CN212381328U - Line card equipment supporting live broadcast of 4K or 8K television and application system thereof - Google Patents
Line card equipment supporting live broadcast of 4K or 8K television and application system thereof Download PDFInfo
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- CN212381328U CN212381328U CN202022204687.4U CN202022204687U CN212381328U CN 212381328 U CN212381328 U CN 212381328U CN 202022204687 U CN202022204687 U CN 202022204687U CN 212381328 U CN212381328 U CN 212381328U
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Abstract
The utility model discloses a support live ply-yarn drill equipment of 4K or 8K TV and application system thereof, a support live ply-yarn drill equipment of 4K or 8K TV including the satellite receiving antenna, cable feeder, ground digital television antenna, multichannel Tuner module that connect gradually and have the treater of routing function, be equipped with the descrambling module that has the descrambling chip, section transcoding module and format conversion module on the treater, the treater links to each other with a plurality of net gapes; the utility model also discloses an application system of ply-yarn drill equipment of support 4K or 8K TV live, including foretell ply-yarn drill equipment, router and terminal equipment's application, ply-yarn drill equipment, router and terminal equipment's application interface links to each other in proper order. The problem that when the traditional Internet audio-visual equipment is used, live television signals need to occupy a network channel for transmission, so that transmission is not smooth is solved. The utility model discloses be applied to the communication technology field.
Description
Technical Field
The utility model relates to the field of communication technology, concretely relates to support live ply-yarn drill equipment of 4K or 8K TV and application system thereof.
Background
"line card", transliterate: a Line Card is a device interface between an access Line and an access device for a switch, router, or other network device. Digital line cards of various rates may be used to connect cables or fiber optic lines. The digital line card mainly provides functions of data packet forwarding, ping response, data packet fragmentation and the like for a data network.
Actually, the device is also a device for converting high-definition and ultra-high-definition satellite, cable and ground digital television signals such as 1080P, 4K, 8K and the like into LAN and WiFi signals, can support more fixed receiving terminals and mobile receiving terminals to simultaneously surf the internet, is widely applied to scenes such as families, offices, hotels and the like, and can save the investment of terminal devices after network access.
Meanwhile, after the 5G era of communication, enhanced bandwidth (EMMB) is an important application scenario of 5G, according to the national standard, a single-channel 8K television live broadcast signal reaches 150MBps, and a 4K signal also reaches 36MBps, and for internet network transmission, television signals with large bandwidths of 4K and 8K are transmitted to mobile terminal devices such as mobile phones and PADs, and fixed terminal receiving devices such as set-top boxes and televisions, but such a manner can greatly consume bandwidth resources of a trunk line network and a wireless distribution network of an operator, thereby causing the problem of unsmooth signal transmission or even transmission failure.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
A line card device supporting live television of 4K or 8K and an application system thereof solve the problem that live television signals need to occupy a network channel to be transmitted when the traditional Internet audio-visual equipment is in use, so that the transmission is not smooth.
(II) technical scheme
In order to solve the technical problem, the utility model provides a support line card equipment of live of 4K or 8K TV, including satellite receiving antenna, wired feeder, ground digital television antenna, multichannel Tuner module that connect gradually and have the treater of routing function, be equipped with the descrambling module that has the descrambling chip, section transcoding module and format conversion module on the treater, the treater links to each other with a plurality of net gapes;
the method comprises the steps that a satellite receiving antenna, a cable feeder line and a ground digital television antenna are used for sequentially receiving digital television signals to obtain scrambled transmission stream data, the scrambled transmission stream data are transmitted to a processor through a Tuner module, the scrambled transmission stream data are processed by a descrambling module to form transparent transmission stream data, a slice transcoding module of the processor can be used for transcoding or not transcoding the transparent transmission stream data selectively, then transmission stream packaging format data are formed, a format conversion module of the processor converts the transmission stream packaging format data into dynamic code rate self-adaptive format stream media data and simultaneously generates an m3u8 index file, the processor distributes the dynamic code rate self-adaptive format stream media data to a network through each internet access, and finally, the dynamic code rate self-adaptive format stream media data are interacted with an application program of a terminal device through a self-defined application program interface.
In a further improvement, the Tuner module is a demodulation module supporting multi-path simultaneous reception processing and formed according to any one of the standards of ABS-S, DVB-S, DVB-S2 and DVB-C, DVB-T, DTMB.
In a further improvement, the descrambling module is a CAS and DCAS system based on the DVB standard.
In a further improvement, the network ports include a plurality of WAN network ports and a plurality of LAN network ports, and the processor is connected to the router through one LAN network port to adapt the dynamic bit rate to the format of the streaming media data.
In a further improvement, the terminal equipment comprises a mobile phone, a PAD, a computer, a set-top box and an intelligent television.
The utility model also provides an application system of the ply-yarn drill equipment that supports 4K or 8K TV live, the technical scheme of its adoption as follows:
an application system of line card equipment supporting live broadcast of 4K or 8K televisions comprises the line card equipment supporting live broadcast of 4K or 8K televisions, a router and an application program of terminal equipment, wherein application program interfaces of the line card equipment, the router and the terminal equipment are sequentially connected.
(III) advantageous effects
The utility model discloses a support live ply-yarn drill equipment of 4K or 8K TV and through receiving digital television signal, output scrambling TS, descrambling transcoding section back, output transparent HLS, distribute through the net gape, application through API and terminal equipment is mutual, realize that equipment terminal activation is opened, program search, channel switching, functions such as transcoding form and code rate control, satisfy the clear audio-visual demand of living broadcast television program of superelevation, the problem of transmitting the live television signal difficulty of high code rate in the internet protocol television has been solved.
For traditional internet audio-visual equipment, the utility model discloses in the ply-yarn drill equipment, digital television signal and dynamic code rate self-adaptation format streaming media data can not occupy the network channel, can not consume the smooth and easy operation that bandwidth resource has ensured television program signal and network, outside terminal equipment passes through WIFI, the play address that can direct access live TV such as net twine, thereby the realization can enough pass through the internet, can watch 4K again, the target of live TV such as 8K, the problem that traditional internet audio-visual equipment in use TV live signal need occupy the network channel and transmit and lead to the transmission not smooth and easy has been solved.
The utility model discloses support the application system of the live ply-yarn drill equipment of 4K or 8K TV and also have above-mentioned advantage here, no longer describe repeatedly.
Drawings
Fig. 1 is a schematic flow chart of a line card device supporting live broadcast of 4K or 8K tv and an application system thereof according to an embodiment of the present invention;
fig. 2 is an application schematic diagram of a line card device supporting live broadcast of 4K or 8K tv according to an embodiment of the present invention;
fig. 3 is a schematic diagram of the operation of a conventional internet audiovisual device.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, a line card device supporting live broadcast of 4K or 8K tv includes a satellite receiving antenna, a cable feeder, a terrestrial digital tv antenna, a multi-channel Tuner module, and a processor with a routing function, which are connected in sequence, where the processor is provided with a descrambling module with a descrambling chip, a slice transcoding module, and a format conversion module, and the processor is connected to multiple network ports;
the scrambled transmission stream data is obtained by receiving the digital television signal in turn through a satellite receiving antenna, a cable feeder and a ground digital television antenna, the scrambled transmission stream data is transmitted to a processor through a Tuner module, the scrambled transmission stream data forms transparent transmission stream data after being processed by a descrambling module, the slice transcoding module of the processor may optionally transcode or not transcode the transparent transport stream data, then forming transport stream package format data, the format conversion module of the processor converts the transport stream package format data into dynamic code rate self-adapting format streaming media data, and an m3u8 index file is generated at the same time, the m3u8 index file records an index plain text file, when a user opens the index file, the playing software does not play the index file, but finds the network address of the corresponding audio/video file according to the index of the index file to play the audio/video file online. The processor distributes the dynamic code rate self-adaptive format streaming media data to a network through each network port, and finally, the dynamic code rate self-adaptive format streaming media data are respectively interacted with an application program of the terminal equipment through a self-defined application program interface, so that the functions of activating and opening an equipment terminal, searching programs, switching channels, controlling transcoding formats, code rate and the like are realized, the audiovisual requirements of ultra-high definition live television programs are met, and the problem that high-code rate live television signals are difficult to transmit in internet televisions is solved.
As shown in fig. 3, fig. 3 is a schematic diagram of a conventional internet audio-visual device, and compared with the conventional internet audio-visual device, in the line card device of this embodiment, digital television signals and dynamic code rate adaptive format streaming media data do not occupy a network channel, and bandwidth resources are not consumed, so that smooth operation of television program signals and a network is ensured, and external terminal devices can directly access a broadcast address of a live television through WIFI, a network cable and the like, thereby achieving a purpose of watching live televisions such as 4K and 8K through internet access, and solving a problem that in use of the conventional internet audio-visual device, live television signals need to occupy the network channel for transmission, which results in unsmooth transmission.
In this embodiment, as a further improvement of the foregoing technical solution, the Tuner module is a demodulation module supporting multiple simultaneous reception processing and formed according to any one of standards of ABS-S, DVB-S, DVB-S2 and DVB-C, DVB-T, DTMB.
In this embodiment, as a further improvement of the above technical solution, the descrambling module is a CAS system and a DCAS system based on the DVB standard, that is, a conditional access system, and includes a decryption component, a descrambling component, a high security component, and the like.
Specifically, the slice transcoding module refers to an application program carried by the line card device, and converts audio and video coding formats adopted by satellite, cable and terrestrial digital televisions before, such as AVS, AVS2, MPEG2 and the like, into formats such as h.264 or h.265 and the like through built-in functions of a processor. Transport stream data TS for short; the dynamic code rate self-adaptive format streaming media data is called HLS for short. The application program is abbreviated as APP, and the application program interface of the terminal equipment is abbreviated as API.
In this embodiment, as a further improvement of the foregoing technical solution, the network port includes a plurality of WAN network ports and a plurality of LAN network ports, and the processor is connected to the router through one LAN network port, and is configured to adapt the dynamic bit rate to the format streaming media data.
In this embodiment, as a further improvement of the above technical solution, the terminal device includes a mobile phone, a PAD, a computer, a set-top box, and an intelligent television.
The embodiment also provides an application system of the line card device supporting live broadcast of 4K or 8K televisions, and the adopted technical scheme is as follows:
the utility model provides a support application system of line card equipment of live of 4K or 8K TV, includes the above-mentioned application program that supports line card equipment, router and terminal equipment of live of 4K or 8K TV, line card equipment, router and terminal equipment's application program interface links to each other in proper order, and APP is given as short to application program, API is given as short to terminal equipment's application program interface.
The application system of the line card device supporting live broadcast of 4K or 8K tv in this embodiment also has the above advantages, and details are not described herein.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A line card device supporting live broadcast of 4K or 8K televisions is characterized by comprising a satellite receiving antenna, a cable feeder line, a ground digital television antenna, a multi-path Tuner module and a processor with a routing function, wherein the satellite receiving antenna, the cable feeder line, the ground digital television antenna, the multi-path Tuner module and the processor are sequentially connected;
the method comprises the steps that a satellite receiving antenna, a cable feeder line and a ground digital television antenna are used for sequentially receiving digital television signals to obtain scrambled transmission stream data, the scrambled transmission stream data are transmitted to a processor through a Tuner module, the scrambled transmission stream data are processed by a descrambling module to form transparent transmission stream data, a slice transcoding module of the processor can be used for transcoding or not transcoding the transparent transmission stream data selectively, then transmission stream packaging format data are formed, a format conversion module of the processor converts the transmission stream packaging format data into dynamic code rate self-adaptive format stream media data and simultaneously generates an m3u8 index file, the processor distributes the dynamic code rate self-adaptive format stream media data to a network through each internet access, and finally, the dynamic code rate self-adaptive format stream media data are interacted with an application program of a terminal device through a self-defined application program interface.
2. The line card device supporting live 4K or 8K television according to claim 1, wherein the Tuner module is a demodulation module supporting multiple simultaneous reception processing, and is formed according to any one of ABS-S, DVB-S, DVB-S2 and DVB-C, DVB-T, DTMB standards.
3. The line card device supporting live 4K or 8K televisions according to claim 1, wherein the descrambling module is a CAS and DCAS system based on DVB standard.
4. The line card device for supporting live 4K or 8K tv broadcasting according to claim 1, wherein the ports include a plurality of WAN ports and a plurality of LAN ports, and the processor is connected to the router through one LAN port to stream the media data in the dynamic rate adaptive format.
5. The line card device supporting live 4K or 8K televisions according to claim 1, wherein the terminal devices comprise a mobile phone, a PAD, a computer, a set top box and a smart television.
6. An application system of a line card device supporting live 4K or 8K television, comprising the line card device supporting live 4K or 8K television, a router and an application program of a terminal device according to any one of claims 1 to 5, wherein the application program interfaces of the line card device, the router and the terminal device are connected in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022204687.4U CN212381328U (en) | 2020-09-30 | 2020-09-30 | Line card equipment supporting live broadcast of 4K or 8K television and application system thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022204687.4U CN212381328U (en) | 2020-09-30 | 2020-09-30 | Line card equipment supporting live broadcast of 4K or 8K television and application system thereof |
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| CN212381328U true CN212381328U (en) | 2021-01-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747183A (en) * | 2021-07-30 | 2021-12-03 | 深圳市九洲电器有限公司 | Live video sharing method and system and readable storage medium |
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- 2020-09-30 CN CN202022204687.4U patent/CN212381328U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113747183A (en) * | 2021-07-30 | 2021-12-03 | 深圳市九洲电器有限公司 | Live video sharing method and system and readable storage medium |
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