CN112532909A - Video call system based on 5G communication technology - Google Patents
Video call system based on 5G communication technologyDownload PDFInfo
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- CN112532909A CN112532909ACN202011144024.6ACN202011144024ACN112532909ACN 112532909 ACN112532909 ACN 112532909ACN 202011144024 ACN202011144024 ACN 202011144024ACN 112532909 ACN112532909 ACN 112532909A
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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
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/147—Communication arrangements, e.g. identifying the communication as a video-communication, intermediate storage of the signals
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
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- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephonic Communication Services (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
Description
Technical Field
The invention relates to the technical field of communication, in particular to a video call system based on a 5G communication technology.
Background
The video call is a product of the development of the internet technology and is used for meeting the requirement of individuals or groups in different places for instant audio and video communication. The traditional video call system carries client application by using a computer or mobile phone device, carries out audio and video transmission through a 3G or 4G network, and has the defects of low bandwidth, unsmooth card and poor visual experience.
Disclosure of Invention
Technical problem to be solved
In order to solve the above problems in the prior art, the present invention provides a video call system based on 5G communication technology, which can improve the quality of video call.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that: a video call system based on a 5G communication technology comprises a first main control module, a second main control module, a 5G wireless communication module, an audio coding and decoding module, an audio player, a microphone, a voice interaction sub-module, a remote control module, a video coding and decoding module, a camera and a display screen;
the first main control module is respectively electrically connected with the 5G wireless communication module, the second main control module, the audio coding and decoding module, the voice interaction submodule and the video coding and decoding module, the audio coding and decoding module is respectively electrically connected with the audio player, the microphone and the 5G wireless communication module, the second main control module is respectively electrically connected with the voice interaction submodule, the remote control module and the display screen, the video coding and decoding module is respectively electrically connected with the 5G wireless communication module, the camera and the display screen, and the camera is electrically connected with the display screen.
(III) advantageous effects
The invention has the beneficial effects that: the invention can realize video call with high bandwidth, low time delay, stable network and high call quality based on 5G communication technology, and the first main control module and the second main control module work in parallel, thereby improving the work efficiency of the system and the speed of processing data.
Drawings
Fig. 1 is a schematic structural diagram of a video call system based on 5G communication technology according to the present invention;
FIG. 2 is a flow chart of a method for dialing and answering video calls via a remote control module in accordance with the present invention;
FIG. 3 is a flow chart of a method for dialing and answering a video call via the voice interaction sub-module according to the present invention;
[ description of reference ]
Dotted arrows in the figure:
representing an upstream audio-video stream;
solid arrows in the figure: → represents downstream audio-visual stream;
double-headed arrow in the figure:
representing a flow of control signals.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Referring to fig. 1 to 3, a video call system based on a 5G communication technology includes a first main control module, a second main control module, a 5G wireless communication module, an audio encoding and decoding module, an audio player, a microphone, a voice interaction sub-module, a remote control module, a video encoding and decoding module, a camera, and a display screen;
the first main control module is respectively electrically connected with the 5G wireless communication module, the second main control module, the audio coding and decoding module, the voice interaction submodule and the video coding and decoding module, the audio coding and decoding module is respectively electrically connected with the audio player, the microphone and the 5G wireless communication module, the second main control module is respectively electrically connected with the voice interaction submodule, the remote control module and the display screen, the video coding and decoding module is respectively electrically connected with the 5G wireless communication module, the camera and the display screen, and the camera is electrically connected with the display screen.
From the above description, the beneficial effects of the present invention are: the invention can realize video call with high bandwidth, low time delay, stable network and high call quality based on 5G communication technology, and the first main control module and the second main control module work in parallel, thereby improving the work efficiency of the system and the speed of processing data.
Furthermore, the 5G wireless communication module is connected with the first main control module through a serial port.
As can be seen from the above description, the 5G wireless communication module and the first main control module are connected through a serial port, so that the stability of data transmission is ensured.
Furthermore, the 5G wireless communication module is provided with an SIM card interface.
As can be seen from the above description, the SIM card interface is provided on the 5G wireless communication module, so that the authentication information can be provided for network access.
Furthermore, the first main control module and the second main control module are connected through an SPI interface.
From the above description, the first main control module and the second main control module are connected through the SPI interface, which ensures high speed and rapidness of communication between the two main control modules.
Furthermore, the remote control module is connected with the second main control module through an infrared interface.
As can be seen from the above description, the remote control module is connected to the second main control module through the infrared interface, so that the remote control operation can be conveniently performed.
Furthermore, the video coding and decoding module is respectively connected with the 5G wireless communication module and the camera through serial ports, and the video coding and decoding module is connected with the display screen through an HDMI interface.
According to the above description, the audio encoding and decoding module is connected with the 5G wireless communication module and the camera through the serial ports respectively, the stability of data transmission is guaranteed through the connection mode of the serial ports, and the video encoding and decoding module is connected with the display screen through the HDMI interface, so that high-definition video can be displayed, and the video quality is improved.
Furthermore, the camera collects video data in a YUV format according to a fixed frame, and outputs the video data in two paths, wherein one path of the video data is transmitted to the display screen for local preview, and the other path of the video data is transmitted to the video decoding module for processing.
From the above description, the video data in YUV format can greatly reduce the bandwidth, and the video data is output in two paths, one path is used for local preview, and the other path is transmitted to the video de-encoding module for processing, thereby ensuring that both the self and the other side can see the collected video data in the video process.
Further, the display screen is specifically an 8K television display screen.
From the above description, it can be known that the setting display screen is specifically an 8K television display screen, the screen is large and convenient to operate, and the video quality is excellent.
Further, the 5G wireless communication module is in communication with an IPTV network.
Example one
Referring to fig. 1 to 3, a video call system based on a 5G communication technology includes a first main control module (MCU _1), a second main control module (MCU _2), a 5G wireless communication module, an audio codec module, an audio player, a microphone, a voice interaction sub-module, a remote control module, a video codec module, a camera, and a display screen;
the first main control module is respectively electrically connected with the 5G wireless communication module, the second main control module, the audio coding and decoding module, the voice interaction submodule and the video coding and decoding module, the audio coding and decoding module is respectively electrically connected with the audio player, the microphone and the 5G wireless communication module, the second main control module is respectively electrically connected with the voice interaction submodule, the remote control module and the display screen, the video coding and decoding module is respectively electrically connected with the 5G wireless communication module, the camera and the display screen, and the camera is electrically connected with the display screen.
The 5G wireless communication module is connected with the first main control module through a serial port.
And the 5G wireless communication module is provided with an SIM card interface.
The first main control module and the second main control module are connected through an SPI interface.
The remote control module is connected with the second main control module through an infrared interface, is mainly used for answering and hanging up a video call, and can also be used for turning on and turning off a display screen.
The video coding and decoding module is respectively connected with the 5G wireless communication module and the camera through serial ports, and is connected with the display screen through an HDMI interface. The video coding and decoding module receives the video signals collected by the camera in real time, codes the received video signals and then sends the video signals to the 5G wireless communication module. In addition, the video coding and decoding module decodes the video signals received from the downlink of the 5G wireless communication module, and then the decoded video signals are sent to the display screen for display.
The camera collects video data in a YUV format according to a fixed frame, and outputs the video data in two paths, wherein one path of the video data is transmitted to the display screen for local preview, and the other path of the video data is transmitted to the video decoding module for processing.
The display screen is specifically an 8K television display screen.
The 5G wireless communication module is in communication with an IPTV network, and specifically, the 5G wireless communication module accesses the IPTV network through a 5G mobile network to obtain stable network quality and high-quality video call definition (e.g., 720P, 1080P or higher video definition).
Specifically, the second main control module is electrically connected with a display screen, the display screen is controlled by the second main control module, and the display screen is used for displaying a video call interface and comprises local video data and video data of the other side.
Specifically, the rate of data transmission from the wireless communication module to the network conforms to the channel bandwidth specified by the 5G communication protocol.
Specifically, the voice interaction submodule is connected with the first main control module and the second main control module in a serial SPI mode and is mainly used for voice control of connection and disconnection of video calls.
Specifically, the audio encoding and decoding module is controlled by the first main control module and is connected with the 5G wireless communication module through a serial port. In addition, the audio coding and decoding module is connected with the microphone through a serial port, receives audio signals collected by the microphone in real time, codes the audio signals and then sends the audio signals to the 5G wireless communication module. Meanwhile, the audio coding and decoding module is connected with an audio player through a serial port, receives the downlink audio stream signal of the 5G wireless communication module, decodes the audio stream signal and sends the decoded audio stream signal to the audio player for playing.
Referring to fig. 2, when a remote control module in the call system is used to make and receive a video call, the following steps are performed:
step 201, a calling party opens a video call system based on 5G communication technology.
Step 202, a calling party video call APP background starts, IPTV account information is read, and an authentication request is initiated to a video call platform.
Step 203, after the authentication request passes, waiting for initiating the video call request.
Step 204, the called party opens a video call system based on the 5G communication technology.
Step 205, the called party video call APP starts up in the background, reads the IPTV account information, and initiates an authentication request to the video call platform.
And step 206, after the called party authentication request passes, waiting for receiving the video call request.
And step 207, the calling party manually inputs the telephone number of the called party or selects the number of the opposite party from the address list and the call record through the remote control module, and presses a dialing key to dial the video call.
And step 208, the calling party starts the camera, and the 8K television display screen displays the local preview image.
Step 209, the video call APP of the called party receives the network side incoming call message, and the video call APP prompts the user to call the incoming call through ringing.
Step 210, after the called party answers the incoming call through the keys of the remote controller module, the system sends a response agreeing to establish a connection to the calling party.
And step 211, establishing video calls between the calling party and the called party, and starting the audio coding and decoding module and the video coding and decoding module.
Referring to fig. 3, when dialing and answering a video call by using the voice recognition sub-module in the present communication system, the following steps are performed:
step 301, the calling party opens a video call system based on 5G communication technology.
Step 302, starting a calling party video call APP background, reading IPTV account information, and initiating an authentication request to a video call platform.
Step 303, after the authentication request passes, waiting for initiating a video call request.
Step 304, the called party opens a video call system based on the 5G communication technology.
And 305, starting a called party video call APP background, reading IPTV account information, and initiating an authentication request to the video call platform.
And step 306, after the called party authentication request passes, waiting for receiving the video call request.
And 307, sending the video call after inputting the name or the telephone number of the called party by voice through the voice interaction submodule.
And step 308, the calling party starts a camera, and the 8K television display screen displays the local preview image.
Step 309, the video call APP of the called party receives the network side incoming call message, and the video call APP prompts the user to call the incoming call through ringing.
In step 310, after the called party answers the incoming call through the voice interaction submodule, the system sends a response of agreeing to establish a connection to the calling party.
And 311, establishing a video call between the calling party and the called party, and starting the audio coding and decoding module and the video coding and decoding module.
In summary, the video call system based on the 5G communication technology provided by the invention can realize video call with high bandwidth, low time delay, stable network and high call quality based on the 5G communication technology, and the first main control module and the second main control module work in parallel, thereby improving the working efficiency of the system and the speed of processing data.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (9)
1. A video call system based on a 5G communication technology is characterized by comprising a first main control module, a second main control module, a 5G wireless communication module, an audio coding and decoding module, an audio player, a microphone, a voice interaction sub-module, a remote control module, a video coding and decoding module, a camera and a display screen;
the first main control module is respectively electrically connected with the 5G wireless communication module, the second main control module, the audio coding and decoding module, the voice interaction submodule and the video coding and decoding module, the audio coding and decoding module is respectively electrically connected with the audio player, the microphone and the 5G wireless communication module, the second main control module is respectively electrically connected with the voice interaction submodule, the remote control module and the display screen, the video coding and decoding module is respectively electrically connected with the 5G wireless communication module, the camera and the display screen, and the camera is electrically connected with the display screen.
2. The video call system based on the 5G communication technology as claimed in claim 1, wherein the 5G wireless communication module is connected with the first main control module through a serial port.
3. The video call system based on 5G communication technology as claimed in claim 1, wherein the 5G wireless communication module is provided with a SIM card interface.
4. The video call system based on 5G communication technology as claimed in claim 1, wherein the first main control module and the second main control module are connected through an SPI interface.
5. The video call system based on 5G communication technology as claimed in claim 1, wherein the remote control module is connected with the second main control module through an infrared interface.
6. The video call system based on the 5G communication technology as claimed in claim 1, wherein the video encoding and decoding module is respectively connected with the 5G wireless communication module and the camera through serial ports, and the video encoding and decoding module is connected with the display screen through an HDMI interface.
7. The video call system based on the 5G communication technology of claim 1, wherein the camera collects video data in YUV format according to a fixed frame, and outputs the video data in two paths, one path is transmitted to the display screen for local preview, and the other path is transmitted to the video codec module for processing.
8. The video call system based on 5G communication technology as claimed in claim 1, wherein the display screen is an 8K television display screen.
9. The video call system based on 5G communication technology as claimed in claim 1, wherein the 5G wireless communication module is in communication with an IPTV network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011144024.6ACN112532909A (en) | 2020-10-23 | 2020-10-23 | Video call system based on 5G communication technology |
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| CN202011144024.6ACN112532909A (en) | 2020-10-23 | 2020-10-23 | Video call system based on 5G communication technology |
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- 2020
- 2020-10-23CNCN202011144024.6Apatent/CN112532909A/enactivePending
Patent Citations (6)
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| CN102480349A (en)* | 2010-11-23 | 2012-05-30 | 大连兆阳软件科技有限公司 | Hot backup system of telephone conference system |
| CN102740040A (en)* | 2012-02-06 | 2012-10-17 | 福州瑞芯微电子有限公司 | Android system-based 3G video telephone system and realizing method thereof |
| US20140176659A1 (en)* | 2012-12-21 | 2014-06-26 | Apple Inc. | Offloading a video portion of a video call |
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