CN110166743A - A kind of wireless video transmission system - Google Patents
A kind of wireless video transmission system Download PDFInfo
- Publication number
- CN110166743A CN110166743A CN201910339706.3A CN201910339706A CN110166743A CN 110166743 A CN110166743 A CN 110166743A CN 201910339706 A CN201910339706 A CN 201910339706A CN 110166743 A CN110166743 A CN 110166743A
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- China
- Prior art keywords
- format
- video
- wireless
- wireless video
- transmission system
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/382—Monitoring; Testing of propagation channels for resource allocation, admission control or handover
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/70—Media network packetisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/75—Media network packet handling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention proposes that a kind of wireless video transmission system, wireless video transmission system include: bastion host, wireless video encoder, video camera and streaming media server；Bastion host launches LTE signal and is built into a LTE wireless network, wireless video encoder receives bastion host and launches LTE signal and form wireless connection with bastion host, streaming media server is electrically connected with bastion host, wireless video encoder and camera shooting mechatronics, wireless video encoder is by the Video Quality Metric of SDI format or HDMI format that video camera is shot at being converted to H.264 format or H.265 the IP network video flowing of format, by H.264 format or H.265 by bastion host, the IP network video of format is streamed to streaming media server to wireless video encoder；Wireless video transmission system proposed by the present invention uses exclusively for transmission of video the protocol stack of depth optimization, keeps transmission of video more smooth, time delay is lower.
Description
Technical field
The present invention relates to wireless image transmission field more particularly to a kind of wireless video transmission systems.
Background technique
Wireless video transmission system is widely used in the fields such as live telecast, network direct broadcasting, on-site wireless supervision, still
Traditional wireless video transmission system is all based on the wireless transmission of 4G public network, and there are network bandwidth bottlenecks to ask for the wireless transmission of 4G public network
Topic, especially in site of activity such as some big sports, performance, a large amount of 4G equipment for surfing the net can make 4G public network wireless-transmission network
The problem of bandwidth bottleneck, more highlights, cause wireless video transmission system can not steady operation, this influence very much wireless video biography
The functions such as live telecast, network direct broadcasting and the on-site wireless prison of defeated system；In addition, traditional wireless video transmission system is often
It is worked with a fixed frequency spectrum, each frequency spectrum for thering is a large amount of 4G equipment for surfing the net to cause site of activity due to site of activity
Use state be that each frequency spectrum that changeable, traditional wireless video transmission system is unable to scanning activity scene uses shape
State can not automatically select an optimal frequency spectrum, and will cause wireless video transmission system is carried out in a crowded frequency spectrum
Work influences the stability of wireless video transmission system work.
Summary of the invention
To solve the above-mentioned problems, the present invention propose one kind possess dedicated network, can automatically scanning selection optimal spectrum
Wireless video transmission system.
What the invention is realized by the following technical scheme:
The present invention proposes a kind of wireless video transmission system, and the wireless video transmission system includes: bastion host, wireless
Video encoder, video camera and streaming media server；The bastion host launches LTE signal and is built into a LTE wireless network
Network, the wireless video encoder reception bastion host, which is launched LTE signal and formed with the bastion host, wirelessly to be connected
It connecing, the streaming media server is electrically connected with the bastion host, the wireless video encoder and the camera shooting mechatronics,
The wireless video encoder is by the Video Quality Metric of SDI format or HDMI format that the video camera is shot at being converted to
H.264 format or H.265 the IP network video flowing of format, the wireless video encoder will H.264 formats by LTE signal
Or H.265 the IP network video of format is streamed to the bastion host, the bastion host can receive multichannel institute simultaneously
It states the H.264 format of wireless video encoder transmission or H.265 the IP network video flowing of format, the bastion host will
H.264 format or H.265 the IP network video of format is streamed to the streaming media server, the streaming media server will
H.264 format or H.265 the IP network video flowing of format is converted into the video of SDI format or HDMI format.
Further, the bastion host further includes antenna for base station；The antenna for base station is electrically connected with the bastion host,
The bastion host launches LTE signal by the antenna for base station.
Further, it is equipped with storage hard disk in the streaming media server, the streaming media server can will H.264 lattice
The IP network video flowing of formula or H.265 format is stored in the storage hard disk.
Further, the wireless video transmission system further include: monitor；The monitor and the streaming media service
Device electrical connection, the streaming media server play the transmission of video of SDI format or HDMI format to the monitor.
Further, the wireless video transmission system further include: Video Decoder and cut bank；The Video Decoder
It is electrically connected with the streaming media server, the cut bank and Video Decoder electrical connection.
Further, the wireless video transmission system further include: digitial-switch platform；The digitial-switch platform and the stream
Media server electrical connection.
Beneficial effects of the present invention:
1. the bastion host of wireless video transmission system proposed by the present invention can automatically scanning scene frequency spectrum, avoid automatically
Interference band selects clean working frequency range, guarantees the reliability of wireless video transmission system to greatest extent.
2. the LTE wireless network of wireless video transmission system proposed by the present invention being built by bastion host is passed
Defeated work, not by other 3G, 4G, the interference of WIFI equipment, be particularly suitable for large-scale activity, the crowd is dense the 4G public network such as place without
The environment of method normal use.
3. wireless video transmission system proposed by the present invention uses exclusively for transmission of video the protocol stack of depth optimization, make
Transmission of video is more smooth, and time delay is lower.
Detailed description of the invention
Fig. 1 is the structure chart of wireless video transmission system of the invention；
Fig. 2 is wireless video transmission system of the invention for schematic diagram when monitoring；
Fig. 3 is schematic diagram when wireless video transmission system of the invention is used for live telecast；
Fig. 4 is schematic diagram when wireless video transmission system of the invention is used for network direct broadcasting.
Specific embodiment
In order to it is clearer, completely illustrate technical solution of the present invention, the present invention is made with reference to the accompanying drawing further
Explanation.
Referring to FIG. 1, the present invention proposes that a kind of wireless video transmission system, the wireless video transmission system include: base
Station host 10, wireless video encoder 20, video camera 30 and streaming media server 40；The bastion host 10 launches LTE letter
Number it is built into a LTE wireless network, the wireless video encoder 20 receives the bastion host 10 and launches LTE signal simultaneously
It is formed and is wirelessly connected with the bastion host 10, the streaming media server 40 is electrically connected with the bastion host 10, the nothing
Line video encoder 20 is electrically connected with the video camera 30, and the wireless video encoder 20 shoots the video camera 30
The Video Quality Metric of SDI format or HDMI format is at being converted to H.264 format or H.265 the IP network video flowing of format, institute
State wireless video encoder 20 H.264 format or H.265 the IP network video of format are streamed to by LTE signal it is described
Bastion host 10, the bastion host 10 can receive the H.264 format of the transmission of wireless video encoder 20 described in multichannel simultaneously
Perhaps H.265 the IP network video flowing of the format bastion host 10 by H.264 format or H.265 format IP network regard
Frequency is streamed to the streaming media server 40, and the streaming media server 40 is by H.264 format or the H.265 IP network of format
Network video flowing is converted into the video of SDI format or HDMI format.
In the present embodiment, the bastion host 10 launches LTE signal and is built into a dedicated LTE wireless network
Network, dedicated LTE wireless network transmission performance is excellent, and coverage area and stability are better than 4G public network, and coverage area is more than 5KM,
The single bastion host 10 supports the HD video transmission on the road 5-15, the wireless video transmission system by the base station
The LTE wireless network that host 10 is built into carries out transmission work, not by other 3G, 4G, the interference of WIFI equipment, is particularly suitable for
Large-scale activity, the crowd is dense the 4G public network such as place can not normal use environment；In use, the bastion host 10 can be automatic
Live frequency spectrum is scanned, the clean working frequency range of the Frequency Band Selection that avoids interference automatically guarantees the wireless video transmission to greatest extent
The reliability of system；The wireless video transmission system uses exclusively for transmission of video the protocol stack of depth optimization, makes video
Transmission is more smooth, and time delay is lower；When transmitting work, SDI lattice that the wireless video encoder 20 shoots the video camera 30
The Video Quality Metric of formula or HDMI format is described wireless at being converted to H.264 format or H.265 the IP network video flowing of format
By H.264 format or H.265 by LTE signal, the IP network video of format is streamed to the base station master to video encoder 20
Machine 10, the single bastion host 10 support the HD video transmission of the wireless video encoder 20 on the road 5-15, the base
By the H.264 format of multichannel or H.265 station host 10 can the IP network video of format be streamed to the Streaming Media simultaneously
Server 40, by H.264 format or H.265, the IP network video flowing of format is converted into SDI lattice to the streaming media server 40
By the transmission of video of SDI format or HDMI format to external equipment after the video of formula or HDMI format, video is so far completed
Transmission.
Further, the bastion host 10 further includes antenna for base station 11；The antenna for base station 11 and the bastion host
10 electrical connections, the bastion host 10 launch LTE signal by the antenna for base station 11.
In the present embodiment, the antenna for base station 11 is omnidirectional antenna or directional aerial；User can be according to the nothing
The operative scenario selection omnidirectional antenna or directional aerial of line Video transmission system, thus save the manufacture of the bastion host 10 at
This.
Further, storage hard disk 41 is equipped in the streaming media server 40, the streaming media server 40 can incite somebody to action
H.264 format or H.265 the IP network video flowing of format is stored in the storage hard disk 41.
In the present embodiment, when the streaming media server 40 is received from the bastion host 10 transmission
H.264 format perhaps H.265 the IP network video flowing of format when the streaming media server 40 can will H.264 format or
H.265 the IP network video flowing of format is stored in the storage hard disk 41, is then read H.265 from the storage hard disk 41
The IP network video flowing of format and the video that the IP network video flowing of H.265 format is converted into SDI format or HDMI format,
Finally by the transmission of video of SDI format or HDMI format to external equipment, the transmission of video is so far completed.
Please refer to Fig. 1 and Fig. 2, the wireless video transmission system further include: monitor 50；The monitor 50 with it is described
Streaming media server 40 is electrically connected, and the streaming media server 40 is by the transmission of video of SDI format or HDMI format to described
Monitor 50 plays.
In the present embodiment, when the wireless video transmission system is acted on for monitoring, the streaming media server
40 regard by the IP network video flowing of the H.265 format transmitted from the bastion host 10 and by the IP network of H.265 format
Frequency circulation changes the last streaming media server 40SDI format of video or HDMI format of SDI format perhaps HDMI format into
Transmission of video to the monitor 50 play；When the wireless video transmission system is only used as monitoring effect, the single base
Station host 10 can support the wireless transmission work of 15 wireless video encoders 20, compared to traditional wireless video transmission
System, the wireless video transmission system have the excellent of seat in the plane more (breaking through most 10 limitations of traditional wireless image transmission system)
Point.
Please refer to Fig. 1 and Fig. 3, the wireless video transmission system further include: Video Decoder 60 and cut bank 70；It is described
Video Decoder 60 is electrically connected with the streaming media server 40, and the cut bank 70 and the Video Decoder 60 are electrically connected.
In the present embodiment, when the wireless video transmission system is used for live telecast, the single bastion host
The wireless transmission work of 105 wireless video encoders 20 described above, the streaming media server 40 will be from the base
H.265 the IP network video flowing of format is simultaneously converted into SDI format by the IP network video flowing for the H.265 format that station host 10 transmits
Perhaps the transmission of video of the last streaming media server 40SDI format of the video of HDMI format or HDMI format is to described
Video Decoder 60, the Video Decoder 60 use the transmission of video of SDI format or HDMI format to the cut bank 70
Family operates the cut bank 70 according to the actual situation and the video of SDI format or HDMI format is passed through external direct broadcasting satellite vehicle
Launch and completes live telecast.
Please refer to Fig. 1 and Fig. 4, the wireless video transmission system further include: digitial-switch platform 80；The digitial-switch platform
80 are electrically connected with the streaming media server 40.
In the present embodiment, when the wireless video transmission system is used for network direct broadcasting, the single bastion host
The wireless transmission work of 106 wireless video encoders 20 described above, the streaming media server 40 will be from the base
H.265 the IP network video flowing of format is simultaneously converted into SDI format by the IP network video flowing for the H.265 format that station host 10 transmits
Perhaps the transmission of video of the last streaming media server 40SDI format of the video of HDMI format or HDMI format is to described
Digitial-switch platform 80, the digitial-switch platform 80 access internet, and user operates the digitial-switch platform 80 according to the actual situation
The video of SDI format or HDMI format is launched by external direct broadcasting satellite vehicle and completes network direct broadcasting.
Certainly, the present invention can also have other numerous embodiments, be based on present embodiment, those skilled in the art
Obtained other embodiments under the premise of not making any creative work belong to the range that the present invention is protected.
Claims (6)
1. a kind of wireless video transmission system is used for wireless video transmission, which is characterized in that the wireless video transmission system packet
It includes: bastion host, wireless video encoder, video camera and streaming media server；The bastion host launches the building of LTE signal
At a LTE wireless network, the wireless video encoder receive the bastion host launch LTE signal and with the base station
Host, which is formed, to be wirelessly connected, and the streaming media server is electrically connected with the bastion host, the wireless video encoder and institute
Camera shooting mechatronics are stated, the video of SDI format or HDMI format that the wireless video encoder shoots the video camera
It is converted into being converted to H.264 format or H.265 the IP network video flowing of format, the wireless video encoder is believed by LTE
Number by H.264 format or H.265 the IP network video of format is streamed to the bastion host, and the bastion host can be same
When receive the H.264 format or the H.265 IP network video flowing of format of wireless video encoder transmission described in multichannel, the base
By H.264 format or H.265, the IP network video of format is streamed to the streaming media server, the Streaming Media for station host
By H.264 format or H.265, the IP network video flowing of format is converted into the video of SDI format or HDMI format to server.
2. wireless video transmission system according to claim 1, which is characterized in that the bastion host further includes base station day
Line；The antenna for base station is electrically connected with the bastion host, and the bastion host is launched LTE by the antenna for base station and believed
Number.
3. wireless video transmission system according to claim 1, which is characterized in that be equipped with storage in the streaming media server
Hard disk is deposited, the streaming media server can be by H.264 format or H.265 the IP network video flowing of format is stored in the storage
It deposits in hard disk.
4. wireless video transmission system according to claim 1, which is characterized in that the wireless video transmission system also wraps
It includes: monitor；The monitor is electrically connected with the streaming media server, the streaming media server by SDI format or
The transmission of video of HDMI format to the monitor plays.
5. wireless video transmission system according to claim 1, which is characterized in that the wireless video transmission system also wraps
It includes: Video Decoder and cut bank；The Video Decoder is electrically connected with the streaming media server, the cut bank and described
Video Decoder electrical connection.
6. wireless video transmission system according to claim 1, which is characterized in that the wireless video transmission system also wraps
It includes: digitial-switch platform；The digitial-switch platform is electrically connected with the streaming media server.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2019102721515 | 2019-04-04 | ||
| CN201910272151 | 2019-04-04 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110166743A true CN110166743A (en) | 2019-08-23 |
Family
ID=67640011
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910339706.3A Pending CN110166743A (en) | 2019-04-04 | 2019-04-25 | A kind of wireless video transmission system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113452644A (en) * | 2020-03-24 | 2021-09-28 | 福州市博讯网络科技有限公司 | Tally-based multi-channel high-definition video wireless transmission system and method |
| CN113473586A (en) * | 2020-03-30 | 2021-10-01 | 福州市博讯网络科技有限公司 | Wireless video transmission system power control method for high-definition video transmission |
| CN116016845A (en) * | 2022-12-06 | 2023-04-25 | 广州长鹏光电科技有限公司 | Multifunctional split type wireless image transmission system |
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| US20100064337A1 (en) * | 2008-09-11 | 2010-03-11 | Igal Dvir | System and method for central management of network and storage resources for a video surveillance system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113452644A (en) * | 2020-03-24 | 2021-09-28 | 福州市博讯网络科技有限公司 | Tally-based multi-channel high-definition video wireless transmission system and method |
| CN113473586A (en) * | 2020-03-30 | 2021-10-01 | 福州市博讯网络科技有限公司 | Wireless video transmission system power control method for high-definition video transmission |
| CN116016845A (en) * | 2022-12-06 | 2023-04-25 | 广州长鹏光电科技有限公司 | Multifunctional split type wireless image transmission system |
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Application publication date: 20190823 |
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