CN106954142A - Orient vocal technique, device and electronic equipment - Google Patents
Orient vocal technique, device and electronic equipment Download PDFInfo
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- CN106954142A CN106954142A CN201710335711.8A CN201710335711A CN106954142A CN 106954142 A CN106954142 A CN 106954142A CN 201710335711 A CN201710335711 A CN 201710335711A CN 106954142 A CN106954142 A CN 106954142A
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- loudspeaker
- audio signal
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- orientation
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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
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
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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
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
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- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The present invention provides a kind of orientation vocal technique, device and electronic equipment, and method and device is applied to include the electronic equipment of multiple loudspeaker.Method includes：Sounding horn into multiple loudspeaker sends the first audio signal；Into the sounding horn the week side of boss, at least the loudspeaker of side send the second audio signal with the opposite in phase of first audio signal, and the sounding horn is scattered to the canceling sound of target utterance direction at least side.So, it is possible to achieve really orient sounding.
Description
Technical field
The present invention relates to audio output control technology field, in particular to one kind orientation vocal technique, device and electricity
Sub- equipment.
Background technology
Existing orientation vocal technique reaches the purpose of orientation sounding by adjusting the direction of loudspeaker mostly.However, sound
The transmission characteristic of ripple determines that the sound that loudspeaker are sent can not possibly be propagated only along straight line, can also scatter to other directions.Cause
This, really orientation sounding can not be realized by mechanically adjusting the direction of loudspeaker.
The content of the invention
In view of this, it is an object of the invention to provide one kind orientation vocal technique, device and electronic equipment, with improvement
State problem.
To achieve these goals, present pre-ferred embodiments provide a kind of orientation vocal technique, including：
Sounding horn into the multiple loudspeaker sends the first audio signal；
Into the sounding horn the week side of boss, at least the loudspeaker of side are sent and the opposite in phase of first audio signal
Second audio signal, the sounding horn is scattered to the canceling sound of target utterance direction at least side.
Preferably, in above-mentioned orientation vocal technique, the multiple loudspeaker are towards different directions, and the sounding horn passes through
Following steps are determined：
It regard the loudspeaker in the multiple loudspeaker towards the target utterance direction as the sounding horn.
Preferably, in above-mentioned orientation vocal technique, the axis direction of the multiple loudspeaker is parallel to each other, the sounding loudspeaker
Be centrally located loudspeaker in the multiple loudspeaker；
Before the step of sounding horn into the multiple loudspeaker sends the first audio signal, methods described also includes：
Each loudspeaker is controlled to turn to the target utterance direction.
Preferably, in above-mentioned orientation vocal technique, the target utterance direction is determined by following steps：
Response first is operated, detection user position, and the direction of the relatively described electronic equipment in user position is made
For the target utterance direction；Or
Response second is operated, and acquisition is used as the target utterance direction, institute with the described second corresponding assigned direction of operation
State be stored with the electronic equipment operation of difference second and the corresponding relation between different assigned directions.
Preferably, in above-mentioned orientation vocal technique, second audio signal is obtained by following steps：
Anti-phase processing is carried out to first audio signal；
Second audio signal is obtained according to the first audio signal after anti-phase processing.
Present pre-ferred embodiments also provide a kind of orientation sound-producing device, applied to including the electronic equipment of multiple loudspeaker,
The orientation sound-producing device includes：
Sounding module, the first audio signal is sent for the sounding horn into the multiple loudspeaker；
Noise reduction module, at least the loudspeaker of side to be sent and first audio signal into the sounding horn the week side of boss
Opposite in phase the second audio signal, the sound that the sounding horn is scattered into target utterance direction at least side supports
Disappear.
Preferably, in above-mentioned orientation sound-producing device, the multiple loudspeaker are towards different directions, the orientation sound-producing device
Also include：
Sounding horn determining module, for regarding the loudspeaker in the multiple loudspeaker towards the target utterance direction as institute
State sounding horn.
Preferably, in above-mentioned orientation sound-producing device, the axis direction of the multiple loudspeaker is parallel to each other, the sounding loudspeaker
Be centrally located loudspeaker in the multiple loudspeaker, the orientation sound-producing device also includes：
Course changing control module, for controlling each loudspeaker to turn to the target utterance direction.
Preferably, in above-mentioned orientation sound-producing device, the orientation sound-producing device also includes the second audio signal and obtains mould
Block, the second audio signal acquisition module includes：
Anti-phase submodule, for carrying out anti-phase processing to first audio signal；
Signal transacting submodule, for obtaining second audio signal according to the first audio signal after anti-phase processing.
Present pre-ferred embodiments also provide a kind of electronic equipment, and the electronic equipment includes memory, processor and many
Individual loudspeaker；
The memory is used for storage program；
The processor is used to call the program being stored in the memory, performs the orientation sounding side that the present invention is provided
Method.
Orientation vocal technique provided in an embodiment of the present invention, device and electronic equipment, by sending first to sounding horn
Audio signal, into sounding horn the week side of boss, at least the loudspeaker of side send the second audio with the opposite in phase of the first audio signal
Signal, sounding horn is scattered to the canceling sound of target utterance direction at least side, so that electronic equipment is realized really
Orientation sounding.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be attached to what is used needed for embodiment
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore is not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is the block diagram of a kind of electronic equipment provided in an embodiment of the present invention.
Fig. 2 is a kind of schematic flow sheet for orienting vocal technique provided in an embodiment of the present invention.
Fig. 3 (a) is a kind of loudspeaker scheme of installation provided in an embodiment of the present invention.
Fig. 3 (b) is another loudspeaker scheme of installation provided in an embodiment of the present invention.
Fig. 4 is a kind of sounding horn provided in an embodiment of the present invention and the position relationship schematic diagram in target utterance direction.
Fig. 5 is sounding horn provided in an embodiment of the present invention and another position relationship schematic diagram in target utterance direction.
Fig. 6 is sounding horn provided in an embodiment of the present invention and another position relationship schematic diagram in target utterance direction.
Fig. 7 is the another schematic flow sheet provided in an embodiment of the present invention for orienting vocal technique.
Fig. 8 is the sub-step schematic diagram provided in an embodiment of the present invention for obtaining the second audio signal.
Fig. 9 is a kind of functional block diagram for orienting sound-producing device provided in an embodiment of the present invention.
Figure 10 is the another functional block diagram provided in an embodiment of the present invention for orienting sound-producing device.
Figure 11 is the another functional block diagram provided in an embodiment of the present invention for orienting sound-producing device.
Figure 12 is the submodule block diagram of the second audio signal acquisition module provided in an embodiment of the present invention.
Icon：100- electronic equipments；110- memories；120- processors；130- audio units；200- orientation sounding dresses
Put；210- sounding modules；220- noise reduction modules；230- sounding horn determining modules；240- course changing control modules；The sounds of 250- second
Frequency signal acquisition module；The anti-phase submodules of 251-；252- signal transacting submodules.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Present invention implementation generally here described and illustrated in accompanying drawing
The component of example can be arranged and designed with a variety of configurations.
Therefore, the detailed description of embodiments of the invention below to providing in the accompanying drawings is not intended to limit claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.Based on the embodiment in the present invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model that the present invention is protected
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then it further need not be defined and explained in subsequent accompanying drawing.
Referring to Fig. 1, Fig. 1 is the block diagram of a kind of electronic equipment 100 provided in an embodiment of the present invention.The electronics
Equipment 100 can be any equipment with audio playing function, for example, audio amplifier, TV etc..The electronic equipment 100 includes
Orient sound-producing device 200, memory 110, processor 120 and audio unit 130.
The memory 110, processor 120 and each element of audio unit 130 directly or indirectly electrically connect each other
Connect, to realize the transmission or interaction of data.For example, these elements can pass through one or more communication bus or signal each other
Line, which is realized, to be electrically connected with.The orientation sound-producing device 200 can be in the form of software or firmware (firmware) including at least one
It is stored in the software function module in the memory 110.The processor 120, which is used to perform in the memory 110, to be stored
Executable module, such as it is described orientation sound-producing device 200 included by software function module and computer program.
Wherein, the memory 110 may be, but not limited to, random access memory (Random Access
Memory, RAM), read-only storage (Read Only Memory, ROM), programmable read only memory (Programmable
Read-Only Memory, PROM), erasable read-only memory (Erasable Programmable Read-Only
Memory, EPROM), electricallyerasable ROM (EEROM) (Electric Erasable Programmable Read-Only
Memory, EEPROM) etc..
The processor 120 can be a kind of IC chip, the disposal ability with signal.The processor 120
Can be general processor, including central processing unit (Central Processing Unit, abbreviation CPU), network processing unit
(Network Processor, abbreviation NP) etc..Can also be digital signal processor (DSP), application specific integrated circuit (ASIC),
It is field programmable gate array (FPGA) or other PLDs, discrete gate or transistor logic, discrete hard
Part component.It can realize or perform disclosed each method, step and the logic diagram in the embodiment of the present invention.General processor
Can be microprocessor or the processor can also be any conventional processor etc..
The audio unit 130 includes multiple loudspeaker.In the present embodiment, the direction of the multiple loudspeaker can have a variety of
Set-up mode.For example, the multiple loudspeaker can be towards different directions.Again for example, the axis direction phase of the multiple loudspeaker
It is mutually parallel.
It should be appreciated that in the present embodiment, structure shown in Fig. 1 is only signal, the electronic equipment 100 can also have than figure
1 more either less components or with the configuration different from shown in Fig. 1.Each component shown in Fig. 1 can using hardware,
Software or its combination are realized.
Referring to Fig. 2, being the schematic flow sheet of orientation vocal technique provided in an embodiment of the present invention, the orientation sounding side
Method can apply to the electronic equipment 100 shown in Fig. 1.The specific steps and flow shown in Fig. 2 will be elaborated below.
Step S101：Sounding horn into multiple loudspeaker sends the first audio signal.
In the present embodiment, the electronic equipment 100 includes multiple loudspeaker.When user triggers the orientation of electronic equipment 100
After vocal function, the sounding horn that the electronic equipment 100 can be into the multiple loudspeaker sends the first audio signal, so that institute
State sounding horn sounding.
Wherein, the sounding horn is to be used for the loudspeaker of sounding, and the sounding horn direction in the multiple loudspeaker
Target utterance direction sounding.The target utterance direction can be at least one specific direction relative to electronic equipment 100,
It can be at least one region relative to electronic equipment 100.First audio signal is the electronic equipment 100 normally hair
Audio signal needed for sound.
Step S102：Into the sounding horn the week side of boss, at least the loudspeaker of side are sent and first audio signal respectively
Opposite in phase the second audio signal, the sound that the sounding horn is scattered into target utterance direction at least side supports
Disappear.
In actual applications, although the sounding horn is towards target utterance direction, the sound being actually sent out can be scattered
To the week side of boss in target utterance direction so that the user positioned at target utterance direction the week side of boss can also substantially hear electronic equipment 100
The sound sent, it is impossible to realize really orientation sounding.Study and find through inventor, if to towards target utterance direction the week side of boss
Loudspeaker send second audio signal opposite with the first audio signal phase, you can will scatter to the sound of target utterance direction the week side of boss
Sound is offset, and then reaches really orientation sounding.
In the present embodiment, the week side of boss of the sounding horn can include the left and right sides and/or up and down of the sounding horn
Both sides.During implementation, according to the difference in target utterance direction, the loudspeaker of at least side towards in sounding horn the week side of boss can be selected to send
Second audio signal.Illustrated below so that electronic equipment 100 is television set as an example.
As a kind of embodiment, the multiple loudspeaker can be set along an at least side for television set horizontal direction,
Under this situation, " the week side of boss of sounding horn " can be regarded as the left and right sides of sounding horn.
In actual applications, if the bedroom of user is located at the right side of television set, user arrives when seeing TV in order to avoid disturbing by making noise
The people rested in bedroom, it may be desirable to which television set is directionally towards left side sounding.In this situation, the target utterance direction
For the region on the left of television set, the sound scattered on the right side of television set only need to be eliminated.Accordingly, selected sounding horn and towards this
Sounding horn is sent after the first audio signal, can be sent and first audio signal towards the loudspeaker on the right side of the sounding horn
Second audio signal of opposite in phase.
In addition, in actual applications, the target utterance direction can also be relatively described television set some is specific
Direction or some smaller area, now need the canceling sound by the target utterance direction left and right sides is scattered to.That is, can court
The loudspeaker of the sounding horn left and right sides send the second audio signal.
As another embodiment, the multiple loudspeaker can be set along an at least side for television set vertical direction,
In this situation, " the week side of boss of sounding horn " can be regarded as the both sides up and down of sounding horn.
In actual applications, user can see TV (such as football match) in the time of having a rest sometimes, in order to avoid having influence on
The neighbours of levels, can only turn down volume, but can so make viewing experience poor.In this situation, target utterance direction is
Horizontal space region where the television set.For this situation, it can be sent towards the loudspeaker of sounding horn upside and/or downside
Second audio signal, to eliminate the sound for scattering on the upside of target utterance direction and/or downside, and then can avoid having influence on upstairs
And/or neighbours downstairs.
As another embodiment, as shown in figure 3, the multiple loudspeaker can also be simultaneously along the left and right sides of television set
And both sides are set up and down, thus, " the week side of boss of sounding horn " can be interpreted as to left side, right side, upside and the downside of sounding horn.
Thus, corresponding sounding horn can be chosen, and choose in the sounding horn the week side of boss extremely according to the difference in target utterance direction
The loudspeaker of few side are used as the loudspeaker for noise reduction.
Alternatively, as shown in Fig. 3 (a), the loudspeaker for being arranged at television set side can be one layer.Thus, TV can be realized
The orientation sounding or orientation sounding in vertical direction region in machine region in the horizontal direction.As shown in Fig. 3 (b), TV is arranged at
The loudspeaker on pusher side side can be two layers.Thus, the orientation in television set region and/or vertical direction region in the horizontal direction can be realized
Sounding.
Alternatively, in the present embodiment, should when sending the second audio signal to the loudspeaker of the sounding horn side
Side joint receive the loudspeaker of the second audio signal quantity can for one, two or more, the present embodiment is not restricted to this.
Also, the multiple outermost loudspeaker of loudspeaker can be used for noise reduction all the time.For example shown in Fig. 3, the loudspeaker at four drift angles
Can be not used in sounding.So, it is ensured that the sounding horn left and right sides and/or up and down both sides exist for noise reduction all the time
Loudspeaker.
Alternatively, the mode that the multiple loudspeaker are connected with electronic equipment 100 can have a variety of, accordingly, the sounding
The determination mode of loudspeaker can also have a variety of.For example, the multiple loudspeaker can be set towards different directions.In this setting
Under mode, the direction of the multiple loudspeaker can be fixed, and different mesh can be previously stored with the electronic equipment 100
Mark the corresponding relation between voice directions and the direction of each loudspeaker.Thus, the sounding horn can be determined according to following steps.
It regard the loudspeaker in the multiple loudspeaker towards the target utterance direction as the sounding horn.
It should be appreciated that being not necessarily referring to strictly towards the target " towards the target utterance direction " described in the present embodiment
Voice directions., also can be by the loudspeaker when the axis direction of loudspeaker is less than preset value with the angle in the target utterance direction
Direction is regarded as target utterance direction.The preset value can flexibly be set according to actual conditions situation, and the present embodiment is not limited
System.
Further, in the present embodiment, when the multiple loudspeaker are towards different directions, triggering orientation is sent out each time
Sound function, may have one, two or more target utterance directions.For each target utterance direction, the electronics is set
Standby 100 can choose the loudspeaker towards the target utterance direction as sounding horn, so as to obtain corresponding respectively to each target hair
Multiple sounding horns in sound direction.For each sounding horn, the electronic equipment 100 can send the first sound to the sounding horn
Frequency signal, also, send the second audio signal at least one loudspeaker of the sounding horn both sides.
It should be noted that when determining the quantity in target utterance direction, it shall be guaranteed that corresponding to for finally selecting is each
There are the loudspeaker for noise reduction in the sounding horn the week side of boss in target utterance direction.
Further, in the present embodiment, for each target utterance direction, the quantity of the sounding horn finally determined
Can also flexibly it set as the case may be.The side with the multiple loudspeaker along the horizontal direction of electronic equipment 100 is set below
Illustrate.For example shown in Fig. 4, it is assumed that there are target utterance direction S1 and loudspeaker A1, wherein, loudspeaker A1 axis direction is
L1.Assuming that target utterance direction S1 and loudspeaker A1 axis direction L1 angle is less than preset value, then the sounding loudspeaker finally determined
Be loudspeaker A1, the quantity of sounding horn is one.
Again for example shown in Fig. 5, it is assumed that there are target utterance direction S2, loudspeaker A1 and loudspeaker A2, wherein, loudspeaker A1 axis
Direction is L1, and loudspeaker A2 axis direction is L2.Wherein, target utterance direction S2 is located at loudspeaker A1 axis direction L1 and loudspeaker
Between A2 axis direction L2.Thus, can be by loudspeaker A1 and loudspeaker A2 collectively as the hair corresponding to target utterance direction S2
Horn, the quantity of sounding horn is two.
During implementation, the electronic equipment 100 can be at least one loudspeaker and at least the one of loudspeaker A2 on the left of loudspeaker A1
Individual loudspeaker send the second audio signal.
Again for example, in practical application, target utterance direction both can be some specific direction or some
The orientation of the relatively described electronic equipment 100 in region.In this situation, hair will can be used as towards multiple loudspeaker in the region
Horn, during implementation, the electronic equipment 100 sends the second audio at least one loudspeaker of multiple sounding horns at least side
Signal.
As shown in Figure 6, it is assumed that selection area S3 relative to electronic equipment 100 orientation as target utterance direction, wherein,
Loudspeaker A1, loudspeaker A2 and loudspeaker A3 in multiple loudspeaker of the electronic equipment 100 are towards region S3.In this situation
Under, the electronic equipment 100 can choose loudspeaker A1, loudspeaker A2 and loudspeaker A3 as the sounding corresponding to the target utterance direction
Loudspeaker.During implementation, the electronic equipment 100 can be at least one on the right side of at least one loudspeaker and loudspeaker A3 on the left of loudspeaker A1
Individual loudspeaker send the second audio signal, to eliminate the sound for scattering to the target utterance direction both sides.
Alternatively, the axis direction of the multiple loudspeaker can be parallel to each other, and the sounding horn can be the multiple
Centrally located loudspeaker in loudspeaker.As shown in fig. 7, before step S101, the orientation vocal technique can also include
Step S103.
Step S103：Each loudspeaker is controlled to turn to the target utterance direction.
It should be appreciated that in the present embodiment, the multiple loudspeaker are movably connected on electronic equipment 100, can be relative to electronics
Equipment 100 turns to multiple directions.The axis direction of the multiple loudspeaker is parallel to each other, it will be appreciated that turning for the multiple loudspeaker
Axis direction is kept to be parallel to each other during dynamic.
In this situation, odd number loudspeaker or even number loudspeaker centrally located in the multiple loudspeaker can be selected
Be used as the sounding horn.
Still by taking above-mentioned television set as an example, when the side of the multiple loudspeaker in the horizontal direction is set, if loudspeaker are total
For odd number, then centrally located odd number loudspeaker are selected as sounding horn.If loudspeaker sum is even number, select centrally located
Even number loudspeaker be used as sounding horn.When the side of the multiple loudspeaker vertically is set, the feelings with horizontal direction
Condition is similar.
, can be by the way of shown in Fig. 3 (b) when the multiple loudspeaker are set around the week side of boss of television set as shown in Figure 3, will
Two layers of setting of the multiple loudspeaker point, regard the loudspeaker of internal layer as sounding horn.That is, in the present embodiment, the sounding loudspeaker
Be predetermined, will not become with the change in target utterance direction.
During implementation, the multiple loudspeaker can be turned to target utterance direction, the difference further according to target utterance direction is selected
Selecting in sounding horn the week side of boss at least loudspeaker of side is used to eliminate the noise.It should be noted that in the present embodiment, being in sounding horn
" the week side of boss of sounding horn " referred in one's power in the case of multiple, it should be understood that this overall the week side of boss of multiple sounding horns.
Alternatively, in the present embodiment, the target utterance direction can pass through a determination in following steps.
Response first is operated, detection user position, the side by user position relative to the electronic equipment 100
To being used as the target utterance direction.
Wherein, first operation refers to the operation for opening orientation vocal function.When user opens the electronic equipment 100
Orientation vocal function after, the electronic equipment 100 can by human detection module detect user where position, and will detection
User position be used as the target utterance direction relative to the direction of electronic equipment 100.
It should be noted that in practical application, the size occupied by user position differs, therefore, the mesh
Voice directions are marked except representing some specific direction, the orientation where a certain region is also denoted as.
Response second is operated, and acquisition is used as the target utterance direction with the described second corresponding assigned direction of operation.
Wherein, the difference second that is stored with the electronic equipment 100 operation and the corresponding relation between different assigned directions.
Second operation can refer to user input or choose the operation of assigned direction.
Alternatively, as shown in figure 8, second audio signal can be obtained by step S201 and step S202.
Step S201：Anti-phase processing is carried out to first audio signal.
Step S202：Second audio signal is obtained according to the first audio signal after anti-phase processing.
When implementing, the sound that the sounding horn scatters to target utterance direction the week side of boss may decay, and described
The sound that sounding horn is sent is of different sizes., can after anti-phase processing is carried out to the first audio signal as a kind of embodiment
Power amplification further is carried out to the first audio signal after anti-phase processing, so that the amplitude size of the second audio signal is approximately equal to
The sounding horn scatters to the size of the sound of target utterance direction the week side of boss.
Alternatively, it can be according to default amplification coefficient to carry out power amplification to the first audio signal after anti-phase processing
Power amplification is carried out to the first audio signal, can also be realized by closed loop feedback system to the first audio signal after anti-phase
Amplification in real time, the present embodiment is without limitation.
As shown in figure 9, present pre-ferred embodiments also provide a kind of orientation sound-producing device 200, applied to the electricity shown in Fig. 1
Sub- equipment 100.The orientation sound-producing device 200 includes sounding module 210 and noise reduction module 220.
The sounding horn that the sounding module 210 is used for into the multiple loudspeaker sends the first audio signal.In this reality
Apply in example, the description as described in the sounding module 210 specifically refers to the detailed description to the step S101 as shown in Fig. 2,
That is, described step S101 can be performed by the sounding module 210.
The noise reduction module 220 is used for the loudspeaker transmission of at least side into the sounding horn the week side of boss and first sound
Second audio signal of the opposite in phase of frequency signal, the sounding horn is scattered to the sound of target utterance direction at least side
Sound is offset.
In the present embodiment, the description as described in the noise reduction module 220 is specifically referred to the step S102 shown in Fig. 2
Description.That is, the step S102 can be performed by the noise reduction module 220.
Alternatively, as shown in Figure 10, the orientation sound-producing device 200 can also include sounding horn determining module 230.
The sounding horn determining module 230 be used for by the multiple loudspeaker towards the target utterance direction loudspeaker
It is used as the sounding horn.
In the present embodiment, the description as described in the sounding horn determining module 230 is specifically referred in the above
Associated description, here is omitted.
Alternatively, as shown in figure 11, the orientation sound-producing device 200 can also include course changing control module 240.
The course changing control module 240 is used to control each loudspeaker to turn to the target utterance direction.In the present embodiment,
The description as described in the course changing control module 240 specifically refers to the associated description in the above, and here is omitted.
Alternatively, as shown in figure 12, the orientation sound-producing device 200 can also include the second audio signal acquisition module
250.The second audio signal acquisition module 250 can include anti-phase submodule 251 and signal transacting submodule 252.
Wherein, the anti-phase submodule 251 is used to carry out anti-phase processing to first audio signal.In the present embodiment
In, the description as described in the anti-phase submodule 251 specifically refers to the description to step S201 shown in Fig. 8, that is, the step
S201 can be performed by the anti-phase submodule 251.
The signal transacting submodule 252 is used to obtain second audio according to the first audio signal after anti-phase processing
Signal.
In the present embodiment, the description as described in the signal transacting submodule 252 is specifically referred to step as shown in Fig. 8
S202 detailed description, that is, the step S202 can be performed by the signal transacting submodule 252.
In summary, orientation vocal technique provided in an embodiment of the present invention, device and electronic equipment 100, by sounding
Loudspeaker send the first audio signal, and second audio opposite with the first audio signal phase is sent to the loudspeaker of sounding horn both sides
Signal, sounding horn is scattered to the canceling sound of target utterance direction at least side, so that electronic equipment 100 is realized very
Positive orientation sounding.
In several embodiments that the embodiment of the present invention is provided, it should be understood that disclosed apparatus and method, also may be used
To realize by another way.Apparatus and method embodiment described above is only schematical, for example, in accompanying drawing
Flow chart and block diagram show the device of multiple embodiments according to the present invention, the possibility of method and computer program product is realized
Architectural framework, function and operation.At this point, each square frame in flow chart or block diagram can represent module, a program
A part for section or code a, part for the module, program segment or code is used to realize defined patrol comprising one or more
Collect the executable instruction of function.It should also be noted that in some implementations as replacement, the function of being marked in square frame
Can be with different from the order marked in accompanying drawing generation.For example, two continuous square frames can essentially be held substantially in parallel
OK, they can also be performed in the opposite order sometimes, and this is depending on involved function.It is also noted that block diagram and/or
The combination of each square frame in flow chart and the square frame in block diagram and/or flow chart, can use function as defined in execution or dynamic
The special hardware based device made is realized, or can be realized with the combination of specialized hardware and computer instruction.
In addition, each functional module in each embodiment of the invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized using in the form of software function module and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Understood based on such, technical scheme is substantially in other words
The part contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are make it that a computer equipment (can be individual
People's computer, electronic equipment, or network equipment etc.) perform all or part of step of each of the invention embodiment methods described
Suddenly.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), deposit at random
Access to memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of key elements are not only including those key elements, but also including
Other key elements being not expressly set out, or also include for this process, method, article or the intrinsic key element of equipment.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, article or equipment in also there is other identical element.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. one kind orientation vocal technique, it is characterised in that applied to the electronic equipment of multiple loudspeaker is included, methods described includes：
Sounding horn into the multiple loudspeaker sends the first audio signal；
At least loudspeaker transmission and the second of the opposite in phase of first audio signal of side into the sounding horn the week side of boss
Audio signal, the sounding horn is scattered to the canceling sound of target utterance direction at least side.
2. orientation vocal technique according to claim 1, it is characterised in that the multiple loudspeaker are towards different directions, institute
Sounding horn is stated to determine by following steps：
It regard the loudspeaker in the multiple loudspeaker towards the target utterance direction as the sounding horn.
3. orientation vocal technique according to claim 1, it is characterised in that the axis direction of the multiple loudspeaker is mutually put down
OK, the sounding horn is loudspeaker centrally located in the multiple loudspeaker；
Before the step of sounding horn into the multiple loudspeaker sends the first audio signal, methods described also includes：
Each loudspeaker is controlled to turn to the target utterance direction.
4. the orientation vocal technique according to any one of claims 1 to 3, it is characterised in that the target utterance direction leads to
Cross following steps determination：
Response first is operated, detection user position, and the direction using user position relative to electronic equipment is as described
Target utterance direction；Or
Response second is operated, and acquisition is used as the target utterance direction, the electricity with the described second corresponding assigned direction of operation
The difference second that is stored with sub- equipment operation and the corresponding relation between different assigned directions.
5. the orientation vocal technique according to any one of claims 1 to 3, it is characterised in that second audio signal is led to
Cross following steps acquisition：
Anti-phase processing is carried out to first audio signal；
Second audio signal is obtained according to the first audio signal after anti-phase processing.
6. one kind orientation sound-producing device, it is characterised in that applied to the electronic equipment of multiple loudspeaker is included, the orientation sounding is filled
Put including：
Sounding module, the first audio signal is sent for the sounding horn into the multiple loudspeaker；
Noise reduction module, at least the loudspeaker of side to send the phase with first audio signal into the sounding horn the week side of boss
The second opposite audio signal of position, the sounding horn is scattered to the canceling sound of target utterance direction at least side.
7. orientation sound-producing device according to claim 6, it is characterised in that the multiple loudspeaker are towards different directions, institute
Stating orientation sound-producing device also includes：
Sounding horn determining module, for regarding the loudspeaker in the multiple loudspeaker towards the target utterance direction as the hair
Horn.
8. orientation sound-producing device according to claim 6, it is characterised in that the axis direction of the multiple loudspeaker is mutually put down
OK, the sounding horn is loudspeaker centrally located in the multiple loudspeaker, and the orientation sound-producing device also includes：
Course changing control module, for controlling each loudspeaker to turn to the target utterance direction.
9. the orientation sound-producing device according to any one of claim 6~8, it is characterised in that the orientation sound-producing device is also
Including the second audio signal acquisition module, the second audio signal acquisition module includes：
Anti-phase submodule, for carrying out anti-phase processing to first audio signal；
Signal transacting submodule, for obtaining second audio signal according to the first audio signal after anti-phase processing.
10. a kind of electronic equipment, it is characterised in that the electronic equipment includes memory, processor and multiple loudspeaker；
The memory is used for storage program；
The processor is used to call the program being stored in the memory, and perform claim requires the side described in 1~5 any one
Method.
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| CN201710335711.8A CN106954142A (en) | 2017-05-12 | 2017-05-12 | Orient vocal technique, device and electronic equipment |
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Application publication date: 20170714 |