CN207968786U - A kind of microphone - Google Patents
A kind of microphone Download PDFInfo
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- CN207968786U CN207968786U CN201820210814.1U CN201820210814U CN207968786U CN 207968786 U CN207968786 U CN 207968786U CN 201820210814 U CN201820210814 U CN 201820210814U CN 207968786 U CN207968786 U CN 207968786U
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Abstract
The utility model embodiment provides a kind of microphone, including：Voice input module, accompaniment input module, the stereo output module being connect with the voice input module, the mix module being connect with the accompaniment input module and the stereo output module, the output module being connect with the mix module；The voice input module, for obtaining voice signal；The accompaniment input module, the accompaniment signal for obtaining external accompaniment apparatus input；The stereo output module generates two-channel reverberation human voice signal for using the voice signal；The mix module generates stereo-mixing signal for carrying out stereo process using the two-channel reverberation human voice signal and the accompaniment signal；The output module, for the stereo-mixing signal to be output to receiving device.In the utility model embodiment, output module can be output to receiving device with stereo-mixing signal, stereo to receiving device output to realize.
Description
Technical field
The utility model is related to microphone techniques fields, more particularly to a kind of microphone.
Background technology
With the change of life ＆ amusement mode, much people like microphone and external equipment (for example, monitoring ear at present
Machine, mobile terminal) connection, the voice signal that microphone acquires is transferred directly to external equipment, so as in external equipment
It listens to the song of oneself or song is shared with other people.
But monophonic signal can only be transferred to external equipment by current microphone, cannot achieve stereo signal
It is transferred to external equipment.
Utility model content
In view of the above problems, it is proposed that the utility model embodiment overcoming the above problem or at least portion in order to provide one kind
A kind of microphone to solve the above problems with dividing.
To solve the above-mentioned problems, the utility model embodiment discloses a kind of microphone, including：
Voice input module, accompaniment input module, the stereo output module being connect with the voice input module and institute
The mix module for stating accompaniment input module and the stereo output module connection, the output mould being connect with the mix module
Block；
The voice input module, for obtaining voice signal；
The accompaniment input module, the accompaniment signal for obtaining external accompaniment apparatus input；
The stereo output module generates two-channel reverberation human voice signal for using the voice signal；
The mix module, for carrying out audio mixing using the two-channel reverberation human voice signal and the accompaniment signal
Processing generates stereo-mixing signal；
The output module, for the stereo-mixing signal to be output to receiving device.
Preferably, the stereo output module includes：Governor circuit and Digital Signal Processing DSP circuit；
The governor circuit and DSP circuit generate two-channel reverberation human voice signal for using the voice signal；Institute
It is analog signal to state two-channel reverberation human voice signal.
Preferably, the receiving device includes monitoring headpone, and the mix module includes the first mixer circuit, the output
Module includes the headphone monitor module being connect with first mixer circuit；
First mixer circuit, for being carried out using the two-channel reverberation human voice signal and the accompaniment signal
Stereo process generates the first stereo-mixing signal；
The headphone monitor module, for the first stereo-mixing signal to be output to monitoring headpone.
Preferably, the headphone monitor module includes：The headphone monitor circuit being connect with first mixer circuit, and
The headphone monitor interface being connect with the headphone monitor circuit；
The headphone monitor circuit, for by the headphone monitor interface by the first stereo-mixing signal, it is defeated
Go out to monitoring headpone.
Preferably, the governor circuit and DSP circuit are additionally operable to, and generate binaural cue sound signal；
First mixer circuit is additionally operable to using the two-channel reverberation human voice signal, the accompaniment signal, Yi Jisuo
It states binaural cue sound signal and carries out stereo process, generate the first stereo-mixing signal.
Preferably, the receiving device further includes terminal, and the mix module further includes the second mixer circuit, the output
Module further includes the terminal communication module being connect with second mixer circuit；
Second mixer circuit, for being carried out using the two-channel reverberation human voice signal and the accompaniment signal
Stereo process generates the second stereo-mixing signal；
The terminal communication module, for the second stereo-mixing signal to be output to terminal.
Preferably, the terminal communication module includes：The general-purpose serial bus USB bridge being connect with second mixer circuit
Circuit, and the data-interface that is connect with the USB bridge circuits；The data-interface is connect by data line with terminal；
Second stereo-mixing signal of the second mixer circuit output, the number is reached by the USB bridge circuits
According to interface, the data line by accessing the data-interface is output to terminal.
Preferably, the voice input module includes：Sound head, the pre-amplification circuit being connect with the sound head, with it is described
The analog to digital conversion circuit of pre-amplification circuit connection；
The sound head is used for collected sound signal；
The pre-amplification circuit, for being amplified processing to the voice signal；
Analog-digital conversion circuit as described, for by the voice signal after enhanced processing, digital signal to be converted to by analog signal.
Preferably, the accompaniment input module includes：Accompaniment input interface, the accompaniment being connect with the accompaniment input interface
Input circuit, the D/A converting circuit being connect with the accompaniment input circuit；
The accompaniment input circuit, the accompaniment for receiving external accompaniment apparatus input by the accompaniment input interface are believed
Number；
The D/A converting circuit, for by the accompaniment signal, analog signal to be converted to by digital signal.
The utility model embodiment also discloses a kind of microphone, including：
Voice input module, accompaniment input module, the stereo output module being connect with the voice input module and institute
The mix module for stating accompaniment input module and the stereo output module connection, the output mould being connect with the mix module
Block；
The voice input module is used for collected sound signal；
The accompaniment input module, the accompaniment signal for obtaining external accompaniment apparatus input；
The stereo output module, for generating sound channel human voice signal, and generation alliteration using the voice signal
Road prompts sound signal；
The mix module, for using the sound channel human voice signal, the accompaniment signal and the binaural cue
Sound signal carries out stereo process, generates stereo-mixing signal；
The output module, for the stereo-mixing signal to be output to receiving device.
The utility model embodiment includes following advantages：
In the utility model embodiment, microphone is provided with voice input module, accompaniment input module, three-dimensional voice output
Module, mix module, output module.When user sings, voice input module can obtain the voice signal of user；It accompanies defeated
Entering module can connect with external accompaniment apparatus, receive accompaniment signal；Voice input module may be used in stereo output module
The voice signal of output generates two-channel reverberation human voice signal；Mix module can be by the accompaniment signal for input module output of accompanying
Stereo process is carried out with the two-channel reverberation human voice signal of stereo output module output, generates stereo-mixing signal；Output
Module can be connect with receiving device (for example, monitoring headpone, mobile phone, computer), and the stereo-mixing of mix module output is believed
Number be output to receiving device, to realize exported to receiving device it is stereo.
Description of the drawings
Fig. 1 is a kind of structure diagram of microphone embodiment of the utility model；
Fig. 2 is the structure chart of voice input module in the utility model embodiment；
Fig. 3 is the structure chart of accompaniment input module in the utility model embodiment；
Fig. 4 is the schematic diagram of headphone monitor module in the utility model embodiment；
Fig. 5 is the structure chart of terminal communication module in the utility model embodiment；
Fig. 6 is the structure chart of the utility model embodiment microphone；
Fig. 7 is the schematic diagram that microphone is connect with terminal in the utility model embodiment.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings and have
Body embodiment is described in further detail the utility model.
Referring to Fig.1, the structure diagram for showing a kind of microphone embodiment of the utility model, can specifically include：
Voice input module 10, three-dimensional voice output mould accompaniment input module 11, connect with the voice input module 10
Block 12, the mix module 13 being connect with the accompaniment input module 11 and the stereo output module 12 and the audio mixing
The output module 14 that module 13 connects；
The voice input module 10, for obtaining voice signal；
The accompaniment input module 11, the accompaniment signal for obtaining external accompaniment apparatus input；
The stereo output module 12 generates two-channel reverberation human voice signal for using the voice signal；
The mix module 13, for being mixed using the two-channel reverberation human voice signal and the accompaniment signal
Sound processing, generates stereo-mixing signal；
The output module 14, for the stereo-mixing signal to be output to receiving device.
In the utility model embodiment, microphone is provided with voice input module 10, accompaniment input module 11, stereo
Output module 12, mix module 13, output module 14.When user sings, voice input module 10 can obtain the sound of user
Sound signal；Accompaniment input module 11 can be connect with external accompaniment apparatus, receive accompaniment signal；Stereo output module 12 can be with
Two-channel reverberation human voice signal is generated using the voice signal that voice input module 10 exports；Mix module 13 can will accompany defeated
The two-channel reverberation human voice signal of the accompaniment signal and the output of stereo output module 12 that enter the output of module 11 carries out stereo process,
Generate stereo-mixing signal；Output module 14 can be connect with receiving device (for example, monitoring headpone, mobile phone, computer), will be mixed
The stereo-mixing signal that sound module 13 exports is output to receiving device, stereo to receiving device output to realize.
The structure chart of voice input module in the utility model embodiment is shown with reference to Fig. 2, wherein voice input module
10 may include：Sound head 101, the pre-amplification circuit 102 being connect with the sound head 101 connect with the pre-amplification circuit 102
The analog to digital conversion circuit 103 connect；
The sound head 101 is used for collected sound signal；
The pre-amplification circuit 102, for being amplified processing to the voice signal；
Analog-digital conversion circuit as described 103, for by the voice signal after enhanced processing, digital letter to be converted to by analog signal
Number.
The structure chart for input module of accompanying in the utility model embodiment is shown with reference to Fig. 3, wherein accompaniment input module
11 may include：Accompaniment input interface 111, with it is described accompany input interface 111 connect accompaniment input circuit 112, with it is described
The D/A converting circuit 113 that input circuit 112 of accompanying connects；
The accompaniment input circuit 112, for receiving external accompaniment apparatus input by the accompaniment input interface 111
Accompaniment signal；
Input interface 111 of accompanying can be 3.5mm audio interface, and external accompaniment apparatus is (for example, mobile phone, desktop computer, flat
Plate computer) accompaniment input interface 111 can be accessed by tone frequency channel wire.The accompaniment signal of external accompaniment apparatus output is defeated by accompanying
Incoming interface 111 is output to accompaniment input circuit 112.
The D/A converting circuit 113, for by the accompaniment signal, analog signal to be converted to by digital signal.
In the utility model embodiment, the stereo output module 12 may include：Governor circuit and digital signal
Handle DSP circuit；
The governor circuit and DSP circuit generate two-channel reverberation human voice signal for using the voice signal；Institute
It is analog signal to state two-channel reverberation human voice signal.
Governor circuit and DSP circuit output be analog signal two-channel reverberation human voice signal and digital-to-analogue conversion electricity
Road 113 output be analog signal accompaniment signal mixed module 13 receive, by mix module by both analog signals into
Row stereo process generates stereo-mixing signal.
Specifically, in the utility model embodiment, the receiving device may include：Monitoring headpone, the audio mixing mould
Block includes the first mixer circuit, and the output module 14 may include the headphone monitor mould being connect with first mixer circuit
Block；
First mixer circuit, for being carried out using the two-channel reverberation human voice signal and the accompaniment signal
Stereo process generates the first stereo-mixing signal；
The headphone monitor module, for the first stereo-mixing signal to be output to monitoring headpone.
In the utility model embodiment, the governor circuit and DSP circuit are additionally operable to, and generate binaural cue message
Number；
First mixer circuit is additionally operable to using the two-channel reverberation human voice signal, the accompaniment signal, Yi Jisuo
It states binaural cue sound signal and carries out stereo process, generate the first stereo-mixing signal.
Specifically, governor circuit and DSP circuit can generate binaural cue sound signal depending on the user's operation.For example,
When user is when microphone presses some button, the button that governor circuit and DSP circuit are pressed according to user generates corresponding double
Sound channel prompts sound signal.So as to inform that user, microphone have enabled the corresponding function of button by stereo.
The schematic diagram of headphone monitor module in the utility model embodiment is shown with reference to Fig. 4.Wherein, headphone monitor module
May include：
The headphone monitor circuit 141 being connect with first mixer circuit, and connect with the headphone monitor circuit 141
Headphone monitor interface 142；
The headphone monitor circuit 141, for being believed first stereo-mixing by the headphone monitor interface 142
Number, it is output to monitoring headpone.
Headphone monitor interface 142 can be 3.5mm audio interface, and monitoring headpone can be connect by headphone monitor interface 142
Enter microphone, the first stereo-mixing signal that the first mixer circuit generates is output to headphone monitor circuit 141；Headphone monitor electricity
First stereo-mixing signal is output to monitoring headpone by road 141 by headphone monitor interface 142.
In the utility model embodiment, the receiving device can also include：Terminal, the mix module can also wrap
The second mixer circuit is included, the output module 14 can also include the terminal communication module being connect with second mixer circuit；
Second mixer circuit, for being carried out using the two-channel reverberation human voice signal and the accompaniment signal
Stereo process generates the second stereo-mixing signal；
The terminal communication module, for the second stereo-mixing signal to be output to terminal.
It is the structure chart of terminal communication module in the utility model embodiment referring to Figure 5, wherein the terminal communication
Module may include：The USB bridge circuits 143 being connect with second mixer circuit, and connect with the USB bridge circuits 143
Data-interface 144；The data-interface 144 is connect by data line with terminal；
Second stereo-mixing signal of the second mixer circuit output, is reached described by the USB bridge circuits 143
Data-interface 144, the data line by accessing the data-interface 144 are output to terminal.
In the utility model embodiment, data-interface 144 may include：Lightning interfaces, Type-C interfaces, USB
Interface.Terminal (such as mobile phone, desktop computer, tablet computer) can be connect by data-interface 144 with microphone, and second is mixed
The signal that the stereo-mixing signal of sound circuit output is converted into transmit by data-interface 144 by USB bridge circuits 143, so
Afterwards terminal is output to by accessing the data line of data-interface 144.
In the utility model embodiment, microphone can also include：
The charging circuit being connect with the governor circuit and DSP circuit, and filled respectively with what the charging circuit was connect
Electrical interface and battery.
When connecting external power supply, external power supply is by charging interface, by control source to charging circuit, by charging circuit
By control source to battery or governor circuit and DSP circuit.
When being not connected to external power supply, battery is by voltage output to charging circuit, by charging circuit by control source to master
Control circuit and DSP circuit.
The utility model embodiment also discloses a kind of microphone, including：Voice input module, accompaniment input module, with
The stereo output module and the accompaniment input module and the stereo output module of the voice input module connection
The mix module of connection, the output module being connect with the mix module；
The voice input module is used for collected sound signal；
The accompaniment input module, the accompaniment signal for obtaining external accompaniment apparatus input；
The stereo output module, for generating sound channel human voice signal, and generation alliteration using the voice signal
Road prompts sound signal；
The mix module, for using the sound channel human voice signal, the accompaniment signal and the binaural cue
Sound signal carries out stereo process, generates stereo-mixing signal；
The output module, for the stereo-mixing signal to be output to receiving device.
Specifically, the sound channel human voice signal that stereo output module generates may include：Two-channel human voice signal or monophone
Road human voice signal.
The utility model embodiment realizes a kind of microphone by binaural cue user.Binaural cue sound signal
It is the prompt tone generated depending on the user's operation, informs that microphone enables the corresponding work(of user's operation to user with stereo
Energy.
In order to make those skilled in the art can better understand that the utility model embodiment, below by an example pair
The utility model embodiment is illustrated：
The structure chart of the utility model embodiment microphone is shown with reference to Fig. 6.Wherein, microphone may include：
Sound head 201, the pre-amplification circuit 202 being connect with the sound head 201 are connect with the pre-amplification circuit 202
Analog to digital conversion circuit 203, accompaniment input interface 204, with it is described accompany input interface 204 connect accompaniment input circuit 205,
The D/A converting circuit 206 being connect with the accompaniment input circuit 205, the master control electricity being connect with analog-digital conversion circuit as described 203
Road and Digital Signal Processing DSP circuit 207 and the D/A converting circuit 206 and the governor circuit and DSP circuit 207
First mixer circuit 208 of connection, the headphone monitor circuit 209 being connect with first mixer circuit 208 are supervised with the earphone
Listen the headphone monitor interface 210 and the D/A converting circuit 206 and the governor circuit and DSP circuit that circuit 209 connects
Second mixer circuit 211 of 207 connections, the USB bridge circuits 212 being connect with second mixer circuit 211 and the USB bridges
The data-interface 213 of the connection of circuit 212, the charging circuit 214 being connect with the governor circuit and DSP circuit 207, and respectively
The charging interface 215 and battery 216 being connect with the charging circuit 214.
The sound head 201 is used for collected sound signal.
The pre-amplification circuit 202, for being amplified processing to voice signal.
Analog-digital conversion circuit as described 203, for by the voice signal after enhanced processing, being converted from analog into digital letter
Number.
Accompaniment input interface 204 can be connect by tone frequency channel wire 301 with external accompaniment apparatus 302.
The accompaniment input circuit 205, for passing through the accompaniment input interface 204, to receive external accompaniment apparatus 302 defeated
The accompaniment signal entered.
The D/A converting circuit 206, for by the accompaniment signal, analog signal to be converted to from digital signal.
The governor circuit and DSP circuit 207, for generating two-channel reverberation human voice signal using the voice signal,
And generate binaural cue sound signal；The two-channel reverberation human voice signal is analog signal.
First mixer circuit 208 is additionally operable to use the two-channel reverberation human voice signal, the accompaniment signal, with
And the binaural cue sound signal carries out stereo process, generates the first stereo-mixing signal.
Headphone monitor interface 210 can be connect with monitoring headpone 303.
The headphone monitor circuit 209, for being believed first stereo-mixing by the headphone monitor interface 210
Number, it is output to monitoring headpone 303.
Second mixer circuit 211, for using the two-channel reverberation human voice signal and the accompaniment signal into
Row stereo process generates the second stereo-mixing signal
The data-interface 213 can be connect by data line 304 with terminal 305.
The second stereo-mixing signal that second mixer circuit 211 exports, is reached by the USB bridge circuits 212
The data-interface 213, the data line 304 by accessing the data-interface 213 are output to terminal 305.
When connecting external power supply, external power supply is by charging interface 215, by control source to charging circuit 214, by filling
Circuit 214 is by control source to battery 216 or governor circuit and DSP circuit 207.
When being not connected to external power supply, battery 216 is by voltage output to charging circuit 214, by charging circuit 214 by voltage
It is input to governor circuit and DSP circuit 207.
The schematic diagram that microphone is connect with terminal in the utility model embodiment is shown with reference to Fig. 7, and microphone 40 can be with
It is connect with mobile phone 44 by the first data number 41 or the second data line 42；Microphone 40 can also pass through third data number 43 and electricity
Brain 45 connects；
Wherein, the first data line 41 includes：First plug 411 and the second plug 412, the first plug 411 can be Type-
C plugs, the second plug 412 can be Type-C plugs.
Second data line 42 includes：Third plug 421 and the 4th plug 422, third plug 421 can be inserted for Type-C
Head, the 4th plug 422 can be Lightning plugs.
Third data line 43 includes：5th plug 431 and the 6th plug 432, the 5th plug 431 can be inserted for Type-C
Head, the 6th plug 432 can be USB-A plugs.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also include other elements that are not explicitly listed, or further include for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device including the element.
Above to a kind of microphone provided by the utility model, it is described in detail, it is used herein specifically a
Example is expounded the principles of the present invention and embodiment, and the explanation of above example is only intended to help to understand this reality
With novel method and its core concept；Meanwhile for those of ordinary skill in the art, according to the thought of the utility model,
There will be changes in the specific implementation manner and application range, in conclusion the content of the present specification should not be construed as to this
The limitation of utility model.
Claims (10)
1. a kind of microphone, which is characterized in that including：
Voice input module, accompaniment input module, the stereo output module being connect with the voice input module and the companion
The mix module for playing input module and the stereo output module connection, the output module being connect with the mix module；
The voice input module, for obtaining voice signal；
The accompaniment input module, the accompaniment signal for obtaining external accompaniment apparatus input；
The stereo output module generates two-channel reverberation human voice signal for using the voice signal；
The mix module, for carrying out stereo process using the two-channel reverberation human voice signal and the accompaniment signal,
Generate stereo-mixing signal；
The output module, for the stereo-mixing signal to be output to receiving device.
2. microphone according to claim 1, which is characterized in that the stereo output module includes：Governor circuit and
Digital Signal Processing DSP circuit；
The governor circuit and DSP circuit generate two-channel reverberation human voice signal for using the voice signal；It is described double
Sound channel reverberation human voice signal is analog signal.
3. microphone according to claim 2, which is characterized in that the receiving device includes monitoring headpone, the audio mixing
Module includes the first mixer circuit, and the output module includes the headphone monitor module being connect with first mixer circuit；
First mixer circuit, for carrying out audio mixing using the two-channel reverberation human voice signal and the accompaniment signal
Processing generates the first stereo-mixing signal；
The headphone monitor module, for the first stereo-mixing signal to be output to monitoring headpone.
4. microphone according to claim 3, which is characterized in that the headphone monitor module includes：It is mixed with described first
The headphone monitor circuit of sound circuit connection, and the headphone monitor interface that is connect with the headphone monitor circuit；
The headphone monitor circuit, for, by the first stereo-mixing signal, being output to by the headphone monitor interface
Monitoring headpone.
5. microphone according to claim 3, which is characterized in that
The governor circuit and DSP circuit are additionally operable to, and generate binaural cue sound signal；
First mixer circuit is additionally operable to using the two-channel reverberation human voice signal, the accompaniment signal and described pair
Sound channel prompts sound signal to carry out stereo process, generates the first stereo-mixing signal.
6. microphone according to claim 2, which is characterized in that the receiving device further includes terminal, the audio mixing mould
Block further includes the second mixer circuit, and the output module further includes the terminal communication module being connect with second mixer circuit；
Second mixer circuit, for carrying out audio mixing using the two-channel reverberation human voice signal and the accompaniment signal
Processing generates the second stereo-mixing signal；
The terminal communication module, for the second stereo-mixing signal to be output to terminal.
7. microphone according to claim 6, which is characterized in that the terminal communication module includes：It is mixed with described second
The general-purpose serial bus USB bridge circuit of sound circuit connection, and the data-interface that is connect with the USB bridge circuits；The data
Interface is connect by data line with terminal；
Second stereo-mixing signal of the second mixer circuit output reaches the data by the USB bridge circuits and connects
Mouthful, the data line by accessing the data-interface is output to terminal.
8. microphone according to claim 1, which is characterized in that the voice input module includes：Sound head and the sound
The pre-amplification circuit of head connection, the analog to digital conversion circuit being connect with the pre-amplification circuit；
The sound head is used for collected sound signal；
The pre-amplification circuit, for being amplified processing to the voice signal；
Analog-digital conversion circuit as described, for by the voice signal after enhanced processing, digital signal to be converted to by analog signal.
9. microphone according to claim 1, which is characterized in that the accompaniment input module includes：Accompaniment input interface,
The accompaniment input circuit being connect with the accompaniment input interface, the D/A converting circuit being connect with the accompaniment input circuit；
The accompaniment input circuit, the accompaniment signal for receiving external accompaniment apparatus input by the accompaniment input interface；
The D/A converting circuit, for by the accompaniment signal, analog signal to be converted to by digital signal.
10. a kind of microphone, which is characterized in that including：
Voice input module, accompaniment input module, the stereo output module being connect with the voice input module and the companion
The mix module for playing input module and the stereo output module connection, the output module being connect with the mix module；
The voice input module is used for collected sound signal；
The accompaniment input module, the accompaniment signal for obtaining external accompaniment apparatus input；
The stereo output module, for being carried using voice signal generation sound channel human voice signal, and generation two-channel
Show sound signal；
The mix module, for using the sound channel human voice signal, the accompaniment signal and the binaural cue message
Number carry out stereo process, generate stereo-mixing signal；
The output module, for the stereo-mixing signal to be output to receiving device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820210814.1U CN207968786U (en) | 2018-02-06 | 2018-02-06 | A kind of microphone |
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| CN201820210814.1U CN207968786U (en) | 2018-02-06 | 2018-02-06 | A kind of microphone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282712A (en) * | 2018-02-06 | 2018-07-13 | 北京唱吧科技股份有限公司 | A kind of microphone |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108282712A (en) * | 2018-02-06 | 2018-07-13 | 北京唱吧科技股份有限公司 | A kind of microphone |
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