CN106231470A - A kind of method shortening the active noise reduction earphone construction cycle and active noise reduction earphone - Google Patents
A kind of method shortening the active noise reduction earphone construction cycle and active noise reduction earphone Download PDFInfo
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- CN106231470A CN106231470A CN201610804410.0A CN201610804410A CN106231470A CN 106231470 A CN106231470 A CN 106231470A CN 201610804410 A CN201610804410 A CN 201610804410A CN 106231470 A CN106231470 A CN 106231470A
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- noise reduction
- auricular concha
- mike
- loudspeaker
- earphone
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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
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1083—Reduction of ambient noise
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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
- H04R3/00—Circuits for transducers, loudspeakers or microphones
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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
- H04R2410/00—Microphones
- H04R2410/01—Noise reduction using microphones having different directional characteristics
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The invention discloses a kind of method shortening the active noise reduction earphone construction cycle and active noise reduction earphone, described method includes: require to select Mike, loudspeaker according to noise reduction, Mike, loudspeaker are fixed on auricular concha, adjust the operatic tunes that auricular concha is formed with Mike, loudspeaker, form the general auricular concha of noise reduction；Obtain transmission function, according to transmission function design noise reduction universal circuit；General for noise reduction auricular concha is connected with appearance member；Noise reduction universal circuit is connected with governor circuit.The method of the shortening active noise reduction earphone construction cycle of the present invention and active noise reduction earphone, selected Mike and loudspeaker are fixed together with auricular concha, form the general auricular concha of noise reduction, design noise reduction universal circuit, the general auricular concha of noise reduction and noise reduction universal circuit constitute noise reduction general part, noise reduction general part is unified to be made, and concordance is high；During headset designs, directly use noise reduction general part to realize the decrease of noise functions of earphone, shorten the construction cycle of the earphone of band decrease of noise functions；Improve concordance and the yields of earphone.
Description
Technical field
The invention belongs to ear phone technology field, specifically, relate to a kind of shorten the active noise reduction earphone construction cycle
Method and active noise reduction earphone.
Background technology
During active noise reduction headset designs, the significant percentage of time is all used for obtaining from noise source to loudspeaker, and loudspeaker arrive
Mike, noise source is to the transmission function of the noise transmission approach such as Mike.
Existing technical scheme is the design operatic tunes after selected Mike, loudspeaker model, measures on the basis of these work
The parameter such as frequency response, phase place, calculation of transfer function；Then design active noise reduction circuit, selected component parameter；Test after completing
Card, and adjust undesirable parameter.If Mike changes with the parameter of loudspeaker, relative position etc., whole process
It is accomplished by re-starting, has a strong impact on the construction cycle.
Summary of the invention
The invention provides a kind of method shortening the active noise reduction earphone construction cycle, shorten the construction cycle.
For solving above-mentioned technical problem, the present invention uses following technical proposals to be achieved:
A kind of method shortening the active noise reduction earphone construction cycle, described method includes that noise reduction general part design process and earphone set
Meter process；
Described noise reduction general part design process includes:
Require to select Mike, loudspeaker according to noise reduction, Mike, loudspeaker are fixed on auricular concha, and adjust auricular concha and Mike, tubaeform
The operatic tunes become, forms the general auricular concha of noise reduction；
Obtain transmission function, according to transmission function design noise reduction universal circuit；
Described headset designs process includes:
It is connected detachable with appearance member for general for noise reduction auricular concha；
Noise reduction universal circuit is connected with governor circuit.
Further, described according to noise reduction requirement selection Mike, loudspeaker, Mike, loudspeaker are fixed on auricular concha, specifically wrap
Include:
If noise reduction requires to be feed forward noise reduction, then select loudspeaker and a Mike, loudspeaker and Mike are separately fixed at ear
Front-end and back-end within shell；
If noise reduction requires to be feedback noise reduction, then select loudspeaker and a Mike, loudspeaker be fixed on auricular concha interior forward end,
Mike is fixed on auricular concha outer front end；
If noise reduction requires to mix noise reduction for feedforward and feedback, then select loudspeaker and two Mikes, loudspeaker are fixed on ear
Shell interior forward end, is fixed on auricular concha outer front end by one of them Mike, and another Mike is fixed on auricular concha Internal back end.
Further, the operatic tunes that described adjustment auricular concha is formed with Mike, loudspeaker, specifically include: adjust the tune on auricular concha
Sound hole size and on sound regulating hole paste screen cloth adjust the operatic tunes so that acoustical curve and acoustical behavior reach set requirement.
Further, described acquisition transmits function, specifically includes:
If noise reduction requires to be feed forward noise reduction, then obtain noise source to Mike, noise source to artificial ear, the biography of loudspeaker to artificial ear
Delivery function；
If noise reduction requires to be feedback noise reduction, then obtain the loudspeaker transmission function to Mike；
If noise reduction requires to mix noise reduction for feedforward and feedback, then obtain noise source to two Mike, noise source to artificial ear, loudspeaker
To artificial ear, the transmission function of loudspeaker to two Mike.
A kind of active noise reduction earphone, including appearance member, governor circuit, for realizing the noise reduction general part of decrease of noise functions；Institute
State noise reduction general part and include the general auricular concha of noise reduction and noise reduction universal circuit, the general auricular concha of described noise reduction and the detachable company of appearance member
Connecing, described noise reduction universal circuit is connected with governor circuit.
Further, the general auricular concha of described noise reduction is feed forward noise reduction, including auricular concha, loudspeaker and a Mike, described
Loudspeaker and Mike are separately fixed at the front-end and back-end within auricular concha.
Further, the general auricular concha of described noise reduction is feedback noise reduction, including auricular concha, loudspeaker and a Mike, institute
Stating loudspeaker and be fixed on auricular concha interior forward end, described Mike is fixed on auricular concha outer front end.
Further, the general auricular concha of described noise reduction is feedforward and feedback mixing noise reduction, including auricular concha, loudspeaker, two
Individual Mike, described loudspeaker are fixed on auricular concha interior forward end, and one of them Mike is fixed on auricular concha outer front end, and another Mike is solid
It is scheduled on auricular concha Internal back end.
Further, be sticked on the sound regulating hole of described auricular concha screen cloth.
Preferably, the general auricular concha of described noise reduction and appearance member clamping.
Compared with prior art, advantages of the present invention and good effect are: the shortening active noise reduction earphone exploitation of the present invention
The method in cycle and active noise reduction earphone, be fixed together selected Mike and loudspeaker with auricular concha, forms the general auricular concha of noise reduction,
And obtaining transmission function, design noise reduction universal circuit, the general auricular concha of noise reduction and noise reduction universal circuit constitute noise reduction general part, noise reduction
General part can be produced in batches, unified making, and concordance is high；During headset designs, noise reduction general part is directly used real
The decrease of noise functions of existing earphone, shortens the construction cycle of the earphone of band decrease of noise functions；And owing to noise reduction general part concordance is high,
Substantially increase concordance and the yields of earphone.
After reading in conjunction with the accompanying the detailed description of the invention of the present invention, the other features and advantages of the invention will become more clear
Chu.
Accompanying drawing explanation
Fig. 1 is the noise reduction general part design process of the method for shortening active noise reduction earphone construction cycle proposed by the invention
The flow chart of an embodiment；
Fig. 2 is an enforcement of the headset designs process of the method for shortening active noise reduction earphone construction cycle proposed by the invention
The flow chart of example；
Fig. 3 is the structural representation of an embodiment of active noise reduction earphone proposed by the invention；
Fig. 4 is the structural representation of an embodiment of noise reduction general part in Fig. 3；
Fig. 5 is the structural representation of another embodiment of noise reduction general part in Fig. 3；
Fig. 6 is the structural representation of another embodiment of noise reduction general part in Fig. 3.
Reference:
1, auricular concha；2, loudspeaker；3, Mike；4, Mike；5, Mike；6, Mike.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below with reference to drawings and Examples,
The present invention is described in further detail.
The method of the shortening active noise reduction earphone construction cycle of the present invention and active noise reduction earphone, by selected Mike and loudspeaker
Be fixed together with auricular concha, formed the general auricular concha of noise reduction, and obtain transmission function, design noise reduction universal circuit, formed noise reduction
General part；When designing a new earphone, it is only necessary to consider the factor such as outward appearance, function, by general for noise reduction auricular concha with do not affect
The appearance member of acoustical behavior and noise transfer function combines, and is integrated in governor circuit by noise reduction universal circuit, so that it may
To complete the design of active noise reduction function, form active noise reduction earphone, substantially reduce the construction cycle of active noise reduction earphone.
Below, in conjunction with Fig. 1 to Fig. 6, to shortening the method for active noise reduction earphone construction cycle and active noise reduction earphone
Concrete structure is described in detail.
The method of the shortening active noise reduction earphone construction cycle of the present embodiment mainly includes two processes: one is that noise reduction is general
Part design process, two is headset designs process.
Shown in Figure 1, noise reduction general part design process mainly comprises the steps.
Step S11: require to select Mike, loudspeaker according to noise reduction, Mike, loudspeaker are fixed on auricular concha.
Noise reduction require difference, Mike, loudspeaker model different with quantity.
If noise reduction requires to be feed forward noise reduction, then select loudspeaker 2 and a Mike 3, by loudspeaker 2 and Mike 3 difference
It is fixed on the front-end and back-end within auricular concha 1, shown in Figure 4.In the present embodiment, the sound penetrating hole diameter of Mike 3 on auricular concha 1
It is greater than 1mm, in order to pickup noise.
If noise reduction requires to be feedback noise reduction, then select loudspeaker 2 and a Mike 4, loudspeaker 2 are fixed on auricular concha 1
Interior forward end, is fixed on auricular concha 1 outer front end by Mike 4, shown in Figure 5；Mike 4 should try one's best loudspeaker 2, but loudspeaker 2
Vibrating diaphragm should not interfere when maximum displacement.
If noise reduction requirement is feedforward and feedback mixing noise reduction, then one loudspeaker 2 of selection and two Mikes: Mike 5, Mike
6, loudspeaker 2 are fixed on auricular concha 1 interior forward end, one of them Mike 5 is fixed on auricular concha 1 outer front end, another Mike 6 is solid
It is scheduled on auricular concha 1 Internal back end, shown in Figure 6；Mike 5 should try one's best loudspeaker 2, but the vibrating diaphragm of loudspeaker 2 is when maximum displacement
Should not interfere.
Auricular concha is used for isolating high-frequency signal, fixing Mike and loudspeaker, makes Mike fix relative to position with loudspeaker.
Step S12: adjust the operatic tunes that auricular concha is formed with Mike, loudspeaker.
By adjusting the sound regulating hole size on auricular concha and pasting the measures such as screen cloth on sound regulating hole and finely tune the operatic tunes so that sound
Learn curve and acoustical behavior reaches to set requirement.
By step S1 and S2, define the general auricular concha of noise reduction.The general auricular concha of noise reduction has three kinds: use feed forward noise reduction mode
The general auricular concha of noise reduction, use feedback noise reduction mode the general auricular concha of noise reduction, use feedforward and feedback mixing noise reduction mode fall
Make an uproar general auricular concha.
Step S13: obtain transmission function, according to transmission function design noise reduction universal circuit.
Noise reduction requires difference, needs the transmission function measured different.
Specifically, if noise reduction requires to use feed forward noise reduction mode for the general auricular concha of feed forward noise reduction, i.e. noise reduction, then obtain
Noise source is to Mike, noise source to artificial ear, the transmission function of loudspeaker to artificial ear；If noise reduction requires to be feedback noise reduction, i.e.
The general auricular concha of noise reduction uses feedback noise reduction mode, then obtain the loudspeaker transmission function to Mike；If noise reduction require for feedforward and
Feedback mixing the general auricular concha of noise reduction, i.e. noise reduction use feedforward and feedback mixing noise reduction mode, then obtain noise source to two Mike,
Noise source is to artificial ear, loudspeaker to artificial ear, the transmission function of loudspeaker to two Mike.
According to the transmission function design noise reduction universal circuit obtained, the selected each component parameter of circuit.Mike picks up outside
Environment noise, and environment noise is sent to noise reduction universal circuit；Noise reduction is by the circuit environment noise to receiving
Reason, output environment noise and anti-phase environment noise to loudspeaker, loudspeaker playback environment noise and anti-phase environment noise are original
Environment noise and anti-phase environment noise are cancelled out each other, and reach noise reduction purpose；Verify and adjust noise reduction universal circuit and each unit device
Part parameter, makes anti-acoustic capability reach requirement.
The general auricular concha of noise reduction and noise reduction universal circuit constitute noise reduction general part, and noise reduction general part can be mass, after being used for
Phase needs on the earphone of decrease of noise functions；Making owing to noise reduction general part is unified, concordance is high, substantially increases the concordance of earphone
And yields.
Noise reduction general part has three kinds: uses the noise reduction general part of feed forward noise reduction mode, use the fall of feedback noise reduction mode
General part, employing feedforward and the feedback of making an uproar mixes the noise reduction general part of noise reduction mode.
When designing a new earphone, only need to consider the factor such as outward appearance, other functions, active noise reduction function can be according to fall
The requirement of mode of making an uproar directly selects above-mentioned noise reduction general part to realize, and shortens the earphone construction cycle.Concrete headset designs
Process mainly comprises the steps, shown in Figure 2.
According to the earphone requirement to noise reduction mode, select suitable noise reduction general part.
Step S21: be connected detachable with appearance member for general for noise reduction auricular concha.
The general auricular concha of noise reduction of noise reduction general part and the appearance member not affecting acoustical behavior and transmission function are combined in one
Rise.Appearance member is that the requirement of earphone profile is designed by basis, and appearance member does not affect acoustical behavior and transmission function.
The general auricular concha of noise reduction is connected together with appearance member, it is simple to dismounting.Such as, the general auricular concha of noise reduction designs snap fit
Or draw-in groove, it is connected together with appearance member.
Step S22: noise reduction universal circuit is connected with governor circuit.
Being integrated in governor circuit by the noise reduction universal circuit of noise reduction general part, noise reduction universal circuit is used for realizing noise reduction merit
Can, governor circuit is for realizing basic function and other functions of earphone.
The method of the shortening active noise reduction earphone construction cycle of the present embodiment, fixes selected Mike and loudspeaker with auricular concha
Together, forming the general auricular concha of noise reduction, and obtain transmission function, design noise reduction universal circuit, the general auricular concha of noise reduction and noise reduction lead to
Constituting noise reduction general part with circuit, noise reduction general part can be produced in batches, unified making, and concordance is high；In headset designs process
In, directly use noise reduction general part to realize the decrease of noise functions of earphone, shorten the construction cycle of the earphone of band decrease of noise functions；And
And owing to noise reduction general part concordance is high, substantially increase concordance and the yields of earphone.
Based on said method, the present embodiment also proposed a kind of active noise reduction earphone, mainly includes appearance member, master control electricity
Road, noise reduction general part etc., shown in Figure 3.
Noise reduction general part is used for realizing decrease of noise functions, mainly includes the general auricular concha of noise reduction and noise reduction universal circuit.Noise reduction leads to
Being connected with auricular concha and appearance member are detachable, noise reduction universal circuit is connected with governor circuit.
The general auricular concha of noise reduction mainly includes that auricular concha and the Mike being fixed on auricular concha and loudspeaker, Mike and loudspeaker are respectively
Electrically connecting with noise reduction universal circuit, noise reduction universal circuit is connected with governor circuit.Mike picks up external environmental noise, and by environment
Noise sends to noise reduction universal circuit；The environment noise received is processed by circuit by noise reduction, output environment noise with
And anti-phase environment noise is to loudspeaker, loudspeaker playback environment noise and anti-phase environment noise, original ambient noise and anti-phase
Environment noise is cancelled out each other, and reaches noise reduction purpose.
According to actual design demand, select not affect acoustical behavior and the appearance member of transmission function, the general auricular concha of noise reduction with
The detachable connection of appearance member；Governor circuit, can be by noise reduction universal circuit for realizing basic function and other functions of earphone
It is integrated in governor circuit.
The general auricular concha of noise reduction is connected together with appearance member, it is simple to dismounting.Such as, the general auricular concha of noise reduction designs snap fit
Or draw-in groove, it is connected together with appearance member.
The noise reduction of earphone requires difference, and the noise reduction general part of selection is different.
If earphone requires feed forward noise reduction, then select to use the noise reduction general part of feed forward noise reduction mode, the general auricular concha of noise reduction
For feed forward noise reduction, the general auricular concha of noise reduction mainly includes that 1, loudspeaker 2 of auricular concha and a Mike 3, loudspeaker 2 and Mike 3 are solid respectively
It is scheduled on the front-end and back-end within auricular concha 1, shown in Figure 4；On auricular concha, the sound penetrating hole diameter of Mike is greater than 1mm, in order to
Pickup noise.
If earphone requires feedback noise reduction, then select to use the noise reduction general part of feedback noise reduction mode, the general auricular concha of noise reduction
For feedback noise reduction, the general auricular concha of noise reduction mainly includes 1, loudspeaker 2 of auricular concha and a Mike 4, and loudspeaker 2 are fixed in auricular concha 1
Front end, portion, Mike 4 is fixed on auricular concha 1 outer front end, shown in Figure 5；Mike 4 should try one's best loudspeaker 2, but the shaking of loudspeaker 2
Film should not interfere when maximum displacement.
If earphone requires feedforward and feedback mixing noise reduction, then select to use the noise reduction general part of feedback noise reduction mode, fall
General auricular concha of making an uproar is feedforward and feedback mixing noise reduction, and the general auricular concha of noise reduction mainly includes auricular concha 2, two Mikes of 1, loudspeaker,
Loudspeaker 2 are fixed on auricular concha 1 interior forward end, and one of them Mike 5 is fixed on auricular concha 1 outer front end, and another Mike 6 is fixed on ear
Shell 1 Internal back end, shown in Figure 6；Mike 5 should try one's best loudspeaker 2, but the vibrating diaphragm of loudspeaker 2 should not be sent out when maximum displacement
Raw interference.
Being provided with sound regulating hole on auricular concha, be sticked on sound regulating hole screen cloth, by adjusting sound regulating hole size and adjusting
Paste the measures such as screen cloth on sound hole and finely tune the operatic tunes so that acoustical curve and acoustical behavior reach to set requirement.
The active noise reduction earphone of the present embodiment, directly uses noise reduction general part to realize the decrease of noise functions of earphone, shortens
The construction cycle of the earphone with decrease of noise functions；And owing to noise reduction general part concordance is high, substantially increase the concordance of earphone
And yields.
Above example is only in order to illustrate technical scheme, rather than is limited；Although with reference to aforementioned reality
Execute example the present invention has been described in detail, for the person of ordinary skill of the art, still can be to aforementioned enforcement
Technical scheme described in example is modified, or wherein portion of techniques feature is carried out equivalent；And these are revised or replace
Change, do not make the essence of appropriate technical solution depart from the spirit and scope of claimed technical solution of the invention.
Claims (10)
1. the method shortening the active noise reduction earphone construction cycle, it is characterised in that: described method includes that noise reduction general part sets
Meter process and earphone design process；
Described noise reduction general part design process includes:
Require to select Mike, loudspeaker according to noise reduction, Mike, loudspeaker are fixed on auricular concha, and adjust auricular concha and Mike, tubaeform
The operatic tunes become, forms the general auricular concha of noise reduction；
Obtain transmission function, according to transmission function design noise reduction universal circuit；
Described headset designs process includes:
It is connected detachable with appearance member for general for noise reduction auricular concha；
Noise reduction universal circuit is connected with governor circuit.
The method of shortening active noise reduction earphone construction cycle the most according to claim 1, it is characterised in that: described basis
Noise reduction requires to select Mike, loudspeaker, Mike, loudspeaker is fixed on auricular concha, specifically includes:
If noise reduction requires to be feed forward noise reduction, then select loudspeaker and a Mike, loudspeaker and Mike are separately fixed at ear
Front-end and back-end within shell；
If noise reduction requires to be feedback noise reduction, then select loudspeaker and a Mike, loudspeaker be fixed on auricular concha interior forward end,
Mike is fixed on auricular concha outer front end；
If noise reduction requires to mix noise reduction for feedforward and feedback, then select loudspeaker and two Mikes, loudspeaker are fixed on ear
Shell interior forward end, is fixed on auricular concha outer front end by one of them Mike, and another Mike is fixed on auricular concha Internal back end.
The method of shortening active noise reduction earphone construction cycle the most according to claim 1, it is characterised in that: described adjustment ear
The operatic tunes that shell is formed with Mike, loudspeaker, specifically includes:
Adjust the sound regulating hole size on auricular concha and on sound regulating hole, paste screen cloth adjust the operatic tunes so that acoustical curve and acoustics
Can reach to set requirement.
The method of shortening active noise reduction earphone construction cycle the most according to claim 2, it is characterised in that: described acquisition passes
Delivery function, specifically includes:
If noise reduction requires to be feed forward noise reduction, then obtain noise source to Mike, noise source to artificial ear, the biography of loudspeaker to artificial ear
Delivery function；
If noise reduction requires to be feedback noise reduction, then obtain the loudspeaker transmission function to Mike；
If noise reduction requires to mix noise reduction for feedforward and feedback, then obtain noise source to two Mike, noise source to artificial ear, loudspeaker
To artificial ear, the transmission function of loudspeaker to two Mike.
5. an active noise reduction earphone, it is characterised in that: include appearance member, governor circuit, for realizing the noise reduction of decrease of noise functions
General part；
Described noise reduction general part includes the general auricular concha of noise reduction and noise reduction universal circuit, and the general auricular concha of described noise reduction is removable with appearance member
Formula of unloading connects, and described noise reduction universal circuit is connected with governor circuit.
Active noise reduction earphone the most according to claim 5, it is characterised in that: the general auricular concha of described noise reduction is feed forward noise reduction,
Including auricular concha, loudspeaker and a Mike, described loudspeaker and Mike are separately fixed at the front-end and back-end within auricular concha.
Active noise reduction earphone the most according to claim 5, it is characterised in that: the general auricular concha of described noise reduction is feedback noise reduction,
Including auricular concha, loudspeaker and a Mike, described loudspeaker are fixed on auricular concha interior forward end, and described Mike is fixed on outside auricular concha
Front end.
Active noise reduction earphone the most according to claim 5, it is characterised in that: the general auricular concha of described noise reduction is feedforward and feedback
Mixing noise reduction, including auricular concha, loudspeaker, two Mikes, described loudspeaker are fixed on auricular concha interior forward end, and one of them Mike is solid
Being scheduled on auricular concha outer front end, another Mike is fixed on auricular concha Internal back end.
9. according to the active noise reduction earphone according to any one of claim 6 to 8, it is characterised in that: in the tuning of described auricular concha
Be sticked on hole screen cloth.
Active noise reduction earphone the most according to claim 5, it is characterised in that: the general auricular concha of described noise reduction and appearance member card
Connect.
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| CN201610804410.0A CN106231470B (en) | 2016-09-06 | 2016-09-06 | A kind of method and active noise reduction earphone shortening the active noise reduction earphone development cycle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377436A (en) * | 2018-01-24 | 2018-08-07 | 歌尔科技有限公司 | A kind of method, apparatus and active noise reduction earphone adjusting active noise reduction earphone gain |
| CN110972014A (en) * | 2019-12-11 | 2020-04-07 | 歌尔智能科技有限公司 | Parameter adjustment method and device for active noise reduction earphone and wireless earphone |
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| JP2007300616A (en) * | 2006-04-24 | 2007-11-15 | Bose Corp | Active noise reduction microphone placing |
| CN102413403A (en) * | 2010-09-03 | 2012-04-11 | Nxp股份有限公司 | Noise reduction circuit and method therefor |
| CN202261773U (en) * | 2011-09-10 | 2012-05-30 | 歌尔声学股份有限公司 | Noise-removing system, intelligent control device and communication equipment |
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2016
- 2016-09-06 CN CN201610804410.0A patent/CN106231470B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007300616A (en) * | 2006-04-24 | 2007-11-15 | Bose Corp | Active noise reduction microphone placing |
| CN102413403A (en) * | 2010-09-03 | 2012-04-11 | Nxp股份有限公司 | Noise reduction circuit and method therefor |
| CN202261773U (en) * | 2011-09-10 | 2012-05-30 | 歌尔声学股份有限公司 | Noise-removing system, intelligent control device and communication equipment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377436A (en) * | 2018-01-24 | 2018-08-07 | 歌尔科技有限公司 | A kind of method, apparatus and active noise reduction earphone adjusting active noise reduction earphone gain |
| CN110972014A (en) * | 2019-12-11 | 2020-04-07 | 歌尔智能科技有限公司 | Parameter adjustment method and device for active noise reduction earphone and wireless earphone |
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| Publication number | Publication date |
|---|---|
| CN106231470B (en) | 2019-09-27 |
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