CN209805954U - Clear transmission distributed system of 4K superelevation - Google Patents
Clear transmission distributed system of 4K superelevation Download PDFInfo
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- CN209805954U CN209805954U CN201921089364.6U CN201921089364U CN209805954U CN 209805954 U CN209805954 U CN 209805954U CN 201921089364 U CN201921089364 U CN 201921089364U CN 209805954 U CN209805954 U CN 209805954U
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Abstract
The utility model discloses a clear transmission distributed system of 4K superelevation belongs to audio and video transmission technical field. The system comprises ultra-high definition input equipment, a 4K ultra-high definition transmission interface machine, a network switch and playing equipment; each ultra-high definition input device is connected with a 4K ultra-high definition transmission interface machine, all the 4K ultra-high definition transmission interface machines at the input end are connected with a network switch, the network switch is connected with at least one 4K ultra-high definition transmission interface machine serving as the output end, and the 4K ultra-high definition transmission interface machine at the output end is connected with a playing device. Various heterogeneous ultra-high-definition input devices are uniformly accessed through a 4K ultra-high-definition transmission interface machine, multiple terminals are exchanged, synchronous data monitoring is carried out, different service platforms are connected in a butt joint mode, and platform linkage is achieved; through a 4K ultra-high-definition transmission interface machine, the local audio and video signals are seamlessly accessed, full IP of the audio and video signals is realized, and a hardware basis is provided for functions of audio and video signal full exchange, random signal calling at any time, multi-picture roaming splicing and the like.
Description
Technical Field
The utility model relates to a clear transmission distributed system of 4K superelevation belongs to audio and video transmission technical field.
Background
According to statistical data published by research institutions, the worldwide sales of 4K television panels in 2016 reaches 6374 ten thousand sheets, the comparable growth rate reaches 70%, and the corresponding market share is also promoted to 24.7%. The development of china is more rapid, the sales of 4K tv products in china in 2016 exceed 2500 million, 4400 million are expected in 2020, north america and western europe are the second and third major markets for 4K tv, and the total sales of 4K tv in 2020 is expected to reach 4490 million.
With the development of the scale of the 4K service, in the process of turning to the experience-driven 4K bearer network architecture, the traditional network has two key points to span: the traditional high convergence and multi-level network model needs to be simplified to adapt to a 4K service mode; the 4K network experience is end-to-end and unbounded, and the experience guarantee of E2E is needed. The large-size television has short plates in productivity or selling price no matter liquid crystal or OLED in the wind direction, and the 4K ultra-high definition projection product has differential performances in large size, picture performance and price.
visualization is an aspect that has been particularly addressed in the professional AV field in recent years. In the era of big data and networking, visualization is not simple display any more, but the working efficiency needs to be improved through visualization, the decision making progress is accelerated, and the cooperation is better completed. The intellectualization of industrial control equipment can generate a large amount of data every day, and how to make full use of internal and external data related to enterprise operation and help enterprises to better operate and make decisions becomes a problem of enterprise attention more and more. The networked development can promote the function of process control to be further dispersed and moved down, and realize the 'full digital' and 'full dispersed' control in the real sense.
In 2017, the first 4K ultra-high definition television test channel in China is formally started in Guangdong broadcast television stations, and becomes a milestone in the 4K development history of China, and the 4K storm can present an audio-visual feast with vivid picture, more special effect, more shocking scene and finer performance.
With the continuous progress of display technology, the application of 4K is gradually improved, and is favored by more and more customers due to bright color and clear and sharp characters, however, it is important that the image with large data volume can better realize lossless transmission and output display. The 4K television provides higher image resolution (3840x2160), wider color gamut, wider dynamic range, wider viewing field and more channels than the high-definition television, and brings better audio-visual experience to users, but because the 4K television technology is newer, corresponding testing methods and means are deficient, and related testing technical specifications and technical standards are mostly set.
In recent years, the internet service scale is becoming larger and larger, and technologies such as a cloud computing platform of a distributed system and a typical distributed system are rapidly developed. The trend in the future is that the intelligent degree is improved more and more, and the occupied proportion is increased more and more. The large-screen display system of the prior art is not only responsible for carrying out high-efficiency analysis on mass data information, but also needs to display the analysis result, so that each management department can intuitively and conveniently schedule and configure resources reasonably to make event decision according to data indexes. The close combination and wide popularization of the 4K ultra-high definition transmission distributed system and the Internet application can greatly improve the audio-visual experience of users, improve the happiness of the masses, further deepen the fusion development of television media and new media, expand the publicity place through innovation development and drive the development of related industries.
At present, the following difficulties need to be solved in a 4K ultra-high-definition transmission system: (1) heterogeneous machines and networks: the machines in the 4K ultra-high-definition transmission distributed system are different in configuration, and services running on the machines can also be realized by different languages and architectures, so that the processing capacities are different; the nodes are connected through a network, and the bandwidth, the time delay and the packet loss rate of the network provided by different network operators are different. How to guarantee that all people go ahead and together to achieve the goal is a not trivial challenge. (2) Common node failures: although the failure probability of a single node is low, the probability of failure becomes high when the number of nodes reaches a certain scale. When a 4K ultra-high-definition transmission distributed system needs to ensure that a fault occurs, the system is still usable, which needs to monitor the state of a node and transfer the calculation and storage tasks responsible for the node to other nodes in case of the fault of the node. (3) Unreliable networks: the nodes communicate with each other via a network, which is unreliable. Possible network problems include: network segmentation, delay, packet loss, and disorder. Compared with single-machine process calling, network communication is most troublesome due to overtime: node a sends a request to node B, and if node B does not receive a response within the agreed time, then B processes the request, which is uncertain, and this uncertainty causes many problems. (4) Centralized control of ultra high definition video: long distance, high fidelity, zero time delay transmission, video picture splicing and dividing, etc.
Disclosure of Invention
the utility model discloses the technical problem that will solve lies in: a 4K ultra high definition transmission distributed system is provided that solves the above problems.
the utility model discloses the technical problem that will solve takes following technical scheme to realize:
A4K ultra-high-definition transmission distributed system comprises ultra-high-definition input equipment, a 4K ultra-high-definition transmission interface machine, a network switch and playing equipment;
Each ultra-high definition input device is connected with a 4K ultra-high definition transmission interface machine, all the 4K ultra-high definition transmission interface machines at the input end are connected with a network switch, the network switch is connected with at least one 4K ultra-high definition transmission interface machine serving as the output end, and the 4K ultra-high definition transmission interface machine at the output end is connected with a playing device.
As a preferred example, the 4K ultra high definition transmission interface machine includes a 4K ultra high definition transmission codec chip, and an audio/video input interface, an audio/video output interface, an audio input/output interface, an infrared input interface, an infrared output interface, a bidirectional transmission interface, a control terminal interface, an optical fiber transmission interface, a network cable interface, and a USB interface connected to the 4K ultra high definition transmission codec chip.
As a preferred example, the 4K ultra-high-definition transmission interface machine is connected to a video signal source of the ultra-high-definition input device through an audio/video input interface.
as a preferred example, the bidirectional transmission interface RS-232 of the 4K ultra-high-definition transmission interface machine is accessed to an RS-232 signal of the ultra-high-definition input device.
As a preferred example, the control terminal interface of the 4K ultra high definition transmission interface machine is connected to a control signal of the ultra high definition input device.
As a preferred example, the audio input and output interface of the 4K ultra-high-definition transmission interface machine is connected with a microphone and a loudspeaker.
as a preferred example, the 4K ultra-high-definition transmission interface machine is connected with the network switch through an optical fiber transmission interface and a network cable interface.
As a preferred example, the USB interface on the 4K ultra high definition transport interface machine at the output end of the 4K ultra high definition transport interface machine is connected to a mouse, and the USB interface on the 4K ultra high definition transport interface machine at the input end is connected to the ultra high definition input device.
As a preferred example, the ultra-high-definition input device comprises a notebook, a desktop and a video player.
As a preferred example, the playback device includes a display and a projector.
The utility model has the advantages that:
(1) Various heterogeneous ultra-high-definition input devices are uniformly accessed through a 4K ultra-high-definition transmission interface machine, multiple terminals are exchanged, synchronous data monitoring is carried out, different service platforms are connected in a butt joint mode, and platform linkage is achieved;
(2) The local audio and video signals are seamlessly accessed through a 4K ultra-high-definition transmission interface machine, full IP of the audio and video signals is realized, and a hardware basis is provided for functions of audio and video signal full exchange, random signal calling at any time, multi-picture roaming splicing and the like;
(3) When a multi-node-to-single-node structure is adopted, the transmission of audio and video signals and control signals can be realized by using a network cable or an optical fiber cable, multiple functions of transmission, management and control are realized, and an audio and video system formed by stacking hardware equipment is overturned, so that the hardware equipment is greatly simplified, the occupied space of the equipment is reduced, and the probability of system faults is reduced;
(4) The method realizes organic combination in the simplest and flexible mode, can continuously expand the functions of the platform according to new requirements in the future, has good expansibility, can meet the requirements of centralized control and remote transmission of ultra-high definition signals, and realizes large-scale application and popularization of the ultra-high definition signals.
Drawings
FIG. 1 is a schematic structural view of the present invention using multiple nodes to a single node;
FIG. 2 is a schematic structural view of the present invention using multiple nodes to multiple nodes;
Fig. 3 is a schematic structural diagram of a 4K ultra high definition transmission interface machine.
in the figure: the system comprises ultrahigh-definition input equipment 1, a 4K ultrahigh-definition transmission interface machine 2, a network switch 3 and playing equipment 4.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand and understand, the present invention is further explained by combining the following specific drawings.
As shown in fig. 1-fig. 3, a 4K ultra high definition transmission distributed system includes an ultra high definition input device 1, a 4K ultra high definition transmission interface machine 2, a network switch 3, and a playing device 4;
Each ultra-high definition input device 1 is connected with a 4K ultra-high definition transmission interface machine 2, all the 4K ultra-high definition transmission interface machines 2 at the input end are connected with a network switch 3, the network switch 3 is connected with at least one 4K ultra-high definition transmission interface machine 2 serving as the output end, and the 4K ultra-high definition transmission interface machine 2 at the output end is connected with a playing device 4.
As shown in fig. 3, the 4K ultra high definition transmission interface machine 2 includes a 4K ultra high definition transmission Codec chip, and an Audio/video input interface HDMIIN, an Audio/video output interface HDMI OUT, an Audio input/output interface Audio Codec jack3.5mm, an INFRARED input interface INFRARED IN, an INFRARED output interface infra red OUT, a bidirectional transmission interface RS-232, a control terminal interface readtek RJ45, an optical fiber transmission interface SFP +, a network cable interface RJ45, and a USB interface USB2.0jack connected to the 4K ultra high definition transmission Codec chip.
the 4K ultra-high-definition transmission interface machine 2 is connected to a video signal source of the ultra-high-definition input device 1 through an audio and video input interface HDMI IN.
The bidirectional transmission interface RS-232 of the 4K ultra-high definition transmission interface machine 2 is accessed to the RS-232 signal of the ultra-high definition input device 1.
and a control end interface of the 4K ultra-high definition transmission interface machine 2 is connected with a control signal of the ultra-high definition input equipment 1.
An Audio input and output interface Audio Codec Jack3.5mm of the 4K ultra-high definition transmission interface machine 2 is connected with a microphone and a loudspeaker.
The 4K ultra-high-definition transmission interface machine 2 is connected with the network switch 3 through an optical fiber transmission interface SFP + and a network cable interface RJ 45.
the USB interface USB2.0jack on the 4K ultra-high-definition transmission interface machine 2 at the output end of the 4K ultra-high-definition transmission interface machine 2 is connected to the mouse, and the USB interface USB2.0jack on the 4K ultra-high-definition transmission interface machine 2 at the input end is connected to the ultra-high-definition input device 1.
The ultra high definition input device 1 includes a notebook, a desktop, and a video player.
The playback device 4 includes a display and a projector.
Network switch 3 employs a 10Gbe switch.
The 4K ultra-high definition transmission coding and decoding chip adopts a Blueriver NT2000 AV/IP chip set of AptoVision, and the chip set is ideal for AV/KVM signal expansion, matrix switching, IP-based switching, video walls and multiple views. Its key functions/features include: (1) the AV signal can be distributed by the off-the-shelf 10GbE network switch 3; (2) instantly and seamlessly switching HDMI signals (up to 4K/60/4:4: 48 bits and 4K/60/4:2: 010 bits); (3) zero frame delay, zero compression and zero artifacts; (4) supporting HDMI, HDCP, embedded audio, analog stereo audio, bidirectional IR, RS-232 and 1GbE signals on 10GbE links; (5) fully routable independent switching plane applicable to all signal types (video, audio, IR, RS-232, etc); (6) support embedding, de-embedding and downmixing of audio; (7) video wall configurations can be created, saved, and used with optimized bezel corrections.
The working principle is as follows:
As shown in fig. 3, the connection structure of the modules inside the 4K ultra high definition transmission interface machine 2 is shown.
(1) the encoded signals move, 4K ultra-high definition Audio and video source signals are input through an HDMI IN of a 4K ultra-high definition transmission interface machine 2 used for encoding, RS-232 signals enter RS-232 bidirectional transmission, a control signal IN the ultra-high definition input device 1 is connected with a control end interface RJ45, other Audio input and infrared input signals are accessed into the 4K ultra-high definition transmission interface machine 2 through an Audio input and output interface Audio Codec Jack3.5mm and an infrared input interface INFRARED IN, and the Audio and video signals and the control signals all enter a 4K ultra-high definition transmission Codec chip and are packaged into data packets which can be routed through a network switch 3; the data packet is transmitted to the network switch 3 by long-distance transmission through an optical fiber transmission interface SFP + or a 7-class network interface RJ 45.
(2) The network switch 3 sends the data packet to the 4K ultra-high-definition transmission interface machine 2 for decoding, the 4K ultra-high-definition transmission Codec chip decodes the data packet into Audio and video signals and control signals, the 4K ultra-high-definition transmission interface machine 2 executes related operations according to the decoded control signals, the Audio and video signals are sent to the playing device 4 through an Audio and video output interface HDMI OUT for playing, and Audio output and INFRARED output signals are output through an Audio input and output interface Audio Codec Jack3.5mm and an INFRARED output interface INFRARED OUT.
The USB interface on the 4K ultra-high definition transmission interface machine 2 at the output end of the 4K ultra-high definition transmission interface machine 2 is connected with a mouse, the USB interface on the 4K ultra-high definition transmission interface machine 2 at the input end is connected with the ultra-high definition input device 1, and the ultra-high definition input device 1 can be controlled through mouse operation.
by operating the ultra-high definition input device 1, the control signal and the audio and video signals can be packaged and transmitted together, the functions of switching different picture images, splicing picture walls, picture-in-picture, picture synthesis and user-defined layout are completed, audio, analog stereo audio and multi-channel PCM audio are mixed into stereo, and the routes of bidirectional infrared receiving and transmitting, bidirectional RS-232, USB and the like are correspondingly connected.
Various heterogeneous ultra-high-definition input devices 1 are uniformly accessed through a 4K ultra-high-definition transmission interface machine 2, multi-terminal interchange, synchronous data monitoring and butt joint of different service platforms are achieved, and platform linkage is achieved;
The 4K ultra-high-definition transmission interface machine 2 is used for seamlessly accessing local audio and video signals, so that full IP of the audio and video signals is realized, and a hardware basis is provided for functions of audio and video signal full exchange, random signal calling at any time, multi-picture roaming splicing and the like;
When a multi-node-to-single-node structure is adopted, the transmission of audio and video signals and control signals can be realized by using a network cable or an optical fiber cable, multiple functions of transmission, management and control are realized, and an audio and video system formed by stacking hardware equipment is overturned, so that the hardware equipment is greatly simplified, the occupied space of the equipment is reduced, and the probability of system faults is reduced;
the method realizes organic combination in the simplest and flexible mode, can continuously expand the functions of the platform according to new requirements in the future, has good expansibility, can meet the requirements of centralized control and remote transmission of ultra-high definition signals, and realizes large-scale application and popularization of the ultra-high definition signals.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. A4K ultra-high-definition transmission distributed system is characterized by comprising ultra-high-definition input equipment, a 4K ultra-high-definition transmission interface machine, a network switch and playing equipment;
Each ultra-high definition input device is connected with a 4K ultra-high definition transmission interface machine, all the 4K ultra-high definition transmission interface machines at the input end are connected with a network switch, the network switch is connected with at least one 4K ultra-high definition transmission interface machine serving as the output end, and the 4K ultra-high definition transmission interface machine at the output end is connected with a playing device.
2. The distributed system for 4K ultra high definition transmission according to claim 1, wherein the 4K ultra high definition transmission interface unit comprises a 4K ultra high definition transmission codec chip, and an audio/video input interface, an audio/video output interface, an audio input/output interface, an infrared input interface, an infrared output interface, a bidirectional transmission interface, a control terminal interface, an optical fiber transmission interface, a network cable interface, and a USB interface, which are connected to the 4K ultra high definition transmission codec chip.
3. The 4K ultra high definition transmission distributed system according to claim 2, wherein the 4K ultra high definition transmission interface machine is accessed to a video signal source of the ultra high definition input device through an audio/video input interface.
4. the 4K ultra high definition transmission distributed system according to claim 2, wherein a bidirectional transmission interface RS-232 of the 4K ultra high definition transmission interface machine is connected to an RS-232 signal of an ultra high definition input device.
5. The 4K ultra high definition transmission distributed system according to claim 2, wherein a control port of the 4K ultra high definition transmission interface machine interfaces with a control signal of an ultra high definition input device.
6. The system of claim 2, wherein the audio input and output interfaces of the 4K ultra high definition transmission interface machine are connected to a microphone and a speaker.
7. the system of claim 2, wherein the 4K ultra high definition transmission interface machine is connected to the network switch through an optical fiber transmission interface and a network cable interface.
8. The distributed system for 4K ultra high definition transmission according to claim 2, wherein a USB interface on the 4K ultra high definition transmission interface machine at the output end of the 4K ultra high definition transmission interface machine is connected to a mouse, and a USB interface on the 4K ultra high definition transmission interface machine at the input end is connected to an ultra high definition input device.
9. The system of claim 2, wherein the ultra high definition input devices comprise a notebook, a desktop, and a video player.
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| CN112565889A (en) * | 2020-12-01 | 2021-03-26 | 威创集团股份有限公司 | 4K high definition receiving box and video output system thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112565889A (en) * | 2020-12-01 | 2021-03-26 | 威创集团股份有限公司 | 4K high definition receiving box and video output system thereof |
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Denomination of utility model: A 4K UHD Transmission Distributed System Effective date of registration: 20221219 Granted publication date: 20191217 Pledgee: Industrial Bank Co.,Ltd. Shanghai Minhang sub branch Pledgor: Shanghai Dayin Multimedia Technology Co.,Ltd. Registration number: Y2022310000386 |
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