CN102970512A - Video conference recording control method and system - Google Patents
Video conference recording control method and system Download PDFInfo
- Publication number
- CN102970512A CN102970512A CN2012103115559A CN201210311555A CN102970512A CN 102970512 A CN102970512 A CN 102970512A CN 2012103115559 A CN2012103115559 A CN 2012103115559A CN 201210311555 A CN201210311555 A CN 201210311555A CN 102970512 A CN102970512 A CN 102970512A
- Authority
- CN
- China
- Prior art keywords
- mcu
- video
- packet
- meeting
- conference
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Abstract
The invention discloses a video conference recording control method and system. The video conference recording control method includes: the system is initialized and all video signal terminals are connected with a micro-programmed control unit (MCU); and when a conference starts, the MCU receives data packets transmitted by the video signal terminals and transmits the data packets to the corresponding video signal terminals, and simultaneously an exchanger already completing image mirroring obtains the data packets received by the MCU and the data packets transmitted by the MCU through the MCU, analyzes the obtained data packets to obtain media data flow and records the obtained media data flow. The video conference recording control method and system solve the problems of MCU resource occupation and video conference complexity and cost increasing appearing in the enrollment recording and broadcasting mode adopted by the existing conference content recording.
Description
Technical field
The present invention relates to the stream media technology field, be specifically related to a kind of control method and system of recorded video meeting.
Background technology
Along with popularizing and the fast development of audio frequency and video technology of Stream Media Application, recording and broadcasting system also develops to various fields from specialized broadcasting and TV field, be widely used in all trades and professions, such as various fields such as educational training, academic report, judicial court's trials, convenience and practicality that it brings are approved by users.
Traditional network type recorded broadcast equipment is subject to the encoding and decoding disposal ability, and the code stream that terminal equipment can only be compressed directly packing is recorded.But because terminal equipment is that adopt and off-gauge stream media technology, the file of recording like this can not choose at random as the ordinary video file in the process of playing and drag, the user can not add at any time meeting and watches behind the network live broadcast, the more important thing is that the user need to install the stream media format that the non-standard decoding software (plug-in unit) of producer's special use or cost plenty of time converts standard in all clients and issue when the program request file.And traditional this locality gathers the restriction that formula recorded broadcast equipment is subject to transmission range and the acquisition interface quantity of video signal wire rod, need to be each the terminal configuration hardware encoding equipment that may record, and increase the centralized control that server carries out one-to-many, virtually increased complexity and the equipment purchase cost of system.It is numerous that these two kinds of products all can not satisfy new recorded broadcast cybertimes client number, i.e. record is namely broadcast, and connects simply the application demand of simple operation.
Be that mode by affiliation realizes recorded broadcast function to video conference in the prior art, as shown in Figure 1, Fig. 1 is that the system that realizes the video conference recorded broadcast in the prior art forms structural representation.Each terminal of this system's conference participation and recorded broadcast are by multipoint control unit (MCU, Multipoint Control Unit) intercoms mutually, MCU is the necessaries that carries out the multiple spot video conference, major function is to finish processing and the exchange of multichannel audio-video frequency data flow, select source traffic to broadcast, multiple session control function etc. is provided.MCU has user's restriction of counting, and existing recording and broadcasting system is recorded with the mode conference participation of affiliation, takies the resource of MCU, and the bandwidth of meeting can affect meeting to a certain extent.
In addition, recorded broadcast is recorded by the mode of affiliation in the prior art, in view of being point-to-point meeting (supporting without MCU), can't carry out meeting records, single terminal is called in meeting and is not supported terminal incoming call more than 3 and 3, therefore, recorded broadcast of the prior art can only be carried out meeting to single terminal and records, as shown in Figure 2.
In sum, the video meeting system of prior art need to realize by the recorded broadcast of membership recording conference content, owing to need MCU to carry out the operations such as data interaction, media format conversion, therefore need to take the resource of MCU, thereby complexity and the cost of video conference have been increased, need simultaneously to have the personage of specialty to manage, increased maintenance cost, flexibility is relatively poor.Therefore, the technical scheme of the control of a kind of recorded video meeting of current needs solves the problems referred to above.
Summary of the invention
Technical problem to be solved by this invention provides a kind of control method and system of recorded video meeting, solve current membership recorded broadcast of conference content being recorded middle employing, there is the resource that takies MCU, causes increasing the complexity of video conference and the problem of cost.
In order to address the above problem, the invention provides a kind of control method of recorded video meeting, comprising:
System initialization is set up being connected of each video terminal and multipoint control unit MCU;
Video conference begins, the packet that described MCU receiving video terminal sends, and the forwarding data bag is given corresponding video terminal, the switch of having finished simultaneously mirror image obtains the packet of this MCU reception and the packet that this MCU transmits by MCU, the packet parsing of obtaining is obtained media data flow, the media data flow that obtains is recorded, finished the control to the recorded video meeting.
Further, said method also can comprise, described system initialization is set up the step that is connected of each video terminal and MCU, and comprising:
System initialization, set up the transmission control protocol channel between video terminal and the MCU, and carry out the message data communication, dispose simultaneously each video terminal and connect corresponding video source and audio-source, and arrange switch is obtained the packet that packet that MCU obtains and MCU transmit.
Further, said method can comprise that also described video conference begins, and also comprises:
Described MCU sends the beginning conference commands to each video terminal, and by each video terminal of agreement control connection H.323, the packet that the receiving video terminal sends, the forwarding data bag is given corresponding video terminal simultaneously; After MCU sent the meeting initiation command, the switch of having finished mirror image obtained the packet of this MCU reception and the packet that this MCU transmits by MCU simultaneously.
Further, said method also can comprise, when described video conference finished, described MCU sent and stops conference commands to each video terminal, and each video terminal is received to reply after the order of MCU and stopped the meeting response message.
Further, said method can comprise that also after described MCU sent and stops conference commands, described system stopped live and the operation of recording media file.
The invention also discloses a kind of control system of recorded video meeting, comprise a plurality of video terminals and multipoint control unit MCU, also comprise:
Switch, finish mirror image after, be used for obtaining the packet that packet that this MCU receives and this MCU transmit, the packet that obtains is resolved obtains media data flow and recording elements, the media data flow after being used for switch resolved is recorded.
Further, said system also can comprise, described switch after also being used for receiving that described MCU sends the meeting initiation command, obtains the packet of this MCU reception and the packet that this MCU transmits.
Further, said system also can comprise, described recording elements also for after receiving that described MCU sends the termination conference commands, stops operation live and that media file is recorded.
Compared with prior art, use the present invention, based on the switch image feature, when using MCU to transfer multipoint conference (can comprise a terminal or a plurality of terminal), do not take the MCU resource; In point-to-point meeting situation, do not affect under the condition that video conference normally holds, to the real-time recording storage of the audio, video data content of video conference, and can satisfy simultaneously online live, order video content of multiplex amount.The MediaPlayer player that meeting is live, program request all directly uses the Windows system to carry is play, and has effectively exempted when the user uses the inconvenience that various plug-in units bring will be installed, and has improved user's satisfaction.
Description of drawings
Fig. 1 is that the system that realizes the video conference recorded broadcast in the prior art forms structural representation;
Fig. 2 realizes in the prior art that the system that the separate unit terminal is recorded forms structural representation;
Fig. 3 is the flow chart of the control method of recorded video meeting of the present invention;
Fig. 4 is the structural representation of the control system of recorded video meeting of the present invention;
Fig. 5 is the structural representation that the video signal of a kind of point-to-point meeting in the example of the present invention is recorded.
Embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
In video conference, H.323 traditional recorded broadcast server by adopting or the agreement such as SIP, add meeting as a dumb terminal, record a meeting-place, just need to take the network bandwidth of one tunnel audio frequency and video and the meeting-place resource of a MCU and add meeting, it is very high to record cost.And main purpose of the present invention: record by the method that adopts switch mirror port Network Based to gather audio, video data, can evade above-mentioned problem, record when realizing in the video conference arbitrarily the meeting-place, and do not affect normal network service and conferencing resource in the video conference.
As shown in Figure 3, the control method of a kind of recorded video meeting of the present invention may further comprise the steps:
Step 310: system initialization, set up being connected of each video terminal and MCU;
System initialization is set up the transmission control protocol channel between video terminal and the MCU, and carries out the message data communication.
Wherein, need to be configured video terminal, connect corresponding video source and audio-source.
Wherein, during system initialization, need to obtain to switch the setting of the packet that packet that MCU obtains and MCU transmit.
Step 320: video conference begins, the packet that described MCU receiving video terminal sends, and the forwarding data bag is given corresponding video terminal, the switch of having finished simultaneously mirror image obtains the packet of this MCU reception and the packet that this MCU transmits by MCU, the packet parsing of obtaining is obtained media file, the media file that obtains is recorded, finished the control to the recorded video meeting.
Wherein, described video conference is the data agreement of being undertaken by each terminal of MCU centralized management platform incoming call.
When meeting began, MCU sent the beginning conference commands to each video terminal, by each video terminal of agreement control connection H.323, and the packet that sends of receiving video terminal, the forwarding data bag is given corresponding video terminal simultaneously;
When meeting adjourned, MCU send to stop conference commands to each video terminal, and each video terminal is received to reply after the order of MCU and stopped the meeting response message.
Wherein, after MCU sent the meeting initiation command, the switch of having finished mirror image began real-time recorded broadcast is carried out in meeting, and the packet that the packet that the MCU that obtains is received and MCU transmit carries out data to be processed in real time.
After MCU send to stop conference commands, that system stops was live, media file the operation such as record.
System will carry out data image from the packet that MCU obtains by switch, be transferred to recorded broadcast equipment with live, the program request that realizes media file and the management of media file.By MCU is obtained packet, do not take network bandwidth resources, for the process of real-time conferencing without any impact.
Wherein switch need have image feature, and does mirror image.
Data retransmission is to process by the mirror image of switch, and the data that are mirrored mouth are mirrored in the mirror port fully.
Wherein, the mirror port of the switch by finishing mirror image obtains the audio, video data bag of MCU side, and then records after resolving.
Fig. 4 is the composition structural representation of the control system of recorded video meeting of the present invention.
As shown in Figure 4, a kind of control system of recorded video meeting comprises a plurality of video terminals, MCU, switch and recording elements, wherein,
Switch, finish mirror image after, be used for obtaining the packet that packet that this MCU receives and this MCU transmit, the packet that obtains is resolved obtains media file;
Recording elements is used for the media file after the switch parsing is recorded, and is called for short recorded broadcast.
Described switch after also being used for receiving that described MCU sends the meeting initiation command, obtains the packet of this MCU reception and the packet that this MCU transmits.
Described recording elements also for after receiving that described MCU sends the termination conference commands, stops operation live and that media file is recorded.
As shown in Figure 4, each video terminal, MCU and recording elements connect by network, the interaction concept of video conference is: the video terminal that two or more are arranged, one or more main control unit is MCU, (a plurality of MCU mainly are for cascade), hold consultation by the network communication protocol connection, form a conference system.In this process, video terminal and MCU have data interaction in network, video conference recorded broadcast based on MCU packet capturing pattern namely utilizes video terminal and the MCU data in network, obtain corresponding audio/video information, unpack, decode, the sequence of operations such as coding and then record the process of lower whole video conference.
The mirror port of the switch of the present invention by finishing mirror image obtains end side audio, video data package informatin, and then records after resolving.
The present invention will be described below in conjunction with instantiation.
As shown in Figure 5, realize the structural representation that a kind of video signal of point-to-point meeting is recorded for the present invention.Except the most basic multipoint control unit MCU matches the solution of video conference terminal, also has a kind of point-to-point deployment scheme.This is the simplest mode during video conferencing system is disposed, and is applicable to only have the enterprise customer in two meeting-place.Specifically, two video conference terminals only need place respectively the two places meeting room, plug netting twine, realize point to point call by the Internet.Wherein a station terminal is connected with switch to be mirrored mouthful and is connected, recorded broadcast is connected with mirror port, when intercommunication is carried out in 2 meetings, the data that mirror port obtains are mirrored exactly mouthful data and get whole copying, thereby obtain corresponding audio/video information, unpack, decode, the sequence of operations such as coding and then record the process of lower whole video conference.
A kind of video signal method for recording that the present invention realizes obtains the mirror image data flow process by switch.At first, recorded broadcast is in running status, obtains network packet (also namely obtaining data by the switch mirror port) from MCU or end side, and MCU or terminal are in two states, and wherein a kind of state is to be in idle condition, does not namely call a meeting; Another kind is in the middle of the meeting immediately; Generally speaking, this two states is the process that mutually transforms, be that we can be by the analysis of this state, thereby know network packet, the network packet for obtaining need to be further analyzed, describe for example according to the relevant audio frequency and video agreement of existing agreement under H.323: routine video protocols H.264, audio protocols G.722, different agreements, the explanation of in the packet encapsulation form, having any different.If what get access to is effective audio, video data bag, carry out decoding, the cataloged procedure of audio, video data bag, purpose is in order to realize being fit to the video file that the user watches.In the process that data are processed, consider the polytropy of meeting, we have done special processing at this, namely begin to record, transfer early stage in the meeting process, although meeting is called, but real meeting does not begin, illustrate, MCU calls a meeting to terminal, and each terminal is joined, but the personnel in the middle of the meeting-place do not have here, the host does not begin to carry out the speech of meeting, and conference content during this period of time need not to record, so do not clicking in the situation that begins to record, packet remains unchanged in parsing but does not write real file, in case in the situation of selecting to begin to record, just carry out writing of data, write real video file; Time-out is recorded, and illustrates: participant's bait, but the terminal that MCU calls or point-to-point meeting do not finish, and data during this period of time are exactly nonsensical, can optionally record or suspend and record; Stop to record, the present invention considers in view of hommization, and this control interface is provided, and purpose is artificially to process meeting of approval and records and finish, and the method only represents to record end, but does not affect normally carrying out of meeting.
The present invention is a kind of by switch mirror image recorded broadcast major function; In view of the demand to current recorded broadcast function is followed the tracks of, be provided with the perfect recorded broadcast function management platform of a cover, first just provides real-time direct broadcast function, lively is divided into two kinds of situations, the first is clean culture, the form of clean culture, the advantage of clean culture is to watch smoothness, and the frame losing indemnifying measure is arranged, inferior position is, each player takies one tunnel bandwidth, and when a plurality of players were watched, bandwidth requirement was larger.The second is multicast, and multicast is in order to solve multi-user's unicast bandwidth problem, and shortcoming is not mend machine contracting system, has the loss of data phenomenon.Second provides recording function, and the follow-up on-demand playback that carries out is convenient in the embodiment of recorded broadcast major function, studio meeting.Considered user's experience of reality in the recording mode, can optionally carry out recording of meeting during the accent meeting, time-out is recorded, and restarts to record, and finishes the function of recording.The 3rd video management function: the invention provides editting function for recording the media file that gets off, the functions such as upload media file, downloads of media file, rename, deletion, in batches deletion, retrieval.
What the present invention realized is a kind of by switch mirror image recorded broadcast live broadcasting method; At first, recorded broadcast is in running status, obtains incessantly network packet from MCU side or end side (also namely obtaining data by the switch mirror port), and MCU or terminal are in two states, wherein a kind of state is to be in idle condition, does not namely call a meeting; Another kind is in the middle of the meeting immediately; Generally speaking, this two states is the process that mutually transforms, namely can be by the analysis of this state, thereby know network packet, the network packet for obtaining need to be further analyzed, describe for example according to existing relevant audio frequency and video agreement under H.323: routine video protocols H.264, audio protocols G.722, different agreements, the explanation of in the packet encapsulation form, having any different.If what get access to is effective audio, video data bag, judgement is packets of audio data or video packets of data, if packets of audio data is then carried out the decoding of packets of audio data, if video packets of data is then carried out the decoding of video packets of data; After the successfully decoded, decoded data are passed to the coding module processing of encoding, be fit to the media file that Windows Media Player player can be play-overed to form.After finishing, one section audio, video data coding can carry out online live watching.
As the front tell about, adopt a kind of video conference recorded broadcast service implementation method of the present invention and system, live, the recording and storing of audio, video data can be closely effectively accurately carried out to the video conference management system, recording streaming media file can be dynamically suspended, begin to record, stop.In the situation that does not affect video conference, can offer conveniently occupation mode of user, realize simply stablizing, for progradation has been played in the development of video conference.
The above; only for the better embodiment of the present invention, but protection scope of the present invention is not limited to this, anyly is familiar with the people of this technology in the disclosed technical scope of the present invention; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (8)
1. the control method of a recorded video meeting is characterized in that, comprising:
System initialization is set up being connected of each video terminal and multipoint control unit MCU;
Video conference begins, the packet that described MCU receiving video terminal sends, and the forwarding data bag is given corresponding video terminal, the switch of having finished simultaneously mirror image obtains the packet of this MCU reception and the packet that this MCU transmits by MCU, the packet parsing of obtaining is obtained media data flow, the media data flow that obtains is recorded, finished the control to the recorded video meeting.
2. the method for claim 1 is characterized in that,
Described system initialization is set up the step that is connected of each video terminal and MCU, and comprising:
System initialization, set up the transmission control protocol channel between video terminal and the MCU, and carry out the message data communication, dispose simultaneously each video terminal and connect corresponding video source and audio-source, and arrange switch is obtained the packet that packet that MCU obtains and MCU transmit.
3. the method for claim 1 is characterized in that,
Described video conference begins, and also comprises:
Described MCU sends the beginning conference commands to each video terminal, and by each video terminal of agreement control connection H.323, the packet that the receiving video terminal sends, the forwarding data bag is given corresponding video terminal simultaneously; After MCU sent the meeting initiation command, the switch of having finished mirror image obtained the packet of this MCU reception and the packet that this MCU transmits by MCU simultaneously.
4. the method for claim 1 is characterized in that,
Also comprise: when described video conference finished, described MCU sent and stops conference commands to each video terminal, and each video terminal is received to reply after the order of MCU and stopped the meeting response message.
5. method as claimed in claim 4 is characterized in that,
Further comprise: after described MCU sent and stops conference commands, described system stopped live and the operation of recording media file.
6. the control system of a recorded video meeting comprises a plurality of video terminals and multipoint control unit MCU, it is characterized in that, also comprises:
Switch, finish mirror image after, be used for obtaining the packet that packet that this MCU receives and this MCU transmit, the packet that obtains is resolved obtains media data flow and recording elements, the media data flow after being used for switch resolved is recorded.
7. the system as claimed in claim 1 is characterized in that,
Described switch after also being used for receiving that described MCU sends the meeting initiation command, obtains the packet of this MCU reception and the packet that this MCU transmits.
8. the method for claim 1 is characterized in that,
Described recording elements also for after receiving that described MCU sends the termination conference commands, stops operation live and that media file is recorded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103115559A CN102970512A (en) | 2012-08-28 | 2012-08-28 | Video conference recording control method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103115559A CN102970512A (en) | 2012-08-28 | 2012-08-28 | Video conference recording control method and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102970512A true CN102970512A (en) | 2013-03-13 |
Family
ID=47800359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012103115559A Pending CN102970512A (en) | 2012-08-28 | 2012-08-28 | Video conference recording control method and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102970512A (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070377A1 (en) * | 2013-11-12 | 2015-05-21 | 华为技术有限公司 | Multiparty call method and apparatus |
| CN105007448A (en) * | 2015-07-03 | 2015-10-28 | 苏州科达科技股份有限公司 | System and method for recording video conference |
| CN105306870A (en) * | 2014-07-09 | 2016-02-03 | 三亚中兴软件有限责任公司 | File processing methods and devices |
| CN105511906A (en) * | 2015-11-25 | 2016-04-20 | 苏州科达科技股份有限公司 | Automatic deploy method, device and system of video platform |
| CN105828011A (en) * | 2016-05-27 | 2016-08-03 | 华为技术有限公司 | Method, device and system for video record |
| CN106210764A (en) * | 2015-04-29 | 2016-12-07 | 北京视联动力国际信息技术有限公司 | The conjunction screen processing method of a kind of multichannel media stream and system |
| CN106210656A (en) * | 2016-08-23 | 2016-12-07 | 北京汉博信息技术有限公司 | A kind of monitor terminal for long-distance education |
| CN107277431A (en) * | 2017-08-02 | 2017-10-20 | 太仓美宅姬娱乐传媒有限公司 | A kind of video conference recording and VOD system |
| CN109788230A (en) * | 2018-12-17 | 2019-05-21 | 视联动力信息技术股份有限公司 | A kind of meeting recording method and device |
| CN110099241A (en) * | 2018-01-31 | 2019-08-06 | 北京视联动力国际信息技术有限公司 | A kind of transmission method and device of audio/video flow |
| CN111225188A (en) * | 2020-01-16 | 2020-06-02 | 北京东土科技股份有限公司 | Internet remote court trial implementation method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422079A (en) * | 2002-12-27 | 2003-06-04 | 北京鼎视通软件技术有限公司 | Multiple-picture output method and system |
| CN101626483A (en) * | 2008-07-07 | 2010-01-13 | 中兴通讯股份有限公司 | Method for fusing video conferphone system and internet protocol television system and video system |
| CN101771853A (en) * | 2010-01-29 | 2010-07-07 | 华为终端有限公司 | Method and device for playing conference content |
| CN102111604A (en) * | 2009-12-28 | 2011-06-29 | 杭州华三通信技术有限公司 | Conference recording method and conference recording system |
-
2012
- 2012-08-28 CN CN2012103115559A patent/CN102970512A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1422079A (en) * | 2002-12-27 | 2003-06-04 | 北京鼎视通软件技术有限公司 | Multiple-picture output method and system |
| CN101626483A (en) * | 2008-07-07 | 2010-01-13 | 中兴通讯股份有限公司 | Method for fusing video conferphone system and internet protocol television system and video system |
| CN102111604A (en) * | 2009-12-28 | 2011-06-29 | 杭州华三通信技术有限公司 | Conference recording method and conference recording system |
| CN101771853A (en) * | 2010-01-29 | 2010-07-07 | 华为终端有限公司 | Method and device for playing conference content |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015070377A1 (en) * | 2013-11-12 | 2015-05-21 | 华为技术有限公司 | Multiparty call method and apparatus |
| US10193794B2 (en) | 2013-11-12 | 2019-01-29 | Huawei Technologies Co., Ltd. | Multiparty call method and apparatus |
| CN105306870A (en) * | 2014-07-09 | 2016-02-03 | 三亚中兴软件有限责任公司 | File processing methods and devices |
| CN106210764A (en) * | 2015-04-29 | 2016-12-07 | 北京视联动力国际信息技术有限公司 | The conjunction screen processing method of a kind of multichannel media stream and system |
| CN105007448B (en) * | 2015-07-03 | 2018-11-06 | 苏州科达科技股份有限公司 | A kind of video recording system and method for video conference |
| CN105007448A (en) * | 2015-07-03 | 2015-10-28 | 苏州科达科技股份有限公司 | System and method for recording video conference |
| CN105511906A (en) * | 2015-11-25 | 2016-04-20 | 苏州科达科技股份有限公司 | Automatic deploy method, device and system of video platform |
| CN105511906B (en) * | 2015-11-25 | 2019-01-22 | 苏州科达科技股份有限公司 | A kind of video signal platform automatic deployment method, apparatus and system |
| CN105828011A (en) * | 2016-05-27 | 2016-08-03 | 华为技术有限公司 | Method, device and system for video record |
| CN105828011B (en) * | 2016-05-27 | 2019-02-01 | 华为软件技术有限公司 | A kind of methods, devices and systems of video record |
| CN106210656A (en) * | 2016-08-23 | 2016-12-07 | 北京汉博信息技术有限公司 | A kind of monitor terminal for long-distance education |
| CN107277431A (en) * | 2017-08-02 | 2017-10-20 | 太仓美宅姬娱乐传媒有限公司 | A kind of video conference recording and VOD system |
| CN110099241A (en) * | 2018-01-31 | 2019-08-06 | 北京视联动力国际信息技术有限公司 | A kind of transmission method and device of audio/video flow |
| CN109788230A (en) * | 2018-12-17 | 2019-05-21 | 视联动力信息技术股份有限公司 | A kind of meeting recording method and device |
| CN109788230B (en) * | 2018-12-17 | 2021-01-22 | 视联动力信息技术股份有限公司 | Conference recording method and device |
| CN111225188A (en) * | 2020-01-16 | 2020-06-02 | 北京东土科技股份有限公司 | Internet remote court trial implementation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102970512A (en) | Video conference recording control method and system | |
| CN100433826C (en) | Method and system for recording videoconference data | |
| CN103237191B (en) | The method of synchronized push audio frequency and video in video conference | |
| US7571210B2 (en) | Methods and systems for linking virtual meeting attendees over a network | |
| US8112774B2 (en) | On demand dynamic advertisement insertion in an internet protocol stream | |
| CN103686219B (en) | A kind of method, equipment and the system of video conference recorded broadcast | |
| CN101964904B (en) | Method for realizing live broadcast of television news by using wireless communication network | |
| CN102811368A (en) | Mobile video live broadcasting system | |
| CN102752667B (en) | Multi-stream media live broadcast interaction system and live broadcast interaction method | |
| CN102158690A (en) | Remote multichannel real-time video monitoring system | |
| CN104093088B (en) | Realize that adaptive stream media plays the system and method for control | |
| CN101889422A (en) | Be used to make the synchronous method and system of output of terminal | |
| CN101123527A (en) | A stream media system, signaling forward device and stream media transmission method | |
| US20140344854A1 (en) | Method and System for Displaying Speech to Text Converted Audio with Streaming Video Content Data | |
| CN110049273B (en) | Video networking-based conference recording method and transfer server | |
| CN109743524B (en) | Data processing method of video network and video network system | |
| WO2012021174A2 (en) | EXPERIENCE OR "SENTIO" CODECS, AND METHODS AND SYSTEMS FOR IMPROVING QoE AND ENCODING BASED ON QoE EXPERIENCES | |
| CN102185856B (en) | Team organizing video method, device and system used in team organizing game | |
| CN103841361A (en) | Communication method for integrating multiple conference systems under low bandwidth | |
| CN101083752A (en) | Method for displaying meeting place name of video conference and video terminal | |
| CN102438119B (en) | Audio/video communication system of digital television | |
| CN112311784A (en) | Screen projection system and screen projection method | |
| CN109714316B (en) | Audio mixing processing method of video network and video network system | |
| CN103905777A (en) | Meeting minute obtaining method and providing method, device and system | |
| CN203801040U (en) | Vehicle-mounted digital video system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20130313 |