CN205647873U - Microphone adapter - Google Patents
Microphone adapter Download PDFInfo
- Publication number
- CN205647873U CN205647873U CN201620382837.1U CN201620382837U CN205647873U CN 205647873 U CN205647873 U CN 205647873U CN 201620382837 U CN201620382837 U CN 201620382837U CN 205647873 U CN205647873 U CN 205647873U
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- Prior art keywords
- microphone
- switch
- electrically connected
- interface
- processing modules
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Abstract
The utility model provides a microphone adapter, including microphone interface, audio output interface, audio frequency processing module, battery, boost circuit, first switch and second switch, wherein, the microphone interface passes through audio frequency processing module with the audio output interface electricity is connected, the battery passes through first switch with audio frequency processing module electric connection, simultaneously, the battery still loops through first switch the second switch boost circuit with microphone interface electric connection, be used for through the microphone interface is supplied power to the external microphone. Beneficial effect: being in when outdoor as the user, not having the input of electric main, this microphone adapter embed the battery, step up the back for the external microphone power supply through boost circuit when the power supply of audio frequency processing module is given to the battery, the purpose having accomplished that the audio frequency is handled and supplied power to the external microphone. This microphone adapter has brought many convenient for user microphone's use.
Description
Technical field
This utility model relates to field of audio devices, particularly relates to a kind of microphone adapter.
Background technology
According to the classification method that recording studio microphone is the most general, microphone is divided into moving coil type microphone and capacitor microphone, dynamic
Circle microphone is without direct-current working volts, and with electric capacity miaow core and preamplifier in capacitor microphone, therefore needs
Phantom power device is wanted to provide 48V direct-current working volts to be operated.In general, the source of phantom power
It is electric main, if when user is in open air, does not has the input of alternating current then cannot normally use electric capacity
Microphone.
Utility model content
The purpose of this utility model is that providing a kind of is just ensureing external microphone in the case of not having electric main
Often there is while work the microphone adapter of Audio Processing function.This utility model is achieved in that this
Microphone adapter include microphone interface, audio output interface, audio processing modules, battery, booster circuit,
First switch and second switch；Wherein, described microphone interface is by described audio processing modules and described audio frequency
Output interface electrically connects；Described battery is electrically connected with described audio processing modules by described first switch,
Meanwhile, described battery passes sequentially through described first switch, described second switch, described booster circuit with described
Microphone interface is electrically connected with, for powering to external microphone through described microphone interface.
Further, described microphone adapter also includes charging inlet, and described charging inlet passes through described first
Switch is electrically connected with described audio processing modules, and meanwhile, described charging inlet also passes sequentially through described first
Switch, described second switch, described booster circuit are electrically connected with described microphone interface, for through described words
Cylinder interface is powered to external microphone.
Further, described first switch includes first passage and second channel, and described battery is by described
First passage is electrically connected with described audio processing modules, described second switch respectively, and described charging inlet leads to
Cross second channel to be electrically connected with described audio processing modules, described second switch respectively；Described enclosure interior
It is additionally provided with the detection control unit being electrically connected with respectively with described first switch, described charging inlet, described
Detection control unit for when detecting that described charging inlet is charged then transmitting control commands give described first to open
Close and disconnect described first passage.
Further, described battery is rechargeable battery, and described battery is electrically connected with described charging inlet.
Further, described microphone interface is analog audio interface, and described audio output interface is DAB
Interface；Described audio processing modules includes codec, conversion unit of protocol；
Described codec and described microphone interface are electrically connected with, for will input from described microphone interface the
One simulated audio signal is converted into the first digital audio and video signals；
Described conversion unit of protocol is electrically connected between described codec and described audio output interface, uses
In described first digital audio and video signals being converted into second numeral suitable with described audio output interface form
Audio signal.
Further, described audio processing modules also include crystal oscillator respectively with described codec, described association
View converting unit is electrically connected with, and is used for providing clock signal.
Further, described audio processing modules also include single-chip microcomputer respectively with described codec, described
Conversion unit of protocol is electrically connected with, for switch sampling rate.
Further, described housing is additionally provided with the first indicator unit, the second indicator unit, the 3rd
In indicator unit at least one, described first indicator unit with described first switch be electrically connected with, described
Second indicator unit is electrically connected with described second switch, described 3rd indicator unit and described single-chip microcomputer
It is electrically connected with.
Further, described audio processing modules also includes and is electrically connected at described microphone interface and described sound
Frequently the sound volume regulation unit between processing module.
Further, described audio processing modules also includes and is electrically connected at described audio output interface and institute
State the digital isolated location between audio processing modules.
The beneficial effects of the utility model: when user is in open air, do not have the input of electric main, these words
Cylinder adapter internal battery, battery power to audio processing modules while through booster circuit boost after give outward
Cylinder of answering is powered, and completes Audio Processing and the purpose powered to external microphone.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, will make required in embodiment below
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing the most of the present utility model
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work,
Other accompanying drawing can also be obtained from these accompanying drawings.
Fig. 1 is this utility model microphone adapter first embodiment structured flowchart；
Fig. 2 is this utility model microphone adapter the second example structure block diagram；
Fig. 3 is this utility model microphone adapter the 3rd example structure block diagram.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the skill in this utility model embodiment
Art scheme is clearly and completely described.The above is preferred implementation of the present utility model, it should
Point out, for those skilled in the art, in the premise without departing from this utility model principle
Under, it is also possible to making some improvements and modifications, these improvements and modifications are also considered as protection model of the present utility model
Enclose.
With reference to shown in Fig. 1, this microphone adapter, arrange including on a housing (not showing in figure), housing
Having microphone interface 1, audio output interface 2 and control key module (not showing in figure), enclosure interior is provided with sound
Frequently processing module 3, battery 4, booster circuit 5 and the corresponding with control key module first switch 6, second are opened
Close 7, when triggering control key, the first switch 6, the ON/OFF of second switch 7 can be controlled.Microphone interface 1 leads to
Crossing audio processing modules 3 to be electrically connected with audio output interface 2, audio processing modules 3 is for from microphone
The audio signal of interface 1 input carries out processing (such as pressure limit process, digital-to-analogue conversion, audio effect processing etc.)；
Battery 4 passes sequentially through the first switch 6 and is electrically connected with audio processing modules 3, for audio processing modules 3
Power supply；Battery 4 also passes sequentially through the first switch 6, second switch 7, booster circuit 5 and microphone interface 1 electricity
Property connect, for powering to external microphone through microphone interface 1, the 3.7V that battery 4 is exported by booster circuit 5
Boost in voltage is to the 48V running voltage needed for external microphone (capacitor microphone).The useful effect of the technical program
Really: when user is in open air, there is no the input of electric main, this microphone adapter internal battery 4, battery
4 power to audio processing modules 3 after booster circuit 5 boosts to external microphone while powering, complete sound
The purpose that frequency processes and powers to external microphone.This microphone adapter brings perhaps to the use of user session cylinder
Facilitate more.
With reference to shown in Fig. 2, more preferably in embodiment, described microphone adapter also includes charging inlet 8, charging
Mouth 8 is electrically connected with audio processing modules 3 by the first switch 6, for powering to audio processing modules 3,
It is electrical with microphone interface 1 that charging inlet 8 also passes sequentially through the first switch 6, second switch 7, booster circuit 5
Connecting, for powering to external microphone through microphone interface 1, self-charging interface 8 is inputted by booster circuit 5
5V boost in voltage is to the 48V running voltage needed for external microphone (capacitor microphone).The technical program useful
Effect: when battery 4 electricity exhausts, if user is with portable power source or notebook computer, then can lead to
Overcharge interface 8 completes Audio Processing and the purpose powered to external microphone.This microphone adapter is to user
The use of microphone brings many convenient.Further, charging inlet 8 is USB interface.
More preferably in embodiment, the first switch 6 includes first passage 61 and second channel 62, and battery 4 passes through
First passage 61 is electrically connected with audio processing modules 3, second switch 7 respectively, and charging inlet 8 is by the
Two passages 62 are electrically connected with audio processing modules 3, second switch 7 respectively；Enclosure interior is additionally provided with point
The detection control unit 9 not being electrically connected with the first switch 6, charging inlet 8, detection control unit 9 is used for
When detecting that charging inlet 8 is charged then transmitting control commands to the first switch 6 disconnection first passages 61.Letter
For it, when this microphone adapter detect charging inlet 8 have electricity input time, then disconnect battery 4 to audio frequency
Processing module 3, the power supply of external microphone, thus saved the electricity of battery 4 in case of need.
More preferably in embodiment, battery 4 is rechargeable battery, and battery 4 is electrically connected with charging inlet 8.When filling
Electrical interface 8 also charges to battery 4 when having electricity input while powering to audio processing modules 3, external microphone.
With reference to shown in Fig. 2, more preferably in embodiment, microphone interface 1 is analog audio interface, and analogue audio frequency connects
Mouth includes TRS interface (three kinds of sizes 6.3mm, 3.5mm, 2.5mm), (Flos Nelumbinis head connects RCA interface
Mouthful, the equipment such as audio amplifier, TV, power amplifier, DVD player has substantially), XLR interface (card agriculture interface)
Deng.Audio output interface 2 is digital audio interface, and digital audio interface includes AES/EBU interface (three cores
The AES/EBU physical interface of XLR interface), S/PDIF interface (S/PDIF interface typically has three kinds, one
Planting is RCA coaxial interface, and another kind is BNC coaxial interface, and also one is TOSLINK optical fiber interface),
(coaxial interface is divided into two kinds to coaxial interface, and one is RCA coaxial interface, and another kind is that BNC coaxially connects
Mouthful), optical fiber interface etc..Audio processing modules 3 includes codec 31, conversion unit of protocol 32；Compile and solve
Code device 31 is electrically connected with microphone interface 1, for the first simulated audio signal that will input from microphone interface 1
It is converted into the first digital audio and video signals；It is defeated with audio frequency that conversion unit of protocol 32 is electrically connected at codec 31
Between outgoing interface 2, suitable with audio output interface 2 form for the first digital audio and video signals is converted into
The second digital audio and video signals.In brief, this microphone adapter is also equipped with the function of analog digital conversion.Permissible
Make traditional simulation microphone access this microphone adapter, export digital audio and video signals, carry out in a digital manner
Transmission, it is to avoid loss of signal that analogue transmission mode is brought and the problem such as electromagnetic interference and connection interference.
More preferably in embodiment, audio processing modules 3 also include crystal oscillator 33 respectively with codec 31, agreement
Converting unit 32 is electrically connected with, and is used for providing clock signal.
More preferably in embodiment, audio processing modules 3 also include single-chip microcomputer 34 respectively with codec 31, association
View converting unit 32 is electrically connected with, for switch sampling rate.This case provides three kinds of sample rates and selects:
48KHZ/96KHZ/192KHZ。
More preferably in embodiment, housing is additionally provided with the first indicator unit (LED, display screen etc., figure
In do not show), the second indicator unit, in the 3rd indicator unit at least one.First indicator unit
With the first switch 6 electric connection, when the first switch 6 conducting, the first indicator unit shows.The
Two display lamps are electrically connected with second switch 7, and when second switch 7 turns on, the second indicator unit is carried out
Display.3rd indicator unit is electrically connected with single-chip microcomputer 34, when user carries out sample rate
When the mode of operation of 48KHZ/96KHZ/192KHZ selects, the 3rd indicator unit shows.
More preferably in embodiment, audio processing modules 3 also includes and is electrically connected at microphone interface 1 and audio frequency
Sound volume regulation unit 35 between reason module 3.User can on this microphone adapter microphone input sound
Frequently signal volume size is adjusted.Audio processing modules 3 also includes and is electrically connected at audio output interface 2
And the digital isolated location 36 between audio processing modules 3.Having the beneficial effects that of isolated location 36 of numeral carries
The capacity of resisting disturbance of high microphone adapter, improves the tonequality of digital audio and video signals.
Obviously, the above embodiment of the present invention is only for clearly demonstrating example of the present invention, and also
Non-is the restriction to embodiments of the present invention.For those of ordinary skill in the field, above-mentioned
Can also make other changes in different forms on the basis of explanation.Here without also cannot be to all
Embodiment give exhaustive.All made within the spirit and principles in the present invention any amendment, equivalent replace
Change and improvement etc., within should be included in the protection domain of the claims in the present invention.
Claims (10)
1. a microphone adapter, it is characterised in that include housing, microphone interface, audio output interface, audio processing modules, battery, booster circuit, the first switch and second switch；Wherein, described microphone interface is electrically connected with described audio output interface by described audio processing modules；Described battery is electrically connected with described audio processing modules by described first switch, simultaneously, described battery also passes sequentially through described first switch, described second switch, described booster circuit are electrically connected with described microphone interface, for powering to external microphone through described microphone interface.
Microphone adapter the most according to claim 1, it is characterized in that, described microphone adapter also includes charging inlet, described charging inlet is electrically connected with described audio processing modules by described first switch, simultaneously, described charging inlet also passes sequentially through described first switch, described second switch, described booster circuit are electrically connected with described microphone interface, for powering to external microphone through described microphone interface.
Microphone adapter the most according to claim 2, it is characterized in that, described first switch includes first passage and second channel, described battery is electrically connected with described audio processing modules, described second switch respectively by described first passage, and described charging inlet is electrically connected with described audio processing modules, described second switch respectively by second channel；Described enclosure interior is additionally provided with the detection control unit being electrically connected with respectively with described first switch, described charging inlet, described detection control unit for when detecting that described charging inlet is charged then transmitting control commands give described first to switch off described first passage.
Microphone adapter the most according to claim 2, it is characterised in that described battery is rechargeable battery, described battery is electrically connected with described charging inlet.
Microphone adapter the most according to claim 1, it is characterised in that described microphone interface is analog audio interface, described audio output interface is digital audio interface；Described audio processing modules includes codec, conversion unit of protocol；
Described codec is electrically connected with described microphone interface, for the first simulated audio signal inputted from described microphone interface is converted into the first digital audio and video signals；
Described conversion unit of protocol is electrically connected between described codec and described audio output interface, for described first digital audio and video signals is converted into second digital audio and video signals suitable with described audio output interface form.
Microphone adapter the most according to claim 5, it is characterised in that described audio processing modules also includes crystal oscillator and is electrically connected with described codec, described conversion unit of protocol respectively, is used for providing clock signal.
Microphone adapter the most according to claim 5, it is characterised in that described audio processing modules also includes single-chip microcomputer and is electrically connected with, for switch sampling rate with described codec, described conversion unit of protocol respectively.
Microphone adapter the most according to claim 7, it is characterized in that, at least one it is additionally provided with in the first indicator unit, the second indicator unit, the 3rd indicator unit on described housing, described first indicator unit is electrically connected with described first switch, described second indicator unit is electrically connected with described second switch, and described 3rd indicator unit is electrically connected with described single-chip microcomputer.
Microphone adapter the most according to claim 1, it is characterised in that described audio processing modules also includes the sound volume regulation unit being electrically connected between described microphone interface and described audio processing modules.
Microphone adapter the most according to claim 1, it is characterised in that described audio processing modules also includes the digital isolated location being electrically connected between described audio output interface and described audio processing modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382837.1U CN205647873U (en) | 2016-04-29 | 2016-04-29 | Microphone adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620382837.1U CN205647873U (en) | 2016-04-29 | 2016-04-29 | Microphone adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205647873U true CN205647873U (en) | 2016-10-12 |
Family
ID=57061005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620382837.1U Expired - Fee Related CN205647873U (en) | 2016-04-29 | 2016-04-29 | Microphone adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205647873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632690A (en) * | 2017-07-18 | 2018-10-09 | 北京视联动力国际信息技术有限公司 | A kind of hand microphone and Gooseneck type microphone switching method and apparatus |
-
2016
- 2016-04-29 CN CN201620382837.1U patent/CN205647873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108632690A (en) * | 2017-07-18 | 2018-10-09 | 北京视联动力国际信息技术有限公司 | A kind of hand microphone and Gooseneck type microphone switching method and apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161012 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |