CN213186288U - Video live broadcast system - Google Patents
Video live broadcast system Download PDFInfo
- Publication number
- CN213186288U CN213186288U CN202022439474.XU CN202022439474U CN213186288U CN 213186288 U CN213186288 U CN 213186288U CN 202022439474 U CN202022439474 U CN 202022439474U CN 213186288 U CN213186288 U CN 213186288U
- Authority
- CN
- China
- Prior art keywords
- data stream
- editing
- camera
- vehicle
- wireless
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims description 17
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 230000000694 effects Effects 0.000 claims description 9
- 239000013307 optical fiber Substances 0.000 claims description 7
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Abstract
The application provides a video live broadcast system, relates to the communication field, can exert wireless communication's convenience, realizes the video rebroadcast of super high definition lightweight. The system comprises a relay station, and a camera device and a broadcast control platform which are respectively in communication connection with the relay station; wherein the camera device comprises a wireless camera and an encoder; the output end of the wireless camera is connected with the encoder, and the encoder is used for encoding and modulating the multimedia data acquired by the wireless camera into an acquired data stream and then transmitting the acquired data stream to the relay van through a wireless network; the rebroadcasting vehicle comprises a vehicle-mounted antenna; the rebroadcasting vehicle receives the acquired data stream through the vehicle-mounted antenna, uses the acquired data stream to manufacture an output data stream, and then sends the output data stream to the broadcast control platform through the vehicle-mounted antenna; and the broadcast control platform is used for controlling the broadcast of the output data stream.
Description
Technical Field
The application relates to the technical field of communication, in particular to a video live broadcast system.
Background
The live broadcasting of large activities is a major task of television stations, and is mainly realized by deploying large-scale broadcasting vehicles on site at present. The large-scale rebroadcasting vehicle comprises a plurality of cameras, a plurality of optical cables, a hardware director, a hardware caption machine and the like, wherein a video operator acquires video signals by using the cameras, the optical cables transmit the video signals back to the rebroadcasting vehicle in a wired mode, the field director carries out director artistic processing on the plurality of video signals in the rebroadcasting vehicle to generate a broadcasting signal, and the broadcasting signal is transmitted back to the television station to meet national audiences in real time.
In the prior art, the manner in which the broadcast signal ultimately generated by the broadcast van is transmitted back to the television station is dependent upon the cable resources at the location. In places with rich optical cable resources, such as large stadiums with communication optical cables laid in advance, broadcasting signals enter a core network of an operator through the optical cables and are directly transmitted back to a television station; in the area with deficient optical cable resources, the broadcast signals can be transmitted back to the television station in real time only by using a satellite communication mode. However, this method requires a satellite antenna with a large volume on the relay truck, and is very costly to realize live tv broadcast with 4K definition.
SUMMERY OF THE UTILITY MODEL
The application provides a video live broadcast system, can exert wireless communication's convenience, realizes the video rebroadcast of super high definition lightweight.
In order to achieve the purpose, the technical scheme is as follows:
the application provides a video live broadcast system, which comprises a rebroadcasting vehicle, and a camera device and a broadcast control platform which are respectively in communication connection with the rebroadcasting vehicle; wherein the camera device comprises a wireless camera and an encoder; the output end of the wireless camera is connected with the encoder, and the encoder is used for encoding and modulating the video signal acquired by the wireless camera into an acquired data stream and then transmitting the acquired data stream to the relay van through a wireless network; the rebroadcasting vehicle comprises a vehicle-mounted antenna; the rebroadcasting vehicle receives the acquired data stream through the vehicle-mounted antenna, uses the acquired data stream to manufacture an output data stream, and then sends the output data stream to the broadcast control platform through the vehicle-mounted antenna; and the broadcast control platform is used for controlling the broadcast of the output data stream.
The application provides a live video system, including the rebroadcasting car, and respectively with rebroadcasting car communication connection's camera device and broadcast accuse platform, wherein, camera device includes wireless camera and encoder, and the encoder is connected to wireless camera's output, and the encoder is used for modulating into the video signal code that wireless camera gathered and gathers the data stream, and rethread wireless network sends to the rebroadcasting car, and the rebroadcasting car uses the data stream of gathering preparation output data stream to broadcast it to broadcasting accuse platform. The application provides a live video system, all utilize 5G wireless network to communicate between rebroadcast car and camera device, the broadcast accuse platform, can exert the advantage of wireless communication's convenience, greatly increased the flexibility of the machine position of multi-media collection. The characteristics of 5G large bandwidth are utilized, and the definition of live video can reach an ultra-high definition level. Meanwhile, when a video live broadcast task is carried out, the work of preparing a microwave station in advance, arranging an optical cable and adjusting and measuring a satellite antenna is omitted.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a video live broadcast system provided in an embodiment of the present application;
fig. 2 is another video live broadcast system provided in an embodiment of the present application;
fig. 3 is another video live broadcast system provided in an embodiment of the present application.
Detailed Description
The video live broadcast system provided by the embodiment of the application is described in detail below with reference to the accompanying drawings.
The term "and/or" herein is merely an association describing an associated object, meaning that three relationships may exist, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone.
The terms "first" and "second" and the like in the description and drawings of the present application are used for distinguishing different objects or for distinguishing different processes for the same object, and are not used for describing a specific order of the objects.
Furthermore, the terms "including" and "having," and any variations thereof, as referred to in the description of the present application, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It should be noted that in the embodiments of the present application, words such as "exemplary" or "for example" are used to indicate examples, illustrations or explanations. Any embodiment or design described herein as "exemplary" or "e.g.," is not necessarily to be construed as preferred or advantageous over other embodiments or designs. Rather, use of the word "exemplary" or "such as" is intended to present concepts related in a concrete fashion.
In the description of the present application, the meaning of "a plurality" means two or more unless otherwise specified.
As shown in fig. 1, the present embodiment provides a live video system, which includes an image pickup device 11, a relay truck 12, and a broadcast control platform 13. The camera device 11 and the relay truck 12, and the relay truck 12 and the broadcast control platform 13 may be connected through wireless network communication, for example, through a 5G network communication. With the progress of communication technology, the wireless network may also be a future wireless network, such as a 6G wireless network, and the like, and the form of the wireless network is not limited in the present application, and communication connection between the relay truck and the camera device and the broadcast control platform may also be implemented in other manners, which is not limited in the present application. The following description will be made taking as an example that the camera 11 and the relay truck 12, and the relay truck 12 and the broadcast control platform 13 can be connected by 5G network communication.
The camera device 11 comprises a wireless camera 111 and an encoder 112, wherein an output end of the wireless camera 111 is connected with the encoder 112, and the encoder 112 is used for encoding and modulating multimedia data acquired by the wireless camera into an acquired data stream, and then sending the acquired data stream to the relay truck 12 through a wireless network. In particular, the wireless camera can be deployed under different 5G base stations, so that the moving range is not limited by the base station of the relay station. Optionally, the multimedia data collected by the wireless camera 111 includes, but is not limited to, video data, audio data, and image data. After multimedia data collected by the wireless camera 111 is coded and modulated by the encoder 112, the multimedia data is wirelessly transmitted to a corresponding 5G base station by a 5G communication module in the encoder 112.
The relay station vehicle 11 includes a vehicle-mounted antenna 111, and the relay station vehicle 11 receives the collected data stream through the vehicle-mounted antenna 111, uses the collected data stream to produce an output data stream, and then sends the output data stream to the broadcast control platform 13 through the vehicle-mounted antenna 111. The collected data stream is sent to a 5G base station where the relay truck is located in an IP routing mode, and is received by a vehicle-mounted antenna on the relay truck in a wireless mode. According to the requirement of live video, the rebroadcasting vehicle uses the collected data stream to produce an output data stream for live video.
The broadcast control platform 13 is configured to control the broadcast of the output data stream. Optionally, the broadcast control platform 13 is a television station broadcast control center or an internet distribution platform, and is configured to implement broadcasting and management of the broadcast data stream content.
Combine above-mentioned structure, the video live broadcast system that this application provided all utilizes the 5G network to communicate between rebroadcast car and camera device, the broadcast accuse platform, can exert the advantage of wireless communication's convenience, has increased the flexibility of the machine position of multi-media collection greatly. The characteristics of 5G large bandwidth are utilized, and the definition of live video can reach an ultra-high definition level. Meanwhile, when a video live broadcast task is carried out, the work of preparing a microwave station in advance, arranging an optical cable and adjusting and measuring a satellite antenna is omitted.
In order to further facilitate the production of the output data stream and reduce the volume of the relay van, the embodiment of the present application further provides another implementation manner of the video live broadcasting system, and as shown in fig. 2, the relay van further includes a decoder 122, a first storage device 123, an editing device 124, a second storage device 125, a display 126, and a format conversion device 127.
The input end of the decoder 122 is connected to the vehicle-mounted antenna 121, and the output end of the decoder 122 is connected to the editing device 124 and the first storage device 123. The decoder 122 is used to decode and format convert the collected data stream into a wireless input signal for the editing device 124. Specifically, the on-board antenna 121 on the relay truck 12 receives the collected data stream in a wireless manner, sends the collected data stream to the corresponding decoder 122, and sends the collected data stream to the editing device 124 as a wireless input signal of the editing device 124 after decoding and format conversion. Meanwhile, the wireless input signal obtained after decoding and format conversion is sent to the first storage device 123, and the multimedia data collected by the wireless camera is stored as a media resource.
The input end of the editing device 124 is connected to the decoder 122, the first output end of the editing device 124 is connected to the display 126, the second output end of the editing device 124 is connected to the second storage device 125, and the editing device 124 is configured to receive an editing operation input by a user and make the wireless input signal into an output signal. The editing operation specifically includes: director switching, caption adding and special effect adding. Optionally, the editing apparatus 124 is a director integrator, which is a device for performing a combination of clips on multiple television signals, and the basic functions of the editing apparatus 124 include: selecting suitable input material from a plurality of input signals, making a basic transition between two input signals, creating or accessing special effects. The introduction of the director all-in-one machine can reduce the volume required by a video live broadcast system.
The user completes the operations of switching the multi-channel input signals, adding subtitles, adding special effects and the like through the operation of the editing equipment 124. Optionally, for an interface requiring a high-end special effect, the special effect processing may be performed through an external special effect system, and then the processed special effect is returned to the editing device 124 and inserted into the output signal.
The input end of the format conversion device 127 is connected to the editing device 124, and the output end of the format conversion device 127 is connected to the vehicle-mounted antenna 121, and is used for converting the output signal format into the output data stream.
Editing device 124 outputs three signal streams through different interfaces: the first type is connected with the in-vehicle monitoring display 126 through an HDMI interface, and outputs monitoring signals for monitoring multiple input signals and final output signals; the second type is connected with a second storage device 125 through a video cable, and records and backups the output signals; the third type is connected with the format conversion equipment in the vehicle through an Ethernet interface, converts an output signal into an output data stream, sends the output data stream to the vehicle-mounted antenna 121 through an antenna feeder line, and sends the output data stream to a television station broadcast control center or an Internet distribution platform.
Combine above-mentioned structure, the video live broadcast system that this application provided all utilizes 5G wireless network to communicate between rebroadcast car and camera device, the broadcast accuse platform, can exert the advantage of wireless communication's convenience, has increased the flexibility of the machine position of multi-media collection greatly. The characteristics of 5G large bandwidth are utilized, and the definition of live video can reach an ultra-high definition level. Meanwhile, when a video live broadcast task is carried out, the work of preparing a microwave station in advance, arranging an optical cable and adjusting and measuring a satellite antenna is omitted. And a broadcast control all-in-one machine is introduced, so that the volume required by a video live broadcast system is further reduced.
In order to combine the advantages of wired transmission and wireless transmission, the embodiment of the present application further provides another implementation manner of a live video system, as shown in fig. 3, the camera device 11 further includes a wired camera 113, and the relay truck 12 further includes a time delay 128.
The cable camera 113 is connected with the relay truck 12 through an optical fiber, and is configured to send the multimedia data collected by the cable camera 113 to the relay truck 12 through the optical fiber.
The input end of the delay 128 is connected to the cable camera 113 through an optical fiber, the output end of the delay 128 is connected to the editing device 124 and the first storage device 123, and the delay 128 is configured to add a predetermined delay to the multimedia data collected by the cable camera 113, and use the predetermined delay as a cable input signal of the editing device 124, so that the cable input signal and the wireless input signal are synchronized.
Specifically, the wired camera 113 directly transmits the multimedia data acquired by the wired camera 113 to the relay truck 12 in an optical fiber manner, enters the time delayer 128, and the time delayer 128 delays the multimedia data, so that the problem of signal synchronization between wired input signals and wireless input signals is solved. Meanwhile, the wired input signal is also transmitted to the first storage device 123, and the multimedia data collected by the wired camera is stored as a media resource reserve.
The above description is only an embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions within the technical scope of the present disclosure should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (6)
1. A video live broadcast system is characterized by comprising a rebroadcast vehicle, a camera device and a broadcast control platform, wherein the camera device and the broadcast control platform are respectively in communication connection with the rebroadcast vehicle; wherein the content of the first and second substances,
the camera device comprises a wireless camera and an encoder; the output end of the wireless camera is connected with the encoder, and the encoder is used for encoding and modulating the multimedia data acquired by the wireless camera into an acquired data stream and then transmitting the acquired data stream to the relay van through a wireless network;
the rebroadcasting vehicle comprises a vehicle-mounted antenna; the rebroadcasting vehicle receives the acquired data stream through the vehicle-mounted antenna, uses the acquired data stream to manufacture an output data stream, and then sends the output data stream to the broadcast control platform through the vehicle-mounted antenna;
and the broadcast control platform is used for controlling the broadcast of the output data stream.
2. The system of claim 1, wherein the relay cart further comprises a decoder, a first storage device, an editing device, a second storage device, and a display;
the input end of the decoder is connected with the vehicle-mounted antenna, the output end of the decoder is connected with the editing equipment and the first storage equipment, and the decoder is used for decoding and converting the acquired data stream into a wireless input signal of the editing equipment;
the input end of the editing equipment is connected with the decoder, the first output end of the editing equipment is connected with the display, the second output end of the editing equipment is connected with the second storage equipment, and the editing equipment is used for receiving editing operation input by a user and making the wireless input signal into an output signal.
3. The system of claim 1,
the camera device further comprises a wired camera, the wired camera is connected with the relay truck through optical fibers and used for sending the multimedia data collected by the wired camera to the relay truck through the optical fibers.
4. The system of claim 3, wherein the relay cart further comprises a decoder, a time delay, a first storage device, an editing device, a second storage device, and a display;
the input end of the decoder is connected with the vehicle-mounted antenna, the output end of the decoder is connected with the editing equipment and the first storage equipment, and the decoder is used for decoding and converting the acquired data stream into a wireless input signal of the editing equipment;
the input end of the delayer is connected with the wired camera through an optical fiber, the output end of the delayer is connected with the editing equipment and the first storage equipment, and the delayer is used for adding preset delay to multimedia data collected by the wired camera and is used as a wired input signal of the editing equipment so as to enable the wired input signal and the wireless input signal to be synchronous;
the first input end of the editing device is connected with the decoder, the second input end of the editing device is connected with the delayer, the first output end of the editing device is connected with the display, the second output end of the editing device is connected with the second storage device, and the editing device is used for receiving editing operation input by a user and making the wired input signal and the wireless input signal into output signals.
5. The system of claim 2 or 4,
the editing operation specifically includes: director switching, caption adding and special effect adding.
6. The system of claim 2 or 4, wherein the broadcasting van further comprises a format conversion device, an input end of the format conversion device is connected with the editing device, and an output end of the format conversion device is connected with the vehicle-mounted antenna, so as to convert the output signal format into the output data stream.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022439474.XU CN213186288U (en) | 2020-10-28 | 2020-10-28 | Video live broadcast system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022439474.XU CN213186288U (en) | 2020-10-28 | 2020-10-28 | Video live broadcast system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213186288U true CN213186288U (en) | 2021-05-11 |
Family
ID=75780427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022439474.XU Active CN213186288U (en) | 2020-10-28 | 2020-10-28 | Video live broadcast system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213186288U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507574A (en) * | 2021-06-15 | 2021-10-15 | 中央广播电视总台 | System for processing and playing ultrahigh-definition video |
-
2020
- 2020-10-28 CN CN202022439474.XU patent/CN213186288U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507574A (en) * | 2021-06-15 | 2021-10-15 | 中央广播电视总台 | System for processing and playing ultrahigh-definition video |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2761347C (en) | Satellite signal distribution | |
| CN105392020A (en) | Internet video direct broadcasting method and system | |
| CN112601033B (en) | Cloud rebroadcasting system and method | |
| CN213094332U (en) | Rebroadcasting vehicle and cloud rebroadcasting vehicle | |
| WO2016054835A1 (en) | Multimedia cloud intelligent system for transportation vehicle | |
| KR100703340B1 (en) | Apparatus and method for providing broadcasting channel information in a digital broadcasting system based on internet protocol | |
| CN104661044A (en) | Broadcasting and TV OTT (over the top) integration terminal and implementing method thereof | |
| CN113507574A (en) | System for processing and playing ultrahigh-definition video | |
| CN213186288U (en) | Video live broadcast system | |
| CN101547341B (en) | Method and device for realizing intercommunication of video monitoring system and video service system | |
| CN100373941C (en) | Digital television broadcasting system based on MPEG-1 | |
| JPH09130350A (en) | Transmission method and device of multimedia service on wideband private network | |
| CN114286022A (en) | Support direct broadcast of 5G's 8K super high definition video full service rebroadcasting car | |
| CN211019017U (en) | SDI-OVER-IP lossless transmission decoding device | |
| CN102457775A (en) | Wired digital television system and method for data interaction through wireless terminal | |
| CN106034259A (en) | Router and broadcasting method for multipath broadcast digital television signals | |
| CN1416627A (en) | Transmission of content description information and connection information in digital broadcast networks | |
| CN213693842U (en) | Video rebroadcasting system | |
| KR20150039627A (en) | System and method for providing IPTV service | |
| CN105635800A (en) | Wireless television program transmission method and set-top box | |
| JP4613446B2 (en) | Broadcast data distribution system | |
| CN218183417U (en) | Support live equipment of 5G and live knapsack of double-circuit code transmission | |
| KR101519063B1 (en) | System and method for broadcasting in local area, and network relay apparatus applied to the same | |
| KR20100127031A (en) | Method and apparatus for receiving a broadcasting signal | |
| CN201528405U (en) | Broadcast equipment, broadcast service platform and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |