CN107295355A - A kind of audio frequency and video total system and method - Google Patents
A kind of audio frequency and video total system and method Download PDFInfo
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- CN107295355A CN107295355A CN201710713345.5A CN201710713345A CN107295355A CN 107295355 A CN107295355 A CN 107295355A CN 201710713345 A CN201710713345 A CN 201710713345A CN 107295355 A CN107295355 A CN 107295355A
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- 238000012423 maintenance Methods 0.000 abstract description 4
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Classifications
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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
- H04N21/242—Synchronization processes, e.g. processing of PCR [Program Clock References]
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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
- H04N21/21—Server components or server architectures
- H04N21/218—Source of audio or video content, e.g. local disk arrays
- H04N21/2187—Live feed
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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
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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
- H04N21/43—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
- H04N21/4302—Content synchronisation processes, e.g. decoder synchronisation
- H04N21/4307—Synchronising the rendering of multiple content streams or additional data on devices, e.g. synchronisation of audio on a mobile phone with the video output on the TV screen
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- Television Signal Processing For Recording (AREA)
- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
Abstract
The present invention relates to a kind of audio frequency and video total system and method, the system includes：Video monitor module, monitors the vision signal of collection；Audio select module, monitors the audio signal of collection；Video editing module, edlin is entered to multi-channel video signal in real time, forms target picture；Video encoding module, is to carry out real-time coding (H264) to the picture after editor to record a video for postorder or live；Audio coding module, AAC codings and G711 codings are carried out to audio signal respectively, are respectively supplied to video recording and live；First audio-visual synchronization module is special to record a video；Second audio-visual synchronization module is live special, picture recording module, is that (H264) frequency write-in PM4 files in real time are regarded to sound after synchronization (AAC), live module is live on line in real time within the specific limits using proprietary protocol.Technical scheme, collection, editor, coding, video recording and the function live on line of audio frequency and video are realized with software approach, and functional integration is high, and renewal upgrade maintenance cost is low, and application is wider.
Description
Technical field
The present invention relates to audio frequency and video processing technology field, and in particular to a kind of audio frequency and video total system and method.
Background technology
Video recording refers to record image with methods such as optics, electromagnetism, also refers to the image recorded.
Radio and television dictionary is defined as to live, and " later stage (haobc) synthesis, the broadcast of broadcast TV program are carried out simultaneously
Broadcast way ".It can be divided into the forms such as on-the-spot broadcasting and broadcasting studio or studio broadcast by occasion is broadcasted.Live telecast be
Scene, with the generation, development process making simultaneously and the broadcast way for broadcasting TV programme of event, is to fully demonstrate broadcast electricity
Depending on the broadcast way of media transmission advantage.
At present, the network media itself does not have also accurate abstract to go out defining for network direct broadcasting, for convenience, might as well reference
Dissemination and the concept of live telecast give network direct broadcasting next simple definition：Generation, development at the scene with event
Process Synchronization makes and released news, the information network published method with the process of two-way circulating.Its form can also be divided into scene
Live, studio talk-show live, word and picture live broadcast, video and audio live broadcast provide the live of information source by TV (third party)；
And possess mass memory, search easily function.
In the prior art, high definition (720p/1080p) video recording and it is live be all by hard-wired, for example：Utilize shooting
Machine gathers the vision signal of video source, and the audio signal of audio-source is gathered using microphone, video camera is adopted using video-frequency monitor
The vision signal of collection plays out display, and the audio signal gathered using audio select device microphone, which is played out, to be listened to, and is utilized
Video encoder is encoded to vision signal, and audio signal is encoded using audio coder, utilizes audio-visual synchronization
Module is synchronized to audio signal and vision signal, the above-mentioned video-frequency monitor referred to, audio select device, Video coding
Device, audio coder etc. all with the presence of corresponding hardware device, when user needs to record a video and be live, are needed in the prior art
These hardware devices are erected to come, video recording are then carried out and live.
In the prior art, this use hardware device carries out video recording and live shortcoming is：1st, equipment occupation space face
Product is big, and use environment is required.2nd, because equipment is more, power consumption is big, not enough energy-conservation.3rd, when device hardware updates upgrading, sometimes
Wait due to hardware compatibility problem, it is necessary to carry out overall replacement, use cost is high.4th, device hardware maintenance cost is high, carries inconvenience,
So that application is limited.
The content of the invention
In view of this, it is an object of the invention to overcome the deficiencies of the prior art and provide a kind of audio frequency and video integrated treatment system
System and method, collection, editor, coding, video recording and the function live on line of audio frequency and video are realized with software approach.
To realize object above, the present invention is adopted the following technical scheme that：
A kind of audio frequency and video total system, including：
Video monitor module, for monitoring the multi-channel video signal collected；
Audio select module, for monitoring the multipath audio signal collected；
Video editing module, for carrying out real-time edition to the multi-channel video signal monitored, to form target picture；
Video encoding module, for carrying out real-time H264 Video codings to the target picture after editor, for follow-up video recording
Or live use；
Audio coding module, AAC high-fidelities coding and low code stream G711 are carried out for the audio signal to being monitored respectively
Coding；
First audio-visual synchronization module, for the audio letter after synchronous H264 encoded videos and AAC high-fidelities coding
Number, obtain the video recording audio/video flow after synchronization；
Second audio-visual synchronization module, for the audio letter after synchronous H264 encoded videos and low code stream G711 codings
Number, obtain the live audio/video flow after synchronization；
Picture recording module, for the video recording audio/video flow after synchronization to be written into PM4 files in real time；
Live module, for the live audio/video flow after synchronization to be carried out into Real-time Network within a preset range using preset protocol
It is upper live.
Preferably, the multi-channel video signal is acquired by network digital camera.
Preferably, the multipath audio signal is gathered by microphone with the computer with sound card, or passes through microphone and network
Digital camera is gathered.
Preferably, the video editing module is realized based on assembler language.
Preferably, the video encoding module is realized based on FFMPEG code databases.
Preferably, the video encoding module is provided with multiple control interfaces, including：Bite rate control interface, quality control
Interface, delays time to control interface and resolution ratio control interface.
Preferably, the entrance of the video encoding module is I420 data stream formats, and outlet data is H264 data flow lattice
Formula.
Preferably, the first audio-visual synchronization module, on the basis of the audio signal after AAC high-fidelities coding, simultaneously
Using fixed frame per second algorithm, when base synchronized algorithm interleave, frame losing are carried out to H264 encoded videos, it is ensured that audio-visual synchronization,
Obtain the video recording audio/video flow after synchronization.
Preferably, the second audio-visual synchronization module, on the basis of the audio signal after low code stream G711 codings, simultaneously
Using fixed frame per second algorithm, when base synchronized algorithm interleave, frame losing are carried out to H264 encoded videos, it is ensured that audio-visual synchronization,
Obtain the live audio/video flow after synchronization.
A kind of audio frequency and video integrated conduct method, applied in above-mentioned audio frequency and video total system, including：
The vision signal that step S1, monitoring are collected, while listening for the audio signal collected；
Step S2, the multi-channel video signal progress real-time edition to being monitored, to form target picture；
Step S3, real-time H264 Video codings are carried out to the target picture after editor, for follow-up video recording or live made
With；
Step S4, the audio signal monitored is carried out respectively AAC high-fidelities coding and low code stream G711 coding；
Audio signal after step S5, synchronization H264 encoded videos and AAC high-fidelities coding, obtains the record after synchronization
As audio/video flow；
Audio signal after step S6, synchronization H264 encoded videos and low code stream G711 codings, is obtained after synchronization
Live audio/video flow；
Step S7, the video recording audio/video flow after synchronization is written to PM4 files in real time；
Step S8, using preset protocol the live audio/video flow after synchronization is carried out on Real-time Network within a preset range it is straight
Broadcast.
The present invention uses above technical scheme, at least possesses following beneficial effect：
It is understood that this audio frequency and video total system and method that the present invention is provided, video monitor module, sound
Frequency monitors module, video editing module, video encoding module, audio coding module, the first audio-visual synchronization module and the second sound
Audio video synchronization module all realized by Software Coding, compared with prior art in, audio frequency and video video recording and live skill are realized by hardware
Art scheme, the technical scheme that the present invention is provided, cost is low, deployment is convenient, and application is wider, and later maintenance upgrade cost
It is low, simple to operate.
In addition, this audio frequency and video total system and method that the present invention is provided, due to being integrated with video recording and live work(
Can, it is possible to relayed and live while carrying out video recording, the different software systems without being respectively mounted, functional integration is higher,
Customer experience degree is high.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
A kind of schematic block diagram for audio frequency and video total system that Fig. 1 provides for one embodiment of the invention；
A kind of schematic flow sheet for audio frequency and video integrated conduct method that Fig. 2 provides for one embodiment of the invention.
Embodiment
To make the object, technical solutions and advantages of the present invention clearer, technical scheme will be carried out below
Detailed description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are resulting on the premise of creative work is not made to be owned
Other embodiment, belongs to the scope that the present invention is protected.
Below by drawings and examples, technical scheme is described in further detail.
A kind of audio frequency and video total system provided referring to Fig. 1, one embodiment of the invention, including：
Video monitor module 1, for monitoring the multi-channel video signal collected；
Audio select module 2, for monitoring the multipath audio signal collected；
Video editing module 3, for carrying out real-time edition to the multi-channel video signal monitored, to form target picture；
Video encoding module 4, for carrying out real-time H264 Video codings to the target picture after editor, for follow-up video recording
Or live use；
Audio coding module 5, AAC high-fidelities coding and low code stream G711 are carried out for the audio signal to being monitored respectively
Coding；
First audio-visual synchronization module 6, for the audio letter after synchronous H264 encoded videos and AAC high-fidelities coding
Number, obtain the video recording audio/video flow after synchronization；
Second audio-visual synchronization module 7, for the audio after synchronous H264 encoded videos and low code stream G711 codings
Signal, obtains the live audio/video flow after synchronization；
Picture recording module 8, for the video recording audio/video flow after synchronization to be written into PM4 files in real time；
Live module 9, for being carried out the live audio/video flow after synchronization within a preset range in real time using preset protocol
It is live on line.
It should be noted that：
1st, video monitor module, this module equivalent to four road hard edit machines monitoring section, it is cleverer than hardware monitoring
Work is changeable.
2nd, video editing module, this module provides the user real-time edition function, and final goal picture can be single screen, draws
Middle picture or many picture compositions, and more editting functions can be increased according to user's request.
3rd, audio coding module is divided into special and live special, special use AAC high-fidelities coding of recording a video of recording a video, live special
Encoded with using low code stream 711；Video encoding module be divided into video recording it is special and live special, its main distinction is live coding
Quality and resolution ratio are reduced relative to video recording coding.
4th, the first audio-visual synchronization module and the second audio-visual synchronization module, audio-visual synchronization is one in live or video recording
Individual difficult point, especially in a network environment, the stability of network directly influence the synchronization that sound is regarded.Because this module is based on soft
Part is realized, so the synchronization to audio frequency and video can use more flexible algorithm, on the premise of on the basis of audio frame, while using
Fixed frame per second algorithm, when base synchronized algorithm, interleave frame losing is carried out to video in time, it is ensured that audio-visual synchronization.
5th, picture recording module, because key technology-audio-visual synchronization of video recording has special module completion, so here
Data need to be write by video file format.
6th, above modules processing data all in oneself independent thread, all data by ephemeral data, chained list,
Queue storing data, correlation module is cooperated by synchronous event mechanism.
It is understood that this audio frequency and video total system that the present invention is provided, video monitor module, audio select
Module, video editing module, video encoding module, audio coding module, the first audio-visual synchronization module and the second audio frequency and video are same
Step module all realized by Software Coding, compared with prior art in, audio frequency and video video recording and live technical scheme are realized by hardware,
The technical scheme that the present invention is provided, cost is low, deployment is convenient, and application is wider, and later maintenance upgrade cost is low, operation letter
It is single.
In addition, this audio frequency and video total system that the present invention is provided, due to being integrated with video recording and direct broadcast function, so
Video recording can be carried out simultaneously to relay and live, the different software systems without being respectively mounted, functional integration is higher, customer experience
Degree is high.
Preferably, the multi-channel video signal is acquired by network digital camera.
Preferably, the multipath audio signal is gathered by microphone with the computer with sound card, or passes through microphone and network
Digital camera is gathered.
Preferably, the video editing module 3 is realized based on assembler language.
It is understood that in order to reach live effect, video editing module is write using assembler language, picture resolution
In the case of 1080p, it may insure that every frame synthesis average time is no more than 30 μ s in 8G internal memories, I7-6900CPU environment.
Preferably, the video encoding module 4 is realized based on FFMPEG code databases.
Preferably, the video encoding module 4 is provided with multiple control interfaces, including：Bite rate control interface, quality control
Interface, delays time to control interface and resolution ratio control interface.
Preferably, the entrance of the video encoding module 4 is I420 data stream formats, and outlet data is H264 data flow lattice
Formula.
By it was verified that picture resolution be 1080p in the case of, the video in 8G internal memories, I7-6900CPU environment
Coding module is able to ensure that every frame video signal coding duration is no more than 20ms.
Preferably, the first audio-visual synchronization module 6, on the basis of the audio signal after AAC high-fidelities coding, simultaneously
Using fixed frame per second algorithm, when base synchronized algorithm interleave, frame losing are carried out to H264 encoded videos, it is ensured that audio-visual synchronization,
Obtain the video recording audio/video flow after synchronization.
Preferably, the second audio-visual synchronization module 7, on the basis of the audio signal after low code stream G711 codings, together
Shi Caiyong fix frame per second algorithm, when base synchronized algorithm interleave, frame losing are carried out to H264 encoded videos, it is ensured that audio frequency and video are same
Step, obtains the live audio/video flow after synchronization.
Referring to Fig. 2, the invention also provides a kind of audio frequency and video integrated conduct method, applied to above-mentioned audio frequency and video General Office
In reason system, including：
The vision signal that step S1, monitoring are collected, while listening for the audio signal collected；
Step S2, the multi-channel video signal progress real-time edition to being monitored, to form target picture；
Step S3, real-time H264 Video codings are carried out to the target picture after editor, for follow-up video recording or live made
With；
Step S4, the audio signal monitored is carried out respectively AAC high-fidelities coding and low code stream G711 coding；
Audio signal after step S5, synchronization H264 encoded videos and AAC high-fidelities coding, obtains the record after synchronization
As audio/video flow；
Audio signal after step S6, synchronization H264 encoded videos and low code stream G711 codings, is obtained after synchronization
Live audio/video flow；
Step S7, the video recording audio/video flow after synchronization is written to PM4 files in real time；
Step S8, using preset protocol the live audio/video flow after synchronization is carried out on Real-time Network within a preset range it is straight
Broadcast.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance.Term " multiple " refers to
Two or more, unless otherwise clear and definite restriction.
Claims (10)
1. a kind of audio frequency and video total system, it is characterised in that including：
Video monitor module, for monitoring the multi-channel video signal collected；
Audio select module, for monitoring the multipath audio signal collected；
Video editing module, for carrying out real-time edition to the multi-channel video signal monitored, to form target picture；
Video encoding module, for carrying out real-time H264 Video codings to the target picture after editor, for follow-up video recording or
It is live to use；
Audio coding module, AAC high-fidelities coding and low code stream G711 codings are carried out for the audio signal to being monitored respectively；
First audio-visual synchronization module, for the audio signal after synchronous H264 encoded videos and AAC high-fidelities coding, is obtained
Video recording audio/video flow after to synchronization；
Second audio-visual synchronization module, for the audio signal after synchronous H264 encoded videos and low code stream G711 codings,
Obtain the live audio/video flow after synchronization；
Picture recording module, for the video recording audio/video flow after synchronization to be written into PM4 files in real time；
Live module is straight on Real-time Network for being carried out the live audio/video flow after synchronization within a preset range using preset protocol
Broadcast.
2. audio frequency and video total system according to claim 1, it is characterised in that the multi-channel video signal passes through net
Network digital camera is acquired.
3. audio frequency and video total system according to claim 2, it is characterised in that the multipath audio signal passes through words
Cylinder and the computer collection with sound card, or gathered by microphone and network digital camera.
4. audio frequency and video total system according to claim 1, it is characterised in that the video editing module is based on converging
Language is compiled to realize.
5. audio frequency and video total system according to claim 1, it is characterised in that the video encoding module is based on
FFMPEG code databases are realized.
6. audio frequency and video total system according to claim 5, it is characterised in that the video encoding module is provided with
Multiple control interfaces, including：Bite rate control interface, quality control interface, delays time to control interface and resolution ratio control interface.
7. audio frequency and video total system according to claim 6, it is characterised in that the entrance of the video encoding module
For I420 data stream formats, outlet data is H264 data stream formats.
8. audio frequency and video total system according to claim 1, it is characterised in that the first audio-visual synchronization mould
Block, on the basis of the audio signal after AAC high-fidelities coding, while using fixed frame per second algorithm, when base synchronized algorithm to H264
Encoded video carries out interleave, frame losing, it is ensured that audio-visual synchronization, obtains the video recording audio/video flow after synchronization.
9. audio frequency and video total system according to claim 1, it is characterised in that the second audio-visual synchronization mould
Block, on the basis of the audio signal after low code stream G711 codings, while using fixed frame per second algorithm, when base synchronized algorithm to H264
Encoded video carries out interleave, frame losing, it is ensured that audio-visual synchronization, obtains the live audio/video flow after synchronization.
10. a kind of audio frequency and video integrated conduct method, applied to the audio frequency and video integrated treatment system described in any one of claim 1~9
In system, it is characterised in that including：
The vision signal that step S1, monitoring are collected, while listening for the audio signal collected；
Step S2, the multi-channel video signal progress real-time edition to being monitored, to form target picture；
Step S3, real-time H264 Video codings are carried out to the target picture after editor, for follow-up video recording or live used；
Step S4, the audio signal monitored is carried out respectively AAC high-fidelities coding and low code stream G711 coding；
Audio signal after step S5, synchronization H264 encoded videos and AAC high-fidelities coding, obtains the video recording sound after synchronization
Video flowing；
Audio signal after step S6, synchronization H264 encoded videos and low code stream G711 codings, obtains live after synchronization
Audio/video flow；
Step S7, the video recording audio/video flow after synchronization is written to PM4 files in real time；
Step S8, using preset protocol by the live audio/video flow after synchronization carry out within a preset range in real time it is live on line.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108206833A (en) * | 2018-01-11 | 2018-06-26 | 福建星网锐捷通讯股份有限公司 | Audio/video data transmission method and its system |
| CN109286601A (en) * | 2017-07-20 | 2019-01-29 | 腾讯科技（深圳）有限公司 | A kind of processing method and terminal, computer storage medium of medium stream information |
| CN112165643A (en) * | 2020-09-07 | 2021-01-01 | 青岛海信移动通信技术股份有限公司 | Communication terminal |
| CN113542806A (en) * | 2021-07-20 | 2021-10-22 | 北京达佳互联信息技术有限公司 | Video editing apparatus and video editing method |
| CN114222157A (en) * | 2021-12-22 | 2022-03-22 | 厦门视诚科技有限公司 | Multi-input signal portable broadcasting and stream pushing pre-monitoring system |
| CN115442638A (en) * | 2022-09-15 | 2022-12-06 | 浙江农业商贸职业学院 | Multimedia synchronous live broadcast system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140351860A1 (en) * | 2012-05-10 | 2014-11-27 | David W. Chen | Media synchronization within home network using set-top box as gateway |
| CN105430337A (en) * | 2015-11-23 | 2016-03-23 | 亳州师范高等专科学校 | Remote teaching live broadcast system |
| CN107370975A (en) * | 2016-05-12 | 2017-11-21 | 北京同步科技有限公司 | Multichannel dynamic recording system and method |
-
2017
- 2017-08-18 CN CN201710713345.5A patent/CN107295355A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140351860A1 (en) * | 2012-05-10 | 2014-11-27 | David W. Chen | Media synchronization within home network using set-top box as gateway |
| CN105430337A (en) * | 2015-11-23 | 2016-03-23 | 亳州师范高等专科学校 | Remote teaching live broadcast system |
| CN107370975A (en) * | 2016-05-12 | 2017-11-21 | 北京同步科技有限公司 | Multichannel dynamic recording system and method |
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