CN206629226U - A kind of microphone - Google Patents
A kind of microphone Download PDFInfo
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- CN206629226U CN206629226U CN201720314655.5U CN201720314655U CN206629226U CN 206629226 U CN206629226 U CN 206629226U CN 201720314655 U CN201720314655 U CN 201720314655U CN 206629226 U CN206629226 U CN 206629226U
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- microphone
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Abstract
A kind of microphone, it includes：First audio signal acquiring unit, it is used for the audio signal according to corresponding to the voice signal generation received, obtains the first simulated audio signal；Sound effect processing circuit, it is connected with the first audio signal acquiring unit, for carrying out audio effect processing to the first simulated audio signal, generates the second simulated audio signal；First audio signal output interface, it is connected with sound effect processing circuit, for the second simulated audio signal to be transmitted to corresponding external devices.The microphone that the utility model utility model is provided is on the basis of function possessed by existing microphone, audio effect processing can also be carried out to audio signal, so that the audio signal that microphone is exported carries specific audio, so as to meet the application demand of user.
Description
Technical field
Audio signal processing technique 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：
First audio signal acquiring unit, it is used for the audio signal according to corresponding to the voice signal generation received, obtained
To the first simulated audio signal；
Sound effect processing circuit, it is connected with the first audio signal acquiring unit, for first analogue audio frequency
Signal carries out audio effect processing, generates the second simulated audio signal；
First audio signal output interface, it is connected with the sound effect processing circuit, for by second analogue audio frequency
Signal is transmitted to corresponding external devices.
According to one embodiment of the present utility model, the first audio signal acquiring unit includes miaow head.
According to one embodiment of the present utility model, the sound effect processing circuit includes：
First amplifier, it is connected with the first audio signal acquiring unit, for believing first analogue audio frequency
Number it is amplified；
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 between the sound effect processor and the first audio signal output interface, is used
Digital-to-analogue conversion, and the second analogue audio frequency that will be converted to are carried out in transmitting next digital audio and video signals to the sound effect processor
Signal is transmitted to the first audio signal output interface.
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 sound effect processing circuit also includes：
Audio frame；
Controller, it is connected with the audio frame and sound effect processor.
According to one embodiment of the present utility model, the sound effect processing circuit also includes：
Functional unit, it is connected with the controller.
According to one embodiment of the present utility model, the microphone also includes：
Second audio input interface；
First mixer circuit, two input respectively with the sound effect processing circuit and the second audio input interface
Connection, audio mixing is carried out for transmitting the audio signal come to the sound effect processing circuit and the second audio input interface；
Second audio signal output interface, it is connected with first mixer circuit.
According to one embodiment of the present utility model, first mixer circuit includes：
Mixer, two input are connected with the sound effect processing circuit and the second audio input interface respectively；
Second amplifier, it is connected between the mixer and the second audio signal output interface.
According to one embodiment of the present utility model, the first audio signal output interface and the second audio signal input
Interface integration is in same device.
Existing microphone is merely able to carry out sound-electric conversion to the voice signal received to obtain corresponding audio letter
Number, its function is excessively single, can not meet that user facilitate demand more.And the microphone that the utility model utility model is provided
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 microphone
The audio signal exported carries specific audio, so as to meet the application demand of user.
Meanwhile microphone provided by the utility model is by setting corresponding functional unit and controller come to audio
Processor is controlled, and also can controls sound effect processor to produce different audios to such user by key-press module, together
When, the control switched to volume and audio can also be realized by functional unit, needed so as to meet a variety of applications of user
Ask.
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 electrical block diagram according to the microphone of the utility model one embodiment；
Fig. 3 is the button schematic diagram according to the functional unit 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.
In order to clearly illustrate the structure of microphone provided by the utility model and advantage, below in conjunction with Fig. 1
The microphone is illustrated with Fig. 2.Wherein, Fig. 1 shows the structural representation for the microphone that the present embodiment is provided, figure
2 show the electrical block diagram for the microphone that the present embodiment is provided.
As shown in figure 1, the microphone that the present embodiment is provided preferably includes：First audio signal acquiring unit 101, sound
It is defeated to imitate process circuit 102, the first audio input interface 103, the second audio input interface 104, the first audio signal
Outgoing interface 105, the first mixer circuit 106 and the second audio signal output interface 107.
Wherein, corresponding to the first audio signal acquiring unit 101 can generate according to the acoustic signals that itself is received
Audio signal, that is, obtain the first simulated audio signal.First audio signal acquiring unit 101 and the input of the first audio signal connect
The inputs connections different from sound effect processing circuit 102 respectively of mouth 103, sound effect processing circuit 102 can be to the first audio signal
The audio signal that each transmission comes of audio input interface 103 of acquiring unit 101 and first is handled, and will be handled
To the second simulated audio signal transmitted by its output port to the first audio signal output interface 105 being attached thereto, with
Transmitted by the first audio signal output interface 105 to corresponding external devices.It is pointed out that mentioned by the utility model
Audio signal refers to the electric signal corresponding with audio (such as sound wave).
As shown in figure 1, in the present embodiment, sound effect processing circuit 102 also inputs with a signal of the first mixer circuit 106
End connection, and another signal input part of the first mixer circuit 106 is then connected with the second audio signal input end mouth 104.Its
In, the first mixer circuit 106 can transmit the audio of coming to the audio input interface 104 of sound effect processing circuit 102 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 107 are transferred to corresponding external devices.
As shown in Fig. 2 in the present embodiment, sound effect processing circuit 103 is preferably composed with：First amplifier 201, the first mould
Number change-over circuit 202, sound effect processor 203, the second analog to digital conversion circuit 204 and the first D/A converting circuit 208.Wherein,
First amplifier 201 is connected with the first audio signal acquiring unit 101, and the first audio signal acquiring unit 101 can be according to connecing
Audio signal (i.e. the first simulated audio signal) corresponding to the voice signal generation received, and the first amplifier 201 then can be right
First audio signal acquiring unit 101 is transmitted the first simulated audio signal come and is amplified, and by the analog audio after amplification
Frequency signal is transmitted to the first analog to digital conversion circuit 202 being attached thereto.
In the present embodiment, the first audio signal acquiring unit 101 preferably includes miaow head.Certainly, of the present utility model
In other embodiment, the first audio signal acquiring unit 101 can also be realized using other rational circuits or device, this reality
With new not limited to this.
First analog to digital conversion circuit 202, can be to this after the simulated audio signal that the transmission of the first amplifier 201 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 203
Corresponding ports (such as first input end D1 of sound effect processor 203).
And the first audio input interface 103 is then connected with the second analog to digital conversion circuit 204, it can receive itself
To simulated audio signal transmit to the second analog to digital conversion circuit 204, to be converted to accordingly by the second analog to digital conversion circuit 204
Transmitted after digital audio and video signals to the corresponding ports of sound effect processor 203 (such as the second input of sound effect processor 203
D2)。
Sound effect processor 203 then can transmit what is come to the first analog to digital conversion circuit 202 and the second analog to digital conversion circuit 204
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 208 being attached thereto.
It is pointed out that in other embodiment of the present utility model, according to being actually needed, sound effect processor 203 is also
The digital audio and video signals come can be transmitted to the first analog to digital conversion circuit 202 and the second analog to digital conversion circuit 204 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 203 and can utilize chauvent's criterion algorithm come the first analog to digital conversion circuit 202 and the second analog to digital conversion circuit 204 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 Fig. 2 in the present embodiment, sound effect processing circuit 102 also includes：Controller 205, audio frame 206 and
Functional unit 207.Wherein, controller 205 is connected with audio frame 206 and functional unit 207 respectively, and it can be according to audio set
Signal that frame 206 and functional unit 207 are transmitted controls the running status of sound effect processor 203, and then to sound effect processor
203 digital audio and video signals exported are adjusted (such as regulation audio form and/or volume etc.).
Functional unit 207 includes multiple buttons corresponding to difference in functionality, and Fig. 3 shows functional unit in the present embodiment
The schematic diagram of 207 buttons included.Wherein, after user presses corresponding button, controller 205 will be according to the above-mentioned of user
Action produces corresponding control instruction, and the control instruction is transmitted to the sound effect processor 203 being attached thereto, to control audio
Processor 203 is responded.
Specifically, in the present embodiment, user can control sound effect processor 203 to generate accordingly by clicking on corresponding button
Audio.For example, the audio button that controller 205 is clicked on according to user, can control sound effect processor 203 to generate such as gift
Song, applause, hole is bent, slap in the face, rattle away, disdaining, machine gun, small roars with laughter and the special efficacy sound such as roar with laughter greatly.
Similarly, in the present embodiment, user can also control sound effect processor 203 to simulate by clicking on corresponding button
Corresponding built-in audio.For example, the scene button that controller 205 is clicked on according to user, can control sound effect processor 203 real
The now function such as primary sound, specialty, prevalence, the change of voice and company wheat.
It is pointed out that in the present embodiment, according to being actually needed, can be adopted between functional unit 207 and controller 205
Signal interaction, the utility model not limited to this are carried out with different connected modes.For example, in one embodiment of the present utility model
In, the connected mode between functional unit 207 and controller 205 can both use the wired connection mode based on cable, also may be used
To use the unlimited connected mode based on WiFi, 433M, bluetooth or infrared communication.
In the present embodiment, controller 205 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 203, and audio frame 206 is preferably connected by USB interface with controller 205.
Certainly, in other embodiment of the present utility model, between sound effect processor 203, controller 205 and audio frame 206 also
Other rational connected modes, the utility model not limited to this can be used.
Meanwhile in the present embodiment, controller 205 is preferably by micro-control unit (Microcontroller Unit, letter
Claim MCU) realize, and sound effect processor 203 is preferably by digital signal processor (Digital Signal
Processor, abbreviation DSP) realize.It is pointed out that in other embodiment of the present utility model, sound effect processor
203 and controller 205 can also realize that the utility model is similarly not so limited to using other rational circuits or device.
What sound effect processor 203 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 Fig. 2 in the present embodiment, the output port of sound effect processor 203 and the first D/A converting circuit
208 connections, also can transmits sound effect processor 203 digital audio and video signals come to such first D/A converting circuit 208
Be converted to corresponding simulated audio signal.
In the present embodiment, the first audio signal output interface 105 is integrated in same with the second audio input interface 104
In device (such as connector 209).Wherein, the first audio signal output interface 105 can be by the institute of the first D/A converting circuit 208
The simulated audio signal of generation is transmitted to corresponding external devices, and the second audio input interface 104 then receives outside device
The simulated audio signal that part is inputted.
Specifically, for example, handset port can form connector 209, wherein, the first audio signal output interface 105 is used
In sending audio signal to external connection mobile phone, and the second audio input interface 104 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 103 transmit.
In the present embodiment, the first mixer circuit 106 includes mixer 106a and the second amplifier 106b.Wherein, mixer
106a two input ports connect with the first D/A converting circuit 208 and above-mentioned second audio input interface 104 respectively
Connect, it can transmit the analogue audio frequency letter come to the first D/A converting circuit 208 and the second audio input interface 104
Number audio mixing is carried out, and the simulated audio signal that audio mixing is obtained is transmitted to the second amplifier 106b being attached thereto.And second puts
Big device 106b can be transmitted after the simulated audio signal come is amplified to mixer 106a and transmitted to the second audio being attached thereto
Signal output interface 107, to be transmitted by the second audio signal output interface 107 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
Configure the first mixer circuit 106 and its interlock circuit, meanwhile, in sound effect processing circuit 102 can not also Configuration Control Unit 205,
Audio frame 206 and/or functional unit 207, the utility model not limited to this.Meanwhile according to being actually needed, sound effect processing circuit
102 can also configure other signal input ports and/or signal output port come with corresponding audio signal input circuit and/or
Audio signal output circuit is connected, and the utility model is similarly not so limited to.
As can be seen that existing microphone is merely able to carry out sound-electric turn to the voice signal received from foregoing description
Bring to obtain corresponding audio signal, its function is excessively single, can not meet that user facilitate demand more.And the utility model is real
With new provided microphone on the basis of function possessed by existing microphone, additionally it is possible to carry out audio to audio signal
Processing, so that the audio signal that microphone is exported carries specific audio, so as to meet the application demand of user.
Meanwhile microphone provided by the utility model is by setting corresponding functional unit and controller come to audio
Processor is controlled, and also can controls sound effect processor to produce different audios to such user by key-press module, together
When, the control switched to volume and audio can also be realized by functional unit, needed so as to meet a variety of applications of user
Ask.
It should be understood that embodiment disclosed in the utility model is not limited to specific structure disclosed herein, and answer
When the equivalent substitute for extending to these features that those of ordinary skill in the related art are understood.It is to be further understood that herein
The term used 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 (10)
1. a kind of microphone, it is characterised in that the microphone includes：
First audio signal acquiring unit, it is used for the audio signal according to corresponding to the voice signal generation received, obtains the
One simulated audio signal；
Sound effect processing circuit, it is connected with the first audio signal acquiring unit, for first simulated audio signal
Audio effect processing is carried out, generates the second simulated audio signal；
First audio signal output interface, it is connected with the sound effect processing circuit, for by second simulated audio signal
Transmit to corresponding external devices.
2. microphone as claimed in claim 1, it is characterised in that the first audio signal acquiring unit includes miaow head.
3. microphone as claimed in claim 1 or 2, it is characterised in that the sound effect processing circuit includes：
First amplifier, it is connected with the first audio signal acquiring unit, for entering to first simulated audio signal
Row amplification；
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 between the sound effect processor and the first audio signal output interface, for pair
The digital audio and video signals that the sound effect processor transmission comes carry out digital-to-analogue conversion, and the second simulated audio signal that will be converted to
Transmit to the first audio signal output interface.
4. 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.
5. microphone as claimed in claim 4, 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.
6. microphone as claimed in claim 3, it is characterised in that the sound effect processing circuit also includes：
Audio frame；
Controller, it is connected with the audio frame and sound effect processor.
7. microphone as claimed in claim 6, it is characterised in that the sound effect processing circuit also includes：
Functional unit, it is connected with the controller.
8. microphone as claimed in claim 1, it is characterised in that the microphone also includes：
Second audio input interface；
First mixer circuit, two input connect with the sound effect processing circuit and the second audio input interface respectively
Connect, audio mixing is carried out for transmitting the audio signal come to the sound effect processing circuit and the second audio input interface；
Second audio signal output interface, it is connected with first mixer circuit.
9. microphone as claimed in claim 8, it is characterised in that first mixer circuit includes：
Mixer, two input are connected with the sound effect processing circuit and the second audio input interface respectively；
Second amplifier, it is connected between the mixer and the second audio signal output interface.
10. microphone as claimed in claim 9, it is characterised in that the first audio signal output interface and the second audio
Signal input interface is integrated in same device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314655.5U CN206629226U (en) | 2017-03-29 | 2017-03-29 | A kind of microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720314655.5U CN206629226U (en) | 2017-03-29 | 2017-03-29 | A kind of microphone |
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| Publication Number | Publication Date |
|---|---|
| CN206629226U true CN206629226U (en) | 2017-11-10 |
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ID=60208679
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720314655.5U Active CN206629226U (en) | 2017-03-29 | 2017-03-29 | A kind of microphone |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335701A (en) * | 2018-01-24 | 2018-07-27 | 青岛海信移动通信技术股份有限公司 | A kind of method and apparatus carrying out noise reduction |
-
2017
- 2017-03-29 CN CN201720314655.5U patent/CN206629226U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108335701A (en) * | 2018-01-24 | 2018-07-27 | 青岛海信移动通信技术股份有限公司 | A kind of method and apparatus carrying out noise reduction |
| CN108335701B (en) * | 2018-01-24 | 2021-04-13 | 青岛海信移动通信技术股份有限公司 | Method and equipment for sound noise reduction |
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