CN110166550A - A kind of fixed time broadcast method and device of digit broadcasting system - Google Patents
A kind of fixed time broadcast method and device of digit broadcasting system Download PDFInfo
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- CN110166550A CN110166550A CN201910427499.7A CN201910427499A CN110166550A CN 110166550 A CN110166550 A CN 110166550A CN 201910427499 A CN201910427499 A CN 201910427499A CN 110166550 A CN110166550 A CN 110166550A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/18—Arrangements for synchronising broadcast or distribution via plural systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J3/00—Time-division multiplex systems
- H04J3/02—Details
- H04J3/06—Synchronising arrangements
- H04J3/0635—Clock or time synchronisation in a network
- H04J3/0638—Clock or time synchronisation among nodes; Internode synchronisation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/06—Protocols specially adapted for file transfer, e.g. file transfer protocol [FTP]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The invention discloses a kind of fixed time broadcast methods of digit broadcasting system, and file server is disposed in broadcast system service device, and the broadcast system service device passes through the instruction path transmission timing broadcasting tasks information between broadcasting equipment to the broadcasting equipment；The broadcasting equipment downloads file by the file server disposed in broadcast system service device, the fixed time broadcast mission bit stream received is parsed, obtain corresponding file to be downloaded information, it checks local storage and consistency checking is carried out to downloaded file, then the file data downloaded is filtered in all file to be downloaded information, broadcasting equipment passes through the file server again and downloads other files；Broadcasting equipment carries out time synchronization using Network Time Protocol (Network Time Protocol) and broadcast system service device, broadcasting equipment judges whether play start time reaches according to fixed time broadcast task, if so, reading corresponding document content by preset order and decoding, play.
Description
Technical field
The present invention relates to technical field of digital broadcast more particularly to the fixed time broadcast methods and dress of a kind of digit broadcasting system
It sets.
Background technique
It generally uses in a digital broadcasting system and broadcasting equipment is sent by network by digital audio stream by server, extensively
It broadcasts after equipment receives digital audio stream and is decoded, plays, amplify to realize broadcasting service.This mode in a local network, respectively
Network connection between a broadcasting equipment and server is stablized, it is ensured that is played and is synchronized between broadcasting equipment.But work as digital broadcasting system
When system is disposed on a wide area network, since the access network bandwidth deficiency of broadcasting equipment, network jitter etc. influence, broadcast is likely to occur
The problem of Caton.General solution is the audio frame of broadcasting equipment elder generation buffer some amount, then starts decoding and play, but this
Sample plays nonsynchronous problem between also resulting in different broadcasting equipments.
Summary of the invention
Present invention seek to address that the technical problems existing in the prior art.For this purpose, the invention discloses a kind of digital broadcastings
The fixed time broadcast method of system, disposes file server in broadcast system service device, the broadcast system service device by with
Instruction path transmission timing broadcasting tasks information between broadcasting equipment is to the broadcasting equipment；The broadcasting equipment passes through broadcast system
The file server downloading file disposed in system server, parses the fixed time broadcast mission bit stream received, obtains
Corresponding file to be downloaded information is obtained, checks that local storage simultaneously carries out consistency checking to downloaded file, then all
The file data downloaded is filtered in file to be downloaded information, broadcasting equipment passes through the file server again and downloads other texts
Part；Broadcasting equipment is same using Network Time Protocol (Network Time Protocol) and broadcast system service device progress time
Step, broadcasting equipment judge whether play start time reaches according to fixed time broadcast task, if so, reading by preset order corresponding
File content is simultaneously decoded, is played.
Further, the file server is HTTP file server, carries out the broadcast by http protocol and sets
Standby communication, the HTTP file server include TSS file management device and Virtual File System (Virtual File
System) document classification and switching file index catalog function are provided.
Further, the broadcasting equipment parses the fixed time broadcast mission bit stream received, obtains corresponding
File to be downloaded information further comprise: in the mission bit stream comprising audio file download link and file MD5 value,
Broadcasting equipment carries out consistency checking to downloaded file by verification MD5 value.
Further, the fixed time broadcast task includes with properties: when audio file list, task start to play
Between, task duplication attribute, task volume, broadcasting equipment inventory.
Further, fixed time broadcast task further comprises task priority attribute, when multiple tasks play time section
When overlapping, by broadcasting equipment task priority based on the received, the high playing task of execution priority.
The invention also discloses a kind of fixed time broadcast devices of digit broadcasting system, including broadcasting server and and server
The broadcasting equipment of connection, broadcasting server include: server communication module, dispose file service in broadcast system service device
Device, the broadcast system service device pass through the instruction path transmission timing broadcasting tasks information between broadcasting equipment to the broadcast
Equipment；The broadcasting equipment includes: download module, under the file server by disposing in broadcast system service device
Published article part；Parsing module obtains corresponding file to be downloaded letter for parsing to the fixed time broadcast mission bit stream received
Breath；File verification and filtering module, execute check local storage and to downloaded file carry out consistency checking function, and
The file data downloaded is filtered in all file to be downloaded information, broadcasting equipment passes through the file server again and downloads it
Its file；Broadcasting equipment time synchronization module, by using Network Time Protocol (Network Time Protocol) and broadcast
System server carries out time synchronization, and broadcasting equipment judges whether play start time reaches according to fixed time broadcast task, if so,
Corresponding document content then is read by preset order and is decoded, is played.
Further, the server communication module, file server therein are HTTP file server, are passed through
Http protocol carries out the communication of the broadcasting equipment, including TSS file management device and Virtual File System (Virtual
File System) document classification switching file index catalog function is provided.
Further, the file verification and filtering module parse the fixed time broadcast mission bit stream received,
Obtaining corresponding file to be downloaded information further comprises: including the download link and file of audio file in the mission bit stream
MD5 value, broadcasting equipment by verification MD5 value to downloaded file carry out consistency checking.
Further, the fixed time broadcast task includes with properties: when audio file list, task start to play
Between, task duplication attribute, task volume, broadcasting equipment inventory.
Further, fixed time broadcast task further comprises task priority attribute, when multiple tasks play time section
When overlapping, by broadcasting equipment, task priority, execution play the high task of priority based on the received.
Compared with prior art, the present invention obtain have the beneficial effect that in advance by downloaded to local, broadcasting
It is not influenced in the process by Network status, it is ensured that broadcast effect is smooth；By carrying out the time with server between broadcasting equipment
It is synchronous, it is ensured that the time consistency of broadcasting equipment, while broadcasting equipment can be allowed to start fixed time broadcast task simultaneously, guarantee extensively
Equipment room is broadcast to be played simultaneously；Periodic task broadcasting equipment only needs to download the audio file in a subtask, and uses live streaming
Real-time audio is sent when mode server needs to play every time flows to broadcasting equipment.Periodic task can be reduced using this method
Flow cost between broadcasting equipment and server.
Detailed description of the invention
From following description with reference to the accompanying drawings it will be further appreciated that the present invention.Component in figure is not drawn necessarily to scale,
But it focuses on and shows in the principle of embodiment.In the figure in different views, identical appended drawing reference is specified to be corresponded to
Part.
Fig. 1 is the flow chart of the fixed time broadcast method of digit broadcasting system of the invention；
Fig. 2 is the structure chart of the fixed time broadcast device of digit broadcasting system of the invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with attached drawing to the present invention make into
It is described in detail to one step, it is clear that the described embodiments are only some of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, 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.
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 some of the embodiments of the present invention, instead of all the embodiments.It needs to illustrate
, the detailed description illustrated in conjunction with attached drawing is intended as the description to various configurations, wherein can be real without being intended to indicate that
Trample unique configuration of concepts described herein.Installation practice and embodiment of the method documented by herein will be following detailed
It is described in thin description, and passes through various frames, module, unit, component, circuit, step, process, algorithm etc. in the accompanying drawings
(be referred to as " element ") is shown.These elements can be used electronic hardware, computer software or any combination thereof and come
It realizes.It is implemented as hardware or software as these elements, depending on specific application and the design being applied on total system
Constraint.If the term in description and claims of this specification and Figure of description uses " first ", " second " etc.
Description, this kind description is not use to describe a particular order for distinguishing different objects.
It should be appreciated that ought use in this specification and in the appended claims, term " includes " and "comprising" instruction
Described feature, entirety, step, operation, the presence of element and/or component, but one or more of the other feature, whole is not precluded
Body, step, operation, the presence or addition of element, component and/or its set.It is also understood that the institute in this description of the invention
The term used is merely for the sake of being not intended to limit the present invention for the purpose of describing particular embodiments.Such as in description of the invention
With it is used in the attached claims like that, other situations unless the context is clearly specified, otherwise singular
" one ", "one" and "the" are intended to include plural form.It will be further appreciated that being wanted in description of the invention and appended right
Term "and/or" used in book is asked to refer to any combination and all possibility of one or more of associated item listed
Combination, and including these combinations.
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
In subsequent description, it is only using the suffix for indicating such as " module ", " component " or " unit " of element
Be conducive to explanation of the invention, itself there is no a specific meaning.Therefore, " module ", " component " or " unit " can mix
Ground uses.
Client can be implemented in a variety of manners.For example, terminal described in the present invention may include such as mobile phone, put down
It is plate computer, laptop, palm PC, personal digital assistant (Personal Digital Assistant, PDA), convenient
Formula media player (Portable Media Player, PMP), navigation device, wearable device, Intelligent bracelet, pedometer etc.
The fixed terminals such as mobile terminal, and number TV, desktop computer.
Embodiment one
A kind of fixed time broadcast method of digit broadcasting system as shown in Figure 1, the deployment file in broadcast system service device
Server, the broadcast system service device is by the instruction path transmission timing broadcasting tasks information between broadcasting equipment to described
Broadcasting equipment；The broadcasting equipment downloads file by the file server disposed in broadcast system service device, to receiving
To fixed time broadcast mission bit stream parsed, obtain corresponding file to be downloaded information, check local storage and under
Part of publishing papers carries out consistency checking, then filters the file data downloaded, broadcasting equipment in all file to be downloaded information
Other files are downloaded by the file server again；Broadcasting equipment uses Network Time Protocol (Network Time
Protocol time synchronization) is carried out with broadcast system service device, when broadcasting equipment judges to play beginning according to fixed time broadcast task
Between whether reach, if so, reading corresponding document content by preset order and decoding, play.
The file server is HTTP file server, and the communication of the broadcasting equipment, institute are carried out by http protocol
Stating HTTP file server includes that TSS file management device and Virtual File System (Virtual File System) provide
Document classification and switching file index catalog function.
Further, the broadcasting equipment parses the fixed time broadcast mission bit stream received, obtains corresponding
File to be downloaded information further comprise: in the mission bit stream comprising audio file download link and file MD5 value,
Broadcasting equipment carries out consistency checking to downloaded file by verification MD5 value.
Further, the fixed time broadcast task includes with properties: when audio file list, task start to play
Between, task duplication attribute, task volume, broadcasting equipment inventory.
Further, fixed time broadcast task further comprises task priority attribute, when multiple tasks play time section
When overlapping, by broadcasting equipment task priority based on the received, the high playing task of execution priority.
As described above, the present invention by compiling fixed time broadcast task in advance in broadcast system, wherein fixed time broadcast task
Comprising with properties: audio file list, task broadcast start time, task duplication attribute, task volume, task priority,
Broadcasting equipment inventory.After fixed time broadcast task creation, mission bit stream is sent broadcasting equipment by server.Broadcasting equipment, which receives, appoints
After information of being engaged in, audio file in active downloading task is simultaneously saved in local storage.Broadcasting equipment starts to broadcast according to task
Time arrival is put, active starts broadcasting audio file list.
Broadcasting equipment needs timing to carry out time synchronization with server, and the fixed time broadcast between broadcasting equipment may be implemented in this way
Tasks synchronization plays.
Task duplication attribute refers to the periodic task for needing to be spaced that certain period repeats playing, such as plays one daily
It is secondary, it plays weekly primary.
Task priority is used for the preferential judgement for broadcasting task when two task play time sections are overlapped.Equipment according to
Task priority broadcasts the high task of priority.
Preferably for the deployment in broadcast system service device, other types of file server can be used, such as ftp text
Part server is built, and other types of file download protocol can be used, such as ftp agreement.
Preferably for the method for calibration of downloading file, in the present embodiment, other HASH signatures can be used to replace file
MD5 value, such as SHA1.
Embodiment two
A kind of fixed time broadcast device of digit broadcasting system is present embodiments provided, as shown in Fig. 2, including broadcasting server
And the broadcasting equipment connecting with server, broadcasting server include: server communication module, are disposed in broadcast system service device
File server, the broadcast system service device by the instruction path transmission timing broadcasting tasks information between broadcasting equipment extremely
The broadcasting equipment；The broadcasting equipment includes: download module, for the file by disposing in broadcast system service device
Server downloads file；Parsing module obtains accordingly under for parsing to the fixed time broadcast mission bit stream received
Carry the file information；File verification and filtering module execute and check local storage and carry out consistency checking to downloaded file
Function, and the file data downloaded is being filtered in all file to be downloaded information, broadcasting equipment passes through the file again and takes
Business device downloads other files；Broadcasting equipment time synchronization module, by using Network Time Protocol (Network Time
Protocol time synchronization) is carried out with broadcast system service device, when broadcasting equipment judges to play beginning according to fixed time broadcast task
Between whether reach, if so, reading corresponding document content by preset order and decoding, play.
Further, the server communication module, file server therein are HTTP file server, are passed through
Http protocol carries out the communication of the broadcasting equipment, including TSS file management device and Virtual File System (Virtual
File System) document classification switching file index catalog function is provided.
Further, the file verification and filtering module parse the fixed time broadcast mission bit stream received,
Obtaining corresponding file to be downloaded information further comprises: including the download link and file of audio file in the mission bit stream
MD5 value, broadcasting equipment by verification MD5 value to downloaded file carry out consistency checking.
Further, the fixed time broadcast task includes with properties: when audio file list, task start to play
Between, task duplication attribute, task volume, broadcasting equipment inventory.
Further, fixed time broadcast task further comprises task priority attribute, when multiple tasks play time section
When overlapping, by broadcasting equipment, task priority, execution play the high task of priority based on the received.
Broadcasting equipment downloading timed task audio file is saved in local caches, reads sound when reaching task play time
Frequency file simultaneously decodes broadcasting.
In the present embodiment, broadcasting equipment and server carry out time synchronization, guarantee that the synchronous of timed task is broadcasted.Periodically
It include task priority information in mission bit stream, it is excellent according to task by broadcasting equipment when the overlapping of multiple tasks play time section
First grade plays the high task of priority.
Meanwhile comprising the playing sequence of audio file in timing task information, broadcasting equipment plays audio file in order.
The MD5 value of download link and file in timing task information comprising audio file, broadcasting equipment check memory
In the MD5 value of audio file downloaded, filter the audio file downloaded.Equipment only needs to download in local storage not deposit
Audio file.
It will be understood by those skilled in the art that embodiments herein can provide as method, system or computer program product.
Therefore, complete hardware embodiment, complete software embodiment or embodiment combining software and hardware aspects can be used in the application
Form.It is deposited moreover, the application can be used to can be used in the computer that one or more wherein includes computer usable program code
The shape for the computer program product implemented on storage media (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.)
Formula.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from
In the case where range, many changes and modifications can be carried out.Therefore, be intended to foregoing detailed description be considered as it is illustrative and
It is unrestricted, and it is to be understood that following following claims (including all equivalents) is intended to limit spirit and model of the invention
It encloses.The above embodiment is interpreted as being merely to illustrate the present invention rather than limit the scope of the invention.It is reading
After the content of record of the invention, technical staff can be made various changes or modifications the present invention, these equivalence changes and
Modification equally falls into the scope of the claims in the present invention.
Claims (10)
1. a kind of fixed time broadcast method of digit broadcasting system, which is characterized in that deployment file takes in broadcast system service device
It is engaged in device, the broadcast system service device is by the instruction path transmission timing broadcasting tasks information between broadcasting equipment to described wide
Broadcast equipment；The broadcasting equipment downloads file by the file server disposed in broadcast system service device, to receiving
Fixed time broadcast mission bit stream parsed, obtain corresponding file to be downloaded information, check local storage and to having downloaded
File carries out consistency checking, the file data downloaded then is filtered in all file to be downloaded information, broadcasting equipment is again
Other files are downloaded by the file server；Broadcasting equipment uses Network Time Protocol (Network Time
Protocol time synchronization) is carried out with broadcast system service device, when broadcasting equipment judges to play beginning according to fixed time broadcast task
Between whether reach, if so, reading corresponding document content by preset order and decoding, play.
2. a kind of fixed time broadcast method of digit broadcasting system as described in claim 1, which is characterized in that the file service
Device is HTTP file server, the communication of the broadcasting equipment is carried out by http protocol, the HTTP file server includes
TSS file management device and Virtual File System (Virtual File System) provide document classification and switching file rope
Draw catalog function.
3. a kind of fixed time broadcast method of digit broadcasting system as claimed in claim 2, which is characterized in that the broadcast is set
Standby to parse to the fixed time broadcast mission bit stream received, obtaining corresponding file to be downloaded information further comprises: described
The MD5 value of download link and file in mission bit stream comprising audio file, broadcasting equipment are published papers by verification MD5 value to lower
Part carries out consistency checking.
4. a kind of fixed time broadcast method of digit broadcasting system as claimed in claim 3, which is characterized in that the fixed time broadcast
Task is the timed task compiled in advance in digit broadcasting system, and comprising with properties: audio file list, task start to play
Time, task duplication attribute, task volume, broadcasting equipment inventory.
5. a kind of fixed time broadcast method of digit broadcasting system as claimed in claim 4, which is characterized in that fixed time broadcast task
It further comprise task priority attribute, when the overlapping of multiple tasks play time section, based on the received by broadcasting equipment
Task priority, the high playing task of execution priority.
6. a kind of fixed time broadcast device of digit broadcasting system, including broadcasting server and the broadcasting equipment being connect with server,
It is characterized in that, broadcasting server includes: server communication module, file server, institute are disposed in broadcast system service device
It states broadcast system service device and passes through the instruction path transmission timing broadcasting tasks information between broadcasting equipment to the broadcasting equipment；
The broadcasting equipment includes: download module, for publishing papers under the file server by disposing in broadcast system service device
Part；Parsing module obtains corresponding file to be downloaded information for parsing to the fixed time broadcast mission bit stream received；
File verification and filtering module, execute check local storage and to downloaded file carry out consistency checking function, and
The file data downloaded is filtered in all file to be downloaded information, it is other that broadcasting equipment passes through the file server downloading again
File；Broadcasting equipment time synchronization module, by using Network Time Protocol (Network Time Protocol) and broadcast system
Server of uniting carries out time synchronization, and broadcasting equipment judges whether play start time reaches according to fixed time broadcast task, if so,
Corresponding document content is read by preset order and is decoded, is played.
7. a kind of fixed time broadcast device of digit broadcasting system as claimed in claim 6, which is characterized in that the server is logical
News module further comprises: file server is HTTP file server, carries out the logical of the broadcasting equipment by http protocol
News, including TSS file management device and Virtual File System (Virtual File System) provide document classification switching
File index catalog function.
8. a kind of fixed time broadcast device of digit broadcasting system as claimed in claim 7, which is characterized in that the file verification
And filtering module, the fixed time broadcast mission bit stream received is parsed, it is further to obtain corresponding file to be downloaded information
It include: the MD5 value of the download link and file in the mission bit stream comprising audio file, broadcasting equipment passes through verification MD5 value
Consistency checking is carried out to downloaded file.
9. a kind of fixed time broadcast device of digit broadcasting system as claimed in claim 8, which is characterized in that the fixed time broadcast
Task includes with properties: audio file list, task broadcast start time, task duplication attribute, task volume, broadcasting equipment
Inventory.
10. a kind of fixed time broadcast device of digit broadcasting system as claimed in claim 9, which is characterized in that fixed time broadcast is appointed
Business further comprises task priority attribute, when the overlapping of multiple tasks play time section, as broadcasting equipment according to received by
Task priority, execute and play the high task of priority.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910427499.7A CN110166550B (en) | 2019-05-22 | 2019-05-22 | Timing broadcasting method and device of digital broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910427499.7A CN110166550B (en) | 2019-05-22 | 2019-05-22 | Timing broadcasting method and device of digital broadcasting system |
Publications (2)
| Publication Number | Publication Date |
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| CN110166550A true CN110166550A (en) | 2019-08-23 |
| CN110166550B CN110166550B (en) | 2022-03-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201910427499.7A Active CN110166550B (en) | 2019-05-22 | 2019-05-22 | Timing broadcasting method and device of digital broadcasting system |
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| CN111462744A (en) * | 2020-04-02 | 2020-07-28 | 深圳创维－Rgb电子有限公司 | Voice interaction method and device, electronic equipment and storage medium |
| CN111865458A (en) * | 2020-07-09 | 2020-10-30 | 合肥赛为智能有限公司 | Subway broadcasting system timing playing method based on multi-instruction multi-cycle |
| CN112688750A (en) * | 2020-12-09 | 2021-04-20 | 福建新大陆通信科技股份有限公司 | Emergency broadcasting terminal timing broadcasting method |
| CN113364548A (en) * | 2020-03-06 | 2021-09-07 | 合肥申祥灵聘科技有限公司 | Campus broadcast pushing equipment for second classroom and pushing method thereof |
| CN115459869A (en) * | 2022-10-27 | 2022-12-09 | 广州市保伦电子有限公司 | Synchronous broadcasting method, broadcasting equipment and system based on FM (frequency modulation) transceiver module |
| CN116938372A (en) * | 2023-07-25 | 2023-10-24 | 广东保伦电子股份有限公司 | Method and device for rapidly configuring broadcast timing task based on time axis |
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| CN116938372A (en) * | 2023-07-25 | 2023-10-24 | 广东保伦电子股份有限公司 | Method and device for rapidly configuring broadcast timing task based on time axis |
| CN116938372B (en) * | 2023-07-25 | 2024-03-12 | 广东保伦电子股份有限公司 | Method and device for rapidly configuring broadcast timing task based on time axis |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110166550B (en) | 2022-03-18 |
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Denomination of invention: A timing broadcasting method and device for digital broadcasting system Effective date of registration: 20221230 Granted publication date: 20220318 Pledgee: Agricultural Bank of China Limited Changsha Furong District Sub-branch Pledgor: HUNAN COMTOM ELECTRONIC TECHNOLOGY CO.,LTD. Registration number: Y2022980029886 |