CN207117871U - A kind of microphone - Google Patents

A kind of microphone Download PDF

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Publication number
CN207117871U
CN207117871U CN201720571528.3U CN201720571528U CN207117871U CN 207117871 U CN207117871 U CN 207117871U CN 201720571528 U CN201720571528 U CN 201720571528U CN 207117871 U CN207117871 U CN 207117871U
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circuit
audio signal
microphone
audio
sound effect
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CN201720571528.3U
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李双宏
黄祯福
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Jiangxi Creation Microelectronics Co Ltd
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Jiangxi Creation Microelectronics Co Ltd
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Abstract

A kind of microphone, it includes:Audio signal sample unit, it is used for the audio signal according to corresponding to the voice signal generation received, obtains the first simulated audio signal;Audio frequency processing circuit, it is connected with audio signal sample unit, for handling the first simulated audio signal, generates the second simulated audio signal;Telecommunication circuit, it is connected with audio frequency processing circuit, for realizing that audio frequency processing circuit communicates with the data of external devices;Operation interface call instruction generative circuit, it is connected with telecommunication circuit, for generating operation interface call instruction and sending operation interface call instruction to telecommunication circuit.The microphone can be realized on PC to the quick calling of operation interface, so user also avoids the need for carrying out cumbersome operation on computers to realize transferring for the operation interface corresponding to microphone, so as to simplify PC end operation interface transfer step and improve operation interface transfers speed.

Description

A kind of microphone
Technical field
Microphone techniques field is the utility model is related to, specifically, is related to a kind of microphone.
Background technology
Microphone is the energy conversion device for voice signal to be converted to electric signal, and it has largely in various occasions Using.For traditional application scenario, microphone only needs voice signal being converted to electric signal, and it is used only for reality Now to the sound-electric conversion of voice signal.However, for the various new application occasions derived at this stage, it is existing Microphone it is this be merely able to carry out the voice signal that receives sound-electric conversion function it is excessively single, user can not be met Many-sided demand.
Utility model content
To solve the above problems, the utility model provides a kind of microphone, the microphone includes:
Audio signal sample unit, it is used for the audio signal according to corresponding to the voice signal generation received, obtains the One simulated audio signal;
Audio frequency processing circuit, it is connected with the audio signal sample unit, for first simulated audio signal Handled, generate the second simulated audio signal;
Telecommunication circuit, it is connected with the audio frequency processing circuit, for realizing the audio frequency processing circuit and external devices Data communication;
Operation interface call instruction generative circuit, it is connected with the telecommunication circuit, refers to for generating operation interface and calling Make and send the operation interface call instruction to the telecommunication circuit.
According to one embodiment of the present utility model, the operation interface call instruction generative circuit includes:
Call demand trigger in interface;
Command extracting circuit, it calls demand trigger to be connected with the interface, for calling demand according to the interface The operation interface call instruction is extracted in the instruction set that the state of trigger stores from itself.
According to one embodiment of the present utility model, the audio signal sample unit includes miaow head.
According to one embodiment of the present utility model, the audio frequency processing circuit includes sound effect processing circuit, the audio Process circuit includes:
First amplifier, it is connected with the audio signal sample unit, for entering to first simulated audio signal Row amplification;
First analog to digital conversion circuit, it is connected with first amplifier, for what is come to first amplifier transfer Audio signal carries out analog-to-digital conversion;
Sound effect processor, its first input end are connected with first analog to digital conversion circuit;
First D/A converting circuit, it is connected with the sound effect processor, for transmitting what is come to the sound effect processor Digital audio and video signals carry out digital-to-analogue conversion.
According to one embodiment of the present utility model, the microphone also includes:
Controller, it is connected with the sound effect processor and telecommunication circuit.
According to one embodiment of the present utility model, the microphone also includes:
First audio input interface, it is connected with the sound effect processing circuit, for the analogue audio frequency that will be got Signal is transmitted to the sound effect processing circuit.
According to one embodiment of the present utility model, the sound effect processing circuit also includes:
Second analog to digital conversion circuit, it is connected to first audio input interface and the second of sound effect processor defeated Between entering end, analog-to-digital conversion is carried out for transmitting the simulated audio signal come to first audio input interface, and will The digital audio and video signals being converted to are transmitted to the sound effect processor.
According to one embodiment of the present utility model, the telecommunication circuit includes usb circuit.
Microphone provided by the utility model can utilize itself configuration operation interface call instruction generative circuit with And telecommunication circuit is also avoided the need on its computer to realize on PC to the quick calling of operation interface, such user Cumbersome operation is carried out to realize transferring for pair operation interface corresponding with the microphone, so as to simplify PC end behaviour Make interface transfer step and improve operation interface transfer speed.Meanwhile user can also be by being adjusted on its computer The operation interface of taking-up come by the telecommunication circuit of the microphone realize to the associative operation of microphone (such as volume control and/ Or sound effect control etc.).
Meanwhile existing microphone is merely able to carry out sound-electric conversion to the voice signal received to obtain corresponding sound Frequency signal, its function is excessively single, can not meet that user facilitate demand more.And the wheat that the utility model utility model is provided Gram wind is on the basis of function possessed by existing microphone, additionally it is possible to audio effect processing is carried out to audio signal, so that wheat The audio signal that gram wind is exported carries specific audio, so as to meet the application demand of user.
Other features and advantages of the utility model will illustrate in the following description, also, partly from specification In become apparent, or understood by implementing the utility model.The purpose of this utility model and other advantages can pass through Specifically noted structure is realized and obtained in specification, claims and accompanying drawing.
Brief description of the drawings
, below will be to embodiment in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art Or the accompanying drawing required in description of the prior art does simple introduction:
Fig. 1 is the structural representation according to the microphone of the utility model one embodiment;
Fig. 2 is the part-structure schematic diagram according to the microphone of the utility model one embodiment;
Fig. 3 is the partial circuit schematic diagram according to the microphone of the utility model one embodiment.
Embodiment
Embodiment of the present utility model is described in detail below with reference to drawings and Examples, whereby to the utility model How application technology means solve technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this. If it should be noted that do not form conflict, each feature in each embodiment and each embodiment in the utility model It can be combined with each other, the technical scheme formed is within the scope of protection of the utility model.
Meanwhile in the following description, many details are elaborated for illustrative purposes, it is new to this practicality to provide The thorough understanding of type embodiment.It will be apparent, however, to one skilled in the art, that the utility model can not have to Here detail or described ad hoc fashion is implemented.
The defects of for present in existing microphone, the utility model provide a kind of new microphone, and the microphone is matched somebody with somebody Operation interface call instruction generative circuit is put, user can easily be existed by the operation interface call instruction generative circuit PC up-regulation extract operation interface, so as to facilitate user using operation interface to carry out associative operation to microphone.
Fig. 1 shows the structural representation for the microphone that the present embodiment is provided.
As shown in figure 1, the microphone 100 that the present embodiment is provided preferably includes:Audio signal sample unit 101, sound Frequency process circuit 102, telecommunication circuit 103 and operation interface call instruction generative circuit 104.Wherein, audio signal sample list Member 101 can generate corresponding audio signal according to the acoustic signals that itself is received, that is, obtain the first simulated audio signal. Specifically, in the present embodiment, audio signal sample unit 101 is realized preferably by miaow head.
Audio frequency processing circuit 102 is connected with audio signal sample unit 101, and it can be to audio signal sample unit 101 Transmit the first simulated audio signal come to be handled, so as to generate the second simulated audio signal.Telecommunication circuit 103 and audio Process circuit 102 connects, and telecommunication circuit 103 is then used to be connected with the PC 105 of outside, and it can realize audio frequency process electricity Data between road 102 and PC 105 communicate.
In the present embodiment, operation interface call instruction generative circuit 104 is connected with telecommunication circuit 103, and telecommunication circuit 103 is same Sample can realize that operation interface call instruction generative circuit 104 communicates with the data between PC 105.Operation interface is called Command generating circuit 104 can generate operation interface call instruction and by the operation interface call instruction according to the operation of user Send to telecommunication circuit 103, to be forwarded to PC 105 by telecommunication circuit 103.
PC 105 can be transferred after receiving telecommunication circuit 103 and transmitting the aforesaid operations interface call instruction come The corresponding panel software corresponding to microphone 100 that therein is installed.Include on panel software such as audio regulation and/ Or the operation interface such as volume adjusting, user generate corresponding microphone regulating command (example by aforesaid operations interface also can As audio regulating command and/or volume adjusting instruct).PC 105 can be by the communication module of itself by above-mentioned Mike Wind regulating command is transmitted to the telecommunication circuit 103 of microphone 100, to be transmitted by telecommunication circuit 103 to audio frequency processing circuit 102, So as to realize the regulation to audio frequency processing circuit 102.
Fig. 2 shows the partial circuit schematic diagram for the microphone that the present embodiment is provided.
As shown in Fig. 2 the audio frequency processing circuit for the microphone that the present embodiment is provided preferably includes:Sound effect processing circuit 201st, the first audio input interface 202, the second audio input interface 203, the first audio signal output interface 204, First mixer circuit 205 and the second audio signal output interface 206.
Wherein, audio signal sample unit 101 can generate corresponding audio according to the acoustic signals that itself is received Signal, that is, obtain the first simulated audio signal.The audio input interface 202 of audio signal sample unit 101 and first is divided Input connections not different from sound effect processing circuit 201, sound effect processing circuit 201 can be to audio signal sample unit 101 And the audio signal that the 202 respective transmission of the first audio input interface comes is handled, and the second obtained mould will be handled Intend audio signal to transmit to the first audio signal output interface 204 being attached thereto, with by the first audio by its output port Signal output interface 204 is transmitted to corresponding external devices.It is pointed out that the audio signal mentioned by the utility model is Refer to the electric signal corresponding with audio (such as sound wave).
As shown in Fig. 2 in the present embodiment, sound effect processing circuit 201 also inputs with a signal of the first mixer circuit 205 End connection, and another signal input part of the first mixer circuit 205 is then connected with the second audio input interface 203.Its In, the first mixer circuit 205 can transmit the audio of coming to the audio input interface 203 of sound effect processing circuit 201 and second Signal carries out stereo process (such as being overlapped processing), and by the audio signal that stereo process obtains by be attached thereto the Two audio signal output interfaces 206 are transferred to corresponding external devices.
As shown in figure 3, in the present embodiment, sound effect processing circuit 201 is preferably composed with:First amplifier 301, the first mould Number change-over circuit 302, sound effect processor 303, the second analog to digital conversion circuit 304 and the first D/A converting circuit 305.Wherein, First amplifier 301 is connected with audio signal sample unit 101, and audio signal sample unit 101 can be according to the sound received Audio signal (i.e. the first simulated audio signal) corresponding to sound signal generation, and the first amplifier 301 then can be to audio signal Collecting unit 101 transmit come the first simulated audio signal be amplified, and by the simulated audio signal after amplification transmit to The first analog to digital conversion circuit 302 being attached thereto.
First analog to digital conversion circuit 302, can be to this after the simulated audio signal that the transmission of the first amplifier 301 comes is received Simulated audio signal carries out analog-to-digital conversion, and the corresponding digital audio and video signals being converted to are transmitted to sound effect processor 303 Corresponding ports (such as first input end D1 of sound effect processor 303).
And the first audio input interface 202 is then connected with the second analog to digital conversion circuit 304, it can receive itself To simulated audio signal transmit to the second analog to digital conversion circuit 304, to be converted to accordingly by the second analog to digital conversion circuit 304 Transmitted after digital audio and video signals to the corresponding ports of sound effect processor 303 (such as the second input of sound effect processor 303 D2)。
Sound effect processor 303 then can transmit what is come to the first analog to digital conversion circuit 302 and the second analog to digital conversion circuit 304 Digital audio and video signals are handled accordingly so that and the digital audio and video signals after processing carry specific audio, and by after processing Digital audio and video signals are transmitted to the first D/A converting circuit 305 being attached thereto.
It is pointed out that in other embodiment of the present utility model, according to being actually needed, sound effect processor 303 is also The digital audio and video signals come can be transmitted to the first analog to digital conversion circuit 302 and the second analog to digital conversion circuit 304 and carry out its elsewhere Manage (such as denoising etc.), the utility model not limited to this.For example, in one embodiment of the present utility model, at audio Manage device 303 and can utilize chauvent's criterion algorithm come the first analog to digital conversion circuit 302 and the second analog to digital conversion circuit 304 are transmitted come Digital audio and video signals handled, so as to suppress uttering long and high-pitched sounds in the presence of circuit during use.
As shown in figure 3, in the present embodiment, sound effect processing circuit 201 also includes controller 306, controller 306 with audio Reason device 303 connects, and is controlled for the running status (such as audio effect processing process for needing to carry out etc.) to sound effect processor.
In the present embodiment, operation interface call instruction generative circuit 104 preferably includes:Call demand trigger in interface 307 and command extracting circuit.Wherein, command extracting circuit is multiplexed preferably by controller 306 and realized, it calls with interface and used Demand trigger 307 connects.When user needs to call operation interface from PC, user can be called by interface and be needed Trigger 307 is sought to generate corresponding configured information and send the configured information to the controller 306 being attached thereto.Controller 306 after above-mentioned configured information is received, and can be referred to according to above-mentioned configured information to extract this in the instruction set that is stored from itself Make the instruction (i.e. operation interface call instruction) corresponding to information.In the present embodiment, demand trigger 307 is called preferably in interface Realized using Independent keys, certainly, in other embodiment of the present utility model, interface calls demand trigger 307 may be used also To be realized using other rational devices or circuit, the utility model not limited to this.
In the present embodiment, controller 306 is connected with telecommunication circuit 103, telecommunication circuit 103 can realize controller 306 with Data communication between PC 105.It is pointed out that in different embodiments of the present utility model, telecommunication circuit 103 Data communication mode between PC 105 can realize that the utility model is not limited to using different rational methods This.For example, in one embodiment of the present utility model, data communication mode between telecommunication circuit and PC both can be with It is the radio communications such as Wi-Fi, bluetooth or such as wire communication based on usb circuit.
Specifically, controller 306 can pass the operation interface call instruction after the call instruction of generation aforesaid operations interface Telecommunication circuit 103 is transported to, to be transmitted by telecommunication circuit 103 to PC 105.PC 105 is receiving microphone After telecommunication circuit 103 transmits the operation interface call instruction come, can transfer that therein installed corresponds to microphone 100 The corresponding panel software, the quick calling of operation interface, such user are also avoided the need on PC so as to realize Cumbersome operation is carried out on its computer to realize transferring for the operation interface corresponding with the microphone, so as to simplify personal electricity Brain end operation interface transfer step and improve operation interface transfer speed.Meanwhile in the present embodiment, user can be with Realized by the operation interface transferred on its computer by the telecommunication circuit of above-mentioned microphone and the correlation of microphone is grasped Make (such as volume control and/or sound effect control etc.).
Certainly, in other embodiment of the present utility model, operation interface call instruction generative circuit 104 can also use Other rational circuit forms or device realize, the utility model not limited to this.For example, in one of the present utility model implementation In example, the command extracting circuit that operation interface call instruction generative circuit is included can not also be included with audio frequency processing circuit Controller multiplexing, but realized using independent programming device, the programming device can be connected with telecommunication circuit, with The operation interface call instruction that directly itself is generated is transmitted to telecommunication circuit.
In the present embodiment, controller 306 is preferably by the SPI interface for transmission of control signals and for transmitting data The I of signal2S interfaces are connected with sound effect processor 303, certainly, in other embodiment of the present utility model, sound effect processor Other rational connected modes, the utility model not limited to this can also be used between 303 and controller 306.
Meanwhile in the present embodiment, controller 306 is preferably by micro-control unit (MicrocontrollerUnit, letter Claim MCU) realize, and sound effect processor 303 preferably by digital signal processor (DigitalSignal Processor, Abbreviation DSP) realize.It is pointed out that in other embodiment of the present utility model, sound effect processor 303 and control Device 306 can also realize that the utility model is similarly not so limited to using other rational circuits or device.
What sound effect processor 303 was generated and exported be with specific audio ground digital audio and video signals, and for convenience its He uses external devices, as shown in figure 3, in the present embodiment, the output port of sound effect processor 303 and the first D/A converting circuit 308 connections, also can transmits sound effect processor 303 digital audio and video signals come to such first D/A converting circuit 308 Be converted to corresponding simulated audio signal.
In the present embodiment, the first audio signal output interface 204 is integrated in same with the second audio input interface 203 In device (such as connector 309).Wherein, the first audio signal output interface 204 can be by the institute of the first D/A converting circuit 308 The simulated audio signal of generation is transmitted to corresponding external devices, and the second audio input interface 203 then receives outside device The simulated audio signal that part is inputted.
Specifically, for example, handset port can form connector 309, wherein, the first audio signal output interface 204 is used In sending audio signal to external connection mobile phone, and the second audio input interface 203 can then receive outside mobile phone and be sent out The audio signal sent.So, user can carry out audio broadcasting simultaneously by mobile phone and audio is enrolled, and the audio played In can also have the audio signal such as accompaniment tone that the first audio input interface 202 transmit.
In the present embodiment, the first mixer circuit 205 includes mixer 205a and the second amplifier 205b.Wherein, mixer 205a two input ports connect with the first D/A converting circuit 308 and above-mentioned second audio input interface 203 respectively Connect, it can transmit the analogue audio frequency letter come to the first D/A converting circuit 308 and the second audio input interface 203 Number audio mixing is carried out, and the simulated audio signal that audio mixing is obtained is transmitted to the second amplifier 205b being attached thereto.And second puts Big device 205b can be transmitted after the simulated audio signal come is amplified to mixer 205a and transmitted to the second audio being attached thereto Signal output interface 206, to be transmitted by the second audio signal output interface 206 to corresponding external devices (such as earphone etc.).
It is pointed out that in other embodiment of the present utility model, according to being actually needed, the microphone can not also The first mixer circuit 205 and its interlock circuit are configured, meanwhile, audio frequency processing circuit 102 can also use other rational circuits Form realizes, the utility model not limited to this.Meanwhile according to being actually needed, sound effect processing circuit 201 can also configure other Signal input port and/or signal output port come and corresponding audio signal input circuit and/or audio signal output circuit Connection, the utility model are similarly not so limited to.
As can be seen that microphone provided by the utility model can utilize operation circle of itself configuration from foregoing description Face call instruction generative circuit and telecommunication circuit are realized on PC to the quick calling of operation interface, such user Also avoid the need for carrying out cumbersome operation on its computer to realize transferring for pair operation interface corresponding with the microphone, from And simplify PC end operation interface transfer step and improve operation interface transfer speed.Meanwhile user is also The correlation to microphone can be realized by the telecommunication circuit of the microphone by the operation interface transferred on its computer Operation (such as volume control and/or sound effect control etc.).
Meanwhile existing microphone is merely able to carry out sound-electric conversion to the voice signal received to obtain corresponding sound Frequency signal, its function is excessively single, can not meet that user facilitate demand more.And the wheat that the utility model utility model is provided Gram wind is on the basis of function possessed by existing microphone, additionally it is possible to audio effect processing is carried out to audio signal, so that wheat The audio signal that gram wind is exported carries specific audio, so as to meet the application demand of user.
It should be understood that embodiment disclosed in the utility model is not limited to specific structure disclosed herein or processing Step, and the equivalent substitute for these features that those of ordinary skill in the related art are understood should be extended to.It should also be understood that , term as used herein is only used for describing the purpose of specific embodiment, and is not intended to limit.
" one embodiment " or " embodiment " mentioned in specification means special characteristic, the structure described in conjunction with the embodiments Or characteristic is included at least one embodiment of the present utility model.Therefore, the phrase " one that specification various places throughout occurs Individual embodiment " or " embodiment " might not refer both to same embodiment.
Although above-mentioned example is used to illustrate principle of the utility model in one or more apply, for this area For technical staff, in the case of without departing substantially from principle of the present utility model and thought, hence it is evident that can in form, usage and reality Various modifications may be made in the details applied and does not have to pay creative work.Therefore, the utility model by appended claims Lai Limit.

Claims (7)

1. a kind of microphone, it is characterised in that the microphone includes:
Audio signal sample unit, it is used for the audio signal according to corresponding to the voice signal generation received, obtains the first mould Intend audio signal;
Audio frequency processing circuit, it is connected with the audio signal sample unit, for being carried out to first simulated audio signal Processing, generate the second simulated audio signal;
Telecommunication circuit, it is connected with the audio frequency processing circuit, for realizing the number of the audio frequency processing circuit and external devices According to communication;
Operation interface call instruction generative circuit, it is connected with the telecommunication circuit, for generating operation interface call instruction simultaneously The operation interface call instruction is sent to the telecommunication circuit;
The operation interface call instruction generative circuit includes:
Call demand trigger in interface;
Command extracting circuit, it calls demand trigger to be connected with the interface, for calling demand triggering according to the interface The operation interface call instruction is extracted in the instruction set that the state of device stores from itself.
2. microphone as claimed in claim 1, it is characterised in that the audio signal sample unit includes miaow head.
3. microphone as claimed in claim 1, it is characterised in that the audio frequency processing circuit includes sound effect processing circuit, institute Stating sound effect processing circuit includes:
First amplifier, it is connected with the audio signal sample unit, for being put to first simulated audio signal Greatly;
First analog to digital conversion circuit, it is connected with first amplifier, for the audio come to first amplifier transfer Signal carries out analog-to-digital conversion;
Sound effect processor, its first input end are connected with first analog to digital conversion circuit;
First D/A converting circuit, it is connected with the sound effect processor, for transmitting the numeral of coming to the sound effect processor Audio signal carries out digital-to-analogue conversion.
4. microphone as claimed in claim 3, it is characterised in that the microphone also includes:
Controller, it is connected with the sound effect processor and telecommunication circuit.
5. microphone as claimed in claim 3, it is characterised in that the microphone also includes:
First audio input interface, it is connected with the sound effect processing circuit, for the simulated audio signal that will be got Transmit to the sound effect processing circuit.
6. microphone as claimed in claim 5, it is characterised in that the sound effect processing circuit also includes:
Second analog to digital conversion circuit, it is connected to the second input of first audio input interface and sound effect processor Between, analog-to-digital conversion is carried out for transmitting the simulated audio signal come to first audio input interface, and will conversion Obtained digital audio and video signals are transmitted to the sound effect processor.
7. such as microphone according to any one of claims 1 to 6, it is characterised in that the telecommunication circuit includes USB interface electricity Road.
CN201720571528.3U 2017-05-22 2017-05-22 A kind of microphone Active CN207117871U (en)

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Application Number Priority Date Filing Date Title
CN201720571528.3U CN207117871U (en) 2017-05-22 2017-05-22 A kind of microphone

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Application Number Priority Date Filing Date Title
CN201720571528.3U CN207117871U (en) 2017-05-22 2017-05-22 A kind of microphone

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Publication Number Publication Date
CN207117871U true CN207117871U (en) 2018-03-16

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Application Number Title Priority Date Filing Date
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113573186A (en) * 2021-07-15 2021-10-29 康佳集团股份有限公司 Wireless microphone and wireless sound transmission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113573186A (en) * 2021-07-15 2021-10-29 康佳集团股份有限公司 Wireless microphone and wireless sound transmission system
CN113573186B (en) * 2021-07-15 2023-12-05 康佳集团股份有限公司 Wireless microphone and wireless sound transmission system

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