CN103680511B - A kind of method filtering noise, device and electronic equipment - Google Patents
A kind of method filtering noise, device and electronic equipment Download PDFInfo
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- CN103680511B CN103680511B CN201210359301.4A CN201210359301A CN103680511B CN 103680511 B CN103680511 B CN 103680511B CN 201210359301 A CN201210359301 A CN 201210359301A CN 103680511 B CN103680511 B CN 103680511B
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Abstract
The invention discloses a kind of method filtering noise, device and electronic equipment, the method is applied to electronic equipment, by the current locus status information of the described electronic equipment of acquisition；According to the current locus status information of described electronic equipment, select at least two target audio collecting units from the preset multiple audio collection units of described electronic equipment, and the sound that described at least two target audio collecting units are collected carries out noise-filtering, to improve the noise-filtering effect during electronic equipment uses.
Description
Technical field
The present invention relates to Noise cancellation technology field in electronic equipment, more particularly to a kind of side filtering noise
Method, device and electronic equipment.
Background technology
At present, it has been very commonly used for carrying out voice call using terminal units such as mobile phone, PDA.Utilizing terminal
During equipment is conversed, in order to avoid noise is excessive, terminal unit all can be to the sound receiving in its mike MIC
Filtered, to cross noise filtering.
Being applied to relatively common noise filtering mode in electric terminal is using double MIC noise reductions, that is, in terminal unit
It is built-in with two MIC, that is, in call or Recording Process, main MIC is generally located on electronics eventually to main mono- secondary MIC of MIC
The front at end, recently, this main MIC can directly receive the sound of user to the sound generation source of distance users, and secondary MIC primary recipient
The noise of surrounding, it receives, and the sound of user is weaker, and the sound that the main MIC of terminal-pair and secondary MIC receives is compared, to filter
Except the noise receiving.But when the position that user gripped or placed electronic equipment changes, in two MIC and call
The distance of the sound generation source such as user when there is larger change, terminal but cannot be carried out noise filtering, e.g., when terminal open hands-free
Afterwards, during passing through the sounding position of user and main MIC and secondary MIC the distance between it may happen that change, therefore main
The ability of MIC and secondary MIC receive user sound may be more close, and volume reduces it is impossible to carry out noise filtering.
Content of the invention
In view of this, the present invention provides a kind of method filtering noise, device and electronic equipment, and the method is in electronic equipment
It is under different use states, be respectively provided with preferable noise-filtering effect.
For achieving the above object, the present invention provides following technical scheme：A kind of method filtering noise, is applied to electronics and sets
Standby, including：
Obtain the current locus status information of described electronic equipment；
According to the current locus status information of described electronic equipment, adopt from the preset multiple audio frequency of described electronic equipment
At least two target audio collecting units are selected in collection unit；
The sound that described at least two target audio collecting units are collected carries out noise-filtering.
Preferably, described locus state at least includes first state and the second state, when described electronic equipment is in
During described first state, the long side of described electronic equipment and plane-parallel；And work as described electronic equipment and be in described second shape
During state, the minor face of described electronic equipment and plane-parallel.
Preferably, the described locus status information according to described electronic equipment, from preset many of described electronic equipment
At least two target audio collecting units are selected in individual audio collection unit, including：
According to the corresponding relation of preset locus and audio collection unit, select from the plurality of audio collection unit
Select the corresponding at least two target audio collecting units of the locus state current with described electronic equipment.
Preferably, the described locus status information according to described electronic equipment, from preset many of described electronic equipment
At least two target audio collecting units are selected in individual audio collection unit, including：
Determine preset in electronic equipment and corresponding with current locus state the first preset sound pick-up area；
At least two target audio collecting units are selected from preset multiple audio collection units, wherein, arbitrarily described
Target audio collecting unit apart from described first preset sound pick-up area apart from all same, and any two target collecting unit
Symmetrical with regard to described first preset sound pick-up area.
Preferably, the described locus status information obtaining described electronic equipment, including：
Obtain the space of described electronic equipment current time by built-in gravity sensing unit or gyro unit
Location status information.
On the other hand, present invention also offers a kind of device filtering noise, it is applied to electronic equipment, including：
Position determination unit, the locus status information current for obtaining described electronic equipment；
Select unit, for the locus status information current according to described electronic equipment, pre- from described electronic equipment
At least two target audio collecting units are selected in the multiple audio collection units put；
Noise filtering unit, the sound for collecting to described at least two target audio collecting units enters Row noise filter
Remove.
Preferably, the locus state that described position determination unit determines at least includes first state and the second state,
When described electronic equipment is in described first state, the long side of described electronic equipment and plane-parallel；And work as described electronics
When equipment is in described second state, the minor face of described electronic equipment and plane-parallel.
Preferably, described select unit includes：
First choice unit, for the corresponding relation according to preset spatial relation and audio collection unit, from institute
State locus state corresponding at least two target sound current with described electronic equipment of selection in multiple audio collection units
Frequency collecting unit.
Preferably, described position determination unit is specially：For by built-in gravity sensing unit or gyroscope list
Unit is obtaining the locus status information of described electronic equipment current time.
On the other hand, present invention also offers a kind of electronic equipment, including location sensitive unit, and feel with described position
Answer the microprocessor that unit is connected；
Described location sensitive unit, the locus state current for sensing described electronics；
Described microprocessor, for obtaining the current locus state of described electronic equipment from described location sensitive unit
Information, and according to the current locus status information of described electronic equipment, adopt from the preset multiple audio frequency of described electronic equipment
At least two target audio collecting units are selected in collection unit；The sound that described at least two target audio collecting units are collected
Sound carries out noise-filtering.
Preferably, described location sensitive unit, including：
Gravity sensing unit and/or gyroscope sensing unit.
Understand via above-mentioned technical scheme, compared with prior art, the present disclosure provides a kind of noise that filters
Method, device and electronic equipment, the method is applied to electronic equipment, by the current locus shape of the described electronic equipment of acquisition
State information, and according to the current locus status information of electronic equipment, from the preset multiple audio collection units of electronic equipment
Middle selection at least two target audio collecting units, and the sound that at least two target audio collecting units are collected makes an uproar
Sound filters, so, during user uses electronic equipment, if rotating electronic device is so that the space of this electronic equipment
After position changes, then can select audio collection unit according to the current locus of this electronic equipment, thus avoiding
When the locus of electronic equipment change, the relative position of the audio collection unit of collection sound can't change therewith,
And the problem that can not filter noise well leading to.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this
Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 shows a kind of schematic flow sheet of one embodiment of method filtering noise of the present invention；
Fig. 2 shows a kind of schematic flow sheet of another embodiment of method filtering noise of the present invention；
Fig. 3 shows a kind of schematic flow sheet of another embodiment of method filtering noise of the present invention；
Fig. 4 shows a kind of structural representation of one embodiment of device filtering noise of the present invention；
Fig. 5 shows a kind of structural representation of another embodiment of device filtering noise of the present invention；
Fig. 6 shows the structural representation of one embodiment of a kind of electronic equipment of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work
Embodiment, broadly falls into the scope of protection of the invention.
The embodiment of the invention discloses a kind of method filtering noise, the method is applied to an electronic equipment, and this electronics sets
Multiple audio collection units are preset, the method can use the space bit confidence during electronic equipment according to user in standby
Breath, to select at least two audio collection units, is made an uproar with will pass through the sound that the audio collection unit selecting is collected
Sound filters, and to play preferable noise filtering effect.
Specifically introduce below in conjunction with the accompanying drawings, referring to Fig. 1, show a kind of one embodiment of method filtering noise of the present invention
Schematic flow sheet, the method for the present embodiment can apply to an electronic equipment, and this electronic equipment can be mobile phone, Pad, palm
Computer etc. has the electronic equipment receiving acoustical signal and processing audio frequency.
The method of the present embodiment includes：
Step 101：Obtain the current locus status information of electronic equipment.
Wherein, user received calls using electronic equipment or recorded voice signal during, with user grip
The mode of electronic equipment or the mode difference placing electronic equipment, the locus state of electronic equipment also can be different.
Wherein, obtain the current locus status information of electronic equipment and can adopt existing any-mode, such as pass through
In electronic equipment, one or more of the position such as built-in gravity sensing unit, gyro unit sensing unit is obtaining electronics
The locus status information of equipment current time.
Step 102：According to the current locus status information of electronic equipment, from the preset multiple audio frequency of this electronic equipment
At least two target audio collecting units are selected in collecting unit.
Unlike the prior art, it is built-in with multiple audio collection units in the electronic equipment of the present embodiment, in electronic equipment
Middle formation audio collection cell array, e.g., for having the electronic equipment of rectangular enclosure shape, can at least set in electronics
Four standby summits are respectively provided with an audio collection unit.Wherein this audio collection unit can be understood as mike MIC etc. its
He has the unit of audio collection function.
Filter in order to the noise in the more preferable audio signal that audio collection unit is collected, determining
After the current location status information of electronic equipment, by the spatial positional information current according to this electronic equipment in the present embodiment, come
Select at least two audio collection units as target audio collecting unit from preset multiple audio collection units, and utilize
The target audio collecting unit selected carries out the collection of acoustical signal, to realize using at least two target audio selected
During collecting unit collection audio signal, can preferably execute noise-filtering.
Step 103：The sound that at least two target audio collecting units that this is selected are collected carries out noise-filtering.
After collecting sound using at least two target audio collection degree units selected, to the sound letter collecting
The process number carrying out noise-filtering can be using existing noise-filtering mode, such as to pass through to send the sound wave contrary with noise, profit
Abated the noise with principle of cancellation, this is not restricted.
In the present embodiment, when getting the locus status information of electronic equipment, according to the space bit of electronic equipment
Confidence breath selects at least two audio collection units as collected sound signal from preset multiple audio collection units
Target audio collecting unit, and then Row noise filter is entered by the acoustical signal that at least two target audio collecting units are collected
Remove, it is achieved thereby that selecting audio collection unit according to the actual location status of electronic equipment, and then avoid and set when electronics
When standby location status change, affect the situation of normal noise-filtering.
In this application, the locus status information of the electronic equipment getting can be with respect to the horizontal plane or perpendicular
The location status of straight plane etc..Optionally, the locus state of electronic equipment can be：At least include first state and second
State, wherein, when electronic equipment is in first state, the long side of this electronic equipment and plane-parallel；And work as electronic equipment
When being in the second state, the minor face of electronic equipment and plane-parallel.
It should be noted that described herein parallel be do not imply that parallel in absolute sense, as worked as electronic equipment
Long side and horizontal plane are substantially parallel or with the angle of horizontal plane within the specified range（Less parallel）When, all it is considered that electronics
The long side of equipment and plane-parallel；Similar, when minor face and plane-parallel or the folder with horizontal plane of electronic equipment
Minor face and the plane-parallel of electronic equipment is all thought at angle within the specified range.
Referring to Fig. 2, show a kind of schematic flow sheet of another embodiment of method filtering noise of the present invention, this enforcement
Example be applied to an electronic equipment, the present embodiment be embodiment illustrated in fig. 1 a kind of specific implementation, the method for the present embodiment
Including：
Step 201：Obtain the current locus status information of electronic equipment.
Obtain the mode of the locus status information of electronic equipment in the present embodiment, and locus state is comprised
Particular location state all similar to associated description in embodiment illustrated in fig. 1, will not be described here.
Step 202：According to the corresponding relation of preset locus state and audio collection unit, from preset multiple sounds
Select the corresponding at least two target audio collections of the locus state current with described electronic equipment single in frequency collecting unit
Unit.
In actual applications, can test out in advance when electronic equipment is in the same space location status, this electronics sets
When standby which upper audio collection unit to carry out the collection of acoustical signal as the target audio collecting unit combining, system can
Preferably to carry out noise filtering, and then determine the audio collection unit that different locus states should adopt, and
The corresponding relation of built-in space location status and audio collection unit in electronic equipment.
In the corresponding relation with audio collection unit for the preset locus state, for a certain specific locus
State at least corresponds to a kind of selection scheme of target collecting unit, all includes at least two targets in each selection scheme
Collecting unit.After the locus status information of electronic equipment current time determines, then the target audio that can select gathers
Unit is also just determined.
For example, long side and the plane-parallel of electronic equipment, Yi Ji electricity is only comprised with the spatial relation of electronic equipment
As a example the minor face of sub- equipment and two kinds of location status of plane-parallel, and assume that four drift angles in electronic equipment are provided with one
Individual audio collection unit, vertically places to describe with electronic equipment, the upper left corner, the upper right corner, the lower left corner, the audio collection in the lower right corner
Unit is respectively designated as audio collection unit 1, audio collection unit 2, audio collection unit 3 and audio collection unit 4, works as electronics
When the long side of equipment and plane-parallel, then set the group as 1 and 2 with this locus state corresponding audio collection unit
Close, or the combination of collecting unit 3 and 4, when the minor face of electronic equipment is with plane-parallel, then set and this locus
State corresponding audio collection unit is 1 and 3 combination, or the combination of audio collection unit 2 and 4, therefore when getting electricity
When the current locus state of sub- equipment is minor face and the plane-parallel of electronic equipment, then can select audio collection unit
1 and audio collection unit 2 combine as target audio collecting unit, or select audio collection unit 3 and audio collection unit 4
As the combination of target audio collecting unit, which group specifically chosen can determine at random, can also come really according to default rule
Fixed.After have selected audio collection unit 1 and audio collection unit 2 as target audio collecting unit, then can pass through audio frequency
Collecting unit 1 and audio collection unit 2 are receiving acoustical signal, and using existing noise filtering method, this two audio frequency are adopted
The sound that collection unit collects carries out noise filtering.
Step 203：The sound that at least two target audio collecting units that this is selected are collected carries out noise-filtering.
In the present embodiment when carrying out noise filtering, existing any-mode can be adopted.Optionally, in the present embodiment
In intensity, phase place and the time same sound that each target audio collecting unit can be collected according to actual setting
Signal is as targeted voice signal, and intensity, phase place or time that each target voice collecting unit is collected etc. are different
Speech signal is as noise signal, and filters noise, and the mode here specifically filtering noise is not any limitation as.
Referring to Fig. 3, show a kind of schematic flow sheet of another embodiment of method filtering noise of the present invention, this enforcement
The method of example is applied to an electronic equipment, and the present embodiment is another kind of specific implementation of embodiment illustrated in fig. 1, the present embodiment
Method, including：
Step 301：Obtain the current locus status information of electronic equipment.
The detailed process of this step is similar to the operation of embodiment illustrated in fig. 1, will not be described here.
Step 302：Determine preset and corresponding with current locus state the first preset sound in electronic equipment
Pick-up area.
In the present embodiment, multiple default voice pickup area preset in the electronic device, wherein, default sound picks up
The acoustical signal in area is taken to be considered as targeted voice signal, and the sound being partially received outside default voice pickup area
Signal is considered as then noise signal, needs to be filtered.
It should be noted that each preset sound pick-up area each corresponds to a kind of locus state.Each is pre- preset
If voice pickup area when, need consider user use electronic equipment use habit, and then make current with electronic equipment
Locus state corresponding preset sound pick-up area can preferably receive the targeted voice signal such as user voice.For example,
When the long side of electronic equipment is with plane-parallel, then default sound corresponding with this electronic equipment current locus state
Sound pick-up area is then：It is preset on the perpendicular bisector on the long side of electronic equipment, and there is the voice pickup band of specified width, which width.
For the ease of description, and in order to preset distinguishing with other voice pickup areas, the present embodiment in electronic equipment
Middle by the locus state corresponding voice pickup area current with electronic equipment be referred to as the first preset sound pick-up area.
Step 303：Select at least two target audio collecting units from preset multiple audio collection units, wherein,
First preset sound pick-up area described in arbitrary target audio collection cell distance apart from all same, and any two target collection
Unit is symmetrical with regard to described first preset sound pick-up area.
When determining first preset sound pick-up area corresponding with electronic equipment current spatial location state, can basis
Audio collection unit carrys out selection target audio collection unit with the position relationship of this first preset sound pick-up area.In the present embodiment
In the distance of arbitrary target audio collecting unit distance the first preset sound pick-up area selected identical, and any two mesh
Mark with phonetic symbols frequency collecting unit is all symmetrical with regard to this first preset sound pick-up area.
Wherein it is determined that distance the first preset sound memory block is apart from identical, and any two audio collection unit is with regard to
The mode of the symmetrical target audio collecting unit in one preset sound pick-up area can be to prestore preset sound pick-up area and sound
The incidence relation of frequency collecting unit, the target audio according to can determine certain preset sound pick-up area corresponding in this incidence relation is adopted
Collection unit.It is of course also possible to be the relative position of each audio collection unit of Real-time Collection and this first preset sound pick-up area
Relation, and then determine target audio collecting unit.
Can be drawn by the process of selection target audio collection unit, arbitrary target audio collection unit is from the first default sound
The signal message all same such as the intensity of the acoustical signal that sound pick-up area receives, phase place and time, and target audio collection is single
The signal messages such as the intensity of acoustical signal that other regions outside the first preset sound pick-up area of unit receive, phase place then can
There is larger difference, and then be conducive to subsequently carrying out noise filtering according to the acoustical signal that target sound collecting unit collects.
Step 304：The sound that at least two target audio collecting units that this is selected are collected carries out noise-filtering.
After determining target audio collecting unit, carry out adopting of acoustical signal by starting target audio collecting unit
Collection, and on electronic equipment, the audio collection unit in addition to target audio collecting unit is not then used in the reception of acoustical signal.
In the present embodiment, when user uses electronic equipment, the locus of electronic equipment are different, current with electronic equipment
The corresponding first preset sound pick-up area in locus also can change accordingly, and the first preset sound pick-up area is to set in electronics
It is capable of the region of the echo signal such as receive user sound to greatest extent under standby current locus state, simultaneously because target
The intensity of the acoustical signal that audio collection unit collects from this first default pick-up area, phase place are almost identical with the time.Cause
This, when the present embodiment carries out noise filtering to the acoustical signal that target audio collecting unit collects, if each target sound
Sound signal intensity, phase place and time that frequency collecting unit collects are upper identical, think that the acoustical signal that this receives is target
Speech signal, and using the acoustical signal outside object language signal as noise signal, noise signal is filtered.Carry out
During noise filtering, can be without limitation to filter noise, the application using existing any noise removal technology.
A kind of schematic flow sheet of one embodiment of method filtering noise of the corresponding present invention, the present embodiment additionally provides
A kind of device filtering noise.
Referring to Fig. 4, show a kind of structural representation of one embodiment of device filtering noise of the present invention, the present embodiment
The device filtering noise be applied to an electronic equipment, this electronic equipment can have reception for mobile phone, Pad, palm PC etc.
Acoustical signal and the electronic equipment processing audio frequency.The device of the present embodiment includes：Position determination unit 410, select unit 420 and
Noise filtering unit 430.
Wherein, position determination unit 410, the locus status information current for obtaining described electronic equipment.
Select unit 420, for the locus status information current according to described electronic equipment, from described electronic equipment
At least two target audio collecting units are selected in preset multiple audio collection units.
Wherein, user received calls using electronic equipment or recorded voice signal during, with user grip
The mode of electronic equipment or the mode difference placing electronic equipment, the locus state of electronic equipment also can be different.According to
In order to adapt to the different locus state of electronic equipment it is thus necessary to determine that electronic equipment is under current spatial location state, right
The target audio collecting unit answered, can preferably distinguish targeted voice signal and noise signal, and then preferably filters
Noise.
Noise filtering unit 430, the sound for collecting to described at least two target audio collecting units is made an uproar
Sound filters.
The process that this noise-filtering unit carries out noise-filtering to the acoustical signal collecting can adopt existing noise
Filter mode, such as pass through to send the sound wave contrary with noise, abated the noise using principle of cancellation, this is not restricted.
Wherein, the current locus status information of the electronic equipment of this position determination unit 410 acquisition in this application can
With using existing any-mode.Optionally, this position determination unit 410 is specially：For by built-in gravity sensing list
Unit or gyro unit are obtaining the locus status information of described electronic equipment current time.
Further, the locus state that position determination unit 410 determines can comprise various states, such as and horizontal plane
Or position relationship of vertical plane etc..Optionally, the locus state that this position determination unit determines at least includes first
State and the second state, when described electronic equipment is in described first state, the long side of described electronic equipment is put down with horizontal plane
OK；And when described electronic equipment is in described second state, the minor face of described electronic equipment and plane-parallel.
It should be noted that described herein parallel be do not imply that parallel in absolute sense, as worked as electronic equipment
Long side and horizontal plane are substantially parallel or with the angle of horizontal plane within the specified range（Less parallel）When, all it is considered that electronics
The long side of equipment and plane-parallel；Similar, when minor face and plane-parallel or the folder with horizontal plane of electronic equipment
Minor face and the plane-parallel of electronic equipment is all thought at angle within the specified range.
In the present embodiment, when position determination unit gets the locus status information of electronic equipment, select unit
The current spatial positional information of the electronic equipment determined according to position determination unit, from preset multiple audio collection units
Select at least two audio collection units as the target audio collecting unit of collected sound signal, and then by noise filtering unit
The acoustical signal that at least two target audio collecting units are collected carries out noise-filtering, it is achieved thereby that according to electronic equipment
Actual location status are selecting audio collection unit, and then avoid when the location status of electronic equipment change, and impact is just
The situation of normal noise-filtering.
Referring to Fig. 5, show a kind of structural representation of the present invention another embodiment of noise filtering device, the present embodiment
Device be embodiment illustrated in fig. 4 a specific implementation, the device of the present embodiment different from embodiment illustrated in fig. 4 it
Place is：In the present embodiment, select unit 420 can include：
First choice unit 421, for the corresponding relation according to preset spatial relation and audio collection unit, from
Locus state corresponding at least two targets current with described electronic equipment are selected in the plurality of audio collection unit
Audio collection unit.
In the corresponding relation with audio collection unit for the preset locus state, for a certain specific locus
State at least corresponds to a kind of selection scheme of target collecting unit, all includes at least two targets in each selection scheme
Collecting unit.After the locus status information of electronic equipment current time determines, then the target audio that can select gathers
Unit is also just determined.
Position determination unit is identical with embodiment illustrated in fig. 4 with the function of noise filtering unit in the present embodiment, specifically
May refer to the introduction of embodiment illustrated in fig. 4, will not be described here.
In addition, in addition to the implementation of Fig. 5 embodiment, select unit determines target audio collecting unit in this application
Mode can also have other implementations, corresponding, this select unit can also include：Second select unit, for from
At least two target audio collecting units are selected in preset multiple audio collection units, wherein, arbitrary target audio collection list
Apart from described first preset sound pick-up area apart from all same, and any two target collecting unit is pre- with regard to described first for unit
If voice pickup area is symmetrical.
Accordingly, noise filtering unit is carried out to the acoustical signal that target audio collecting unit collects in the present embodiment
During noise filtering, if sound signal intensity, phase place and time that each target audio collecting unit collects are upper identical, recognize
It is object language signal for the acoustical signal that this receives, and the acoustical signal outside object language signal is believed as noise
Number, noise signal is filtered.The mode specifically filtering noise can be noise filtering mode arbitrary in prior art,
Here is not any limitation as.
A kind of device filtering noise of the corresponding present invention, present invention also offers a kind of electronic equipment, referring to Fig. 6, shows
Go out the structural representation of a kind of electronic equipment of the present invention, the electronic equipment of the present embodiment includes：Location sensitive unit 601 and
The microprocessor 602 being connected with described location sensitive unit 601.
Wherein, described location sensitive unit 601, the locus state current for sensing described electronics；
Described microprocessor 602, for obtaining the current locus state of described electronic equipment from described sensing unit
Information, and according to the current locus status information of described electronic equipment, adopt from the preset multiple audio frequency of described electronic equipment
At least two target audio collecting units are selected in collection unit；The sound that described at least two target audio collecting units are collected
Sound carries out noise-filtering.
Further, this sensing unit, including：Gravity sensing unit and/or gyroscope sensing unit.
In this specification, each embodiment is described by the way of going forward one by one, and what each embodiment stressed is and other
The difference of embodiment, between each embodiment identical similar portion mutually referring to.For device disclosed in embodiment
For, because it corresponds to the method disclosed in Example, so description is fairly simple, say referring to method part in place of correlation
Bright.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention.
Multiple modifications to these embodiments will be apparent from for those skilled in the art, as defined herein
General Principle can be realized without departing from the spirit or scope of the present invention in other embodiments.Therefore, the present invention
It is not intended to be limited to the embodiments shown herein, and be to fit to and principles disclosed herein and features of novelty phase one
The scope the widest causing.
Claims (8)
1. a kind of method filtering noise is it is characterised in that be applied to electronic equipment, including：
Obtain the current locus status information of described electronic equipment；
From preset multiple voice pickup areas, determine first preset sound pickup corresponding with current locus state
Area, wherein, the acoustical signal that described first preset sound pick-up area receives is targeted voice signal；
Select at least two target audio collecting units from preset multiple audio collection units, wherein, arbitrarily described target
First preset sound pick-up area described in audio collection cell distance apart from all same, and any two target audio collecting unit
Symmetrical with regard to described first preset sound pick-up area；
It is described targeted voice signal according to the signal message identical acoustical signal that target audio collecting unit collects, to institute
State the sound that at least two target audio collecting units collect and carry out noise-filtering, outside filtering described targeted voice signal
Noise signal.
2. method according to claim 1 is it is characterised in that described locus state at least includes first state and
Two-state, when described electronic equipment is in described first state, the long side of described electronic equipment and plane-parallel；And work as institute
When stating electronic equipment and being in described second state, the minor face of described electronic equipment and plane-parallel.
3. method according to claim 1 is it is characterised in that the locus state of the described electronic equipment of described acquisition is believed
Breath, including：
Obtain the locus of described electronic equipment current time by built-in gravity sensing unit or gyro unit
Status information.
4. a kind of device filtering noise is it is characterised in that be applied to electronic equipment, including：
Position determination unit, the locus status information current for obtaining described electronic equipment；
Select unit, for, from preset multiple voice pickup areas, determining and current locus state corresponding first
Preset sound pick-up area；Select at least two target audio collecting units, wherein, institute from preset multiple audio collection units
Stating the acoustical signal that the first preset sound pick-up area receives is targeted voice signal, arbitrarily described target audio collecting unit away from
All same with a distance from described first preset sound pick-up area, and any two target audio collecting unit is pre- with regard to described first
If voice pickup area is symmetrical；
Noise filtering unit, the signal message identical acoustical signal for collecting according to target audio collecting unit is target
Voice signal, the sound that described at least two target audio collecting units are collected carries out noise-filtering, to filter described mesh
Noise signal outside mark voice signal.
5. device according to claim 4 it is characterised in that described position determination unit determine locus state extremely
Include first state and the second state less, when described electronic equipment is in described first state, the long side of described electronic equipment
With plane-parallel；And when described electronic equipment is in described second state, the minor face of described electronic equipment is put down with horizontal plane
OK.
6. device according to claim 4 is it is characterised in that described position determination unit is specially：For by built-in
Gravity sensing unit or gyro unit obtaining the locus status information of described electronic equipment current time.
7. a kind of electronic equipment is it is characterised in that include location sensitive unit and micro- with what described location sensitive unit was connected
Processor；
Described location sensitive unit, the locus state current for sensing described electronics；
Described microprocessor, for obtaining the current locus state letter of described electronic equipment from described location sensitive unit
Breath, from preset multiple voice pickup areas, determines first preset sound pick-up area corresponding with current locus state,
Wherein, the acoustical signal that described first preset sound pick-up area receives is targeted voice signal；Adopt from preset multiple audio frequency
At least two target audio collecting units are selected, wherein, arbitrarily described target audio collecting unit is apart from described the in collection unit
One preset sound pick-up area apart from all same, and any two target audio collecting unit picks up with regard to described first preset sound
Take area symmetrical；It is targeted voice signal according to the signal message identical acoustical signal that target collecting unit collects, to described
The sound that at least two target audio collecting units collect carries out noise-filtering, outside filtering described targeted voice signal
Noise signal.
8. electronic equipment according to claim 7 is it is characterised in that described location sensitive unit, including：
Gravity sensing unit and/or gyroscope sensing unit.
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