CN104320698B - The method and system that DVB-T2 code stream information is extracted by virtual machine - Google Patents
The method and system that DVB-T2 code stream information is extracted by virtual machine Download PDFInfo
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- CN104320698B CN104320698B CN201410617753.7A CN201410617753A CN104320698B CN 104320698 B CN104320698 B CN 104320698B CN 201410617753 A CN201410617753 A CN 201410617753A CN 104320698 B CN104320698 B CN 104320698B
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001914 filtration Methods 0.000 claims description 10
- 230000004048 modification Effects 0.000 claims description 8
- 238000012986 modification Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 230000011664 signaling Effects 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 10
- 238000005516 engineering process Methods 0.000 description 8
- 241001269238 Data Species 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000013467 fragmentation Methods 0.000 description 2
- 238000006062 fragmentation reaction Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
Classifications
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/438—Interfacing the downstream path of the transmission network originating from a server, e.g. retrieving encoded video stream packets from an IP network
- H04N21/4383—Accessing a communication channel
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/434—Disassembling of a multiplex stream, e.g. demultiplexing audio and video streams, extraction of additional data from a video stream; Remultiplexing of multiplex streams; Extraction or processing of SI; Disassembling of packetised elementary stream
-
- 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
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4437—Implementing a Virtual Machine [VM]
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Software Systems (AREA)
- Databases & Information Systems (AREA)
- Human Computer Interaction (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The present invention discloses a kind of method and system extracted by virtual machine to DVB-T2 code stream information, this method comprises: multiple logical data streams in identification DVB-T2 system；It is that each logical data stream establishes corresponding java virtual machine based on multiple logical data streams；Pass through the corresponding each logical data stream of corresponding java virtual machine operation；Parameter information corresponding to each logical data stream is shown based on the corresponding java virtual machine.The embodiment of the present invention is by identifying multiple logical data streams in DVB-T2 system in receiving end, and corresponding java virtual machine is established for each logical data stream, to run each logical data stream, can by logical data stream content or parameter feedback to operation user, operation user is facilitated to understand the relevant information in logical data stream, to be pocessed for these logical data streams, to realize the control to logical data stream.
Description
Technical field
The present invention relates to digital TV technologies, more particularly to a kind of virtual machine that passes through to extract to DVB-T2 code stream information
Method and system.
Background technique
DVB-T2 is second generation Digital European ground TV broadcast transmission standard, is supported most in 8MHz spectral bandwidth
(the empty packet as included possible removal, highest TS flow transmission rate up to 100Mbit/ to high TS stream transmission rate about 50.1Mbit/s
s).European DVB standard enters the second generation promulgation phase successively at present, and wherein DVB-S2 standard was announced in 2006, DVB-T2
Standard is announced in June, 2008.
It is serviced in order to squeeze out more capacity in terrestrial television channel to be suitable for HDTV, European Digital Video is wide
Broadcast tissue (DVB) and formulated second generation ground digital television broadcast standard --- DVB-T2.The standard is using at present in the world most
Advanced coding and modulation system, and the new technologies such as PLP (physical layer pipe) and FEF (future extension frame) are introduced, identical
Planning limitation can provide at least 30% channel capacity under the conditions of more than DVB-T, with higher data transmission efficiency, reliably
The advantages such as property, flexibility and excellent Mobile Reception Performance, become current research hotspot.
Business to be transmitted in DVB-T2 first passes through input preprocessor and resolves into one or more mpeg transport streams (TS)
And/or general flow (GS), then transmitted by T2 system.Input preprocessor can be business separation device or transport stream
Demultiplexer is used for service decomposition to be transmitted into multiple logical data streams.The typical output of whole system is in single radio frequency
The single antenna signal of tunnel.T2 also supports MISO (to enter singly to go out) transmission mode more, i.e. system carries out signal to be transmitted empty
Frequency is emitted after encoding by two emitting antennas, and receiving end is received using a receiving antenna.The frequency division when supporting
When tablet mode, the output of T2 system is in the multiple signals of multiple radio frequency paths transmission, and correspondingly, receiving end is also required to support multiple
The tuner and radio-frequency front-end of radio frequency path.
The existing multiple logical data streams more entered in single mode out are that closing is unforeseen for receiving end, no
Parameter state or transferring content of these logical data streams etc. can be interpreted very well, the maintenance of entire receiving end can be handled and be caused
Inconvenience cannot realize data filtering and content parameters modification etc. well.
Summary of the invention
The technical problem to be solved by the present invention is to can not the parameter of resolution logic data flow or interior for existing receiving end
Hold etc., a kind of method and system extracted by virtual machine to DVB-T2 code stream information are provided, can be solved very well from receiving end
Parameter or content etc. in each logical data stream are analysed, ensures that receiving end is well handled data.
The purpose of the present invention is achieved through the following technical solutions:
The present invention provides a kind of methods extracted by virtual machine to DVB-T2 code stream information characterized by comprising
Identify multiple logical data streams in DVB-T2 system；
It is that each logical data stream establishes corresponding java virtual machine based on multiple logical data streams；
Pass through the corresponding each logical data stream of corresponding java virtual machine operation；
Parameter information corresponding to each logical data stream is shown based on the corresponding java virtual machine.
The multiple logical data stream is two or more.
The method also includes:
DVB-T2 system receiving terminal receives multiple signals, institute by the tuner and radio-frequency front-end for supporting multiple radio frequency paths
It states multiple signals and carries multiple logical data streams.
The method also includes:
It receives user instructions, the operation to multiple logical data streams is completed based on user instruction.
The user instruction includes: the filtering instructions of logical data stream or the parameter modification instruction of logical data stream.
Correspondingly, the present invention also provides a kind of system extracted by virtual machine to DVB-T2 code stream information, the system
System includes:
Data flow identification module, for identification multiple logical data streams in DVB-T2 system；
Virtual machine setup module, for being that each logical data stream establishes corresponding java based on multiple logical data streams
Virtual machine；
Virtual machine runs module, for each logical data stream corresponding by corresponding java virtual machine operation；
Virtual machine display module, for being shown corresponding to each logical data stream based on the corresponding java virtual machine
Parameter information.
The multiple logical data stream is two or more.
The system also includes:
Data stream reception module, for based on DVB-T2 system receiving terminal by support multiple radio frequency paths tuner and
Radio-frequency front-end receives multiple signals, and the multiple signals carry multiple logical data streams.
The system also includes:
User instruction processing module is completed for receiving user instructions, and based on user instruction to multiple logical data streams
Operation.
The user instruction includes: the filtering instructions of logical data stream or the parameter modification instruction of logical data stream.
Compared with prior art, the embodiment of the present invention is by identifying multiple logical datas in DVB-T2 system in receiving end
Stream, and corresponding java virtual machine is established for each logical data stream, to run each logical data stream, can incite somebody to action
Content or parameter feedback in logical data stream facilitate operation user to understand the related letter in logical data stream to operation user
Breath, to be pocessed for these logical data streams, to realize the control to logical data stream.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the method flow diagram of the embodiment of the present invention extracted by virtual machine to DVB-T2 code stream information；
Fig. 2 is the system construction drawing of the embodiment of the present invention extracted by virtual machine to DVB-T2 code stream information.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts all other
Embodiment shall fall within the protection scope of the present invention.
The present invention mainly passes through multiple logical data streams in identification DVB-T2 system；It is then based on multiple logical data streams
Corresponding java virtual machine is established for each logical data stream；By each corresponding to corresponding java virtual machine operation
Logical data stream；Parameter information corresponding to each logical data stream is shown based on corresponding java virtual machine.By virtual
Machine resolution logic data flow, then feed back to operating side.
Correspondingly, Fig. 1 shows the method extracted by virtual machine to DVB-T2 code stream information in the embodiment of the present invention
Flow chart includes the following steps:
S101, DVB-T2 system receiving terminal receive multichannel letter by the tuner and radio-frequency front-end for supporting multiple radio frequency paths
Number；
It should be noted that multiple signals here carry multiple logical data streams.Since DVB-T2 also supports MISO
(more entering singly to go out) transmission mode, i.e. system will be emitted after signal to be transmitted progress space-frequency coding by two emitting antennas,
Receiving end is received using a receiving antenna.When supporting time-frequency fragmentation schema, the output of DVB-T2 system is penetrated multiple
The multiple signals of frequency tunnel, correspondingly, receiving end are also required to support the tuner and radio-frequency front-end of multiple radio frequency paths.?
After the receiving end DVB-T2 receives multichannel number signal, the DVB-T2 system receiving terminal by support multiple radio frequency paths tuner and
Radio-frequency front-end receives multiple signals, all carries a logical data stream per signal all the way in multiple signals.
Multiple logical data streams on S102, identification DVB-T2 system；
For supporting MISO (to enter singly to go out) transmission mode, receiving end needs to control enters the case where list goes out more, needs to identify more
How many logical data stream identifies that multiple logical data streams in multiple signals situation, so good basis are each patrolled
Data flow is collected to establish corresponding java virtual machine.
It S103, is that each logical data stream establishes corresponding java virtual machine based on multiple logical data streams；
In the present embodiment, when creating java virtual machine, it can use the virtualization technology or completely empty of lightweight
Quasi-ization technology is realized, opens corresponding human-computer interaction interface, the operation of current logical data stream can be realized.
S104, pass through the corresponding each logical data stream of corresponding java virtual machine operation；
The data object difference or content carried due to different logical data streams is different, can be directed to created void
Quasi- machine runs to complete corresponding process, ensures that the virtual function of each java completes the running environment of unity logic data flow, often
A logical data stream will not be fused together, and ensure that the independence of multiple signals branch parallel.
S105, parameter information corresponding to each logical data stream is shown based on the corresponding java virtual machine；
Each java virtual machine can show logical data stream, complete the feedback of relevant parameter or content, lead to
The interface for crossing java virtual machine can recognize information or content etc. that each logical data stream is transmitted.
S106, it receives user instructions, the operation to multiple logical data streams is completed based on user instruction.
The user instruction includes to the filtering instructions of logical data stream or parameter modification instruction of logical data stream etc..
Parameters or content in DVB-T2 code stream information have been reproduced by virtual machine, have been easy that the user of receiving end is allowed to grasp entirely
Inter-area traffic interarea, thus appropriately configured and control information transmitting content.Such as traditional data filtering, filter some noises or
The contents such as person's advertisement.Some parameters or content can also be inserted by virtual machine interface.
Correspondingly, Fig. 2 shows the systems extracted by virtual machine to DVB-T2 code stream information in the embodiment of the present invention
Structure chart, the system include:
Data flow identification module, for identification multiple logical data streams in DVB-T2 system；
It should be noted that multiple signals here carry multiple logical data streams.Since DVB-T2 also supports MISO
(more entering singly to go out) transmission mode, i.e. system will be emitted after signal to be transmitted progress space-frequency coding by two emitting antennas,
Receiving end is received using a receiving antenna.When supporting time-frequency fragmentation schema, the output of DVB-T2 system is penetrated multiple
The multiple signals of frequency tunnel, correspondingly, receiving end are also required to support the tuner and radio-frequency front-end of multiple radio frequency paths.?
After the receiving end DVB-T2 receives multichannel number signal, the DVB-T2 system receiving terminal by support multiple radio frequency paths tuner and
Radio-frequency front-end receives multiple signals, all carries a logical data stream per signal all the way in multiple signals.
Virtual machine setup module, for being that each logical data stream establishes corresponding java based on multiple logical data streams
Virtual machine；
For supporting MISO (to enter singly to go out) transmission mode, receiving end needs to control enters the case where list goes out more, needs to identify more
How many logical data stream identifies that multiple logical data streams in multiple signals situation, so good basis are each patrolled
Data flow is collected to establish corresponding java virtual machine.
Virtual machine runs module, for each logical data stream corresponding by corresponding java virtual machine operation；
In the present embodiment, when creating java virtual machine, it can use the virtualization technology or completely empty of lightweight
Quasi-ization technology is realized, opens corresponding human-computer interaction interface, the operation of current logical data stream can be realized.
Virtual machine display module, for being shown corresponding to each logical data stream based on the corresponding java virtual machine
Parameter information.
The data object difference or content carried due to different logical data streams is different, can be directed to created void
Quasi- machine runs to complete corresponding process, ensures that the virtual function of each java completes the running environment of unity logic data flow, often
A logical data stream will not be fused together, and ensure that the independence of multiple signals branch parallel.Each java virtual machine can
Logical data stream is shown, the feedback of relevant parameter or content is completed, can be understood by the interface of java virtual machine
Information or content for being transmitted to each logical data stream etc..
It should be noted that the system further include: data stream reception module, for being passed through based on DVB-T2 system receiving terminal
The tuner and radio-frequency front-end for supporting multiple radio frequency paths receive multiple signals, and the multiple signals carry multiple logical datas
Stream.
It should be noted that the system further include:
User instruction processing module is completed for receiving user instructions, and based on user instruction to multiple logical data streams
Operation.
Here user instruction includes: the filtering instructions of logical data stream or the parameter modification instruction of logical data stream.
The user instruction includes to the filtering instructions of logical data stream or parameter modification instruction of logical data stream etc..By virtual
Machine has reproduced parameters or content in DVB-T2 code stream information, is easy that the user of receiving end is allowed to grasp entire information data
Stream, thus appropriately configured and control information transmitting content.Such as traditional data filtering, filter some noises or advertisement etc.
Content.Some parameters or content can also be inserted by virtual machine interface.
Compared with prior art, the embodiment of the present invention is by identifying multiple logical datas in DVB-T2 system in receiving end
Stream, and corresponding java virtual machine is established for each logical data stream, to run each logical data stream, can incite somebody to action
Content or parameter feedback in logical data stream facilitate operation user to understand the related letter in logical data stream to operation user
Breath, to be pocessed for these logical data streams, to realize the control to logical data stream.
It is provided for the embodiments of the invention the method and system extracted by virtual machine to DVB-T2 code stream information above
It is described in detail, used herein a specific example illustrates the principle and implementation of the invention, the above reality
The explanation for applying example is merely used to help understand method and its core concept of the invention；Meanwhile for the general technology of this field
Personnel, according to the thought of the present invention, there will be changes in the specific implementation manner and application range, in conclusion this theory
Bright book content should not be construed as limiting the invention.
Claims (8)
1. a kind of method extracted by virtual machine to DVB-T2 code stream information characterized by comprising
After the receiving end DVB-T2 receives multichannel number signal, which passes through the tune for supporting multiple radio frequency paths
Humorous device and radio-frequency front-end receive multiple signals, all carry a logical data stream per signal all the way in multiple signals；
Identify that multiple logical data streams in DVB-T2 system, the multiple logical data stream are two or more；
It is that each logical data stream establishes corresponding java virtual machine based on multiple logical data streams；
Pass through the corresponding each logical data stream of corresponding java virtual machine operation；
Parameter information corresponding to each logical data stream is shown based on the corresponding java virtual machine.
2. the method extracted as described in claim 1 by virtual machine to DVB-T2 code stream information, which is characterized in that the side
Method further include:
DVB-T2 system receiving terminal receives multiple signals by the tuner and radio-frequency front-end for supporting multiple radio frequency paths, described more
Road signaling bearer has multiple logical data streams.
3. the method extracted as claimed in claim 2 by virtual machine to DVB-T2 code stream information, which is characterized in that the side
Method further include:
It receives user instructions, the operation to multiple logical data streams is completed based on user instruction.
4. the method extracted as claimed in claim 3 by virtual machine to DVB-T2 code stream information, which is characterized in that the use
Family instruction includes: the filtering instructions of logical data stream or the parameter modification instruction of logical data stream.
5. a kind of system extracted by virtual machine to DVB-T2 code stream information, which is characterized in that the system comprises:
Data flow identification module, multiple logical data streams in DVB-T2 system, the multiple logical data stream are for identification
It is two or more；
Virtual machine setup module, for being that the corresponding java of each logical data stream foundation is virtual based on multiple logical data streams
Machine；
Virtual machine runs module, for each logical data stream corresponding by corresponding java virtual machine operation；
Virtual machine display module, for showing ginseng corresponding to each logical data stream based on the corresponding java virtual machine
Number information.
6. the system extracted as claimed in claim 5 by virtual machine to DVB-T2 code stream information, which is characterized in that the system
System further include:
Data stream reception module, for the tuner and radio frequency based on DVB-T2 system receiving terminal by the multiple radio frequency paths of support
Front end receiver multiple signals, the multiple signals carry multiple logical data streams.
7. the system extracted as claimed in claim 6 by virtual machine to DVB-T2 code stream information, which is characterized in that the system
System further include:
User instruction processing module completes the behaviour to multiple logical data streams for receiving user instructions, and based on user instruction
Make.
8. the system extracted as claimed in claim 7 by virtual machine to DVB-T2 code stream information, which is characterized in that the use
Family instruction includes: the filtering instructions of logical data stream or the parameter modification instruction of logical data stream.
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| CN201410617753.7A CN104320698B (en) | 2014-11-05 | 2014-11-05 | The method and system that DVB-T2 code stream information is extracted by virtual machine |
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| CN201410617753.7A CN104320698B (en) | 2014-11-05 | 2014-11-05 | The method and system that DVB-T2 code stream information is extracted by virtual machine |
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| CN104320698B true CN104320698B (en) | 2018-12-28 |
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| CN101405782A (en) * | 2006-01-19 | 2009-04-08 | Lg电子株式会社 | Method for transmitting and receiving traffic information and apparatus thereof |
| US20140282790A1 (en) * | 2013-03-15 | 2014-09-18 | Echostar Technologies L.L.C. | Systems and methods for avoiding missing television programming when changing between television channels |
| CN102447964B (en) * | 2010-10-08 | 2014-12-10 | Lg电子株式会社 | Display apparatus and method for controlling the display apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105245921B (en) * | 2011-01-20 | 2018-09-14 | Lg电子株式会社 | Digital receiver and its method that real-time audience ratings is provided |
| US8627364B2 (en) * | 2011-09-20 | 2014-01-07 | Lg Electronics Inc. | Digital system and method of processing service data thereof |
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2014
- 2014-11-05 CN CN201410617753.7A patent/CN104320698B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101406048A (en) * | 2006-01-19 | 2009-04-08 | Lg电子株式会社 | Method for transmitting and receiving tranffic information and apparatus thereof |
| CN101405782A (en) * | 2006-01-19 | 2009-04-08 | Lg电子株式会社 | Method for transmitting and receiving traffic information and apparatus thereof |
| CN102447964B (en) * | 2010-10-08 | 2014-12-10 | Lg电子株式会社 | Display apparatus and method for controlling the display apparatus |
| US20140282790A1 (en) * | 2013-03-15 | 2014-09-18 | Echostar Technologies L.L.C. | Systems and methods for avoiding missing television programming when changing between television channels |
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