CN110418206A - A kind of playback system of digital content - Google Patents
A kind of playback system of digital content Download PDFInfo
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- CN110418206A CN110418206A CN201910642668.9A CN201910642668A CN110418206A CN 110418206 A CN110418206 A CN 110418206A CN 201910642668 A CN201910642668 A CN 201910642668A CN 110418206 A CN110418206 A CN 110418206A
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- 238000004891 communication Methods 0.000 claims description 33
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- 238000003786 synthesis reaction Methods 0.000 claims description 12
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/23—Processing of content or additional data; Elementary server operations; Server middleware
- H04N21/234—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs
- H04N21/2343—Processing of video elementary streams, e.g. splicing of video streams or manipulating encoded video stream scene graphs involving reformatting operations of video signals for distribution or compliance with end-user requests or end-user device requirements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/47—End-user applications
- H04N21/472—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content
- H04N21/47217—End-user interface for requesting content, additional data or services; End-user interface for interacting with content, e.g. for content reservation or setting reminders, for requesting event notification, for manipulating displayed content for controlling playback functions for recorded or on-demand content, e.g. using progress bars, mode or play-point indicators or bookmarks
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Abstract
The present invention provides a kind of playback system of digital content, network side server, digital content obtain module, the automatic digital content obtained on network is transmitted to main control module；Main control module transmits digital content to display terminal；Display terminal shows the digital content of transmission to user；User terminal transmits the relevant information of digital content interested to user to network side server；The memory module of network side server, the digital content that main control module is transmitted to display terminal store；Characteristic extracting module, extract memory module in digital content characteristic information, and by characteristic information to aspect ratio to module transfer；Feature comparison module, when the relevant information for the digital content that characteristic information and the user terminal of characteristic extracting module transmission transmit is compared consistent, by digital content corresponding in memory module to main control module transmission；Main control module shows the digital content received to display terminal transmission.
Description
Technical field
The present invention relates to technical field of information processing, in particular to a kind of playback system of digital content.
Background technique
With the continuous development of science and technology and information industry, so that people are more convenient for the acquisition of digital content.
But people are substantially through web crawlers/network robot in the number on network the acquisition of data content at present
Hold crawl to be played in real time, when people think to watch the digital content played again, can not but realize to number
The acquisition of content.
Therefore, it is badly in need of a kind of playback system of digital content.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of playback system of digital content, to realize according to user
Playback of the demand to digital content.
A kind of playback system of digital content, network side server, display terminal and use are provided in the embodiment of the present invention
Family terminal；Wherein,
The network side server, including digital content obtain module, main control module and wireless communication module；
The digital content obtains module, for obtaining the digital content on network automatically, and by the digital content to
The main control module transmission；The main control module, for showing the digital content to described by the wireless communication module
Show terminal transmission；
The display terminal, the digital content for receiving the network side server transmission are shown to user
Show；
The user terminal will be interested to user for the digital content that user shows according to the display terminal
The relevant information of the digital content is transmitted to the network side server；
The network side server further includes memory module, characteristic extracting module and feature comparison module；
The memory module, the digital content storage for transmitting the main control module to the display terminal；
The characteristic extracting module, for extracting the characteristic information of the digital content in the memory module, and by the feature
Information is to the aspect ratio to module transfer；The feature comparison module, described in transmitting the characteristic extracting module
Characteristic information is compared with the relevant information for the digital content that the user terminal transmits, when the alignment is identical, by institute
It states in memory module and is passed with the digital content corresponding to the consistent characteristic information of the relevant information to the main control module
It is defeated；
The main control module, for the digital content of the aspect ratio to module transfer to be passed through the wireless communication
Module is shown to display terminal transmission.
In one embodiment, the feature comparison module of the network side server, is also used to the feature extraction
When the relevant information of the characteristic information of module transfer and the digital content of user terminal transmission compares inconsistent,
To the main control module transfer ratio to failure information；
The main control module will when being also used to receive the comparison failure information of the aspect ratio to module transfer
The comparison failure information is transmitted by the wireless communication module to the user terminal；
The user terminal further includes control module and display module；
The control module, for the comparison failure information of network side server transmission will to be received to the display
Module transfer is shown to user.
In one embodiment, the wireless communication module, including bluetooth communication, WiFi communication module and 4G are logical
Believe one of module or a variety of；
The display terminal, including electronic display or LED display.
In one embodiment, the user terminal further includes input module；
The input module inputs the relevant information of the digital content interested to user itself for user,
And the relevant information of the digital content is transmitted to the control module；
The control module further includes participle unit, filter element and synthesis unit；
The participle unit, for being divided according to the semanteme and punctuation mark of the relevant information the relevant information
Word handles and transmits acquired multiple phrases to the filter element；
The filter element, the multiple phrase and preset filtering phrase data for transmitting the participle unit
Library is compared, and when the phrase is identical as the information comparison in the filtering phrase database, the phrase is deleted, and
Filtered phrase is transmitted to the synthesis unit；
The synthesis unit, for filtered multiple phrases to be combined, the correlation after generating filtration treatment
Information, and the relevant information is transmitted to the control module；
The control module, for transmitting the relevant information to the network side server.
In one embodiment, one of described input module, including keyboard, touch display screen and microphone are more
Kind；
The user terminal, including a kind of in smart phone, PC or palm PC with communication function or
It is a variety of.
In one embodiment, the control module of the user terminal is also used to receive the number of user's input
When the relevant information of content, the acquisition information of the identifier number of display terminal is transmitted to user by the display module；
The input module is also used to the acquisition letter of the identifier number of the display terminal according to the display module
The identifier number of the display terminal is inputted, and the identifier number of the display terminal is transmitted to the control module by breath；
The control module transmits the identifier number of the display terminal and the relevant information to the network side server；
The main control module of the network side server, in the memory module for obtaining the feature comparison module
With the digital content corresponding to the consistent characteristic information of the relevant information by the wireless communication module to the use
The corresponding display terminal transmission of the identifier number of the display terminal of family terminal transmission is shown.
In one embodiment, the memory module further includes tag recognition unit and storage unit；
The tag recognition unit, the digital content for transmitting from the main control module to the display terminal into
Row identification, obtains the corresponding type information of the digital content, and using the type information as the mark of the digital content
Sign information；
It include multiple file storage areas in the memory module；The storage unit, for by the digital content
Label information is compared with the name information of the file storage area, when the label information and the file of the digital content
When the name information of memory block is identical, the digital content is stored in file identical with the label information of the digital content
In the file storage area corresponding to the name information of memory block.
In one embodiment, the type information of the digital content, including science and education category information, economic category information, military affairs
One of category information, sport category information, economic category information and literature and art category information are a variety of；
The file storage area includes corresponding science and education category information memory block, economy class information storage area, military class letter
Cease one of memory block, sport category information storage area, economy class information storage area and literature and art category information memory block or a variety of.
In one embodiment, the digital content obtains module, and the digital content is being passed to the main control module
In defeated, need to control the quantity in the main control module for the virtual machine of digital content transmissions, so that the digital content exists
When transmission, the bandwidth availability ratio of the virtual machine for the digital content transmissions reaches desired effects, and memory delay control
System within a certain period of time, the main control module can maximum energy saving, wherein controlling the specific of the main control module
Shown in steps are as follows:
Step S1101, the virtual machine quantity for digital content transmissions idle in the main control module is obtained, with
And the total amount for the digital content for needing to transmit；
Step S1102, the performance of the memory of acquisition, and calculate this described digital content using formula (1) and obtain module
When by the digital content transmissions to the main control module, the bandwidth usage of the virtual machine for the digital content transmissions
Rate:
Wherein, η is the bandwidth availability ratio of the virtual machine for the digital content transmissions, and TP is that the optimal of memory is handled up
Amount, f are the working frequency of memory, and b is the bus bit wide of memory, and λ is memory coefficient, if interior save as DDR memory, the value of λ is
2, if interior save as DDR2 memory, the value of λ is 4, if interior save as DDR3 memory, the value of λ is 8, other situations λ is that 16, t is every
The working time of a virtual machine, N are the number of the virtual machine for this digital content transmissions, and ZS is for this digital content
The total amount for the data that the needs of transmission transmit；
Step S1103, the delay of the memory of each virtual machine used of main control module is calculated using formula (2)；
Wherein, T is the highest frequency of memory, and Kcl is preset mode number, and general preset value is 2 or 3, and AC is memory
Input clock represents access time, FWfloor(t)Sl is a value of floor (t) of Fei Bola ordered series of numbers, and floor () is to bracket
Interior value is rounded, and general value is that 0 to 1, Me is the delay for calculating the virtual machine in obtained each use；
Step S1104, the formula (3) containing equilibrium state is constructed
min(N*Egz+(ALL-N)*Exx)
Wherein, formula (3) is expressed as solving a value N, keeps the value in the bracket of min () minimum, and s.t. indicates to solve most
The condition that small value must satisfy, energy consumption when Egz is the Virtual Machine Worker, ALL are idle for the virtual of data transmission
Machine quantity, Exx are the energy consumption when virtual machine is standby；
Step S1105, the value of the N using Lagrangian solution formula optimal solution in the case where meeting formula (3), N value
Then to meet bandwidth utilization efficiency, and in the case where control delay, when optimal energy consumption, needs virtual machine quantity to be started, starting
N number of virtual machine is uploaded for data.
Wherein, in all formula, the unit of time is ns, and the unit of working frequency is the one of the second point, the list of bus bit wide
Position is bit, and the unit of the total amount for the data for needing to transmit is GB, and the unit of handling capacity is GB/S.
Other features and advantages of the present invention will be illustrated in the following description, also, partly becomes from specification
It obtains it is clear that understand through the implementation of the invention.The objectives and other advantages of the invention can be by written explanation
Specifically noted structure is achieved and obtained in book, claims and attached drawing.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the playback system of digital content provided by the present invention.
Specific embodiment
Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings, it should be understood that preferred reality described herein
Apply example only for the purpose of illustrating and explaining the present invention and is not intended to limit the present invention.
The embodiment of the invention provides a kind of playback system of digital content, as shown in Figure 1, network side server 11, aobvious
Show terminal 12 and user terminal 13；Wherein,
Network side server 11, including digital content obtain module 111, main control module 112 and wireless communication module 113；
Digital content obtains module 111, for obtaining the digital content on network automatically, and by digital content to master control mould
Block 112 transmits；Main control module 112, for module 113 to be transmitted to display terminal 12 by wireless communication by digital content；
Display terminal 12, the digital content for receiving the transmission of network side server 11 are shown to user；
User terminal 13, for the digital content that user shows according to display terminal 12, by number interested to user
The relevant information of content is transmitted to network side server 11；
Network side server 11 further includes memory module 114, characteristic extracting module 115 and feature comparison module 116；
Memory module 114, the digital content storage for transmitting main control module 112 to display terminal 12；Feature extraction
Module 115, for extracting the characteristic information of the digital content in memory module 114, and by characteristic information to feature comparison module
116 transmission；Feature comparison module 116, what characteristic information and user terminal 13 for transmitting characteristic extracting module 115 transmitted
The relevant information of digital content is compared, and when the alignment is identical, will believe in memory module 114 with the consistent feature of relevant information
The corresponding digital content of breath is transmitted to main control module 112；
Main control module 112, digital content for transmitting feature comparison module 116 by wireless communication module 113 to
The transmission of display terminal 12 is shown.
The working principle of above system is: the digital content of network side server 11 obtains module 111 on network
Digital content is obtained automatically, and by main control module 112, wireless communication module 113 by acquired digital content to aobvious
Show that the transmission of terminal 12 is shown；
User's digital content according to display terminal 12, by the relevant information of digital content interested to user
It is transmitted to user terminal 13；User terminal 13 transmits the relevant information of digital content to network side server 11；Network side clothes
The digital content transmitted to display terminal 12 is automatically stored the memory module 114 of business device 11, and passes through characteristic extracting module 115
The characteristic information of digital content in memory module 114 is extracted, Xiang Tezheng comparison module 116 is transmitted；Feature comparison module 116 will be special
Reference breath is compared with the relevant information for the digital content that user terminal transmits, when the alignment is identical, will be in memory module 114
It is transmitted with digital content corresponding to the consistent characteristic information of relevant information to main control module 112；Main control module 112 will be in number
Hold module 113 by wireless communication to be shown to display terminal transmission.
The beneficial effect of above system is: obtaining module by the digital content of network side server, realizes to net
Digital content on network is obtained automatically；And by main control module, wireless communication module by acquired digital content to aobvious
Show terminal transmission, to realize the automatic broadcasting for the digital content that display terminal obtains network side server；And pass through
User terminal transmits the relevant information for receiving the interested digital content of user's transmission to network side server；Pass through
Memory module, characteristic extracting module and the feature comparison module of network side server, realize in memory module with user institute
The acquisition of the corresponding digital content of the relevant information of transmission, and acquired digital content is shown to display terminal transmission
Show；To realize the playback for the digital content that the relevant information that system is transmitted according to user played display terminal；It solves
User can not further realize system logarithm to the defect of the acquisition of the digital content played in traditional technology
The playback function of word content.
In one embodiment, the feature comparison module of network side server is also used to the spy of characteristic extracting module transmission
When reference breath and the relevant information of digital content of user terminal transmission compare inconsistent, to main control module transfer ratio to unsuccessfully believing
Breath；
Main control module will compare failure information when being also used to receive comparison failure information of the aspect ratio to module transfer
Module is transmitted to user terminal by wireless communication；
User terminal further includes control module and display module；
Control module, the comparison failure information for that will receive network side server transmission are transmitted to display module, to
User shows.The feature comparison module for passing through network side server in above-mentioned technical proposal, realizes to feature extraction mould
When the characteristic information of block transmission and the relevant information of digital content of user terminal transmission compare inconsistent, by main control module,
The control module and display module of user terminal to user's transfer ratio to failure information, to remind user to be inputted in number again
The relevant information of appearance allows users to the digital content for successfully getting playback.
In one embodiment, wireless communication module, including bluetooth communication, WiFi communication module and 4G communicate mould
One of block is a variety of；The function of wireless communication module is realized in above-mentioned technical proposal by communication.
Display terminal, including electronic display or LED display.It is realized in above-mentioned technical proposal by a variety of devices
The function of display terminal.
In one embodiment, user terminal further includes input module；
Input module inputs the relevant information of digital content interested to user itself for user, and will be digital
The relevant information of content is transmitted to control module；
Control module further includes participle unit, filter element and synthesis unit；
Participle unit, for carrying out word segmentation processing to relevant information and by institute according to the semanteme and punctuation mark of relevant information
The multiple phrases obtained are transmitted to filter element；
Filter element, multiple phrases for transmitting participle unit are compared with preset filtering phrase database,
When phrase is identical as the information comparison in filtering phrase database, phrase is deleted, and filtered phrase is single to synthesis
Member transmission；
Synthesis unit, for filtered multiple phrases to be combined, the relevant information after generating filtration treatment, and will
Relevant information is transmitted to control module；
Control module, for transmitting relevant information to network side server.Pass through input module in above-mentioned technical proposal,
Realize the acquisition of the relevant information for the digital content that the control module of user terminal transmits user；And pass through control module
In participle unit, realize the word segmentation processing of the relevant information for the digital content that user is transmitted by input module, and will obtain
The multiple phrases taken are transmitted to filter element；Filter element by phrase and it is preset filtering phrase database in information comparison,
Realize the deletion to the unimportant phrase such as modal particle in phrase (such as: " this ", " very ")；And pass through synthesis unit,
Realize the synthesis to filter element treated multiple phrases, and by the relevant information after synthesis by control module to network
Side server transport；To realize the processing for the relevant information that user terminal inputs user, network is further increased
Acquisition efficiency of the characteristic extracting module and feature comparison module of side server to the corresponding digital content of relevant information.
In one embodiment, one of input module, including keyboard, touch display screen and microphone are a variety of；On
State the function of realizing input module in technical solution by a variety of devices.
User terminal, including one or more in smart phone, PC or palm PC with communication function.
The function of user terminal is realized in above-mentioned technical proposal by various electronic.
In one embodiment, the control module of user terminal is also used to receive the phase of the digital content of user's input
When closing information, the acquisition information of the identifier number of display terminal is transmitted to user by display module；
Input module is also used to the acquisition information of the identifier number of the display terminal according to display module, will show
Show the identifier number input of terminal, and the identifier number of display terminal is transmitted to control module；Control module, by display terminal
Identifier number and relevant information to network side server transmit；
The main control module of network side server, in the memory module for obtaining feature comparison module with relevant information one
The mark of the display terminal that module is transmitted to user terminal by wireless communication of digital content corresponding to the characteristic information of cause is compiled
Number corresponding display terminal transmission is shown.The control module of user terminal receives user's transmission in above-mentioned technical proposal
When the relevant information of digital content, the acquisition information of the identifier number of display terminal is transmitted to user by display module；User
When receiving the acquisition information of the identifier number for the display terminal that display module is shown, display terminal that user is watched
Identifier number is inputted by input module, and is transmitted to control module；Control module is by the identifier number and correlation of display terminal
Information is transmitted to network side server；It, will be digital when network side server gets corresponding digital content by relevant information
The corresponding display terminal transmission of the identifier number of content to display terminal is shown, to realize system according to user demand
To the function of the playback of digital content of multiple display terminals.
In one embodiment, memory module further includes tag recognition unit and storage unit；
Tag recognition unit obtains number for identifying main control module to the digital content that display terminal transmits
The corresponding type information of content, and using type information as the label information of digital content；
It include multiple file storage areas in memory module；Storage unit, for by the label information of digital content and text
The name information of part memory block is compared, when the label information of digital content is identical as the name information of file storage area,
Digital content is stored in file corresponding to the name information of file storage area identical with the label information of digital content to deposit
In storage area.The tag recognition unit for passing through memory module in above-mentioned technical proposal, realizes the type information to digital content
Acquisition, and using type information as the label information of digital content；Storage unit is by number acquired in tag recognition unit
The name information of file storage area in the label information and memory module of content compares, will be in number when comparing identical
It stores and is stored in this document memory block, to realize memory module to the automatic classification storage of digital content.
In one embodiment, the type information of digital content, including science and education category information, economic category information, military class letter
One of breath, sport category information, economic category information and literature and art category information are a variety of；Pass through identification number in above-mentioned technical proposal
The type information of word content realizes the acquisition to the label information of digital content.
File storage area includes that corresponding science and education category information memory block, economy class information storage area, military category information are deposited
One of storage area, sport category information storage area, economy class information storage area and literature and art category information memory block are a variety of.It is above-mentioned
By the way that the name information of file storage area identical with data type information is arranged in technical solution, realize to main control module institute
The classification storage of the digital content of transmission.
In one embodiment, digital content obtains module, into main control module transmission, needs to control by digital content
Quantity in main control module for the virtual machine of digital content transmissions, so that digital content in transmission, is passed for digital content
The bandwidth availability ratio of defeated virtual machine reaches desired effects, and memory delays time to control is within a certain period of time, and main control module can be most
The energy saving of limits, wherein control main control module is shown in specific step is as follows:
Step S1101, the virtual machine quantity for digital content transmissions idle in main control module is obtained, and needs to pass
The total amount of defeated digital content；
Step S1102, the performance of the memory of acquisition, and utilization formula (1) calculates this digital content acquisition module and will count
When word content transmission is to main control module, the bandwidth availability ratio of the virtual machine for digital content transmissions:
Wherein, η is the bandwidth availability ratio of the virtual machine for digital content transmissions, and TP is the optimal throughput of memory, and f is
The working frequency of memory, b are the bus bit wide of memory, and λ is memory coefficient, if interior save as DDR memory, the value of λ is 2, if interior
DDR2 memory is saved as, then the value of λ is 4, if interior save as DDR3 memory, the value of λ is 8, other situations λ is that 16, t is each virtual
The working time of machine, N are the number of the virtual machine for this digital content transmissions, and ZS is for this digital content transmissions
The total amount for the data for needing to transmit；
Step S1103, the delay of the memory of each virtual machine used of main control module is calculated using formula (2)；
Wherein, T is the highest frequency of memory, and Kcl is preset mode number, and general preset value is 2 or 3, and AC is memory
Input clock represents access time, FWfloor(t)Sl is a value of floor (t) of Fei Bola ordered series of numbers, and floor () is to bracket
Interior value is rounded, and general value is that 0 to 1, Me is the delay for calculating the virtual machine in obtained each use；
Step S1104, the formula (3) containing equilibrium state is constructed
min(N*Egz+(ALL-N)*Exx)
Wherein, formula (3) is expressed as solving a value N, keeps the value in the bracket of min () minimum, and s.t. indicates to solve most
The condition that small value must satisfy, energy consumption when Egz is Virtual Machine Worker, ALL are the idle virtual machine number for data transmission
Amount, Exx are energy consumption when virtual machine is standby；
Step S1105, the value of the N using Lagrangian solution formula optimal solution in the case where meeting formula (3), N value
Then to meet bandwidth utilization efficiency, and in the case where control delay, when optimal energy consumption, needs virtual machine quantity to be started, starting
N number of virtual machine is uploaded for data.
Wherein, in all formula, the unit of time is ns, and the unit of working frequency is the one of the second point, the list of bus bit wide
Position is bit, and the unit of the total amount for the data for needing to transmit is GB, and the unit of handling capacity is GB/S.
Using above-mentioned technology, number of the main control module starting for the virtual machine of digital content transmissions can be intelligently controlled
Amount, so that the efficiency of the virtual machine of each enabling reaches scheduled effect, and each enabling in digital content in transmission process
Virtual machine memory delays time to control within a certain period of time, main control module energy consumption minimization in the process, so that energy consumption, bandwidth benefit
The state that three's balance can be reached with rate, delay, to improve service efficiency, while reaching energy-saving effect.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (9)
1. a kind of playback system of digital content, which is characterized in that network side server, display terminal and user terminal；Wherein,
The network side server, including digital content obtain module, main control module and wireless communication module；
The digital content obtains module, for obtaining the digital content on network automatically, and by the digital content to described
Main control module transmission；The main control module, for the digital content is whole to the display by the wireless communication module
End transmission；
The display terminal, the digital content for receiving the network side server transmission are shown to user；
The user terminal, for the digital content that user shows according to the display terminal, described in interested to user
The relevant information of digital content is transmitted to the network side server；
The network side server further includes memory module, characteristic extracting module and feature comparison module；
The memory module, the digital content storage for transmitting the main control module to the display terminal；It is described
Characteristic extracting module, for extracting the characteristic information of the digital content in the memory module, and by the characteristic information
To the aspect ratio to module transfer；The feature comparison module, the feature for transmitting the characteristic extracting module
Information is compared with the relevant information for the digital content that the user terminal transmits, and when the alignment is identical, deposits described
It is transmitted with the digital content corresponding to the consistent characteristic information of the relevant information to the main control module in storage module；
The main control module, for the digital content of the aspect ratio to module transfer to be passed through the wireless communication module
It is shown to display terminal transmission.
2. the system as claimed in claim 1, which is characterized in that
The feature comparison module of the network side server is also used to the feature letter of the characteristic extracting module transmission
When breath and the relevant information of the digital content of user terminal transmission compare inconsistent, Xiang Suoshu main control module transfer ratio
To failure information；
The main control module will be described when being also used to receive the comparison failure information of the aspect ratio to module transfer
Failure information is compared to transmit by the wireless communication module to the user terminal；
The user terminal further includes control module and display module；
The control module, for the comparison failure information of network side server transmission will to be received to the display module
Transmission, shows to user.
3. the system as claimed in claim 1, which is characterized in that
One of described wireless communication module, including bluetooth communication, WiFi communication module and 4G communication module are more
Kind；
The display terminal, including electronic display or LED display.
4. the system as claimed in claim 1, which is characterized in that
The user terminal further includes input module；
The input module inputs the relevant information of the digital content interested to user itself for user, and will
The relevant information of the digital content is transmitted to the control module；
The control module further includes participle unit, filter element and synthesis unit；
The participle unit, for being carried out at participle according to the semanteme and punctuation mark of the relevant information to the relevant information
It manages and transmits acquired multiple phrases to the filter element；
The filter element, the multiple phrase for transmitting the participle unit and preset filtering phrase database into
Row compares, and when the phrase is identical as the information comparison in the filtering phrase database, the phrase is deleted, and incited somebody to action
Phrase after filter is transmitted to the synthesis unit；
The synthesis unit, for filtered multiple phrases to be combined, the relevant information after generating filtration treatment,
And the relevant information is transmitted to the control module；
The control module, for transmitting the relevant information to the network side server.
5. system as claimed in claim 4, which is characterized in that
One of described input module, including keyboard, touch display screen and microphone are a variety of；
The user terminal, including one or more in smart phone, PC or palm PC with communication function.
6. the system as claimed in claim 1, which is characterized in that
The control module of the user terminal is led to when being also used to receive the relevant information of the digital content of user's input
Cross the acquisition information that the display module transmits the identifier number of display terminal to user；
The input module is also used to the acquisition information of the identifier number of the display terminal according to the display module,
The identifier number of the display terminal is inputted, and the identifier number of the display terminal is transmitted to the control module；Institute
Control module is stated, the identifier number of the display terminal and the relevant information are transmitted to the network side server；
The main control module of the network side server, in the memory module for obtaining the feature comparison module with institute
It is whole to the user by the wireless communication module to state the digital content corresponding to the consistent characteristic information of relevant information
The corresponding display terminal transmission of the identifier number of the display terminal of transmission is held to be shown.
7. the system as claimed in claim 1, which is characterized in that
The memory module further includes tag recognition unit and storage unit；
The tag recognition unit, the digital content for transmitting the main control module to the display terminal are known
Not, the corresponding type information of the digital content is obtained, and is believed the type information as the label of the digital content
Breath；
It include multiple file storage areas in the memory module；The storage unit, for by the label of the digital content
Information is compared with the name information of the file storage area, when the label information of the digital content and the file store
When the name information in area is identical, the digital content is stored in file identical with the label information of the digital content and is stored
In the file storage area corresponding to the name information in area.
8. system as claimed in claim 7, which is characterized in that
The type information of the digital content, including science and education category information, economic category information, military category information, sport category information, warp
Help one of category information and literature and art category information or a variety of；
The file storage area includes that corresponding science and education category information memory block, economy class information storage area, military category information are deposited
One of storage area, sport category information storage area, economy class information storage area and literature and art category information memory block are a variety of.
9. the system as claimed in claim 1, which is characterized in that
The digital content obtains module, into main control module transmission, is needing to control the master for the digital content
The quantity in module for the virtual machine of digital content transmissions is controlled, so that the digital content in transmission, is used for the number
The bandwidth availability ratio of the virtual machine of content transmission reaches desired effects, and memory delays time to control is within a certain period of time, described
Main control module can maximum energy saving, wherein shown in controlling the main control module specific step is as follows:
Step S1101, the virtual machine quantity for digital content transmissions idle in the main control module, Yi Jixu are obtained
The total amount of the digital content to be transmitted；
Step S1102, the performance of the memory of acquisition, and calculate this described digital content using formula (1) and obtain module for institute
When stating digital content transmissions to the main control module, the bandwidth availability ratio of the virtual machine for the digital content transmissions:
Wherein, η is the bandwidth availability ratio of the virtual machine for the digital content transmissions, and TP is the optimal throughput of memory, and f is
The working frequency of memory, b are the bus bit wide of memory, and λ is memory coefficient, if interior save as DDR memory, the value of λ is 2, if interior
DDR2 memory is saved as, then the value of λ is 4, if interior save as DDR3 memory, the value of λ is 8, other situations λ is that 16, t is each virtual
The working time of machine, N are the number of the virtual machine for this digital content transmissions, and ZS is for this digital content transmissions
The total amount for the data for needing to transmit；
Step S1103, the delay of the memory of each virtual machine used of main control module is calculated using formula (2)；
Wherein, T is the highest frequency of memory, and Kcl is preset mode number, and general preset value is 2 or 3, and AC is the input of memory
Clock represents access time, FWfloor(t)Sl is a value of floor (t) of Fei Bola ordered series of numbers, and floor () is in bracket
Value is rounded, and general value is that 0 to 1, Me is the delay for calculating the virtual machine in obtained each use；
Step S1104, the formula (3) containing equilibrium state is constructed
min(N*Egz+(ALL-N)*Exx)
Wherein, formula (3) is expressed as solving a value N, keeps the value in the bracket of min () minimum, and s.t. indicates to solve minimum value
The condition that must satisfy, energy consumption when Egz is the Virtual Machine Worker, ALL are the idle virtual machine number for data transmission
Amount, Exx are the energy consumption when virtual machine is standby；
Step S1105, the value of the N using Lagrangian solution formula optimal solution in the case where meeting formula (3), N value are then
Meet bandwidth utilization efficiency, and in the case where control delay, when optimal energy consumption needs virtual machine quantity to be started, starts N number of
Virtual machine is uploaded for data；
Wherein, in all formula, the unit of time is ns, and the unit of working frequency is the one of the second point, and the unit of bus bit wide is
Bit, the unit of the total amount for the data for needing to transmit are GB, and the unit of handling capacity is GB/S.
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Application publication date: 20191105 |