CN101060447B - IP network-based method and system for realizing the multi-media communication - Google Patents
IP network-based method and system for realizing the multi-media communication Download PDFInfo
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- CN101060447B CN101060447B CN2006100351874A CN200610035187A CN101060447B CN 101060447 B CN101060447 B CN 101060447B CN 2006100351874 A CN2006100351874 A CN 2006100351874A CN 200610035187 A CN200610035187 A CN 200610035187A CN 101060447 B CN101060447 B CN 101060447B
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Abstract
The disclosed MM communication method based on IP network comprises: a terminal box 30 sends command or configuration message to the MM agent server 31 through the IP network 32; the server 31 accesses and calls or operates and executes the resource on server 31 self or INTERNET 33 as the command message; the server 31 processes all response into digital video and audio flow IP package to send tothe box 30; the latter decodes and displays the data. This invention saves cost, and reduces system complexity.
Description
Invention field
The present invention relates to the multimedia transmission technology, specially refer to client/server multimedia method for communicating and system that a kind of IP based network is realized.
Technical background
Along with the development of Internet, the content of multimedia on the Internet is day by day abundant, and the network user watches multimedia programming by computer or television interactively on Internet or carries out the more and more reality that become a kind of active demand of multimedia recreation.
Background one: the commercial operation level multimedia is used
At present, it is commonplace to appreciate the online content of multimedia of Internet by computer.Because the online content of multimedia kind form of Internet is various, for appreciating these contents, computer user must constantly be taken time and energy is sought plug-in unit with download process associated multimedia content, and this good experience to computer user has constituted obstacle; Different content of multimedia also has different requirements to the performance of computer, and this causes the computer user computer hardware and software of upgrading of must constantly spending.In addition, the computer virus of various wide-scale distribution on the net also has a strong impact on the normal use of computer user.On the other hand, for televiewer's appreciation content of multimedia of surfing the Net, the obstacle of existence is more at present.Televiewer online mainly contains two kinds of means: a kind of is that parts by an IP set-top box or similar functions insert the Internet, and another kind is to insert the Internet by a high performance amusement computer.A kind of means in back cost dearly, and the price of present this amusement computer is easily more than 5,6,000 yuan, and the computer user of user's experience and front is similar, no longer carefully states here.
By the IP set-top box is the main means of TV online, but also has a lot of problems.At first, the content of multimedia that set-top box can be supported is quite limited, resembles online very general Flash animation, and most set-top box are not supported.Reason is very simple, if support the Flash animation of various forms to play, set-top box need increase many costs.Secondly, the form of present online various video contents is disunity very, the development of video format is also very fast, if the video format of existing set-top box support is eliminated gradually, the set-top box that investment renews with regard to needs---see that video is the major function of set-top box on the existing market.So the design of IP set-top box at present has the trend that function is complicated, price is more expensive, to manage to handle the content of multimedia that the online kind form of Internet day by day increases by constantly strengthening the property and increasing function.But design complicated IP set-top box and will constitute the new obstacle that uses to general televiewer again.Still more, the perfect again IP set-top box of function design also can't adapt to upward ever-increasing, new content of multimedia of Internet.Also have, even the simple relatively IP set-top box of these functions at present, because the software of Windows IE browser and MS MediaPlayer and so on has been installed, cost is still not low.
At present, the problem that also exists on the network-multimedia application is, because each network user need download multimedia file from the Internet continually, watch streaming medium content or download various content of multimedia and play needed plug-in unit or application program, cause the network congestion phenomenon serious, cause very big problem for user, broadband access operator and website etc.
Also have, each IP set-top box producer is in order to support numerous multimedia application at present, often release a series of products of various difference in functionalitys and class, causing the set-top box functionality of different manufacturers, each is incompatible, no matter be set-top-box chip manufacturer, IP set-top box manufacturing firm, or local side apparatus make the commercial city and face huge technology development work amount, cause the high of the significant wastage of social resources and overall system cost.
Background two: TV online in the family
Existing one or more the high performance household PC of a lot of broadband access network domestic consumers, but for the online of the TV in the family, need buy a high performance amusement computer again, or buy an IP set-top box.High performance amusement computer costs an arm and a leg, and very similar with high performance household PC, therefore belongs to overlapping investment, and the ordinary family user holds and dares not accept.As buy an IP set-top box, also there are problems such as the content of multimedia of supporting is quite limited, the renewal of the equipment replacement is fast, on the high side.Utilize TV to appreciate all kinds content on the Internet and increase cost not significantly, be open question always.
Summary of the invention
The objective of the invention is to avoid the many deficiencies of prior art and propose a kind of easier client/server multimedia method for communicating and system.At the deficiencies in the prior art in the aforesaid commercial operation level multimedia application; the present invention has been intended to reduce the overall investment of Video Applications commercial operations such as IPTV; simplified the complexity of IPTV terminal use's complicated operation degree and operator's management terminal device greatly; protect the investment on equipment of terminal use and operator effectively; alleviated the network congestion that network-multimedia application causes effectively; the more important thing is, make the IPTV set-top box users can enjoy than prior art abundant the network multimedia content of Duoing.Deficiency at TV online existence in the family of aforesaid second background; the present invention has made full use of the investment of user on home PC for the domestic consumer realizes the TV online; provide cheap and powerful " simple and easy IP set-top box+home PC integral type " solution; the user needn't overlapping investment buy a high performance amusement computer; simplified the complicated operation degree of TV online in the family greatly; protect the investment of domestic consumer on the IP set-top box effectively, and make the IP set-top box users can enjoy than prior art abundant the network multimedia content of Duoing.
The above-mentioned technical problem of the present invention solves like this, construct client/server multimedia communication means a kind of IP based network, easy, based on terminal equipment, IP multimedia terminal box 30, multimedia proxy server 31, IP network 32, INTERNET net 33, may further comprise the steps: S1) terminal box 30 sends order or configuration information to multimedia proxy server 31 by IP network 32; S2) multimedia proxy server 31 visit, call or operate, carry out the resource on described command information specified server 31 self or the INTERNET net 33; S3) multimedia proxy server 31 is with execution in step S2) the various contents processing with vision and aural signature of time response become real-time digital video and audio stream IP bag to mail to terminal box 30; S4) terminal box (30) is decoded to real-time digital video and the audio stream IP bag received, carries out video/audio by terminal equipment and resets.Wherein, one or more forms below real-time digital video and audio stream adopt: MPEG2, MPEG4, H.264 (ITU-T), VC-1 (Microsoft), AVS (Chinese digital audio/video encoding and decoding technique standard operation group), or adopt other any forms.
In said method of the present invention, described multimedia proxy server 31 communicates with one or more IP multimedia terminal boxes 30 with different IP addresses simultaneously.
In said method of the present invention, comprise that also terminal box 30 receives the step from the command information of terminal equipment at any time, described command information comprises the information of keyboard or remote controller key information, vision signal, audio signal or other type.
In said method of the present invention, at step S3) in, described various content with vision and aural signature comprises multimedia file such as moving image file, audio files, photo files, webpage, Flash animation file, MS Word document, Streaming Media such as video flowing, audio stream, or application program such as MS window explorer, MS Excel software, Games Software, MS Outlook software.
In said method of the present invention, if described content with vision and aural signature is a multimedia file, then multimedia proxy server 31 will call corresponding multimedia file application program and handle this file, and will call the video after this application program and audio frequency output converts real-time digital video to and audio stream IP bag mails to terminal box.
In said method of the present invention, if described content with vision and aural signature is an application program, then server will be carried out this application program in body, and will carry out video after this application program and audio frequency output converts real-time digital video to and audio stream IP bag mails to terminal box 30.
In said method of the present invention, at step S3) in, real-time digital video and audio stream that described multimedia proxy server 31 mails to terminal box 30 adopt one or more fixing forms.If described content with vision and aural signature be Streaming Media and its form not within these one or more fixing forms, then the server calls appropriate application program is carried out the stream media format conversion.
According to the system of realization multimedia communication provided by the invention, comprise the terminal equipment that receives control command, video and audio playback are provided; The IP multimedia terminal box 30 of video and audio signal is provided to terminal equipment; The multimedia proxy server 31 that is connected with IP multimedia terminal box 30 with IP network 32, described multimedia proxy server 31 is connected on the INTERNET net 33 simultaneously, wherein, terminal box 30 receives from sending command information to multimedia proxy server 31 by IP network after the command information of terminal equipment; Multimedia proxy server 31 visit, the multimedia proxy server 31 self that calls or operate, carries out described command information appointment or the resource on the INTERNET net 33, and the various contents processing with vision and aural signature that will respond become real-time digital video and audio stream IP to wrap to mail to terminal box; 30 pairs of real-time digital videos of receiving of terminal box and audio stream IP bag are decoded, and carry out video/audio by terminal equipment and reset.
In said system of the present invention, described multimedia proxy server comprises the high-performance computer of normal domestic use computer and private server level, and described IP multimedia terminal box comprises special-purpose IP set-top box and normal domestic use host computer; Image display in the described terminal equipment can be television set or computer monitor.
Implement IP based network provided by the invention and realize the method and system of multimedia communication, compare with the prior art in the aforementioned background one, IP multimedia terminal box is not the online various contents with vision and aural signature of direct access Internet among the present invention, but these contents processing are become the real-time video and the audio stream of consolidation form by powerful acting server, and then send to the multimedia terminal box, the beneficial effect that brings is: 1) owing to installed the software and hardware that various network multimedia contents are handled concentratedly on the acting server, needn't on each multimedia terminal box of subordinate, dispose identical software and hardware again or download various multimedia application softwares, save the investment of whole system so greatly, significantly reduced terminal use's complicated operation degree; 2) multimedia terminal box simplicity of design, needn't frequently carry out the software and hardware upgrading for the content of multimedia of supporting various formats, and only need in case of necessity to concentrate upgrading to get final product to the software and hardware of server end, be convenient to the management of each multimedia terminal box like this, and effectively protected the investment of system; 3) owing to content of multimedia is handled and storage by server centered, avoided a plurality of terminal uses to download same content of multimedia respectively, reduced the stand-by period of user's download or appreciation network multimedia content so on the one hand, also significantly reduce content of multimedia the number of transmissions on the net, effectively alleviated the network congestion that network-multimedia application causes.
Compare with the prior art in the aforesaid background two, family expenses IP set-top box among the present invention is not the online various contents with vision and aural signature of direct access Internet, but do real-time video and the audio stream that server becomes these contents processing consolidation form by a powerful household PC, and then send to the IP set-top box, the beneficial effect that brings is: 1) user needn't overlapping investment buy a high performance amusement computer, but can enjoy similar entertainment effect; 2) owing on the household PC software and hardware that various network multimedia contents are handled has been installed, needn't on the IP of subordinate set-top box, dispose identical software and hardware again or download various multimedia application softwares, simplified the design of IP set-top box like this, reduced investment, and significantly reduced the complicated operation degree of TV user the IP set-top box; 3) the IP set-top box design is simple, needn't frequently carry out the software and hardware upgrading for the content of multimedia of supporting various formats, protects the investment of user to set-top box effectively, therefore has good market prospects.
Description of drawings
Fig. 1 is the connection diagram of using at the operation level multimedia by the inventive method;
Fig. 2 is the connection diagram of using by the inventive method TV online within the family;
Fig. 3 is by the inventive method interactive process schematic diagram between terminal and server in the multimedia application in operation level is used;
Fig. 4 is the schematic module frame chart by IP set-top box of the present invention;
Fig. 5 is a set-top box button handling process schematic diagram.
Embodiment
Below in conjunction with drawings and Examples the present invention is done further detailed description.
Embodiment 1: the operation level multimedia is used
Fig. 1 is the schematic diagram of using at the operation level multimedia by the inventive method.2 IP set-top box IP-STB30 and PC multimedia terminal 35 are by Ethernet 32 access band access server BAS36, multimedia proxy server 31 links to each other with BAS Broadband Access Server 36 by the high-speed communication port, and multimedia proxy server 31 is connected to the Internet 33 simultaneously.A plurality of multimedia terminals 35 (only illustrating 2 among the figure) that multimedia proxy server 31 is furnished with subordinate are logined and communication supervisory software and hardware, be furnished with the application software and hardware of handling various Internet network multimedia contents, also be furnished with the application software and hardware of real-time video and audio stream coding.Multimedia proxy server 31 has the extensibility of height.The quantity of how many flexible configuration system inner multimedia contents processing hardware of the terminal quantity of application service and the quantity of real-time video and audio stream encoding process hardware in the zone that operator can be covered according to server 31.This two classes hardware can be designed to board plug type, so that System Expansion.Multimedia proxy server 31 has multimedia application software update functions fast, the flexecutive of operator can be to the batch updating at any time of the application software on all multimedia proxy servers 31 in the city or in the bigger zone, so that the terminal use can have access to the content of multimedia of the online up-to-date form of Internet at any time.
Fig. 3 is by the inventive method interactive communication process schematic diagram of 31 of terminal 35 and multimedia proxy servers in the multimedia application in operation level is used.It should be noted that server 31 possesses simultaneously the ability with hundreds of above terminal interactive communications.
Referring to Fig. 3, behind the set-top-box opening of end side, send logging request by IP network to multimedia proxy server, simultaneously to terminal equipment output start interface, after the instruction of receiving the permission login of sending by IP network from multimedia proxy server, just entering the video/audio stream that server is sent decodes and outputs to terminal equipment and detection and transmit the terminal input signal to server. in the multimedia proxy server side, after receiving logging request from set-top box, request is verified, checking is unsuccessful to be returned, and is proved to be successful then to send out to set-top box to grant the login instruction, carries out the initialization of following content again: the service software that starts this terminal, storage allocation Streaming Media coding resource etc., subsequently, send login interface stream, wait for that the user inputs account number and password etc. to terminal, receiving the user imports when account number cipher is correct simultaneously, send the multimedia application Interface Current to terminal, start different multimedia application according to user key-press, as, browsing page, displaying video programs etc.
Embodiment 2: use on the television network in the family
Fig. 2 is the connection diagram of using by the inventive method TV online within the family.IP set-top box 30 is by household internal local area network (LAN) 32 and PC networking as multimedia proxy server 31, and PC31 is again by home broadband router 36 visit Internet nets 33.PC server 31 can adopt WindowsXP or the Windows2000 operating system that relatively is fit to home computer.Television set passes through 30 online of an IP set-top box in the family in order to cooperate, 30 softwares of communicating by letter of information and management and IP set-top box of be furnished with 30 logins of managing I P set-top box on the PC server 31, generate IP set-top box 30 interfaces, process IP set-top box 30 being sent, and be furnished with the software that the interface of mailing to IP set-top box 30 is carried out real-time video and audio stream coding.The pc user should download the application software and the plug-in unit of the various Internet network multimedia of processing content in advance as much as possible, to make things convenient for the TV user online.
Basic Fig. 3 with embodiment 1 is similar for the interactive process that PC server 31 and IP set-top box are 30, as different from Example 1,31 need of PC server be no more than 2 IP set-top box interactions and communicate by letter.
Fig. 4 is the schematic module frame chart of IP set-top box of the present invention, wherein, IP set-top box 30 comprises multimedia processor 41 and network processing unit 48, multimedia processor 41 is connected to internal memory 42, flash memory 43, infrared interface 44, video D/A conversion unit 45 and audio frequency D/A conversion unit 46, the video of television set and audio input end are connected video D/A conversion unit 45 and the digital converting unit 46 of audio frequency respectively, notice that set-top box do not join video input and audio input interface.In the present invention, IP set-top box 30 need not to bear various multimedia processing capacity, and with respect to the set-top box of prior art, design is greatly simplified.
In the software in the IP set-top box, the program circuit of button input signal detection and processing is for example as Fig. 5, and constantly detection has or not button, as detects button, then sends this button corresponding key message bag by IP network to multimedia proxy server.The coding correspondence table design example that actual key and corresponding set-top box mail to acting server is as follows:
Button push-button type push-button type numbering button numbering
0-9 numerical key 1 0-9
← → ↑ ↓ directionkeys 2 0-3
Fast forward button video operating key 30
Rewind down key video operating key 31
Pause key video operating key 32
Stop key video operating key 33
Volume increases/reduces volume control key 4 0-1
Network address options button 1-10 network address options button 5 0-9
Function key 1-10 function key 6 0-9
Letter key a-z and A-Z letter key 7 0-51
20 symbolic key 8 0-19 of symbolic key
ICP/IP protocol is adopted in the transmission that terminal box mails to control information data such as the button, mouse of server, and the data format design example is as follows:
| The IP header | The TCP header | The terminal box data type | The terminal box data subject | Bag tail information |
Terminal box data type: can be defined as 1 byte
For key information, can be defined as 1; For mouse message, can be defined as 2; Or the like the terminal box data subject: the data segment that can be defined as fixed length or random length
Suppose the user pressed a directionkeys ↓, then by the coding correspondence table of front, data subject has two bytes, form is as follows:
Byte 1:2 (expression by be directionkeys)
Byte 2:3 (expression by be downward arrow in the directionkeys).
Claims (8)
1. an IP based network is realized the method for multimedia communication, based on terminal equipment, IP multimedia terminal box (30), multimedia proxy server (31), IP network (32), INTERNET net (33), may further comprise the steps:
S1) IP multimedia terminal box (30) sends order or configuration information to multimedia proxy server (31) by IP network (32);
S2) multimedia proxy server (31) self of the described command information appointment of execution or the resource on the INTERNET net (33) are called or are operated in multimedia proxy server (31) visit;
S3) multimedia proxy server (31) is with execution in step S2) the various contents processing with vision and aural signature of time response become real-time digital video and audio stream IP bag to mail to IP multimedia terminal box (30);
If described content with vision and aural signature is a multimedia file, then multimedia proxy server (31) will call corresponding multimedia file application program and handle this file, and will call the video after this application program and audio frequency output converts real-time digital video to and audio stream IP bag mails to IP multimedia terminal box (30);
If described content with vision and aural signature is an application program, then multimedia proxy server (31) will be carried out this application program in body, and will carry out video after this application program and audio frequency output converts real-time digital video to and audio stream IP bag mails to IP multimedia terminal box (30);
S4) IP multimedia terminal box (30) is decoded to real-time digital video and the audio stream IP bag received, carries out video/audio by terminal equipment and resets.
2. according to the described method of claim 1, it is characterized in that described multimedia proxy server (31) communicates with one or more IP multimedia terminal boxes (30) with different IP addresses simultaneously.
3. according to the described method of claim 1, it is characterized in that comprise that also terminal box (30) receives the step from the command information of terminal equipment at any time, described command information comprises keyboard or remote controller key information, vision signal or audio signal.
4. according to the described method of claim 1, it is characterized in that, at step S3) in, described various contents with vision and aural signature comprise multimedia file, Streaming Media or application program.
5. according to the described method of claim 1, it is characterized in that, at step S3) in, real-time digital video and audio stream that described multimedia proxy server (31) mails to terminal box (30) adopt one or more fixing forms.
6. method according to claim 4, it is characterized in that, if described content with vision and aural signature is Streaming Media and its form not within one or more the fixing forms in the described method of claim 5, then the server calls appropriate application program is carried out the stream media format conversion.
7. the system according to the described method realization of claim 1 multimedia communication is characterized in that, comprises the terminal equipment that receives control command, video and audio playback are provided; The IP multimedia terminal box (30) of video and audio signal is provided to terminal equipment; The multimedia proxy server (31) that is connected with IP multimedia terminal box (30) with IP network (32), described multimedia proxy server (31) is connected on the INTERNET net (33) simultaneously, wherein, IP multimedia terminal box (30) receives from sending order or configuration information to multimedia proxy server (31) by IP network after the command information of terminal equipment; The multimedia proxy server (31) self of the described command information appointment of execution or the resource on the INTERNET net (33) are called or are operated in multimedia proxy server (31) visit, and the various contents processing with vision and aural signature that will respond become real-time digital video and audio stream IP bag to mail to IP multimedia terminal box (30); IP multimedia terminal box (30) is decoded to real-time digital video and the audio stream IP bag received, carries out video/audio by terminal equipment and resets.
8. according to the described system of claim 7, it is characterized in that described multimedia proxy server comprises the high-performance computer of normal domestic use computer and private server level, described IP multimedia terminal box comprises special-purpose IP set-top box and normal domestic use host computer; Image display in the described terminal equipment is television set or computer monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2006100351874A CN101060447B (en) | 2006-04-21 | 2006-04-21 | IP network-based method and system for realizing the multi-media communication |
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| CN2006100351874A CN101060447B (en) | 2006-04-21 | 2006-04-21 | IP network-based method and system for realizing the multi-media communication |
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| CN101060447A CN101060447A (en) | 2007-10-24 |
| CN101060447B true CN101060447B (en) | 2011-12-28 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2271048B1 (en) * | 2009-06-30 | 2019-11-06 | Alcatel Lucent | Method for provisioning a multimedia service |
| CN102238151B (en) | 2010-04-27 | 2014-07-16 | 中兴通讯股份有限公司 | Flash-based media stream generation system and method |
| CN102811383A (en) * | 2012-07-06 | 2012-12-05 | 深圳市同洲电子股份有限公司 | Video file playing method and device based on set top box |
| US10387973B2 (en) * | 2013-02-28 | 2019-08-20 | Sony Corporation | Trending stories in game activity feeds |
| CN104243436A (en) * | 2013-06-21 | 2014-12-24 | 中兴通讯股份有限公司 | Service processing method, device and system |
| CN104426959A (en) * | 2013-08-29 | 2015-03-18 | 腾讯科技（深圳）有限公司 | Multimedia file playing method and system and server |
| CN108831315A (en) * | 2018-05-23 | 2018-11-16 | 深圳市茁壮网络股份有限公司 | A kind of electronic welcome board and the display methods for welcoming content |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250187A (en) * | 1999-10-15 | 2000-04-12 | 林沧 | Computer multi-media wide-band cut-in network system |
| CN1738409A (en) * | 2004-08-18 | 2006-02-22 | 华为技术有限公司 | Set-top box system with multimedia communication function |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1250187A (en) * | 1999-10-15 | 2000-04-12 | 林沧 | Computer multi-media wide-band cut-in network system |
| CN1738409A (en) * | 2004-08-18 | 2006-02-22 | 华为技术有限公司 | Set-top box system with multimedia communication function |
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