CN101094107A - System and method for accurate measuring transmission effect of P2P stream media netwrok for video / audio programs - Google Patents
System and method for accurate measuring transmission effect of P2P stream media netwrok for video / audio programs Download PDFInfo
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Abstract
The system comprises: stream-media releasing end, index server, client side, server for recording the watched program at customer end, and time transmission center. The method comprises: 1) said stream-media releasing end gets the precise time value from the time transmission center; 2) the stream-media releasing end disassembles the stream-media data into multi stream-media data fragments used by P2P system; labeling time mark on each fragment; sending the fragments to the network; 3) the client side gets the stream-media fragments data with said time mark from the stream-media release end or other P2P client sides; the client side extracts the time mark of each fragment; 5) the client side converts the time mark into the precise records of programs watched by user; collecting the precise records from all client sides.
Description
Technical field
The present invention relates to accurately measure the system and method for the online result of broadcast of audiovisual material.
Background technology
The Internet broadband cause fast development of China.By in December, 2005, Chinese netizen's number has reached 1.11 hundred million; The broadband access network number of netizen was 6,430 ten thousand people, had increased by 2,150 ten thousand people than 2004, and growth rate is 50.2%; The expenses of surfing Internet of China netizen actual cost in every month is 103.6 yuan, estimates that annual national expenses of surfing Internet total scale in 2005 is above 1,000 hundred million yuan.In the function that the netizen often uses, the demand for services relevant with video display become netizen's main demand: Online Music listens to and downloads that (online television) 37.1% watched and downloaded in (online broadcasting) 38.3%, online video display, file is uploaded download (not comprising music, movie ﹠ TV download) 33.8%.Vast netizen colony has proposed very large demand to the voice on the net program, has directly promoted the new development of audio-video network communications, and the first half of the year in 2005, in the past still the normal stream medium technique of mainstream solution became traditional.The technical thought of normal stream medium is to serve all clients from a central point, and when client's quantity increases, the device service ability and the outlet bandwidth of central point all will become bottleneck, and with the increase of service-user, needs continuous dilatation.The central point service mode just looks like that the hundreds of thousands people pours in an emporium simultaneously, and it is serious crowded to bring for sales counter (broadcast service platform) and gateway, market (bandwidth), and anyone can not get satisfied service.
P2P is the abbreviation of Peer to Peer (end-to-end link), is the technology that a kind of autonomous resource of utilizing extensive distribution is finished specific function, it preferably adaptive surface to the demand of the application system of magnanimity retractility.Different with traditional C/S (center/client) pattern, each peer node that distributes in P2P is equal, and directly resource and services such as calculating, storage, information are shared in exchange, need not to rely on centralized server.Each node also is required to be other node service is provided when enjoying service.Like this, the cooperation by cheap node just can produce huge system gain.Utilize the thought of P2P to come the architecture flow media services, requesting node not only can be served to the media server request, and can be to previous serviced or directly have the peer node request service of this media file, rely on the ability of a large amount of peer node self to alleviate the pressure of server and backbone network.The P2P stream media technology just looks like the recreation that passes the flower while the drum is beaten, and promptly at first obtains signal by first therefrom genuinely convinced affair platform of people, can automatically signal be passed to the next people who needs when watching.Each beholder is in case online, and system at first detects from his the nearest signal source that needs, and makes it automatic acquisition, and he passes to other people to signal again when watching.The people who watches is many more, and signal source supplier is just many more, so speed is fast more, signal is stable more.The advantage of P2P technology is conspicuous, as broadcasting the flow medium digital TV signal on the internet, serves 100,000 people simultaneously, and mode is broadcasted at traditional center need drop into 100,000,000 yuan approximately, and with the increase of service number, also needing increase investment in the linear growth mode; And use the P2P technology, then only need to drop into less than ten thousand element devices surplus ten and get final product.So the P2P technology is " subversiveness innovation " technology (Ke Ruisitanding of Harvard University professor is about the research language of destructiveness innovation).
The concrete technology of P2P Streaming Media realizes, can consult the special data in this field.It realizes that thinking is: Distributor about the every about 1kb of size, to sequence numbering of each section, then to net distribution, is independently treated each section the section of Streaming Media order in the network transport process on an equal basis; Certain netizen is as desiring to watch this Streaming Media, can send request to server earlier, index server instructs them to many calculator memories contiguous or full blast, obtains the section of relevant Streaming Media, be combined into Streaming Media then in order, present picture at last.What stress in particular here is " section " notion and " cutting into slices-distribute-make up-present " program!
In view of the advantage of P2P stream media technology, at the beginning of the end of the year 2005,2006 since, have some domestic and international websites to begin this technology on probation successively, estimate will be widely used very soon.
But, because P2P stream media technology characteristics are to obtain stream from neighbor point, rather than obtain from server uniformly, " special " phenomenon so just occurred: the time that presents picture on the computer of listening to the different netizens that watch same program is different, be that each rating end all has delay, result of the test shows that delay is greatly about about 1-3 minute many times in the industry.Concrete time of delay is all multifactor relevant with network condition, computer configuration etc., can not expect accurate time of delay.This phenomenon has brought technological challenge with the accurate measurement of P2P stream media technology Internet communication effect for audiovisual material.
The main purpose of measuring communication effect is: assessment program quality and attraction advertisement putting; Leading indicator is: the statistics viewer ship, and the index current in field of broadcast televisions is the audience rating audience ratings; Radio and television are measured the major technique means: diary method and machine method, this is two kinds of measurement means using face the widest at present, also is the mainstream technology method that most of medium units and advertising company etc. use.Owing to these methods produce for measurement broadcasting, TV, and in the past in decades, broadcasting, TV all mean anywhere, pass through any listening device, at one time, listening to what watch is the picture much at one of same audiovisual material, and this point also becomes the technology prerequisite of audience rating audience ratings.According to the relevant technologies standard code of China's transmission of television, the delay of whole transport process is very short, in the second level; Audience rating audience rating statistical precision is the highest to be a second level.In view of the present network media remains Newly Sprouted Things, continue to continue to use current communication effect measurement standard-and be unit statistics viewer ship-be the desirable thinking direction that also is inevitable that the network audiovisual material is measured with the second.
A Internet P2P stream media technology system surplus in the of at present popular at home nearly ten does not all have the function of accurate Measurement Network communication effect, and we have also retrieved a large amount of technical literatures both domestic and external and relevant report, think and still do not have effective solution and system so far.The application foundation of P2P stream media technology is the IP agreement, use is propagated audiovisual material based on the network such as the internet ip V6 of future generation of IP agreement, it seems the most rising at present is exactly the P2P stream media technology, and the accurate measurement problem that solves its communication effect has realistic meaning and development prospect.
Summary of the invention
In order to overcome above-mentioned deficiency, the system and method that the purpose of this invention is to provide a kind of accurate measurement of audiovisual material P2P stream media technology Internet communication effect, the problem of accurate Measurement Network communication effect when it can solve audiovisual material by the transmission of P2P stream media technology, can solve the problem that the P2P stream media technology transmits many audient's experience aspect that must occur postponing to lag behind and may cause comprehensively, and then make radio and television mechanism and social organization when the netcast audiovisual material, both reduced input cost significantly, can also obtain simultaneously the accurate measurement of communication effect, strive for more advertisement putting, the improvement that the audient experiences be can also realize, thereby a kind of advanced technology system of brand-new audiovisual material Internet communication and complete method of operation thereof realized.
For finishing above-mentioned purpose, the technical scheme that the present invention takes is:
A kind of accurate measuring systems of transmission effect of P 2 P stream media netwrok for video/audio programs, it comprises:
A Streaming Media access end is responsible for stream medium data is split into the stream medium data sheet that a plurality of P2P system uses, and is called for short section, adds time mark to each section, and then be published to network that it plays the part of the role of video source in the P2P system;
An index server provides the media data locating function, makes each node can know the existence of other nodes, knows needed media data at which node can find;
Plurality of client end, client be with the mode receiving media data of P2P, and therefrom isolate temporal information, provides the equity service for other nodes simultaneously;
Client's rating record server is used to gather client rating record;
A time service center is used for providing precise time to described Streaming Media access end;
Network is used to connect described Streaming Media access end, index server, client, time service center.
In embodiments:
Described Streaming Media access end can be distributed audio-video document, real-time television signal, real-time broadcast singal, real-time live collection in worksite signal;
Described index server is meant that computer, the node that nodal information retrieval is provided of networking withdraw from and one of the computer of entrance management, embedded system, computer cluster;
Described client is meant terminal or other IP address-based online terminals of the networking of computer, set-top box, this class of mobile phone;
Described time service center is meant national time service center, time service center, each place, other provide one of the mechanism of precise time calibration or instrument;
Described network is meant all networks based on the IP agreement of the Internet, this class of local area network (LAN).
A kind of method of using the accurate measurement of the audiovisual material P2P stream media broadcast effect that said system carries out the steps include:
1. the Streaming Media access end obtains the precise time value from the time service center;
2. the Streaming Media access end splits into the stream medium data sheet that the P2P system uses with the stream medium data of audiovisual material, is called for short section, adds time mark to each section, and then is published to network;
3. client obtains the Streaming Media slice of data that has time mark by network from Streaming Media access end or other clients;
4. client was isolated the time mark of each section before the combination section presents picture sound;
5. client is collected the time mark of section and is converted to the accurate record of this client's rating;
6. client's rating record server gathers this accurate record of all clients, thereby the communication effect that realizes this program is accurately measured.
Wherein:
Described step adds that to each section the method for time mark is in 2.: the correct time value that 1. obtains according to step is calculated each section time when splitting earlier, then with in this time information encapsulation influent stream medium slice of data;
3. described step comprises: client obtains other client node information from index server earlier, other client nodes that obtain are screened, some nodes to optimum send the Streaming Media slice of data request of obtaining then, and other node response request begin to transmit data;
4. described step comprises: client is isolated temporal information from the stream medium data sheet that obtains; The stream medium data sheet is combined into the continuous audio/video flow of playing, and client presents audio/video flow;
5. described step comprises: the record client terminal playing begins and the relative time that finishes.
A kind of method of using the listening to of said system Measurement Network audiovisual material/viewer ship the steps include:
1. the Streaming Media access end obtains precise time by network from the time service center;
2. the Streaming Media access end splits into the stream medium data sheet that the P2P system uses with the stream medium data of audiovisual material, be called for short section, calculate each section time when splitting according to the correct time value that 1. step obtains, then with in this time information encapsulation influent stream medium slice of data, promptly add time mark, and then be published to network to each section;
3. client obtains the Streaming Media slice of data that carries time mark through network from Streaming Media access end or other clients;
4. client is isolated the time mark of each section, and the recombinant section presents the picture sound of audiovisual material;
5. client acquisition time mark and be converted to document data record one second was that a unit carries out record with every broadcast;
6. client is at fixedly each time point of duration of being separated by, send the IP address of document data record in blanking time in past and client to client's rating record server, gather all data of being received by it, can obtain over section blanking time and listen to/viewer ship interior each second through calculating.
The present invention has solved problems of the prior art well, has the following advantages:
At first, the present invention proposes brand-new method of measurement, solved to essence the P2P stream media technology and transmitted the technical problem of the accurate measurement of Internet communication effect of audiovisual material.The traditional measurement method principle is to measure the viewer ship of point of concrete time (absolute time is as Beijing time), again according to the corresponding relation of time and program in the program possible table, and the viewer ship of the program that converts back.Because the delay of P2P Streaming Media client can not be expected, thereby can't utilize absolute time uniformity ground to measure.The core of the inventive method is: at first, absolute time is marked in each section of video flowing, this just is equivalent to set up man-to-man corresponding relation between video flowing and the absolute time, when client postpones, no matter how much postpone, writing time mark.What must point out is: when client was noted down, because postpone, " absolute time " on the mark had been transformed into " relative time " or just simply has been understood as " sequence mark of uniqueness " this moment.Then, gather the record of each client, add up, obtain corresponding the viewer ship of each absolute time point according to " sequence mark of uniqueness ".At last, again according on the program broadcasting list, the relation of each program commercial and absolute time converses the accurate measurement that viewer ship is a communication effect of listening to of each program commercial.The key point here is: utilizing absolute time, the first step fully is to utilize the accuracy of absolute time to carry out mark, and second step was to utilize the uniqueness of absolute time to change!
Secondly, on basis of the present invention, can and then carrying out multiple technologies extends, relevant issues as P2P stream media broadcast audiovisual materials such as improving that by fine clock mark the audient experiences, accelerate to realize that this advanced person's streaming media playing system and administration level thereof improve, realize the extensive use of broadband audio frequency and video.
Outstanding being also advantageous in that of the present invention implemented simply.Radio and television mechanism and other mechanisms of society do not need to acquire in addition equipment, do not need to change the current at present statistics audience ratings and the basic skills and the bore of audience rating, just can independently finish measuring system and dispose and promote rapidly.Audient's terminal does not need to increase hardware, only needs relevant software is installed, and can realize that the improvement of experience level promotes.Propagate the mechanism of audiovisual material to using the P2P stream media technology, still can adopt this method that its system is transformed.
Description of drawings
Fig. 1 is system architecture figure of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
See also Fig. 1.The main device that system of the present invention relates to is: Streaming Media access end, index server, client, client's rating record server, time service center.Wherein:
The Streaming Media access end comprises distribution audio-video document, real-time television signal, real-time broadcast singal, real-time live collection in worksite signal etc.;
Index server can be the computer that nodal information retrieval is provided of networking, or node withdraws from the computer with entrance management, or embedded system, or computer cluster etc.;
Client is meant terminal such as computer, set-top box, the mobile phone of networking or other are based on online terminal in IP address etc.;
The time service center comprises and is meant national time service center, or time service center, each place, or other provide the mechanism, instrument of precise time calibration etc.;
All networks based on the IP agreement of the heart channel of Hang-Shaoyin the Internet, this class of local area network (LAN) interconnect in above-mentioned Streaming Media access end, index server, client, the time service.
The method of the accurate measurement of the audiovisual material P2P stream media technology Internet communication effect that the present invention describes is made up of following step:
1., obtain precise time: the Streaming Media access end sends information by network to the time service center, obtains precise time;
2., add time mark to each section: the Streaming Media access end is responsible for the stream medium data of audiovisual material is split as the stream medium data sheet that the P2P system uses, be called for short section, calculate each section time when splitting according to the correct time value that 1. step obtains, then with in this time information encapsulation influent stream medium slice of data, promptly stamp time mark (can claim timestamp), and then be published to network to each section;
3., obtain the Streaming Media section of band time mark: client obtains the Streaming Media slice of data that carries time mark by network from Streaming Media access end or other clients;
4., separate the time mark in the section: client is isolated the time mark of each burst, and the recombinant section presents the picture sound of audiovisual material;
5., acquisition time mark and form record data: client acquisition time mark also is converted to document data record, and the record client terminal playing begins and the relative time that finishes;
6., summary record, obtain the communication effect measurement data of audiovisual material: client's rating record server gathers this record of all clients, thereby accurately measures the communication effect of this program.
According to the accuracy and the uniqueness of time mark, suitably develop, just can be used as to improve and improve the important technology basis that the audient experiences.
This method is by above-mentioned 6 processes, not only can solve the audiovisual material communication effect well and measure problem, and expanded audiovisual material neatly and play the function that is connected cooperation with the other technologies means on the net, realized business innovation, can wait service according to statistics for advertiser, advertiser provide such as the online viewer ship of audiovisual material.In addition, according to the length of delay of client that calculates and Streaming Media access end with as the trigger point of concrete time-event, can improve and improve audient's experience level.
Simultaneously, broadcasting and TV mechanism and audiovisual material website can be according to its professional concrete performances, formulate the related service rule and promote communication effect to measure that statistical quality improves and the audient experiences the raising of level.Business rule mainly comprises the following aspects: the restriction of network video stream media compression code check, live video collection restriction, the interactive delay limit or the like.
What the inventive method was emphasized is above-mentioned 6 processes.When different audiovisual material broadcast units states each step on the implementation, can determine to obtain time service center service manner time calibration method with demand according to specific circumstances, access end computer method of adjustment, the Streaming Media stripping strategy of access end, the form of time mark and method and precision, the method of client acquisition time mark, the accuracy of client translation data record, client data log file tabulate statistics method etc., these contents are specifically considered when implementing by broadcasting and TV mechanism and audiovisual material playback website, not as the description of the invention content.
Introduce the inventive method and application thereof below by the example that communication effect is measured.
Example 1 is measured listening to/viewer ship of the Internet audiovisual material
Use P2P stream media technology playback of audio-visual program on network, inevitable facing to the asynchronous phenomenon that presents, the viewer ship of how accurately to add up each advertisement and program is the problem that all medium units and other mechanisms of society all face.Can take following method:
1. the Streaming Media access end sends information by the Internet to national time service center, obtain the network time service, that is: can at first write down this machine time T 1, send ASCII character character string "＞XXX.XXX.XXX.XXX " to national time service central server, be that flag code "＞" adds Streaming Media access end Computer IP address, after country's time service central server is received, draw time encoding this moment, send to the Streaming Media access end, after the Streaming Media access end is received the time mark sign indicating number "＜" that server sends, write down T2 constantly, solve server time coding T3 subsequently, it is consuming time to ignore server, and the server and the subscriber computer time difference are T3-(T1+T2)/2, the Streaming Media access end can adjust in view of the above access end computer time to national time service center basic simultaneously (also can not adjust access end computer time);
2. the Streaming Media access end is responsible for the stream medium data of audiovisual material is encapsulated as the detachable stream medium data form (section) that the P2P system uses, calculate each section time when splitting according to the rapid correct time value that obtains of previous step, then with in this time information encapsulation influent stream medium slice of data, promptly add time mark (or claiming timestamp), and then be published to the Internet to each section;
3. client obtains the Streaming Media slice of data that carries timestamp through the Internet from Streaming Media access end or other clients;
4. client is isolated the timestamp of each section, and the recombinant section presents the picture sound of audiovisual material;
5. the client acquisition time is stabbed and is converted to document data record, one second is that a unit carries out record with every broadcast, and document data record can be taked following form: only write down for example 09:15:22 of presentative time, or the like; When finishing as presenting picture less than 1 second but greater than 0.5 second be considered as 1 second, this time point that is considered as of 0.5 second of less than was not play; (also can only write down client enters and disengaging time)
6. client is at fixedly each time point of duration of being separated by, as 9: 00,9: 10,9: 20,9: 30 ... wait the fixedly time point of being separated by 10 minutes, send the IP address of document data record in blanking time in past and client to client's rating record server, gather all data of being received by it, through calculating can obtain over blanking time section interior each time mark is pairing listens to/viewer ship.As shown in table 1:
| Time point | Viewer ship |
| …… | ?…… |
| 09:21:31 | ?28005 |
| 09:21:32 | ?28004 |
| 09:21:33 | ?28003 |
| 09:21:34 | ?28002 |
| 09:21:35 | ?28001 |
| …… | ?…… |
Table 1
By transferring the broadcast items list for example as table 2;
| Time started | Concluding time | Duration | Program/advertisement name |
| …… | |||
| 09:21:31 | 09:21:35 | 5 seconds | The Jin Liu Fu Jiu advertisement |
| …… |
Table 2
What the 09:21:31-09:21:35 time period broadcasted is " Jin Liu Fu Jiu advertisement ", the value of all viewer ship additions of this period correspondence, be divided by by duration (5 seconds) again, obtain the average viewer ship of this advertisement, (280005+28004+28003+28002+28001)/5=28003; Change the standard saying of dissemination or advertising media's industry into, the viewer ship that is exactly this advertisement is 28003.The measurement standard that this has met advertising media's industry widespread usage has fully realized the accurate measurement of audiovisual material p2p stream media broadcast effect.
Example 2 is measured listening to/viewer ship of IPV6 mobile phone audiovisual material
The agreement of the Internet is referred to as ICP/IP protocol, now the widely used IP agreement of China be the 4th generation Internet protocol, be called for short IPV4, IPV6 then represent the 6th generation Internet protocol.The fast development of Global Internet has caused the anxiety of IP address resource, and existing Internet protocol IP V4 has exposed deficiency at aspects such as address space, IP connection end to end, service quality, network security and mobility.And IPV6 has the address space from the 32BIT address extension of IPV4 to enough broadnesses of 128BIT.IPV6 can satisfy safety, quality and the ambulant requirement of the communication network of voice of future generation, data, video fusion to network.The IPV6 mobile phone uses P2P stream media technology playback of audio-visual program, and is inevitable facing to the asynchronous phenomenon that presents, and for accurately adding up the viewer ship of each advertisement and program, can take following method:
1. the Streaming Media access end of audiovisual material sends information by IPV6 to national time service center, obtain the network time service, that is: can at first write down this machine time T 1, send ASCII character character string "＞XXX.XXX.XXX.XXX " to national time service central server, be that flag code "＞" adds Streaming Media access end Computer IP address, after country's time service central server is received, draw time encoding this moment, send to the Streaming Media access end, after the Streaming Media access end is received the time mark sign indicating number "＜" that server sends, write down T2 constantly, solve server time coding T3 subsequently, it is consuming time to ignore server, and the server and the subscriber computer time difference are T3-(T1+T2)/2, the Streaming Media access end can adjust in view of the above access end computer time to the basic while of national time service center;
2. the Streaming Media access end is responsible for the stream medium data of audiovisual material is encapsulated as the detachable stream medium data form (section) that the P2P system uses, and stamping time mark in each section is timestamp, and then is published to the IPV6 network;
3.IPV6 mobile phone is obtained the Streaming Media slice of data that carries time mark through network from Streaming Media access end or other clients;
4.IPV6 mobile phone is isolated the timestamp of each burst, the recombinant section presents the picture sound of audiovisual material;
5.IPV6 the mobile phone acquisition time is stabbed and is converted to document data record, one second is that a unit carries out record with every broadcast, document data record can be taked following form: only write down for example 09:15:22 of presentative time, or the like; When finishing as presenting picture less than 1 second but greater than 0.5 second be considered as 1 second, this time point that is considered as of 0.5 second of less than was not play;
6.IPV6 mobile phone can be at fixedly each time point of duration of being separated by, as 9: 15,9: 30,9: 45 ... wait the fixedly time point of being separated by 15 minutes, send the IP address of document data record in blanking time in past and client to client's rating record server, gather all data of being received by it, can obtain over section blanking time and listen to/viewer ship interior each second through calculating.
Foundation as above method statistic is listened to/viewer ship, automatically convenient, cost is low, efficient is high, and be that unit is consistent with the main Statistical Criteria of listening to audience ratings of existing radio and television-with the second, be convenient to advertising company, the advertiser uses this result and weighs communication effect, instructs first phase advertisement putting strategy down; Simultaneously, owing to identical metering bore is arranged, will help carrying out the comparative study of broadcasting and TV medium and network media input effect with existing radio and television audience investigation result.
Claims (5)
1. the accurate measuring systems of a transmission effect of P 2 P stream media netwrok for video/audio programs is characterized in that it comprises:
A Streaming Media access end is responsible for stream medium data is split into the stream medium data sheet that a plurality of P2P system uses, and is called for short section, adds time mark to each section, and then be published to network that it plays the part of the role of video source in the P2P system:
An index server provides the media data locating function, makes each node can know the existence of other nodes, knows needed media data at which node can find;
Plurality of client end, client be with the mode receiving media data of P2P, and therefrom isolate temporal information, provides the equity service for other nodes simultaneously;
Client's rating record server is used to gather client rating record;
A time service center is used for providing precise time to described Streaming Media access end;
Network is used to connect described Streaming Media access end, index server, client, time service center.
2. the accurate measuring systems of transmission effect of P 2 P stream media netwrok for video/audio programs as claimed in claim 1 is characterized in that:
Described Streaming Media access end can be distributed audio-video document, real-time television signal, real-time broadcast singal, real-time live collection in worksite signal;
Described index server is meant that computer, the node that nodal information retrieval is provided of networking withdraw from and one of the computer of entrance management, embedded system, computer cluster;
Described client comprises terminal or other IP address-based online terminals of the networking that is meant computer, set-top box, this class of mobile phone;
Described time service center is meant national time service center, time service center, each place, other provide one of the mechanism of precise time calibration or instrument;
Described network is meant all networks based on the IP agreement of the Internet, this class of local area network (LAN).
3. a method of using the accurate measurement of the audiovisual material P2P stream media broadcast effect that claim 1 or 2 described systems carry out the steps include:
1. the Streaming Media access end obtains the precise time value from the time service center;
2. the Streaming Media access end splits into the stream medium data sheet that the P2P system uses with the stream medium data of audiovisual material, is called for short section, adds time mark to each section, and then is published to network;
3. client obtains the Streaming Media slice of data that has time mark by network from Streaming Media access end or other clients;
4. client was isolated the time mark of each section before the combination section presents picture sound;
5. client is collected the time mark of section and is converted to the accurate record of this client's rating;
6. this accurate record that gathers all clients, thus the communication effect that realizes this program is accurately measured.
4. the method for the accurate measurement of audiovisual material P2P stream media broadcast effect as claimed in claim 3 is characterized in that:
Described step adds that to each section the method for time mark is in 2.: the correct time value that 1. obtains according to step is calculated each section time when splitting earlier, then with in this time information encapsulation influent stream medium slice of data;
3. described step comprises: client obtains other client node information from index server earlier, other client nodes that obtain are screened, some nodes to optimum send the Streaming Media slice of data request of obtaining then, and other node response request begin to transmit data;
4. described step comprises: client is isolated temporal information from the stream medium data sheet that obtains; The stream medium data sheet is combined into the continuous audio/video flow of playing, and client presents audio/video flow;
5. described step comprises: the record client terminal playing begins and the relative time that finishes.
5. a method of using the listening to of claim 1 or 2 described systematic survey network audiovisual materials/viewer ship the steps include:
1. the Streaming Media access end obtains precise time by network from the time service center;
2. the Streaming Media access end splits into the stream medium data sheet that the P2P system uses with the stream medium data of audiovisual material, be called for short section, calculate each section time when splitting according to the correct time value that 1. step obtains, then with in this time information encapsulation influent stream medium slice of data, promptly add time mark, and then be published to network to each section;
3. client obtains the Streaming Media slice of data that carries time mark through network from Streaming Media access end or other clients;
4. client is isolated the time mark of each section, and the recombinant section presents the picture sound of audiovisual material;
5. client acquisition time mark and be converted to document data record one second was that a unit carries out record with every broadcast;
6. client is at fixedly each time point of duration of being separated by, send the IP address of document data record in blanking time in past and client to client's rating record server, gather all data of being received by it, can obtain over section blanking time and listen to/viewer ship interior each second through calculating.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200610089363 CN101094107A (en) | 2006-06-21 | 2006-06-21 | System and method for accurate measuring transmission effect of P2P stream media netwrok for video / audio programs |
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|---|---|---|---|
| CN 200610089363 CN101094107A (en) | 2006-06-21 | 2006-06-21 | System and method for accurate measuring transmission effect of P2P stream media netwrok for video / audio programs |
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| Publication Number | Publication Date |
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| CN101094107A true CN101094107A (en) | 2007-12-26 |
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| WO2010083736A1 (en) * | 2009-01-20 | 2010-07-29 | 深圳市同洲电子股份有限公司 | Program content processing method、system and device |
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| CN101521553B (en) * | 2008-02-29 | 2011-08-03 | 突触计算机系统（上海）有限公司 | Method which is based on terminal equipment of point-to-point transmission protocol and used for providing data fragment of data file for other peer terminal equipment and device thereof |
| CN101304381B (en) * | 2008-07-03 | 2011-08-31 | 中国移动通信集团设计院有限公司 | Method, system and apparatus for transmitting files of P2P network |
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| CN104581435A (en) * | 2015-01-20 | 2015-04-29 | 赵树乔 | Naming method of data stream |
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| CN107135216A (en) * | 2017-05-03 | 2017-09-05 | 深圳市视维科技股份有限公司 | One kind strengthens weak net environment flow-medium transmission method |
| CN107135216B (en) * | 2017-05-03 | 2020-12-04 | 深圳市小溪流科技有限公司 | Method for enhancing streaming media transmission in weak network environment |
| WO2018232798A1 (en) * | 2017-06-19 | 2018-12-27 | 网宿科技股份有限公司 | Live broadcast system in peer-to-peer network and node management method |
| CN107277013A (en) * | 2017-06-19 | 2017-10-20 | 网宿科技股份有限公司 | Live broadcast system and node administration method in peer-to-peer network |
| CN107277134A (en) * | 2017-06-19 | 2017-10-20 | 网宿科技股份有限公司 | A kind of data transmission method and system based on peer-to-peer network |
| CN107277134B (en) * | 2017-06-19 | 2020-08-04 | 网宿科技股份有限公司 | Data transmission method and system based on peer-to-peer network |
| CN110290206A (en) * | 2019-06-26 | 2019-09-27 | 万物共算(成都)科技有限责任公司 | A kind of distributed computing system and method for cafe environment |
| CN110290206B (en) * | 2019-06-26 | 2021-12-03 | 万物共算(成都)科技有限责任公司 | Distributed computing system and method for internet bar environment |
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