CN111901537B - Broadcast television interactive program production mode based on cloud platform - Google Patents
Broadcast television interactive program production mode based on cloud platform Download PDFInfo
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- CN111901537B CN111901537B CN202010598760.2A CN202010598760A CN111901537B CN 111901537 B CN111901537 B CN 111901537B CN 202010598760 A CN202010598760 A CN 202010598760A CN 111901537 B CN111901537 B CN 111901537B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/265—Mixing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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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
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Abstract
The invention provides a broadcast television interactive program production mode based on a cloud platform, which relates to the technical field of broadcast television production and comprises the following steps: the cloud platform is provided with at least one virtual room; the local equipment is used for pushing the obtained local video stream signal of the studio into a virtual room for storage; the guest terminals are used for pushing the obtained guest video data into a virtual room for storage; the responsibility editing end is used for managing and operating each guest end which is positioned in the same virtual room with the responsibility editing end; and the large-screen server is used for pulling the corresponding guest video data according to the responsibility encoding instruction which is sent by the responsibility encoding end and contains the video number, and combining the guest video data with the local video stream signal for screen output. The beneficial effects are that the method is adapted to professional manufacturing processes; the monitoring and management of the responsible editing end are realized; low-delay audio and video transmission is ensured; the functions of split screen display, real-time scheduling, switching and zooming and the like can be realized; supporting overseas guest access; customized modification of interactive mode.
Description
Technical Field
The invention relates to the technical field of broadcast television production, in particular to a cloud platform-based broadcast television interactive program production method.
Background
With the deep integration of information technology and traditional broadcast television technology, the traditional television program production mode changes silently, especially the influence of internet technology on the traditional industry is deepened day by day in recent years, the requirements of editing and creating programs in various forms through mobile terminals, portable computers and the like are more and more urgent at any place, and the traditional television station production and broadcasting mode is more and more challenged under the change of new technology and new requirements.
In the prior art, the patent document with publication number CN102595053A discloses a cloud recording and playing system, which comprises a user terminal and a network server terminal connected by signals, wherein the user terminal comprises a photographing unit and a coding unit, the coding unit encodes a photographed dynamic image, the network server terminal comprises an identification unit, a menu module, a control unit, a program production module, a program playing module and a storage unit, the identification unit is used for identifying the identity, the control unit provides function selection, the control unit activates the program production module and/or the program playing module, when the program production module is activated, a program production window is presented for program production, when the program playing module is activated, a player window is presented for playing a program, the storage unit stores various data, the user terminal can directly produce a program at the network server terminal without complicated menu tools and post-production, can be widely applied to various fields.
However, the above broadcast television program production process has the following technical problems: the method is not suitable for the production flow of the broadcast television program, is inconvenient for post production, and does not ensure the program quality; the method has no unilateral monitoring management, so that the safe recording or live broadcasting of the broadcast television cannot be guaranteed; the transmission quality of sound and pictures is not high, and the problems of delay, blockage, asynchrony of sound and pictures and the like exist; flexible adjustment and switching of pictures after multi-signal access cannot be realized; no special solutions for overseas access are considered; the interaction mode is fixed and can not be adjusted.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a broadcast television interactive program production mode based on a cloud platform, which specifically comprises the following steps:
the cloud platform is provided with at least one virtual room;
the local equipment is connected with the cloud platform and used for pushing the obtained local video stream signal of the studio into the virtual room for storage;
the guest terminals are respectively connected with the cloud platform and used for pushing the obtained guest video data into the virtual room for storage;
each path of guest video data has a video number associated with the corresponding guest terminal;
the responsibility compiling end is connected with the cloud platform and used for managing and operating each guest end which is positioned in the same virtual room with the responsibility compiling end;
and the large-screen server is connected with the cloud platform and used for acquiring a responsible editing instruction which is sent by the responsible editing end and contains the video number through the cloud platform, pulling the corresponding guest video data according to the responsible editing instruction, and combining the guest video data with the local video stream signal for screen output.
Preferably, each virtual room has a preset studio number and a corresponding login password, the responsible editing end and each guest end join the same virtual room according to the studio number and the login password,
preferably, the local device includes:
the camera is used for acquiring local video data of the studio;
and the video conversion equipment is connected with the camera and used for converting the local video data into the local video stream signal and pushing the local video stream signal into the virtual room for storage.
Preferably, the responsible editing end implements the management operation by sending an instant messaging message to each guest end.
Preferably, the management operation includes that the responsible compiling terminal puts the guest terminal into a preparation group, or puts the guest terminal into a broadcasting group, or performs downloading processing on the guest terminal, or performs muting processing on the guest terminal, or broadcasts all the guest terminals, or performs one-to-one conversation with the guest terminals.
Preferably, the responsible end includes:
the pre-broadcasting monitoring unit is used for obtaining the guest video data of each guest end from the cloud platform for pre-broadcasting and viewing so as to perform broadcasting preprocessing on a broadcasting picture of each guest video data, generating the responsible editing instruction when a pre-broadcasting viewing result shows that the guest video data is in a normal broadcasting state, and adopting a preset studio emergency scheme when the pre-broadcasting viewing result shows that the guest video data is in an abnormal broadcasting state.
Preferably, the playing preprocessing includes performing a large-small screen switching, and/or a microphone turning-off processing, and/or a screen turning-off processing, and/or a separate recording on the playing picture.
Preferably, the preview viewing result includes a real-time network state and/or a real-time image quality state of each guest terminal.
Preferably, the responsible editing end further comprises a customized service unit, which is used for providing a plurality of preset interactive templates for interaction use of each guest end, and pushing interactive contents to the large-screen server for real-time display.
Preferably, at least one overseas server is deployed in the cloud platform, and is used for the guest terminal overseas to access the virtual room.
The technical scheme has the following advantages or beneficial effects: the professional production process of the broadcast television program is adapted; the monitoring and management of the responsible editing end to the guest end are realized; the low-delay audio and video transmission of high-definition and ultrahigh-definition pictures is ensured; the functions of split screen display, real-time scheduling, switching and zooming and the like can be realized by accessing a plurality of paths of real-time picture signals; particularly deploying an overseas server to support overseas guest access; and customizing and modifying the interactive mode according to the requirements of the program groups.
Drawings
Fig. 1 is a schematic structural diagram of a method for making interactive tv/broadcast programs based on a cloud platform according to a preferred embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. The present invention is not limited to the embodiment, and other embodiments may be included in the scope of the present invention as long as the gist of the present invention is satisfied.
In a preferred embodiment of the present invention, based on the above problems in the prior art, a method for making a broadcast television interactive program based on a cloud platform is provided, as shown in fig. 1, which specifically includes:
the system comprises a cloud platform 1, wherein the cloud platform 1 is provided with at least one virtual room;
the local equipment 2 is connected with the cloud platform 1 and used for pushing the obtained local video stream signals of the studio into the virtual room for storage;
the guest terminals 3 are respectively connected with the cloud platform 1 and used for pushing the obtained guest video data into a virtual room for storage;
each path of guest video data has a video number associated with the corresponding guest terminal 3;
the responsibility editing end 4 is connected with the cloud platform 1 and is used for managing and operating each guest end 3 which is positioned in the same virtual room with the responsibility editing end 4;
and the large-screen server 5 is connected with the cloud platform 1 and is used for acquiring the responsibility editing instruction which is sent by the responsibility editing end 4 and contains the video number through the cloud platform 1, pulling the corresponding guest video data according to the responsibility editing instruction, and combining the guest video data with the local video stream signal for screen output.
Specifically, in this embodiment, the present invention preferably adopts the real-time audio/video technology of the Tencent cloud to implement a multiparty low-latency call, wherein the Guest end 3 and the responsible editing end 4 serving as clients access the cloud platform 1 in real-time audio/video through the mobile terminal and the web end, and further, an RTC SDK development kit is integrated in an android system or an IOS system of the mobile terminal, and a private protocol is used to perform plug-flow and pull-flow operations with the cloud platform.
Furthermore, each virtual room of the cloud platform 1 corresponds to a preset studio number and a login password, so that the guest terminal 3 and the responsible editing terminal 4 can join the virtual room. The responsible editing end 4 preferably develops a windows client program in a C # mode, adds the windows client program into a virtual room by using a studio number and a login password, can pull a list of guests which log in the same virtual room and contain all guests, and can perform management operation on all guests, wherein the management operation includes but is not limited to putting the guests 3 into a preparation group, putting the guests 3 into a broadcasting group, performing downloading processing on the guests 3, performing muting processing on the guests 3, broadcasting all the guests 3, and performing one-to-one conversation with the guests 3, and all the management operations are realized in an instant messaging mode. Furthermore, through the cloud platform 1, the responsible editing end 4 can have a two-way call with the guest end 3, and perform operations such as large screen switching or close screen of a guest for a picture accessed by the guest end 3; the responsibility editing end 4 can also pre-broadcast and check the picture accessed by the guest end 3, and monitor the network condition and the image quality condition of the guest end 3 in real time, wherein the network condition is the uplink and downlink network speed and is displayed on the upper right corner of the guest picture in real time for real-time checking. When the responsible editing end 4 places the access picture of the guest end 3 to the seat to be broadcast, the guest end 3 can watch the PGM return and wait for the scene in real time; a screen combination picture formed by a plurality of guest video data and a program return picture of the video stream signal after the video camera signal conversion are both viewed by the guest terminal 3 and managed and selected by the responsible editing terminal 4; all the access guest terminals 3 adopt the broadcast television service language and are recorded independently without crosstalk.
Through the real-time monitoring to the above-mentioned network condition, can realize the studio and meet the guarantee: in a live broadcast mode, when the network of the guest terminal 3 is unstable, situations such as picture blockage and guest disconnection can occur, a studio emergency scheme can be adopted, and the scheme is preset by a studio; and in the recording mode, the device can be communicated with post-production in a seamless way, namely, the picture of the folding screen can be repackaged.
Further preferably, the local device 2 of the present invention further comprises a video conversion device 22, and the video conversion device 22 is preferably a conversion device loaded with a video card to capture the camera signal of the camera 21 and convert the camera signal into a video stream signal to be pushed into the virtual room. In the virtual room, different guest video data have different names, and are identified according to the video numbers of the corresponding guest terminals 3, and simultaneously, each path of guest video data can be displayed in real time on the interfaces of the responsible editing terminal 4 and the guest terminals 3.
After the guest video data are obtained, the responsibility editing end 4 selects the guest video data according to the playing requirement to carry out playing management, generates a responsibility editing instruction containing a video number of the guest video data, and sends the responsibility editing instruction to the large-screen server 5 through the cloud platform 1, and the large-screen server 5 draws the corresponding guest video data from the virtual room according to the responsibility editing instruction so as to carry out SDI output after the guest video data and the local video streaming signals are combined.
As a preferred embodiment, the cloud platform 1 includes a database and a background manager connected to the database, and the background manager creates a virtual room, an instant messaging group, and an instant messaging signaling group and stores the virtual room, the instant messaging group, and the instant messaging signaling group in the database. When the guest end 3 and the responsible editing end 4 serving as the client end join the virtual room, the background management end firstly checks the legality of the guest end 3 and the responsible editing end 4, including checking that the login name of a common user can not be started by roll, and the like, if the legality check does not pass, the background management end prompts the user, and if the legality check passes, the background management end returns an instant messaging message group and an instant messaging signaling group name which are joined in the virtual room by the guest end 3 and the responsible editing end 4 to establish real-time audio and video communication, and respectively exits the instant messaging message group and the instant messaging signaling group in the virtual room after the communication is finished. The background management terminal is further configured to maintain the virtual room, the instant messaging message group, and the instant messaging signaling group, including but not limited to deleting the virtual room, deleting a single or all users in the group, dismissing the group, and the like.
In a preferred embodiment of the present invention, each virtual room has a preset studio number and a corresponding login password, and the responsible editing end 4 and each guest end 3 join the same virtual room according to the studio number and the login password.
In a preferred embodiment of the invention, the local device 2 comprises:
the camera 21 is used for collecting local video data of the studio;
and the video conversion device 22 is connected with the camera 21 and used for converting the local video data into a local video stream signal and pushing the local video stream signal into the virtual room for storage.
In the preferred embodiment of the present invention, the responsible editing end 4 implements the management operation by sending an instant message to each guest end 3.
In a preferred embodiment of the present invention, the management operation includes that the responsible compiling terminal 4 puts the guest terminal 3 into the preparation group, or puts the guest terminal 3 into the broadcasting group, or performs downloading processing on the guest terminal 3, or performs muting processing on the guest terminal 3, or broadcasts all the guest terminals 3, or performs one-to-one communication with the guest terminals 3.
In a preferred embodiment of the present invention, the responsible editing end 4 includes:
the pre-broadcasting monitoring unit 41 is configured to acquire guest video data of each guest client 3 from the cloud platform 1 to perform pre-broadcasting viewing, so as to perform pre-broadcasting processing on a playing picture of each guest video data, generate a liability editing instruction when a pre-broadcasting viewing result indicates that the guest video data is in a normal playing state, and adopt a preset studio emergency scheme when the pre-broadcasting viewing result indicates that the guest video data is in an abnormal playing state.
In a preferred embodiment of the present invention, the pre-processing of playing includes performing a screen size switch, and/or a screen off processing, and/or a separate listing on the playing picture.
In a preferred embodiment of the present invention, the preview viewing result includes a real-time network status and/or a real-time image quality status of each guest client 3.
In a preferred embodiment of the present invention, the responsible compiling terminal 4 further includes a customized service unit 42, configured to provide a plurality of preset interaction templates for the guest terminals 3 to use interactively, and push the interaction content to the large-screen server 5 for real-time display.
Specifically, in this embodiment, the interactive function customizing service is a pre-developed interactive template, and includes: like a praise, smiling face, clapping, etc.; the online chatting is displayed in a bullet screen mode; customizing interactive links such as voting, answering or games; the interactive content supports real-time screen-up. The user can carry out the customization of interactive template according to the demand, satisfies diversified demand.
In a preferred embodiment of the present invention, at least one overseas server 11 is deployed in the cloud platform 1, and is used for the overseas guest terminal 3 to access the virtual room.
Specifically, in this embodiment, the overseas server 11, that is, the overseas RTC node (chat room), is deployed to receive the video stream signal upload from the overseas, so that the overseas guest access can be supported.
The first embodiment is as follows: cloud connection mode:
program cases: happy comedy people-cloud comedy king, tonight's life show, dear meal of dear love, eastern great sights;
deriving a plurality of content forms such as cloud chatting, cloud answering, cloud games and the like for the Jiabinin entertainers at home and abroad on line; the host records programs in a studio, and the program is professional and efficient; and guests are accessed from home, so that the atmosphere is easy to be mixed.
Example two: cloud audience mode:
case (1): happy comedy people and great dancers;
more than one hundred audiences watch the program online and access the program recording site in real time to become cloud audiences to participate in program recording; recording of the comprehensive art program requires a large amount of on-site interaction and feedback, in the aspect of program production, audience existence can support program atmosphere, and in the aspect of honored guest performance, audience reaction is favorable for stage performance; the cloud audience mode can reflect shots and reactions of hundreds of audiences participating in program recording at home on site, and the program group can select a characteristic guest from the audiences for screen projection; the spectators can simultaneously interact with the host and the guests in real time through the comment barrage, the voting function is used for various PK competition links of the comprehensive art program, and the emotion interaction function also has visual animation effects of praise, laugh, drumbeat and the like.
Specifically, the audience logs in from a guest terminal, enters a recording site after being audited by a responsibility editing terminal (the responsibility editing terminal firstly puts the audience into a preparation group and then puts the audience into a broadcasting group), and performs large-screen display; the responsibility editing end manages the broadcasting state of the audience, can broadcast all the audiences and can carry out independent conversation with a certain audience; the bullet screen and the voting screen display the comment bullet screen and the voting result sent by the audience; the excellent audience pictures can be selected for projection, amplification and display, and can be recorded independently.
Example three: cloud signing mode:
case (2): the major project contract signing ceremony in Shanghai city, five shopping festivals:
the client with low delay, no return and controllable conversation perfectly ensures the conference safety and realizes the synchronous signing of online enterprises; each signing enterprise is connected to a large field screen through a guest terminal and interacts with a main meeting place in real time to realize remote signing experience; all pictures are in seamless butt joint with a field professional broadcast television system, so that the safety of cloud subscription is ensured; the picture quality of all contractors displayed on a large screen is presented in 720P/1080P high definition;
example four: cloud studio + real studio:
case (2): the Chinese New relatives and the famous physicians' health preserving:
in the 'Chinese new relatives', the cloud technology and the virtual studio technology are combined, so that seamless butt joint of cloud signals and SDI signals is realized, and a connection picture can be directly used in a real-scene shed and a virtual shed;
the blame editing end can manage the audience queue to wait on line, in famous medical health preserving, a Leishen mountain one-line doctor connects through the APP end as if the doctor is in the spot of the studio to do a visitor.
Example five: customizing a cloud concert mode:
case (1): meeting Bar! Station(s):
the production capability of the network live broadcast is improved and is already in the meeting bar! The radio station has completed multi-field online live broadcast, the live broadcast time is six weeks and days of the week, and the live broadcast time is as long as 6 hours. The online sound quality effect for music programs can be compatible with various external sound card devices.
Example six: customizing a match cloud explanation form:
and the comment guests receive the event international signals through the client to watch and comment, the comment signals are processed and returned through professional software, then the clips are manufactured again, and the persons who manufacture the clips finally output the clip to the audiences after sound and picture synchronization processing. The physical distance between the comment guests and the studio is broken, and the travel cost and the commuting time of the comment guests are greatly saved;
specifically, a comment guest receives an event international signal through a mobile device to watch and comment; the comment signal is processed by professional software and is transmitted back to a rear manufacturing end; and finally outputting the sound and picture to the user after sound and picture synchronous processing by the manufacturer.
Example seven: cloud live broadcast:
providing two servers, connecting the responsible editing end through a converter, wherein the two servers of the main machine and the standby machine are responsible for acquiring program signals, namely local camera signals, and the converter is used for signal conversion; the program signal is transmitted to a client (a responsible editing end/a guest end), and the responsible editing end carries out broadcasting management on each guest; and a notebook computer can be additionally prepared in the studio field to log in a guest page, and a large screen is projected to display a screen-combined picture.
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 without departing from the spirit and scope of the invention.
Claims (10)
1. The utility model provides a broadcast television interactive program production mode based on cloud platform which characterized in that specifically includes:
the cloud platform is provided with at least one virtual room;
the local equipment is connected with the cloud platform and used for pushing the obtained local video stream signal of the studio into the virtual room for storage;
the guest terminals are respectively connected with the cloud platform and used for pushing the obtained guest video data into the virtual room for storage;
each path of guest video data has a video number associated with the corresponding guest terminal;
the responsibility compiling end is connected with the cloud platform and used for managing and operating each guest end which is positioned in the same virtual room with the responsibility compiling end;
and the large-screen server is connected with the cloud platform and used for acquiring a responsible editing instruction which is sent by the responsible editing end and contains the video number through the cloud platform, pulling the corresponding guest video data according to the responsible editing instruction, and combining the guest video data with the local video stream signal for screen output.
2. The method of claim 1, wherein each of the virtual rooms has a preset studio number and a corresponding login password, and the responsible editing end and each of the guest ends join the same virtual room according to the studio number and the login password.
3. The interactive broadcast television programming method of claim 1, wherein the local device comprises:
the camera is used for collecting local video data of the studio;
and the video conversion equipment is connected with the camera and used for converting the local video data into the local video streaming signal and pushing the local video streaming signal into the virtual room for storage.
4. The interactive program production method of claim 1, wherein the responsible editing end implements the management operation by sending an instant messaging message to each guest end.
5. The interactive program production method of claim 4,
the management operation comprises the fact that the responsible compiling terminal puts the guest terminal into a preparation group, or puts the guest terminal into a broadcasting group, or carries out broadcasting-down processing on the guest terminal, or carries out mute processing on the guest terminal, or broadcasts all the guest terminals, or carries out one-to-one conversation with the guest terminals.
6. The interactive program production method of broadcast television as claimed in claim 1, wherein the responsible party comprises:
the pre-broadcasting monitoring unit is used for acquiring the guest video data of each guest end from the cloud platform to perform pre-broadcasting viewing so as to perform playing preprocessing on a playing picture of each guest video data, generating the blazing instruction when a pre-broadcasting viewing result shows that the guest video data is in a normal playing state, and adopting a preset studio emergency scheme when the pre-broadcasting viewing result shows that the guest video data is in an abnormal playing state.
7. The interactive program production method of claim 6, wherein the pre-processing of playing comprises performing a size screen switch, and/or a off-screen processing, and/or an off-screen processing, and/or a separate recording on the playing picture.
8. The method of claim 6, wherein the pre-broadcast viewing result comprises a real-time network status and/or a real-time quality status of each guest.
9. The method of claim 1, wherein the responsible editing end further comprises a customized service unit for providing a plurality of preset interactive templates for the guests to use in an interactive manner, and pushing interactive contents to the large-screen server for real-time display.
10. The interactive programming method of claim 1, wherein at least one overseas server is deployed in the cloud platform for the overseas guests to access the virtual room.
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| CN112561475A (en) * | 2020-12-15 | 2021-03-26 | 北京孵家科技股份有限公司 | Electronic signing system and method |
| CN115396684B (en) * | 2022-08-23 | 2024-07-23 | 抖音视界有限公司 | Wheat connecting display method and device, electronic equipment and computer readable medium |
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