CN110418233A - A kind of earphone noise-reduction method, device, earphone and readable storage medium storing program for executing - Google Patents
A kind of earphone noise-reduction method, device, earphone and readable storage medium storing program for executing Download PDFInfo
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- CN110418233A CN110418233A CN201910684219.0A CN201910684219A CN110418233A CN 110418233 A CN110418233 A CN 110418233A CN 201910684219 A CN201910684219 A CN 201910684219A CN 110418233 A CN110418233 A CN 110418233A
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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
- H04R1/1041—Mechanical or electronic switches, or control elements
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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
- H04R2410/03—Reduction of intrinsic noise in 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
- H04R2420/00—Details of connection covered by H04R, not provided for in its groups
- H04R2420/03—Connection circuits to selectively connect loudspeakers or headphones to amplifiers
Abstract
The invention discloses a kind of earphone noise-reduction method, device, earphone and computer readable storage medium, the voice signal including picking up according to feedforward microphone obtains first Mike's wind power signal, and voice signal includes noise signal and speaker sound signal；First Mike's wind power signal is filtered according to loudspeaker front end electric signal, obtains the second microphone electric signal for filtering out speaker sound signal；Corresponding noise suppressed voice signal is issued according to second microphone electric signal control loudspeaker, to offset for noise signal.The present invention is filtered first Mike's wind power signal according to loudspeaker front end electric signal, by electric signal partial filtration corresponding with speaker sound signal in first Mike's wind power signal, obtain the second microphone electric signal for retaining noise signal, loudspeaker, which are controlled, according to second microphone electric signal plays corresponding noise suppressed voice signal, the feedback loop in feed forward noise reduction can be destroyed in use, improve the noise reduction effect and sound quality of earphone.
Description
Technical field
The present embodiments relate to ear speaker device technical fields, more particularly to a kind of earphone noise-reduction method, device, earphone
And computer readable storage medium.
Background technique
Feedforward microphone (FFMIC) setting is sent out with the ambient noise outside reception by Dolby circuit H in earphone outer covering
Loudspeaker are given, so that loudspeaker SPK is issued one and the voice signal of noise signal equivalence reverse phase, is offset with former noise signal,
Specifically please refer to Fig. 1 and Fig. 2.
Wherein, P is acoustical passage transmission function of the feedforward microphone at human ear in Fig. 2, and G is loudspeaker acoustics at human ear
The transmission function in channel, H are noise filter response, and d is the noise penetrated at human ear, and c is control signal, and e is d and c folded
Residual noise after adding.
Theoretically, there is only feedforward path in feed forward noise reduction, no feedback network occurs.But in actual design, due to
When feedforward microphone is poorly sealed, the sound that loudspeaker issue can be passed to feedforward microphone, generate feedback network, such as
Shown in Fig. 3 dotted line.The sound for feeding back to feedforward Mike is sent to loudspeaker through feedforward filter again, may produce on certain frequency points
Raw positive superposition such as causes system to be uttered long and high-pitched sounds, resonates at the wild effects.In addition, loudspeaker play sound due to the presence of feedback loop
Also it can be fed back to system when happy, destruction is generated to sound quality.
Usually above situation is avoided to occur, may require that feedforward microphone strictly seals when designing earphone, while as far as possible
Loudspeaker back cavity is separated with feedforward microphone, to reduce the generation of feedback network, this scheme compares in the products such as earmuff
It is easy to accomplish, but in the In-Ear Headphones product such as earplug, since space is smaller, make the dispensing seal operation of feedforward microphone
Extremely difficult, dispensing is not in place to be easy to appear tiny gap, and low frequency sealing is poor, easily forms feedback loop in low-frequency range,
Moreover, giving horn designs independent cavity without enough spaces, it is isolated with feedforward microphone.
Therefore, how to improve the noise reduction effect of earphone, ensure that earphone sound quality becomes what those skilled in the art needed to solve
Problem.
Summary of the invention
The purpose of the embodiment of the present invention is that providing a kind of earphone noise-reduction method, device, earphone and computer-readable storage medium
Matter can destroy the feedback loop in feed forward noise reduction in use, more particularly to improve the noise reduction effect of In-Ear Headphones
And acoustical quality.
In order to solve the above technical problems, the embodiment of the invention provides a kind of earphone noise-reduction methods, comprising:
The voice signal picked up according to feedforward microphone obtains first Mike's wind power signal, and the voice signal includes making an uproar
Acoustical signal and speaker sound signal；
The first Mike wind power signal is filtered according to loudspeaker front end electric signal, obtains filtering out the loudspeaker
The second microphone electric signal of voice signal；
Control the loudspeaker according to the second microphone electric signal and issue corresponding noise suppressed voice signal, with for
The noise signal is offset.
Optionally, described that the first Mike wind power signal is filtered according to loudspeaker front end electric signal, it obtains
Filter out the process of the second microphone electric signal of the speaker sound signal are as follows:
Loudspeaker front end electric signal is analyzed using sef-adapting filter, is determined and the sef-adapting filter
The corresponding target reference signal of minimum error signal；
The target reference signal is filtered out from the first Mike wind power signal, obtains filtering out the speaker sound signal
Second microphone electric signal.
Optionally, loudspeaker front end electric signal includes that noise suppressed electric signal and audio play electric signal.
Optionally, described to control the corresponding noise suppressed sound of the loudspeaker sending according to the second microphone electric signal
The process of signal are as follows:
New noise suppressed electric signal is generated according to the second microphone electric signal；
The loudspeaker, which are controlled, according to the new noise suppressed electric signal issues corresponding noise suppressed voice signal；
The noise suppressed electric signal in the electric signal of the loudspeaker front end is carried out using the new noise suppressed electric signal
It updates.
Optionally, the audio plays electric signal and includes audio electrical signal corresponding with audio file and/or lead to voice
Talk about corresponding voice telecommunication number.
The embodiment of the present invention has also correspondingly provided a kind of noise reduction device of earphone, comprising:
Module is obtained, the voice signal for picking up according to feedforward microphone obtains first Mike's wind power signal, described
Voice signal includes noise signal and speaker sound signal；
Processing module is obtained for being filtered according to loudspeaker front end electric signal to the first Mike wind power signal
To the second microphone electric signal for filtering out the speaker sound signal；
Noise reduction module issues corresponding noise suppressed sound for controlling the loudspeaker according to the second microphone electric signal
Sound signal, to be offset for the noise signal.
Optionally, the processing module includes:
Analysis module is determined and institute for being analyzed loudspeaker front end electric signal using sef-adapting filter
State the corresponding target reference signal of minimum error signal of sef-adapting filter；
Module is filtered out, for filtering out the target reference signal from the first Mike wind power signal, obtains filtering out institute
State the second microphone electric signal of speaker sound signal.
The embodiment of the invention also provides a kind of earphone, including feedforward microphone, loudspeaker, memory and filter processor,
Wherein:
The memory, for storing computer program；
The filter processor realizes the step of earphone noise-reduction method as described above when for executing the computer program
Suddenly.
Optionally, the filter processor includes sef-adapting filter.
The embodiment of the invention also provides a kind of computer readable storage medium, deposited on the computer readable storage medium
Computer program is contained, the computer program realizes earphone noise-reduction method as described above when being executed by processor the step of.
The embodiment of the invention provides a kind of earphone noise-reduction method, device, earphone and computer readable storage medium, the party
Method is filtered first Mike's wind power signal that feedforward microphone obtains according to loudspeaker front end electric signal, by the first Mike
Electric signal partial filtration corresponding with speaker sound signal in wind power signal obtains the second microphone telecommunications for retaining noise signal
Number, and loudspeaker are controlled according to the second microphone electric signal and play corresponding noise suppressed voice signal, the application was using
The feedback loop in feed forward noise reduction can be destroyed in journey, more particularly to improve the noise reduction effect and acoustical quality of In-Ear Headphones.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is a kind of existing feed forward noise reduction schematic diagram；
Fig. 2 is a kind of existing feed forward noise reduction schematic diagram；
Fig. 3 is that existing a kind of there are the feed forward noise reduction structure charts of feedback network；
Fig. 4 is a kind of flow diagram of earphone noise-reduction method provided in an embodiment of the present invention；
Fig. 5 is a kind of feed forward noise reduction structure chart equipped with sef-adapting filter provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of noise reduction device of earphone provided in an embodiment of the present invention.
Specific embodiment
The embodiment of the invention provides a kind of earphone noise-reduction method, device, earphone and computer readable storage mediums, make
With the feedback loop that can be destroyed in feed forward noise reduction in the process, imitated more particularly to improve noise reduction effect and the sound quality of In-Ear Headphones
Fruit.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to figure 4., Fig. 4 is a kind of flow diagram of earphone noise-reduction method provided in an embodiment of the present invention.This method
Include:
S110: the voice signal picked up according to feedforward microphone obtains first Mike's wind power signal, and voice signal includes
Noise signal and speaker sound signal；
It should be noted that due to, feedforward microphone dispensing small for In-Ear Headphones (such as TWS earphone) inner space
Can be not in place, lead to the poorly sealed lattice of feedforward microphone, and can not be isolated between feedforward microphone and loudspeaker, so in ear
The voice signal that feedforward microphone picks up in machine use process includes two parts, and a part is the noise signal in environment, separately
A part is that the voice signal that loudspeaker play feeds back to the speaker sound signal in feedforward microphone.It is picked up according to feedforward microphone
To voice signal can further obtain first corresponding Mike's wind power signal.
S120: first Mike's wind power signal is filtered according to loudspeaker front end electric signal, obtains filtering out tucket
The second microphone electric signal of sound signal；
Specifically, since loudspeaker are to issue corresponding voice signal according to loudspeaker front end electric signal, so obtaining
To after the first microphone signal, the first microphone signal can be filtered according to loudspeaker front end electric signal, by first
Speaker sound signal section in microphone signal filters out, to obtain the second microphone electric signal of remainder.
S130: corresponding noise suppressed voice signal is issued according to second microphone electric signal control loudspeaker, for making an uproar
Acoustical signal is offset.
Specifically, after obtaining filtering out the second microphone electric signal of speaker sound signal, according to second microphone electricity
Signal controls loudspeaker and issues corresponding noise suppressed voice signal, so as to using the noise suppressed voice signal to noise signal into
Row is offset, wherein the speaker sound of feedforward microphone is fed back to due to having filtered out in the second microphone electric signal in the application
Signal, so can be to a certain extent according to the noise suppressed voice signal that the second microphone electric signal controls loudspeaker sending
The system of avoiding the occurrence of is uttered long and high-pitched sounds, resonates etc. unstable, destroys feedback loop, so that noise reduction effect is improved, it is especially right
In the earphone of small size, when feedforward microphone and loudspeaker can not be isolated, the noise reduction effect of earphone can be improved, and
And when earphone plays music, sound quality also can be improved.
Further, first Mike's wind power signal is filtered according to loudspeaker front end electric signal in above-mentioned S120,
The process for obtaining filtering out the second microphone electric signal of speaker sound signal, is specifically as follows:
Loudspeaker electric signal is analyzed using sef-adapting filter, determines to believe with the minimal error of sef-adapting filter
Number corresponding target reference signal；
Target reference signal is filtered out from first Mike's wind power signal, obtains the second microphone for filtering out speaker sound signal
Electric signal.
It should be noted that the loudspeaker that the loudspeaker front end electric signal and feedforward microphone due to being input to loudspeaker pick up are believed
There is some difference between number, so in order to improve processing accuracy, it can be using sef-adapting filter to loudspeaker in the application
Front end electric signal is analyzed.Specifically, as shown in figure 5, first Mike's wind power signal be n+s, wherein n indicate and noise signal
Corresponding electric signal, s indicate that electric signal corresponding with the speaker sound signal that front end microphone receives, x are to export to loudspeaker
Signal namely loudspeaker front end electric signal, y be sef-adapting filter output electric signal, wherein can be by loudspeaker front end telecommunications
Then number x analyzes the initial reference signal, as initial reference signal when the error signal e of sef-adapting filter reaches
When to minimum, output signal y at this time is determined, using output signal y as target reference signal.It also will be with adaptive filter
The corresponding output signal of the minimum error signal of wave device is as target reference signal, when error signal e minimum, sef-adapting filter
Output signal y and the speaker sound signal s in the first microphone signal it is closest, it is possible to will sef-adapting filter at this time
Output signal y as target reference signal (namely speaker sound signal as incoming feedforward microphone), and from the first wheat
The target reference signal is filtered out in gram wind power signal, so as to obtain filtering out the second microphone telecommunications of speaker sound signal
Number, so that remaining electric signal part is closer to the corresponding electric signal of noise signal in the second microphone electric signal, into one
Step reduction system such as utters long and high-pitched sounds, resonate at the unstable the occurrence of, raising noise reduction effect and earphone sound quality.
Further, when being conversed using earphone as user or played music, which may include
Two parts, a part are noise suppressed electric signal, and another part is that audio plays electric signal, so that loudspeaker are according to noise suppressed electricity
Signal issues noise suppressed voice signal, and to offset noise signal, loudspeaker play electric signal according to audio and issue corresponding sound
Signal, the voice signal can be music or voice.That is, the audio playback signal in the present embodiment may include and audio
The corresponding audio electrical signal of file and/or voice telecommunication number corresponding with voice communication, can specifically carry out according to the actual situation
It determines, the present embodiment does not do particular determination.
Specifically, when loudspeaker front end electric signal includes noise suppressed electric signal and audio plays electric signal two parts, on
The process for issuing corresponding noise suppressed voice signal according to second microphone electric signal control loudspeaker is stated, is specifically as follows:
New noise suppressed electric signal is generated according to second microphone electric signal；
Corresponding noise suppressed voice signal is issued according to new noise suppressed electric signal control loudspeaker；
The noise suppressed electric signal in the electric signal of loudspeaker front end is updated using new noise suppressed electric signal.
It should be noted that due to having filtered out telecommunications corresponding with speaker sound signal in second microphone electric signal
Number part, it is possible to new noise suppressed electric signal is generated according to second microphone electric signal, and using new noise suppression
Electric signal processed is updated the noise suppressed electric signal in the electric signal of loudspeaker front end, then according to the new noise suppressed telecommunications
Number control loudspeaker issue corresponding noise suppressed voice signal, to offset to noise signal.Loudspeaker are controlled subsequent
When processed, the noise suppressed electric signal in the electric signal of loudspeaker front end is constantly updated, certainly when audio file changes, it is also desirable to
The corresponding audio that updates plays electric signal, which is the prior art, and the application repeats no more this.
The embodiment of the invention provides a kind of earphone noise-reduction methods, and this method is according to loudspeaker front end electric signal to feedforward Mike
First Mike's wind power signal that wind obtains is filtered, will be corresponding with speaker sound signal in first Mike's wind power signal
Electric signal partial filtration obtains the second microphone electric signal for retaining noise signal, and according to the second microphone electric signal control
Loudspeaker processed play corresponding noise suppressed voice signal, and the application can destroy feeding back in feed forward noise reduction in use
Road, more particularly to improve the noise reduction effect and acoustical quality of In-Ear Headphones.
On the basis of the above embodiments, the embodiment of the present invention has also correspondingly provided a kind of noise reduction device of earphone, specifically
Fig. 6 is please referred to, which includes:
Module 21 is obtained, the voice signal for picking up according to feedforward microphone obtains first Mike's wind power signal, sound
Sound signal includes noise signal and speaker sound signal；
Processing module 22 is obtained for being filtered according to loudspeaker front end electric signal to first Mike's wind power signal
Filter out the second microphone electric signal of speaker sound signal；
Noise reduction module 23, for issuing corresponding noise suppressed sound letter according to second microphone electric signal control loudspeaker
Number, to be offset for noise signal.
Further, processing module 22 includes:
Analysis module is determined and adaptive-filtering for being analyzed loudspeaker electric signal using sef-adapting filter
The corresponding target reference signal of the minimum error signal of device；
Module is filtered out, for filtering out target reference signal from first Mike's wind power signal, obtains filtering out tucket message
Number second microphone electric signal.
It should be noted that noise reduction device of earphone provided in the present embodiment have with provided in above-described embodiment
The identical beneficial effect of earphone noise-reduction method, and the specific introduction to earphone noise-reduction method involved in this present embodiment
Above-described embodiment is please referred to, the application repeats no more this.
On the basis of the above embodiments, the embodiment of the invention also provides a kind of earphones, including feedforward microphone, loudspeaker
, memory and filter processor, in which:
Memory, for storing computer program；
Filter processor is realized when for executing computer program such as the step of above-mentioned earphone noise-reduction method.
Further, filter processor includes sef-adapting filter, certainly further includes feedforward filter (namely noise reduction filtering
Device).
Specifically, feedforward filter is according to the target reference signal after sef-adapting filter exports target reference signal
First Mike's wind power signal of feedforward microphone output is handled, obtains second microphone electric signal, and according to this second
Mike's wind power signal controls loudspeaker and issues corresponding noise suppressed voice signal.
On the basis of the above embodiments, the embodiment of the invention also provides a kind of computer readable storage mediums, calculate
It is stored with computer program on machine readable storage medium storing program for executing, such as above-mentioned earphone noise reduction side is realized when computer program is executed by processor
The step of method.
The computer readable storage medium may include: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
It should also be noted that, in the present specification, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of earphone noise-reduction method characterized by comprising
The voice signal picked up according to feedforward microphone obtains first Mike's wind power signal, and the voice signal includes noise letter
Number and speaker sound signal；
The first Mike wind power signal is filtered according to loudspeaker front end electric signal, obtains filtering out the speaker sound
The second microphone electric signal of signal；
The loudspeaker are controlled according to the second microphone electric signal and issue corresponding noise suppressed voice signal, for described
Noise signal is offset.
2. earphone noise-reduction method according to claim 1, which is characterized in that the foundation loudspeaker front end electric signal is to described
First Mike's wind power signal is filtered, and obtains the process for filtering out the second microphone electric signal of the speaker sound signal
Are as follows:
Loudspeaker front end electric signal is analyzed using sef-adapting filter, is determined with the sef-adapting filter most
The corresponding target reference signal of small error signal；
The target reference signal is filtered out from the first Mike wind power signal, obtains filter out the speaker sound signal
Two Mike's wind power signals.
3. earphone noise-reduction method according to claim 2, which is characterized in that loudspeaker front end electric signal includes noise suppression
Electric signal processed and audio play electric signal.
4. earphone noise-reduction method according to claim 3, which is characterized in that described according to the second microphone electric signal
Control the process that the loudspeaker issue corresponding noise suppressed voice signal are as follows:
New noise suppressed electric signal is generated according to the second microphone electric signal；
The loudspeaker, which are controlled, according to the new noise suppressed electric signal issues corresponding noise suppressed voice signal；
The noise suppressed electric signal in the electric signal of the loudspeaker front end is updated using the new noise suppressed electric signal.
5. earphone noise-reduction method according to claim 3, which is characterized in that the audio plays electric signal and includes and audio
The corresponding audio electrical signal of file and/or voice telecommunication number corresponding with voice communication.
6. a kind of noise reduction device of earphone characterized by comprising
Module is obtained, the voice signal for picking up according to feedforward microphone obtains first Mike's wind power signal, the sound
Signal includes noise signal and speaker sound signal；
Processing module is filtered for being filtered according to loudspeaker front end electric signal to the first Mike wind power signal
Except the second microphone electric signal of the speaker sound signal；
Noise reduction module issues corresponding noise suppressed sound letter for controlling the loudspeaker according to the second microphone electric signal
Number, to be offset for the noise signal.
7. noise reduction device of earphone according to claim 6, which is characterized in that the processing module includes:
Analysis module, for being analyzed loudspeaker front end electric signal using sef-adapting filter, determine with it is described from
The corresponding target reference signal of the minimum error signal of adaptive filter；
Module is filtered out, for filtering out the target reference signal from the first Mike wind power signal, obtains filtering out the loudspeaker
The second microphone electric signal of voice signal.
8. a kind of earphone, which is characterized in that including feedforward microphone, loudspeaker, memory and filter processor, in which:
The memory, for storing computer program；
The filter processor realizes the earphone as described in claim 1 to 5 any one when for executing the computer program
The step of noise-reduction method.
9. earphone according to claim 8, which is characterized in that the filter processor includes sef-adapting filter.
10. a kind of computer readable storage medium, which is characterized in that be stored with computer on the computer readable storage medium
Program, realizing the earphone noise-reduction method as described in claim 1 to 5 any one when the computer program is executed by processor
Step.
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| CN201910684219.0A CN110418233A (en) | 2019-07-26 | 2019-07-26 | A kind of earphone noise-reduction method, device, earphone and readable storage medium storing program for executing |
| PCT/CN2019/108289 WO2021017136A1 (en) | 2019-07-26 | 2019-09-26 | Noise reduction method and device for earphone, earphone, and readable storage medium |
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| CN201910684219.0A CN110418233A (en) | 2019-07-26 | 2019-07-26 | A kind of earphone noise-reduction method, device, earphone and readable storage medium storing program for executing |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110996203A (en) * | 2019-11-28 | 2020-04-10 | 歌尔智能科技有限公司 | Earphone noise reduction method, device and system and wireless earphone |
| CN111182402A (en) * | 2019-12-31 | 2020-05-19 | 歌尔科技有限公司 | Noise reduction processing method for earphone, earphone and computer readable storage medium |
| CN112785998A (en) * | 2020-12-29 | 2021-05-11 | 展讯通信（上海）有限公司 | Signal processing method, equipment and device |
| CN112954530A (en) * | 2021-02-26 | 2021-06-11 | 歌尔科技有限公司 | Earphone noise reduction method, device and system and wireless earphone |
| CN114071306A (en) * | 2021-11-29 | 2022-02-18 | 歌尔科技有限公司 | Noise reduction earphone audio processing method, noise reduction earphone, device and readable storage medium |
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| CN102413403A (en) * | 2010-09-03 | 2012-04-11 | Nxp股份有限公司 | Noise reduction circuit and method therefor |
| CN106898359A (en) * | 2017-03-24 | 2017-06-27 | 上海智臻智能网络科技股份有限公司 | Acoustic signal processing method, system, audio interactive device and computer equipment |
| CN108419175A (en) * | 2018-01-31 | 2018-08-17 | 深圳市天微电子股份有限公司 | Active noise reduction circuit and earphone |
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| CN110996203A (en) * | 2019-11-28 | 2020-04-10 | 歌尔智能科技有限公司 | Earphone noise reduction method, device and system and wireless earphone |
| CN111182402A (en) * | 2019-12-31 | 2020-05-19 | 歌尔科技有限公司 | Noise reduction processing method for earphone, earphone and computer readable storage medium |
| CN112785998A (en) * | 2020-12-29 | 2021-05-11 | 展讯通信（上海）有限公司 | Signal processing method, equipment and device |
| CN112785998B (en) * | 2020-12-29 | 2022-11-15 | 展讯通信（上海）有限公司 | Signal processing method, equipment and device |
| CN112954530A (en) * | 2021-02-26 | 2021-06-11 | 歌尔科技有限公司 | Earphone noise reduction method, device and system and wireless earphone |
| CN114071306A (en) * | 2021-11-29 | 2022-02-18 | 歌尔科技有限公司 | Noise reduction earphone audio processing method, noise reduction earphone, device and readable storage medium |
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