CN205883501U - Multi -mode microphone - Google Patents
Multi -mode microphone Download PDFInfo
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- CN205883501U CN205883501U CN201620555786.8U CN201620555786U CN205883501U CN 205883501 U CN205883501 U CN 205883501U CN 201620555786 U CN201620555786 U CN 201620555786U CN 205883501 U CN205883501 U CN 205883501U
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- microphone
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- 230000004044 response Effects 0.000 claims abstract description 44
- 230000003321 amplification Effects 0.000 claims abstract description 15
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 15
- 230000035945 sensitivity Effects 0.000 claims abstract description 12
- 230000008859 change Effects 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000005303 weighing Methods 0.000 claims 1
- 230000005236 sound signal Effects 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract description 4
- 238000004458 analytical method Methods 0.000 abstract description 2
- 230000003750 conditioning effect Effects 0.000 abstract 5
- 230000006978 adaptation Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000007613 environmental effect Effects 0.000 description 6
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
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Abstract
The utility model relates to a microphone especially relates to a multi -mode microphone, including the sound sensor for gather and output sound sound signal, the regulating circuit, with the sound sensor is connected, is used for being based on a sound sound signal output conditioning signal, amplifier circuit, respectively with the sound sensor adjust circuit connection, be used for being based on conditioning signal is right sound sound signal enlarge, exports a signal amplification, frequency response analysis appearance, respectively with amplifier circuit adjust circuit connection, be used for receiving signal amplification, and according to conditioning signal adjusts signal amplification's frequency response range exports an analog signal. The utility model discloses a sound sound signal to gathering in the sensing environment of sound sensor responds to, and by an adjusting module output conditioning signal, this conditioning signal can adjust the sound sound signal's that gathers sensitivity and frequency response scope, definite to make the adaptation sensing environment that the sound of microphone output can be better.
Description
Technical field
This utility model relates to a kind of mike, particularly relates to a kind of multimode microphone.
Background technology
Owing to the environment of mike radio reception is different, it is different to the needs of acoustic gain and the scope of frequency response, existing
Some mikes reply varying environment is mainly the regulation being carried out power consumption by clock signal, but clock signal can not be real-time
Adapting to the change of environment, user is poor for the reception of microphone voice.
Utility model content
The problem existed for prior art, now provides a kind of multimode microphone.
Concrete technical scheme is as follows:
A kind of multimode microphone, including:
Sound transducer, in order to gather and to export acoustical signal；
Regulation circuit, is connected with described sound transducer, in order to according to described acoustical signal output one regulation signal；
Amplifying circuit, is connected with described sound transducer, described regulation circuit respectively, in order to according to described regulation signal pair
Described acoustical signal amplifies, output one amplification signal；
Frequency response analyzer, is connected with described amplifying circuit, described regulation circuit respectively, believes in order to receive described amplification
Number, and according to described regulation Signal Regulation, amplify the frequency response range of signal, export an analogue signal.
Preferably, also include
Change-over circuit, is connected with described frequency response analyzer, in order to receive and to change described analogue signal.
Preferably, described change-over circuit is analog to digital conversion circuit.
Preferably, described amplifying circuit includes operational amplifier.
Preferably, during described frequency response analyzer is integrated in an equalizer.
Preferably, during described frequency response analyzer is integrated in a wave filter.
Preferably, the Hz-KHz of described frequency response analyzer regulation is 200Hz-2.5KHz.
Preferably, the Hz-KHz of described frequency response analyzer regulation is 200Hz-7.5KHz.
Preferably, the sensitivity of described amplification signal is-22dBFS～-18dBFS.
Preferably, the sensitivity of described amplification signal is-36dBFS.
Technique scheme provides the benefit that:
Technique scheme can be sensed by the acoustical signal gathered in the sensed environmental to sound transducer, by
One adjustment module output one regulation signal, the sensitivity of the acoustical signal gathered and Hz-KHz can be carried out by this regulation signal
Regulate, determine, so that the sound of mike output can preferably adapt to sensed environmental.
Accompanying drawing explanation
Fig. 1-Fig. 2 is the schematic diagram of the embodiment of a kind of multimode microphone of this utility model.
Detailed description of the invention
It should be noted that in the case of not conflicting, following technical proposals, can be mutually combined between technical characteristic.
Below in conjunction with the accompanying drawings detailed description of the invention of the present utility model is further described:
Present embodiments provide a kind of multimode microphone, as it is shown in figure 1, include:
Sound transducer, in order to gather and to export acoustical signal；
Regulation circuit, is connected with described sound transducer, in order to according to described acoustical signal output one regulation signal；
Amplifying circuit, is connected with described sound transducer, described regulation circuit respectively, in order to according to described regulation signal pair
Described acoustical signal amplifies, output one amplification signal；
Frequency response analyzer, is connected with described amplifying circuit, described regulation circuit respectively, believes in order to receive described amplification
Number, and according to described regulation Signal Regulation, amplify the frequency response range of signal, export an analogue signal.
In the present embodiment, adjustment module can be real-time according to acoustical signal output one regulation signal, the most real-time to sound
Tone signal is adjusted, and the multiple amplifying acoustical signal is adjusted i.e. regulating the gain of sound so that the spirit of acoustical signal
Sensitivity more can adapt to the change of sensed environmental, additionally can be according to the scope of regulation Signal Regulation frequency response, it is achieved that
For the power consumption that different sensed environmental output is different, it is achieved that the multi-mode of mike.
Frequency response analyzer in the present embodiment can use the method for existing regulating frequency response range, as long as
The technical scheme being capable of regulating frequency response all can apply in the present embodiment.
When frequency response refers to be connected one with system with the audio signal of constant voltage output, the acoustic pressure that audio amplifier produces
The phenomenon increasing or decaying, phase place changes with frequency, this acoustic pressure and phase place and frequency is there is with the change of frequency
The variation relation being associated be referred to as frequency response.Also refer to the frequency that sound system can be reset in the range of amplitude allows
Scope, and the variable quantity of signal in this range is referred to as frequency response, is also frequency characteristic.In specified frequency range,
The ratio of the maxima and minima of output voltage amplitude, represents its unevenness with decibels (dB).Frequency response is at electric energy
Quality concept typically refers to the impedance change with frequency of system or gage probe.
The system steady-state response characteristic to sinusoidal signal.Stable state is the motion of system state after transient process terminates.
The frequency response of system is made up of amplitude-frequency characteristic and phase-frequency characteristic.Amplitude-frequency characteristic represents the increase and decrease pass with signal frequency of gain
System；Phase-frequency characteristic represents the phase distortion relation under unlike signal frequency.System can be evaluated more intuitively according to frequency response
The ability of system reproduction signal and the characteristic crossing noise filtering.In control theory, can analyze more easily according to frequency response
The stability of system and other kinetic characteristics.The concept of frequency response is the most critically important in system designs.Introduce appropriate format
Correcting unit can adjust the characteristic of frequency response, makes the performance of system be improved.Set up dividing on the basis of frequency response
Analysis and method for designing, referred to as frequency response method.
In one preferred embodiment of this utility model, as in figure 2 it is shown, also include
Change-over circuit, is connected with described frequency response analyzer, in order to receive and to change described analogue signal.
In one preferred embodiment of this utility model, described change-over circuit is analog to digital conversion circuit.
In one preferred embodiment of this utility model, described amplifying circuit includes operational amplifier.
In one preferred embodiment of this utility model, described frequency response analyzer is integrated in an equalizer.
In one preferred embodiment of this utility model, described frequency response analyzer is integrated in a wave filter.
In one preferred embodiment of this utility model, the Hz-KHz of described frequency response analyzer regulation is 200Hz-
2.5KHz。
In one preferred embodiment of this utility model, the Hz-KHz of described frequency response analyzer regulation is 200Hz-
7.5KHz。
In one preferred embodiment of this utility model, the sensitivity of described amplification signal is-22dBFS～-18dBFS.
In one preferred embodiment of this utility model, the sensitivity of described amplification signal is-36dBFS.
In above-described embodiment, such as, if in relatively quiet environment, the sensitivity of acoustical signal and Hz-KHz
Adaptive adjustment can be carried out according to quiet environment, such as, can reduce the gain of acoustical signal, thus reduce mike
Power consumption, then convert analog signals into digital signal output, the mike of above-described embodiment be one realize mobilism frequency
Speaking pipe reason and the multi-mode digital mike of sensitivity management.
To sum up, technique scheme can be felt by the acoustical signal gathered in the sensed environmental to sound transducer
Should, by an adjustment module output one regulation signal, this regulation signal can be to the sensitivity of the acoustical signal gathered and frequency response model
Enclose and be adjusted, determine, so that the sound of mike output can preferably adapt to sensed environmental.
By explanation and accompanying drawing, give the exemplary embodiments of the ad hoc structure of detailed description of the invention, new based on this practicality
Type spirit, also can make other conversion.Although above-mentioned utility model proposes existing preferred embodiment, but, these contents
It is not intended as limitation.
For a person skilled in the art, after reading described above, various changes and modifications will be apparent to undoubtedly.
Therefore, appending claims should regard the whole variations and modifications containing true intention of the present utility model and scope as.
In Claims scope, the scope of any and all equivalence and content, be all considered as still belonging to intention of the present utility model and model
In enclosing.
Claims (10)
1. a multimode microphone, it is characterised in that including:
Sound transducer, in order to gather and to export acoustical signal；
Regulation circuit, is connected with described sound transducer, in order to according to described acoustical signal output one regulation signal；
Amplifying circuit, is connected with described sound transducer, described regulation circuit respectively, in order to according to described regulation signal to described
Acoustical signal amplifies, output one amplification signal；
Frequency response analyzer, is connected with described amplifying circuit, described regulation circuit respectively, in order to receive described amplification signal,
And according to described regulation Signal Regulation, amplify the frequency response range of signal, export an analogue signal.
Multimode microphone the most according to claim 1, it is characterised in that also include
Change-over circuit, is connected with described frequency response analyzer, in order to receive and to change described analogue signal.
Multimode microphone the most according to claim 2, it is characterised in that described change-over circuit is analog to digital conversion circuit.
Multimode microphone the most according to claim 1, it is characterised in that described amplifying circuit includes operational amplifier.
Multimode microphone the most according to claim 1, it is characterised in that it is equal that described frequency response analyzer is integrated in one
In weighing apparatus.
Multimode microphone the most according to claim 1, it is characterised in that described frequency response analyzer is integrated in a filter
In ripple device.
Multimode microphone the most according to claim 1, it is characterised in that the frequency response of described frequency response analyzer regulation
Scope is 200Hz-2.5KHz.
Multimode microphone the most according to claim 1, it is characterised in that the frequency response of described frequency response analyzer regulation
Scope is 200Hz-7.5KHz.
Multimode microphone the most according to claim 1, it is characterised in that the sensitivity of described amplification signal is-
22dBFS～-18dBFS.
Multimode microphone the most according to claim 1, it is characterised in that the sensitivity of described amplification signal is-
36dBFS。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555786.8U CN205883501U (en) | 2016-06-08 | 2016-06-08 | Multi -mode microphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555786.8U CN205883501U (en) | 2016-06-08 | 2016-06-08 | Multi -mode microphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205883501U true CN205883501U (en) | 2017-01-11 |
Family
ID=57690423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620555786.8U Withdrawn - After Issue CN205883501U (en) | 2016-06-08 | 2016-06-08 | Multi -mode microphone |
Country Status (1)
| Country | Link |
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| CN (1) | CN205883501U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939503A (en) * | 2016-06-08 | 2016-09-14 | 钰太芯微电子科技（上海）有限公司 | Multi-mode microphone |
-
2016
- 2016-06-08 CN CN201620555786.8U patent/CN205883501U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105939503A (en) * | 2016-06-08 | 2016-09-14 | 钰太芯微电子科技（上海）有限公司 | Multi-mode microphone |
| CN105939503B (en) * | 2016-06-08 | 2024-01-16 | 钰太芯微电子科技（上海）有限公司 | Multi-mode microphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20240116 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170111 Effective date of abandoning: 20240116 |