CN202103850U - Bluetooth voice module applied to simulative amplification system - Google Patents
Bluetooth voice module applied to simulative amplification system Download PDFInfo
- Publication number
- CN202103850U CN202103850U CN201120207411XU CN201120207411U CN202103850U CN 202103850 U CN202103850 U CN 202103850U CN 201120207411X U CN201120207411X U CN 201120207411XU CN 201120207411 U CN201120207411 U CN 201120207411U CN 202103850 U CN202103850 U CN 202103850U
- Authority
- CN
- China
- Prior art keywords
- bluetooth
- circuit
- audio signal
- public address
- receiver
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model relates to a classroom amplification system, belonging to the field of wireless voice transmission technology, in particular to a Bluetooth voice module applied to a simulative amplification system. The Bluetooth voice module mainly comprises a Bluetooth microphone and a Bluetooth receiver, wherein the Bluetooth microphone and the Bluetooth receiver are connected with each other by Bluetooth wireless channel communication; the Bluetooth receiver is connected with the simulative amplification system by an MIC socket; the Bluetooth receiver processes the received digital voice signal, converts the digital voice signal into the analog signals complying with the standard, and transmits the analog signals to the input terminal of the power amplifier MIC of the simulative amplification system, so as to replace the original cabled microphone, thus realizing the low-cost wireless upgrade of the cabled simulative amplification system.
Description
Technical field
The utility model relates to a kind of classroom public address system, and especially a kind of blue tooth voice module that is applied to simulate public address system belongs to the wireless speech transmission technique field.
Background technology
The classroom public address system has obtained extensive use as one of important tool in the school eduaction in education and instruction.Along with the progressively expansion of education and instruction scale, existing classroom public address system upgraded becomes the problem that usually need face.But in traditional wired interface microphone array, interface microphone limited amount, fixed-site; The sound signal collecting insufficient sensitivity; The covering responding range is limited, is embodied in mainly to show in the daily teaching and can not effectively amplify to teacher's lecture contents, influences quality of instruction; It is seriously asymmetric that system's input is compared to result of use, can face huge financial pressure and can cause great waste and change the upgrading whole system; Reduce though install traditional wireless microphone equipment financial pressure additional, can't avoid conventional wireless microphone equipment volume big, carry shortcomings such as inconvenience, maintenance cost height, interference free performance difference; And if use the wireless microphone system upgrading wired system of professional public address field uhf band; Because this system comes from professional public address field; Thereby public address excellent, technology maturation, but the performance requirement that public address is required with respect to the classroom sound reinforcement system, but there is the superfluous shortcoming of performance index in this system; And this system equipment volume carries inconvenience greatly, maintenance cost is high, power consumption is too high, and be not suitable for the use of the classroom sound reinforcement system of this dense distribution in the school.
Bluetooth technology is as a kind of rapidly short range wireless transmission of development technology in recent years, can not only transmitting high speed data, and good performance is also being arranged aspect the voice signal transmission.Though the quality of speech signal of its transmission is enough to satisfy the instructions for use of classroom sound reinforcement system fully not as professional wireless microphone system; And Bluetooth technology has that volume is little, low in energy consumption, cost plurality of advantages such as control easily.
Therefore, can Bluetooth technology be attached to the during upgrading to overcome above-mentioned defective, for those skilled in the art have opened up brand-new thinking of teacher's public address system.
The utility model content
The utility model aims to provide a kind of blue tooth voice module that is applied to simulate public address system; It replaces the conventional wireless microphone with emerging blue tooth wireless technology and is incorporated into the simulation public address system; Overcome many drawbacks of existing classroom public address system upgrading, its technical scheme that adopts is following:
This blue tooth voice module that is applied to simulate public address system mainly comprises bluetooth Mike and two parts of Bluetooth Receiver; Wherein, Said bluetooth Mike is connected through the blue teeth wireless channel communication with Bluetooth Receiver, and said Bluetooth Receiver is connected with the simulation public address system through the MIC socket.
Preferably, said bluetooth Mike comprises micro-telephone receiver, Bluetooth antenna, transmitting terminal Audio Signal Processing and Bluetooth communication treatment circuit, and said micro-telephone receiver all is connected with said Audio Signal Processing and Bluetooth communication treatment circuit with Bluetooth antenna.
Preferably, said bluetooth Mike adopts the integrated process chip of ISSM1602 bluetooth.
Preferably; Said Bluetooth Receiver comprises governor circuit, audio signal mode switching circuit, audio signal output interface and protective circuit, the processing of receiving terminal Bluetooth communication and audio signal pre-process circuit; Wherein, Said receiving terminal Bluetooth communication is handled and audio signal pre-process circuit, audio signal mode switching circuit, audio signal output interface and protective circuit connect in order, and is connected with said governor circuit respectively.
Preferably, said Bluetooth Receiver also has memory circuit and key shows circuit, and it is connected with said governor circuit respectively.
Preferably, said Bluetooth Receiver adopts the chip of MSP430F122 microcontroller as governor circuit.
With the existing wireless compared with techniques that amplifies, the utlity model has following advantage:
Volume is little, is easy to carry, and good experience is arranged;
Promote cost and be easy to control;
Low in energy consumption, be fit to the small size powered battery, guaranteed the miniaturization of system;
Adopt the frequency hopping communications mode, antijamming capability is extremely strong between the different Mikes;
System buildup is flexible, and bluetooth Mike can each teacher allot one.
Description of drawings
Fig. 1: traditional public address system principle schematic;
Fig. 2: the public address system principle schematic of using the utility model;
Fig. 3: the utility model structural representation;
Fig. 4: the bluetooth Mike's structural representation among Fig. 3;
Fig. 5: the Bluetooth Receiver structural representation among Fig. 3;
Fig. 6: bluetooth Mike's workflow diagram;
Fig. 7: the workflow diagram of Bluetooth Receiver.
Embodiment
Operation principle
Fig. 1 and Fig. 2 can very clearly show the difference between traditional classroom public address system scheme and the utility model scheme; Than changing whole system fully; The utility model only is that original sound signal is upgraded to the part between the MIC socket of simulation public address system (being the shift frequency power amplification system); Adopt the utility model to substitute existing interface microphone; Make full use of existing public address system, excavate the upgrading potentiality of existing system, promote the performance that amplifies of legacy system when practicing thrift cost significantly.
Below in conjunction with accompanying drawing and instance the utility model is described further:
An embodiment of the utility model is as shown in Figure 1; This blue tooth voice module that is applied to simulate public address system mainly comprises bluetooth Mike and two parts of Bluetooth Receiver; Wherein, Bluetooth Mike is connected through the blue teeth wireless channel communication with Bluetooth Receiver, and Bluetooth Receiver is connected with the simulation public address system through the MIC socket.
Bluetooth Mike is used for the collection and the transmission of voice messaging; As shown in Figure 4; Comprising: micro-telephone receiver, Bluetooth antenna, transmitting terminal Audio Signal Processing and Bluetooth communication treatment circuit, micro-telephone receiver all is connected with Audio Signal Processing and Bluetooth communication treatment circuit with Bluetooth antenna; Micro-telephone receiver is gathered voice messaging; Audio Signal Processing and Bluetooth communication treatment circuit are processed into audio digital signals with the voice messaging of gathering; And establish a communications link with Bluetooth Receiver, send the audio digital signals after handling through Bluetooth antenna to Bluetooth Receiver.
This bluetooth Mike can adopt integrated process chip, the integrated process chip of ISSM1602 bluetooth that for example adopts ISSC company to produce.
Bluetooth Receiver mainly is that the audio digital signals that receives is handled; Change into the analog signal transmission that meets certain standard power amplifier MIC input (being the MIC socket) to the simulation public address system; Replacement conventional wired interface microphone is to realize the low-cost wireless upgrading to wired simulation public address system.As shown in Figure 5; Comprising: governor circuit, audio signal mode switching circuit, audio signal output interface and protective circuit, receiving terminal Bluetooth communication are handled and the audio signal pre-process circuit; Wherein, The receiving terminal Bluetooth communication is handled and audio signal pre-process circuit, audio signal mode switching circuit, audio signal output interface and protective circuit connect in order, and is connected with governor circuit respectively.
This Bluetooth Receiver also can have memory circuit and key and show circuit, and it is connected with governor circuit respectively, is used for information stores and carries out man-machine interaction.
This Bluetooth Receiver for example adopts the chip of the MSP430F122 microcontroller of Texas Instruments as governor circuit; Collocation receiving terminal Bluetooth communication handle and the audio signal pre-process circuit in BC215159AU bluetooth receiver module chip, TLP6112A2 Audio Processing chip, and peripheral module such as 12864 dot lcd display modules.
Fig. 6 and Fig. 7 are respectively the workflow diagrams of bluetooth Mike and Bluetooth Receiver.
With way of example the utility model is illustrated above, but the utility model is not limited to above-mentioned specific embodiment, all any changes done based on the utility model or modification all belong to the utility model and require the scope protected.
Claims (6)
1. blue tooth voice module that is applied to simulate public address system; It is characterized in that; Comprise two parts of bluetooth Mike and Bluetooth Receiver; Wherein, said bluetooth Mike is connected through the blue teeth wireless channel communication with Bluetooth Receiver, and said Bluetooth Receiver is connected with the simulation public address system through the MIC socket.
2. a kind of blue tooth voice module that is applied to simulate public address system according to claim 1; It is characterized in that; Said bluetooth Mike comprises micro-telephone receiver, Bluetooth antenna, transmitting terminal Audio Signal Processing and Bluetooth communication treatment circuit, and said micro-telephone receiver all is connected with said Audio Signal Processing and Bluetooth communication treatment circuit with Bluetooth antenna.
3. a kind of blue tooth voice module that is applied to simulate public address system according to claim 1 is characterized in that said bluetooth Mike adopts the integrated process chip of ISSM1602 bluetooth.
4. a kind of blue tooth voice module that is applied to simulate public address system according to claim 1; It is characterized in that; Said Bluetooth Receiver comprises governor circuit, audio signal mode switching circuit, audio signal output interface and protective circuit, the processing of receiving terminal Bluetooth communication and audio signal pre-process circuit; Wherein, Said receiving terminal Bluetooth communication is handled and audio signal pre-process circuit, audio signal mode switching circuit, audio signal output interface and protective circuit connect in order, and is connected with said governor circuit respectively.
5. a kind of blue tooth voice module that is applied to simulate public address system according to claim 4 is characterized in that, said Bluetooth Receiver also has memory circuit and key shows circuit, and it is connected with said governor circuit respectively.
6. a kind of blue tooth voice module that is applied to simulate public address system according to claim 1 is characterized in that, said Bluetooth Receiver adopts the chip of MSP430F122 microcontroller as governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207411XU CN202103850U (en) | 2011-06-20 | 2011-06-20 | Bluetooth voice module applied to simulative amplification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120207411XU CN202103850U (en) | 2011-06-20 | 2011-06-20 | Bluetooth voice module applied to simulative amplification system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202103850U true CN202103850U (en) | 2012-01-04 |
Family
ID=45389846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120207411XU Expired - Fee Related CN202103850U (en) | 2011-06-20 | 2011-06-20 | Bluetooth voice module applied to simulative amplification system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202103850U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218884A (en) * | 2018-08-29 | 2019-01-15 | 北京云迹科技有限公司 | Outer audio equipment for robot and the robot using the audio frequency apparatus |
| CN112995819A (en) * | 2021-02-03 | 2021-06-18 | 深圳市志泽科技有限公司 | Wireless two-way communication system |
-
2011
- 2011-06-20 CN CN201120207411XU patent/CN202103850U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109218884A (en) * | 2018-08-29 | 2019-01-15 | 北京云迹科技有限公司 | Outer audio equipment for robot and the robot using the audio frequency apparatus |
| CN112995819A (en) * | 2021-02-03 | 2021-06-18 | 深圳市志泽科技有限公司 | Wireless two-way communication system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101079265B (en) | Voice signal processing system | |
| CN202353811U (en) | Portable tour guide sound amplifying system | |
| CN102413208A (en) | Method for realizing serial port communication by utilizing mobile phone earphone interface | |
| CN204090124U (en) | Based on the intelligent handheld device audio amplifier control system of bluetooth communication | |
| CN202103850U (en) | Bluetooth voice module applied to simulative amplification system | |
| CN103618981A (en) | Double-channel audio system based on USB and work method thereof | |
| CN202230449U (en) | Wireless electronic equipment integrating microphone, mouse, laser pointer and page-turning functions | |
| CN201332446Y (en) | Remote control and television remote control receiving device | |
| CN203659297U (en) | Communication principle experiment box apparatus for teaching | |
| CN204244433U (en) | A kind of wireless voice intercommunication system | |
| CN108270992A (en) | A kind of intelligent glasses | |
| CN205365640U (en) | Be listed as tail control box | |
| CN201718007U (en) | Building talkback network coupler with communication of analog and digit | |
| CN203801061U (en) | Motion earphone and system thereof | |
| CN201017492Y (en) | Remote-control laser pen | |
| CN202524481U (en) | Micro multi-channel wireless image audio transmission system | |
| CN103297132A (en) | Visible light communication method and signal output device | |
| CN102752019A (en) | Data sending, receiving and transmitting method and system based on headset jack | |
| CN201215957Y (en) | Voice tuning station having USB sound card | |
| CN207543158U (en) | A kind of mobile phone Infrared Data Transmit Device | |
| CN206835086U (en) | A kind of bluetooth transceiver | |
| CN206628110U (en) | A kind of multimedia teaching apparatus | |
| CN202145651U (en) | Telephone set with WIFI routing function | |
| CN201593981U (en) | Navigation unit for blind men adopting mini blind men's keyboard | |
| CN204807181U (en) | Multichannel digit dynamometry changer of weighing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120104 Termination date: 20130620 |