CN108769847A - A kind of microphone and implementation method with intelligent conversion interface - Google Patents
A kind of microphone and implementation method with intelligent conversion interface Download PDFInfo
- Publication number
- CN108769847A CN108769847A CN201810949705.6A CN201810949705A CN108769847A CN 108769847 A CN108769847 A CN 108769847A CN 201810949705 A CN201810949705 A CN 201810949705A CN 108769847 A CN108769847 A CN 108769847A
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- China
- Prior art keywords
- trrs
- microphone
- signal end
- interface
- detection unit
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
Further include an intelligent built-up circuit the invention discloses a kind of microphone with intelligent conversion interface, including microphone body and TRRS interface arrangements, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone；The intelligence built-up circuit includes detection unit, the bias voltage for detecting TRRS interface device signals end；And switch unit, for being switched between the signal end of TRRS interface arrangements according to the testing result of detection unit；The TRRS interface arrangements use the plug or socket of four ports.The present invention also provides a kind of implementation methods with intelligent conversion interface microphone.The present invention is detected bias voltage on TRRS header signals end by the way that detection unit is arranged in microphone body, and the switching by switch unit to audio signal and TRRS header signals end interface channel, it is applicable in multiple types interface, a tractor serves several purposes is user-friendly.
Description
Technical field
The present invention relates to microphones, more precisely, are related to a kind of microphone and implementation method with intelligent conversion interface.
Background technology
Microphone, scientific name are microphone, are the energy conversion devices that voice signal is converted to electric signal, by "
This English word transliteration of Microphone ", also referred to as microphone, microphone.Professional microphone predominantly needs to record high-quality
The sound pick-up outfit of amount uses, predominantly camera, the professional equipments such as recording pen.The interface that these professional equipments use is generally three sections
The male connector or female seat of the TRRS of the sections of TRS and four.21st century, mobile phone are used at indispensable life in for people's lives
Product, although mobile phone has carried microphone, but the microphone of mobile phone is primarily to communicate, to the of less demanding of recording, to sound
Sound is unable to the reduction of high quality.In order to make mobile phone record the recording of high quality, the microphone of external profession is necessary.On the market
Simulation microphone output be generally three sections the sections of TRS and four TRRS (CTIA), and different sound pick-up outfits defines not
Same recording access type could work normally so the interface of microphone and sound pick-up outfit needs to match.Sound pick-up outfit it is defeated
Incoming interface type limits the use limitation of microphone.For example the microphone of TRS output interfaces needs additionally to increase a TRS
Turning the line of TRRS could use on mobile phone, and the tie clip microphone of TRRS outputs needs one TRRS of additional increase to turn TRS's
Line could use on phonographic recorder or on computer.Microphone needs additional increase patchcord to be compatible with more equipment, in this way
It is very inconvenient and not intelligent.
Invention content
Technical problem to be solved by the invention is to provide a kind of audio signals automatically switching microphone and TRRS interfaces
The microphone of interface channel between device, can be applicable in multiple types interface, and a tractor serves several purposes is user-friendly；In addition this hair
It is bright to additionally provide a kind of implementation method with intelligent conversion interface microphone.
The present invention in order to solve the problems in the existing technology, provide a kind of microphone with intelligent conversion interface and
Implementation method.
In order to achieve the above purpose, the technical scheme is that：
A kind of microphone with intelligent conversion interface, including microphone body and TRRS interface arrangements further include an intelligence switching
Circuit, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone.
Wherein, the intelligent built-up circuit includes detection unit, the biased electrical for detecting TRRS interface device signals end
Pressure；And switch unit, for being switched between the signal end of TRRS interface arrangements according to the testing result of detection unit.
Wherein, the TRRS interface arrangements use the plug or socket of four ports.
Wherein, the TRRS interface arrangements use the plug of four ports, including the first signal end, second signal end, the
Three signal ends and fourth signal end, the first signal end are the connecting pin with the audio signal of TS or TRS interfaces, and second signal end is
With the connecting pin of TRS interface Audio signals, third signal end is ground terminal, and fourth signal end is and TRRS interface Audio signals
Connecting pin.
Wherein, the detection unit and switch unit are electrically connected with TRRS plugs respectively, switch unit also with microphone
Audio signal is electrically connected.
Wherein, the detection unit respectively with the first signal end, second signal end and the fourth signal end on TRRS plugs
Electrical connection.
Wherein, the switch unit is electronic switch, is equipped with common end, the first connecting pin and second connection end；The public affairs
End is electrically connected with the audio signal of microphone altogether, and first connecting pin is electrically connected with the first signal end on TRRS plugs, institute
Second connection end is stated to be electrically connected with the fourth signal end on TRRS plugs.
A kind of implementation method with intelligent conversion interface microphone, includes the following steps：
The TRRS plugs of microphone are plugged in the audio input interface of sound pick-up outfit；
Detection unit examines the bias voltage on the first signal end, second signal end and the fourth signal end on TRRS plugs
It surveys；
When detection unit detects that the first signal end on TRRS plugs has bias voltage, it is single that detection unit automatically controls switching
The common end of member is electrically connected with the first connecting pin on TRRS plugs, so that on the audio signal of microphone and TRRS plugs
The interface channel of first signal end is connected to；
When detection unit detects that there is bias voltage at the second signal end on TRRS plugs, it is single that detection unit automatically controls switching
The common end of member is electrically connected with the second signal end on TRRS plugs, so that on the audio signal of microphone and TRRS plugs
Second signal end interface channel connection；
When detection unit detects that there is bias voltage at the fourth signal end on TRRS plugs, detection unit automatically controls electronic cutting
The common end of pass is electrically connected with the fourth signal end on TRRS plugs, so that the audio signal of microphone is directly inserted with TRRS
The interface channel at the fourth signal end on head is connected to.
Beneficial effects of the present invention：
The present invention is detected bias voltage on TRRS header signals end by the way that detection unit is arranged in microphone body, and
Switching by switch unit to the audio signal and TRRS header signals end interface channel of microphone, applicable multiple types connect
Mouthful, the function of a tractor serves several purposes is realized, it is convenient for users to use.
Description of the drawings
The specific implementation mode of the present invention is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the circuit theory schematic diagram of the present invention.
The square frame principle schematic diagram of Fig. 2 present invention.
Fig. 3 is the structural schematic diagram of TS plugs.
Fig. 4 is the structural schematic diagram of TRS plugs.
Fig. 5 is the structural schematic diagram of the TRRS plugs of the present invention.
Specific implementation mode
In order to make present invention solves the technical problem that, use technical solution, acquirement technique effect it can be readily appreciated that below
In conjunction with specific attached drawing, the specific implementation mode of the present invention is described further.
It should be noted that illustrating only part related to the present invention for ease of description, in attached drawing and not all knot
Structure.
As in Figure 3-5, the plug of currently used TS series has 3 kinds.
Wherein, shown in Fig. 3 is TS plugs, there is 2 signal ends, the ends L and G, when connecting sound pick-up outfit, normal conditions
It is the audio signal of the ends L connection microphone, the ends G ground connection.
Wherein, shown in Fig. 4 is TRS plugs, there is 3 signal ends, the end L, R and G, when connecting sound pick-up outfit, usually
Situation is the audio signal of the ends L or R connection microphone, the ends G ground connection.
Wherein, shown in fig. 5 is TRRS plugs, has 4 signal ends, the end L, R, G and M to lead to when connecting sound pick-up outfit
Reason condition is the audio signal of the ends M connection microphone, the ends G ground connection.
In one particular embodiment of the present invention, using TRRS plugs, the circuit that the present invention is given in Fig. 1 is former
Reason is schemed, and the frame principle figure of the present invention is given in Fig. 2.
As shown in Fig. 2, this embodiment offers a kind of microphone with intelligent conversion interface, including microphone body and
TRRS plugs 1, set that there are one 3 common groups of switch unit 2 and detection units 3, switch unit 2 and detection unit in microphone body
At an intelligent built-up circuit, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone,
Actually according to different types of interface, in the audio signal and TRRS plugs 1 of switch microphone between unlike signal end
Connection relation.
Certain TRRS plugs 1 can also be set as TRRS sockets according to actual needs, and TRRS plugs 1 or TRRS sockets can be with
It is connected as one, can also be connected by conducting wire with microphone body.
As shown in Figure 1, plug of the TRRS plugs 1 using 4 ports, can also use the socket of 4 ports, TRRS plugs
1 is followed successively by the first signal end 101, second signal end 102, third signal end 103 and fourth signal end 104 from head to tail portion.
First signal end 101 is the connecting pin with the audio signal of TS or TRS interfaces, and second signal end 102 is to believe with TRS interface Audios
Number connecting pin, third signal end 103 is ground terminal, and fourth signal end 104 is connecting pin with TRRS interface Audio signals.
Detection unit 3 is bias voltage detection unit, for detecting the first signal end 101, second signal on TRRS plugs 1
The bias voltage at end 102 and fourth signal end 104；Detection unit 3 respectively with the first signal end 101, second signal end 102 and
Four signal ends 104 are electrically connected.
Switch unit 2 is electronic switch, including common end 203, the first connecting pin 201 and second connection end 202；The public affairs
End 203 is electrically connected with the audio signal of microphone altogether, and the first signal end 101 on the first connecting pin 201 and TRRS plugs 1 is electrically connected
It connects, second connection end 202 is electrically connected with the fourth signal end 104 on TRRS plugs 1.
Detection unit and switch unit electrical connection.
It should be noted that for the ease of intuitively understanding technical scheme of the present invention, connecting line in Fig. 1 is to be drawn in
1 outside of TRRS plugs, actual tie point should be connected on the terminals of 1 tail portion of TRRS plugs, this is this field
The common knowledge of those of ordinary skill, it is desirable to not lead to misunderstanding.
Main operational principle：
1. when detection unit 3 detects that the first signal end 101 on TRRS plugs 1 has bias voltage, detection unit 3 is controlled automatically
The common end 203 of switch unit 2 processed is connect with the first connecting pin 201, so that the audio signal of microphone and TRRS plugs 1
Interface channel connection, the audio signal of microphone is electrically connected with the first signal end 101 on TRRS plugs 1.Such situation is suitable
TRRS plugs 1 for the present invention are inserted in TS sockets or TRS sockets（Audio signal end is the ends L）When the case where, without more inserting
Head or additional line can automatically switch interface channel, easy to use.
2. when detection unit 3 detects that there is bias voltage at the second signal end 102 on TRRS plugs 1, detection unit 3 is certainly
The common end 203 of dynamic control switch unit 2 is connect with the first connecting pin 201, so that the audio signal and TRRS of microphone
The interface channel of plug 1 is connected to, and the audio signal of microphone is electrically connected with the first signal end 101 on TRRS plugs 1.Such feelings
Condition is suitable for the invention TRRS plugs 1 and is inserted in TRS sockets（Audio signal end is the ends R）When the case where, do not have to replace plug or
Additional line can automatically switch interface channel, easy to use.
3. when detection unit 3 detects that there is bias voltage at the fourth signal end 104 on TRRS plugs 1, detection unit 3 is certainly
The common end 203 of dynamic control switch unit 2 is connect with second connection end 202, so that the audio signal and TRRS of microphone
The interface channel of plug 1 is connected to, and the audio signal of microphone is electrically connected with the fourth signal end 104 on TRRS plugs 1.Such feelings
Condition is suitable for the invention TRRS plugs 1 and is inserted in TRRS sockets（Audio signal end is the ends M）When the case where, do not have to replace plug or
Additional line can automatically switch interface channel, easy to use.
In this way, the microphone of the present invention can be applicable in the interfaces of TS, TRS, TRRS three types, do not have to replace plug or
Additional line can automatically switch interface channel, easy to use；To realize the function of a tractor serves several purposes, making for user is facilitated
With.
The present invention also provides a kind of implementation methods with intelligent conversion interface microphone, include the following steps：
The TRRS plugs of microphone are plugged in the audio input interface of sound pick-up outfit；
Detection unit examines the bias voltage on the first signal end, second signal end and the fourth signal end on TRRS plugs
It surveys；
When detection unit detects that the first signal end on TRRS plugs has bias voltage, it is single that detection unit automatically controls switching
The common end of member is electrically connected with the first connecting pin on TRRS plugs, so that on the audio signal of microphone and TRRS plugs
The interface channel of first signal end is connected to；
When detection unit detects that there is bias voltage at the second signal end on TRRS plugs, it is single that detection unit automatically controls switching
The common end of member is electrically connected with the second signal end on TRRS plugs, so that on the audio signal of microphone and TRRS plugs
Second signal end interface channel connection；
When detection unit detects that there is bias voltage at the fourth signal end on TRRS plugs, detection unit automatically controls electronic cutting
The common end of pass is electrically connected with the fourth signal end on TRRS plugs, so that the audio signal of microphone is directly inserted with TRRS
The interface channel at the fourth signal end on head is connected to.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Profit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent requirements of the claims
Variation is included within the present invention.
Claims (8)
1. a kind of microphone with intelligent conversion interface, including microphone body and TRRS interface arrangements, it is characterised in that：Also wrap
Include an intelligent built-up circuit, for identification the interface type of sound pick-up outfit and automatically switch the audio signal channel of microphone.
2. microphone according to claim 1, which is characterized in that the intelligence built-up circuit includes detection unit, is used for
Detect the bias voltage at TRRS interface device signals end；And switch unit, the testing result according to detection unit is used in TRRS
Switch between the signal end of interface arrangement.
3. microphone according to claim 2, it is characterised in that：The TRRS interface arrangements use the plug of four ports
Or socket.
4. microphone according to claim 3, which is characterized in that the TRRS interface arrangements are inserted using four ports
Head, including the first signal end, second signal end, third signal end and fourth signal end, the first signal end are and TS or TRS interfaces
Audio signal connecting pin, second signal end is connecting pin with TRS interface Audio signals, and third signal end is ground terminal,
Fourth signal end is the connecting pin with TRRS interface Audio signals.
5. microphone according to claim 2, it is characterised in that：The detection unit and switch unit are inserted with TRRS respectively
Head electrical connection, switch unit are also electrically connected with the audio signal of microphone.
6. microphone according to claim 5, it is characterised in that：The detection unit respectively with first on TRRS plugs
Signal end, second signal end and the electrical connection of fourth signal end.
7. microphone according to claim 5, it is characterised in that：The switch unit be electronic switch, be equipped with common end,
First connecting pin and second connection end；The common end is electrically connected with the audio signal of microphone, first connecting pin with
The first signal end electrical connection on TRRS plugs, the second connection end are electrically connected with the fourth signal end on TRRS plugs.
8. a kind of implementation method with intelligent conversion interface microphone, it is characterised in that：Include the following steps：
The TRRS plugs of microphone are plugged in the audio input interface of sound pick-up outfit；
Detection unit examines the bias voltage on the first signal end, second signal end and the fourth signal end on TRRS plugs
It surveys；
When detection unit detects that the first signal end on TRRS plugs has bias voltage, it is single that detection unit automatically controls switching
The common end of member is electrically connected with the first connecting pin on TRRS plugs, so that on the audio signal of microphone and TRRS plugs
The interface channel of first signal end is connected to；
When detection unit detects that there is bias voltage at the second signal end on TRRS plugs, it is single that detection unit automatically controls switching
The common end of member is electrically connected with the second signal end on TRRS plugs, so that on the audio signal of microphone and TRRS plugs
Second signal end interface channel connection；
When detection unit detects that there is bias voltage at the fourth signal end on TRRS plugs, detection unit automatically controls electronic cutting
The common end of pass is electrically connected with the fourth signal end on TRRS plugs, so that the audio signal of microphone is directly inserted with TRRS
The interface channel at the fourth signal end on head is connected to.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949705.6A CN108769847A (en) | 2018-08-20 | 2018-08-20 | A kind of microphone and implementation method with intelligent conversion interface |
| PCT/CN2018/106033 WO2020037746A1 (en) | 2018-08-20 | 2018-09-17 | Microphone equipped with smart conversion interface and implementation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810949705.6A CN108769847A (en) | 2018-08-20 | 2018-08-20 | A kind of microphone and implementation method with intelligent conversion interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108769847A true CN108769847A (en) | 2018-11-06 |
Family
ID=63967309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810949705.6A Pending CN108769847A (en) | 2018-08-20 | 2018-08-20 | A kind of microphone and implementation method with intelligent conversion interface |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108769847A (en) |
| WO (1) | WO2020037746A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111182417A (en) * | 2020-01-14 | 2020-05-19 | 深圳市爱图仕影像器材有限公司 | Audio interface adaptation circuit, data line and audio equipment |
| CN112866865A (en) * | 2021-03-15 | 2021-05-28 | 北京小鸟科技股份有限公司 | Multi-section type earphone self-adaptive switching system, method and equipment |
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- 2018-09-17 WO PCT/CN2018/106033 patent/WO2020037746A1/en active Application Filing
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| CN1859813A (en) * | 2005-09-28 | 2006-11-08 | 华为技术有限公司 | Signal switching method for internal and external microphone |
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| CN102404665A (en) * | 2010-09-07 | 2012-04-04 | 中兴通讯股份有限公司 | Earphone interface self-adaptation circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN112866865A (en) * | 2021-03-15 | 2021-05-28 | 北京小鸟科技股份有限公司 | Multi-section type earphone self-adaptive switching system, method and equipment |
| CN112866865B (en) * | 2021-03-15 | 2021-12-21 | 北京小鸟科技股份有限公司 | Multi-section type earphone self-adaptive switching system, method and equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020037746A1 (en) | 2020-02-27 |
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Address after: 518000 Longping Community Department, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Jiuwo Longjun Industrial Zone, Building 21, 2nd to 4th floors (one photo multi site enterprise) Applicant after: Shenzhen Aitushi Innovation Technology Co.,Ltd. Address before: 518000, 2nd to 4th floors, Building 21, Jiuwo Longjun Industrial Zone, Longping Community Department, Dalang Street, Longhua New District, Shenzhen, Guangdong Province Applicant before: APUTURE IMAGING INDUSTRIES Co.,Ltd. |
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