CN108449670A - A kind of intelligent multimedia digital microphone based on ID codes - Google Patents
A kind of intelligent multimedia digital microphone based on ID codes Download PDFInfo
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- CN108449670A CN108449670A CN201810350594.7A CN201810350594A CN108449670A CN 108449670 A CN108449670 A CN 108449670A CN 201810350594 A CN201810350594 A CN 201810350594A CN 108449670 A CN108449670 A CN 108449670A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Computer Networks & Wireless Communication (AREA)
- Transmitters (AREA)
Abstract
The present invention relates to a kind of intelligent multimedia digital microphones based on ID codes, the intelligent multimedia digital microphone based on ID codes includes master control processing module, wireless communication module, telecommunication circuit, communication antenna, ID codes input button, voice acquisition module, speech processing module and data memory module, the master control processing module respectively with the wireless communication module, ID codes input button, speech processing module is connected with data memory module, the voice acquisition module is connect with the speech processing module, the communication antenna, telecommunication circuit, wireless communication module is sequentially connected.The present invention is by loading different ID codes to the audio signal of each microphone, corresponding ID code recognition devices are set in corresponding reception device simultaneously, realize the reception of the progress selectivity to audio signal, avoid the signal interference of other wireless microphones so that the transmission of audio signal, result of broadcast are more preferable.
Description
Technical field
The present invention relates to multimedia digital microphone field, especially a kind of intelligent multimedia digital microphone based on ID codes.
Background technology
With the development of science and technology, more and more advanced science and technologies are applied and every field, people are in daily life
It neutralizes while enjoy modern science and technology in work and offer convenience, reception some production design kindling materials that sometimes also can be passive occur
Defect.For the daily teaching activity of teacher, modern educational technology is convenient with it, flexibly, the advantages that information capacity is big,
It is promoted in more and more schools, but concurrently there is also the using flexible that amplifies, there is also a series of problems.Currently,
The microphone generally used mostly uses greatly wired analog signal and carries out audio transmission.In the transmission process of analog signal, inevitably
It can be influenced by Electromagnetic Interference in environment, and the influence of hand connecting line, there are prodigious flexibility problems.In addition, also
It is exactly the wireless microphone generally used to have, although solving the problems, such as flexibility well, to the various electromagnetism in environment
The interference of signal can only technically inhibit interference signal, although there is certain effect, appoint to solve completely
Certainly interference problem, especially within the confined space, when the digital microphone of multiple messengers works at the same time, it may appear that each other
It interferes with each other, the phenomenon that cross-talk, co-channel interference occurs, such case is difficult to avoid interference.
Invention content
It is an object of the invention to overcome the prior art, a kind of intelligent multimedia number words based on ID codes are provided
Cylinder.
The purpose of the present invention is achieved through the following technical solutions：
A kind of intelligent multimedia digital microphone based on ID codes, the intelligent multimedia digital microphone based on ID codes includes master control
Processing module, wireless communication module, telecommunication circuit, communication antenna, ID codes input button, voice acquisition module, speech processes mould
Block and data memory module, the master control processing module input button, speech processes with the wireless communication module, ID codes respectively
Module is connected with data memory module, and the voice acquisition module is connect with the speech processing module, and the communication antenna leads to
Letter circuit, wireless communication module are sequentially connected, for being led to by described after being handled voice signal and ID confirmations code signal
Letter antenna is sent, and the ID codes input button is for being manually entered ID confirmation codes, and the voice acquisition module is for acquiring
Voice signal, the speech processing module is for will be transmitted to master control processing module, the data storage after Speech processing
Module is for storing the ID confirmation codes that the master control processing module is sent.
Further, the telecommunication circuit includes inductance L1, inductance L2, capacitance C1, capacitance C2, resistance R1, resistance R2, and three
Grade pipe Q1, triode Q2, communication antenna Y1, crystal oscillator N1, one end of the inductance L1 is electrically connected with positive pole, and inductance L1's is another
One end is electrically connected by crystal oscillator N1 with the base stage of triode Q1, the base stage that the other end of inductance L1 passes through resistance R1 and triode Q1
Electrical connection, the other end of inductance L1 are electrically connected by inductance L2 with the collector of triode Q1, and the other end of inductance L1 passes through electricity
Holding C1 to be electrically connected with the emitter of triode Q1, the collector of triode Q1 is electrically connected by capacitance C2 with communication antenna Y1, and three
The emitter of grade pipe Q1 is electrically connected with the transmitting collector of triode Q2, and the base stage of triode Q2 passes through resistance R2 and controller electricity
Connection, the emitter of triode Q2 are electrically connected with ground terminal.
Further, the voice acquisition module includes resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance
R9, capacitance C3, capacitance C4, capacitance C5, capacitance C6, capacitance C7, capacitance C8, capacitance C9, triode Q1, microphone M1, the electricity
The one end for hindering R4 is voice signal output end, and the other end is electrically connected by capacitance C4 with the collector of triode Q1, triode Q1
Collector be electrically connected with power supply VCC by resistance R5, the base stage that the collector of triode Q1 passes through resistance R6 and triode Q1
Electrical connection, capacitance C5 are electrically connected with one end after resistance R7 parallel connections with the emitter of triode Q1, and capacitance C5 is in parallel with resistance R7
The other end afterwards is electrically connected with ground terminal, and the base stage of triode Q1 is electrically connected by capacitance C6 with ground terminal, the base of triode Q1
Pole is also electrically connected by resistance R9 with the positive input terminal of microphone M1, and the negative input end of microphone M1 is electrically connected with ground terminal, wheat
The positive input terminal of gram wind M1 is electrically connected by capacitance C7 with ground terminal, and one end of resistance R9 and the positive input terminal of microphone M1 are electrically connected
It connects, the other end of resistance R9 is electrically connected by resistance R8 with power supply VCC, and the other end of resistance R9 also passes through resistance C8 and ground terminal
Electrical connection.
Further, the intelligent multimedia digital microphone based on ID codes further includes data disaply moudle, the data
The ID code information that display module is used to that display to be assisted to input, the data disaply moudle are LCD liquid crystal displays.
Further, the wireless communication module includes one or more in 3G, 4G, 5G, WIFI and bluetooth.
Further, the data memory module includes memory modules and removable hard disk module, the memory modules and shifting
Dynamic hard disc module is connect with the master control processing module respectively.
Further, the intelligent multimedia digital microphone based on ID codes further includes power supply module, the power supply
Power module includes power supply and power supply management circuit, and the power supply is based on by the power supply management circuit to described
The intelligent multimedia digital microphone of ID codes is powered, and the power supply management circuit is rechargeable battery.
The present invention has the following advantages：
The present invention can not only solve the flexibility problem that existing wireless microphone uses well, and can be good at solving string
It disturbs, problem of co-channel interference, especially when multiple wireless microphones are used at the same time, by adding to the audio signal of each microphone
Different ID codes are carried, while corresponding ID code recognition devices are set in corresponding reception device, thus may be implemented to sound
The reception of the progress selectivity of frequency signal, to avoid the signal interference of other wireless microphones well so that audio signal
Transmission, result of broadcast it is more preferable.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention；
Fig. 2 is the telecommunication circuit structural schematic diagram of the present invention；
Fig. 3 is the voice acquisition module structural schematic diagram of the present invention.
Specific implementation mode
The present invention will be further described below in conjunction with the accompanying drawings, but protection scope of the present invention is not limited to following institute
It states.
As shown in Figure 1, a kind of intelligent multimedia digital microphone based on ID codes, the intelligent multimedia number based on ID codes
Word microphone includes master control processing module, wireless communication module, telecommunication circuit, communication antenna, ID codes input button, voice collecting mould
Block, speech processing module and data memory module, the master control processing module are inputted with the wireless communication module, ID codes respectively
Button, speech processing module are connected with data memory module, and the voice acquisition module is connect with the speech processing module, institute
It states communication antenna, telecommunication circuit, wireless communication module to be sequentially connected, for voice signal to be confirmed that code signal is handled with ID
It is sent afterwards by the communication antenna, the ID codes input button is for being manually entered ID confirmation codes, the voice collecting
Module for acquiring voice signal, the speech processing module is used to that master control processing module will to be transmitted to after Speech processing,
The data memory module is for storing the ID confirmation codes that the master control processing module is sent.
Further, the telecommunication circuit includes inductance L1, inductance L2, capacitance C1, capacitance C2, resistance R1, resistance R2, and three
Grade pipe Q1, triode Q2, communication antenna Y1, crystal oscillator N1, one end of the inductance L1 is electrically connected with positive pole, and inductance L1's is another
One end is electrically connected by crystal oscillator N1 with the base stage of triode Q1, the base stage that the other end of inductance L1 passes through resistance R1 and triode Q1
Electrical connection, the other end of inductance L1 are electrically connected by inductance L2 with the collector of triode Q1, and the other end of inductance L1 passes through electricity
Holding C1 to be electrically connected with the emitter of triode Q1, the collector of triode Q1 is electrically connected by capacitance C2 with communication antenna Y1, and three
The emitter of grade pipe Q1 is electrically connected with the transmitting collector of triode Q2, and the base stage of triode Q2 passes through resistance R2 and controller electricity
Connection, the emitter of triode Q2 are electrically connected with ground terminal.
Further, the voice acquisition module includes resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance
R9, capacitance C3, capacitance C4, capacitance C5, capacitance C6, capacitance C7, capacitance C8, capacitance C9, triode Q1, microphone M1, the electricity
The one end for hindering R4 is voice signal output end, and the other end is electrically connected by capacitance C4 with the collector of triode Q1, triode Q1
Collector be electrically connected with power supply VCC by resistance R5, the base stage that the collector of triode Q1 passes through resistance R6 and triode Q1
Electrical connection, capacitance C5 are electrically connected with one end after resistance R7 parallel connections with the emitter of triode Q1, and capacitance C5 is in parallel with resistance R7
The other end afterwards is electrically connected with ground terminal, and the base stage of triode Q1 is electrically connected by capacitance C6 with ground terminal, the base of triode Q1
Pole is also electrically connected by resistance R9 with the positive input terminal of microphone M1, and the negative input end of microphone M1 is electrically connected with ground terminal, wheat
The positive input terminal of gram wind M1 is electrically connected by capacitance C7 with ground terminal, and one end of resistance R9 and the positive input terminal of microphone M1 are electrically connected
It connects, the other end of resistance R9 is electrically connected by resistance R8 with power supply VCC, and the other end of resistance R9 also passes through resistance C8 and ground terminal
Electrical connection.
Further, the intelligent multimedia digital microphone based on ID codes further includes data disaply moudle, the data
The ID code information that display module is used to that display to be assisted to input, the data disaply moudle are LCD liquid crystal displays.
Further, the wireless communication module includes one or more in 3G, 4G, 5G, WIFI and bluetooth.
Further, the data memory module includes memory modules and removable hard disk module, the memory modules and shifting
Dynamic hard disc module is connect with the master control processing module respectively.
Further, the intelligent multimedia digital microphone based on ID codes further includes power supply module, the power supply
Power module includes power supply and power supply management circuit, and the power supply is based on by the power supply management circuit to described
The intelligent multimedia digital microphone of ID codes is powered, and the power supply management circuit is rechargeable battery.
It should be noted that for each embodiment of the method above-mentioned, for simple description, therefore it is all expressed as to a system
The combination of actions of row, but those skilled in the art should understand that, the application is not limited by the described action sequence, because
For according to the application, certain some step can be performed in other orders or simultaneously.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, involved action and unit not necessarily this Shen
It please be necessary.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, is not described in some embodiment
Part, may refer to the associated description of other embodiment.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, ROM, RAM etc..
The above disclosure is only the preferred embodiments of the present invention, cannot limit the right model of the present invention with this certainly
It encloses, therefore equivalent changes made in accordance with the claims of the present invention, is still within the scope of the present invention.
Claims (7)
1. a kind of intelligent multimedia digital microphone based on ID codes, it is characterised in that：The intelligent multimedia number based on ID codes
Word microphone includes master control processing module, wireless communication module, telecommunication circuit, communication antenna, ID codes input button, voice collecting mould
Block, speech processing module and data memory module, the master control processing module are inputted with the wireless communication module, ID codes respectively
Button, speech processing module are connected with data memory module, and the voice acquisition module is connect with the speech processing module, institute
It states communication antenna, telecommunication circuit, wireless communication module to be sequentially connected, for voice signal to be confirmed that code signal is handled with ID
It is sent afterwards by the communication antenna, the ID codes input button is for being manually entered ID confirmation codes, the voice collecting
Module for acquiring voice signal, the speech processing module is used to that master control processing module will to be transmitted to after Speech processing,
The data memory module is for storing the ID confirmation codes that the master control processing module is sent.
2. a kind of intelligent multimedia digital microphone based on ID codes according to claim 1, it is characterised in that：The communication
Circuit includes inductance L1, inductance L2, capacitance C1, capacitance C2, resistance R1, resistance R2, triode Q1, triode Q2, communication antenna
Y1, crystal oscillator N1, one end of the inductance L1 are electrically connected with positive pole, and the other end of inductance L1 passes through crystal oscillator N1 and triode Q1
Base stage electrical connection, the other end of inductance L1 is electrically connected by resistance R1 with the base stage of triode Q1, and the other end of inductance L1 leads to
It crosses inductance L2 to be electrically connected with the collector of triode Q1, the other end of inductance L1 passes through the emitter electricity of capacitance C1 and triode Q1
Connection, the collector of triode Q1 are electrically connected by capacitance C2 with communication antenna Y1, emitter and the triode Q2 of triode Q1
The electrical connection of transmitting collector, the base stage of triode Q2 is electrically connected with the controller by resistance R2, the emitter of triode Q2 with
Ground terminal is electrically connected.
3. a kind of intelligent multimedia digital microphone based on ID codes according to claim 1, it is characterised in that：The voice
Acquisition module includes resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R9, capacitance C3, capacitance C4, capacitance C5, electricity
Holding C6, capacitance C7, capacitance C8, one end of capacitance C9, triode Q1, microphone M1, the resistance R4 are voice signal output end,
The other end is electrically connected by capacitance C4 with the collector of triode Q1, and the collector of triode Q1 passes through resistance R5 and power supply VCC
Electrical connection, the collector of triode Q1 is electrically connected by resistance R6 with the base stage of triode Q1, after capacitance C5 is in parallel with resistance R7
One end be electrically connected with the emitter of triode Q1, capacitance C5 is electrically connected with the other end after resistance R7 parallel connections with ground terminal, three
The base stage of grade pipe Q1 is electrically connected by capacitance C6 with ground terminal, the base stage of triode Q1 also by resistance R9 and microphone M1 just
Input terminal is electrically connected, and the negative input end of microphone M1 is electrically connected with ground terminal, the positive input terminal of microphone M1 by capacitance C7 and
Ground terminal is electrically connected, and one end of resistance R9 is electrically connected with the positive input terminal of microphone M1, and the other end of resistance R9 passes through resistance R8
It is electrically connected with power supply VCC, the other end of resistance R9 is also electrically connected by resistance C8 with ground terminal.
4. a kind of intelligent multimedia digital microphone based on ID codes according to claim 1, it is characterised in that：It is described to be based on
The intelligent multimedia digital microphone of ID codes further includes data disaply moudle, what the data disaply moudle was used to that display to be assisted to input
ID code information, the data disaply moudle are LCD liquid crystal displays.
5. a kind of intelligent multimedia digital microphone based on ID codes according to claim 1, it is characterised in that：It is described wireless
Communication module includes one or more in 3G, 4G, 5G, WIFI and bluetooth.
6. a kind of intelligent multimedia digital microphone based on ID codes according to claim 1, it is characterised in that：The data
Memory module includes memory modules and removable hard disk module, the memory modules and removable hard disk module respectively at the master control
Manage module connection.
7. a kind of intelligent multimedia digital microphone based on ID codes according to claim 1, it is characterised in that：It is described to be based on
The intelligent multimedia digital microphone of ID codes further includes power supply module, and the power supply module includes power supply and power supply
Circuit is managed, the power supply is supplied by the power supply management circuit to the intelligent multimedia digital microphone based on ID codes
Electricity, the power supply management circuit are rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350594.7A CN108449670A (en) | 2018-04-18 | 2018-04-18 | A kind of intelligent multimedia digital microphone based on ID codes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810350594.7A CN108449670A (en) | 2018-04-18 | 2018-04-18 | A kind of intelligent multimedia digital microphone based on ID codes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108449670A true CN108449670A (en) | 2018-08-24 |
Family
ID=63200918
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810350594.7A Withdrawn CN108449670A (en) | 2018-04-18 | 2018-04-18 | A kind of intelligent multimedia digital microphone based on ID codes |
Country Status (1)
| Country | Link |
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| CN (1) | CN108449670A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381419A (en) * | 2019-07-17 | 2019-10-25 | 上海航盛实业有限公司 | A kind of wireless microphone system and its method for transmitting signals |
-
2018
- 2018-04-18 CN CN201810350594.7A patent/CN108449670A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110381419A (en) * | 2019-07-17 | 2019-10-25 | 上海航盛实业有限公司 | A kind of wireless microphone system and its method for transmitting signals |
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Legal Events
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| PB01 | Publication | ||
| PB01 | Publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180824 |
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| WW01 | Invention patent application withdrawn after publication |