CN207184789U - Conference microphone system - Google Patents
Conference microphone system Download PDFInfo
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- CN207184789U CN207184789U CN201720694761.0U CN201720694761U CN207184789U CN 207184789 U CN207184789 U CN 207184789U CN 201720694761 U CN201720694761 U CN 201720694761U CN 207184789 U CN207184789 U CN 207184789U
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Abstract
It the utility model is related to microphone field, more particularly to conference microphone system, including some receivers and some conference microphones, the conference microphone includes voice transmitter, control management number makes information transceiver and system access number of request make transceiver, the receiver includes speech receiver and frequency-selecting number makes information transceiver, the receiver communicates to connect with the conference microphone, managing number by the control between the conference microphone makes information transceiver communication connection control the conference microphone, it can be communicated to connect between the receiver, the system access number of request makes transceiver be communicated to connect with the voice transmitter.The microphone system can automatically select microphone works frequency range, without artificial frequency-selecting, start can search for networking automatically, automatically high-quality channel is distributed to use, it is inherently eliminated disconnected frequency, string frequency phenomenon, the seamless unlimited dilatation of conference microphone can be also realized, meanwhile, in initialization without being separately provided one by one to speech unit again.
Description
【Technical field】
It the utility model is related to microphone field, more particularly to conference microphone system.
【Background technology】
Conference microphone system be now widely used for domestic and international meeting venue be equipped with specialty meeting power amplifier and audio amplifier be
Meeting participant provides meeting public address.Conference microphone can be divided into wired, wireless two types, have application in different occasions.
Domestic wired conference microphone system possesses the advantages that strong security, sound are true, stable, and part at present
Wire microphone system possesses characteristic hand in hand, and is that numerous and diverse wiring and corresponding safeguard will the drawbacks of wire microphone system
Ask, therefore the application of wire microphone is fewer and fewer, more conference system users employ conference microphone system.
Wireless session microphone system eliminates the inconvenience of wiring, and as technology development in recent years also possesses
Preferable sound quality.But can see simultaneously, current wireless session microphone also rests on the primary stage, such as 1 drags 4
Conference microphone, 1 drags 8 conference microphones, only " addition " of traditional conference microphone quantitatively, similar wired Mike
The chair control of wind, call application, many utility functions such as dilatation of handing in hand can not be realized.Simultaneously because conference microphone system
System usually requires more people and talked simultaneously, the disconnected frequency in traditional conference microphone, be easily disturbed, stability difference the shortcomings of remain unchanged in the presence of simultaneously
It is even more serious, frequency distribution and system installation and debugging for the conference microphone between same meeting room, different meeting rooms
When difficult point.It is current to meet and meet that application of the conference microphone in conference system field needs further technological innovation
The demand of user.
Meanwhile it is existing wirelessly hand in hand microphone, be required to sets itself speech unit meeting attend a banquet numbering and
Meeting room is numbered, to access whole wireless microphone system, for the larger meeting room of usage amount, to these speech lists
The attend a banquet setting of numbering of the meeting of member is a very cumbersome job in itself.
【Utility model content】
In order to overcome above mentioned problem, the utility model proposes a kind of full-automatic frequency-selecting, wirelessly to frequency, without single to speech again
The conference microphone system that member is separately provided one by one.
The utility model solves a kind of technical scheme that above-mentioned technical problem provides：A kind of conference microphone system is provided
System, including some receivers and some conference microphones, the conference microphone include voice transmitter, control management number order letter
Breath transceiver and system access number of request make transceiver, and the receiver includes speech receiver and frequency-selecting number makes information transmit-receive
Machine, the receiver communicate to connect with the conference microphone, and managing number by the control between the conference microphone makes
Information transceiver communication connection can be communicated to connect, the system connects with controlling the conference microphone between the receiver
Entering number of request makes transceiver be communicated to connect with the voice transmitter.
Preferably, information transceiver is made to communicate to connect by the frequency-selecting number between the receiver.
Preferably, the voice transmitter makes information transceiver with the speech receiver and the control management number respectively
Communication connection.
Preferably, the voice transmitter includes one the oneth MCU single-chip microcomputers, and passes through the first MCU single-chip microcomputers and institute
State frequency-selecting makes information transceiver communicate to connect with step number.
Preferably, the first MCU single-chip microcomputers make transceiver communication be connected with the system access number of request.
Preferably, the speech receiver includes one the 2nd MCU single-chip microcomputers, and passes through the 2nd MCU single-chip microcomputers and institute
Stating frequency-selecting number makes information transceiver communicate.
Preferably, the speech receiver includes several phonetic incepting passages.
Compared with prior art, the microphone system can automatically select microphone works frequency range, using with avoiding
With the time division multiple acess access communications agreement for solving communication contention aware ability, without artificial frequency-selecting, start can search for networking automatically, from
The dynamic high-quality channel of distribution uses, and is inherently eliminated disconnected frequency, string frequency phenomenon.Ensure that properties of product are relatively reliable from design, pacify
Dress and use are more convenient.Can also controlled in wireless management be carried out to all conference microphones in same room with them, realize call
Application control, call first in first out, chair and the control of talk channel quantity, conference speech mode control, and pass through agreement
Scheme realizes the seamless unlimited dilatation of conference microphone.Simultaneously by setting system access number of request to make transceiver, realize automatic
Distribution meeting is attended a banquet numbering, and automatic request accesses, and enormously simplify the difficulty of operation.
【Brief description of the drawings】
Fig. 1 is the modular structure schematic diagram of the utility model conference microphone system；
Fig. 2 is the transmission flow of the utility model conference microphone system automatic network-building；
Fig. 3 is the reception flow of the utility model conference microphone system automatic network-building；
Fig. 4 is the flow chart that the utility model is automatically added to conference microphone system.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only used for explaining
The utility model, it is not used to limit the utility model.
It is to be appreciated that the directional instruction (such as up, down, left, right, before and after ...) of institute in the utility model embodiment
The relative position being only limitted in given view, rather than absolute position.
In addition, and it can not be managed in the utility model such as relating to the description of " first ", " second " etc. is only used for describing purpose
Solve to indicate or implying its relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " the
One ", at least one this feature can be expressed or be implicitly included to the feature of " second ".It is " more in description of the present utility model
It is individual " it is meant that at least two, such as two, three etc., unless otherwise specifically defined.
Referring to Fig. 1, a kind of conference microphone system 100, including some receivers 10 and some conference microphones 20, institute
State conference microphone 20 to be built-in with voice transmitter 21 and control management number to make information transceiver 23, the receiver 10 includes language
Sound receiver 11 and frequency-selecting number make information transceiver 13, and the receiver 10 communicates to connect with the conference microphone 20, described
Managing number by the control between conference microphone 20 makes information transceiver 23 communicate to connect to control the conference microphone
20, make information transceiver 13 communicate to connect by the frequency-selecting number between the receiver 10.
The voice transmitter 21 is connected with the speech receiver 11 by radio communication, the control management number order letter
Breath transceiver 23 and the frequency-selecting number make information transceiver 13 be connected by radio communication and with the voice transmitter 21 and institute
The communications band difference of speech receiver 11 is stated, the frequency-selecting number can realize radio communication between making information transceiver 13, and
Communications band makes information transceiver 23 make the communications band phase of information transceiver 13 with the frequency-selecting number with the control management number
Together.
The voice transmitter 21 includes one the oneth MCU single-chip microcomputers, and passes through the first MCU single-chip microcomputers and the control
Management number makes information transceiver 23 communicate to connect, and realizes the management between different phonetic emitter 21.
Specifically, the control management number makes information transceiver 23 use based on the frequency hopping protocol of time division multiple acess to the meeting
View microphone 20 is managed, and controls whether each voice transmitter 21 carries out telephone operation.
The voice transmitter 21 picks up microphone voice input signal, is launched after carrying out digital modulation by UHF antennas
Voice messaging.
, it is necessary to speech during during in order to solve to initialize conference microphone system 100 and new addition conference microphone 20
The problem of unit is set one by one, the conference microphone 20 also make transceiver 25 including a system access number of request, to complete certainly
Dynamic accessing conference microphone system 100 and automatic distribution meeting are attended a banquet numbering, in the present embodiment, the system access number of request
Transceiver 25 is made to pass through a synchronous button to realize so as to automatically access conference microphone system 100 and distribute meeting automatically
Numbering of attending a banquet is able to one-key operation, enormously simplify the cumbersome degree of operation.
During during initialization conference microphone system 100 and new addition conference microphone 20, in voice transmitter 21
The first MCU single-chip microcomputers make transceiver 25 communicate with the system access number of request, detection control management number make information transceiver
23 place channels simultaneously make information transceiver 23 send system access request using the channel to control management number；Subsequent system access
Number of request makes transceiver 25 receive and makes the allowance incoming instruction of information transceiver 23 and from control management number for its automatic point
The meeting matched somebody with somebody is attended a banquet numbering, and normal voice is carried out and number makes using the allowance incoming instruction and meeting numbering access system of attending a banquet
Information communicates.
Specifically, the system access number of request makes the uniqueness identification code dispatched from the factory built in transceiver 25 and determined, utilizes
This identification code carries out system access application, and receiver receives the identification code of uniqueness, you can distributes still untapped meeting for it
View attends a banquet numbering to make it access existing conference microphone system.
The speech receiver 11 includes one the 2nd MCU single-chip microcomputers, and passes through the 2nd MCU single-chip microcomputers and the frequency-selecting
Number makes information transceiver 13 communicate, for example, the 2nd MCU single-chip microcomputers make information transceiver 13 be electrically connected with the frequency-selecting number, enters
And communication is realized by the conduction of electric signal, so as to realize the transmitting of wireless data and reception.
The speech receiver 11 includes several phonetic incepting passages, and reception antenna receives electromagnetic wave signal, through numeral
Signal demodulation, Speech processing, amplification, output voice signal.
The frequency-selecting number uses carrier sense time division multiple acess (CSTDMA) communication protocol between making information transceiver 13, application
High rate data transmission number makes information, realizes that the frequency-selecting number of place inner receiver makes automatic network-building, in real time prison between information transceiver 13
Control equipment communication channel resource in net, distribute high-quality channel use automatically, it is ensured that all receiving devices are operated in high-quality in net
Channel.
The conference microphone 20, which includes control management number, makes information transceiver 23, and the control management number makes information transmit-receive
Machine 23 uses the frequency hopping protocol based on time division multiple acess, and wireless controlled tubulation is carried out to all conference microphones 20 in same room with them
Reason, realize that call application control, call first in first out, chair and the control of talk channel quantity, conference speech mode control, and
And the seamless unlimited dilatation of conference microphone 20 is realized by protocol scheme.The receiver 10 makes information receive including frequency-selecting number
Hair machine 13, the frequency-selecting number make information transceiver 13 use carrier sense time division multiple acess (CSTDMA) communication protocol, the control
Management number make information transceiver 23 use make information transceiver 13 adopt based on the frequency hopping protocol of time division multiple acess and the frequency-selecting number
Carrier sense time division multiple acess (CSTDMA) communication protocol, which is engaged, realizes automatic frequency aligning synchronizing function.The frequency-selecting number simultaneously
Carrier sense time division multiple acess (CSTDMA) communication protocol for making information transceiver 13 use, realizes automatic network-building, avoids logical
Letter conflict, realizes select frequency automatically, without artificial frequency-selecting, it is ensured that all voice transmitters are operated in high-quality channel bands.
Also referring to Fig. 2 and Fig. 3, automatic network-building process includes transmission flow and receives flow, and the transmission flow is such as
Under：When newly adding a receiver in systems, initialized first, divide and send using carrier sense TDMA
Time slot, it is ensured that each equipment sends in the cycle at one and once sends window, and each window that sends includes 5 transmitters
Meeting.Then choose time slot and determine transmission time next time, after the transmission time to be achieved, networking application is ready for sending, before transmission
It need to first judge whether current device is receiving RSSI (the Received Signal Strength of signaling and channel
Indication, the signal intensity instruction of reception) whether higher level is in, if the receiver added in advance is in another
System, and data are received, or the RSSI of present channel is in reduced levels, then delay waits send opportunity next time, directly
Exhausted to 5 send opportunity for once sending window, can not also complete to send networking application if 5 send opportunity are finished,
Then wait the transmission window of next time slot.If current device is not receiving signaling and the RSSI of channel is higher, equipment
Send networking application.The machine id information is sent to existing microphone system, application when sending networking application and adds network, networking
After application is sent, information transceiver is made to switch to reception state the frequency-selecting number of receiver, you can to carry out reception flow.
The reception flow is as follows：Receiver in system receives the networking application of the receiver added in advance, and examines
Whether effective networking application is tested, if effectively, receiving the receiver added in advance and networking, and the id information in networking application is entered
Storehouse, after networking, detect whether the receiver newly added conflicts with current channel, if so, then being selected again according to least interference principle
Determine channel, and switching channels.
Please continue to refer to Fig. 4, exemplary the showing of Fig. 4 is automatically added to the flow chart of conference microphone system 100, completes
After the wiring of conference microphone 20, synchronous button is pressed, the first MCU monolithic machine testings control pipe reason number makes the institute of information transceiver 23
In channel, after detecting channel, make information transceiver 23 send system access to control management number using the channel and ask, control
Management number make information transceiver 23 receive after, receive add request, and return permit incoming instruction and distribute a meeting attend a banquet
It is transmitted to system access number of request after receiving and makes transceiver 25 by numbering, the first MCU single-chip microcomputers, and the order of system access number of request is received
Hair machine 25 is attended a banquet numbering accessing conference microphone system using the allowance incoming instruction and meeting.
Compared with prior art, the microphone system 100 can automatically select microphone works frequency range, using with keeping away
Exempt from and solve the time division multiple acess access communications agreement of communication contention aware ability, without artificial frequency-selecting, start can search for networking automatically,
Automatically distribute high-quality channel to use, be inherently eliminated disconnected frequency, string frequency phenomenon.From design ensure properties of product it is relatively reliable,
Installation and use are more convenient.Can also controlled in wireless management be carried out to all conference microphones 20 in same room with them, realized
Call application control, call first in first out, chair and the control of talk channel quantity, conference speech mode are controlled, and passed through
Protocol scheme realizes the seamless unlimited dilatation of conference microphone 20.Simultaneously by setting system access number of request to make transceiver 25,
Realize that automatic distribution meeting is attended a banquet numbering, automatic request accesses, and enormously simplify the difficulty of operation.
Preferred embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model,
Every any modification made within design of the present utility model, equivalent substitution and improvement etc. should be included in the utility model
Scope of patent protection in.
Claims (7)
1. a kind of conference microphone system, including some receivers and some conference microphones, it is characterised in that the meeting wheat
Gram bellows chamber includes voice transmitter, control management number makes information transceiver and system access number of request make transceiver, the receiver
Information transceiver is made including speech receiver and frequency-selecting number, the receiver communicates to connect with the conference microphone, the meeting
Number is managed by the control between view microphone and makes information transceiver communication connection to control the conference microphone, it is described to connect
It can be communicated to connect between receipts machine, the system access number of request makes transceiver be communicated to connect with the voice transmitter.
2. conference microphone system as claimed in claim 1, it is characterised in that pass through the frequency-selecting number between the receiver
Information transceiver is made to communicate to connect.
3. conference microphone system as claimed in claim 1, it is characterised in that the voice transmitter respectively with the voice
Receiver and the control management number make information transceiver communicate to connect.
4. conference microphone system as claimed in claim 1, it is characterised in that the voice transmitter includes one the oneth MCU
Single-chip microcomputer, and make information transceiver communicate to connect with step number with the frequency-selecting by the first MCU single-chip microcomputers.
5. conference microphone system as claimed in claim 4, it is characterised in that the first MCU single-chip microcomputers and the system
Access request number makes transceiver communication connect.
6. conference microphone system as claimed in claim 5, it is characterised in that the speech receiver includes one the 2nd MCU
Single-chip microcomputer, and make information transceiver communicate with the frequency-selecting number by the 2nd MCU single-chip microcomputers.
7. conference microphone system as claimed in claim 1, it is characterised in that the speech receiver includes several voices
Receiving channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720694761.0U CN207184789U (en) | 2017-06-14 | 2017-06-14 | Conference microphone system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720694761.0U CN207184789U (en) | 2017-06-14 | 2017-06-14 | Conference microphone system |
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| Publication Number | Publication Date |
|---|---|
| CN207184789U true CN207184789U (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720694761.0U Active CN207184789U (en) | 2017-06-14 | 2017-06-14 | Conference microphone system |
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| CN (1) | CN207184789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213029A (en) * | 2019-06-05 | 2019-09-06 | 北京昆羽科技有限公司 | Signal transmission method |
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2017
- 2017-06-14 CN CN201720694761.0U patent/CN207184789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110213029A (en) * | 2019-06-05 | 2019-09-06 | 北京昆羽科技有限公司 | Signal transmission method |
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