CN109587129A - A kind of audio/video encoding/decoding equipment carrying out network transmission - Google Patents
A kind of audio/video encoding/decoding equipment carrying out network transmission Download PDFInfo
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- CN109587129A CN109587129A CN201811435926.8A CN201811435926A CN109587129A CN 109587129 A CN109587129 A CN 109587129A CN 201811435926 A CN201811435926 A CN 201811435926A CN 109587129 A CN109587129 A CN 109587129A
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- 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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/85—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using pre-processing or post-processing specially adapted for video compression
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
Abstract
A kind of audio/video encoding/decoding equipment for carrying out network transmission of the present invention, including audio-video collection module, coding module, decoder module and network module.Coding module includes audio-video AD conversion submodule, coding processing device and first network communication submodule.Decoder module includes decoding processor and the second network communication submodule.Network module includes the network switch and third network communication submodule.Specifically, the input terminal of the output end connection audio-video AD conversion submodule of audio-video collection module, the output end of audio-video AD conversion submodule is connected to coding processing device, coding processing device communicates submodule by first network and connect with the network switch, coding processing device is also connected with decoding processor, decoding processor is connect by the second network communication submodule with the network switch, decoding processor externally and can also be locally displayed playback equipment and connect, and network interaction machine passes through third network communication submodule and distal displayed playback equipment connection communication.
Description
Technical field
The present invention relates to the present invention relates to coding and decoding video fields, and in particular to a kind of audio-video volume for carrying out network transmission
Decoding device carries out encoding and decoding transmission for the audiovisual presentation to front-end collection.
Background technique
Current high photographing instrument common on the market, which can shoot picture and can be carried out, to be locally stored, but cannot pass through network real-time Transmission
It is therefore very inconvenient when strange land is shot to distal end.A kind of audio-video carrying out network transmission of the present invention
Coding/decoding apparatus can need not directly be viewed locally or pass through network transmission by being locally stored in the audio-video signal of acquisition
To the equipment of distal end, facilitate and carry out remote real time inspection audio-video, provides great convenience for strange land shooting.
Summary of the invention
The technical problem to be solved in the present invention is that passing through network reality for above-mentioned high photographing instrument difference of commonly using currently on the market
When transmission data the technical issues of, a kind of audio/video encoding/decoding equipment carrying out network transmission is provided and solves above-mentioned technological deficiency.
A kind of audio/video encoding/decoding equipment carrying out network transmission, including audio-video collection module, coding module, decoding mould
Block and network module, audio-video collection module are connected with coding module, and coding module is connected with decoder module, network module difference
It is connect with coding module and decoder module.
Coding module includes audio-video AD conversion submodule, coding processing device and first network communication submodule, decodes mould
Block includes decoding processor and the second network communication submodule, and network module includes the network switch and third network communication submodule
Block.
Further, specifically, the output end of audio-video collection module connects the input terminal of audio-video AD conversion submodule,
The output end of audio-video AD conversion submodule is connected to coding processing device, coding processing device by first network communicate submodule with
Network switch connection, coding processing device are also connected with decoding processor, and decoding processor passes through the second network communication submodule
It is connect with the network switch, decoding processor externally and can also be locally displayed playback equipment and connect, and network interaction machine passes through the
Three network communication submodules and distal displayed playback equipment connection communication.
Further volume, audio-video collection module is for acquiring audio-video signal and being transmitted to audio-video AD conversion submodule.
Further, audio-video AD conversion submodule after the audio-video signal is converted to digital signal for being transmitted to
Coding processing device.
Further, coding processing device is used to be that IP flows and is transferred to network exchange by the digital signal encoding received
Machine.
Further, the network switch is used to that the IP to be streamed to distal displayed by third network communication submodule
Playback equipment.
Further, decoding processor is used to communicate by the second network communication submodule with the network switch and from network
The IP stream is extracted in interchanger, carries out local decoding and be transmitted to that playback equipment is locally displayed.
It is an advantage of the present invention that combining codec and high photographing instrument function, cooperates gigabit networking interchanger, realize
Shooting, coding, decoding progress synchronous with network transmission.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples, in attached drawing:
Fig. 1 is a kind of audio/video encoding/decoding equipment structure chart for carrying out network transmission of the present invention；
Fig. 2 is a kind of audio/video encoding/decoding equipment operation schematic diagram for carrying out network transmission of the present invention；
Fig. 3 is a kind of audio/video encoding/decoding apparatus embodiments structure chart for carrying out network transmission of the present invention.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, now control attached drawing is described in detail
A specific embodiment of the invention.
A kind of audio/video encoding/decoding equipment carrying out network transmission, as shown in Figure 1, including audio-video collection module, coding
Module, decoder module and network module, audio-video collection module are connected with coding module, and coding module is connected with decoder module,
Network module is connect with coding module and decoder module respectively.
Coding module includes audio-video AD conversion submodule, coding processing device and first network communication submodule.Decode mould
Block includes decoding processor and the second network communication submodule.Network module includes the network switch and third network communication submodule
Block.
Specifically, the input terminal of the output end connection audio-video AD conversion submodule of audio-video collection module, audio-video AD
The output end of transform subblock is connected to coding processing device, and coding processing device communicates submodule and network exchange by first network
Machine connection, coding processing device are also connected with decoding processor, and decoding processor is handed over by the second network communication submodule and network
It changes planes connection, decoding processor externally and can also be locally displayed playback equipment and connect, and network interaction machine is led to by third network
Believe submodule and distal displayed playback equipment connection communication.
As shown in Fig. 2, the present invention is at work, audio-video collection module acquisition audio-video signal is simultaneously transmitted to audio-video AD
Transform subblock, audio-video AD conversion submodule are transmitted to coded treatment after the audio-video signal is converted to digital signal
The digital signal encoding received is flowed for IP and is transferred to the network switch by device, coding processing device.IP flows through the network switch
IP can be flowed by third network communication module transfer to distal displayed playback equipment, distal displayed playback equipment and be carried out later
Decoding can check audio-video signal.Decoding processor is communicated by the second network communication submodule with the network switch, from net
IP stream is extracted in network interchanger, carries out local decoding and be transmitted to playback equipment is locally displayed checking audio-video signal.
In the present embodiment, as shown in figure 3, audio-video collection module selects camera, the choosing of audio-video AD conversion submodule
With a kind of audio-video AD conversion chip, coding processing device and decoding processor select arm processor, and first network communicates submodule
Block and the second network communication submodule select RTL8211 network chip, and third network communication submodule selects RJ45 network interface,
Above-mentioned function of the invention can be achieved using chip similar in other models but function or module.
A kind of above-mentioned audio/video encoding/decoding equipment for carrying out network transmission is an integral device, and direct networking can
To realize shooting, coding, decoding progress synchronous with network transmission function, when user needs to carry out remote audio-video captured in real-time
When operation (such as need the paper document carried out to shoot in online teaching, need to carry out meeting field condition in Web conference
Situations such as shooting, place remote audio-video real-time sharing), it needs to carry out net using camera shooting file or live view etc.
The audio-video of network transmission, the audio-video of shooting can carry out signal processing in audio-video AD conversion chip, by the audio-video of shooting
Signal is converted into digital signal, and digital data transmission to ARM coding processing device is encoded.ARM coding processing device is using H.265
The digital signal encoding received is become the form of IP stream and is transferred to net by RTL8211 network chip by video encoding standard
In network interchanger.The network switch is by RJ45 network interface and Ethernet or LAN connection, if thinking distally looking at this time
It sees the audio-video of shooting, then can be communicated by Ethernet or local area network with the network switch in distal end, download network exchange
IP stream in machine, download transmission are decoded broadcasting to distal displayed playback equipment.User can also be viewed locally shooting
Audio-video establishes the communication of ARM decoding processor and the network switch by RTL8211 network chip, will be in the network switch
IP flow down to be downloaded in ARM decoding processor and be decoded, decode equally using H.265 video encoding standard, ARM decoding process
Decoded audio-video can be sent to and be locally displayed in playback equipment by device, and user can carry out local audio-video and check behaviour
Make.
ARM (Advanced RISC Machines) is the processor of one 32 bit reduced instruction set computer (RISC) framework,
Arm processor is typically widely used in many Embedded System Designs.The characteristics of arm processor, mainly has: small in size, low function
Consumption, low cost, high-performance；It supports Thumb (16)/ARM (32) double instruction set, 8/16 devices can be compatible with well；
Register is largely used, instruction execution speed is faster；And most of data manipulations are all completed in a register；Addressing system spirit
Living simple, execution efficiency is high；Command length is fixed.Therefore the present embodiment selects arm processor as coding, decoding processor.
H.265, what the present embodiment was selected is ITU-T VCEG prepared new video encoding standard after H.264.
H.265 standard around existing video encoding standard H.264, retain original certain technologies, while to some relevant skills
Art is improved.New technology is using advanced technology to improve the pass between code stream, coding quality, delay and algorithm complexity
System, being optimal setting.Specific research contents includes: to improve compression efficiency, improve robustness and error recovery capabilities, subtract
Few real-time time delay reduces channel acquisition time and random access time delay, reduction complexity etc..It H.264, can due to algorithm optimization
With the velocity interpolation SD lower than 1Mbps, (resolution ratio is transmitted in 1280P*720 or less) digital picture；H.265 it then may be implemented
It is transmitted using the common high resolution audio and video of transmission speed transmission 720P (resolution ratio 1280*720) of 1~2Mbps.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form, all of these belong to the protection of the present invention.
Claims (7)
1. a kind of audio/video encoding/decoding equipment for carrying out network transmission, which is characterized in that including audio-video collection module, coding mould
Block, decoder module and network module, audio-video collection module are connected with coding module, and coding module is connected with decoder module, net
Network module is connect with coding module and decoder module respectively；
Coding module includes audio-video AD conversion submodule, coding processing device and first network communication submodule, decoder module packet
Decoding processor and the second network communication submodule are included, network module includes the network switch and third network communication submodule.
2. long-range key mouse according to claim 1 controls equipment, which is characterized in that the output end of audio-video collection module connects
The input terminal of audio-video AD conversion submodule is connect, the output end of audio-video AD conversion submodule is connected to coding processing device, coding
Processor communicates submodule by first network and connect with the network switch, and coding processing device is also connected with decoding processor, solution
Code processor is connect by the second network communication submodule with the network switch, and decoding processor can also be external and be locally displayed
Playback equipment connection, network interaction machine pass through third network communication submodule and distal displayed playback equipment connection communication.
3. a kind of audio/video encoding/decoding equipment for carrying out network transmission according to claim 1, which is characterized in that audio-video
Acquisition module is for acquiring audio-video signal and being transmitted to audio-video AD conversion submodule.
4. a kind of audio/video encoding/decoding equipment for carrying out network transmission according to claim 1, which is characterized in that audio-video
AD conversion submodule is for being transmitted to coding processing device after the audio-video signal is converted to digital signal.
5. a kind of audio/video encoding/decoding equipment for carrying out network transmission according to claim 1, which is characterized in that at coding
Reason device is used to be that IP flows and is transferred to the network switch by the digital signal encoding received.
6. a kind of audio/video encoding/decoding equipment for carrying out network transmission according to claim 5, which is characterized in that network is handed over
It changes planes for the IP to be streamed to distal displayed playback equipment by third network communication submodule.
7. a kind of audio/video encoding/decoding equipment for carrying out network transmission according to claim 5, which is characterized in that at decoding
Reason device is used to communicate by the second network communication submodule with the network switch and extract the IP stream from the network switch, into
Row, which is locally decoded and is transmitted to, is locally displayed playback equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811435926.8A CN109587129A (en) | 2018-11-28 | 2018-11-28 | A kind of audio/video encoding/decoding equipment carrying out network transmission |
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| CN201811435926.8A CN109587129A (en) | 2018-11-28 | 2018-11-28 | A kind of audio/video encoding/decoding equipment carrying out network transmission |
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| CN102123139A (en) * | 2011-01-11 | 2011-07-13 | 上海交通大学 | Portable multifunctional multimedia terminal system |
| CN104079770A (en) * | 2014-06-30 | 2014-10-01 | 董晋辉 | Intelligent high-definition evidence-retaining projection all-in-one machine |
| CN206807574U (en) * | 2017-05-26 | 2017-12-26 | 广州市仕联电子科技有限公司 | AVM NODE interconnect node |
| CN108134916A (en) * | 2016-12-01 | 2018-06-08 | 北京视联动力国际信息技术有限公司 | A kind of data processing method of 4K terminals and 4K terminals |
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2018
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20010100543A (en) * | 2000-05-03 | 2001-11-14 | 문성진 | internet broadcasting system |
| CN101415113A (en) * | 2008-11-21 | 2009-04-22 | 深圳市共进电子有限公司 | Apparatus for transmitting and monitoring remote network video based on WiMax wireless network |
| CN102123139A (en) * | 2011-01-11 | 2011-07-13 | 上海交通大学 | Portable multifunctional multimedia terminal system |
| CN104079770A (en) * | 2014-06-30 | 2014-10-01 | 董晋辉 | Intelligent high-definition evidence-retaining projection all-in-one machine |
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Application publication date: 20190405 |