CN202004895U - Video telephone conference system - Google Patents
Video telephone conference system Download PDFInfo
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- CN202004895U CN202004895U CN2011201311739U CN201120131173U CN202004895U CN 202004895 U CN202004895 U CN 202004895U CN 2011201311739 U CN2011201311739 U CN 2011201311739U CN 201120131173 U CN201120131173 U CN 201120131173U CN 202004895 U CN202004895 U CN 202004895U
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Abstract
The utility model discloses a video telephone conference system. Voice messages are transmitted through public switched telephone network, videos and data are transmitted through the internet, voice quality is fully guaranteed, and interrupted voice is not easy to occur. The video telephone conference system comprises a first multi-media terminal (1) and a second multi-media terminal (2), a digital stored program control exchange (3), a video server (4) and a gatekeeper (5). The first multi-media terminal (1) is connected to the second multi-media terminal (2) through telephone lines, the second multi-media terminal (2) is connected to the public switched telephone network through telephone lines, the digital stored program control exchange (3) is connected to the public switched telephone network through digital trunk, and the first multi-media terminal (1), the second multi-media terminal (2), the digital stored program control exchange (3), the video server (4) and the gatekeeper (5) are all connected to the internet through Ethernet cables.
Description
Technical field
The utility model relates to a kind of video conference call system.
Background technology
Along with the continuous development of society, various circles of society also are more and more higher for the requirement of communication, and the video conference call system becomes a kind of communication requirement of more and more popularizing.How by existing communication transmission passage and existing computer network for society provides easy to operate, cost is lower and with the video conference call system that the existing communication system organically combines, promptly become a problem that must solve.
Present video conference call system is of a great variety, be divided into analog-and digital-two kinds by technical implementation way, along with popularizing and prosperity day by day of network, the video conference call system that realizes with digital technology has become main flow, in now a lot of video conference call systems, its video data and voice all are to realize in network.Because what the video conference call system transmitted is multi-medium data, the bandwidth that arrives certain satisfaction needs is bigger, under the still expensive prerequisite of the bandwidth of present operator, reach the sound of transmission and the continuously smooth of picture signal, need the cost of user's cost still very high, if the bandwidth of transmission network is not enough, cause the intermittent of voice easily, in addition, present most of video conference call system only in session the time its terminal just in native system, use, can not with the ordinary telephone set compatibility of existing PSTN (PSTN).
The utility model content
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, provide a kind of transmission quality than higher, cost is low, be not easy to produce the video conference call system of the interrupted phenomenon of voice.
The technical scheme that the utility model video conference call system is adopted is: described video conference call system comprises:
Be used to realize the multimedia terminal I and the multimedia terminal II of voice, video and transfer of data;
Be used for the digital SPC exchange of call voice audio mixing in many ways;
Be used to finish the video server of collection, transmission, distribution, demonstration, video and audio recording, playback, video management and the video dispatching of audio/video information;
Be used to finish the gatekeeper of command function is registered, manages, called out to described multimedia terminal I, described multimedia terminal II, described digital SPC exchange, described video server;
The connected mode of system is: described multimedia terminal I is connected by telephone wire with described digital SPC exchange, described multimedia terminal II is connected by telephone wire with described PSTN (PSTN), described stored-program control exchange is connected by digital junction with described PSTN (PSTN), and described multimedia terminal I, described multimedia terminal II, described digital SPC exchange, described video server and described gatekeeper all utilize netting twine to be connected with the Internet the Internet.
Described multimedia terminal I, described multimedia terminal II, described digital SPC exchange, described video server and described gatekeeper all can utilize netting twine to be connected with the Internet the Internet by router.
Described multimedia terminal I and described multimedia terminal II include telephone line interface and netting twine interface, by PSTN (PSTN) transmission, described video information, described data message transmit with the IP bag by the Internet the Internet through described netting twine interface voice messaging through described telephone line interface.
Described multimedia terminal I and described multimedia terminal II also comprise casing, camera, display unit, telephone handle, button, indicator light, power interface, mains switch, described display unit is arranged on described casing top, described casing inside is provided with the telephone set network plate, encoder, decoder, the network exchange plate, the power distribution plate, 10G CPU Control Unit, described 10G CPU Control Unit and described network exchange plate, the telephone set network plate, described power distribution plate is connected, described telephone line interface, described netting twine interface is arranged on the rear board of described casing, described button, described telephone handle, described telephone line interface, described encoder is connected with described telephone set network plate respectively, described netting twine interface is connected with described network exchange plate, described network exchange plate respectively with described encoder, described decoder is connected, described encoder is connected with described camera, and described decoder is connected with described display unit.
Described multimedia terminal I and described multimedia terminal II also comprise microphone, loud speaker, described microphone, described loud speaker are connected with described telephone set network plate respectively, and its control mode is to be triggered by phone dialing mode in described multimedia terminal by the user.
Described digital SPC exchange comprises and is used for the conference device of call voice audio mixing in many ways, described conference device comprises one or more large scale integrated chips and the control circuit on the switching network plate that is superimposed on described digital SPC exchange, described control circuit is mainly used in conference telephone and attenuation/noise suppressed, described control circuit connects the cpu i/f circuit of described integrated circuit (IC) chip and described digital SPC exchange respectively, described conference device is finished the stack of Multi-Party Conference (N side) voice under the control of CPU, be the linear code sum of the voice linear code of each output side for other N-1 side's input voice, different attenuations and noise suppressed thresholding also can be set in addition, prevent to occur in the meeting uttering long and high-pitched sounds.
Described video conference call system also comprises the ordinary telephone set that is connected with described PSTN, and described ordinary telephone set can be with described multimedia terminal I or/and described multimedia terminal II be carried out audio mixing in described digital SPC exchange.
The beneficial effects of the utility model are: because the utility model comprises the multimedia terminal I, the multimedia terminal II, digital SPC exchange, video server, the gatekeeper, described multimedia terminal I is connected by telephone wire with described stored-program control exchange, described multimedia terminal II is connected by telephone wire with PSTN, described digital SPC exchange is connected by digital junction with described PSTN, described multimedia terminal I, described multimedia terminal II, described digital SPC exchange, described video server and described gatekeeper all utilize netting twine to be connected with the Internet the Internet, the system works solution is that its control mode is to be triggered by phone dialing mode in described multimedia terminal by the user, send out call request to described digital SPC exchange or described PSTN, simultaneously with data mode by the netting twine described gatekeeper that says the word, finish the function that continues of voice by described digital SPC exchange or described PSTN, and described gatekeeper analyzes according to request command, situation report-back according to the dislodging machine by described digital SPC exchange or described multimedia terminal, command described video server to finish to the video of described multimedia terminal and the exchange and the forwarding of data, thereby realize audio signal and separating that video data signal transmits, under the connection that utilizes this mode, finish the function of video conference call, and further improved and the quality of voice transmission that has improved video conference call, effectively avoided the generation of the interrupted phenomenon of voice, and cost is relatively low, so the utility model transmission quality is than higher, cost is low and be not easy to produce the interrupted phenomenon of voice.
Because described video conference call system also comprises the ordinary telephone set that is connected with described PSTN, described ordinary telephone set can be with described multimedia terminal I or/and described multimedia terminal II be carried out audio mixing in described digital SPC exchange, so the utility model also can with existing ordinary telephone set compatibility, use more convenient.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of the utility model conference device.
Embodiment
As shown in Figure 1 and Figure 2, the utility model is the further exploitation of applicant on the multimedia terminal of having applied for before, the system of making as required, and it comprises multimedia terminal I 1 and the multimedia terminal II 2 that is used to realize voice, video and transfer of data; Be used for the digital SPC exchange 3 of call voice audio mixing in many ways; Be used to finish the video server 4 of collection, transmission, distribution, demonstration, recording, video recording, playback, video management and the video dispatching of audio/video information; Be used to finish to described multimedia terminal I 1, described multimedia terminal II 2, described digital SPC exchange 3, described video server 4 is registered, management, call out the gatekeeper 5 of command function, described multimedia terminal I 1 and described digital SPC exchange 3 are connected by telephone wire, described multimedia terminal II 2 is connected with PSTN by telephone wire, described digital SPC exchange 3 is connected by digital junction with PSTN, described multimedia terminal I 1, described multimedia terminal II 2, described digital SPC exchange, described video server 4 and described gatekeeper 5 all can utilize netting twine to be connected with the Internet the Internet, needs according to network environment, can be with described multimedia terminal I 1, described multimedia terminal II 2, described digital SPC exchange 3, described video server 4 and described gatekeeper 5 are connected with the Internet the Internet by router 6, described multimedia terminal I 1 and described multimedia terminal II 2 comprise casing, camera, display unit, telephone handle, button, indicator light, power interface, mains switch, telephone line interface, the netting twine interface, microphone, loud speaker, described display unit is arranged on described casing top, described casing inside is provided with the telephone set network plate, encoder, decoder, the network exchange plate, the power distribution plate, 10G CPU Control Unit, described 10G CPU Control Unit and described network exchange plate, the telephone set network plate, described power distribution plate is connected, described telephone line interface, described netting twine interface is arranged on the rear board of described casing, described button, described telephone handle, described telephone line interface, described encoder is connected with described telephone set network plate respectively, described netting twine interface is connected with described network exchange plate, described network exchange plate respectively with described encoder, described decoder is connected, described encoder is connected with described camera, described decoder is connected with described display unit, described microphone, described loud speaker is connected with described telephone set network plate respectively, its control mode is to be triggered by phone dialing mode in described multimedia terminal by the user, and described video server 4 comprises the collection that is used to finish audio/video information, transmission, the video control and the forwarding module of distribution; Be used to finish the recording playback module of audio/video information recording, video recording, playback function; Be used to finish the monitoring module of video management and video dispatching, described gatekeeper 5 comprises: be used to finish the multimedia terminal Login Register module of described multimedia terminal I 1 and described multimedia terminal II 2 being mated setting; Be used to finish to described multimedia terminal I 1, described multimedia terminal II 2, described digital SPC exchange 3, described video server 4 is registered, management, call out the command analysis module of command function, described digital SPC exchange 3 also comprises and is used for the conference device of call voice audio mixing in many ways, described conference device comprises one or more large scale integrated chips and the control circuit on the switching network plate that is superimposed on described digital SPC exchange 3, described control circuit is mainly used in conference telephone and attenuation/noise suppressed, described control circuit connects the cpu i/f circuit of described integrated circuit (IC) chip and described digital SPC exchange 3 respectively, described conference device is finished the stack of Multi-Party Conference (N side) voice under the control of CPU, be the linear code sum of the voice linear code of each output side for other N-1 side's input voice, different attenuations and noise suppressed thresholding also can be set in addition, prevent to occur in the meeting uttering long and high-pitched sounds, described video conference call system can realize video telephone function, the video conference function, compatibility function with plain old telephone, video and audio recording, playback function, the video switch function, multiple function such as video monitoring function.
The start-up control mode of system is three kinds.
First kind of mode is a kind of calling procedure of visual telephone: triggered by the dialing button in described multimedia terminal I 1 by the user, described digital SPC exchange 3 says the word, described digital SPC exchange 3 is analyzed according to request command, finish continuing and voice channel is provided to call voice, simultaneously, described multimedia terminal I 1 sends to described gatekeeper 5 according to default agreement by netting twine with call data, described gatekeeper 5 analyzes according to the request command of described multimedia terminal I 1, and by the situation of netting twine from the extraction dislodging machine of described digital SPC exchange 3 or described multimedia terminal I 1, command described video server 4 to finish to the video of described multimedia terminal I 1 and the exchange and the forwarding of data, the passage of video and data is provided for described multimedia terminal I 1, described multimedia terminal I 1 has comprehensive voice, video and data channel, thereby the call function of realization visual telephone.
Illustrate, existing described multimedia terminal I 1 desire is called out described multimedia terminal II 2(or another described multimedia terminal I 1), its basic procedure is:
ⅰ) described multimedia terminal I 1 off-hook dialing, number is the number of described multimedia terminal II 2;
ⅱ) described multimedia terminal I 1 dial the number is that described digital SPC exchange 3 receives by telephone wire, described digital SPC exchange 3 automatically and PSTN carry out telephone connection;
ⅲ) simultaneously, described multimedia terminal I 1 sends to described gatekeeper 5 according to default agreement by netting twine with call data, described gatekeeper 5 analyzes according to the request command of described multimedia terminal I 1, and the online situation of definite described multimedia terminal II 2, notify described video server 4 to be ready to the video of described multimedia terminal I 1 and described multimedia terminal II 2 and the exchange and the forwarding of data;
ⅳ) described multimedia terminal II 2 off-hooks, off hook signal is obtained by the digital signalling of described digital SPC exchange 3 by PSTN and reports to described gatekeeper 5, also can send off hook signals to described gatekeeper 5 by described multimedia terminal II 2;
ⅴ) described gatekeeper 5 sends to described video server 4 and connects order, described video server 4 is finished the video between described multimedia terminal I 1 and the described multimedia terminal II 2 and the exchange and the forwarding of data, described multimedia terminal I 1 and described multimedia terminal II all have the other side's audio frequency, video and data 2 this moments, thereby realize the call function of visual telephone.
The second way is the calling procedure of another kind of visual telephone: triggered by the dialing button in described multimedia terminal II 2 by the user, PSTN says the word, PSTN is analyzed according to request command, finish continuing and voice channel is provided to call voice, simultaneously, described multimedia terminal II 2 sends to described gatekeeper 5 according to default agreement by netting twine with call data, described gatekeeper 5 analyzes according to the request command of described multimedia terminal II 2, extract the situation of dislodging machine from described digital SPC exchange 3 or described multimedia terminal II 2 by netting twine, command described video server 4 to finish to the video of described multimedia terminal I 1 and the exchange and the forwarding of data, the passage of video and data is provided for described multimedia terminal I 1 and described multimedia terminal II 2, multimedia terminal (1) has comprehensive voice, video and data channel, thus the call function of visual telephone finished.
Illustrate, existing multimedia terminal (2) desire is called out multimedia terminal (1) (or another multimedia terminal (2)), and its basic procedure is:
ⅰ) described multimedia terminal II 2 off-hooks dialing, number is the number of described multimedia terminal I 1;
ⅱ) described multimedia terminal II 2 dial the numbers are that described digital SPC exchange 3 receives by telephone wire, described digital SPC exchange 3 automatically and PSTN carry out telephone connection;
ⅲ) simultaneously, described multimedia terminal II 2 sends to described gatekeeper 5 according to default agreement by netting twine with call data, described gatekeeper 5 analyzes according to the request command of described multimedia terminal II 2, and the online situation of definite described multimedia terminal I 1, notify described video server 4 to be ready to the video of described multimedia terminal I 1 and described multimedia terminal II 2 and the exchange and the forwarding of data;
ⅳ) described multimedia terminal I 1 off-hook, off hook signal is obtained by the digital signalling of described digital SPC exchange 3 by PSTN and reports to described gatekeeper 5, also can send off hook signal to described gatekeeper 5 by described multimedia terminal I 1;
ⅴ) described gatekeeper 5 sends to described video server 4 and connects order, described video server 4 is finished the video between described multimedia terminal I 1 and the described multimedia terminal II 2 and the exchange and the forwarding of data, described multimedia terminal I 1 and described multimedia terminal II all have the other side's audio frequency, video and data 2 this moments, thereby realize the call function of visual telephone.
The third mode is to organize the process of video conference call: triggered by the function key button of user on described multimedia terminal I 1 or described multimedia terminal II 2, call data are sent to described gatekeeper 5 according to default agreement by netting twine, and wait for the calling of described digital SPC exchange 3, described gatekeeper 5 analyzes according to the member of the video conference call that described multimedia terminal I 1 or described multimedia terminal II 2 are sent out, the effective condition of online registration is sent to described digital SPC exchange 3, described digital SPC exchange 3 telephone numbers according to the member who is provided make a call, and these members are inserted in the videoconference unit of self, thereby for conference member provides voice channel, 5 couples of invalid members of described gatekeeper do not command video server 4 that video and data are provided, but do not influence its exchange of speech (ordinary telephone set on the promptly compatible PSTN (PSTN)), described digital SPC exchange 3 is given described gatekeeper 5 with each effective member's dislodging machine situation report-back, the member that the described video server 4 of described gatekeeper 5 commanders is finished the corresponding video videoconference provides the exchange and the forwarding of video and data, each efficient multimedia terminal (no matter being described multimedia terminal I 1 or described multimedia terminal II 2) member all has comprehensive voice, video and data channel, thus the Conference Calling Function of video conference call finished.
Illustrate, existing described multimedia terminal I 1 desire tissue is called out video conference call, and comprising another described multimedia terminal I 1 and a multimedia terminal II 2, its basic procedure is:
ⅰ) described multimedia terminal I 1 desires to hold video conference call by presetting button, comprises another described multimedia terminal I 1 and a multimedia terminal II 2;
ⅱ) described multimedia terminal I 1 sends to described gatekeeper 5 with the meeting number of members according to passing through netting twine according to default agreement, described gatekeeper 5 analyzes according to the request command of described multimedia terminal I 1, member's data are issued described digital SPC exchange 3, make a call by described digital SPC exchange 3, this moment, described multimedia terminal I 1 and another described multimedia terminal I 1 and described multimedia terminal II 2 were waited for the incoming call of described digital SPC exchange 3, in case receive the calling of described digital SPC exchange 3, member's off-hook just enters the voice call state at once, and the voice conferencing the inside of itself brought each member into by described digital SPC exchange 3;
ⅲ) simultaneously, described gatekeeper 5 according to each conference member online situation, notify described video server 4 to be ready to each member's the video and the exchange and the forwarding of data;
ⅳ) any conference member off-hook sends to described gatekeeper 5 by netting twine with its off hook signal by described digital SPC exchange 3 and knows all conference member off-hooks;
ⅴ) described gatekeeper 5 receives behind the off hook signal of conference member to send to described video server 4 and connects order, and described video server 4 is given each conference member with the video and the data forwarding of multimedia terminal I 1;
ⅵ) conference member all has the other side's audio frequency, video and data this moment, thereby realizes the call function of video conference call.
Claims (7)
1. video conference call system is characterized in that: described video conference call system comprises:
Be used to realize the multimedia terminal I (1) and the multimedia terminal II (2) of voice, video and transfer of data;
Be used for the digital SPC exchange of call voice audio mixing (3) in many ways;
Be used to finish the video server (4) of collection, transmission, distribution, demonstration, recording, video recording, playback, video management and the video dispatching of audio/video information;
Be used to finish the gatekeeper (5) who described multimedia terminal I (1), described multimedia terminal II (2), described digital SPC exchange (3), described video server (4) is registered, manages, called out command function;
The connected mode of system is: described multimedia terminal I (1) is connected by telephone wire with described digital SPC exchange (3), described multimedia terminal II (2) is connected by telephone wire with described PSTN, described stored-program control exchange (3) is connected by digital junction with described PSTN, and described multimedia terminal I (1), described multimedia terminal II (2), described digital SPC exchange (3), described video server (4) and described gatekeeper (5) all utilize netting twine to be connected with the Internet the Internet.
2. a kind of video conference call according to claim 1 system is characterized in that: described multimedia terminal I (1), described multimedia terminal II (2), described digital SPC exchange (3), described video server (4) and described gatekeeper (5) all can utilize netting twine to pass through router (6) to be connected with the Internet the Internet.
3. video conference call according to claim 1 system, it is characterized in that: described multimedia terminal I (1) and described multimedia terminal II (2) include telephone line interface and netting twine interface, voice messaging transmits by PSTN through described telephone line interface, and described video information, described data message transmit with the IP bag by the Internet the Internet through described netting twine interface.
4. according to the described a kind of video conference call of claim 3 system, it is characterized in that: described multimedia terminal I (1) and described multimedia terminal II (2) also comprise casing, camera, display unit, telephone handle, button, indicator light, power interface, mains switch, described display unit is arranged on described casing top, described casing inside is provided with the telephone set network plate, encoder, decoder, the network exchange plate, the power distribution plate, 10G CPU Control Unit, described 10G CPU Control Unit and described network exchange plate, the telephone set network plate, described power distribution plate is connected, described telephone line interface, described netting twine interface is arranged on the rear board of described casing, described button, described telephone handle, described telephone line interface, described encoder is connected with described telephone set network plate respectively, described netting twine interface is connected with described network exchange plate, described network exchange plate respectively with described encoder, described decoder is connected, described encoder is connected with described camera, and described decoder is connected with described display unit.
5. a kind of video conference call according to claim 4 system, it is characterized in that: described multimedia terminal I (1) and described multimedia terminal II (2) also comprise microphone, loud speaker, described microphone, described loud speaker are connected with described telephone set network plate respectively, and its control mode is to be triggered by phone dialing mode in described multimedia terminal by the user.
6. a kind of video conference call according to claim 1 system, it is characterized in that: described digital SPC exchange (3) comprises and is used for the conference device of call voice audio mixing in many ways, described conference device comprises one or more integrated circuit (IC) chip, the control circuit that is superimposed upon on the described digital SPC exchange (3), and described control circuit connects the cpu i/f circuit of described integrated circuit (IC) chip and described digital SPC exchange respectively.
7. a kind of video conference call according to claim 1 system, it is characterized in that: described video conference call system also comprises the ordinary telephone set that is connected with described PSTN, and described ordinary telephone set can be with described multimedia terminal I (1) or/and described multimedia terminal II (2) be carried out audio mixing in described digital SPC exchange (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201311739U CN202004895U (en) | 2011-04-29 | 2011-04-29 | Video telephone conference system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201311739U CN202004895U (en) | 2011-04-29 | 2011-04-29 | Video telephone conference system |
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| Publication Number | Publication Date |
|---|---|
| CN202004895U true CN202004895U (en) | 2011-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201311739U Expired - Lifetime CN202004895U (en) | 2011-04-29 | 2011-04-29 | Video telephone conference system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103999439A (en) * | 2011-12-29 | 2014-08-20 | 克利特股份有限公司 | Combined data streams for group calls |
| CN111447332A (en) * | 2020-02-19 | 2020-07-24 | 广州广哈通信股份有限公司 | Scheduling terminal mainboard and scheduling terminal |
-
2011
- 2011-04-29 CN CN2011201311739U patent/CN202004895U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103999439A (en) * | 2011-12-29 | 2014-08-20 | 克利特股份有限公司 | Combined data streams for group calls |
| CN111447332A (en) * | 2020-02-19 | 2020-07-24 | 广州广哈通信股份有限公司 | Scheduling terminal mainboard and scheduling terminal |
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| GR01 | Patent grant | ||
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| CX01 | Expiry of patent term |
Granted publication date: 20111005 |