CN1362809A - Data transmission method and equipment based on network - Google Patents
Data transmission method and equipment based on network Download PDFInfo
- Publication number
- CN1362809A CN1362809A CN 01108034 CN01108034A CN1362809A CN 1362809 A CN1362809 A CN 1362809A CN 01108034 CN01108034 CN 01108034 CN 01108034 A CN01108034 A CN 01108034A CN 1362809 A CN1362809 A CN 1362809A
- Authority
- CN
- China
- Prior art keywords
- file
- data
- network
- packet
- transmission method
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The data transmission method based on network includes: (1) decomposing transferred data file into file fragments and making identification, at the same time producing file index list; (2) transmitting all the file fragments according to radom sequence by means of network and adopting data broadcasting mode, (3) receiving device, for receiving and storing file fragments; (4) authorized user can utilize network to obtain file index list; and (4) according to file index list restoring data file for use. Its equipment includes data transmitting device, data transferring device, receiving device and application device.
Description
The present invention relates to a kind of method and equipment thereof that utilizes the network transmission data file, particularly a kind of transmission and method of encrypting and equipment thereof of realizing multimedia data file with broadcast mode.
High speed development along with the Internet, people utilize the network transmission data file, particularly the needs of jumbo multimedia data file just constantly increase, for example, the exploitation of TV performance-choosing and broadcasting system (VOD system), make the user can freely select the program of playing, satisfied the diversified demand of people.Yet, what adopt for multimedia data file at present is the stream data transmission, promptly multimedia data file is transmitted in order, in transmission course, the data file is compressed, processing such as encryption, then correspondingly decompress at receiving terminal, processing such as deciphering are also play simultaneously and are watched, this mode can realize that in theory instant program request watches, but, for multimedia data file, very high to the requirement of bandwidth on the one hand, even the VCD transmitted data amount of low definition is at least also wanted 1.5Mbps, to realize real video on demand with existing VOD technology, in fact repetitive propagation video data on network, very valuable Internet resources have been taken, and along with user's rapid growth, the transmission speed of the Internet has been subjected to great challenge, even there is the people to say jokingly that WWW is " World Wide Wait " (is all waiting in the whole world), present network need drop into a large amount of funds and transform, could realize the VOD system, other occasion of using multimedia data file transmission or large-capacity data transmission also is faced with same problem; Simultaneously, realize interactive Video-On-Demand, the user also will have the operational capacity to program, functions such as time-out, F.F., rewind down for example, under the situation for a large number of users service, video server has been proposed high requirement at the same time, the technical difficulty of its realization and cost are all very high; Moreover the method for present this order transfer file data can only adopt fixing encryption method usually, and is single to user's authorization as the method for hardware scrambling, descrambling, is difficult to adapt to the object and the application of different levels.
The object of the invention provides a kind of method and implement device thereof that utilizes the transmitted data on network file, can carry out encryption, the reorganization of different modes to the data file of transmission easily, with object and the application that adapts to different levels.
For achieving the above object, the technical solution used in the present invention is: a kind of based on network data transmission method, described transfer of data comprises following steps, and (1) resolves into the more than one file fragmentation line identifier of going forward side by side with a data file to be transmitted, simultaneously the spanned file concordance list; (2) dispensing device sends each file fragmentation by random sequence by network using data broadcasting mode; (3) receiving system receives and the storage file fragment; (4) authorized user obtains the file index table by network; (5) according to file index table restored data file for use.
In the technique scheme, described " network " is meant the link that is applicable to transfer file data, as wired TV network, local area network (LAN), Internet etc.
In the technique scheme, can be before sending file fragmentation, described file fragmentation is packaged into packet, include one or more file fragmentation in each packet, include Data Receiving instruction in the packet, user's set receives behind the described packet according to Data Receiving instruction storage file fragment; And can carry out encryption to described file fragmentation or packet.
In the technique scheme, described file index table can be edited according to different needs.
In the technique scheme, can add out of Memory by one or more described file index tables and constitute usage license file, authorized user obtains usage license file with the data reconstruction file by network; File fragmentation and usage license file both can transmit in same network system, also can utilize different network systems to transmit; Described out of Memory is meant copyright information, rights of using information or other operation parameters; Described usage license file can send after encrypting.
The employed equipment of a kind of above-mentioned based on network data transmission method, comprise data sending device, data communication system, data sink and data application apparatus, described data sending device is finished decomposition, sign, the generation of file index table and the transmission of packet of data file; Described data communication system is the common network system; Described data sink receives the packet that transmits, and carries out classified and stored according to the reception instruction that dispensing device sends; Described data application apparatus restores file fragmentation according to the file index table that receives and uses for the user.
Operation principle of the present invention is: the present invention is used for by the various data files of Network Transmission, be specially adapted to the transmission of multimedia data files such as video display, music, voice, equipment used in the present invention comprises data sending device, data communication system, data sink and data application apparatus, these devices can use separately, application system of one-tenth also capable of being combined.
The dispensing device of design is used to send data file according to the present invention, before sending data file, this device resolves into several file fragmentations with a data file, the quantity of these file fragmentations can be from 1 to 65535, any one file fragmentation only comprises one section code in the data file that is decomposed, these codes can be complete contents fragments, also may be incomplete contents fragments; Dispensing device is put on different identification for each file fragmentation automatically, in order to distinguish different file fragmentations; When decomposing file, both can decompose according to certain file size, also can decompose according to the particular content in the data file; Any one is considered to suitable file decomposition method, can both be applicable in the present technique; Whole decomposable process is by complete and detailed being recorded on the file index table, indicates the publisher, issuing time, issue place, file fragmentation quantity, the sign of file fragmentation, correct permutation and combination sequential scheduling important information of this data file; Dispensing device mails to subscriber management server with the complete file concordance list to be preserved; Dispensing device is upset correctly putting in order of file fragmentation, again be packaged into one or more packets, and in packet, insert Data Receiving and instruct, these receive information such as indicating the file name that is transmitted data, name set, file size, the reception entire data files that the guide data receiving system is correct, complete, and the file fragmentation that will be mutually related is archived in the same file set; These receive instruction and only indicate how to receive data, but do not illustrate how to make up these file fragmentations; Packet after dispensing device will be packed sends on the public the Internet, receive for receiving system, public the Internet can be any data transmission link of forming with optical fiber, cable, wireless network etc., packet sends and carries out in the mode of Web broadcast, promptly once send, can allow receiving system more than one, that do not limit quantity receive data simultaneously, any suitable receiving system can receive these packets by public the Internet.
Receiving system according to present technique invention design, be responsible for being received in data or the packet propagated on the public the Internet, and according to the instruction of the reception in the packet, the packet that receives is checked, sorted out and stores, mutual related file fragmentation is archived in the same file set; In the file fragmentation that receives, though comprise the total data code that is transmitted file, but these data codes still are in a kind of scattered, chaotic state, before without correct combination, can not correctly give expression to the full content of data file, be that anyone can obtain these file fragmentations from public the Internet, but can't obtain the expressed correct content of these file fragmentations; In order to obtain the expressed correct content of these files, the user need download usage license file to the subscriber management server application by public the Internet, usage license file is a data file, comprise one or more complete file concordance lists and copyright protection information, descriptive information etc., copyright protection information has been made certain qualification to duplicating and moving of file index table, as operation such as forbids perhaps can duplicating, moving the file index table; The perhaps life cycle of specified document concordance list in receiving system, as specified document concordance list effective storage life after download be one month or effectively access times be three inferior; Descriptive information provides the approach of information such as an issue statement, bulletin for supplier, its particular content determines by supplier, can add also can not add, and these technology make the copyright of data file be effectively protected.
Usage license file is issued through after the encryption, domestic consumer haves no right to read and revise any content wherein, the granting of usage license file is a point-to-point file delivery procedure, and every part of usage license file only sends to same person-time, be that the usage license file that the different user application obtains is inequality, and the usage license file that same user obtains in the different time application also is inequality, subscriber management server is that the service supplier is used for device that the user is managed, this device is connected on the public the Internet, usage license file is provided in request according to the user, and the process user registration, affairs such as paying.
According to the application apparatus of present technique invention design, can be with data file or correct the combining of file fragmentation that received, that disperse, messy, and with the content that is comprised in the data file, express in the receptible mode of user; Application apparatus is understood the usage license file of legal download, obtains the file index table; Information according to the file index table, video content in the extraction document fragment converts picture signal to, audio content in the extraction document fragment converts voice signal to, document content in the extraction document fragment is combined into general document format, and the program code in the extraction document fragment is spliced into application program; And the information that obtains or content delivered in the application corresponding equipment handle, offer the user so that video display, image, sound, document, application program etc. are multi-form.
After using method provided by the invention, can edit the file index table at transmitting terminal, operation such as combination, only need or multinomial index content in simple increase or the deleted file concordance list, can be with the multimedia file more than two or two, compile one or more data files, thereby change function, content, the playing sequence of legacy data file, this change is irrelevant with function, content, the playing sequence of legacy data file; This method can make the incoherent media file more than two or two be combined into a media file, and new media file will be by new built-up sequence combination, broadcast, the possibility of combination so just is provided for the media file of different-format, can be when movie, HTML, XML document superpose on tv screen, hypertext link is provided, can in the middle of playing, inserts the computer animation advertisement; Or the like.
When being used for information or video on demand, can be when night or network be idle, utilize cable TV network or other broadband networks to send data with broadcast mode, the user specifies the information of wishing reception in advance, and receiving system arrives local hard drive with these information stores automatically; The user obtains user's license file by the internet, and application apparatus utilizes license file that the information that receives is reassembled into data file, the user can be at any time in these information of this accessing or watch the video frequency program of program request; Transmit leg is by to the editor of the file index table in the license file, can realize easily news combination, advertising message function such as intercut, also can select data are encrypted, and data such as advertisement, notice are sent in the mode of not encrypting.
Because the utilization of technique scheme, the present invention compared with prior art has following advantage:
1, because the present invention transmits in data, in the receiving course, a complete data file is broken down into numerous file fragmentations, form that content is inter-related, the data acquisition system of lack of alignment, thereby for unwarranted user, it also is very difficult that fragment file conversion in the above-mentioned data acquisition system is become complete data file, and this " decomposition-combination " method of can thinking is a kind of convenience, effective encryption method.
2, the present invention adopts usage license file to subscriber authorisation, different with single, fixing encryption method such as common hardware scrambling, descrambling, the present invention provides mandate by sending the cipher authentication data method, and these cipher authentication deposit data are in usage license file; This authorization method not only changes easily, upgrades, and can also use dissimilar encryption technologies simultaneously, is applicable to the object and the application of different levels.
3, because the realization of above-mentioned file encrypting method, adopt the data file of this method to send by broadcast mode, and the existing point-to-point mode of unnecessary usefulness, thereby realize once sending, the multi-user receives, reduced the repeating data transmission on the network, reduced requirement the network bandwidth and system equipment.
4, the use of file index table, making only needs the file index table is done simple editor, just can be easily together with a plurality of data of different types file editors, form the multimedia data file that can comprise media elements such as video display, music, html document, computer animation, and do not need original data file is updated.
Accompanying drawing 1 is the principle schematic of the embodiment of the invention one;
Accompanying drawing 2 is the schematic diagram of file concordance list in the embodiment of the invention one.
Accompanying drawing 3 is the schematic diagram of the embodiment of the invention one packet.
Accompanying drawing 4 is the schematic diagram of the embodiment of the invention one usage license file.
Below in conjunction with drawings and Examples the present invention is further described:
Embodiment one: referring to accompanying drawing 1 to shown in Figure 4, a kind of based on network data transmission method, may further comprise the steps, (1) a multimedia data file File (1.2Gbit) to be transmitted is resolved into 1299 file fragmentations (length of each file fragmentation is about 1.0Mbit), and be unduplicated filename of each fragment file identification, the relevant data acquisition system (File data) of the synthetic content of all these fragment file group; Automatically write down complete decomposable process simultaneously, form a file index table, this document concordance list is used to write down the title of each fragment file and puts in order accordingly, this document concordance list also comprises a number and it is said prescribed paper (Information), the relevant information of data recording multimedia data file, these information are provided by the supplier of media data or make; (2) dispensing device extracts a fragment file in the data set by random sequence, and adds Network Transmission information, forms the packet that is adapted at transmitting on the network, sends with broadcast mode by network; The fragment file conversion is become packet, is to transmit data in order to adapt on different networks; (3) at user side, the file fragmentation that the receiving system automatic reception is propagated on network, and data classification to receiving, according to the transmission information in the packet, with content associated documents fragment store (File data) in same data acquisition system, and the file fragmentation that content is different is stored in other different data acquisition system; (4) independent user administrative centers (WEB website) are in charge of user's application and mandate, and the registered user can be by network application usage license file, and therefrom obtains the file index table; (5) user's set becomes data file (File) for use the fragment file reset according to the original record of file index table.
Wherein, before sending packet, can carry out encryption to described file fragmentation or packet with conventional encryption method as required.
On the other hand, usage license file is sent to user side by point-to-point mode (as the internet) after encrypting, the content format of usage license file as shown in Figure 4, have only the user who has authorized from usage license file, to obtain index file, copyright statement is wherein made by media provider and is provided, the authority explanation is meant the restricted explanation of user when using media file, and concrete restrictive clause is determined by media provider.User end apparatus will show copyright statement automatically, obtain authority explanation and strictness automatically and carry out by the authority clause.
On the other hand, can be implemented in other media contents such as inserting image, sound, computer animation, hypertext link in the media file by the interior perhaps order in the editing files concordance list.Edit methods is included in and inserts or delete certain fragment file in the file index table arbitrarily, or adjust putting in order of fragment file, above-mentioned putting in order can be playing sequence (with complete inclusive segment ordering), time sequencing (with time-sequencing), sequence of positions (with the frame ordering) etc.
Realize the equipment that above-mentioned based on network data transmission method uses, comprise data sending device, data communication system, data sink and data application apparatus, as shown in Figure 1, data sending device is finished decomposition, sign, the generation of file index table and the transmission of packet of data file; Data communication system is that the common network system is in order to transmit convenient and the needs of maintaining secrecy, can use two kinds of different data communication systems simultaneously, as adopt cable TV network with the broadcast mode transfer file data, adopt Internet to transmit file index table or usage license file in point-to-point mode; Data sink receives the packet that transmits, and carries out classified and stored according to the reception instruction that dispensing device sends; The data application apparatus restores file fragmentation according to the file index table that receives and uses for the user.
Claims (10)
1, a kind of based on network data transmission method, it is characterized in that: described transfer of data comprises following steps, (1) resolves into the more than one file fragmentation line identifier of going forward side by side with a data file to be transmitted, simultaneously the spanned file concordance list; (2) dispensing device sends each file fragmentation by random sequence by network using data broadcasting mode; (3) receiving system receives and the storage file fragment; (4) authorized user obtains the file index table by network; (5) according to file index table restored data file for use.
2, data transmission method according to claim 1, it is characterized in that: before sending file fragmentation, described file fragmentation is packaged into packet, include one or more file fragmentation in each packet, include Data Receiving instruction in the packet, user's set receives behind the described packet according to Data Receiving instruction storage file fragment.
3, data transmission method according to claim 2 is characterized in that: can carry out encryption to described file fragmentation or packet.
4, data transmission method according to claim 1 is characterized in that: described file index table can be edited according to different needs.
5, data transmission method according to claim 1 is characterized in that: add out of Memory by one or more described file index tables and constitute usage license file, authorized user obtains usage license file with the data reconstruction file by network.
6, data transmission method according to claim 1 or 5, it is characterized in that: file fragmentation and usage license file both can transmit in same network system, also can utilize different network systems to transmit.
7, data transmission method according to claim 5 is characterized in that: described out of Memory is meant copyright information, rights of using information or other operation parameters.
8, according to claim 5 or 7 described data transmission methods, it is characterized in that: described usage license file sends after encrypting.
9, a kind of equipment of based on network data transmission method use, comprise data sending device, data communication system, data sink and data application apparatus, it is characterized in that: described data sending device is finished decomposition, sign, the generation of file index table and the transmission of packet of data file; Described data communication system is the common network system; Described data sink receives the packet that transmits, and carries out classified and stored according to the reception instruction that dispensing device sends; Described data application apparatus restores file fragmentation according to the file index table that receives and uses for the user.
10, equipment according to claim 9, it is characterized in that: can use two kinds of different data communication systems simultaneously, as adopt cable TV network with the broadcast mode transfer file data, adopt Internet to transmit file index table or usage license file in point-to-point mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108034 CN1362809A (en) | 2001-01-08 | 2001-01-08 | Data transmission method and equipment based on network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01108034 CN1362809A (en) | 2001-01-08 | 2001-01-08 | Data transmission method and equipment based on network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1362809A true CN1362809A (en) | 2002-08-07 |
Family
ID=4656924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01108034 Pending CN1362809A (en) | 2001-01-08 | 2001-01-08 | Data transmission method and equipment based on network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1362809A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102884504A (en) * | 2010-05-13 | 2013-01-16 | 索尼公司 | Distributed network backup of multimedia files |
| CN106714092A (en) * | 2017-02-13 | 2017-05-24 | 惠州Tcl移动通信有限公司 | Mobile terminal-based WIFI data processing method and system |
| CN112597234A (en) * | 2020-12-29 | 2021-04-02 | 拉卡拉支付股份有限公司 | Data transmission method, data transmission device, electronic device, storage medium, and program product |
| CN113452621A (en) * | 2021-06-11 | 2021-09-28 | 北京连山科技股份有限公司 | Simple and efficient multilink data deduplication method |
| CN115277684A (en) * | 2022-09-29 | 2022-11-01 | 安徽华云安科技有限公司 | File transmission method, device, equipment and storage medium |
-
2001
- 2001-01-08 CN CN 01108034 patent/CN1362809A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102884504A (en) * | 2010-05-13 | 2013-01-16 | 索尼公司 | Distributed network backup of multimedia files |
| CN106714092A (en) * | 2017-02-13 | 2017-05-24 | 惠州Tcl移动通信有限公司 | Mobile terminal-based WIFI data processing method and system |
| CN112597234A (en) * | 2020-12-29 | 2021-04-02 | 拉卡拉支付股份有限公司 | Data transmission method, data transmission device, electronic device, storage medium, and program product |
| CN113452621A (en) * | 2021-06-11 | 2021-09-28 | 北京连山科技股份有限公司 | Simple and efficient multilink data deduplication method |
| CN115277684A (en) * | 2022-09-29 | 2022-11-01 | 安徽华云安科技有限公司 | File transmission method, device, equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU643828B2 (en) | Interactive home information system | |
| US5093718A (en) | Interactive home information system | |
| US5361091A (en) | Interactive home information system for distributing video picture information to television viewers over a fiber optic telephone system | |
| US5319455A (en) | System for distributing customized commercials to television viewers | |
| US7447907B2 (en) | Method and system for data delivery and reproduction | |
| KR100560865B1 (en) | Method and system for broadcast transmission of media objects | |
| US5404505A (en) | System for scheduling transmission of indexed and requested database tiers on demand at varying repetition rates | |
| AU761408B2 (en) | Verification apparatus, verification method, verification system, and storage medium | |
| CA2199360C (en) | Method and apparatus for electronic distribution of digital multi-media information | |
| CA2242626C (en) | Dynamic modification of multimedia content | |
| CN101278560B (en) | Systems and methods for managing local storage of on-demand content | |
| CN108702538B (en) | Method and apparatus for virtual online video channels | |
| EP1024661A2 (en) | Pictographic electronic program guide | |
| US8789117B2 (en) | Content library | |
| US20030026424A1 (en) | System, method and computer program product for delivery and utilization of content over a communications medium | |
| US20080263607A1 (en) | Downloading and Transfer of Audio or Video Data from Video Broadcasts | |
| KR101705010B1 (en) | Processing recordable content in a stream | |
| WO2002062009A1 (en) | Efficient interactive tv | |
| CN1428046A (en) | Personal versatile recorder and method of implementing and using same | |
| CN101094400A (en) | Method of creation of multimedia contents for mobile terminals, computer program product for the implementation of such a method | |
| CN1643873B (en) | Device for secure transmission, recording and visualisation of audiovisual programmes | |
| CN100571315C (en) | A kind of transmission method of electronic business guide table metadata | |
| CN1378744A (en) | System and method for securing on-demand delivery of pre-encrypted content using ECM suppression | |
| CN101656688A (en) | Method, system and device for displaying instant messages | |
| CN1362809A (en) | Data transmission method and equipment based on network |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |