CN207399486U - A kind of microphone device extended by ear microphone jack - Google Patents
A kind of microphone device extended by ear microphone jack Download PDFInfo
- Publication number
- CN207399486U CN207399486U CN201720899932.3U CN201720899932U CN207399486U CN 207399486 U CN207399486 U CN 207399486U CN 201720899932 U CN201720899932 U CN 201720899932U CN 207399486 U CN207399486 U CN 207399486U
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- resistance
- resistor
- plug
- microphone
- tie point
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Abstract
The utility model discloses a kind of microphone devices extended by ear microphone jack.Multiple plug tie points, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and the capacitance that it includes header body, is set in header body；One end of first resistor is connected with plug L channel tie point, another termination second resistance；One end of second resistance is connected with plug right channel tie point, another termination first resistor；One end of 3rd resistor is connected with plug earthed tie point, another termination first resistor and second resistance common connecting point；One end of capacitance is connected with plug microphone input tie point, its other end is connected with one end of the 4th resistance, another termination first resistor of 4th resistance, second resistance, 3rd resistor common connecting point, one end of the 5th resistance is connected on the line of capacitance and plug microphone input tie point, other end connection plug ground connection point.The utility model can capture the audio signal of high quality.
Description
Technical field
The utility model is related to audio signal processing techniques, are specifically a kind of acoustic dress extended by ear microphone jack
It puts.
Background technology
On most PCs or smart machine, such as Android mobile phone, it is not provided with system sound on hardware at present
The function of record in sound, most systems voice capturing, transmission, monitoring, the application software for recording class, can only pick up from external microphone
The sound of loud speaker is taken, but can simultaneously be mixed external noise in audio signal together, signal quality is excessively poor, it is difficult to full
The actual needs of sufficient high quality audio processing.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide one kind and are extended by ear microphone jack
Microphone device, can solve the problems, such as it is big using the outer record mode capture systems sound poor anti jamming capability of tradition, noise, can be with
Meet smart machine audio capturing, transmission, the actual needs recorded.
The purpose of this utility model is achieved through the following technical solutions：One kind is extended by ear microphone jack
Microphone device, including：
Header body, the multiple plug tie points set in header body, first resistor, second resistance, 3rd resistor,
4th resistance, the 5th resistance and capacitance；
One end of the first resistor is connected with plug L channel tie point, another termination second resistance；Second resistance
One end be connected with plug right channel tie point, another termination first resistor；One end of 3rd resistor is connected with plug earthed
Point connection, another termination first resistor and second resistance common connecting point；One end of capacitance is connected with plug microphone input
Point connection, the other end is connected with one end of the 4th resistance, another termination first resistor of the 4th resistance, second resistance, the 3rd
Resistance common connecting point, an end of the 5th resistance are connected on the line of capacitance and plug microphone input tie point, the other end
Connection plug ground connection point.
Further, by first resistor, left channel signals are introduced from plug.
Further, by second resistance, right-channel signals are introduced from plug.
Further, by 3rd resistor the sound channel signal of introducing is divided and audio mixing.
Further, the 4th resistance, the 5th resistance and capacitance, for isolating bias voltage and matching impedance, output
Audio signal is to plug.
Further, the ear microphone jack includes line control earphone microphone jack.
Further, the line control earphone microphone jack includes the line control earphone microphone that diameter is arranged to 3.5mm
Jack.
The beneficial effects of the utility model are：
（1）The utility model is voice capturing, transmission, monitoring, the application software for recording class and program be from microphones capture
Audio signal provides a kind of new solution.
（2）The utility model can be integrated on smart machine, and smart machine is made to have the function of record in system sounds, full
Sufficient types of applications software is to the capture of high-quality audio signal, transmission, supervision and records demand.
（3）The utility model carries out voice extension transmission in ear microphone jack, can be disturbed to avoid external noise,
The audio signal quality of acquisition is improved, enhances signal antijamming capability, the actual need of high quality audio processing can be met
It will.
（4）The sound channel signal of the utility model introduces sub-circuit and introduces stereo two sound channel signals, through partial pressure with
Audio mixing sub-circuit is divided, the signal after audio mixing, and level signal matching and attenuation are carried out to microphone, using matching and decline
After subtracting sub-circuit isolation bias voltage, matching impedance, audio signal is inputted to microphone input circuit, with this apparatus and method
It can help voice capturing, transmission, the application software for recording class and program from microphones capture to high quality, is almost noiseless
Audio signal.
Description of the drawings
Fig. 1 is the structure chart of the utility model.
Specific embodiment
The technical solution of the utility model, but the scope of protection of the utility model are described in further detail below in conjunction with the accompanying drawings
It is not limited to as described below.
【Embodiment one】
As shown in Figure 1, a kind of microphone device extended by ear microphone jack, including：
Header body, the multiple plug tie points set in header body, first resistor R1, second resistance R2, the 3rd
Resistance R3, the 4th resistance R4, the 5th resistance R5 and capacitance C1；
One end of the first resistor is connected with plug L channel tie point, another termination second resistance；Second resistance
One end be connected with plug right channel tie point, another termination first resistor；One end of 3rd resistor is connected with plug earthed
Point connection, another termination first resistor and second resistance common connecting point；One end of capacitance is connected with plug microphone input
Point connection, the other end is connected with one end of the 4th resistance, another termination first resistor of the 4th resistance, second resistance, the 3rd
Resistance common connecting point, an end of the 5th resistance are connected on the line of capacitance and plug microphone input tie point, the other end
Connection plug ground connection point.
Further, by first resistor R1, left channel signals are introduced from plug tie point L.
Further, by second resistance R2, right-channel signals are introduced from plug tie point R.
Further, the sound channel signal of introducing carries out plug ground terminal tie point GND by 3rd resistor R3 partial pressure and
Audio mixing.
Further, the 4th resistance R4, the 5th resistance R5 and capacitance C1 hinder for isolating bias voltage and matching
Anti-, exports audio signal to plug microphone tie point MIC inputs.
Further, the ear microphone jack includes line control earphone microphone jack.
Further, the line control earphone microphone jack includes the line control earphone microphone that diameter is arranged to 3.5mm
Jack.
In the embodiment of the utility model, resistance R1, R2 introduce stereo two sound channel signals, divide through resistance R3
Signal after pressure, audio mixing, level signal matching and attenuation are carried out to microphone, isolate biased electrical via resistance R4, R5, capacitance C1
Audio signal is inputted to microphone input circuit after pressure, matching impedance, device plug can access the standard line control earphone of 3.5mm
Microphone jack, those skilled in the art can meet most of ear microphone jacks according to actual demand design size
Actual needs.Voice capturing, transmission, the application software and program for recording class can be helped using this device, from microphones capture
To high quality, almost noiseless audio signal.
The above is only the preferred embodiment of the utility model, it should be understood that the utility model is not limited to herein
Disclosed form is not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and environment, and
It can be modified in contemplated scope described herein by the technology or knowledge of above-mentioned introduction or association area.And this field
The modifications and changes that personnel are carried out do not depart from the spirit and scope of the utility model, then all should be in right appended by the utility model
It is required that protection domain in.
Claims (6)
1. a kind of microphone device extended by ear microphone jack, which is characterized in that including：
Header body, the multiple plug tie points set in header body, first resistor, second resistance, 3rd resistor, the 4th
Resistance, the 5th resistance and capacitance；
One end of the first resistor is connected with plug L channel tie point, another termination second resistance；The one of second resistance
End is connected with plug right channel tie point, another termination first resistor；One end of 3rd resistor connects with plug earthed tie point
It connects, another termination first resistor and second resistance common connecting point；One end of capacitance connects with plug microphone input tie point
It connects, the other end is connected with one end of the 4th resistance, another termination first resistor, second resistance, the 3rd resistor of the 4th resistance
Common connecting point, an end of the 5th resistance is connected on capacitance and on the line of plug microphone input tie point, the other end connects
Plug earthed tie point.
2. a kind of microphone device extended by ear microphone jack according to claim 1, it is characterised in that：Pass through
First resistor and second resistance, introduce left and right sound track signals respectively.
3. a kind of microphone device extended by ear microphone jack according to claim 1, it is characterised in that：3rd
The sound channel signal of introducing is divided resistance and audio mixing.
4. a kind of microphone device extended by ear microphone jack according to claim 1, it is characterised in that：It is described
4th resistance, the 5th resistance and capacitance, for isolating bias voltage and matching impedance.
5. a kind of microphone device extended by ear microphone jack according to claim 1, it is characterised in that：It is described
Ear microphone jack include line control earphone microphone jack.
6. a kind of microphone device extended by ear microphone jack according to claim 5, it is characterised in that：It is described
Line control earphone microphone jack include diameter and be arranged to the line control earphone microphone jack of 3.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899932.3U CN207399486U8 (en) | 2017-07-24 | 2017-07-24 | A kind of microphone device extended by ear microphone jack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720899932.3U CN207399486U8 (en) | 2017-07-24 | 2017-07-24 | A kind of microphone device extended by ear microphone jack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN207399486U true CN207399486U (en) | 2018-05-22 |
| CN207399486U8 CN207399486U8 (en) | 2018-08-07 |
Family
ID=62417649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720899932.3U Active CN207399486U8 (en) | 2017-07-24 | 2017-07-24 | A kind of microphone device extended by ear microphone jack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207399486U8 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345981A (en) * | 2020-09-25 | 2021-02-09 | 深圳宝新创科技股份有限公司 | Detection jig and method for detecting audio socket |
-
2017
- 2017-07-24 CN CN201720899932.3U patent/CN207399486U8/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112345981A (en) * | 2020-09-25 | 2021-02-09 | 深圳宝新创科技股份有限公司 | Detection jig and method for detecting audio socket |
Also Published As
| Publication number | Publication date |
|---|---|
| CN207399486U8 (en) | 2018-08-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model patent | ||
| CU01 | Correction of utility model patent |
Correction item: Inventor Correct: Chen Tingchuan|Tang Yue False: Tang Yue Number: 21-01 Volume: 34 Correction item: Inventor Correct: Chen Tingchuan|Tang Yue False: Tang Yue Number: 21-01 Page: The title page Volume: 34 |