by the mode, the video conference under the multi-user environment can be started only by the audio and video integrated machine, the mobile terminal and the display screen, the cost of the video conference is reduced, and the video conference is more convenient to use.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. An interactive system of a video conference is characterized by comprising a cloud server; the mobile terminals are connected with the cloud server, and video conference software is arranged in the mobile terminals; the audio and video integrated machine is connected with the mobile terminal; the display screen is connected with the audio and video integrated machine;
the audio and video integrated machine comprises a main control chip; the omnidirectional pickup device is connected with the main control chip; the omnidirectional camera device is connected with the main control chip; the loudspeaker is connected with the main control chip; the wireless communication module and the communication interface module are connected with the main control chip;
the omnidirectional camera device is used for acquiring video data of a conference scene, converting the video data into a video with an H.264/H.265 format and transmitting the video data to the main control chip; the omnidirectional pickup device is used for acquiring audio data of the conference scene, converting the audio data into professional audio format audio and transmitting the professional audio format audio to the main control chip; the main control chip is used for compressing the professional audio format audio and the H.264/H.265 format video into first audio and video data and sending the first audio and video data to the mobile terminal through the wireless communication module or the communication interface module; the mobile terminal is used for sending the first audio and video data to a cloud server, or receiving second audio and video data of other mobile terminals sent by the cloud server and sending the second audio and video data to the main control chip through the wireless communication module or the communication interface module; the main control chip is also used for decoding the second audio and video data, playing the professional audio format audio in real time through the loudspeaker, and displaying the H.264/H.265 format video in real time through the display screen.
2. The interactive system according to claim 1, wherein the communication interface module comprises at least a type-c interface, a microUSB interface, and a Lightning interface.
3. The interactive system of claim 1, wherein the wireless communication module comprises at least a bluetooth module, a WiFi module and a 5G communication module.
4. The interactive system of claim 1, wherein the audio-video all-in-one machine further comprises a charging interface and a DC/DC converter connected with the charging interface; the master control chip, the omnidirectional pickup device, the omnidirectional camera device, the loudspeaker and the wireless communication module are all connected with the DC/DC converter.
5. The interactive system of claim 1, wherein the audio/video integrated machine further comprises an HDMI interface connected to the main control chip, and the display screen is connected to the main control chip through the HDMI interface.
6. The interactive system of claim 1, wherein the audio-video all-in-one machine further comprises an earphone interface connected with the main control chip.
7. The interactive system as claimed in claim 1, wherein the omnidirectional pickup device is a matrix 9 array omnidirectional microphone.
8. An interactive method of video conference, applied to the interactive system of any one of claims 1-6, comprising:
the method comprises the steps that a first main control chip obtains H.264/H.265 format video converted by an omnidirectional camera device and professional audio format audio converted by the omnidirectional pickup device, compresses and packages the H.264/H.265 format video and the professional audio format audio into first audio and video data and sends the first audio and video data to a first mobile terminal;
the first mobile terminal decompresses the first audio and video data, then performs coding processing on the decompressed first audio and video data to obtain corresponding coded data, and sends the coded data to a cloud server;
the cloud server sends the coded data to a second mobile terminal connected with the cloud server;
the second mobile terminal performs compression processing on the encoded data after decoding, obtains corresponding audio and video data and sends the corresponding audio and video data to a second main control chip;
the second main control chip decompresses the audio and video data to obtain the professional audio format audio and the H.264/H.265 format video, plays the professional audio format audio in real time through a loudspeaker connected with the second main control chip, and plays the H.264/H.265 format video in real time through a display screen connected with the second main control chip.
9. The interactive method of claim 8, wherein the method further comprises:
and detecting whether the second main control chip normally receives the audio and video data sent by the mobile terminal within a preset time period in the video conference process, and if the second main control chip does not normally receive the audio and video data sent by the mobile terminal, switching the wireless communication module and reestablishing connection with the mobile terminal.
10. The interactive method of claim 8, wherein the method further comprises: detecting whether an earphone interface connected with the second main control chip is connected with an earphone or not; and if the earphone interface is connected with an earphone, stopping playing the professional audio format audio by the loudspeaker connected with the second main control chip.
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Application publication date: 20201215 |
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| RJ01 | Rejection of invention patent application after publication |