CN102238464A - Method and device for adjusting volume balance - Google Patents
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- CN102238464A CN102238464A CN2010101691742A CN201010169174A CN102238464A CN 102238464 A CN102238464 A CN 102238464A CN 2010101691742 A CN2010101691742 A CN 2010101691742A CN 201010169174 A CN201010169174 A CN 201010169174A CN 102238464 A CN102238464 A CN 102238464A
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Abstract
The invention provides a method and device for adjusting volume balance, used for adjusting the volume balance of a sound system. The sound system comprises at least two sound sources, and the position of the maximum volume point of the sound system is an original point. The method comprises the following steps: acquiring a target position; determining an adjustment vector and the sound source vector of each sound source, wherein the adjustment vector is a vector when the original point directs to the target position, and the sound source vector is a vector when the original point directs to a sound source; and keeping the volume of the sound source to which the adjustment vector is inclined unchanged and turning down the volumes of the rest sound sources, wherein the included angle between the sound source vector of the sound source to which the adjustment vector is inclined and the adjustment vector is less than or equal to the included angles between the adjustment vector and the sound source vectors of the rest sound sources. The method and device can be used to adjust the volume of each sound source in the sound system, so that the maximum volume point of the sound system is inclined to the target position, thereby improving the hearing experience of a user.
Description
Technical field
The present invention relates to sound system, particularly a kind of method of adjustment and adjusting device that is applied to the volume balance of vehicle audio.
Background technology
Along with Development of Multimedia Technology, sound system is widely used in the various multimedia systems, home theater for example, and car audio systems etc. bring the sense of hearing of high-quality to experience to the user.
The sound system of prior art often comprises a plurality of sources of sound, as loud speaker etc., plays the audio data stream of different sound channels respectively, and for example car audio system often has four sources of sound, makes result of broadcast bring the user sensation around solid, has improved sense of hearing experience.
Application number is to disclose a kind of automobile virtual embosom sound system in the Chinese patent application of 200810003967.X, two sound channel sound source is generated quadraphony source of sound and four loudspeaker plays by vehicle audio after treatment, thereby improved surrounding effect.
In fact, because vehicle interior is fixed in the source of sound of car audio system such as the position of loud speaker, therefore when voice playing, its audio optimum or in other words the position of its volume maximum point fix, as for rectangular four loud speakers of arranging on four summits in compartment, the position of its volume maximum point is the center of rectangle, and promptly the center of car makes the sense of hearing that is sitting in the passenger of other positions in the car experience relatively poor.And in actual applications, the seating position of passenger in car changing often, for example the passenger may be positioned at copilot station, also may be positioned at player No.5's side or right side, because the vehicle center position is fixed in the position of the volume maximum point of the car audio system of prior art, therefore causing the sense of hearing experience of passenger in the car is not best generally.
Summary of the invention
The method of adjustment and the adjusting device that the purpose of this invention is to provide a kind of volume balance are adjusted the position of the volume maximum point of sound system, improve user's the sense of hearing and experience.
For addressing the above problem, the invention provides a kind of method of adjustment of volume balance, be used for sound system is carried out the volume balance adjustment, described sound system comprises at least two sources of sound, the position of the volume maximum point of described sound system is an initial point, comprising:
Be used for sound system is carried out the volume balance adjustment, described sound system comprises at least two sources of sound, and the position of the volume maximum point of described sound system is an initial point, it is characterized in that, comprising:
Obtain the target location;
Determine to adjust the source of sound vector of vector and each source of sound, described adjustment vector is the vector that described initial point points to described target location, and described source of sound vector is the vector that described initial point points to described source of sound;
Keep the volume of source of sound of described adjustment vector deflection constant, volume to all the other sources of sound decays, and the source of sound vector of the source of sound of described adjustment vector deflection and the angle of described adjustment vector are less than or equal to the angle of the source of sound vector of described adjustment vector and all the other sources of sound.
Optionally, the constant attenuation coefficient of setting this source of sound that is meant of the volume of the source of sound of the described adjustment vector deflection of described maintenance is zero; Described volume to all the other sources of sound decays and is meant that it is negative setting its attenuation coefficient, and wherein, the distance of this source of sound and described target location is big more, and then the absolute value of its attenuation coefficient is big more, and its volume attenuation is big more.
Optionally, adopt following manner to realize that the distance of this source of sound and described target location is big more, then the absolute value of its attenuation coefficient is big more: the coverage of described sound system is divided into a plurality of intervals, according to each source of sound and distance setting that each is interval its to should interval attenuation coefficient; According to the interval that described target location falls into, each source of sound that will set respectively to attenuation coefficient that should be interval as its attenuation coefficient.
Optionally, described target location obtains by touch detecting apparatus.
Optionally, described sound system comprises four sources of sound on each summit that is arranged in rectangle, and the center of described rectangle is described initial point.
For addressing the above problem, the invention provides a kind of adjusting device of volume balance, be used for sound system is carried out the volume balance adjustment, described sound system comprises at least two sources of sound, the position of the volume maximum point of described sound system is an initial point, comprising:
The position acquiring unit is used to obtain the target location;
The vector determining unit, definite source of sound vector of adjusting vector and each source of sound, described adjustment vector is the vector that described initial point points to described target location, described source of sound vector is the vector that described initial point points to described source of sound;
The volume adjustment unit, keep the volume of source of sound of described adjustment vector deflection constant, volume to all the other sources of sound decays, and the source of sound vector of the source of sound of described adjustment vector deflection and the angle of described adjustment vector are less than or equal to the angle of the source of sound vector of described adjustment vector and all the other sources of sound.
Optionally, described volume adjustment unit comprises:
Operation processing unit, the attenuation coefficient of setting the source of sound of described adjustment vector deflection is zero, and the attenuation coefficient of setting all the other sources of sound is for negative, and wherein, the distance of this source of sound and described target location is big more, and the absolute value of its attenuation coefficient is big more;
Adjustment unit, keeping attenuation coefficient is that the volume of zero source of sound is constant, and the volume of attenuation coefficient for negative source of sound decayed, and wherein the absolute value of the attenuation coefficient of this source of sound is big more, and its volume attenuation is big more.
Optionally, described operation processing unit is divided into a plurality of intervals with the coverage of described sound system, according to each source of sound and distance setting that each is interval its to should interval attenuation coefficient, and according to the interval that described target location falls into, each source of sound that will set respectively to attenuation coefficient that should be interval as its attenuation coefficient.
Optionally, described position acquiring unit is a touch detecting apparatus, receives touch signal and determines described target location.
Optionally, described sound system comprises four sources of sound on each summit that is arranged in rectangle, and the center of described rectangle is described initial point.
Compared with prior art, the present invention has the following advantages:
In the technique scheme, determine the target location after, by the volume of each source of sound in the sound system is adjusted, make the volume maximum point of sound system be partial to described target location, improved user's the sense of hearing and experienced.
Description of drawings
Fig. 1 is the schematic flow sheet of method of adjustment of the volume balance of the embodiment of the invention;
Fig. 2 is the adjusting device of volume balance of the embodiment of the invention and the syndeton schematic diagram of sound system;
Fig. 3 is the schematic diagram of the source of sound volume attenuation coefficient deterministic process of first embodiment of the invention;
Fig. 4 is the schematic diagram of the source of sound volume attenuation coefficient deterministic process of second embodiment of the invention;
Fig. 5 is the schematic diagram of the source of sound volume attenuation coefficient deterministic process of third embodiment of the invention.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can more be become apparent, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Set forth detail in the following description so that fully understand the present invention.But the present invention can be different from alternate manner described here and implements with multiple, and those skilled in the art can do similar popularization under the situation of intension of the present invention.Therefore the present invention is not subjected to the restriction of following public embodiment.
The car audio system of prior art is because the position of each source of sound is fixed, so the position of its corresponding volume maximum point also fixes, and can not adjust according to user's physical location, and it is relatively poor therefore to make the sense of hearing experience.
Technical scheme of the present invention is at first determined the target location, and adjust the volume of each source of sound accordingly according to the skew between target location and the initial volume maximum point, thereby make the volume maximum point of sound system be partial to described target location, effectively improved user's the sense of hearing and experienced.
Fig. 1 shows the schematic flow sheet of method of adjustment of the volume balance of the embodiment of the invention.
As shown in Figure 1, the method of adjustment of the volume balance of present embodiment is used for sound system is carried out the volume balance adjustment, described sound system comprises at least two sources of sound, the position of the volume maximum point of described sound system is an initial point, described method of adjustment specifically comprises: execution in step S101, obtain the target location; Execution in step S102, definite source of sound vector of adjusting vector and each source of sound, described adjustment vector is the vector that described initial point points to described target location, described source of sound vector is the vector that described initial point points to described source of sound; Execution in step S103, keep the volume of source of sound of described adjustment vector deflection constant, volume to all the other sources of sound decays, and the source of sound vector of the source of sound of described adjustment vector deflection and the angle of described adjustment vector are less than or equal to the angle of the source of sound vector of described adjustment vector and all the other sources of sound.Wherein, the angle of adjusting vector and source of sound vector is more than or equal to 0 °, smaller or equal to 180 ° angle.
Fig. 2 shows the adjusting device of volume balance of the embodiment of the invention and the syndeton schematic diagram of sound system.
Wherein, sound system 101 comprises at least two sources of sound, and the position of the volume maximum point of described sound system is an initial point.In this enforcement, described sound system 101 is specially car audio system, can comprise 2,3,4 or multi-loudspeaker source of sound more.Need to prove, after the quantity of the source of sound that comprises in described sound system 101 and the position of each source of sound are determined, its volume maximum point is an objective reality, those skilled in the art can calculate by corresponding acoustic model and determine or determine the position of this volume maximum point by actual measurement, thereby determine described initial point.
As shown in Figure 2, the adjusting device 100 of the volume balance of present embodiment comprises: position acquiring unit 100a is used to obtain the target location; Vector determining unit 100b, obtain the target location that described position acquiring unit 100a produces, and definite source of sound vector of adjusting vector and each source of sound, described adjustment vector is the vector that described initial point points to described target location, described source of sound vector is the vector that described initial point points to described source of sound; Volume adjustment unit 100c, obtain described vector determining unit 100b and produce adjustment vector and source of sound vector, keep the volume of source of sound of described adjustment vector deflection constant, volume to all the other sources of sound decays, and the source of sound vector of the source of sound of described adjustment vector deflection and the angle of described adjustment vector are less than or equal to the angle of the source of sound vector of described adjustment vector and all the other sources of sound.
Described position acquiring unit 100a is touch detecting apparatus in the present embodiment, be specially the touch detecting apparatus that is arranged in the vehicle, be used to receive user's touch signal, described touch detecting apparatus has shown the position view in the compartment, the user produces corresponding touch signal by the touch click action on touch-screen, with the position of the volume maximum point that shows its expectation, described position acquiring unit 100a receives described touch signal and determines corresponding target location after treatment.
Described volume adjustment unit 100c comprises in the present embodiment: operation processing unit 100d, the attenuation coefficient of setting the source of sound of described adjustment vector deflection is zero, the attenuation coefficient of setting all the other sources of sound is for negative, wherein, the distance of this source of sound and described target location is big more, and the absolute value of its attenuation coefficient is big more; Adjustment unit 100e, keeping attenuation coefficient is that the volume of zero source of sound is constant, and the volume of attenuation coefficient for negative source of sound decayed, and wherein the absolute value of the attenuation coefficient of this source of sound is big more, and its volume attenuation is big more.
In one embodiment, described operation processing unit 100d is divided into a plurality of intervals with the coverage of described sound system 101, according to each source of sound and distance setting that each is interval its to should interval attenuation coefficient, and according to the interval that described target location falls into, each source of sound that will set respectively to attenuation coefficient that should be interval as its attenuation coefficient.Wherein, the coverage of described sound system 101 is meant the scope of the sound transmission covering that described wherein each source of sound sends.In addition, whether each source of sound is partial to this source of sound at each interval corresponding attenuation coefficient according to described adjustment vector, and the distance of this source of sound and described target location is determined, if described adjustment vector is partial to this source of sound, then its attenuation coefficient is zero, otherwise for negative, at described attenuation coefficient is under the situation about bearing, the interval that falls into according to the target location, the distance of itself and this source of sound is big more, then the absolute value of corresponding attenuation coefficient is also big more, and the concrete numerical value of attenuation coefficient can obtain according to corresponding acoustic model emulation, and perhaps the measurement according to reality obtains.
Fig. 3 shows the schematic diagram of the source of sound volume attenuation coefficient deterministic process of first embodiment of the invention.Below in conjunction with Fig. 2 and Fig. 3 the adjusting device and the corresponding method of adjustment of the volume balance of present embodiment are elaborated.
Fig. 3 shows the schematic diagram of arranging of each source of sound in the sound system 101 described in first embodiment, comprising first source of sound 201, second source of sound 202, the 3rd source of sound 203 and the 4th source of sound 204, above-mentioned each source of sound is arranged in four summits of rectangle successively, above-mentioned in the present embodiment each source of sound is specially four loud speakers that are arranged in the compartment, lays respectively at left front, left back, right back and the right front in compartment.Described sound system 101 is under initial situation (before the target setting position), and the volume of each source of sound is a default volume, and its volume maximum point is the center of rectangle, and promptly initial point 200.Described first source of sound 201 and second source of sound 202, the 3rd source of sound 203 and the 4th source of sound 204 are arranged along the long limit of rectangle, and the direction on described long limit is a first direction; Described second source of sound 202 and the 3rd source of sound 203, first source of sound 201 and the 4th source of sound 204 are arranged along the broadside of rectangle, and the direction of described broadside is a second direction.
In the present embodiment, the target location is a primary importance 205, the vector of described initial point 200 definite object positions is for adjusting vector 205a, and the vector that described initial point 200 points to first source of sound 201, second source of sound 202, the 3rd source of sound 203 and the 4th source of sound 204 is respectively source of sound vector 201a, 202a, 203a and 204a.Wherein, angle minimum between the source of sound vector 203a of adjustment vector 205a and the 3rd source of sound 203, therefore, adjust vector and be partial to the 3rd source of sound 203, the 3rd source of sound 203 corresponding attenuation coefficients are 0, its volume remains unchanged, and other three corresponding attenuation coefficients of source of sound are decayed to its volume for negative.
In definite process of described attenuation coefficient, the coverage of described acoustic source system 101 is divided into a plurality of intervals, each source of sound is at each interval respectively corresponding corresponding attenuation coefficient.As a preferred embodiment, only the scope in the compartment is divided, with interval difference five five equilibriums of described initial point 200, be respectively the first subinterval I, the second subinterval II, the 3rd subinterval III, the 4th subinterval IV and the 5th subinterval V to long limit and broadside.Need to prove, in other embodiments, also can be divided into other five equilibriums, as trisection, six five equilibriums or do not divide, the subinterval of division is many more, and the precision of adjustment is also just high more accordingly.But the subinterval of dividing is many more, makes the subsequent operation processing procedure also corresponding complicated, is preferably five five equilibriums in the present embodiment, make that for common car audio system, it is enough to adjust precision, and computational complexity is not too high yet.
In the present embodiment, for a certain source of sound in the described sound system 101, at first the interval that falls into according to described target location is determined corresponding first attenuation coefficient and second attenuation coefficient respectively on described first direction and second direction, and its attenuation coefficient is determined in addition afterwards.
In one embodiment, the user determines that by described position acquiring unit 100a (as touch detecting apparatus) target location is a primary importance 205.Afterwards, described vector determining unit 100b produces according to described primary importance 205 and adjusts vector 205a and source of sound vector 201a, 202a, 203a and 204a, described adjustment vector 205a points to described primary importance 205 by described initial point 200, and described source of sound vector points to each source of sound by described initial point 200.Whether described operation processing unit 200d is partial to each source of sound according to described adjustment vector 205a, and the interval that falls into of primary importance 205, determines the attenuation coefficient of each source of sound accordingly.
In the present embodiment, for described first source of sound 201, i.e. the source of sound of left front, described adjustment vector 205a deviate from this source of sound (promptly not being this source of sound of deflection), and primary importance 205 falls into the first subinterval I on first direction, and its corresponding first attenuation coefficient is-2db; Primary importance 205 falls into the 3rd subinterval III on second direction, its corresponding second attenuation coefficient is-8db; Therefore, first source of sound, 201 corresponding attenuation coefficients be (2db)+(8db)=-10db, described adjustment unit 100e decays to its volume, is specially the default volume 10db that decays.
For described second source of sound 202, i.e. the source of sound of left back, described adjustment vector 205a deviates from this source of sound, and primary importance 205 falls into the first subinterval I on first direction, and its corresponding first attenuation coefficient is 0db; Primary importance 205 falls into the 3rd subinterval III on second direction, its corresponding second attenuation coefficient is-8db; Therefore, second source of sound, 202 corresponding attenuation coefficients be (0db)+(8db)=-8db, described adjustment unit 100e decays to its volume, is specially the default volume 8db that decays.
For described the 3rd source of sound 203, i.e. the source of sound of right back, described adjustment vector 205a is partial to this source of sound, so its attenuation coefficient is 0db.Perhaps also search acquisition between accessible region, primary importance 205 falls into the first subinterval I on first direction, and its corresponding first attenuation coefficient is 0db; Primary importance 205 falls into the 3rd subinterval III on second direction, its corresponding second attenuation coefficient is 0db; Therefore, the 3rd source of sound 203 corresponding attenuation coefficients are (0db)+(0db)=0db, and described adjustment unit 100e does not adjust its volume, still is default volume.
For described the 4th source of sound 204, i.e. the source of sound of right front, described adjustment vector 205a deviates from this source of sound, and primary importance 205 falls into the first subinterval I on first direction, and its corresponding first attenuation coefficient is-2db; Primary importance 205 falls into the 3rd subinterval III on second direction, its corresponding second attenuation coefficient is 0db; Therefore, the 3rd source of sound 203 corresponding attenuation coefficients be (2db)+(0db)=-2db, described adjustment unit 100e decays to its volume, is specially the default volume 2db that decays.
Be according to the distance setting of this interval and each source of sound corresponding to the attenuation coefficient in the corresponding a certain interval of each source of sound among Fig. 3, the distance of this interval and a certain source of sound is big more, and then this source of sound is big more to the absolute value of attenuation coefficient (comprising first attenuation coefficient and second attenuation coefficient) that should be interval.In other embodiments of the invention, described attenuation coefficient also can be for directly setting according to described interval, rather than determining after the inquiry addition on the both direction.As described in the interval that falls into of primary importance 205, the attenuation coefficient of first source of sound, 201 correspondences is set at-10db, the attenuation coefficient of second source of sound 202 is set at-8db, and the attenuation coefficient of the 3rd source of sound 203 is set at 0db, and the attenuation coefficient of the 4th source of sound 204 is set at-2db.
In addition, if target location described in the present embodiment may make that its corresponding adjustment vector is identical with the source of sound vector angle of certain two source of sound, the target location is the second place 206 among Fig. 3 as described, then described target location is partial to the 3rd source of sound 203 and the 4th source of sound 204 simultaneously, the angle of promptly adjusting vector and the 3rd source of sound 203 equals to adjust the angle of vector and the 4th source of sound 204, and less than the angle of the adjustment vector and first source of sound 201 and the angle of adjusting the vector and second source of sound 202; The angle of adjusting vector and the 4th source of sound 204 equals to adjust the angle of vector and the 3rd source of sound 203, and less than the angle of the adjustment vector and first source of sound 201 and the angle of adjusting the vector and second source of sound 202.Therefore, the volume of the 3rd source of sound 203 and the 4th source of sound 204 remains unchanged, and the volume of first source of sound 201 and second source of sound 202 is decayed.
Fig. 4 shows the schematic diagram of the source of sound volume attenuation coefficient deterministic process of second embodiment of the invention.In the present embodiment, described acoustic source system comprises first source of sound 301, second source of sound 302, the 3rd source of sound 303 and the 4th source of sound 304 of arranging arbitrarily.Under initial condition, when promptly the volume of four sources of sound all was default volume, the position of its volume maximum point was an initial point 300.The target location is the 3rd position 305 in the present embodiment, and is corresponding, and initial point 300 points to the vector of the 3rd position 305 for adjusting vector 305a, and the vector that initial point 300 points to each source of sound is respectively source of sound vector 301a, 302a, 303a and 304a.Adjust the angle minimum of the source of sound vector 303a of vector 305a and the 3rd source of sound 303, therefore adjusting vector 305a is partial to the 3rd source of sound 303.Accordingly, the volume of described the 3rd source of sound 303 constant (being that attenuation coefficient is 0), and to the volume of its excess-three source of sound decay (being that attenuation coefficient is negative).Wherein, the distance of described first source of sound 301 and the 3rd position 305 is maximum, so the absolute value maximum of its attenuation coefficient, and the attenuation of volume is also maximum, and in like manner, the absolute value of described second source of sound 302 and the attenuation coefficient of the 4th source of sound 304 is relative smaller.Similar with first embodiment, the attenuation coefficient of each source of sound also can be divided into a plurality of intervals by the overlay area with acoustic source system, and the interval query that falls into according to the target location obtains each default source of sound at this interval attenuation coefficient.
Fig. 5 shows the schematic diagram of the source of sound volume attenuation coefficient deterministic process of third embodiment of the invention.In the present embodiment, described acoustic source system comprises first source of sound 401 and second source of sound 402.Under initial condition, when promptly the volume of two sources of sound all was default volume, the position of its volume maximum point was the mid point of first source of sound 401 and second source of sound 402, and promptly initial point 400.The target location is the 4th position 403 in the present embodiment, and is corresponding, and initial point 400 points to the vector of the 4th position 403 for adjusting vector 403a, and the vector that initial point 400 points to each source of sound is respectively source of sound vector 401a and 402a.The angle of the source of sound vector 402a of the adjustment vector 403a and second source of sound 402 is the most following, and therefore adjusting vector 403a is partial to second source of sound 402.Accordingly, the volume of described second source of sound 402 constant (being that attenuation coefficient is 0), and to the volume of its excess-three source of sound decay (being that attenuation coefficient is negative).Similar with first embodiment, the attenuation coefficient of each source of sound also can be divided into a plurality of intervals by the overlay area with acoustic source system, and the interval query that falls into according to the target location obtains each default source of sound at this interval attenuation coefficient.
Need to prove, it all is to decay at its default volume (initial volume when promptly the volume maximum point of acoustic source system not being adjusted) that the various embodiments described above decay to the source of sound volume, if repeatedly the position of described target location is adjusted, corresponding source of sound volume adjustment process is not to decay at its current volume, but decays at default volume.
To sum up, the invention provides a kind of method of adjustment and adjusting device of volume balance, at first determine the target location, point to the adjustment vector that described target location forms according to initial point afterwards, and the position of target location and each source of sound concerns that for example angle, distance wait to determine the attenuation coefficient of each source of sound, thereby make the volume maximum point be partial to this target location, effectively improved user's the sense of hearing and experienced.
Though the present invention with preferred embodiment openly as above; but it is not to be used for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize the method and the technology contents of above-mentioned announcement that technical solution of the present invention is made possible change and modification; therefore; every content that does not break away from technical solution of the present invention; to any simple modification, equivalent variations and modification that above embodiment did, all belong to the protection range of technical solution of the present invention according to technical spirit of the present invention.
Claims (10)
1. the method for adjustment of a volume balance is used for sound system is carried out the volume balance adjustment, and described sound system comprises at least two sources of sound, and the position of the volume maximum point of described sound system is an initial point, it is characterized in that, comprising:
Obtain the target location;
Determine to adjust the source of sound vector of vector and each source of sound, described adjustment vector is the vector that described initial point points to described target location, and described source of sound vector is the vector that described initial point points to described source of sound;
Keep the volume of source of sound of described adjustment vector deflection constant, volume to all the other sources of sound decays, and the source of sound vector of the source of sound of described adjustment vector deflection and the angle of described adjustment vector are less than or equal to the angle of the source of sound vector of described adjustment vector and all the other sources of sound.
2. the method for adjustment of volume balance according to claim 1 is characterized in that, the constant attenuation coefficient of setting this source of sound that is meant of the volume of the source of sound of the described adjustment vector deflection of described maintenance is zero; Described volume to all the other sources of sound decays and is meant that it is negative setting its attenuation coefficient, and wherein, the distance of this source of sound and described target location is big more, and then the absolute value of its attenuation coefficient is big more, and its volume attenuation is big more.
3. the method for adjustment of volume balance according to claim 2, it is characterized in that, adopt following manner to realize that the distance of this source of sound and described target location is big more, then the absolute value of its attenuation coefficient is big more: the coverage of described sound system is divided into a plurality of intervals, according to each source of sound and distance setting that each is interval its to should interval attenuation coefficient; According to the interval that described target location falls into, each source of sound that will set respectively to attenuation coefficient that should be interval as its attenuation coefficient.
4. the method for adjustment of volume balance according to claim 1 is characterized in that, described target location obtains by touch detecting apparatus.
5. according to the method for adjustment of each described volume balance in the claim 1 to 4, it is characterized in that described sound system comprises four sources of sound on each summit that is arranged in rectangle, the center of described rectangle is described initial point.
6. the adjusting device of a volume balance is used for sound system is carried out the volume balance adjustment, and described sound system comprises at least two sources of sound, and the position of the volume maximum point of described sound system is an initial point, it is characterized in that, comprising:
The position acquiring unit is used to obtain the target location;
The vector determining unit, definite source of sound vector of adjusting vector and each source of sound, described adjustment vector is the vector that described initial point points to described target location, described source of sound vector is the vector that described initial point points to described source of sound;
The volume adjustment unit, keep the volume of source of sound of described adjustment vector deflection constant, volume to all the other sources of sound decays, and the source of sound vector of the source of sound of described adjustment vector deflection and the angle of described adjustment vector are less than or equal to the angle of the source of sound vector of described adjustment vector and all the other sources of sound.
7. the adjusting device of volume balance according to claim 6 is characterized in that, described volume adjustment unit comprises:
Operation processing unit, the attenuation coefficient of setting the source of sound of described adjustment vector deflection is zero, and the attenuation coefficient of setting all the other sources of sound is for negative, and wherein, the distance of this source of sound and described target location is big more, and the absolute value of its attenuation coefficient is big more;
Adjustment unit, keeping attenuation coefficient is that the volume of zero source of sound is constant, and the volume of attenuation coefficient for negative source of sound decayed, and wherein the absolute value of the attenuation coefficient of this source of sound is big more, and its volume attenuation is big more.
8. the adjusting device of volume balance according to claim 7, it is characterized in that, described operation processing unit is divided into a plurality of intervals with the coverage of described sound system, according to each source of sound and distance setting that each is interval its to should interval attenuation coefficient, and according to the interval that described target location falls into, each source of sound that will set respectively to attenuation coefficient that should be interval as its attenuation coefficient.
9. the adjusting device of volume balance according to claim 6 is characterized in that, described position acquiring unit is a touch detecting apparatus, receives touch signal and determines described target location.
10. according to the adjusting device of each described volume balance in the claim 6 to 9, it is characterized in that described sound system comprises four sources of sound on each summit that is arranged in rectangle, the center of described rectangle is described initial point.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384288A (en) * | 2012-05-02 | 2013-11-06 | 中兴通讯股份有限公司 | Method for automatically controlling terminal voice channel and terminal |
| CN103945301A (en) * | 2014-04-24 | 2014-07-23 | Tcl集团股份有限公司 | Audio system balance adjustment method and device |
| CN106303806A (en) * | 2016-09-22 | 2017-01-04 | 北京小米移动软件有限公司 | The volume balance control method of sound system and device |
| CN112849050A (en) * | 2019-11-28 | 2021-05-28 | 上海博泰悦臻电子设备制造有限公司 | Vehicle, vehicle equipment and volume cooperative adjustment method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1499895A (en) * | 2002-10-29 | 2004-05-26 | �ձ������ȷ湫˾ | Acoustic equipment |
| CN1787605A (en) * | 2004-12-10 | 2006-06-14 | 精工爱普生株式会社 | Control system, apparatus compatible with the system, and remote controller |
| US20090136044A1 (en) * | 2007-11-28 | 2009-05-28 | Qualcomm Incorporated | Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture |
| CN101483739A (en) * | 2008-01-10 | 2009-07-15 | 宏碁股份有限公司 | Method for regulating display effect of video signal apparatus according to viewing position and video signal apparatus thereof |
-
2010
- 2010-04-30 CN CN201010169174.2A patent/CN102238464B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1499895A (en) * | 2002-10-29 | 2004-05-26 | �ձ������ȷ湫˾ | Acoustic equipment |
| CN1787605A (en) * | 2004-12-10 | 2006-06-14 | 精工爱普生株式会社 | Control system, apparatus compatible with the system, and remote controller |
| US20090136044A1 (en) * | 2007-11-28 | 2009-05-28 | Qualcomm Incorporated | Methods and apparatus for providing a distinct perceptual location for an audio source within an audio mixture |
| CN101483739A (en) * | 2008-01-10 | 2009-07-15 | 宏碁股份有限公司 | Method for regulating display effect of video signal apparatus according to viewing position and video signal apparatus thereof |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103384288A (en) * | 2012-05-02 | 2013-11-06 | 中兴通讯股份有限公司 | Method for automatically controlling terminal voice channel and terminal |
| CN103945301A (en) * | 2014-04-24 | 2014-07-23 | Tcl集团股份有限公司 | Audio system balance adjustment method and device |
| CN103945301B (en) * | 2014-04-24 | 2018-04-17 | Tcl集团股份有限公司 | A kind of sound system balance adjusting method and device |
| CN106303806A (en) * | 2016-09-22 | 2017-01-04 | 北京小米移动软件有限公司 | The volume balance control method of sound system and device |
| CN106303806B (en) * | 2016-09-22 | 2019-11-08 | 北京小米移动软件有限公司 | The volume balance control method and device of sound system |
| CN112849050A (en) * | 2019-11-28 | 2021-05-28 | 上海博泰悦臻电子设备制造有限公司 | Vehicle, vehicle equipment and volume cooperative adjustment method thereof |
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