CN102055962B - Video monitoring system and method based on concentrated coder and decoder as well as concentrated coder and decoder - Google Patents
Video monitoring system and method based on concentrated coder and decoder as well as concentrated coder and decoder Download PDFInfo
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- CN102055962B CN102055962B CN2011100058352A CN201110005835A CN102055962B CN 102055962 B CN102055962 B CN 102055962B CN 2011100058352 A CN2011100058352 A CN 2011100058352A CN 201110005835 A CN201110005835 A CN 201110005835A CN 102055962 B CN102055962 B CN 102055962B
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Abstract
The invention is suitable for the field of video and audio frequency monitoring, and in particular relates to a video monitoring system and method based on a concentrated coder and decoder as well as the concentrated coder and decoder. The concentrated coder and decoder comprises a master control board, at least two video and audio frequency business cards and a back plate used for connecting the master control board and the video and audio frequency business cards, wherein the master control board controls forwarding of video and audio signals and controls matrix output; the video and audio frequency business cards code or decode the received video and audio signals or process the video and audio matrixes, and forwards the processed video and audio signals; and the back plate is used for connecting the master control board and the video and audio frequency business cards. The mode of concentrating various devices together enables the installation and maintenance of the devices to be more convenient, and the integration level and the processing way are improved greatly.
Description
Technical field
The invention belongs to and look the Voice Surveillance field, relate in particular to a kind of based on the video monitoring system of concentrating codec, method and concentrated codec.
Background technology
At present, video monitoring is main with the equipment of various separation, like web camera, video encoding device, video-audio decoder, matrix, digital hard disc video recorder etc.The equipment of this separation has brought a lot of shortcomings in practical operation: because equipment is more, and disperse, make the rather inconvenience such as installation, maintenance of equipment.And the maximum processing way of existing video monitoring equipment generally has only 32 road D1 (PAL (Phase Alternating Line) is 720*576, and NTSC (National Television Standards Committee) is 720*480), and it is low excessively to handle way.
Summary of the invention
It is a kind of based on the video monitoring system of concentrating codec, method and concentrated codec that the purpose of the embodiment of the invention is to provide, and is intended to solve because the equipment that the video monitoring equipment that separates causes is difficult for installation, maintenance and the low excessively problem of device processes way.
The embodiment of the invention is achieved in that a kind of concentrated codec, and said concentrated codec comprises:
Master control borad, at least two backboards of looking the audio service card and being used to connect said master control borad and looking the audio service card, wherein:
Said master control borad is used for control and transmits video/audio signal and gating matrix output;
Said look the audio service card be used for to the video/audio signal that receives encode, decoding or video/audio matrix handle, and transmits the video/audio signal after handling, and each processing way of looking the audio service card is 32 road D1.
It is a kind of based on the video monitoring system of concentrating codec that another purpose of the embodiment of the invention is to provide, and said system comprises: above-mentioned concentrated codec, and
Front-end camera links to each other with concentrated codec, is used to gather video/audio signal, and imports the video/audio signal of gathering into concentrated codec;
Display terminal links to each other with concentrated codec, is used for the video/audio signal of display set codec output;
The network switch links to each other with concentrated codec, is used for the video/audio signal of concentrating codec output exchanged to send to the internet after the processing or the network video/audio signal sent to concentrating codec to handle.
Another purpose of the embodiment of the invention is to provide a kind of video frequency monitoring method based on above-mentioned concentrated codec, and said method comprises the steps:
Concentrated codec receives video/audio signal;
Concentrate codec to the video/audio signal that receives encode, decoding or video/audio matrix handle;
Concentrate codec to send the video/audio signal after handling.
In embodiments of the present invention, utilize the communication modes of High speed rear panel integrated video encoding, look functions such as audio decoder and matrix.The mode that plurality of devices concentrates in together make equipment installation, safeguard more conveniently, and greatly improve integrated level and handle way.General in the market maximum processing way is 32 road D1; And in embodiments of the present invention,, and a plurality of audio service cards of looking are arranged because each processing way of looking the audio service card is 32 road D1; Therefore, the maximum processing way can reach 32 times that look audio service card number.The number of wherein, looking the audio service card is confirmed according to reality is required by the user.Because primary flow is adopted in the realization of matrix, look audio frequency and do not have loss, and got rid of between the passage with the mode of digital signal realization matrix and to have disturbed mutually, therefore, look audio quality and real-time and all can be guaranteed.
Description of drawings
Fig. 1 is the structure chart of the concentrated codec that provides of the embodiment of the invention;
Fig. 2 is the structure chart based on the video monitoring system of concentrating codec that the embodiment of the invention provides;
Fig. 3 is the flow chart based on the video frequency monitoring method of concentrating codec that the embodiment of the invention provides.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention utilize the communication modes of High speed rear panel integrated video encoding, look functions such as audio decoder and video/audio matrix.
The invention provides a kind of based on the video monitoring system of concentrating codec, method and concentrated codec:
Said concentrated codec comprises:
Master control borad, at least two backboards of looking the audio service card and being used to connect said master control borad and looking the audio service card, wherein:
Said master control borad is used for control and transmits video/audio signal and gating matrix output;
Said look the audio service card be used for to the video/audio signal that receives encode, decoding or video/audio matrix handle, and transmits the video/audio signal after handling, and each processing way of looking the audio service card is 32 road D1.
Said video monitoring system based on concentrated codec comprises:
Above-mentioned concentrated codec, and
Front-end camera links to each other with concentrated codec, is used to gather video/audio signal, and imports the video/audio signal of gathering into concentrated codec;
Display terminal links to each other with concentrated codec, is used for the video/audio signal of display set codec output;
The network switch links to each other with concentrated codec, is used for the video/audio signal of concentrating codec output exchanged to send to the internet after the processing or the network video/audio signal sent to concentrating codec to handle.
Said video frequency monitoring method based on above-mentioned concentrated codec comprises:
Concentrated codec receives video/audio signal;
Concentrate codec to the video/audio signal that receives encode, decoding or video/audio matrix handle;
Concentrate codec to send the video/audio signal after handling.
For technical scheme of the present invention is described, describe through specific embodiment below.
Embodiment one:
Be illustrated in figure 1 as the concentrated codec that the embodiment of the invention provides,, only show the part relevant with the embodiment of the invention for the ease of explanation.
Concentrate codec 1, be used for to video/audio signal encode, decoding or video/audio matrix handle.
In embodiments of the present invention; Concentrate that codec 1 comprises master control borad 11, the backboard 12 that is used to connect master control borad 11 and look audio service card 13 and at least two look audio service card 13 (as shown in Figure 1), the said audio service card of looking comprises that at least one video encoding card and at least one look the audio decoder card.Wherein:
Master control borad 11 links to each other with a plurality of audio service cards 13 of looking through backboard 12, is used for control and transmits video/audio signal.
Look audio service card 13; Link to each other through backboard 12 with master control borad 11 and to carry out communication; Be used for to the video/audio signal that receives encode, decoding or video/audio matrix handle; And transmit the video/audio signal after handling, the said video/audio signal that receives comprises the video/audio signal of front-end camera input and the video/audio signal that web camera is come through Internet transmission.The communication modes that backboard 12 links to each other that passes through of looking audio service card 13 and master control borad 11 includes but not limited to 1 group network communication, 1 group of PCIE (Peripheral Component Interconnect Express; A new generation's bus and interface standard) communication and 32 couples of BLVDS (Bus Low-Voltage Differential Signaling; The bus low pressure differential signal transmission) communication; Wherein, Network and PCIE communication modes (star bus structure) are used for transmission procedure, control command, need encode, decoding processing or carried out the video/audio signal of coding, decoding processing; The BLVDS communication modes is the parallel bus structure, can articulate master control borad 11 simultaneously and all look audio service card 13, and this BLVDS communication modes is used to transmit the video/audio matrix signal.
Be illustrated in figure 2 as the video monitoring system that the embodiment of the invention provides,, only show the part relevant with the embodiment of the invention for the ease of explanation based on concentrated codec.
In embodiments of the present invention, a kind of communication system based on the backboard communication comprises: concentrate codec 1, front-end camera 2, display terminal 3, the network switch 4, internet 5, office terminal 6, network storage unit 7 and web camera 8.Wherein:
Concentrate codec 1, be used for to video/audio signal encode, decoding or video/audio matrix handle.
In embodiments of the present invention; Concentrate that codec 1 comprises master control borad 11, the backboard 12 that is used to connect master control borad 11 and look audio service card 13 and at least two look audio service card 13, the said audio service card of looking comprises that at least one video encoding card and at least one look the audio decoder card.
Looking audio service card 13 includes but not limited to the video encoding card and looks the audio decoder card.The video encoding card is used for video/audio signal is carried out encoding process, looks the audio decoder card and is used for video/audio signal is carried out decoding processing.Master control borad 11 is used to realize video/audio matrix.
In embodiments of the present invention, specifically being embodied as of coding:
Behind the video/audio signal that the front-end camera 2 that the video encoding clamping is received imports into; Video/audio signal is carried out encoding process; Video/audio signal after will handling then arrives master control borad 11 through network or PCIE channel transfer, and master control borad 11 is transferred to internet 5 after again the video/audio signal after the above-mentioned processing being forwarded to the network switch 4.
In embodiments of the present invention, specifically being embodied as of decoding:
After master control borad 11 receives the video/audio signal that web camera imports into through the internet; Stick into capable decoding processing through network or PCIE channel transfer to looking audio decoder, then the video/audio signal after the decoding processing is delivered to display terminal 3 and show or carry out other function treatment such as matrix.
In embodiments of the present invention, specifically being embodied as of video/audio matrix:
The audio analog signals of looking that the video encoding card docking is received carries out analog-to-digital conversion; Be converted into and look audio digital signals; Looking the audio decoder card is decoded as the video/audio signal that receives and looks audio digital signals; Then; Select according to the instruction that the office terminal sends over reaching the decoded audio digital signals of looking after the above-mentioned analog-to-digital conversion, the audio digital signals of looking that will select then is transferred to master control borad 11 through BLVDS, by master control borad 11 above-mentioned video/audio matrix signal is sent to display terminal 3 again and shows.Wherein, the said audio digital signals of selecting of looking is the video/audio matrix signal.
Front-end camera 2 links to each other with concentrated codec 1, is used to gather video/audio signal, and imports the video/audio signal of gathering into concentrated codec 1.
The network switch 4 links to each other with concentrated codec 1 and internet 5, is used for the video/audio signal of concentrating codec 1 output exchanged to send to internet 5 after the processing or the network video/audio signal sent to concentrating codec to handle.
In embodiments of the present invention, said network video/audio signal is meant the video/audio signal that is transferred to the network switch through internet 5.
In embodiments of the present invention, network storage unit 7 also can directly link to each other with the network switch 4, receives the video/audio signal that the network switch directly transmits.
In embodiments of the present invention, utilize the communication modes of High speed rear panel integrated video encoding, look functions such as audio decoder and video/audio matrix.The mode that plurality of devices concentrates in together make equipment installation, safeguard more conveniently, and greatly improve integrated level and handle way.General in the market maximum processing way is 32 road D1; And in embodiments of the present invention,, and a plurality of audio service cards of looking are arranged because each processing way of looking the audio service card is 32 road D1; Therefore, the maximum processing way can reach 32 times that look audio service card number.The number of wherein, looking the audio service card is confirmed according to reality is required by the user.Because primary flow is adopted in the realization of matrix, look audio frequency and do not have loss, and discharged between the passage with the mode of digital signal realization matrix and to have disturbed mutually, therefore, look audio quality and real-time and all can be guaranteed.
Embodiment two:
Be illustrated in figure 3 as the flow chart based on the video frequency monitoring method of concentrating codec provided by the invention,, only show the part relevant with the embodiment of the invention for the ease of explanation.
In step S301, concentrated codec receives video/audio signal.
In embodiments of the present invention, the video/audio signal that receives of concentrated codec comprises the video/audio signal of front-end camera input and the video/audio signal that web camera is come through Internet transmission.
In step S302, concentrate codec to the video/audio signal that receives encode, decoding or video/audio matrix handle.
In embodiments of the present invention, specifically being embodied as of coding:
Concentrated codec carries out encoding process to video/audio signal after receiving the video/audio signal that front-end camera imports into, transmits the video/audio signal after handling then.
In embodiments of the present invention, specifically being embodied as of decoding:
Concentrated codec carries out decoding processing to video/audio signal after receiving the video/audio signal that web camera imports into through the internet, transmits the video/audio signal after handling then.
In embodiments of the present invention, specifically being embodied as of video/audio matrix:
The audio analog signals of looking that the video encoding card docking is received carries out analog-to-digital conversion; Be converted into and look audio digital signals; Looking the audio decoder card is decoded as the video/audio signal that receives and looks audio digital signals; Then, above-mentioned analog-to-digital conversion and the decoded audio digital signals of looking are selected according to preset instruction, sent the above-mentioned video/audio matrix signal of selecting then.Wherein, the said audio digital signals of selecting of looking is the video/audio matrix signal, and said preset instruction is the instruction that the office terminal sends over.
In step S303, concentrate codec to send the video/audio signal after handling.
In embodiments of the present invention, concentrated codec both can be sent to display terminal with the video/audio signal after handling and show, is transferred to the internet after also can being sent to the network switch.Wherein, the video/audio matrix signal only is sent to display terminal and shows.After being transferred to the internet, can carry out multiple processing to video/audio signal, as: be stored to network storage unit etc.
In embodiments of the present invention, utilize the communication modes of High speed rear panel integrated video encoding, look functions such as audio decoder and matrix.The mode that plurality of devices concentrates in together make equipment installation, safeguard more conveniently, and greatly improve integrated level and handle way.General in the market maximum processing way is 32 road D1; And in embodiments of the present invention,, and a plurality of audio service cards of looking are arranged because each processing way of looking the audio service card is 32 road D1; Therefore, the maximum processing way can reach 32 times that look audio service card number.The number of wherein, looking the audio service card is confirmed according to reality is required by the user.Because primary flow is adopted in the realization of matrix, look audio frequency and do not have loss, and discharged between the passage with the mode of digital signal realization matrix and to have disturbed mutually, therefore, look audio quality and real-time and all can be guaranteed.
The above is merely preferred embodiment of the present invention, not in order to restriction the present invention, all any modifications of within spirit of the present invention and principle, being done, is equal to and replaces and improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a concentrated codec is characterized in that, said concentrated codec comprises:
Master control borad, at least two backboards of looking the audio service card and being used to connect said master control borad and looking the audio service card, wherein:
Said master control borad is used for control and transmits video/audio signal and gating matrix output;
Said look the audio service card be used for to the video/audio signal that receives encode, decoding or video/audio matrix handle, and transmits the video/audio signal after handling, and each processing way of looking the audio service card is 32 road D1.
2. concentrated codec as claimed in claim 1 is characterized in that, said master control borad and said is looked the communication modes that the audio service cartoon crosses after backboard connects and comprised network communication, PCIE communication and BLVDS communication.
3. concentrated codec as claimed in claim 1 is characterized in that, the said audio service card of looking comprises that at least one video encoding card and at least one look the audio decoder card.
4. the video monitoring system based on concentrated codec is characterized in that said system comprises the said concentrated codec of claim 1, and said system also comprises:
Front-end camera links to each other with concentrated codec, is used to gather video/audio signal, and imports the video/audio signal of gathering into concentrated codec;
Display terminal links to each other with concentrated codec, is used for the video/audio signal of display set codec output;
The network switch links to each other with concentrated codec, sends to the internet after being used for the video/audio signal of concentrating codec output exchanged processing.
5. system as claimed in claim 4 is characterized in that, said master control borad and said is looked the communication modes that the audio service cartoon crosses after backboard connects and comprised network communication, PCIE communication and BLVDS communication.
6. system as claimed in claim 4 is characterized in that, the said audio service card of looking comprises that at least one video encoding card and at least one look the audio decoder card.
7. system as claimed in claim 4 is characterized in that, said system also comprises:
The office terminal is used for equipment is managed, disposed;
Network storage unit is used to store the video/audio signal that the video/audio signal of coming from Internet transmission or the said network switch directly transmit;
Web camera is used to gather video/audio signal, and transfers to the video/audio signal of gathering on the internet.
8. the video frequency monitoring method based on the described concentrated codec of claim 1 is characterized in that, said method comprises:
Concentrated codec receives video/audio signal;
Concentrate codec to the video/audio signal that receives encode, decoding or video/audio matrix handle;
Concentrate codec to send the video/audio signal after handling.
9. want 8 described methods like right, it is characterized in that, said step concentrate codec to the video/audio signal that receives encode, decoding or video/audio matrix handle and be specially:
Concentrated codec carries out encoding process to video/audio signal after receiving the video/audio signal that front-end camera imports into;
Concentrated codec carries out decoding processing to video/audio signal after receiving the video/audio signal that web camera imports into through the internet;
Concentrate codec that the audio analog signals of looking that receives is carried out analog-to-digital conversion; Be converted into and look audio digital signals; Concentrate codec that the video/audio signal that receives is decoded as and look audio digital signals; Select according to preset instruction reaching the decoded audio digital signals of looking after the above-mentioned analog-to-digital conversion, send the video/audio matrix signal of selecting then.
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| CN103037170B (en) * | 2011-10-10 | 2015-11-25 | 杭州海康威视数字技术股份有限公司 | Monitor video matrix system, network and cascade switching thereof, bandwidth adjusting method |
| CN103179385B (en) * | 2013-03-29 | 2016-04-27 | 苏州皓泰视频技术有限公司 | A kind of easily extensible NVR system based on polycaryon processor |
| CN104581036B (en) * | 2013-10-29 | 2017-12-22 | 杭州海康威视数字技术股份有限公司 | Carry out the multi-screen control method and device of video and audio multihead display |
| CN107493483A (en) * | 2016-06-13 | 2017-12-19 | 杭州海康威视数字技术股份有限公司 | A kind of information transferring method, device and digital hard disc video recorder |
| CN112866585A (en) * | 2021-01-06 | 2021-05-28 | 北京数码视讯技术有限公司 | System and method for controlling scheduling of video and audio streams |
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| CN100344126C (en) * | 2004-02-25 | 2007-10-17 | 华为技术有限公司 | Equipment and method for configuring network of wide band access |
| CN201039274Y (en) * | 2007-02-09 | 2008-03-19 | 宋景明 | Modular pluggable board multi-function VoIP gateway |
| CN101188036A (en) * | 2007-04-24 | 2008-05-28 | 华中科技大学 | Optical fiber surrounding guarding and laser night vision online monitoring system |
| CN101170394B (en) * | 2007-11-27 | 2010-09-15 | 华为技术有限公司 | A method and device for realizing inter-board interconnection |
| CN101365116A (en) * | 2008-09-28 | 2009-02-11 | 上海外轮理货有限公司 | Real-time monitoring system for container loading, unloading and checking |
| CN201440738U (en) * | 2009-07-22 | 2010-04-21 | 深圳市朗驰欣创科技有限公司 | Network terminal and monitoring device |
| CN101751368B (en) * | 2009-12-30 | 2013-08-07 | 中兴通讯股份有限公司 | Single-board communication method, device and system |
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