CN107613432A - The volume adjustment device and volume adjusting method of a kind of intelligent terminal - Google Patents
The volume adjustment device and volume adjusting method of a kind of intelligent terminal Download PDFInfo
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Abstract
The invention provides a kind of volume adjustment device of intelligent terminal and volume adjusting method, the volume adjustment device includes：Operation module, including at least one receive a slide located at the intelligent terminal surface and with the sensor for going out acoustic aperture and laying side by side of the intelligent terminal, the sensor, produces a physical signalling；Detection module, it is connected with the operation module, the physical signalling is converted into an electric signal；Analysis module, it is connected with the detection module, identifies the direction of motion and move distance of the movement locus, the move distance is converted into a volume-leveling value according to a transformational relation；Volume adjusting module, it is connected with the analysis module, receives the volume-leveling value, the volume of acoustic aperture broadcasting is gone out described in regulation.Technical scheme is realized when intelligent terminal is in screen lock state, can equally realize the smooth control to volume；Change traditional button operation mode, enrich the operation selection of user.
Description
Technical field
The present invention relates to intelligent terminal field, more particularly to a kind of volume adjustment device of intelligent terminal and volume adjusting side
Method.
Background technology
The intelligent terminal, can be that smart mobile phone, tablet personal computer, multimedia player etc. possess volume playing function
Smart machine, can be with audio signals such as playing alert tones, music, video sound.Under different application scenarios, to the intelligence
The volume of terminal has a different requirements, such as in the environment of noise and excitement, the volume of the intelligent terminal should it is suitably larger with
Just user can hear；In a meeting, the volume of the intelligent terminal should be smaller, to disturb meeting；For different
People, the volume being adapted to are also different, and somebody is ear-sensitive, it is sufficient that less volume；Somebody's ear is inconvenient,
Need larger volume.In existing design, change the mode of mobile phone volume have it is following several:
1st, volume is changed by the APP or virtual volume key that play audio；
2nd, volume is changed by the volume control button of intelligent terminal side；
The key change volume carried when the 3rd, listening to audio using earphone with earphone.
But existing volume control mode still suffers from following problem：
1st, need to pick up intelligent terminal or make intelligent terminal be in bright screen state that volume control operations could be carried out, to
For be not very convenient；
2nd, the volume control mode that intelligent terminal puts out under screen state is changed according to the increment of acquiescence, fails to realize sound
The smooth control of amount.
Therefore how smooth control intuitively easy to operation is carried out to the volume of the intelligent terminal, being one needs to solve
Technical problem certainly.
The content of the invention
In order to overcome above-mentioned technological deficiency, it is an object of the invention to provide a kind of volume adjustment device of intelligent terminal and
Volume adjusting method, by laying the sensor that can receive slide, realization pair near acoustic aperture in going out for the intelligent terminal
The regulation of volume.
The first aspect of the present invention discloses a kind of volume adjustment device of intelligent terminal, the volume adjustment device bag
Include：
Operation module, including at least one go out acoustic aperture cloth arranged side by side located at the intelligent terminal surface and with the intelligent terminal
If sensor, the sensor receives a slide, identifies movement locus caused by the slide, produces a physics
Signal；
Detection module, in the intelligent terminal, is connected with the operation module, and the physical signalling is converted into one
Electric signal；
Analysis module, it is connected with the detection module, the direction of motion of the movement locus is identified according to the electric signal
And move distance, the move distance is converted into a volume adjusting according to a transformational relation defaulted in the intelligent terminal
Value；
Volume adjusting module, it is connected with the analysis module, receives the volume-leveling value, acoustic aperture broadcasting is gone out described in regulation
Volume.
In some embodiments of the application first aspect, the sensor is pressure sensor or capacitance sensor.
In some embodiments of the application first aspect, the induction region of the sensor is strip, the sense
The length-width ratio in region is answered to be more than 4:1.
In some embodiments of the application first aspect, when the analysis module changes the volume-leveling value, when
When the direction of motion defaults in first direction of motion in the intelligent terminal for one, the volume-leveling value is set for just
Number；When the direction of motion defaults in second direction of motion in the intelligent terminal for one, the volume-leveling value is set
For negative.
In some embodiments of the application first aspect, when the analysis module changes the volume-leveling value, institute
It is a proportionality coefficient to state transformational relation, and the move distance is multiplied by the proportionality coefficient and obtains the volume-leveling value.
In some embodiments of the application first aspect, the acoustic aperture that goes out of the intelligent terminal is two, the sensing
Device be two, respectively with it is described go out acoustic aperture lay side by side；The volume adjusting module identification receives the sensing of the slide
Device, adjust the volume for going out acoustic aperture corresponding to the sensor.
In some embodiments of the application first aspect, the volume adjusting module includes power amplifier, according to institute
The magnification ratio that volume-leveling value adjusts the power amplifier is stated, realizes the regulation to volume.
The second aspect of the application, a kind of volume adjusting method of intelligent terminal is disclosed, is comprised the following steps：
One receives one located at the intelligent terminal surface and with the sensor that acoustic aperture lays side by side that goes out of the intelligent terminal
Slide, produce the physical signalling of a movement locus for recording the slide；
The physical signalling is converted to an electric signal by the detection module；
The analysis module judges the direction of motion and move distance of the movement locus, and the intelligence is defaulted according to one
The move distance is converted to a volume-leveling value by the transformational relation in terminal；
The volume adjusting module goes out the volume of acoustic aperture broadcasting according to being adjusted the volume-leveling value.
In some embodiments of the application second aspect, the analysis module judges the motion side of the movement locus
To and move distance, according to a transformational relation defaulted in the intelligent terminal by the move distance be converted to a volume adjust
The step of section value, includes：
The analysis module judges the motion according to the time order and function order of the electric signal obtained from the detection module
The initial point position of track and terminating point position；
Utilize the direction of motion and move distance of movement locus described in the initial point position and terminating point position judgment；
The move distance is multiplied by a proportionality coefficient and obtains the volume-leveling value；
When the direction of motion is first direction of motion, it is positive number to set the volume-leveling value, when the fortune
When dynamic direction is second direction of motion, it is negative to set the volume-leveling value.
In some embodiments of the application second aspect, the volume adjusting module is adjusted according to the volume-leveling value
The step of volume for going out acoustic aperture broadcasting described in section, includes：
Volume value in the volume-leveling value and the volume adjusting module is summed, obtains a summed result；
Judge the summed result whether beyond default volume value scope in the intelligent terminal；
If the summed result exceeds the volume value scope, the side that the volume value is the volume value scope is adjusted
Dividing value；
If the summed result is without departing from the volume value scope, using the summed result as new volume value；
Go out acoustic aperture according to controlling volume value and play sound.
After employing above-mentioned technical proposal, compared with prior art, have the advantages that：
1. mode of operation is simply direct, to user intuitively to change the sensation of volume；
2. when intelligent terminal is in screen lock state, the same smooth control that can be realized to volume；
3. changing traditional button operation mode, the operation selection of user is enriched.
Brief description of the drawings
Fig. 1 is the block diagram for meeting the volume adjustment device of intelligent terminal in one embodiment of the present invention；
Fig. 2 is the structural representation for meeting the volume adjustment device of intelligent terminal in one embodiment of the present invention；
Fig. 3 is the structural representation for meeting the volume adjustment device of intelligent terminal in another preferred embodiment of the present invention；
Fig. 4 is the schematic flow sheet for meeting the volume adjusting method of intelligent terminal in one embodiment of the present invention；
Fig. 5 is the idiographic flow schematic diagram for meeting step S103 in Fig. 4 in another preferred embodiment of the present invention；
Fig. 6 is the idiographic flow schematic diagram for meeting step S104 in Fig. 4 in another preferred embodiment of the present invention.
Reference：
10- sound volume control devices, 11- operation modules, 12- detection modules, 13- analysis modules, 14- volume adjusting modules,
20- intelligent terminals, 21- go out acoustic aperture, 22- sensors.
Embodiment
Advantages of the present invention is expanded on further below in conjunction with accompanying drawing and specific embodiment.
In described below, refer to the attached drawing, accompanying drawing describes some embodiments of the application.It should be appreciated that also it can be used
Other embodiment, and can be carried out in the case of without departing substantially from spirit and scope of the present disclosure mechanical composition, structure, electrically with
And the detailed description below operational change should not be considered limiting, and the scope of embodiments herein
Only terms used herein are limited by the claims for the patent announced merely to describing specific embodiment, and be not
It is intended to limit the application.The term of space correlation, for example, " on ", " under ", "left", "right", " following ", " lower section ", " bottom ",
" top ", " top " etc., it can use in the text in order to illustrate an element shown in figure or feature and another element or spy
The relation of sign.
Furthermore as used in herein, singulative " one ", "one" and "the" are intended to also include plural shape
Formula, unless having opposite instruction in context it will be further understood that term "comprising", " comprising " show described spy be present
Sign, step, operation, element, component, project, species, and/or group, but it is not excluded for other one or more features, step, behaviour
Work, element, component, project, the presence of species, and/or group, appearance or addition term "or" used herein and "and/or" quilt
It is construed to inclusive, or means any one or any combinations therefore, " A, B or C " or " A, B and/or C " mean
" it is following any one：A；B；C；A and B；A and C；B and C；A, B and C " are only when element, function, step or the combination of operation are at certain
When inherently mutually exclusive under a little modes, the exception of this definition just occurs.
Refering to Fig. 1, to meet the block diagram of the volume adjustment device of intelligent terminal in one embodiment of the present invention, the sound
Quantity regulating device 10 includes：
Operation module 11
Operation module 11, including at least one go out acoustic aperture located at the surface of intelligent terminal 20 and with the intelligent terminal 20
21 sensors 22 laid side by side, the sensor 22 receive a slide, identify motion rail caused by the slide
Mark, produce a physical signalling.Sensor 22 in the operation module 11 is the part directly contacted with user, and user can be to institute
State sensor 22 and the operation such as touched, pressed, slided.It is described go out acoustic aperture 21 for the intelligent terminal 20 be used for play sound
Structure, existing intelligent terminal 20 is often designed as the housing of integral type, and loudspeaker is placed in enclosure interior, in order to obtain preferably
Sound result of broadcast, several apertures through housing are laid on the housing of the intelligent terminal 20, as going out acoustic aperture 21.Institute
The distributed areas for stating out acoustic aperture 21 are often designed to strip or circle, the sensor 22 be laid in it is described go out acoustic aperture 21 it is attached
Closely, in juxtaposition.The sensor 22 can identify the sensor type that slide outside operates, such as pressure sensing
Device, capacitance sensor etc..The chief component of such as piezoresistive pressure sensor is metal resistance strain gauge again, the metal
The operation principle of resistance strain gage is the phenomenon that absorption strain resistor on matrix material produces change in resistance with mechanical deformation,
It is commonly called as resistance strain effect.Such as diffusion silicon pressure sensor operation principle is also based on piezoresistive effect again, is imitated using pressure drag
Principle is answered, the pressure of measured medium directly acts on the diaphragm of sensor (stainless steel or ceramics), makes diaphragm generation and medium
The directly proportional micro-displacement of pressure, makes the resistance value of sensor change, and detects this change using electronic circuit, and change defeated
Go out a canonical measure signal for corresponding to this pressure.
The surface of the sensor 22 is provided with the induction region of certain size, and the induction region receives slide outside
Operation, and the induction region can recognize that the movement locus of slide.Because the induction region is by multiple sensing unit groups
Into, therefore the slide can cause physical change on multiple sensing units, form physical signalling.Each sensing unit
Position is fixed, therefore also can be by the positional information and physics of sensing unit during the identification physical signalling of the detection module 12
The change of signal records together.Such as the array that capacitance sensor, its sensing part are made up of multiple capacitive sensing points,
What the coordinate of each capacitive sensing point was to determine, as long as detecting which capacitive sensing point, there occurs capacitance variations, you can knows
There occurs peripheral operation at the position.
In addition to the sensor 22, the operation module 11 also includes the parts such as auxiliary fixation means, rat tail, uses
In the sensor 22 is fixed on into the surface of intelligent terminal 20, and physical signalling caused by the sensor 22 is passed to
The detection module 12.
Detection module 12
Detection module 12, in the intelligent terminal 20, it is connected with the operation module 11, the physical signalling is turned
It is changed to an electric signal.The change of physical signalling such as pressure change, resistance or electric capacity can not caused by the operation module 11
Directly identified by the intelligent terminal 20, it is also necessary to be further converted into recognizable electric signal.The detection module 12 be with
The sensor circuit or modulate circuit that the operation module 11 matches, for different sensor types, the detection module 12
Circuit types it is also different.Such as sensor sensing external pressure, generation physical signalling is resistance variations, the detection mould
The region that resistance variations occur is connected constant-current source by block 12, constant current caused by the constant-current source is flowed through the region and is produced
One potential difference, the potential difference are analog quantity, and different potential differences can reflect the change of pressure.The detection module 12 may be used also
Including AD conversion unit, the potential difference is converted into digital quantity, so that analysis module 13 obtains the digital quantity and carries out
The calculating processing of software view.For the sensing unit of the different zones of sensor 22, the detection module 12 can be by its turn
Different electric signals is changed to, such as analog-to-digital conversion is accessed after the output signal of different sensing units being converted into analog signal
The different input channels of device, you can obtain different digital quantity signals；For example set covering whole for capacitance sensor again
The electric field of the induction region of sensor 22, different contact positions produce the different electric current of intensity.
Analysis module 13
Analysis module 13, it is connected with the detection module 12, the motion of the movement locus is identified according to the electric signal
Direction and move distance, the move distance is converted into a sound according to a transformational relation defaulted in the intelligent terminal 20
Measure regulated value.The analysis module 13 obtains the telecommunications for the movement locus for reflecting the slide from the detection module 12
Number, the electric signal can reflect the direction of motion and move distance of the movement locus.User performs on the sensor 22
During slide, the position contacted first is the original position of the movement locus, is then touched along with the slip of contact site
The sensing for the sensing unit for sending out described on sensor 22 on a continuum, finally when user terminate slide disengaging with it is described
During the contact of sensor 22, the region finally contacted is the final position of the movement locus.It can be seen that the slide has
Time attribute, the sensor 22 produce physical signalling to different contact positions respectively sequentially in time, are not a flash
Between physical signalling corresponding to the whole movement locus of touch operation is all sent to the detection module 12, but continuously generate anti-
Answer the physical signalling of different contact position.Therefore the analysis module 13 from the detection module 12 obtain the electric signal when,
Obtain successively sequentially in time and reflect the original position until the electric signal of final position.Preset in the analysis module 13
There is the coordinate parameters value of the electric signal of reaction diverse location, you can the information of the electric signal is converted into coordinate parameters；To institute
State the coordinate position set that continuous electric signal caused by slide can be exchanged into the reflection movement locus, each coordinate bit
Put with time attribute.The analysis module 13 is according to the coordinate points of original position in the coordinate position set of the movement locus
And the coordinate points of final position can calculate the distance between two positions, i.e., the move distance of described movement locus.Move distance
Calculation refer to 2 points in plane space of air line distance algorithm, such as starting position coordinates are A (x1,y1), stop bit
It is set to B (x2,y2), then move distance isSimilarly, according to the coordinate points and stop bit of original position
The coordinate points put can obtain the direction of motion of the movement locus, and the coordinate of final position need to only be subtracted to the coordinate of original position
An i.e. available vector (x2-x1,y2-y1), as the direction of motion.Prestored in the analysis module 13 it is described motion away from
From the transformational relation with volume-leveling value, volume-leveling value can be calculated according to the transformational relation after obtaining move distance.
The volume-leveling value is the numerical value that volume value is adjusted, and can be positive number, represents increase volume value or bears
Number, represent to reduce volume value.It is general to use a volume value to be identified as volume for digitized music player devices,
So that user is visually known volume status and controls.The setting of the transformational relation, for example, set effect slides behaviour to be described
The move distance of work is directly proportional to volume change, then the transformational relation is a proportionality coefficient, and the move distance is multiplied by into institute
State proportionality coefficient and can obtain the volume-leveling value.Increasing of the effect as the move distance with slide is for example set again
Long, the change of volume is more and more violent, then the transformational relation is square operation relation or cube operation relation, i.e., described fortune
Squared value or cube value is as the volume-leveling value after dynamic distance is multiplied by a coefficient, then the move distance is longer, institute
The scope for stating volume adjusting is bigger.
Volume adjusting module 14
Volume adjusting module 14, it is connected with the analysis module 13, receives the volume-leveling value, go out acoustic aperture described in regulation
21 volumes played.The volume adjusting module 14 receives the volume-leveling value from the analysis module 13, and to sound
Amount is adjusted.The volume-leveling value is added by the volume adjusting module 14 with current volume value first, and it is new to obtain one
Volume value, then according to the new volume value broadcast sound volume.The volume adjusting module 14 adjusts the implementation of volume
Can be that the volume value is converted into an analog quantity by digital-to-analogue conversion, by this analog output to the intelligent terminal 20
The magnification ratio control terminal of power amplification circuit, change the magnification ratio of audio input signal, you can realize the control to volume.
The implementation that the volume adjusting module 14 adjusts volume can also be to the amplitude of the audio signal according to the volume
Value is adjusted, and changes the amplitude size of the audio signal inputted in the power amplifier, so as to realize the effect of regulation volume.
Due to the intelligent terminal 20 sound by it is described go out acoustic aperture play, i.e., described volume adjusting module 14 have adjusted it is described go out acoustic aperture
21 volumes played.
In some embodiments of the application first aspect, the sensor 22 is pressure sensor or capacitance sensing
Device.The present embodiment has been carried out preferably to the species of the sensor 22, i.e. pressure sensor or capacitance sensor.The pressure passes
The pressure conversion is recognizable physical signalling in the pressure on sensor by recognition reaction by sensor, such as resistance value,
Further it can be identified and be handled by other modules.Because technique is different, the type of the pressure sensor can be divided further, such as
Piezoresistive pressure sensor, using resistance strain effect, pressure change is converted into the change of resistance value.Capacitance sensor, it is
The sensor that a kind of touch operation by user is embodied with the change of electric capacity, it is mainly by upper and lower two electrode, insulator, lining
Bottom is formed, and when user touches, upper and lower stage distance changes, and causes capacitance variations.
In some embodiments of the application first aspect, the volume adjusting module 14 includes power amplifier, according to
The volume-leveling value adjusts the magnification ratio of the power amplifier, realizes the regulation to volume.The power amplifier is power
Amplifying circuit, the amplitude of an input signal can be amplified according to a magnification ratio, the input of power amplifier described in the present embodiment
Signal is audio signal, and output signal is the audio signal after amplification, is exported to loudspeaker.The power amplifier can by one-level or
Multistage triode is formed.The base stage of the triode is control terminal, and the volume value is passed through number by the volume adjusting module 14
Mould accesses the control terminal after being converted to analog quantity, realizes the effect for controlling the power amplifier magnification ratio.
In some embodiments of the application first aspect, when the analysis module 13 changes the volume-leveling value,
The transformational relation is a proportionality coefficient, and the move distance is multiplied by the proportionality coefficient and obtains the volume-leveling value.This reality
Apply example to optimize the transformational relation, move distance relation proportional to volume-leveling value, the transformational relation is
One proportionality coefficient.When calculating the volume-leveling value, it is multiplied by the proportionality coefficient with the move distance and obtains.Such as the fortune
Dynamic distance is 100, and the proportionality coefficient is 0.3, then the volume-leveling value is 30.
Refering to Fig. 2, to meet the structural representation of the volume adjustment device 10 of intelligent terminal in one embodiment of the present invention
Figure, as can be seen from the figure it is described go out acoustic aperture 21 be located at the intelligent terminal 20 back bottom, be distributed in strip.The biography
Sensor 22 with it is described go out acoustic aperture 21 lay side by side, it is also elongated, user carry out slide when can be along the long side of strip
Direction is horizontally slipped.
In some embodiments of the application first aspect, the induction region of the sensor 22 is strip, described
The length-width ratio of induction region is more than 4:1.The present embodiment carries out preferred, the induction region to the induction region of the sensor 22
For strip, and length-width ratio is more than 4:1, such as the long side is 3 centimetres, the short side is 0.5 centimetre, and meeting length-width ratio will
Ask.
In some embodiments of the application first aspect, when the analysis module 13 changes the volume-leveling value,
When the direction of motion be one default in first direction of motion in the intelligent terminal 20 when, set the volume-leveling value to be
Positive number；When the direction of motion defaults in second direction of motion in the intelligent terminal 20 for one, the volume is set to adjust
Section value is negative.The present embodiment defines two directions of motion of the slide, i.e. first direction of motion and the second motion
Direction.In fig. 2, first direction of motion is slides along the strip induction region from left to right, second motion
Direction is opposite with first direction of motion.When the direction of motion of the slide is identical with first direction of motion,
It is positive number, i.e. amplification of volume that the analysis module 13, which sets the volume-leveling value,；When the slide the direction of motion with
When second direction of motion is identical, it is negative that the analysis module 13, which sets the volume-leveling value, that is, reduces volume.
Refering to Fig. 3, to meet the structural representation of the volume adjustment device of intelligent terminal in another preferred embodiment of the present invention
Figure, the intelligent terminal 20 go out acoustic aperture 21 for two, and the sensor 22 is two, respectively with it is described go out 21 cloth arranged side by side of acoustic aperture
If.The intelligent terminal 20 except overleaf bottom go out acoustic aperture 21 in addition to, one is additionally provided with side and goes out acoustic aperture 21.Correspondingly,
It is each go out acoustic aperture 21 nearby side by side lay a sensor 22.In the present embodiment, described in the identification of volume adjusting module 14 reception
The sensor 22 of slide, adjust the volume for going out acoustic aperture corresponding to the sensor 22.I.e. user passes to one of
When sensor 21 implements slide, the volume adjusting module 14 adjusts the volume for going out acoustic aperture of laying corresponding with the sensor.
When the sensor 21 is to the detection module 12 transmission physical signalling, the detection module 12 identifies the sensor 21
Mark, and sends the electric signal containing the identification information to the analysis module 13, and the final analysis module 13 is to institute
When stating the transmission volume-leveling value of volume adjusting module 14, while the identification information is sent, the basis of volume adjusting module 14
The identification information selection goes out power amplifier corresponding to acoustic aperture 21 and carries out volume adjusting accordingly.
Refering to Fig. 4, to meet the schematic flow sheet of the volume adjusting method of intelligent terminal in one embodiment of the present invention,
The volume adjusting method, comprises the following steps：
S101：One located at the surface of intelligent terminal 20 and with the biography for going out acoustic aperture 21 and laying side by side of the intelligent terminal 20
Sensor 22 receives a slide, produces the physical signalling of a movement locus for recording the slide.
The surface of intelligent terminal 20 is provided with sensor 22, the sensor 22 with it is described go out acoustic aperture 21 lay side by side.When
When user performs a slide to the sensor 22, the slide leaves a motion rail on the sensor 22
Mark.The sensor 22 produces a physical signalling for recording the movement locus, and the physical signalling is according to the slide
Execution persistently produce, reflect overall process of the motion track from original position to final position.The physical signalling according to
Can be the physical signallings such as resistance, electric capacity depending on the type of the sensor 22.
S102：The physical signalling is converted to an electric signal by the detection module 12.
The detection module 12 obtains the physical signalling from the sensor 22, passes through the sense in the detection module 12
Answer circuit or modulate circuit that the physical signalling is converted into electric signal.When the detection module 12 forms the electric signal, also
It has recorded the positional information of the movement locus of the slide.The detection module 12 forms digital quantity by analog-digital converter
Electrical signal information, so that subsequent step carries out analysis calculating.
S103：The analysis module 13 judges the direction of motion and move distance of the movement locus, is defaulted according to one
The move distance is converted to a volume-leveling value by the transformational relation in the intelligent terminal.
The analysis module 13 receives the electric signal that the detection module 12 is sent sequentially in time, is carried so as to obtain
The electric signal containing the movement locus positional information of time attribute.The analysis module 13 is by the position in the electric signal
Information resolves to a coordinate point set according to the coordinate parameters value table of the electric signal of a default reaction diverse location.Each of which
Coordinate points have a time attribute, and time most forward coordinate points are the starting position coordinates of the movement locus, and the time most leans on
Coordinate points afterwards are the final position coordinate of the movement locus.According to the starting position coordinates and final position coordinate meter
The air line distance between two coordinate points is calculated, as described move distance.The final position coordinate is subtracted into the original position
Coordinate obtains a vector, i.e., the described direction of motion.The move distance and volume-leveling value are preset with the analysis module 13
Transformational relation, volume-leveling value can be calculated according to the transformational relation after obtaining move distance.The transformational relation can
To be linear proportionate relationship, can also non-linear hour functional relation.Volume value is adjusted for the volume-leveling value
Numerical value, can be positive number, represent increase volume value or negative, represent to reduce volume value.
S104：The volume adjusting module 14 goes out giving great volume for the broadcasting of acoustic aperture 21 according to being adjusted the volume-leveling value
It is small.
The volume adjusting module 14 receives the volume-leveling value from the analysis module 13, and volume is adjusted
Section.The volume-leveling value is added by the volume adjusting module 14 with current volume value first, obtains a new volume value,
Then according to the new volume value broadcast sound volume.Due to the intelligent terminal 20 sound by it is described go out acoustic aperture play, i.e. institute
State volume adjusting module 14 have adjusted it is described go out acoustic aperture 21 play volume.The volume adjusting module 14 adjusts volume
Implementation can be that the volume value is converted into an analog quantity by digital-to-analogue conversion, by this analog output to the intelligence
The magnification ratio control terminal of the power amplification circuit of terminal 20, change the magnification ratio of audio input signal, you can realize to sound
The control of amount.The volume adjusting module 14 adjust volume implementation can also be to the amplitude of the audio signal according to
The volume value is adjusted, and changes the amplitude size of the audio signal inputted in the power amplifier, so as to realize regulation sound
The effect of amount.
Refering to Fig. 5, to meet the idiographic flow schematic diagram of step S103 in Fig. 4 in another preferred embodiment of the present invention, institute
Stating step S103 includes：
S103-1：The analysis module 13 is sentenced according to the time order and function order of the electric signal obtained from the detection module 12
The initial point position of the disconnected movement locus and terminating point position.
For user when performing slide on the sensor 22, the position contacted first is the starting of the movement locus
Position, then along with the sensing of the sensing unit on a continuum on sensor described in the slide trigger of contact site 22,
Finally when user, which terminates slide, departs from the contact with the sensor 22, the region finally contacted is the movement locus
Final position.It can be seen that the slide has time attribute, the sensor 22 is sequentially in time respectively to different
Contact position produces physical signalling, is not that physical signalling corresponding to the whole movement locus of touch operation is all sent in a flash
To the detection module 12, but continuously generate the physical signalling of reaction different contact position.Therefore the analysis module 13 from
When the detection module 12 obtains the electric signal, obtain successively reflect the original position until stop bit sequentially in time
The electric signal put, i.e., the electric signal obtained at first are the initial point position, and the electric signal finally obtained is the terminating point position
Put.
S103-2：Utilize the direction of motion of movement locus and motion described in the initial point position and terminating point position judgment
Distance.
The coordinate parameters value of the electric signal of reaction diverse location is preset with the analysis module 13, you can by the telecommunications
Number information be converted to coordinate parameters；The one reflection motion rail can be exchanged into continuous electric signal caused by the slide
The coordinate position set of mark, each coordinate position have time attribute.The analysis module 13 is according to the seat of the movement locus
The coordinate points of original position and the coordinate points of final position can calculate the air line distance between two positions in cursor position set, i.e.,
The move distance of the movement locus.The final position coordinate is subtracted into the starting position coordinates and obtains a vector, be i.e. institute
State the direction of motion.
S103-3：The move distance is multiplied by a proportionality coefficient and obtains the volume-leveling value.
In this step, prestored a proportionality coefficient in the analysis module 13, and the move distance is multiplied by into the ratio system
Number, obtains the volume-leveling value.Such as the move distance is 100, the proportionality coefficient is 0.3, then the volume adjusting
It is worth for 30.
S103-4：When the direction of motion is first direction of motion, it is positive number to set the volume-leveling value, when
When the direction of motion is second direction of motion, it is negative to set the volume-leveling value.
This step sets the positive and negative of the volume-leveling value according to the direction of motion.First direction of motion and the second motion
Whether direction is the vector being pre-stored in the analysis module 13, then compared with being all the direction of motion of vector, see identical.
When judging the direction of motion, it is contemplated that allow certain deviation, preferable deviation range is 15 °, only need to calculate the motion
Whether direction is less than or equal to 15 ° with the first direction or the angle of second direction.The volume-leveling value is set to be
During positive number, the volume-leveling value is taken absolute value；When to set the volume-leveling value be negative, to the volume adjusting
After value takes absolute value, then the volume-leveling value after taking absolute value is subtracted with zero.
Refering to Fig. 6, to meet the idiographic flow schematic diagram of step S104 in Fig. 4 in another preferred embodiment of the present invention, institute
Stating step S104 includes：
S104-1：Volume value in the volume-leveling value and the volume adjusting module is summed, obtains a summation knot
Fruit.
This step performs sum operation, and the volume-leveling value and the volume value in the volume adjusting module 14 are asked
With obtain a numerical value, as described summed result.Such as the volume-leveling value is 30, the volume value is 20, then summation knot
Fruit is 50.
S104-2：Judge the summed result whether beyond default volume value scope in the intelligent terminal.
This step is judged the obtained summed results of the step S104-1, judges whether the summed result exceeds
One volume value scope.For an intelligent terminal 20, its volume played should be in an OK range, i.e., from Jing Yin to most
Big volume, corresponding volume value are zero to max volume value, such as the scope of the volume value is 0-100.Due to the volume
Regulated value determines according to the distance of the transformational relation and movement locus, its numerical values recited and positive and negative situation all it is possible that
A variety of extreme cases, it is therefore necessary to judged, in case last volume value goes beyond the scope.
S104-3：If the summed result exceeds the volume value scope, it is the volume value to adjust the volume value
The boundary value of scope.
It is the situation when summed result exceeds the volume value scope that this step, which performs judged result,.Such as described ask
It is -10 or 130 with result, not in the range of the volume value, then adjusts the side that the volume value is the volume value scope
Dividing value.If such as the summed result is negative, it is 0 to make the volume value, represents mute state；If the summed result surpasses
100 are crossed, then it is 100 to adjust the volume value, is max volume state.The practical significance of this step be when the volume value by
When being changed according to the control of the slide, it is changed to boundary value and just no longer changes, in order to avoid go beyond the scope.
S104-4：If the summed result is without departing from the volume value scope, using the summed result as new sound
Value.
This step perform judged result be the summed result without departing from the volume value scope when situation.It is such as described
Summed result is any value in 0-100, then in the range of the volume value, then using the summed result as new volume value.
S104-5：Go out acoustic aperture 21 according to controlling volume value and play sound.
The step S104-3 or step S104-4 perform this step after being finished.This step according to step S104-3 or
Go out acoustic aperture 21 described in the volume value control that step S104-4 is obtained and play sound.Because the sound of the intelligent terminal 20 is by described
Go out acoustic aperture broadcasting, i.e., described volume adjusting module 14 have adjusted it is described go out acoustic aperture 21 play volume.The realization of this step,
The volume value is converted into an analog quantity by digital-to-analogue conversion, the power of this analog output to the intelligent terminal 20 is put
The magnification ratio control terminal of big circuit, change the magnification ratio of audio input signal, you can realize the control to volume.This step
Implementation can also be the amplitude of the audio signal is adjusted according to the volume value, change the power amplifier
The amplitude size of the audio signal of middle input, so as to realize the effect of regulation volume.
It should be noted that embodiments of the invention have preferable implementation, and not the present invention is made any type of
Limitation, any one skilled in the art change or are modified to possibly also with the technology contents of the disclosure above equivalent effective
Embodiment, as long as without departing from the content of technical solution of the present invention, above example is made according to technical spirit of the invention
Any modification or equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of volume adjustment device of intelligent terminal, it is characterised in that the volume adjustment device includes：
Operation module, including at least one go out what acoustic aperture was laid side by side located at the intelligent terminal surface and with the intelligent terminal
Sensor, the sensor receive a slide, identify movement locus caused by the slide, produce physics letter
Number；
Detection module, in the intelligent terminal, is connected with the operation module, and the physical signalling is converted into a telecommunications
Number；
Analysis module, it is connected with the detection module, the direction of motion and fortune of the movement locus is identified according to the electric signal
Dynamic distance, a volume-leveling value is converted to according to a transformational relation defaulted in the intelligent terminal by the move distance；
Volume adjusting module, it is connected with the analysis module, receives the volume-leveling value, the sound of acoustic aperture broadcasting is gone out described in regulation
Measure size.
2. volume adjustment device as claimed in claim 1, it is characterised in that
The sensor is pressure sensor or capacitance sensor.
3. volume adjustment device as claimed in claim 2, it is characterised in that
The induction region of the sensor is strip, and the length-width ratio of the induction region is more than 4:1.
4. the volume adjustment device as described in claim any one of 1-3, it is characterised in that
When the analysis module changes the volume-leveling value, when the direction of motion is defaulted in the intelligent terminal for one
During first direction of motion, it is positive number to set the volume-leveling value；When the direction of motion defaults in the intelligent terminal for one
During interior second direction of motion, it is negative to set the volume-leveling value.
5. the volume adjustment device as described in claim any one of 1-3, it is characterised in that
When the analysis module changes the volume-leveling value, the transformational relation is a proportionality coefficient, and the move distance multiplies
The volume-leveling value is obtained with the proportionality coefficient.
6. the volume adjustment device as described in claim any one of 1-3, it is characterised in that
The intelligent terminal goes out acoustic aperture for two, and the sensor is two, respectively with it is described go out acoustic aperture lay side by side；
The volume adjusting module identification receives the sensor of the slide, adjusts and goes out acoustic aperture corresponding to the sensor
Volume.
7. the volume adjustment device as described in claim any one of 1-3, it is characterised in that
The volume adjusting module includes power amplifier, and the amplification ratio of the power amplifier is adjusted according to the volume-leveling value
Example, realizes the regulation to volume.
8. a kind of volume adjusting method of intelligent terminal, it is characterised in that comprise the following steps：
One receives one and slides located at the intelligent terminal surface and with the sensor that acoustic aperture lays side by side that goes out of the intelligent terminal
Operation, produce the physical signalling of a movement locus for recording the slide；
The physical signalling is converted to an electric signal by the detection module；
The analysis module judges the direction of motion and move distance of the movement locus, and the intelligent terminal is defaulted according to one
The move distance is converted to a volume-leveling value by interior transformational relation；
The volume adjusting module goes out the volume of acoustic aperture broadcasting according to being adjusted the volume-leveling value.
9. volume adjusting method as claimed in claim 8, it is characterised in that
The analysis module judges the direction of motion and move distance of the movement locus, and the intelligent terminal is defaulted according to one
The step of move distance is converted to a volume-leveling value by interior transformational relation includes：
The analysis module judges the movement locus according to the time order and function order of the electric signal obtained from the detection module
Initial point position and terminating point position；
Utilize the direction of motion and move distance of movement locus described in the initial point position and terminating point position judgment；
The move distance is multiplied by a proportionality coefficient and obtains the volume-leveling value；
When the direction of motion is first direction of motion, it is positive number to set the volume-leveling value, when the motion side
To for second direction of motion when, it is negative to set the volume-leveling value.
10. volume adjusting method as claimed in claim 8 or 9, it is characterised in that
The volume adjusting module according to the volume-leveling value adjust described in go out acoustic aperture broadcasting volume the step of include：
Volume value in the volume-leveling value and the volume adjusting module is summed, obtains a summed result；
Judge the summed result whether beyond default volume value scope in the intelligent terminal；
If the summed result exceeds the volume value scope, the border that the volume value is the volume value scope is adjusted
Value；
If the summed result is without departing from the volume value scope, using the summed result as new volume value；
Go out acoustic aperture according to controlling volume value and play sound.
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|---|---|---|---|
| CN201710810928.XA CN107613432A (en) | 2017-09-11 | 2017-09-11 | The volume adjustment device and volume adjusting method of a kind of intelligent terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710810928.XA CN107613432A (en) | 2017-09-11 | 2017-09-11 | The volume adjustment device and volume adjusting method of a kind of intelligent terminal |
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| CN107613432A true CN107613432A (en) | 2018-01-19 |
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| CN108289270A (en) * | 2018-02-06 | 2018-07-17 | 维沃移动通信有限公司 | A kind of loud speaker and mobile terminal |
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Application publication date: 20180119 |