CN105338452B - The method and its electric terminal of noise reduction are realized in electric terminal - Google Patents
The method and its electric terminal of noise reduction are realized in electric terminal Download PDFInfo
- Publication number
- CN105338452B CN105338452B CN201510889889.8A CN201510889889A CN105338452B CN 105338452 B CN105338452 B CN 105338452B CN 201510889889 A CN201510889889 A CN 201510889889A CN 105338452 B CN105338452 B CN 105338452B
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- earphone
- unit
- electric terminal
- ambient noise
- noising signal
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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
- H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
Abstract
There is provided a kind of method and its electric terminal that noise reduction is realized in electric terminal, wherein electric terminal is connected with earphone, which comprises ambient noise is acquired by the microphone of electric terminal；Generate the terminal de-noising signal for offsetting the ambient noise；The terminal de-noising signal is exported by electric terminal and/or the earphone according to the type of the earphone.According to the method and its electric terminal, noise reduction can be realized based on the microphone of electric terminal ambient noise collected.
Description
Technical field
All things considered of the present invention is related to electric terminal field, more particularly, is related to one kind and realizes drop in electric terminal
The electric terminal of the method and application this method made an uproar.
Background technique
Under the biggish environment of ambient noise (for example, road, subway, bar), user is by using with active noise reduction
The bi-telephone (that is, earphone with both left ear unit and auris dextra unit) of function, still is able to clearly hear electric terminal
Music, the dialog context etc. exported by earphone.However, the earphone with active noise reduction function is generally more expensive, and
Earphone common at present, that is, allow to realize noise reduction by electric terminal, noise reduction effect is also undesirable；Also, have actively
The single head-receiver (that is, the only earphone with left ear unit or auris dextra unit) of decrease of noise functions is also unable to reach ideal ears noise reduction
Effect.
Summary of the invention
Exemplary embodiment of the present invention is to provide a kind of method that noise reduction is realized in electric terminal and application should
The electric terminal of method can realize noise reduction based on the microphone of electric terminal ambient noise collected.
An exemplary embodiment of the present invention provides a kind of method that noise reduction is realized in electric terminal, wherein electronics
Terminal is connected with earphone, which comprises acquires ambient noise by the microphone of electric terminal；It generates for offsetting
State the terminal de-noising signal of ambient noise；Passed through described in electric terminal and/or earphone output according to the type of the earphone
Terminal de-noising signal.
Optionally, in the case where detecting ear of the electric terminal close to user, pass through Mike's elegance of electric terminal
Collect ambient noise, wherein pass through the one of the close electric terminal of electric terminal and/or the earphone according to the type of the earphone
Side headphone unit exports the terminal de-noising signal.
Optionally, the earphone has both left ear unit and auris dextra unit, wherein passes through the close electronics of the earphone
The side headphone unit of terminal exports the terminal de-noising signal.
Optionally, the earphone does not have microphone, the method also includes: it is generated based on the ambient noise for supporting
The opposite side de-noising signal of the ambient noise to disappear near the other side headphone unit of the earphone；Pass through the other side headphone unit
Export the opposite side de-noising signal.
Optionally, the earphone is being equipped with unilateral microphone at the headphone unit of side, wherein is detecting electronics end
In the case where the side headphone unit far from unilateral microphone for holding the close earphone, generate for offsetting the ambient noise
Terminal de-noising signal.
Optionally, the method also includes: detecting electric terminal close to the earphone close to unilateral microphone
In the case where the headphone unit of side, the ambient noise based on the ambient noise and unilateral microphone acquisition is generated for offsetting
State the terminal de-noising signal of the ambient noise near the headphone unit of side.
Optionally, the method also includes: detecting electric terminal close to the earphone close to unilateral microphone
In the case where the headphone unit of side, the ambient noise based on the ambient noise and unilateral microphone acquisition is generated for offsetting
State the opposite side de-noising signal of the ambient noise near the other side headphone unit of earphone；It is exported by the other side headphone unit
The opposite side de-noising signal.
Optionally, the earphone has both left ear unit and auris dextra unit, and sets at the headphone unit of side
There is unilateral microphone, the method also includes: in the case where detecting ear of the electric terminal without close user, based on single
The ambient noise of side microphone acquisition is generated for offsetting the ambient noise near the side headphone unit far from unilateral microphone
Opposite side de-noising signal, wherein pass through the side headphone unit and export the opposite side de-noising signal.
Optionally, the earphone has unilateral headphone unit, wherein exports the terminal by the earpiece of electric terminal and drops
Noise cancellation signal.
Optionally, the earphone does not have microphone, the method also includes: it is generated based on the ambient noise for supporting
The opposite side de-noising signal of the ambient noise to disappear near the unilateral headphone unit of the earphone；Pass through the unilateral earphone list of the earphone
Member exports the opposite side de-noising signal.
In accordance with an alternative illustrative embodiment of the present invention, a kind of electric terminal for realizing noise reduction is provided, wherein electric terminal
It is connected with earphone, the electric terminal includes: Noise Acquisition unit, acquires ambient noise；De-noising signal generation unit generates
For offsetting the terminal de-noising signal of the ambient noise；Output control unit, it is whole according to the Type Control electronics of the earphone
End and/or the earphone export the terminal de-noising signal.
Optionally, the electric terminal further include: acquisition control unit is detecting ear of the electric terminal close to user
In the case where, control Noise Acquisition unit acquires ambient noise, wherein output control unit is according to the Type Control of the earphone
The side headphone unit of the close electric terminal of electric terminal and/or the earphone exports the terminal de-noising signal.
Optionally, the earphone has both left ear unit and auris dextra unit, wherein output control unit controls the ear
The side headphone unit of the close electric terminal of machine exports the terminal de-noising signal.
Optionally, the earphone does not have microphone, wherein it is raw that de-noising signal generation unit is also based on the ambient noise
At the opposite side de-noising signal of the ambient noise near the other side headphone unit for offsetting the earphone, output control unit is also
It controls the other side headphone unit and exports the opposite side de-noising signal.
Optionally, the earphone is being equipped with unilateral microphone at the headphone unit of side, wherein de-noising signal generates single
In the case where detecting side headphone unit far from unilateral microphone of the electric terminal close to the earphone, generation is used for member
Offset the terminal de-noising signal of the ambient noise.
Optionally, de-noising signal generation unit is detecting electric terminal close to the earphone close to unilateral microphone
In the case where the headphone unit of side, the ambient noise based on the ambient noise and unilateral microphone acquisition is generated for offsetting
State the terminal de-noising signal of the ambient noise near the headphone unit of side.
Optionally, de-noising signal generation unit is also detecting electric terminal close to the earphone close to unilateral microphone
Side headphone unit in the case where, the ambient noise based on the ambient noise and the acquisition of unilateral microphone is generated for offsetting
The opposite side de-noising signal of ambient noise near the other side headphone unit of the earphone, output control unit also control described another
Side headphone unit exports the opposite side de-noising signal.
Optionally, the earphone has both left ear unit and auris dextra unit, and sets at the headphone unit of side
Have unilateral microphone, wherein de-noising signal generation unit detect electric terminal without close to user ear in the case where,
Ambient noise based on the acquisition of unilateral microphone is generated for offsetting the ring near the side headphone unit far from unilateral microphone
The opposite side de-noising signal of border noise, output control unit control the side headphone unit and export the opposite side de-noising signal.
Optionally, the earphone has unilateral headphone unit, wherein the earpiece that output control unit controls electric terminal is defeated
The terminal de-noising signal out.
Optionally, the earphone does not have microphone, wherein it is raw that de-noising signal generation unit is also based on the ambient noise
At the opposite side de-noising signal of the ambient noise near the unilateral headphone unit for offsetting the earphone；Output control unit is also controlled
The unilateral headphone unit for making the earphone exports the opposite side de-noising signal.
In accordance with an alternative illustrative embodiment of the present invention, a kind of device for realizing noise reduction in electric terminal is provided, wherein
Electric terminal is connected with earphone, and described device includes: Noise Acquisition unit, acquires ambient noise；De-noising signal generation unit,
Generate the terminal de-noising signal for offsetting the ambient noise；Output control unit, according to the Type Control of earphone electricity
Sub- terminal and/or the earphone export the terminal de-noising signal.
Optionally, described device further include: acquisition control unit is detecting electric terminal close to the feelings of the ear of user
Under condition, control Noise Acquisition unit acquires ambient noise, wherein output control unit is according to the Type Control electronics of the earphone
The side headphone unit of the close electric terminal of terminal and/or the earphone exports the terminal de-noising signal.
Optionally, the earphone has both left ear unit and auris dextra unit, wherein output control unit controls the ear
The side headphone unit of the close electric terminal of machine exports the terminal de-noising signal.
Optionally, the earphone does not have microphone, wherein it is raw that de-noising signal generation unit is also based on the ambient noise
At the opposite side de-noising signal of the ambient noise near the other side headphone unit for offsetting the earphone, output control unit is also
It controls the other side headphone unit and exports the opposite side de-noising signal.
Optionally, the earphone is being equipped with unilateral microphone at the headphone unit of side, wherein de-noising signal generates single
In the case where detecting side headphone unit far from unilateral microphone of the electric terminal close to the earphone, generation is used for member
Offset the terminal de-noising signal of the ambient noise.
Optionally, de-noising signal generation unit is detecting electric terminal close to the earphone close to unilateral microphone
In the case where the headphone unit of side, the ambient noise based on the ambient noise and unilateral microphone acquisition is generated for offsetting
State the terminal de-noising signal of the ambient noise near the headphone unit of side.
Optionally, de-noising signal generation unit is also detecting electric terminal close to the earphone close to unilateral microphone
Side headphone unit in the case where, the ambient noise based on the ambient noise and the acquisition of unilateral microphone is generated for offsetting
The opposite side de-noising signal of ambient noise near the other side headphone unit of the earphone, output control unit also control described another
Side headphone unit exports the opposite side de-noising signal.
Optionally, the earphone has both left ear unit and auris dextra unit, and sets at the headphone unit of side
Have unilateral microphone, wherein de-noising signal generation unit detect electric terminal without close to user ear in the case where,
Ambient noise based on the acquisition of unilateral microphone is generated for offsetting the ring near the side headphone unit far from unilateral microphone
The opposite side de-noising signal of border noise, output control unit control the side headphone unit and export the opposite side de-noising signal.
Optionally, the earphone has unilateral headphone unit, wherein the earpiece that output control unit controls electric terminal is defeated
The terminal de-noising signal out.
Optionally, the earphone does not have microphone, wherein it is raw that de-noising signal generation unit is also based on the ambient noise
At the opposite side de-noising signal of the ambient noise near the unilateral headphone unit for offsetting the earphone；Output control unit is also controlled
The unilateral headphone unit for making the earphone exports the opposite side de-noising signal.
In the method according to an exemplary embodiment of the present invention for realizing noise reduction in electric terminal and its electric terminal, energy
It is enough that noise reduction is realized based on the microphone of electric terminal ambient noise collected.
Part in following description is illustrated into the other aspect and/or advantage of present general inventive concept, there are also one
Dividing will be apparent by description, or can learn by the implementation of present general inventive concept.
Detailed description of the invention
By below with reference to be exemplarily illustrated embodiment attached drawing carry out description, exemplary embodiment of the present it is upper
Stating will become apparent with other purposes and feature, in which:
Fig. 1 shows the flow chart of the method according to an exemplary embodiment of the present invention that noise reduction is realized in electric terminal；
Fig. 2 shows according to an exemplary embodiment of the present invention in electric terminal realizes the example of ears noise reduction；
Fig. 3 shows another example according to an exemplary embodiment of the present invention that ears noise reduction is realized in electric terminal；
Fig. 4 shows the block diagram of the electric terminal according to an exemplary embodiment of the present invention for realizing noise reduction.
Specific embodiment
It reference will now be made in detail the embodiment of the present invention, examples of the embodiments are shown in the accompanying drawings, wherein identical mark
Number identical component is referred to always.It will illustrate the embodiment, by referring to accompanying drawing below to explain the present invention.
Fig. 1 shows the flow chart of the method according to an exemplary embodiment of the present invention that noise reduction is realized in electric terminal.Institute
The method of stating can be by being mounted on executing in electric terminal for the application of noise reduction, or the operating system for passing through electric terminal
The function program of middle realization executes.Here, the electric terminal is connected with earphone, and user wears the earphone.As showing
Example, the electric terminal can be connected by wired or wireless (for example, bluetooth etc.) mode with earphone.
Referring to Fig.1, in step S10, ambient noise is acquired by the microphone of electric terminal.
As an example, can come to acquire ambient noise by the microphone of electric terminal depending on the user's operation.For example, can be
In the case where the operation for noise reduction for receiving user, ambient noise is acquired by the microphone of electric terminal.It is described to be used for
The operation of noise reduction can be contact action, physical button operation, acoustic control operation etc..
As another example, electric terminal can acquire ambient noise automatically by the microphone of electric terminal.For example, can be
Detect that electric terminal in the case where the ear of user, is acquired near the ear of user by the microphone of electric terminal
Ambient noise.Here, can be detected by various technologies electric terminal whether close to user ear.For example, can be by close
Sensor etc. come detect electric terminal whether close to user ear.
In addition, can also detect ear of the electric terminal close to user after receiving the operation for noise reduction of user
In the case where piece, ambient noise is acquired by the microphone of electric terminal.
In step S20, the terminal de-noising signal for offsetting the ambient noise is generated.It can generate by various modes
For offsetting the terminal de-noising signal of the ambient noise, details are not described herein.
In step S30, the terminal noise reduction is exported by electric terminal and/or the earphone according to the type of the earphone
Signal.Particularly, according to the type of the earphone by electric terminal (for example, the earpiece of electric terminal, loudspeaker etc.), or
Person's earphone or both electric terminal and earphone export the terminal de-noising signal.The type of the earphone can include: have
Bi-telephone (that is, earphone with both left ear unit and auris dextra unit), the ears without microphone of unilateral microphone
Earphone, single head-receiver (that is, the only earphone with left ear unit or auris dextra unit), the list without microphone with microphone
Ear earphone etc..
As an example, in step S10 electronics can be passed through in the case where detecting ear of the electric terminal close to user
The microphone acquisition ambient noise of terminal generates the terminal de-noising signal for offsetting the ambient noise in step S20,
Step S30 can pass through electric terminal and/or the side earphone of the close electric terminal of the earphone according to the type of the earphone
Unit exports the terminal de-noising signal.
By taking the earphone is the earphone with both left ear unit and auris dextra unit as an example, in step S10, it can detect
Electric terminal acquires ambient noise in the case where the ear of user, through the microphone of electric terminal, raw in step S20
The close electric terminal of the earphone can be passed through in step S30 at the terminal de-noising signal for offsetting the ambient noise
Side headphone unit exports the terminal de-noising signal.It picks up the ears that is, generating for offsetting the one of the close user of electric terminal
The terminal de-noising signal of ambient noise near piece is simultaneously exported by the side headphone unit to user, is existed so as to reduce user
The ambient noise that the ear is eavesdropped.
Further, as an example, there is both left ear unit and auris dextra unit in the earphone and do not have microphone
In the case of, it is according to an exemplary embodiment of the present invention to realize that the method for noise reduction may also include that based on the ring in electric terminal
Border noise generates the opposite side de-noising signal of the ambient noise near the other side headphone unit for offsetting the earphone；Then lead to
It crosses the other side headphone unit and exports the opposite side de-noising signal.That is, generating for offsetting the close use of electric terminal
The terminal de-noising signal of ambient noise near the side ear at family simultaneously passes through the side headphone unit to while user's output, goes back
It generates the opposite side de-noising signal of the ambient noise near the other side ear for offsetting user and passes through other side headphone unit
It is exported to user, so that user when wearing the earphone without microphone, still is able to reduce the ring that user eavesdrops in ears
Border noise.Here, it can be generated by various modes based on the ambient noise near collected side headphone unit for supporting
The opposite side de-noising signal of the ambient noise to disappear near the other side headphone unit of the earphone.For example, can be according to the space of sound wave
Transitive relation generates the other side for offsetting the earphone based on the ambient noise near collected side headphone unit
The opposite side de-noising signal of ambient noise near headphone unit.
As another example, there is both left ear unit and auris dextra unit in the earphone and the earphone is close to one
In the case where being equipped with unilateral microphone at side headphone unit (that is, left ear unit or auris dextra unit), in step S20, it can examine
Electric terminal is measured in the case where side headphone unit of the earphone far from unilateral microphone, is generated for offsetting
The terminal de-noising signal for stating ambient noise can pass through the side earphone list far from unilateral microphone of the earphone in step S30
First (that is, side headphone unit of the close electric terminal of the earphone) exports the terminal de-noising signal.It here, can be by each
Kind of mode detect electric terminal whether close to the earphone the side headphone unit far from unilateral microphone.For example, can basis
The collected ambient noise of the microphone of electric terminal and the signal by the side headphone unit output far from unilateral microphone
Between correlation determine, if the two correlation is high, can determine electric terminal close to the earphone far from unilateral wheat
The side headphone unit of gram wind.
Correspondingly, the method for the realization noise reduction according to an exemplary embodiment of the present invention in electric terminal may also include that logical
Cross the unilateral microphone acquisition ambient noise of the earphone；It generates for offsetting by the ring of the unilateral microphone acquisition of the earphone
The de-noising signal of border noise；The de-noising signal is exported by the side headphone unit close to unilateral microphone of the earphone, from
And to realize reduce the ambient noise eavesdropped in ears of user, and the ambient noise due to being based respectively on each ear side realizes correspondence
The noise reduction of ear side, improves noise reduction effect.Ears are realized in electric terminal Fig. 2 shows according to an exemplary embodiment of the present invention
The example of noise reduction, as shown in Fig. 2, acquiring the environment of different ear sides by the microphone of the microphone of earphone and electric terminal respectively
Noise, and the corresponding de-noising signal of generation is exported by respective side headphone unit, to realize preferable ears noise reduction effect.
As an example, according to an exemplary embodiment of the present invention realize that the method for noise reduction may also include that in electric terminal
In the case where detecting electric terminal close to the earphone close to the side headphone unit of unilateral microphone, it is based on the ring
Border noise and the ambient noise of unilateral microphone acquisition are generated for offsetting the ambient noise near the side headphone unit
Terminal de-noising signal, and the de-noising signal is exported by the side headphone unit close to unilateral microphone of the earphone.That is, base
End is generated in both the collected ambient noise of the microphone of electric terminal and the collected ambient noise of microphone of earphone
De-noising signal is held, to improve noise reduction effect.
Correspondingly, according to an exemplary embodiment of the present invention to realize that the method for noise reduction may also include that in electric terminal
Detect that electric terminal in the case where side headphone unit of the earphone close to unilateral microphone, is based on the environment
Noise and the ambient noise of unilateral microphone acquisition generate the environment near the other side headphone unit for offsetting the earphone
The opposite side de-noising signal of noise；The opposite side de-noising signal is exported by the other side headphone unit.That is, generating for supporting
The terminal de-noising signal of ambient noise near the side ear of the close user of the electric terminal that disappears and the earphone for passing through the side
While unit is exported to user, the opposite side noise reduction letter of the ambient noise near the other side ear for offsetting user is also generated
Number and exported by other side headphone unit to user, so that realizing reduces the ambient noise eavesdropped in ears of user.
In addition, as an example, there is both left ear unit and auris dextra unit in the earphone, and close to side earphone
In the case where being equipped with unilateral microphone at unit, the side according to an exemplary embodiment of the present invention that noise reduction is realized in electric terminal
Method may also include that the ring acquired in the case where detecting ear of the electric terminal without close user based on unilateral microphone
Border noise generates the opposite side de-noising signal for offsetting the ambient noise near the side headphone unit far from unilateral microphone,
In, the opposite side de-noising signal is exported by the side headphone unit.Correspondingly, it also produces for offsetting by unilateral Mike
The de-noising signal of the ambient noise of elegance collection simultaneously should by the side headphone unit output close to unilateral microphone of the earphone
De-noising signal, so that realizing reduces the ambient noise that user eavesdrops in ears.
By taking the earphone is the earphone with unilateral headphone unit as an example, in step S 10, electric terminal can be being detected
In the case where the ear of user, ambient noise is acquired by the microphone of electric terminal, in step S20, is generated for supporting
The terminal de-noising signal for the ambient noise that disappears can export the terminal noise reduction by the earpiece of electric terminal and believe in step S30
Number.Particularly, user wears single head-receiver on the ear of side, if user needs to carry out noise reduction, can lean on electric terminal
The side ear of earphone is not worn closely, so that electric terminal in the case where detecting ear of the electric terminal close to user, leads to
The microphone acquisition ambient noise for crossing electric terminal, generate for offset this pick up the ears piece near ambient noise terminal noise reduction letter
Number and exported by the earpiece of electric terminal, to reduce the ambient noise that user eavesdrops in the ear.
Further, as an example, in the case where the earphone has unilateral headphone unit and does not have microphone,
It is according to an exemplary embodiment of the present invention to realize that the method for noise reduction may also include that based on ambient noise life in electric terminal
At the opposite side de-noising signal of the ambient noise near the unilateral headphone unit for offsetting the earphone, and pass through the earphone
Unilateral headphone unit exports the opposite side de-noising signal.That is, generating the side for offsetting the close user of electric terminal
The terminal de-noising signal of ambient noise near ear and while exported by the earpiece of electric terminal to user, also generates and uses
The opposite side de-noising signal of ambient noise near the other side ear for offsetting user simultaneously passes through other side headphone unit to user
Output, so that user when wearing single head-receiver, still is able to reduce the ambient noise that user eavesdrops in ears.
As another example, in the case where the earphone is with unilateral headphone unit and has microphone, according to this hair
Bright exemplary embodiment realizes that the method for noise reduction may also include that the microphone acquisition ring by the earphone in electric terminal
Border noise；Generate the de-noising signal for offsetting the ambient noise by the microphone acquisition of the earphone；Pass through the earphone
Unilateral headphone unit exports the de-noising signal.To which user is when wearing single head-receiver, still being able to reduces user eavesdrops in ears
The noise arrived.
As another example, the single head-receiver has the function of active noise reduction (for example, active noise reduction bluetooth headset), thus
An exemplary embodiment of the present invention can realize user when wearing single head-receiver, still be able to reduce user ears eavesdrop to
Ambient noise.Fig. 3 shows another example according to an exemplary embodiment of the present invention that ears noise reduction is realized in electric terminal,
As shown in figure 3, the side ear of user wears active noise reduction bluetooth headset, can be acquired by the microphone of electric terminal another
An ambient noise near picking up the ears piece, and the corresponding de-noising signal of generation is exported by the earpiece of electric terminal, thus realize compared with
Good ears noise reduction effect.
Fig. 4 shows the block diagram of the electric terminal according to an exemplary embodiment of the present invention for realizing noise reduction.Here, as showing
Example, the electric terminal can be mobile communication terminal (for example, smart phone), intelligent wearable device (for example, intelligent hand
Table), personal computer, tablet computer, game machine, digital multimedia player etc. can connect the electric terminal of earphone.
As shown in figure 4, the electric terminal according to an exemplary embodiment of the present invention for realizing noise reduction includes: Noise Acquisition unit
10, de-noising signal generation unit 20 and output control unit 30.These units can be realized by special device, as showing
Example, the unit can be realized by the common hardwares such as digital signal processor, field programmable gate array processor, can also be passed through
The dedicated hardware processors such as special chip are realized, can also be realized completely by computer program with software mode, for example, by
It is embodied as being mounted on the module in the application for noise reduction in electric terminal, or is implemented as the operating system of electric terminal
The function program of middle realization.
Here, it should be appreciated that the electric terminal is removed with Noise Acquisition unit 10, de-noising signal generation unit 20 and defeated
Out except control unit 30, can also have it to execute the other devices of its own function as electric terminal.For example, the electronics
Terminal as device necessary to the electric terminals such as mobile communication terminal, tablet computer, game machine, digital multimedia player,
The invention is not limited in this regard.
Particularly, Noise Acquisition unit 10 is for acquiring ambient noise.For example, Noise Acquisition unit 10 can be electronics
Microphone of terminal etc. can acquire the device of ambient noise.
As an example, the electric terminal according to an exemplary embodiment of the present invention for realizing noise reduction may also include that acquisition control
Unit (not shown).Acquisition control unit acquires ambient noise for controlling Noise Acquisition unit 10.
It makes an uproar as an example, acquisition control unit can control the acquisition environment of Noise Acquisition unit 10 depending on the user's operation
Sound.For example, can control the acquisition environment of Noise Acquisition unit 10 in the case where receiving the operation for noise reduction of user and make an uproar
Sound.The operation for noise reduction can be contact action, physical button operation, acoustic control operation etc..
As another example, acquisition control unit can be automatically controled Noise Acquisition unit 10 and acquire ambient noise.For example, adopting
Noise Acquisition unit 10 can be controlled and acquire user in the case where detecting ear of the electric terminal close to user by collecting control unit
Ear near ambient noise.Here, whether acquisition control unit can detect electric terminal close to use by various technologies
The ear at family.For example, can be detected by proximity sensor etc. electric terminal whether close to user ear.
In addition, acquisition control unit can also detect electric terminal after receiving the operation for noise reduction of user
In the case where the ear of user, control Noise Acquisition unit 10 acquires ambient noise.
De-noising signal generation unit 20 is used to generate the terminal de-noising signal for offsetting the ambient noise.De-noising signal
Generation unit 20 can generate the terminal de-noising signal for offsetting the ambient noise by various modes, no longer superfluous herein
It states.
Output control unit 30 is used for according to the Type Control electric terminal of the earphone and/or earphone output
Terminal de-noising signal.Particularly, output control unit 30 is according to the Type Control electric terminal of the earphone (for example, electronics
Earpiece, loudspeaker of terminal etc.) perhaps earphone or both electric terminal and earphone export the terminal de-noising signal.Institute
State the type of earphone can include: the bi-telephone with unilateral microphone is (that is, the ear with both left ear unit and auris dextra unit
Machine), the bi-telephone without microphone, the single head-receiver with microphone is (that is, only with left ear unit or auris dextra unit
Earphone), the single head-receiver without microphone etc..
As an example, acquisition control unit can be in the case where detecting ear of the electric terminal close to user, control is made an uproar
Sound acquisition unit 10 acquires ambient noise, and de-noising signal generation unit 20 generates the terminal noise reduction for offsetting the ambient noise
Signal, output control unit 30 can be whole according to the Type Control electric terminal of the earphone and/or the close electronics of the earphone
The side headphone unit at end exports the terminal de-noising signal.
By taking the earphone is the earphone with both left ear unit and auris dextra unit as an example, acquisition control unit can detected
To electric terminal in the case where the ear of user, control Noise Acquisition unit 10 acquires ambient noise, and de-noising signal generates
Unit 20 generates the terminal de-noising signal for offsetting the ambient noise, and output control unit 30 can control leaning on for the earphone
The side headphone unit of nearly electric terminal exports the terminal de-noising signal.That is, generating close for offsetting electric terminal
The terminal de-noising signal of ambient noise near the side ear of user is simultaneously exported by the side headphone unit to user, so as to
Enough reduce the ambient noise that user eavesdrops in the ear.
Further, as an example, there is both left ear unit and auris dextra unit in the earphone and do not have microphone
In the case of, de-noising signal generation unit 20 can also generate the other side earphone for offsetting the earphone based on the ambient noise
The opposite side de-noising signal of ambient noise near unit；Output control unit 30 also can control the other side headphone unit to export
The opposite side de-noising signal.That is, making an uproar in the environment generated near the side ear for offsetting the close user of electric terminal
The terminal de-noising signal of sound simultaneously passes through the side headphone unit to while user's output, also generates the other side for offsetting user
The opposite side de-noising signal of ambient noise near ear is simultaneously exported by other side headphone unit to user, so that user is wearing
When earphone without microphone, it still is able to reduce the ambient noise that user eavesdrops in ears.Here, de-noising signal generates single
Member 20 can be generated based on the ambient noise near collected side headphone unit for offsetting the ear by various modes
The opposite side de-noising signal of ambient noise near the other side headphone unit of machine.For example, de-noising signal generation unit 20 can basis
The space transitive relation of sound wave come based near collected side headphone unit ambient noise generate for offsetting the ear
The opposite side de-noising signal of ambient noise near the other side headphone unit of machine.
As another example, there is both left ear unit and auris dextra unit in the earphone and the earphone is close to one
In the case where being equipped with unilateral microphone at the headphone unit of side, de-noising signal generation unit 20 can detect electric terminal close to institute
In the case where the side headphone unit far from unilateral microphone for stating earphone, generates the terminal for offsetting the ambient noise and drop
Noise cancellation signal, output control unit 30 can control the side headphone unit far from unilateral microphone of the earphone (that is, the earphone
Close electric terminal side headphone unit) the output terminal de-noising signal.Here, de-noising signal generation unit 20 can lead to
Cross various modes detect electric terminal whether the side headphone unit close to the earphone far from unilateral microphone.For example, can
According to the collected ambient noise of the microphone of electric terminal and the side headphone unit output by separate unilateral microphone
Correlation between signal determines, if the two correlation is high, can determine electric terminal close to the earphone far from single
The side headphone unit of side microphone.
Accordingly, as example, acquisition control unit also can control the unilateral microphone of the earphone to acquire ambient noise；
De-noising signal generation unit 20 also produces the noise reduction for offsetting the ambient noise by the unilateral microphone acquisition of the earphone
Signal；Output control unit 30 also can control the side headphone unit close to unilateral microphone of the earphone to export noise reduction letter
Number, so that realizing reduces the ambient noise that user eavesdrops in ears, and the ambient noise due to being based respectively on each ear side is come in fact
The noise reduction for now corresponding to ear side, improves noise reduction effect.
As an example, de-noising signal generation unit 20 can detect electric terminal close to the earphone close to unilateral wheat
In the case where the side headphone unit of gram wind, the ambient noise generation based on the ambient noise and unilateral microphone acquisition is used for
The terminal de-noising signal of the ambient noise near the side headphone unit is offset, output control unit 30 can control the earphone
The side headphone unit close to unilateral microphone export the de-noising signal.It is collected namely based on the microphone of electric terminal
Both collected ambient noises of the microphone of ambient noise and earphone generates terminal de-noising signal, to improve noise reduction effect
Fruit.
Accordingly, as example, de-noising signal generation unit 20 can also detect electric terminal close to the earphone
In the case where the side headphone unit of unilateral side microphone, the environment based on the ambient noise and unilateral microphone acquisition is made an uproar
Sound generates the opposite side de-noising signal of the ambient noise near the other side headphone unit for offsetting the earphone；Output control is single
Member 30 can control the other side headphone unit to export the opposite side de-noising signal.That is, generating for offsetting electric terminal institute
The terminal de-noising signal of ambient noise near the side ear of close user is simultaneously defeated to user by the headphone unit of the side
While out, the opposite side de-noising signal of the ambient noise near the other side ear for offsetting user is also generated and by another
Side headphone unit is exported to user, so that realizing reduces the ambient noise that user eavesdrops in ears.
In addition, as an example, there is both left ear unit and auris dextra unit in the earphone, and close to side earphone
In the case where being equipped with unilateral microphone at unit, de-noising signal generation unit 20 can detect electric terminal without close to user
Ear in the case where, the ambient noise based on the acquisition of unilateral microphone, which is generated, one picks up the ears for offsetting far from unilateral microphone
The opposite side de-noising signal of ambient noise near machine unit, output control unit 30 can control side headphone unit output institute
State opposite side de-noising signal.Correspondingly, de-noising signal for offsetting the ambient noise acquired by unilateral microphone is also produced simultaneously
The de-noising signal is exported by the side headphone unit close to unilateral microphone of the earphone, so that realizing reduces user double
The ambient noise that ear is eavesdropped.
By taking the earphone is the earphone with unilateral headphone unit as an example, acquisition control unit can detect electric terminal
In the case where the ear of user, control Noise Acquisition unit 10 acquires ambient noise, and de-noising signal generation unit 20 generates
For offsetting the terminal de-noising signal of the ambient noise, output control unit 30 be can control described in the earpiece output of electric terminal
Terminal de-noising signal.Particularly, user wears single head-receiver on the ear of side, if user needs to carry out noise reduction, can incite somebody to action
Electric terminal is close to the side ear for not wearing earphone, so that acquisition control unit is detecting ear of the electric terminal close to user
In the case where piece, control Noise Acquisition unit 10 acquires ambient noise, generate for offset this pick up the ears piece near ambient noise
Terminal de-noising signal and exported by the earpiece of electric terminal, to reduce the ambient noise that user eavesdrops in the ear.
Further, as an example, in the case where the earphone has unilateral headphone unit and does not have microphone,
De-noising signal generation unit 20 can be also generated based on the ambient noise near the unilateral headphone unit for offsetting the earphone
Ambient noise opposite side de-noising signal, output control unit 30 also can control the earphone unilateral headphone unit export described in
Opposite side de-noising signal.That is, generating the ambient noise near the side ear for offsetting the close user of electric terminal
Terminal de-noising signal and while exported by the earpiece of electric terminal to user, also generates and picks up the ears for offsetting the another of user
The opposite side de-noising signal of ambient noise near piece is simultaneously exported by other side headphone unit to user, so that user is wearing list
When ear earphone, it still is able to reduce the ambient noise that user eavesdrops in ears.
As another example, in the case where the earphone is with unilateral headphone unit and has microphone, acquisition control
Unit also can control the microphone of the earphone to acquire ambient noise；De-noising signal generation unit 20 also produce for offset by
The de-noising signal of the ambient noise of the microphone acquisition of the earphone；Output control unit 30 also can control the unilateral side of the earphone
Headphone unit exports the de-noising signal.To which user is when wearing single head-receiver, it still is able to reduce what user eavesdropped in ears
Ambient noise.
As another example, the single head-receiver has the function of active noise reduction (for example, active noise reduction bluetooth headset), thus
An exemplary embodiment of the present invention can realize user when wearing single head-receiver, still be able to reduce user ears eavesdrop to
Ambient noise.
It should be understood that said units also can be implemented as according to an exemplary embodiment of the present invention realizing in electric terminal
Each unit in the device of noise reduction, details are not described herein.
The method and its electric terminal according to an exemplary embodiment of the present invention that noise reduction is realized in electric terminal, Neng Gouji
Noise reduction is realized in the microphone of electric terminal ambient noise collected.
Although having show and described some exemplary embodiments of the invention, it will be understood by those skilled in the art that
It, can be to these in the case where not departing from the principle and spirit of the invention defined by the claims and their equivalents
Embodiment is modified.
Claims (14)
1. a kind of method for realizing noise reduction in electric terminal, wherein electric terminal is connected with earphone, which comprises
In the case where detecting ear of the electric terminal close to user, ambient noise is acquired by the microphone of electric terminal；
Generate the terminal de-noising signal for offsetting the ambient noise；
It is defeated by the side headphone unit of electric terminal and/or the close electric terminal of the earphone according to the type of the earphone
The terminal de-noising signal out,
Wherein, when the earphone has both left ear unit and auris dextra unit, pass through the close electric terminal of the earphone
Side headphone unit exports the terminal de-noising signal；
When the earphone only has unilateral headphone unit, the terminal de-noising signal is exported by the earpiece of electric terminal.
2. according to the method described in claim 1, wherein, when the earphone has both left ear unit and auris dextra unit, and
When the earphone does not have microphone, the method also includes:
The opposite side of the ambient noise near the other side headphone unit for offsetting the earphone is generated based on the ambient noise
De-noising signal；
The opposite side de-noising signal is exported by the other side headphone unit.
3. according to the method described in claim 1, wherein, when the earphone has both left ear unit and auris dextra unit, and
When the earphone is equipped with unilateral microphone at close side headphone unit,
In the case where detecting side headphone unit far from unilateral microphone of the electric terminal close to the earphone, generates and use
In the terminal de-noising signal for offsetting the ambient noise.
4. according to the method described in claim 3, further include:
In the case where detecting electric terminal close to the earphone close to the side headphone unit of unilateral microphone, it is based on institute
The ambient noise generation for stating ambient noise and unilateral microphone acquisition is made an uproar for offsetting the environment near the side headphone unit
The terminal de-noising signal of sound.
5. according to the method described in claim 4, further include:
In the case where detecting electric terminal close to the earphone close to the side headphone unit of unilateral microphone, it is based on institute
It states near other side headphone unit of the ambient noise generation of ambient noise and unilateral microphone acquisition for offsetting the earphone
Ambient noise opposite side de-noising signal；
The opposite side de-noising signal is exported by the other side headphone unit.
6. according to the method described in claim 1, wherein, when the earphone has both left ear unit and auris dextra unit, and
When being equipped with unilateral microphone at the headphone unit of side, the method also includes:
In the case where detecting ear of the electric terminal without close user, the ambient noise based on the acquisition of unilateral microphone is raw
At the opposite side de-noising signal for offsetting the ambient noise near the other side headphone unit far from unilateral microphone,
Wherein, the opposite side de-noising signal is exported by the other side headphone unit.
7. according to the method described in claim 1, wherein, when the earphone only has unilateral headphone unit, and do not have wheat
When gram wind, the method also includes:
The opposite side drop of the ambient noise near the unilateral headphone unit for offsetting the earphone is generated based on the ambient noise
Noise cancellation signal；
The opposite side de-noising signal is exported by the unilateral headphone unit of the earphone.
8. a kind of electric terminal for realizing noise reduction, wherein electric terminal is connected with earphone, and the electric terminal includes:
Noise Acquisition unit acquires ambient noise；
Acquisition control unit, in the case where detecting ear of the electric terminal close to user, control Noise Acquisition unit acquisition
Ambient noise；
De-noising signal generation unit generates the terminal de-noising signal for offsetting the ambient noise；
Output control unit, according to the close electric terminal of the Type Control electric terminal of the earphone and/or the earphone
Side headphone unit exports the terminal de-noising signal,
Wherein, when the earphone has both left ear unit and auris dextra unit, output control unit controls leaning on for the earphone
The side headphone unit of nearly electric terminal exports the terminal de-noising signal；
When the earphone only has unilateral headphone unit, the earpiece that output control unit controls electric terminal exports the terminal
De-noising signal.
9. electric terminal according to claim 8, wherein when the earphone has both left ear unit and auris dextra unit,
And when the earphone does not have microphone,
De-noising signal generation unit is also generated based on the ambient noise attached for offsetting the other side headphone unit of the earphone
The opposite side de-noising signal of close ambient noise,
Output control unit also controls the other side headphone unit and exports the opposite side de-noising signal.
10. electric terminal according to claim 8, wherein when the earphone has both left ear unit and auris dextra unit,
And when the earphone is equipped with unilateral microphone at close side headphone unit,
De-noising signal generation unit is detecting side earphone list far from unilateral microphone of the electric terminal close to the earphone
In the case where member, the terminal de-noising signal for offsetting the ambient noise is generated.
11. electric terminal according to claim 10, wherein
De-noising signal generation unit is detecting side earphone list close to unilateral microphone of the electric terminal close to the earphone
In the case where member, the ambient noise based on the ambient noise and unilateral microphone acquisition is generated for offsetting the side earphone
The terminal de-noising signal of ambient noise near unit.
12. electric terminal according to claim 11, wherein
De-noising signal generation unit is also detecting side earphone close to unilateral microphone of the electric terminal close to the earphone
In the case where unit, the ambient noise based on the ambient noise and unilateral microphone acquisition is generated for offsetting the earphone
The opposite side de-noising signal of ambient noise near the headphone unit of the other side,
Output control unit also controls the other side headphone unit and exports the opposite side de-noising signal.
13. electric terminal according to claim 8, wherein when the earphone has both left ear unit and auris dextra unit,
And when being equipped with unilateral microphone at the headphone unit of side,
De-noising signal generation unit is in the case where detecting ear of the electric terminal without close user, based on unilateral microphone
The ambient noise of acquisition generates the opposite side for offsetting the ambient noise near the other side headphone unit far from unilateral microphone
De-noising signal,
Output control unit controls the other side headphone unit and exports the opposite side de-noising signal.
14. electric terminal according to claim 8, wherein when the earphone only has unilateral headphone unit, and do not have
When having microphone,
De-noising signal generation unit is also generated based on the ambient noise near the unilateral headphone unit for offsetting the earphone
Ambient noise opposite side de-noising signal；
The unilateral headphone unit that output control unit also controls the earphone exports the opposite side de-noising signal.
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| CN201510889889.8A CN105338452B (en) | 2015-12-04 | 2015-12-04 | The method and its electric terminal of noise reduction are realized in electric terminal |
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| CN201510889889.8A CN105338452B (en) | 2015-12-04 | 2015-12-04 | The method and its electric terminal of noise reduction are realized in electric terminal |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201199709Y (en) * | 2008-05-28 | 2009-02-25 | 英华达(上海)电子有限公司 | Mobile communication terminal with function of removing noise |
| CN103024631A (en) * | 2012-12-18 | 2013-04-03 | 广东欧珀移动通信有限公司 | Method and device of noise reduction of earphone |
| CN104754430A (en) * | 2013-12-30 | 2015-07-01 | 重庆重邮信科通信技术有限公司 | Noise reduction device and method for terminal microphone |
| CN105120403A (en) * | 2015-06-26 | 2015-12-02 | 努比亚技术有限公司 | Noise reduction system and method |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100177904A1 (en) * | 2009-01-13 | 2010-07-15 | Po-Hsun Sung | Noise Reducing Earphone |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201199709Y (en) * | 2008-05-28 | 2009-02-25 | 英华达(上海)电子有限公司 | Mobile communication terminal with function of removing noise |
| CN103024631A (en) * | 2012-12-18 | 2013-04-03 | 广东欧珀移动通信有限公司 | Method and device of noise reduction of earphone |
| CN104754430A (en) * | 2013-12-30 | 2015-07-01 | 重庆重邮信科通信技术有限公司 | Noise reduction device and method for terminal microphone |
| CN105120403A (en) * | 2015-06-26 | 2015-12-02 | 努比亚技术有限公司 | Noise reduction system and method |
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