CN101141617A - Session television on-demand system and method - Google Patents
Session television on-demand system and method Download PDFInfo
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- CN101141617A CN101141617A CNA2007101763024A CN200710176302A CN101141617A CN 101141617 A CN101141617 A CN 101141617A CN A2007101763024 A CNA2007101763024 A CN A2007101763024A CN 200710176302 A CN200710176302 A CN 200710176302A CN 101141617 A CN101141617 A CN 101141617A
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Abstract
The present invention discloses a conference television system having the video request function. The conference television system comprises a conference television management system, a MCU, a user terminal, and a streaming media server, a user accesses the conference television management system through a browser, a history conference record list is looked up, a conference wishful to be watched is clicked, the connection is established through the MCU and the streaming media server, then a TS code stream is obtained from the streaming media server through the MCU, and the conference is played after being de-multiplexed by the user. Simultaneously, the present invention also discloses a method for a conference television system request conference having the video request function. by adopting the system and the method of the present invention, the function of the video request can be realized, the user requests and watches a history conference when being needed, the ever increasing requirement of the user is met, and the function of the conference television system is enriched.
Description
Technical field
The present invention relates to video conference and video on demand techniques, relate in particular to a kind of video conferencing VOD system and order method thereof.
Background technology
Along with the continuous development of network and multimedia technology, telecommunications has been released the multimedia audiovisual conference technology that can transmit message forms such as live image, voice, application data simultaneously, just usually said video conferencing technology.TV conference system is meant and is used for two or more different local individual or colonies, by network and multimedia equipment, data, video, audio frequency is passed mutually, reaches immediately and communication interactively, to finish the system equipment of meeting purpose.Present TV conference system structure as shown in Figure 1, comprise: video conferencing management system, multipoint control unit (MCU, Multipoint Control Unit), user terminal, wherein, the video conferencing management system is used for and user interactions, be responsible for the service management of video conferencing, data, video, the audio frequency of real-time conferencing is transmitted to user terminal, user terminal provides audio frequency, video and the data communication of real time bidirectional; MCU is used for the bi-directional of data, audio frequency, video.
Existing TV conference system can only support real-time sound, image and documentation to pass mutually, can not realize looking back the function of leading portion conference content or more preceding conference content.Like this, during meeting, participate in a conference before personnel that have a say, needs speeches need be sitting in terminal on time, and some no rights to speak and do not need to make a speech but the personnel of needs understanding meeting details, also must interrupt oneself ongoing work and participate in a conference.So, need the personnel's of understanding meeting details operating time to arrange to bring inconvenience for these; Can not satisfy any user when participating in a conference or look back some more important segment of meeting after the meeting, so that understand the crucial of session discussing more accurately or make the demand of minutes more accurately.
In order to realize to the review of broadcast items, prior art has proposed the video request program (VOD at TV programme, Video On Demand) technology, be also referred to as the interactive television VOD system, this VOD system structure as shown in Figure 2, mainly comprise streaming media server and Streaming Media client terminal, streaming media server is used for media data flow is transferred to the Streaming Media client terminal, and the Streaming Media client terminal is used for that the media data flow that receives is carried out demultiplexing to be handled and play back.Video request program is the product of computer technology, network technology, multimedia technology development, broken away from the constraint that traditional tv is subjected to the space-time restriction, and the user can download at any time as required and want the program seen.
But at present the someone proposes scheme that video on demand techniques is combined with video conferencing as yet.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of video conferencing VOD system and order method thereof, makes the user can watch historical meeting at any time as required.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of video conferencing VOD system, this system comprise video conferencing management system, multipoint control unit MCU, user terminal, also comprise streaming media server, wherein,
The video conferencing management system is used for and user interactions, is responsible for the service management of video conferencing and the service management of streaming media server;
MCU, the forwarding and the processing of the data of responsible real-time conferencing, video, audio frequency are responsible for the receiving stream media server to transmit data, video, the audio frequency of the next meeting of stream TS code stream form transmission, and the TS code stream that receives is broadcast to the participant terminal;
Streaming media server is used for data, video, the audio frequency of the historical meeting of user institute program request are transferred to MCU with TS code stream form;
User terminal provides audio frequency, video and the data communication of real time bidirectional, is responsible for that the TS code stream is carried out demultiplexing and handles and play.
Further, described MCU also is responsible for sending data, video, the audio frequency of real-time conferencing to streaming media server with TS code stream form;
Accordingly, described streaming media server also is used for being responsible for data, video, the audio frequency of the real-time conferencing that store M CU sends with TS code stream form.
A kind of method with TV conference system vod session of video on-demand function, this method may further comprise the steps:
A, user send order request;
B, streaming media server pass through MCU broadcasts data, video, the audio frequency of user-selected meeting to the user terminal that proposes order request;
The historical meeting of C, user terminal play-on-demand.
Further, also comprise before the steps A:
User terminal sends the request that adds meeting to MCU, after MCU receives request, and the legitimacy of inspection user; After legitimate verification passes through, reply the request of user terminal, and connect with user terminal; Otherwise, the request of refusing user's terminal.
Further, steps A specifically comprises:
User capture video conferencing management system is selected to enter video request program VOD pattern, and is consulted historical minutes table, selects to want the historical meeting of program request.
Further, also comprise before the step B:
The video conferencing management system watches the request of historical meeting to pass to MCU the user, receive request after, MCU request connects with streaming media server; After streaming media server is received the request that MCU connects, the legitimacy of inspection user, legitimate verification passes through, and replys the MCU request, and connects with MCU, otherwise, refusing user's request.
Further, step B specifically comprises:
Streaming media server is transferred to MCU with data, video, the audio frequency of user-selected meeting with TS code stream form; The TS code stream that MCU receiving stream media server sends over, and with its user terminal broadcasting to the proposition order request.
Further, step C specifically comprises: user terminal receives the TS code stream, carries out playing behind the demultiplexing.
Further, this method further comprises: with the data of historical meeting, video, audio storage in streaming media server.
Further, described storage specifically may further comprise the steps:
After a, the adding meeting, the user logins the video conferencing management system, selects beginning recorded broadcast meeting, and the video conferencing management system is sent the request of recorded broadcast meeting to MCU;
After b, MCU receive the request of recorded broadcast meeting, send the request of opening channel to streaming media server; After streaming media server is received request, open channel, upgrade historical minutes table, and notice MCU opens the channel success;
C, MCU upgrade historical minutes table, and send data, video, the audio frequency of real-time conferencing to streaming media server with TS code stream form;
Data, video, the audio frequency of d, streaming media server storage meeting are until meeting adjourned or receive and stop recorded broadcast meeting message.
Video conferencing VOD system provided by the present invention and order method thereof have following advantage and characteristics:
1) TV conference system of the present invention is integrated video on demand techniques, make the user pass through native system and can watch historical meeting at any time as required, like this, no right to speak and do not need to make a speech but needs are understood the personnel of meeting details and just needn't be interrupted ongoing work and participate in a conference, and can pass through the content of vod session understanding meeting when needed;
2) user can be during vod session, at any time access that the program request page suspends, F.F., rewind down, operation such as stop, or withdraw from the program request state, get back in the real-time conferencing, can satisfy the user like this when participating in a conference or look back some more important segment of meeting after the meeting, so that understand the crucial of session discussing more accurately or make the demand of minutes more accurately, satisfied the growing demand of user, and enriched the TV conference system function;
3) user can freely record the meeting of holding by the recorded broadcast of session method that the present invention proposes;
4) user terminal can be selected different terminal equipments according to actual needs, not only selects flexibly, various, can be suitable for more environment for use, and can save cost under a stable condition.
Description of drawings
Fig. 1 is the structural representation of existing TV conference system;
Fig. 2 is the structural representation of interactive television VOD system;
Fig. 3 is the structural representation of video conferencing VOD system of the present invention;
Fig. 4 is the realization flow schematic diagram of video conferencing order method of the present invention;
Fig. 5 is the realization flow schematic diagram of recorded broadcast video conferencing of the present invention.
Embodiment
Basic thought of the present invention is: video on-demand function is integrated in the TV conference system, adopts the streaming media server in the video on demand techniques to store historical video conferencing content, extract from streaming media server sowing time so that the user puts.
Video conferencing VOD system structure of the present invention as shown in Figure 3, comprise video conferencing management system, MCU, user terminal, streaming media server, wherein, the video conferencing management system, inside is provided with the VOD pattern, and preserve historical minutes table, be used for and user interactions, be responsible for the service management of video conferencing and the service management of streaming media server;
MCU, the forwarding and the processing of the data of responsible real-time conferencing, video, audio frequency; Also when the recorded broadcast meeting, be responsible for data, video, audio frequency, send streaming media server to transmit (TS, Transport Stream) code stream form with real-time conferencing; When the meeting of program request history, the receiving stream media server transmits data, video, the audio frequency of the meeting that comes with TS code stream form, and the TS code stream that receives is broadcast to the user terminal of proposition order request.
Streaming media server, when the recorded broadcast meeting, data, video, the audio frequency of the real-time conferencing that store M CU sends with TS code stream form; When the historical meeting of program request, data, video, the audio frequency of user-selected historical meeting is transferred to MCU with TS code stream form.
User terminal provides audio frequency, video and the data communication of real time bidirectional, and is responsible for that the TS code stream is carried out demultiplexing and handles, and plays back.
User terminal can be a video conference terminal, also can select IPTV set-top box+television set as user terminal according to user right.If the user need participate in real-time conferencing and watch historical meeting, then select to provide audio frequency, video and the data communication of real time bidirectional, can carry out the video conference terminal of demultiplexing processing and broadcast as user terminal to the TS code stream; If the user does not need to participate in real-time conferencing, then can select IPTV set-top box+television set as user terminal, to save cost.
During vod session, user terminal adds meeting, visit video conferencing management system, and select to enter the VOD pattern, consult historical minutes table, select to want the historical meeting of program request; The video conferencing management system will watch the request of historical meeting to pass to MCU, and MCU is after the request of receiving, the access stream media server also connects with it; Streaming media server is transferred to MCU with data, video, the audio frequency of user-selected meeting with TS code stream form; The TS code stream that MCU receiving stream media server sends over, and it is broadcasted away to video conference terminal; User terminal receives the TS code stream, carries out playing behind the demultiplexing.
During the recorded broadcast meeting, after adding meeting, the user logins the video conferencing management system, selects beginning recorded broadcast meeting, and the video conferencing management system can be sent the request of recorded broadcast meeting to MCU; After MCU receives the request of recorded broadcast meeting, send the request of opening channel to streaming media server; After streaming media server is received request, open channel, upgrade historical minutes table, and notice MCU opens the channel success; MCU upgrades historical minutes table, and sends data, video, the audio frequency of real-time conferencing to streaming media server with TS code stream form; Data, video, the audio frequency of the meeting that streaming media server storage is received are until meeting adjourned or receive and stop recorded broadcast meeting message.
The specific implementation flow process of video conferencing order method of the present invention may further comprise the steps as shown in Figure 4:
Step 412: after user terminal receives the TS code stream, at first carry out the elementary stream (PES that de-multiplex operation obtains packing, Packetised Elementary Streanis), then video PES stream is given the Video Decoder broadcast of decoding, audio frequency PES stream is given the audio decoder broadcast of decoding.
Described historical meeting, its data, video, audio frequency are stored in the streaming media server by recorded broadcast.
Figure 5 shows that the realization flow figure of recorded broadcast meeting, it may further comprise the steps:
Step 501～503: user terminal sends the request that adds meeting to MCU, after MCU receives request, and the legitimacy of inspection user; After legitimate verification passes through, reply terminal request, and connect with it, otherwise, refusing user's request.
Step 504～506: the user logins the video conferencing management system, selects beginning recorded broadcast meeting, and the video conferencing management system can be sent the request of recorded broadcast meeting to MCU;
After step 507～509:MCU receives the request of recorded broadcast meeting, send the request of opening channel to streaming media server; After streaming media server is received request, open channel, upgrade historical minutes table, and notice MCU opens the channel success;
Step 510～511:MCU upgrades historical minutes table, and sends data, video, the audio frequency of real-time conferencing to streaming media server with TS code stream form;
Step 512: data, video, the audio frequency of streaming media server storage meeting, until meeting adjourned or receive and stop recorded broadcast meeting message.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.
Claims (10)
1. a video conferencing VOD system comprises video conferencing management system, multipoint control unit MCU, user terminal; It is characterized in that this system also comprises streaming media server, wherein,
The video conferencing management system is used for and user interactions, is responsible for the service management of video conferencing and the service management of streaming media server;
MCU, the forwarding and the processing of the data of responsible real-time conferencing, video, audio frequency are responsible for the receiving stream media server to transmit data, video, the audio frequency of the next meeting of stream TS code stream form transmission, and the TS code stream that receives is broadcast to the participant terminal;
Streaming media server is used for data, video, the audio frequency of the historical meeting of user institute program request are transferred to MCU with TS code stream form;
User terminal provides audio frequency, video and the data communication of real time bidirectional, is responsible for that the TS code stream is carried out demultiplexing and handles and play.
2. video conferencing VOD system according to claim 1 is characterized in that, described MCU also is responsible for sending data, video, the audio frequency of real-time conferencing to streaming media server with TS code stream form;
Accordingly, described streaming media server also is used for being responsible for data, video, the audio frequency of the real-time conferencing that store M CU sends with TS code stream form.
3. method with TV conference system vod session of video on-demand function is characterized in that this method may further comprise the steps:
A, user send order request;
B, streaming media server pass through MCU broadcasts data, video, the audio frequency of user-selected meeting to the user terminal that proposes order request;
The historical meeting of C, user terminal play-on-demand.
4. the method with TV conference system vod session of video on-demand function according to claim 3 is characterized in that, also comprises before the steps A:
User terminal sends the request that adds meeting to MCU, after MCU receives request, and the legitimacy of inspection user; After legitimate verification passes through, reply the request of user terminal, and connect with user terminal; Otherwise, the request of refusing user's terminal.
5. the method with TV conference system vod session of video on-demand function according to claim 3 is characterized in that steps A specifically comprises:
User capture video conferencing management system is selected to enter video request program VOD pattern, and is consulted historical minutes table, selects to want the historical meeting of program request.
6. the method with TV conference system vod session of video on-demand function according to claim 3 is characterized in that, also comprises before the step B:
The video conferencing management system watches the request of historical meeting to pass to MCU the user, receive request after, MCU request connects with streaming media server; After streaming media server is received the request that MCU connects, the legitimacy of inspection user, legitimate verification passes through, and replys the MCU request, and connects with MCU, otherwise, refusing user's request.
7. the method with TV conference system vod session of video on-demand function according to claim 3 is characterized in that step B specifically comprises:
Streaming media server is transferred to MCU with data, video, the audio frequency of user-selected meeting with TS code stream form; The TS code stream that MCU receiving stream media server sends over, and with its user terminal broadcasting to the proposition order request.
8. the method with TV conference system vod session of video on-demand function according to claim 3 is characterized in that step C specifically comprises: user terminal receives the TS code stream, carries out playing behind the demultiplexing.
9. the method with TV conference system vod session of video on-demand function according to claim 3 is characterized in that this method further comprises: with the data of historical meeting, video, audio storage in streaming media server.
10. the method with TV conference system vod session of video on-demand function according to claim 9 is characterized in that described storage specifically may further comprise the steps:
After a, the adding meeting, the user logins the video conferencing management system, selects beginning recorded broadcast meeting, and the video conferencing management system is sent the request of recorded broadcast meeting to MCU;
After b, MCU receive the request of recorded broadcast meeting, send the request of opening channel to streaming media server; After streaming media server is received request, open channel, upgrade historical minutes table, and notice MCU opens the channel success;
C, MCU upgrade historical minutes table, and send data, video, the audio frequency of real-time conferencing to streaming media server with TS code stream form;
Recorded broadcast meeting message.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA2007101763024A CN101141617A (en) | 2007-10-24 | 2007-10-24 | Session television on-demand system and method |
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| CNA2007101763024A CN101141617A (en) | 2007-10-24 | 2007-10-24 | Session television on-demand system and method |
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| CN101938625A (en) * | 2010-09-15 | 2011-01-05 | 中兴通讯股份有限公司 | Video conference system and realization method thereof |
| CN101626483B (en) * | 2008-07-07 | 2011-07-13 | 中兴通讯股份有限公司 | Method for fusing video conferphone system and internet protocol television system and video system |
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| CN102223515A (en) * | 2011-06-21 | 2011-10-19 | 中兴通讯股份有限公司 | Remote presentation meeting system and method for recording and replaying remote presentation meeting |
| CN102281460A (en) * | 2011-08-18 | 2011-12-14 | 宋健 | Network television live broadcasting method and system implemented on basis of video conference |
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| CN101938625A (en) * | 2010-09-15 | 2011-01-05 | 中兴通讯股份有限公司 | Video conference system and realization method thereof |
| CN102469294A (en) * | 2010-11-08 | 2012-05-23 | 中兴通讯股份有限公司 | Method and system for dynamically regulating media contents of video conference |
| WO2012062163A1 (en) * | 2010-11-08 | 2012-05-18 | 中兴通讯股份有限公司 | Method and system for dynamically adjusting media content in video conference |
| CN102176713A (en) * | 2011-03-22 | 2011-09-07 | 宋健 | Method for realizing multiuser network video chat system for intensifying simplex video quality |
| CN102223515A (en) * | 2011-06-21 | 2011-10-19 | 中兴通讯股份有限公司 | Remote presentation meeting system and method for recording and replaying remote presentation meeting |
| CN102281460A (en) * | 2011-08-18 | 2011-12-14 | 宋健 | Network television live broadcasting method and system implemented on basis of video conference |
| CN102300074B (en) * | 2011-08-26 | 2017-06-20 | 中兴通讯股份有限公司 | For the control method and system of the stream medium data of TV conference system |
| CN102413309A (en) * | 2011-12-27 | 2012-04-11 | 中兴通讯股份有限公司 | Method and device for joining video conference |
| CN103581453A (en) * | 2012-07-25 | 2014-02-12 | 阿瓦亚公司 | Time shifting in teleconferences conducted within virtual worlds |
| CN103581453B (en) * | 2012-07-25 | 2016-06-01 | 阿瓦亚公司 | Time shift in the telephone conference carried out in the virtual world |
| CN103888709A (en) * | 2012-12-21 | 2014-06-25 | 深圳市捷视飞通科技有限公司 | Terminal integrated apparatus of video conference and recording system |
| CN103888709B (en) * | 2012-12-21 | 2017-02-08 | 深圳市捷视飞通科技股份有限公司 | Terminal integrated apparatus of video conference and recording system |
| CN104796167A (en) * | 2015-03-19 | 2015-07-22 | 深圳市金立通信设备有限公司 | Terminal |
| CN105262975A (en) * | 2015-09-21 | 2016-01-20 | 武汉钢铁(集团)公司 | Method for controlling video conference and video conference system |
| CN105262975B (en) * | 2015-09-21 | 2018-05-25 | 武汉钢铁(集团)公司 | A kind of method and video conferencing system for controlling video conference |
| CN108829716A (en) * | 2018-05-07 | 2018-11-16 | 深圳市鹰硕技术有限公司 | Conference agenda generation method to be held a meeting and device |
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