CN103036690A - Wireless conference system - Google Patents
Wireless conference system Download PDFInfo
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- CN103036690A CN103036690A CN2012105323880A CN201210532388A CN103036690A CN 103036690 A CN103036690 A CN 103036690A CN 2012105323880 A CN2012105323880 A CN 2012105323880A CN 201210532388 A CN201210532388 A CN 201210532388A CN 103036690 A CN103036690 A CN 103036690A
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Abstract
Provided is a wireless conference system. The wireless conference system comprises a receiving master control computer, a chairman unit machine and at least one nonvoting delegate unit machines. The chairman unit machine is used by a conference chairman for controlling conference speaking. The nonvoting delegate unit machines are used for delegate speaking. The chairman unit machine and the nonvoting delegate unit machines respectively transfer control information with the receiving master control computer through digital radio frequency (RF), and transfer voice information with the receiving master control computer through an ultra high frequency (UHF) channel. According to the wireless conference system, a novel transmission and control manner with analog and digital combined is adopted, at most one chairman unit and four delegate units are capable of being simultaneously opened, and the number of the delegate units of the system is free of limitation within an effective transmission range. More crucially, response speed of the system is free of effect of the number of the units. According to the wireless conference system, in audio transmission, an analog frequency modulation manner is still adopted, and therefore radio-frequency bandwidth is saved. Moreover, delay of sense of hearing is definitely not produced, and voice is friendly and natural.
Description
Technical field
The present invention relates to a kind of conference system, particularly a kind of wireless conference system that uses the wireless technology transmission information.
Background technology
Existing conference system mainly contains wired connection and wireless connections dual mode.
In the wired connection mode, each participant's microphones etc. are used for the equipment of speech and the microphone of conference moderator etc. all to be needed to be connected to control appliance by cable for the equipment of making a speech, conference moderator is controlled the UNICOM that each participant's microphone etc. is used for the equipment of speech by control appliance, thereby can determine which participant can make a speech.The wired connection mode needs on the one hand at a large amount of cable of Conference Room deployment, on the other hand, control appliance also needs to dispose with the joint of participant's number equivalent amount can guarantee that just each participant has the chance of speech, so just so that the connection of control appliance switching is loaded down with trivial details, frequent, cause easily connecting fault.
Along with RF(Radio Frequency radio-frequency technique) development, Digital RF, namely utilize Digital Signal Processing (DSP) to replace the technology of analog to obtain very big development, for example the WIFI technology that is to say that WLAN (IEEE802.11) technology has also obtained extensive application in conference system.
In the wireless connections mode, each participant's microphones etc. are used for the equipment of speech and the microphone of conference moderator etc. can be connected to control appliance by the WIFI module for the equipment of making a speech, so just saved the work of disposing cable, and avoided cable to connect the risk of fault, just provide a kind of such as Chinese patent CN101364886B and transmitted voice by WIFI, the wireless conference system of video information, Chinese patent CN101827245A also provides a kind of wireless conference system and data transmission method thereof, but in above-mentioned 2 parts of patent documentations, it is to send after the digital signal that audio-frequency information all needs to process in advance with analog signal conversion again, transmission for audio-frequency information just need take wider radio frequency band like this, and Digital Modulation produces spurious signal easily, sound is with time-delay easily, and meeting in the conference process is so that sound not nature.
Summary of the invention
The invention provides a kind of wireless conference system, to reduce or to avoid problem noted earlier.
For addressing the above problem, the present invention proposes a kind of wireless conference system, described wireless conference system comprises that receives a main control computer, and one is used for chairman unit machine and at least one the nonvoting delegate's unit machine for participant's speech that the meeting presider controls conference speech; Described chairman unit machine and described nonvoting delegate's unit machine carry out the control information transmission by digital RF and described reception main control computer respectively, carry out the voice messaging transmission by UHF hf channel and described reception main control computer.
Preferably, the UHF tuner that described reception main control computer is provided with 5 PLL control receive respectively 5 the tunnel be used for transmitting voice information FM signal, described FM signal is respectively 1 tunnel chairman's designated lane for the communication of chairman unit machine, and other 4 tunnel representative passages for nonvoting delegate's unit machine.Described chairman's designated lane receive frequency range is 740MHz---765MHz; Described representative passage receive frequency range is 765MHz---790MHz, is provided with a plurality of frequencies in the receive frequency range of described chairman's designated lane and described representative passage, and each frequency is all with the 250K stepping.
Preferably, described nonvoting delegate's unit machine and described chairman unit machine include a CPU, a digital communication unit that is used for communicating control information that is connected with described CPU respectively, and the analog communication unit that is used for gathering microphone audio and processing and transfers voice information; Described analog communication unit comprises the UHF tuner of a PLL control Frequency Adjustable.
Preferably, described chairman unit machine further comprises a zero clearing button that is used for cutting out all nonvoting delegate's unit machine microphones of having opened.
Preferably, when the participant will make a speech, when the microphone switch of nonvoting delegate's unit machine was opened, whether described nonvoting delegate's unit machine communicated by digital RF and described reception main control computer, intercept the current carrier wave of digital RF and be disturbed, disturb disorderly if having, then wait for 1ms, intercept again, if interference source exists always, repeat this time operation of 2000 backed off after randoms, namely the user this time to open the microphone request invalid; When the current carrier wave of digital RF is not disturbed, described nonvoting delegate's unit machine sends ID number of described nonvoting delegate's unit machine and microphone is opened request to described reception main control computer, after success sends, the digital RF of described nonvoting delegate's unit machine changes accepting state at once over to, waits for the order of described reception main control computer; If ID number of receiving ID code that power-on command that described reception main control computer sends and this order carry and described nonvoting delegate's unit machine is corresponding, described nonvoting delegate's unit machine is successfully opened microphone, UHF tuner and microphone amplifying circuit are started working, and the frequency of described UHF tuner work also obtains from the power-on command that described reception main control computer sends; The voice signal that described microphone collects namely can be transmitted to described reception main control computer by mode of frequency regulation after processing through audio frequency;
When the participant makes a speech complete, when the microphone switch of described nonvoting delegate's unit machine is closed, described nonvoting delegate's unit machine communicates by digital RF and described reception main control computer, intercept the current carrier wave of digital RF and whether be disturbed, disturb disorderly if having, then wait for 1ms, intercept again, if interference source exists always, repeat 2000 this time operations of backed off after random, i.e. this time mute microphone (MIC) request of user is invalid; When the current carrier wave of digital RF is not disturbed, described nonvoting delegate's unit machine send ID number of described nonvoting delegate's unit machine and the microphone turn-off request to described reception main control computer, after success sends, the digital RF of described nonvoting delegate's unit machine changes accepting state at once over to, waits for the order of described reception main control computer; If ID number of receiving ID code that shutdown command that described reception main control computer sends and this order carry and described nonvoting delegate's unit machine is corresponding, the successful mute microphone (MIC) of described nonvoting delegate's unit machine, UHF tuner and microphone amplifying circuit quit work;
Described chairman unit machine need not be established ID number, and its microphone application is with to withdraw from the speech course of work and described nonvoting delegate's unit machine consistent.
A kind of wireless conference system provided by the present invention adopts simulation and brand-new transmission and control mode that numeral combines, can open simultaneously 1 chairman unit at most, 4 representative units.In effective transmission range, the representative unit quantity of system is unrestricted.More crucial is, system response time is not subjected to what impact of element number; A kind of wireless conference system provided by the present invention still adopts the analog fm mode when audio transmission, save radio frequency bandwidth.And never produce sense of hearing time-delay, the warm nature of sound.
Embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.Wherein, identical parts adopt identical label.
The below describes implementation step and the principle thereof according to a kind of wireless conference system of the present invention in detail.
A kind of wireless conference system provided by the present invention, it comprises that receives a main control computer, one is used for chairman unit machine and at least one the nonvoting delegate's unit machine for participant's speech that the meeting presider controls conference speech; Described chairman unit machine and described nonvoting delegate's unit machine carry out the control information transmission by digital RF and described reception main control computer respectively, carry out the voice messaging transmission by UHF hf channel and described reception main control computer.
Utilize Digital RF to carry out the control information transmission so that the described reception main control computer in the wireless conference system provided by the invention, the control information transfer member of described chairman unit machine and described nonvoting delegate's unit machine can use ripe commercial nest plate to finish, and has reduced the production cost of described wireless conference system.
Described chairman unit machine and described nonvoting delegate's unit machine carry out the voice messaging transmission by UHF hf channel and described reception main control computer.So just so that wireless conference system when audio transmission, still adopts the analog fm mode, save radio frequency bandwidth, and never produce sense of hearing time-delay, the warm nature of sound.
In a preferred embodiment, the UHF tuner that described reception main control computer is provided with 5 PLL control receive respectively 5 the tunnel be used for transmitting voice information FM signal, described FM signal is respectively 1 tunnel chairman's designated lane for the communication of chairman unit machine, and other 4 tunnel representative passages for nonvoting delegate's unit machine.Described chairman's designated lane receive frequency range is 740MHz---765MHz; Described representative passage receive frequency range is 765MHz---790MHz, is provided with a plurality of frequencies in the receive frequency range of described chairman's designated lane and described representative passage, and each frequency is all with the 250K stepping.
Described PLL (Phase Locked Loop), that is to say phase-locked loop or phase-locked loop, the UHF tuner of its control can ensure that described main control computer can carry out good demodulation to the audio-frequency information that its UHF hf channel that receives transmits, and ensures the delivery quality of audio-frequency information.Described chairman's designated lane is used for the speech communication of described chairman unit machine and described reception main control computer, so just can be so that described chairman unit machine has the priority of conference speech, and needn't with the UHF hf channel of described nonvoting delegate's unit machine common transmitted voice messaging.4 tunnel representative passages that are used for described nonvoting delegate's unit machine arrange the meeting process flexibly so that the presider can select current suitable conference model as the case may be.For example:
Unrestricted model: maximum speech number can be established, and minimum is 1, is 4 to the maximum.Namely when the representative of opening microphone reached the maximum speech number of setting, remaining representative just can not be opened Mike.
The first in first out pattern: maximum speech number can be established, and minimum is 1, is 4 to the maximum.When the representative of opening microphone reaches the maximum speech number of setting, next there is again the representative application to open microphone, can close the representative of before opening the earliest microphone, then this microphone is opened.Namely rotate entering the earliest the representative unit of opening microphone state.
Chairman's proprietary mode: on the basis of above two kinds of patterns, if chairman's proprietary mode is enabled, after microphone was opened in the unit of serving as chair, all representative units can not be opened microphone.Serve as chair close after, the representative just can normally apply for making a speech.
Simultaneously also so that in effective transmission range, the described representative unit machine quantity of described wireless conference system is unrestricted.More crucial is that described wireless conference system response speed is not subjected to the impact of representative unit machine quantity.
Described chairman's designated lane receive frequency range is 740MHz---765MHz; Described representative passage receive frequency range is 765MHz---790MHz, is provided with a plurality of frequencies in the receive frequency range of described chairman's designated lane and described representative passage, and each frequency is all with the 250K stepping.Described chairman's designated lane and described representative passage respectively account for one section 25M spectral bandwidth, in every section spectral bandwidth, have 100 frequencies with the 250KHz stepping.Thereby arrange and automatically select communication function so that described reception main control computer can have enough frequency resources, that is to say that when mounted the engineering staff can utilize this function, conveniently obtain current clean frequency and also deposit to described reception main control computer.After this, nonvoting delegate's unit machine that microphone is opened in application namely distributes frequency automatically by described reception main control computer, need not manually arrange one by one again.
Certainly, it should be appreciated by those skilled in the art that UHF hf channel frequency range also can adjust according to the concrete condition that customer requirements or meeting-place radio band are used.
In a preferred embodiment, described nonvoting delegate's unit machine and described chairman unit machine include a CPU, a digital communication unit that is used for communicating control information that is connected with described CPU respectively, and the analog communication unit that is used for gathering microphone audio and processing and transfers voice information; Described analog communication unit comprises the UHF tuner of a PLL control Frequency Adjustable.
Described CPU can be stored the self ID of described nonvoting delegate's unit machine number so that control and management, described digital communication unit is used for utilizing Digital RF to carry out the control information transmission, therefore it can use ripe commercial nest plate to finish, and has reduced the production cost of described wireless conference system.
The UHF tuner of described PLL control Frequency Adjustable can guarantee that the described microphone audio that collects in the described analog communication unit delivers to described reception main control computer after modulated, like this by with the cooperating of the UHF tuner of the PLL of described reception main control computer control Frequency Adjustable, can ensure the quality that audio-frequency information transmits.
In a preferred embodiment, described chairman unit machine further comprises a zero clearing button that is used for cutting out all nonvoting delegate's unit machine microphones of having opened.When this button is pressed, can send closing information to all nonvoting delegate's unit machines of having opened nonvoting delegate's unit machine microphone by described reception main control computer, thereby the microphone of these nonvoting delegate's unit machines cuts out.
In a preferred embodiment, when the participant will make a speech, when the microphone switch of nonvoting delegate's unit machine was opened, whether described nonvoting delegate's unit machine communicated by digital RF and described reception main control computer, intercept the current carrier wave of digital RF and be disturbed, disturb disorderly if having, then wait for 1ms, intercept again, if interference source exists always, repeat this time operation of 2000 backed off after randoms, namely the user this time to open the microphone request invalid; When the current carrier wave of digital RF is not disturbed, described nonvoting delegate's unit machine sends ID number of described nonvoting delegate's unit machine and microphone is opened request to described reception main control computer, after success sends, the digital RF of described nonvoting delegate's unit machine changes accepting state at once over to, waits for the order of described reception main control computer; If ID number of receiving ID code that power-on command that described reception main control computer sends and this order carry and described nonvoting delegate's unit machine is corresponding, described nonvoting delegate's unit machine is successfully opened microphone, UHF tuner and microphone amplifying circuit are started working, and the frequency of described UHF tuner work also obtains from the power-on command that described reception main control computer sends; The voice signal that described microphone collects namely can be transmitted to described reception main control computer by mode of frequency regulation after processing through audio frequency;
When the participant makes a speech complete, when the microphone switch of described nonvoting delegate's unit machine is closed, described nonvoting delegate's unit machine communicates by digital RF and described reception main control computer, intercept the current carrier wave of digital RF and whether be disturbed, disturb disorderly if having, then wait for 1ms, intercept again, if interference source exists always, repeat 2000 this time operations of backed off after random, i.e. this time mute microphone (MIC) request of user is invalid; When the current carrier wave of digital RF is not disturbed, described nonvoting delegate's unit machine send ID number of described nonvoting delegate's unit machine and the microphone turn-off request to described reception main control computer, after success sends, the digital RF of described nonvoting delegate's unit machine changes accepting state at once over to, waits for the order of described reception main control computer; If ID number of receiving ID code that shutdown command that described reception main control computer sends and this order carry and described nonvoting delegate's unit machine is corresponding, the successful mute microphone (MIC) of described nonvoting delegate's unit machine, UHF tuner and microphone amplifying circuit quit work;
Described chairman unit machine need not be established ID number, and its microphone application is with to withdraw from the speech course of work and described nonvoting delegate's unit machine consistent.
Each described nonvoting delegate's unit machine is started shooting to described reception main control computer application, and when namely microphone is opened in application, described reception main control computer will check all whether current start application meets system pattern.It is idle to reexamine which UHF passage, and precedence from low to high.If ineligible off the docket, the application of described nonvoting delegate's unit machine is invalid.If eligible, described reception main control computer postbacks power-on command to described nonvoting delegate's unit machine, ID number of described nonvoting delegate's unit machine carried in this order, working frequency points information, after success sent, described reception main control computer was by detecting the field intensity signal of respective channel, by the power variation of field intensity signal, judge whether whether the switching on and shutting down of current described nonvoting delegate's unit machine are successful, namely successfully receive the order that postbacks of described reception main control computer.If field intensity is unchanged, prove that described nonvoting delegate's unit machine may not receive the order that described reception main control computer postbacks, that is to say that wireless data may lose because of disturbed or jitter, this moment, described reception main control computer will be retransmitted order to described nonvoting delegate's unit machine, and maximum is carried out 10 times repeating transmission.This algorithm combines the double check of analog circuit and data command, and loss of data when preventing digital RF wireless telecommunications has further improved the stability of described wireless conference system operation.
When confirm described nonvoting delegate's unit machine receive postback order after, described reception main control computer will deposit this ID in start sequence and line up one after another.The UHF tuner of its use performed take mark (can not have two and above nonvoting delegate's unit machine use simultaneously).When described nonvoting delegate's unit machine notice main control computer is wanted mute microphone (MIC), described reception main control computer postbacks shutdown command to described nonvoting delegate's unit machine, and carry ID number of described nonvoting delegate's unit machine, after success sends, same, described reception main control computer is by detecting the field intensity signal of respective channel, by the power variation of field intensity signal, judge whether whether the switching on and shutting down of current described nonvoting delegate's unit machine are successful, namely successfully receive the order that postbacks of described reception main control computer.If field intensity is unchanged, prove that described nonvoting delegate's unit machine may not receive the order that described reception main control computer postbacks, that is to say that wireless data may lose because of disturbed or jitter, this moment, described reception main control computer will be retransmitted order to described nonvoting delegate's unit machine, and maximum is carried out 10 times repeating transmission.This algorithm combines the double check of analog circuit and data command, and loss of data when preventing digital RF wireless telecommunications has further improved the stability of described wireless conference system operation.
When confirm described nonvoting delegate's unit machine receive postback order after, described reception main control computer will be cleared out of the ID of this nonvoting delegate's unit machine the start formation, and will start shooting and requeue for ID number.The UHF tuner of its use removed take mark, making it is idle channel.
Described chairman unit machine is because of the right to use of monopolizing one road UHF tuner, so it always meets application condition.But it also must obtain described reception main control computer and postback the switching on and shutting down of order ability, since chairman's proprietary mode that described wireless conference system may use, the switching on and shutting down situation of the described chairman unit machine of needs record.
A kind of wireless conference system provided by the present invention adopts simulation and brand-new transmission and control mode that numeral combines, can open simultaneously 1 chairman unit at most, 4 representative units.In effective transmission range, the representative unit quantity of system is unrestricted.More crucial is, system response time is not subjected to what impact of element number; A kind of wireless conference system provided by the present invention still adopts the analog fm mode when audio transmission, save radio frequency bandwidth.And never produce sense of hearing time-delay, the warm nature of sound.
Although it will be appreciated by those skilled in the art that the present invention is that mode according to a plurality of embodiment is described, and is not that each embodiment only comprises an independently technical scheme.Narration like this only is for the sake of clarity in the specification; those skilled in the art should make specification as a wholely to be understood, and regard technical scheme related among each embodiment as the mode that can mutually be combined into different embodiment understand protection scope of the present invention.
The above only is the schematic embodiment of the present invention, is not to limit scope of the present invention.Any those skilled in the art, the equivalent variations of doing under the prerequisite that does not break away from design of the present invention and principle, modification and combination all should belong to the scope of protection of the invention.
Claims (5)
1. a wireless conference system is characterized in that, described wireless conference system comprises that receives a main control computer, and one is used for chairman unit machine and at least one the nonvoting delegate's unit machine for participant's speech that the meeting presider controls conference speech; Described chairman unit machine and described nonvoting delegate's unit machine carry out the control information transmission by digital RF and described reception main control computer respectively, carry out the voice messaging transmission by UHF hf channel and described reception main control computer.
2. wireless conference system according to claim 1, it is characterized in that, the UHF tuner that described reception main control computer is provided with 5 PLL control receive respectively 5 the tunnel be used for transmitting voice information FM signal, described FM signal is respectively 1 tunnel chairman's designated lane for the communication of chairman unit machine, and other 4 tunnel representative passages for nonvoting delegate's unit machine.Described chairman's designated lane receive frequency range is 740MHz---765MHz; Described representative passage receive frequency range is 765MHz---790MHz, is provided with a plurality of frequencies in the receive frequency range of described chairman's designated lane and described representative passage, and each frequency is all with the 250K stepping.
3. wireless conference system according to claim 1, it is characterized in that, described nonvoting delegate's unit machine and described chairman unit machine include a CPU, a digital communication unit that is used for communicating control information that is connected with described CPU respectively, and the analog communication unit that is used for gathering microphone audio and processing and transfers voice information; Described analog communication unit comprises the UHF tuner of a PLL control Frequency Adjustable.
4. wireless conference system according to claim 1 is characterized in that, described chairman unit machine further comprises a zero clearing button that is used for cutting out all nonvoting delegate's unit machine microphones of having opened.
5. wireless conference system according to claim 1 is characterized in that,
When the participant will make a speech, when the microphone switch of nonvoting delegate's unit machine is opened, described nonvoting delegate's unit machine communicates by digital RF and described reception main control computer, intercept the current carrier wave of digital RF and whether be disturbed, disturb disorderly if having, then wait for 1ms, intercept again, if interference source exists always, repeat this time operation of 2000 backed off after randoms, namely the user this time to open the microphone request invalid; When the current carrier wave of digital RF is not disturbed, described nonvoting delegate's unit machine sends ID number of described nonvoting delegate's unit machine and microphone is opened request to described reception main control computer, after success sends, the digital RF of described nonvoting delegate's unit machine changes accepting state at once over to, waits for the order of described reception main control computer; If ID number of receiving ID code that power-on command that described reception main control computer sends and this order carry and described nonvoting delegate's unit machine is corresponding, described nonvoting delegate's unit machine is successfully opened microphone, UHF tuner and microphone amplifying circuit are started working, and the frequency of described UHF tuner work also obtains from the power-on command that described reception main control computer sends; The voice signal that described microphone collects namely can be transmitted to described reception main control computer by mode of frequency regulation after processing through audio frequency;
When the participant makes a speech complete, when the microphone switch of described nonvoting delegate's unit machine is closed, described nonvoting delegate's unit machine communicates by digital RF and described reception main control computer, intercept the current carrier wave of digital RF and whether be disturbed, disturb disorderly if having, then wait for 1ms, intercept again, if interference source exists always, repeat 2000 this time operations of backed off after random, i.e. this time mute microphone (MIC) request of user is invalid; When the current carrier wave of digital RF is not disturbed, described nonvoting delegate's unit machine send ID number of described nonvoting delegate's unit machine and the microphone turn-off request to described reception main control computer, after success sends, the digital RF of described nonvoting delegate's unit machine changes accepting state at once over to, waits for the order of described reception main control computer; If ID number of receiving ID code that shutdown command that described reception main control computer sends and this order carry and described nonvoting delegate's unit machine is corresponding, the successful mute microphone (MIC) of described nonvoting delegate's unit machine, UHF tuner and microphone amplifying circuit quit work;
Described chairman unit machine need not be established ID number, and its microphone application is with to withdraw from the speech course of work and described nonvoting delegate's unit machine consistent.
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107065613A (en) * | 2017-04-27 | 2017-08-18 | 太仓鸿策锐达认证咨询有限公司 | A kind of intelligent management of stage equipment |
| CN107147667A (en) * | 2017-06-07 | 2017-09-08 | 太仓鸿策腾达网络科技有限公司 | A kind of control method for being used to manage participant's speech |
| CN107249116A (en) * | 2017-08-09 | 2017-10-13 | 成都全云科技有限公司 | Noise echo eliminating device based on video conference |
| CN107277689A (en) * | 2017-07-21 | 2017-10-20 | 太仓美宅姬娱乐传媒有限公司 | A kind of meeting room microphone management system |
| CN107370723A (en) * | 2017-06-07 | 2017-11-21 | 太仓埃特奥数据科技有限公司 | A kind of control method for being used to manage participant's speech |
| CN107426523A (en) * | 2017-04-25 | 2017-12-01 | 太仓鸿策拓达科技咨询有限公司 | A kind of wireless video conference system |
| CN109076128A (en) * | 2016-02-29 | 2018-12-21 | 铁三角有限公司 | Conference system |
| CN110062121A (en) * | 2019-06-05 | 2019-07-26 | 北京昆羽科技有限公司 | Host equipment, slave devices and audio conference system for audio conferencing |
| CN110912868A (en) * | 2019-10-13 | 2020-03-24 | 深圳市睿臻信息技术服务有限公司 | Hand-held digital wireless conference system |
| CN112019356A (en) * | 2020-08-04 | 2020-12-01 | 广州市保伦电子有限公司 | Multi-type unit ID automatic adding method in digital conference and processing terminal |
| CN112312063A (en) * | 2020-10-30 | 2021-02-02 | 维沃移动通信有限公司 | Multimedia communication method and device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101009492A (en) * | 2007-01-16 | 2007-08-01 | 吴中活 | Wireless microphone system |
| US20100115089A1 (en) * | 2007-01-15 | 2010-05-06 | Gonzalo Camarillo Gonzalez | Identifying Participants in a Conference |
| CN202374444U (en) * | 2011-12-31 | 2012-08-08 | 杨志豪 | Wireless intelligent conference microphone system |
-
2012
- 2012-12-11 CN CN201210532388.0A patent/CN103036690B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100115089A1 (en) * | 2007-01-15 | 2010-05-06 | Gonzalo Camarillo Gonzalez | Identifying Participants in a Conference |
| CN101009492A (en) * | 2007-01-16 | 2007-08-01 | 吴中活 | Wireless microphone system |
| CN202374444U (en) * | 2011-12-31 | 2012-08-08 | 杨志豪 | Wireless intelligent conference microphone system |
Non-Patent Citations (1)
| Title |
|---|
| 广州市舒音电子科技有限公司: "SURIN舒音专业无线传声器", 《电声技术》 * |
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|---|---|---|---|---|
| US10791156B2 (en) | 2016-02-29 | 2020-09-29 | Audio-Technica Corporation | Conference system |
| CN109076128B (en) * | 2016-02-29 | 2020-11-27 | 铁三角有限公司 | Conference system |
| CN109076128A (en) * | 2016-02-29 | 2018-12-21 | 铁三角有限公司 | Conference system |
| CN107426523A (en) * | 2017-04-25 | 2017-12-01 | 太仓鸿策拓达科技咨询有限公司 | A kind of wireless video conference system |
| CN107065613A (en) * | 2017-04-27 | 2017-08-18 | 太仓鸿策锐达认证咨询有限公司 | A kind of intelligent management of stage equipment |
| CN107147667A (en) * | 2017-06-07 | 2017-09-08 | 太仓鸿策腾达网络科技有限公司 | A kind of control method for being used to manage participant's speech |
| CN107370723A (en) * | 2017-06-07 | 2017-11-21 | 太仓埃特奥数据科技有限公司 | A kind of control method for being used to manage participant's speech |
| CN107277689A (en) * | 2017-07-21 | 2017-10-20 | 太仓美宅姬娱乐传媒有限公司 | A kind of meeting room microphone management system |
| CN107249116B (en) * | 2017-08-09 | 2020-05-05 | 成都全云科技有限公司 | Noise echo eliminating device based on video conference |
| CN107249116A (en) * | 2017-08-09 | 2017-10-13 | 成都全云科技有限公司 | Noise echo eliminating device based on video conference |
| CN110062121A (en) * | 2019-06-05 | 2019-07-26 | 北京昆羽科技有限公司 | Host equipment, slave devices and audio conference system for audio conferencing |
| CN110912868A (en) * | 2019-10-13 | 2020-03-24 | 深圳市睿臻信息技术服务有限公司 | Hand-held digital wireless conference system |
| CN112019356A (en) * | 2020-08-04 | 2020-12-01 | 广州市保伦电子有限公司 | Multi-type unit ID automatic adding method in digital conference and processing terminal |
| CN112312063A (en) * | 2020-10-30 | 2021-02-02 | 维沃移动通信有限公司 | Multimedia communication method and device |
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