CN111629219A - Multi-party interaction and live broadcast control system and control method - Google Patents
Multi-party interaction and live broadcast control system and control method Download PDFInfo
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- CN111629219A CN111629219A CN202010280480.7A CN202010280480A CN111629219A CN 111629219 A CN111629219 A CN 111629219A CN 202010280480 A CN202010280480 A CN 202010280480A CN 111629219 A CN111629219 A CN 111629219A
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- 230000003993 interaction Effects 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000002452 interceptive effect Effects 0.000 claims abstract description 33
- 238000004891 communication Methods 0.000 claims description 18
- 238000004806 packaging method and process Methods 0.000 claims description 13
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000739 chaotic effect Effects 0.000 abstract description 2
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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]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
- H04N21/47—End-user applications
- H04N21/478—Supplemental services, e.g. displaying phone caller identification, shopping application
- H04N21/4788—Supplemental services, e.g. displaying phone caller identification, shopping application communicating with other users, e.g. chatting
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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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Abstract
The invention relates to the technical field of studio live broadcast interaction, in particular to a multi-party interactive live broadcast control system and a control method, wherein the control system comprises: the creating module is used for creating an SDI server through the board card and is used for a reporter and a guest to log in one of a plurality of room addresses to serve as a conference address; the decoding module is used for decoding the SDI video signals to the reporter and the guest through the board cards respectively; the encoding module is used for encoding the signal of the host in a conference address through the board card so as to receive the SDI video signal; the disc-type video recorder comprises a disc-type video recorder module, a disc-type video recorder module and a disc-type video recorder module, wherein the disc-type video recorder module is used for selecting an SDI video signal of one party of a reporter and a guest or a multi-party SDI video signal according to situation requirements and; and the interaction module is used for interacting the output SDI video signal with the host. The technical scheme of the invention has the beneficial effects that: the host can conveniently interact with the reporter and the guest in real time, the noisy and chaotic situation of interactive sound can not occur, the transmission quality is high, and the cost is low.
Description
Technical Field
The invention relates to the technical field of studio live broadcast interaction, in particular to a multi-party interactive live broadcast control system and a control method.
Background
A melt media reporter of television news and some guests outside a scene need to interact with a host in a studio through a mobile terminal and show the interactive content to audiences.
In the prior art, the first is to use a WeChat to perform interactive connection: the remote reporter is connected to a computer in a studio through mobile phone WeChat, the studio uses a method of converting VGA (Video Graphics Array Video Graphics matrix) to SDI (Serial digital Interface digital component serial Interface) to connect screen content into the studio (switching station and sound console) to interact with a host, and then carries out later-stage packaging, but the method has the defects that the WeChat picture quality is poor, and the screen capturing mode is not suitable for multi-person connection and interaction of the host.
The second is to use the live system for connection: the far-end reporter can send a very stable signal to a server of a studio, the server inputs an SDI signal to be accessed into the studio, and then the SDI signal is packaged and broadcasted at the later stage, and the picture quality is stable, but the method has the defects that the delay is between 1 and 2 seconds, the live broadcasting system is in single transmission, namely, the reporter cannot see the picture of a host.
The third is to use a cisco conference system: the Cisco conference system is a conference solution based on MCU (microcontrollerUnit), which can make a plurality of users interact in a conference room, the conference room contains a host and each reporter, the studio can take SDI pictures of each participant through a terminal of the conference system, the video pictures of each participant can be packaged in the studio and can interact and broadcast with the host, and multi-party communication can be carried out. Resulting in less good processing at a later stage and also more expensive. Therefore, the above problems are difficult problems to be solved by those skilled in the art.
Disclosure of Invention
Aiming at the problems in the prior art, a multi-party interactive live broadcast control system and a control method are provided.
The specific technical scheme is as follows:
the invention provides a multi-party interaction and live broadcast control system, which is applied to real-time interaction among a reporter, a guest and a host in live television broadcast, and comprises a communication server established at a cloud end and used for providing a plurality of room addresses, wherein the multi-party interaction and live broadcast control system further comprises:
the creating module is used for creating an SDI server through a board card and enabling each reporter and each guest to jointly log in one of the room addresses to serve as a conference address;
the decoding module is connected with the creating module and used for decoding an SDI video signal to each reporter and each guest through the board card respectively;
the encoding module is connected with the decoding module and used for encoding a host signal in the conference address through the board card so as to receive the SDI video signal;
the disc-type encoder is connected with the encoder module and used for selecting the SDI video signal of one party of a reporter and a guest or the SDI video signals of multiple parties according to condition requirements so as to correspondingly output the SDI video signal;
and the interaction module is connected with the responsibility editing control module and is used for accessing the output SDI video signal into a switching table and a sound console of a studio through the de-embedding equipment to generate a return signal to interact with a host.
Preferably, the system further comprises a packaging module, connected to the interactive module, and configured to package an interactive picture among the reporter, the guest and the host so as to be displayed to the audience.
Preferably, the responsibility control module includes:
a selection unit for selecting one of the SDI video signals of a reporter and a guest or a plurality of SDI video signals according to the situation requirement;
and the output unit is connected with the selection unit and is used for carrying out serial digital interface output on the selected SDI video signal.
Preferably, the system further comprises a production module, which is used for producing a corresponding application program on a mobile phone client through a software development kit provided by the communication server, so that the reporter or the guest can interact with the host.
Preferably, the board card is a codec board card.
The invention also provides a control method for multi-party interaction and live broadcast, which is applied to the control system for multi-party interaction and live broadcast, and the control method comprises the following steps:
step S1, a creating module is adopted, an SDI server is created through a board card, and each reporter and each guest are jointly logged in one of the room addresses to serve as a conference address;
step S2, a decoding module is adopted to decode an SDI video signal to each reporter and each guest through the board card;
step S3, an encoding module is adopted to encode the host signal in the conference address through the board card so as to receive the SDI video signal;
step S4, selecting one SDI video signal of a reporter and a guest or a plurality of SDI video signals of a plurality of guests according to the situation requirement by adopting a responsibility encoding control module so as to correspondingly output the SDI video signals;
and step S5, adopting an interactive module to access the output SDI video signal to a switching station and an audio mixing station of a studio through the de-embedding equipment so as to generate a return signal to interact with a host.
Preferably, the method further comprises the following steps:
and step S6, a packaging module is adopted to package the interactive pictures among the reporter, the guest and the host so as to show the interactive pictures to the audience.
Preferably, the step S4 includes:
step S40, selecting one SDI video signal of a reporter and a guest or multiple SDI video signals according to the situation requirement by adopting a selection unit;
and step S41, adopting an output unit to output the selected SDI video signal through a serial digital interface.
The technical scheme of the invention has the beneficial effects that: the SDI server is established by using the board card and used as a conference address for logging in each reporter and each guest together, and SDI video signals are decoded out from each reporter and each guest through the board card respectively, so that the host can interact with the reporter and the guest in real time, the noisy and chaotic condition of interactive sound can not occur, the transmission quality is high, and the cost is low.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is a block diagram of a control system of an embodiment of the present invention;
FIG. 2 is a block diagram of a responsibility orchestration control module in the control system according to an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a control method according to an embodiment of the present invention;
fig. 4 is a diagram of step S4 of the control method according to the embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
The invention provides a multi-party interactive and live broadcast control system, which is applied to real-time interaction among a reporter, a guest and a host in live television broadcast, and comprises a communication server established at a cloud end and used for providing a plurality of room addresses, and is characterized by also comprising:
the creating module 1 is used for creating an SDI server through a board card, and is used for each reporter and each guest to jointly log in one of a plurality of room addresses to serve as a conference address;
the decoding module 2 is connected with the creating module 1 and is used for decoding an SDI video signal to each reporter and each guest through the board card respectively;
the encoding module 3 is connected with the decoding module 2 and used for encoding the signal of the host in the conference address through the board card so as to receive the SDI video signal;
a responsible encoding control module 4 connected to the encoding module 3 for selecting SDI video signals of one of the reporter and the guest or multi-party SDI video signals according to the situation requirement to output SDI video signals correspondingly;
and the interaction module 5 is connected with the responsibility editing control module 4 and used for accessing the output SDI video signal into a switching table and a sound console of a studio through the de-embedding equipment to generate a return signal to interact with a host.
The intelligent video recorder further comprises a packaging module 6 which is connected with the interactive module 5 and used for packaging the interactive pictures among the reporter, the guest and the host so as to show the interactive pictures to the audience.
Through the control system provided by the above, as shown in fig. 1, a communication server of a webrtc webpage real-time communication framework is created at a cloud end, the communication server provides a plurality of room addresses, high-quality real-time audio/video communication and point-to-point file transmission can be performed in each room address, all users to be interacted log in one room address on the communication server, and the users in the room addresses can see and communicate with each other at a network end.
The invention in this embodiment is focused on creating an SDI server by using a board card in the creating module 1, so that each reporter and each guest jointly register one of the room addresses as a conference address, for example, after creating an SDI server, ten people (including the reporter and the guests) need to perform conference interaction, and then the ten people need to select the same room address from the room addresses, which is also referred to as a conference address, so that the ten people can monitor and communicate at their respective network ends.
Further, the decoding module 2 uses the above board card to decode the SDI video signals separately for each reporter and each guest, for example (this example also uses ten persons in the above example), and uses the board card to decode a SDI video signal separately for each person participating in the interaction, so that the SDI video signals of each person do not interfere with each other.
Further, through encoding module 3, adopt the integrated circuit board again to encode the signal of moderator in the meeting address for the moderator in the studio can clearly receive the SDI video signal of everyone in the meeting address.
Furthermore, the communication server also provides a webpage, so that one SDI video signal or a multi-party SDI video signal of a reporter or a guest is selected in the studio through the responsibility encoding control module 4 according to the situation requirement, and the selected SDI video signal is output through a corresponding serial digital interface.
Further, the output SDI video signal is accessed to a switching station and a sound console of a studio through an embedding device through an interaction module 5 to generate a return signal, a presenter of the studio interacts with a reporter or a guest according to the return signal, in addition, a corresponding application program can be manufactured through a mobile phone client by adopting a software development kit, so that the reporter or the guest can log in a room address provided by a communication server, the reporter or the guest can interact with the presenter in the application program, the reporter and the reporter can also interact, and similarly, the guest and the guest can also interact.
And finally, packaging the interactive pictures among the reporter, the guest and the host through a packaging module 6 so as to display the interactive pictures to the audience.
In a preferred embodiment, the responsibility control module 4 comprises:
a selection unit 40 for selecting one of the reporter and the guest SDI video signal or multiple SDI video signals according to the situation requirement;
and the output unit 41 is connected with the selection unit and is used for carrying out serial digital interface output on the selected SDI video signal.
Specifically, as shown in fig. 2, the responsibility encoding control module 4 firstly selects an SDI video signal of one of the reporter and the guest or a multi-party SDI video signal according to the situation requirement through the selection unit 40, and then outputs the selected SDI video signal through the output unit 41.
In a preferred embodiment, the system further comprises a production module (not shown) for producing a corresponding application program on a mobile client through a software development kit provided by the communication server, so that the reporter or guest can interact with the host.
Specifically, in this embodiment, a platform capable of interacting is provided for the reporter and the guest, that is, a software tool development kit provided by the communication server is used for making a corresponding application program by using mobile phones of the reporter and the guest, so that the reporter or the guest can log in a room address provided by the communication server, and in the application program, the reporter or the guest can interact with a host, can interact between the reporter and the reporter, and similarly can interact between the guest and the guest.
In a preferred embodiment, the board card is a codec board card.
The invention also provides a control method for multi-party interaction and live broadcast, wherein the control method is applied to the control system for multi-party interaction and live broadcast, and comprises the following steps:
step S1, a creating module 1 is adopted, an SDI server is created through a board card, and each reporter and each guest are jointly logged in one of a plurality of room addresses to serve as a conference address;
step S2, decoding an SDI video signal to each reporter and each guest by a board card by adopting a decoding module 2;
step S3, adopting an encoding module 3 to encode the host signal in the conference address through a board card so as to receive the SDI video signal;
step S4, selecting SDI video signals of one of the reporter and the guest or multi-party SDI video signals according to the situation requirement by adopting a responsibility encoding control module 4 to correspondingly output the SDI video signals;
and step S5, adopting an interactive module 5 to access the output SDI video signal to a switching station and an audio mixing station of the studio through the de-embedding equipment so as to generate a return signal to interact with the host.
Further comprising:
and step S6, a packaging module 6 is adopted to package the interactive pictures among the reporter, the guest and the host so as to show the interactive pictures to the audience.
Through the control method provided above, as shown in fig. 3, in the creating module 1, a board card is used to create an SDI server, which is used for each reporter and each guest to jointly log in one of the room addresses to serve as a conference address, for example, after creating an SDI server, ten people (including the reporter and the guests) need to perform conference interaction, and then the ten people need to select the same room address from the room addresses, and this room address is also referred to as a conference address, so that the ten people can monitor and communicate at their respective network ends.
Further, the decoding module 2 uses the above board card to decode the SDI video signals separately for each reporter and each guest, for example (this example also uses ten persons in the above example), and uses the board card to decode a SDI video signal separately for each person participating in the interaction, so that the SDI video signals of each person do not interfere with each other.
Further, through encoding module 3, adopt the integrated circuit board again to encode the signal of moderator in the meeting address for the moderator in the studio can clearly receive the SDI video signal of everyone in the meeting address.
Furthermore, the communication server also provides a webpage, so that one SDI video signal or a multi-party SDI video signal of a reporter or a guest is selected in the studio through the responsibility encoding control module 4 according to the situation requirement, and the selected SDI video signal is output through a corresponding serial digital interface.
Further, the output SDI video signal is accessed to a switching station and a sound console of a studio through an embedding device through an interaction module 5 to generate a return signal, a presenter of the studio interacts with a reporter or a guest according to the return signal, in addition, a corresponding application program can be manufactured through a mobile phone client by adopting a software development kit, so that the reporter or the guest can log in a room address provided by a communication server, the reporter or the guest can interact with the presenter in the application program, the reporter and the reporter can also interact, and similarly, the guest and the guest can also interact.
And finally, packaging the interactive pictures among the reporter, the guest and the host through a packaging module 6 so as to display the interactive pictures to the audience.
In a preferred embodiment, as shown in fig. 4, step S4 includes:
step S40, selecting one of the SDI video signals of the reporter and the guest or a plurality of SDI video signals according to the situation requirement by using a selection unit 40;
step S41, using an output unit 41 to output the selected SDI video signal through a serial digital interface.
Specifically, firstly, the selection unit 40 selects an SDI video signal of one of the reporter and the guest or a multi-party SDI video signal according to the situation requirement, and then the output unit 41 outputs the selected SDI video signal through a serial digital interface.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (8)
1. A multi-party interaction and live broadcast control system is applied to real-time interaction among reporters, guests and hosts in live broadcast, comprises a communication server established at the cloud end and provides a plurality of room addresses, and is characterized by further comprising:
the creating module is used for creating an SDI server through a board card and enabling each reporter and each guest to jointly log in one of the room addresses to serve as a conference address;
the decoding module is connected with the creating module and used for decoding an SDI video signal to each reporter and each guest through the board card respectively;
the encoding module is connected with the decoding module and used for encoding a host signal in the conference address through the board card so as to receive the SDI video signal;
the disc-type encoder is connected with the encoder module and used for selecting the SDI video signal of one party of a reporter and a guest or the SDI video signals of multiple parties according to condition requirements so as to correspondingly output the SDI video signal;
and the interaction module is connected with the responsibility editing control module and is used for accessing the output SDI video signal into a switching table and a sound console of a studio through the de-embedding equipment to generate a return signal to interact with a host.
2. The multi-party interactive live broadcast control system as claimed in claim 1, further comprising a packaging module connected to the interactive module for packaging interactive pictures among the reporter, the guest and the host for showing to the audience.
3. The system of claim 5, wherein the responsibility control module comprises:
a selection unit for selecting one of the SDI video signals of a reporter and a guest or a plurality of SDI video signals according to the situation requirement;
and the output unit is connected with the selection unit and is used for carrying out serial digital interface output on the selected SDI video signal.
4. The multi-party interactive live broadcast control system as claimed in claim 1, further comprising a production module for producing a corresponding application program on a mobile client through a software development kit provided by the communication server, so that a reporter or a guest can interact with a host.
5. The multi-party interactive and live broadcast control system as claimed in claim 1, wherein the board is an encoding/decoding board.
6. A multiparty interactive live broadcast control method, which is applied to the multiparty interactive live broadcast control system according to any one of claims 1 to 5, wherein the control method comprises:
step S1, a creating module is adopted, an SDI server is created through a board card, and each reporter and each guest are jointly logged in one of the room addresses to serve as a conference address;
step S2, a decoding module is adopted to decode an SDI video signal to each reporter and each guest through the board card;
step S3, an encoding module is adopted to encode the host signal in the conference address through the board card so as to receive the SDI video signal;
step S4, selecting one SDI video signal of a reporter and a guest or a plurality of SDI video signals of a plurality of guests according to the situation requirement by adopting a responsibility encoding control module so as to correspondingly output the SDI video signals;
and step S5, adopting an interactive module to access the output SDI video signal to a switching station and an audio mixing station of a studio through the de-embedding equipment so as to generate a return signal to interact with a host.
7. The method of claim 6, further comprising:
and step S6, a packaging module is adopted to package the interactive pictures among the reporter, the guest and the host so as to show the interactive pictures to the audience.
8. The method of claim 6, wherein the step S4 comprises:
step S40, selecting one SDI video signal of a reporter and a guest or multiple SDI video signals according to the situation requirement by adopting a selection unit;
and step S41, adopting an output unit to output the selected SDI video signal through a serial digital interface.
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Application publication date: 20200904 |