CN206790667U - A kind of multifunction microphone - Google Patents
A kind of multifunction microphone Download PDFInfo
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- CN206790667U CN206790667U CN201720706223.9U CN201720706223U CN206790667U CN 206790667 U CN206790667 U CN 206790667U CN 201720706223 U CN201720706223 U CN 201720706223U CN 206790667 U CN206790667 U CN 206790667U
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Abstract
The utility model discloses a kind of multifunction microphone, belong to wireless telecommunications and field of audio processing, the microphone includes signal processing circuit and audio frequency processing circuit, and signal processing circuit connects KEY circuits, wireless receiving circuit, radio transmitter and audio power amplifier circuit respectively；Audio frequency processing circuit connects sound collection circuit, mixer circuit, radio transmitter and audio power amplifier circuit respectively；The output end of the input connection audio power amplifier circuit of loudspeaker.Multifunction microphone provided by the utility model is applicable not only to a variety of wireless communication modes, and song can effectively be mixed with user voice, amplified and polishing, realize the adjustable elimination of original singer of song, the scene such as the microphone can be widely applied to vehicle-mounted, Outdoor voice box amusement or interior is explained and publicised, meeting.
Description
Technical field
The utility model belongs to wireless telecommunications and field of audio processing, more particularly to a kind of multifunction microphone.
Background technology
Conventional microphone majority is made up of microphone, power amplifier unit and audio player, passes through wired connection mode and sound
The devices such as case, TV connect, and only have sound amplification function.Conventional microphone has numerous shortcomings, including function is single, connected mode office
Limit etc., can not particularly be connected with New Media players such as flat board, mobile phone, Baffle Box of Bluetooth.Although existing multifunction microphone
Conventional microphone is improved and upgraded, but still has a variety of shortcomings, the wireless communication mode of existing microphone has limitation
Property, it is impossible to the modes such as Wifi, bluetooth are fully contemplated by, while lack song store function, also without sound mixing function, are particularly closed
In the adjustable elimination function of the original singer of song, there is presently no pertinent literature to be related to.
Utility model content
In view of this, multifunction microphone provided by the utility model is applicable not only to a variety of wireless communication modes, Er Qieneng
Song is effectively mixed with user voice, amplified with polishing, realizes the adjustable elimination of original singer of song, the microphone can extensive use
Explain and publicise in the amusement of vehicle-mounted, Outdoor voice box or interior, the scene such as meeting.
The utility model is solved the above problems by following technological means：
A kind of multifunction microphone, it is characterised in that including signal processing circuit, KEY circuits, wireless receiving circuit, wireless
Radiating circuit, audio frequency processing circuit, sound collection circuit, mixer circuit, audio frequency processing circuit, audio power amplifier circuit and raise one's voice
Device, wherein：Signal processing circuit connects KEY circuits, wireless receiving circuit, radio transmitter and audio power amplifier circuit respectively；
Audio frequency processing circuit connects sound collection circuit, mixer circuit, radio transmitter and audio power amplifier circuit respectively；Loudspeaker
Input connects the output end of audio power amplifier circuit.
Further, in addition to power supply and voltage conversion circuit, the power supply by voltage conversion circuit into microphone it is each
Individual circuit module power supply.
Further, in addition to charging circuit and usb circuit, usb circuit connect power supply by charging circuit
Battery.
Further, in addition to SD circuits or TF card read/write circuit, the SD circuits or TF card read/write circuit connect signal
Process circuit.
Further, including two groups of audio power amplifier circuits and loudspeaker, the input of audio power amplifier circuit connect letter respectively
Number process circuit and audio frequency processing circuit, the input of the output end connection loudspeaker signal of audio power amplifier circuit.
Further, the wireless receiving circuit is included in bluetooth receiving circuit, FM receiving circuits or Wifi receiving circuits
One or more, the wireless transmitter module include Bluetooth transmission circuit, FM radiating circuits or Wifi radiating circuits in one
Kind is a variety of.
Further, in addition to circular shell, the inside of circular shell are used for mounting circuit boards and battery, sound collection electricity
The microphone on road is arranged on the top of circular shell, and the physical button of KEY circuits is arranged on the side of circular shell, and loudspeaker is set
The side or bottom of circular shell is put, USB interface and SD card interface are arranged on the side or bottom of circular shell.
Further, the side of circular shell is additionally provided with display screen, and the display screen connects signal processing circuit.
Further, in addition to angle sensor circuit, the angle sensor circuit connect signal processing circuit.
A kind of multifunction microphone of the present utility model has the advantages that：
The utility model discloses a kind of multifunction microphone, belong to wireless telecommunications and field of audio processing, the microphone includes
Signal processing circuit and audio frequency processing circuit, signal processing circuit connect KEY circuits, wireless receiving circuit, wireless transmission respectively
Circuit and audio power amplifier circuit；Audio frequency processing circuit connects sound collection circuit, mixer circuit, radio transmitter and sound respectively
Frequency power amplifier；The output end of the input connection audio power amplifier circuit of loudspeaker.Multifunction microphone provided by the utility model
A variety of wireless communication modes are applicable not only to, and song can effectively be mixed with user voice, amplified with polishing, realize song
The scene such as the adjustable elimination of original singer, the microphone can be widely applied to the amusement of vehicle-mounted, Outdoor voice box or interior is explained and publicised, meeting.
The utility model discloses a kind of multifunction microphone itself to have loudspeaker function, and internal mixer circuit can be effective
Realize audio mixing, the landscaping effect of voice, meanwhile, signal processing circuit can be directed to input chant music realize original singer eliminate,
Music song after voice after beautifying functions, either audio mixing is still handled can carry loudspeaker broadcasting by microphone,
Powerful audio amplifier can also be transferred to by radio transmitter to play.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model, below by embodiment it is required use it is attached
Figure is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is a kind of circuit connection diagram of multifunction microphone of the utility model；
Fig. 2 is a kind of circuit model schematic diagram of multifunction microphone of the utility model；
Fig. 3 is a kind of signal processing circuit connection diagram of multifunction microphone of the utility model；
Fig. 4 is a kind of audio frequency processing circuit connection diagram of multifunction microphone of the utility model；
Fig. 5 is a kind of mixer circuit connection diagram of multifunction microphone of the utility model；
Fig. 6 is a kind of KEY circuit connection diagrams of multifunction microphone of the utility model；
Fig. 7 is a kind of voltage conversion circuit connection diagram of multifunction microphone of the utility model；
Fig. 8 is a kind of product structure first embodiment structural representation of multifunction microphone of the utility model；
Fig. 9 is a kind of product structure second embodiment structural representation of multifunction microphone of the utility model.
In figure, 1- circular shells, 2-MIC, 3- loudspeaker, 4- physical buttons, 5- interface pedestals, 6- display screens.
Embodiment
In description of the present utility model, it is to be understood that term " " center ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outer " is based on accompanying drawing institutes
The orientation or position relationship shown, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply and be signified
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
New limitation.Term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed or
Implicitly include one or more this feature.In description of the present utility model, unless otherwise indicated, the implication of " multiple "
It is two or more.
The utility model is described in detail below with reference to accompanying drawing.
As shown in figure 1, a kind of multifunction microphone, including signal processing circuit, KEY circuits, wireless receiving circuit, wireless hair
Transmit-receive radio road, audio frequency processing circuit, sound collection circuit, mixer circuit, audio frequency processing circuit, audio power amplifier circuit and loudspeaker,
Wherein：Signal processing circuit connects KEY circuits, wireless receiving circuit, radio transmitter and audio power amplifier circuit respectively；Audio
Process circuit connects sound collection circuit, mixer circuit, radio transmitter and audio power amplifier circuit respectively；The input of loudspeaker
The output end of end connection audio power amplifier circuit.Also include power supply and voltage conversion circuit, the power supply passes through voltage conversion circuit
Each circuit module power supply into microphone, in addition to charging circuit and usb circuit, usb circuit pass through charging circuit
Power-supply battery, in addition to SD circuits are connected, the SD circuits connect signal processing circuit.
Specifically, the multifunction microphone includes two groups of audio power amplifier circuits and loudspeaker, the input of audio power amplifier circuit
Signal processing circuit and audio frequency processing circuit, the input of the output end connection loudspeaker signal of audio power amplifier circuit are connected respectively
End.
As shown in Fig. 2 signal processing circuit includes AC6905A chips, the chip has signal transacting and Bluetooth communication energy
Power, the physical circuit connection of AC6905A chips are as shown in Figure 3；Audio frequency processing circuit includes LPA4809M chips, and the chip is double
Channel audio power amplifier, 105mW mean power can be provided per passage, the particular circuit configurations of LPA4809M chips are as schemed
Shown in 4；Microphone connects mixer circuit by LPA4809M chips, and mixer circuit includes CD2399F chips, and the chip has mixed
Tone section and sound regulatory function, the pin relation of CD2399F chips are as shown in Figure 5；Wireless receiving circuit is received using bluetooth
Mode, radio transmitter use FM radiation patterns, and FM radiating circuits can include YA8027 chips, 4494 chips or 6TCC cores
Piece；Audio power amplifier circuit can use NS4165 chips, and the chip is 5W high efficiency monophonic audio power amplifier chips, for driving
5W loudspeakers.
As shown in fig. 6, KEY circuits include 4 physical buttons, respectively SW1, SW2, SW3 and SW4, above-mentioned switch key
Place circuit connects signal processing circuit respectively.
As shown in fig. 7, voltage conversion circuit includes FB6276B6Ur chips, power supply includes 4.2V supplying cells, power supply electricity
Pond can be charged by the USB interface that charges, and charging circuit includes LTC4054 chips.
As shown in Figure 8,9, the utility model proposes the agent structure of multifunction microphone include circular shell 1, it is circular
The inside of housing 1 is used for mounting circuit boards and battery, and the microphone 2 of sound collection circuit is arranged on the top of circular shell 1,
The physical button 4 of KEY circuits is arranged on the side of circular shell 1, and loudspeaker 3 sets the side or bottom of circular shell 1, USB
Interface and SD card interface are arranged on the side or bottom of circular shell 1.
Specifically, in fig. 8, the bottom of circular shell 1 is provided with interface pedestal 5, and USB is provided with open seat 5
Interface, SD card slot etc., loudspeaker 3 are symmetrical arranged the middle and upper part side of circular shell 1.In fig.9, loudspeaker 3 is arranged on circle
The bottom of housing 1, meanwhile, display screen 6 can also be set in the side of circular shell 1, and display screen 6 connects signal processing circuit.
It should be noted that also including angle sensor circuit, the angle sensor circuit connects signal processing circuit.
During real work, user can be manipulated when singing by way of rocking microphone, avoid physical button 4 or touch screen from grasping
Pause caused by during control.For example, user can microphone is secondary to realize that song repeats playing by rocking, can also be by rocking words
Cylinder realizes that next song commences play out three times, that is, cuts song function, further increases the interactive experience of multifunction microphone.
The utility model discloses a kind of multifunction microphone, belong to wireless telecommunications and field of audio processing, the microphone includes
Signal processing circuit and audio frequency processing circuit, signal processing circuit connect KEY circuits, wireless receiving circuit, wireless transmission respectively
Circuit and audio power amplifier circuit；Audio frequency processing circuit connects sound collection circuit, mixer circuit, radio transmitter and sound respectively
Frequency power amplifier；The output end of the input connection audio power amplifier circuit of loudspeaker, wherein signal processing circuit realize music, song
Bent beautification and former sound are eliminated, and former sound eliminates to be eliminated using software algorithm, and audio frequency processing circuit can realize the audio mixing effect of voice
Fruit, either treated music song or the mixed person can select directly to play by carrying loudspeaker,
It can be played by way of being wirelessly transferred on more powerful audio amplifier.Multifunction microphone provided by the utility model is not only fitted
For a variety of wireless communication modes, and song can effectively be mixed with user voice, amplified and polished, realize the original singer of song
The scene such as adjustable elimination, the microphone can be widely applied to the amusement of vehicle-mounted, Outdoor voice box or interior is explained and publicised, meeting.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：
It can still modify to the technical scheme described in foregoing embodiments, or which part technical characteristic is carried out etc.
With replacement；And these modifications or replacement, the essence of appropriate technical solution is departed from various embodiments of the utility model technology
The spirit and scope of scheme.
Claims (9)
1. a kind of multifunction microphone, it is characterised in that including signal processing circuit, KEY circuits, wireless receiving circuit, wireless hair
Transmit-receive radio road, audio frequency processing circuit, sound collection circuit, mixer circuit, audio power amplifier circuit and loudspeaker, wherein：Signal transacting
Circuit connects KEY circuits, wireless receiving circuit, radio transmitter and audio power amplifier circuit respectively；Audio frequency processing circuit is distinguished
Connect sound collection circuit, mixer circuit, radio transmitter and audio power amplifier circuit；The input connection audio work(of loudspeaker
The output end on electric discharge road.
2. multifunction microphone according to claim 1, it is characterised in that：Also include power supply and voltage conversion circuit, it is described
Power supply each circuit module power supply into microphone by voltage conversion circuit.
3. multifunction microphone according to claim 2, it is characterised in that：Also include charging circuit and usb circuit,
Usb circuit connects power-supply battery by charging circuit.
4. multifunction microphone according to claim 3, it is characterised in that：Also include SD circuits or TF card read/write circuit, institute
State SD circuits or TF card read/write circuit connection signal processing circuit.
5. multifunction microphone according to claim 4, it is characterised in that：Including two groups of audio power amplifier circuits and loudspeaker,
The input of audio power amplifier circuit connects signal processing circuit and audio frequency processing circuit respectively, and the output end of audio power amplifier circuit connects
Connect the input of loudspeaker signal.
6. multifunction microphone according to claim 5, it is characterised in that：The wireless receiving circuit includes bluetooth and receives electricity
One or more in road, FM receiving circuits or Wifi receiving circuits, the wireless transmitter module include Bluetooth transmission circuit, FM
One or more in radiating circuit or Wifi radiating circuits.
7. multifunction microphone according to claim 6, it is characterised in that：Also include circular shell, the inside of circular shell
For mounting circuit boards and battery, the microphone of sound collection circuit is arranged on the top of circular shell, and the physics of KEY circuits is pressed
Key is arranged on the side of circular shell, and loudspeaker sets the side or bottom of circular shell, and USB interface and SD card interface are arranged on
The side or bottom of circular shell.
8. multifunction microphone according to claim 7, it is characterised in that：The side of circular shell is additionally provided with display screen,
The display screen connects signal processing circuit.
9. multifunction microphone according to claim 8, it is characterised in that：Also include angle sensor circuit, the angle
Sensor circuit connects signal processing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706223.9U CN206790667U (en) | 2017-06-18 | 2017-06-18 | A kind of multifunction microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720706223.9U CN206790667U (en) | 2017-06-18 | 2017-06-18 | A kind of multifunction microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206790667U true CN206790667U (en) | 2017-12-22 |
Family
ID=60717869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720706223.9U Active CN206790667U (en) | 2017-06-18 | 2017-06-18 | A kind of multifunction microphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206790667U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872742A (en) * | 2017-12-24 | 2018-04-03 | 茂名市茂南区中小企业服务中心 | A kind of microphone of integrated audio |
| CN109302575A (en) * | 2018-08-21 | 2019-02-01 | 广州市保伦电子有限公司 | A kind of wifi conference system based on IOT module |
-
2017
- 2017-06-18 CN CN201720706223.9U patent/CN206790667U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107872742A (en) * | 2017-12-24 | 2018-04-03 | 茂名市茂南区中小企业服务中心 | A kind of microphone of integrated audio |
| CN109302575A (en) * | 2018-08-21 | 2019-02-01 | 广州市保伦电子有限公司 | A kind of wifi conference system based on IOT module |
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