CN100484231C - Video conference end reminding method - Google Patents
Video conference end reminding method Download PDFInfo
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- CN100484231C CN100484231C CNB2004100561835A CN200410056183A CN100484231C CN 100484231 C CN100484231 C CN 100484231C CN B2004100561835 A CNB2004100561835 A CN B2004100561835A CN 200410056183 A CN200410056183 A CN 200410056183A CN 100484231 C CN100484231 C CN 100484231C
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Abstract
The invention provides a method for prompting the finish of video conference, comprising: (A), the MCU (multiple points control unit) sends the conference finish time prompting information in the form of signal or media flow to the conferencing terminal; (B), the conferencing terminal uses a plurality of methods to prompt the conference finish time according to the received prompting information. With said invention, the conferencing terminal can select variable methods to prompt the videoconference finish time while the serviceable property of videoconference apparatus is improved.
Description
Technical field
The present invention relates to TV conference service, refer to that especially a kind of video conference finishes based reminding method.
Background technology
TV conference service can be understood as common video conferencing service, is a kind of communication mode that utilizes video conferencing technology and equipment to hold a meeting between two places or a plurality of place by transmission channel.
As shown in Figure 1, TV conference service is generally based on the video communication service system of being made up of video terminal, voice terminal, transmission channel, multipoint control unit several parts such as (claiming MCU or MCU again).
The effect of video terminal is that the live image signal of a certain meeting point, voice signal and relevant data-signal are gathered, compressed encoding, delivered to transmission channel after multiplexed.Simultaneously the TV conference service signal that receives is classified, decoded, be reduced into the image, voice and the data-signal that receive the meeting-place; Video terminal also will be sent to MCU with the meeting control signal (as request floor, application ownership etc.) of this point, also need carry out the control command of MCU to this point simultaneously, carries out capabilities exchange and mode switch with MCU.Capabilities exchange is meant that communication two party exchanges the process of the own professional ability of being supported mutually.
The same video terminal of voice terminal function does not just have the image processing ability.
Transmission channel can be modes such as optical fiber, cable, microwave or satellite physically.The communication network that TV conference service is commonly used has: public switched telephone network (PSTN), public packet switching network (PSPDN), Digital Data Net (DDN) etc., at present the broadband switching network of taking as the leading factor with atm technology develops rapidly, for videoconferencing service provides a wider application, as Integrated Service Digital Network, IP network and IQ net.
As shown in Figure 1, multipoint control unit (being MCU) is the control core of TV conference service system.When the terminal quantity that participates in a conference during, must control through MCU more than 2.All terminals all will be connected to MCU by standard interface, MCU according to international standard H.221, H.242, H.243, H.225, H245, T.120 wait exchange that the regulation of agreement realizes image and voice and mix, realize the correlation functions such as control in all meeting-place.
When convening video-conference conference, MCU controls the running of each terminal console by transmission channel, realizes meeting control.Usually, be provided with the timer module among the MCU or in the conference management platform, allow the default the time of meeting, can set before holding a meeting promptly that meeting adjourned the time, MCU will finish active conference automatically when arriving the concluding time, thereby realizes the automatic scheduling of video conference.
But because video conference is to carry out at a distance, each sub-venue is not known the meeting progress time, the meeting progress is difficult to control well, might arrive that meeting adjourned the time, each sub-venue is not also finished conference content, just under the situation of unclear meeting adjourned time, finished by force, bring very big inconvenience, influence the serviceability of equipment greatly to the participant by MCU.
As shown in Figure 2, at first in meeting that limit is arranged of MCU predefine; When the MCU port operation meeting, MCU will enable the countdown timer and pick up counting, and the initial value of this timer is changed to meeting time span; When judging that the timer counting is the fixed time remaining time, will be by MCU to meeting message correlation time of each participant sub-venue broadcasting, this message adopts the mode of in-band signalling to issue all video terminals by MCU, attainable scheme has: by the BAS sign indicating number, by the LSD channel, by in-band channels such as MLP, HMP, HSD, H.323 pass through H.245 signaling between terminal and the MCU; Terminal is after receiving this message, this information is presented on terminal console and the video screen, prompting users conference remaining time, and enable the countdown timer of terminal, beginning on terminal console with character mode or show the countdown time in the subtitle superposition mode on TV.
The shortcoming of prior art is as follows:
1. closing session remind to be that mode with in-band signalling is broadcast to the participant terminal, if information is presented on the terminal console rather than terminal video clip (as television screen) on, the user can only see the closing session prompting on terminal console, remind and can't see closing session on the video clip of terminal, the user can not know very easily still that meeting adjourned the time like this.
2. if with in the conference terminal comprised voice terminal (for example phone), can't display reminding information.
3. if participant terminal is not handled the closing session temporal information that MCU sends over, the user will can't see information, promptly can not solve the intercommunication problem.
Summary of the invention
The invention provides a kind of video conference that makes things convenient for the participant terminal to receive and show and finish based reminding method.
Video conference provided by the invention finishes based reminding method, comprises the following steps:
Steps A, send media stream formats meeting adjourned time prompting information by multipoint control unit MCU to the participant terminal, the audio code stream or the video code flow of described meeting adjourned time prompting information follows in the Media Stream passage described MCU sends to participant terminal transmit;
Step B, participant terminal be according to the information of the different-format that receives, and adopts corresponding mode to point out out that meeting adjourned the time.
According to said method of the present invention, described steps A comprises: send information of voice prompt by MCU to the participant terminal, this information of voice prompt breaks into the audio pack of standard in the MCU side, follows the audio code stream that described MCU sends to the participant terminal and transmit in the Media Stream passage; Described step B comprises: after the participant terminal receives this audio pack, by unpacking processing, play-over out corresponding information of voice prompt.
According to said method of the present invention, described audio pack has special identifier, and the participant terminal is extracted the respective audio bag according to this special identifier and handled.
According to said method of the present invention, described steps A comprises: send visual prompts information by MCU to the participant terminal, this visual prompts information breaks into the video packets of standard in the MCU side, follows the video code flow that described MCU sends to the participant terminal and transmit in the Media Stream passage; Described step B comprises: after the participant terminal receives this video packets, by unpacking processing, play-over out corresponding visual prompts information.
According to said method of the present invention, described video packets has special identifier, and the participant terminal is extracted the corresponding video bag according to this special identifier and handled.
According to said method of the present invention, described steps A comprises: send the Voice ﹠ Video information by MCU to the participant terminal, this Voice ﹠ Video information breaks into the audio pack and the video packets of standard in the MCU side, follows common audio code stream and video code flow respectively and transmit in the Media Stream passage; Described step B comprises: after the participant terminal receives this audio pack and video packets, by unpacking processing, play-over out corresponding information of voice prompt and visual prompts information.
According to said method of the present invention, described audio pack and video packets have special identifier, and the participant terminal extracts the respective audio bag according to this special identifier and video packets is handled.
According to said method of the present invention, also include the following step: MCU and send closing session time prompting signaling to terminal, this signaling transmits in the signalling path of MCU and participant terminal, after terminal is received, independently selects one or more meeting adjourned the time prompting mode.
Described prompting mode comprises: character mode, figure sheet mode, animation mode and/or voice mode.
The beneficial effect that technical solution of the present invention is brought is as follows:
1, information can be one or more of, and form can be that signaling format or media stream formats send to terminal, after the participant terminal is received corresponding information, can select or generate prompting user's mode according to the ability of oneself.
If 2 adopt voice or visual prompts information, can guarantee that the participant can both hear or see, the situation of separating with terminal for terminal console can not influence the prompting effect like this.
3, for the situation that comprises voice terminal in the meeting, can adopt information of voice prompt, avoid the voice terminal can't display text or the shortcoming of picture information.
If the voice of 4 closing session time prompting information employing reference format or video data wrap in the Media Stream passage transmit, can also solve the intercommunication problem of different manufacturers product.
Description of drawings
Fig. 1 looks conference system network connection diagram for news.
Fig. 2 is that video conference of the prior art finishes to remind flow chart.
Fig. 3 finishes to remind flow chart for video conference of the present invention.
Embodiment
As shown in Figure 3, finish to remind flow chart for video conference of the present invention.When arrive specifying apart from meeting adjourned constantly, send media stream formats meeting adjourned time prompting information to the participant terminal by MCU; The participant terminal is according to the information of the different-format that receives, and adopts corresponding mode to point out out that meeting adjourned the time.
Its specific embodiment is as follows:
First kind of scheme: send information of voice prompt by MCU to the participant terminal, this information of voice prompt breaks into the audio pack of standard in the MCU side, follows common audio code stream and transmit in the Media Stream passage; After the participant terminal receives this audio pack,, play-over out corresponding information of voice prompt by unpacking processing.Described audio pack can have special identifier, and the participant terminal can be extracted the respective audio bag according to this special identifier and handle.
Second kind of scheme: send visual prompts information by MCU to the participant terminal, this visual prompts information breaks into the video packets of standard in the MCU side, follows the common video code stream and transmit in the Media Stream passage; After the participant terminal receives this video packets,, play-over out corresponding visual prompts information by unpacking processing.Described video packets can have special identifier, and the participant terminal can be extracted the corresponding video bag according to this special identifier and handle.
The third scheme: send the Voice ﹠ Video information by MCU simultaneously to the participant terminal, this Voice ﹠ Video information breaks into the audio pack and the video packets of standard in the MCU side, follows common audio code stream and video code flow respectively and transmit in the Media Stream passage; After the participant terminal receives this audio pack and video packets,, play-over out corresponding information of voice prompt and visual prompts information by unpacking processing.
The 4th kind of scheme: send audio prompt information, visual prompts information and closing session time prompting signaling simultaneously to the participant terminal by MCU, this Voice ﹠ Video information breaks into the audio pack and the video packets of standard in the MCU side, follows common audio code stream and video code flow respectively and transmit in the Media Stream passage; After the participant terminal receives this audio pack and video packets,, play-over out corresponding information of voice prompt and visual prompts information by unpacking processing; MCU transmits in the signalling path of MCU and participant terminal to the closing session time prompting signaling that terminal sends, and after terminal is received, can select character mode, figure sheet mode, animation mode and/or voice mode prompting user.
The 5th kind of scheme: MCU sends closing session time prompting signaling to terminal, and this signaling transmits in the signalling path of MCU and participant terminal, after terminal console is received, independently selects one or more meeting adjourned that the time prompting mode is pointed out the user.Described prompting mode comprises: character mode, figure sheet mode, animation mode and/or voice mode.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; 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 claims.
Claims (9)
1, a kind of video conference finishes based reminding method, comprises the following steps:
Steps A, send media stream formats meeting adjourned time prompting information by multipoint control unit MCU to the participant terminal, the audio code stream and/or the video code flow of described meeting adjourned time prompting information follows in the Media Stream passage described MCU sends to participant terminal transmit;
Step B, participant terminal be according to the different-format that receives described meeting adjourned time prompting information, adopts corresponding mode to point out out that meeting adjourned the time.
2, the method for claim 1 is characterized in that:
Described steps A comprises: send information of voice prompt by MCU to the participant terminal, this information of voice prompt breaks into the audio pack of standard in the MCU side, follows the audio code stream that described MCU sends to the participant terminal and transmit in the Media Stream passage;
Described step B comprises: after the participant terminal receives this audio pack, by unpacking processing, play-over out corresponding information of voice prompt.
3, method as claimed in claim 2 is characterized in that: described audio pack has special identifier, and the participant terminal is extracted the respective audio bag according to this special identifier and handled.
4, the method for claim 1 is characterized in that:
Described steps A comprises: send visual prompts information by MCU to the participant terminal, this visual prompts information breaks into the video packets of standard in the MCU side, follows the video code flow that described MCU sends to the participant terminal and transmit in the Media Stream passage;
Described step B comprises: after the participant terminal receives this video packets, by unpacking processing, play-over out corresponding visual prompts information.
5, method as claimed in claim 4 is characterized in that: described video packets has special identifier, and the participant terminal is extracted the corresponding video bag according to this special identifier and handled.
6, the method for claim 1 is characterized in that:
Described steps A comprises: send the Voice ﹠ Video information by MCU to the participant terminal, this Voice ﹠ Video information breaks into the audio pack and the video packets of standard in the MCU side, follows common audio code stream and video code flow respectively and transmit in the Media Stream passage;
Described step B comprises: after the participant terminal receives this audio pack and video packets, by unpacking processing, play-over out corresponding information of voice prompt and visual prompts information.
7, method as claimed in claim 6 is characterized in that: described audio pack and video packets have special identifier, and the participant terminal extracts the respective audio bag according to this special identifier and video packets is handled.
8, as claim 6 or 7 described methods, it is characterized in that: also include the following step:
MCU sends closing session time prompting signaling to terminal, and this signaling transmits in the signalling path of MCU and participant terminal, after terminal is received, independently selects one or more meeting adjourned the time prompting mode.
9, method as claimed in claim 8 is characterized in that: described prompting mode comprises: character mode, figure sheet mode, animation mode and/or voice mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100561835A CN100484231C (en) | 2004-08-18 | 2004-08-18 | Video conference end reminding method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100561835A CN100484231C (en) | 2004-08-18 | 2004-08-18 | Video conference end reminding method |
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| Publication Number | Publication Date |
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| CN1738412A CN1738412A (en) | 2006-02-22 |
| CN100484231C true CN100484231C (en) | 2009-04-29 |
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| CNB2004100561835A Active CN100484231C (en) | 2004-08-18 | 2004-08-18 | Video conference end reminding method |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101610324A (en) * | 2008-06-18 | 2009-12-23 | 深圳华为通信技术有限公司 | The method of prompting call progress state, conference control equipment and conference system |
| CN102968991B (en) | 2012-11-29 | 2015-01-21 | 华为技术有限公司 | Method, device and system for sorting voice conference minutes |
| CN106993151A (en) * | 2017-03-23 | 2017-07-28 | 中国南方电网有限责任公司 | A kind of Videoconference Management System and method |
| CN108776542A (en) * | 2018-05-31 | 2018-11-09 | 上海爱优威软件开发有限公司 | One kind being based on multimedia information interacting method and system |
| CN109996027A (en) * | 2019-02-26 | 2019-07-09 | 视联动力信息技术股份有限公司 | The treating method and apparatus of video conference |
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