CN104735589A - Intelligent loudspeaker box grouped volume regulation system and method based on GPS - Google Patents
Intelligent loudspeaker box grouped volume regulation system and method based on GPS Download PDFInfo
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- CN104735589A CN104735589A CN201510054501.2A CN201510054501A CN104735589A CN 104735589 A CN104735589 A CN 104735589A CN 201510054501 A CN201510054501 A CN 201510054501A CN 104735589 A CN104735589 A CN 104735589A
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Abstract
The invention discloses an intelligent loudspeaker box grouped volume regulation system and method based on a GPS. The system comprises GPS modules arranged on all loudspeaker boxes in groups, a GPS module arranged in a movement area, a control unit and volume regulation units arranged on all the loudspeaker boxes in the groups. The position information, relative to the movement area, of all the loudspeaker boxes is obtained through all the loudspeaker boxes in the groups and GPS information of the movement area, the main loudspeaker box is selected, the volume of a main loudspeaker box sound source spread to the movement area is calculated according to acoustic attenuation law and the position information of the main loudspeaker box, the volume to be kept and the actual volume of the non-main loudspeaker box are calculated through the acoustic attenuation law and the position information of the non-main loudspeaker box and the position information of the movement area according to the volume, the volume of the non-main loudspeaker box is regulated according to the result, and therefore the volumes of the sounds, spread to the movement area, of all the loudspeaker boxes located at different positions can be kept consistent, the tone quality can be more uniform, and the auditory sense of a user is improved.
Description
Technical field
The present invention relates to audio amplifier volume adjusting field, particularly the sound volume regulating system that divides into groups based on the intelligent sound box of GPS (Global PositioningSystem, global positioning system) of one and method.
Background technology
Audio amplifier is a more traditional digital product, even if Baffle Box of Bluetooth is also develop for a long time, but recently some manufacturers release successively can with the intelligent sound box of mobile phone interaction, allowed this old product shine the new youth.May be the more elementary level of intelligent sound box with mobile phone interaction, the intelligence relying on the technology such as Voice command to realize departing from mobile phones be only the advanced level of intelligent sound box, also may become the important entrance of Smart Home.Wang Hanhua speaks of the center that audio amplifier and TV are certain to become family.Why intelligent sound product is well worth doing, and a reason is along with TV is more and more thinner, and intelligent sound can become standard configuration, and this is an imagination space.Meanwhile, in intelligentized direction, any application scenarios relevant to " sound " can associate with sound equipment, and is not limited only to music, such as acoustic control, doorbell etc.
At present intelligent sound box is on the market roughly divided into two classes, be designed to " art work " that drive with to be connected " the scientific and technological goods " that one is cut to guiding.The former plays song that is local or third party's music platform after mainly connecting smart mobile phone by WiFi or bluetooth.But enough styles of some product design, price is also naturally high.Compare " art work ", the intelligent sound box of scientific and technological class is various in style.Suitable compromise is done in appearance design by their big city, utilizes function to try to please user afterwards.This series products generally can with domestic music platform cooperation, the musical database that " binding " is.Add Voice command simultaneously, song can be switched fast or even other household electrical appliances that link in future.
In the intelligent sound box of current listing, the grouping volume adjusting of Sonos and LG is similar, and reasoning finds that all audio amplifier volumes that the group volume of Sonos equals in group are averaging according to the observation.The volume Principles of Regulation of LG are similar, but it increases track selecting function on single audio amplifier.Such combination sound box volume computational methods are too simple and idealized, can not accurately reflect combination sound box actual volume thus cause can not carrying out intelligence to each combination sound box to regulate accurately.
Summary of the invention
The object of the invention is to overcome the shortcoming of prior art and deficiency, the sound volume regulating system that a kind of intelligent sound box based on GPS divides into groups is provided, wave volume (acoustic pressure) size that this system makes grouping each audio amplifier interior being in diverse location propagate into User Activity district is consistent, tonequality is more even, improves the audio experience of user.
Another object of the present invention is to the volume adjusting method providing a kind of intelligent sound box based on GPS to divide into groups, wave volume (acoustic pressure) size that in the grouping being made to be in diverse location by the method, each audio amplifier propagates into User Activity district is consistent, tonequality is more even, improves the audio experience of user.
The first object of the present invention is achieved through the following technical solutions: the sound volume regulating system that a kind of intelligent sound box based on GPS divides into groups, and comprising:
Be placed in the GPS module on each audio amplifier in grouping, for obtaining the GPS information of each audio amplifier in grouping;
Be placed in the GPS module of zone of action, for obtaining the GPS information of zone of action;
Control unit, for the GPS information according to each audio amplifier and zone of action in grouping, choosing one of them grouping audio amplifier is main sound box, then get according to acoustic attenuation rule the volume that main sound box propagates into zone of action, then the volume of zone of action and the GPS information of non-main sound box and zone of action is propagated into according to main sound box, obtain the volume of each non-main sound box needs adjustment according to acoustic attenuation rule, finally generate the control signal being used for each audio amplifier volume in control packet;
And the sound volume regulation unit be arranged in grouping on each audio amplifier, for the control signal sent according to control unit, the volume of each audio amplifier in grouping is regulated, make each audio amplifier in grouping propagate the volume arriving zone of action consistent.
Preferably, the GPS module of described control unit and zone of action is arranged on the mobile terminal being placed in zone of action, described in the GPS module be placed in grouping on each audio amplifier be placed in, in grouping on each audio amplifier, there is the mobile terminal that GPS information obtains function.
Preferably, described control unit by network respectively be placed in divide into groups in GPS module on each audio amplifier, be placed in zone of action GPS module and be arranged at sound volume regulation unit divide into groups on each audio amplifier interior and be connected.
Preferably, the sound volume regulation unit in grouping on each audio amplifier is be arranged on the volume adjustment knob on grouping audio amplifier.
Preferably, described control unit is also connected with the display module for showing the volume after interior each audio amplifier adjustment of grouping and zone of action actual volume size.
The second object of the present invention is achieved through the following technical solutions: the volume adjusting method that a kind of intelligent sound box based on GPS divides into groups, and step is as follows:
Obtain the GPS information of each audio amplifier and zone of action in grouping;
According to the GPS information of each audio amplifier and zone of action in grouping, choosing one of them audio amplifier in grouping is main sound box;
According to the GPS information of main sound box and zone of action, according to acoustic attenuation rule, get the volume that main sound box propagates into zone of action;
Propagate into the volume of zone of action and the GPS information of non-main sound box and zone of action according to main sound box, calculate the volume of each non-main sound box needs adjustment according to acoustic attenuation rule, then regulate corresponding non-main sound box according to the volume calculated.
Preferably, according to the GPS information of each audio amplifier and zone of action in grouping, the nearest audio amplifier in selected distance zone of action is the main sound box of this grouping.
Preferably, according to the GPS information of main sound box and zone of action, calculate according to the aerial decay formula of following sound the volume L that main sound box propagates into zone of action
p:
L
p＝L
w-K+DIm-A
e；
Wherein L
pit is the acoustic pressure that main sound box propagates into zone of action; L
wfor the acoustic pressure of main sound box sound source; DIm is directivity factor; To be acoustic pressure from main sound box propagate into K disperses decay the process of zone of action, and (10, r), r is the distance between zone of action and main sound box to K=10log (10,4 π)+20log; A
eto propagate into the additional attenuation the process of zone of action for acoustic pressure from main sound box, comprise the acoustic pressure decay A that absorption of air produces
a, barrier additional attenuation, ground additional attenuation and meteorological additional attenuation;
Preferably, propagate into the volume of zone of action and the GPS information of non-main sound box and zone of action according to main sound box, calculate the volume L of each non-main sound box needs adjustment according to the aerial decay formula of following sound
wn:
L
wn＝L
p-K
n+DIm-A
en，n＝1,2,...N；
Wherein L
wnbe the acoustic pressure of each non-main sound box sound source, N is the number of non-main sound box; L
pit is the acoustic pressure that main sound box propagates into zone of action; DIm is directivity factor; K
ndecay is dispersed, K the process of zone of action for acoustic pressure propagates into from each non-main sound box
n=10log (10,4 π)+20log (10, r
n), r
nfor the distance between zone of action and each non-main sound box; A
ento propagate into the additional attenuation the process of zone of action for acoustic pressure from each non-main sound box, comprise the acoustic pressure decay A that absorption of air produces
an, barrier additional attenuation, ground additional attenuation and meteorological additional attenuation.
Preferably, described step also comprises and gets zone of action volume actual size by the power addition method and be:
Wherein L
1=L
2=...=L
mfor each audio amplifier interior that divides into groups propagates into the acoustic pressure of zone of action; M is the sum of audio amplifier in grouping.
The present invention has following advantage and effect relative to prior art:
(1) the present invention gets the positional information of each audio amplifier relative to zone of action by the GPS information of each audio amplifier and zone of action in grouping, then a main sound box is chosen, positional information calculation according to acoustic attenuation rule and main sound box goes out the actual volume size that main sound box sound source propagates into zone of action, according to this volume, by acoustic attenuation rule and other non-main sound boxs with the positional information of zone of action, calculate the volume that the volume that non-main sound box will be made to propagate into zone of action keeps propagating into main sound box zone of action, need the actual volume size of non-main sound box, and according to the actual volume of each non-main sound box of this result adjustment, the volume making each audio amplifier being in diverse location in audio amplifier grouping system propagate into zone of action is consistent, tonequality is more even, improve the audio experience of user.
(2) mobile terminal such as smart mobile phone or panel computer can be adopted in the present invention as control unit, the Intelligent adjustment of volume can be realized by the mobile terminal of zone of action easily.Directly supporting mobile terminal can be placed on each audio amplifier of sound box system in addition in the present invention, by the GPS information of audio amplifier in this acquisition for mobile terminal to grouping, and GPS information is associated with corresponding audio amplifier, the position acquisition of each audio amplifier in grouping is realized easily by mobile terminal, in grouping, each audio amplifier arranges GPS module without the need to independent in addition, save use cost, and can convenient man-machine interaction by mobile terminal.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of sound volume regulating system of the present invention.
Fig. 2 is the flow chart of sound volume regulating system of the present invention.
Embodiment
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1
As shown in Figure 1, present embodiment discloses the sound volume regulating system that a kind of intelligent sound box based on GPS divides into groups, comprising:
Be placed in the GPS module on each audio amplifier in grouping, for obtaining the GPS information of each audio amplifier in grouping, in the present embodiment, the mobile terminal of function can be obtained as the GPS module on each audio amplifier in above-mentioned grouping by the GPS information that has be positioned in grouping on each audio amplifier; When after audio amplifier starting up, obtained the facility information of this audio amplifier by networking.The mobile terminal be placed in grouping on each audio amplifier gets the GPS information of audio amplifier by supporting client software, and this GPS information is associated with corresponding grouping audio amplifier.
Being placed in the GPS module of zone of action, for obtaining the GPS information of zone of action, the mobile terminal with GPS function that is placed in zone of action in the present embodiment, can being adopted to be placed in the GPS module of zone of action as this.
Control unit, for the GPS information according to each audio amplifier and zone of action in grouping, get the positional information of each audio amplifier and zone of action in grouping, choosing one of them audio amplifier in grouping is main sound box, then get according to acoustic attenuation rule the volume that main sound box propagates into zone of action, then the volume of zone of action and the GPS information of non-main sound box and zone of action is propagated into according to main sound box, the volume of each non-main sound box needs adjustment is obtained according to acoustic attenuation rule, finally generate the control signal being used for each audio amplifier volume in control packet, control unit is also connected with display module, the volume after being regulated by each audio amplifier in this display module display grouping and zone of action actual volume size.Control unit is arrange software module in the terminal in the present embodiment, this software module can propagate into the volume of zone of action and the GPS information of non-main sound box and zone of action according to main sound box, calculate the volume of each non-main sound box needs adjustment according to acoustic attenuation rule, and generate the control signal being applied to each audio amplifier volume in control packet.Wherein this mobile terminal and the above-mentioned mobile terminal for obtaining zone of action GPS information can for same, and mobile terminal can be smart mobile phone or panel computer.
And the sound volume regulation unit be arranged in grouping on each audio amplifier, for the control signal sent according to control unit, the volume of each audio amplifier in grouping is regulated, make each audio amplifier in grouping propagate the volume arriving zone of action consistent.Sound volume regulation unit in the present embodiment in grouping on each audio amplifier is be arranged on the volume adjustment knob on each audio amplifier.
In the present embodiment, control unit in intelligent mobile phone terminal by wireless network respectively be placed in divide into groups in GPS module on each audio amplifier, be placed in zone of action GPS module and be arranged at sound volume regulation unit divide into groups on each audio amplifier interior and be connected, communicated by wireless network between them.
As shown in Figure 2, present embodiment discloses the volume adjusting method that a kind of intelligent sound box based on GPS realized by above-mentioned regulating system is divided into groups, step is as follows:
Obtain the GPS information of each audio amplifier and zone of action in grouping; In grouping, each audio amplifier gets GPS information by the GPS module that it is arranged in the present embodiment, determines the positional information of each audio amplifier in dividing into groups.
According to the GPS information of each audio amplifier and zone of action in grouping, choosing one of them audio amplifier in grouping is main sound box; The audio amplifier that selected distance zone of action is nearest is in the present embodiment the main sound box of this grouping.This grouping other audio amplifiers interior can certainly be adopted as main sound box.
According to the GPS information of main sound box and zone of action, get according to the aerial decay formula of following sound the volume L that main sound box propagates into zone of action
p:
L
p＝L
w-K+DIm-A
e；
Wherein L
pit is the acoustic pressure that main sound box propagates into zone of action; L
wfor the acoustic pressure of main sound box sound source; DIm is directivity factor, is used to indicate near sound source whether there is reflecting surface (ground is considered separately), wherein often increases a reflecting surface and namely increases 3dB; To be acoustic pressure from main sound box propagate into K disperses decay the process of zone of action, K=10log (10,4 π)+20log (10, r), r is the distance between zone of action and main sound box, can be got by the GPS information of zone of action and main sound box; A
eto propagate into the additional attenuation the process of zone of action for acoustic pressure from main sound box, comprise the acoustic pressure decay A that absorption of air produces
a, barrier additional attenuation, ground additional attenuation and meteorological additional attenuation.The wherein acoustic pressure decay A of absorption of air generation
aall relevant with frequency, air pressure, temperature, humidity, in frequency 125-12500Hz scope, when temperature is 20 DEG C, the acoustic pressure decay A that absorption of air produces
afor:
Wherein h is relative air humidity, and f is sound frequency.
The volume of zone of action and the GPS information of non-main sound box and zone of action is propagated into according to main sound box, the volume of each non-main sound box needs adjustment is calculated according to acoustic attenuation rule, then regulate corresponding non-main sound box according to the volume that calculates, make each non-main sound box propagate into the volume of zone of action identical with the volume that main sound box propagates into zone of action.Specific as follows: to propagate into the volume of zone of action and the GPS information of non-main sound box and zone of action according to main sound box, the volume L of each non-main sound box needs adjustment is calculated according to the aerial decay formula of following sound
wn:
L
wn＝L
p-K
n+DIm-A
en，n＝1,2,...N；
Wherein L
wnbe the acoustic pressure of each non-main sound box sound source, N is the number of non-main sound box; L
pit is the acoustic pressure that main sound box propagates into zone of action; DIm is directivity factor; K
ndecay is dispersed, K the process of zone of action for acoustic pressure propagates into from each non-main sound box
n=10log (10,4 π)+20log (10, r
n), r
nfor the distance between zone of action and each non-main sound box, can be got by the GPS information of zone of action and Ge Fei main sound box; A
ento propagate into the additional attenuation the process of zone of action for acoustic pressure from each non-main sound box, comprise the acoustic pressure decay A that absorption of air produces
an, barrier additional attenuation, ground additional attenuation and meteorological additional attenuation.Wherein A
anfor:
Wherein h is relative air humidity, and f is sound frequency.
Getting zone of action volume actual size by the power addition method in the present embodiment is:
Wherein L
1=L
2=...=L
m=L
pfor each audio amplifier interior that divides into groups propagates into the acoustic pressure of zone of action; M is the sum of audio amplifier in grouping.
Above-described embodiment is the present invention's preferably execution mode; but embodiments of the present invention are not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present invention and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection scope of the present invention.
Claims (10)
1., based on the sound volume regulating system that the intelligent sound box of GPS divides into groups, it is characterized in that, comprising:
Be placed in the GPS module on each audio amplifier in grouping, for obtaining the GPS information of each audio amplifier in grouping;
Be placed in the GPS module of zone of action, for obtaining the GPS information of zone of action;
Control unit, for the GPS information according to each audio amplifier and zone of action in grouping, choosing one of them grouping audio amplifier is main sound box, then get according to acoustic attenuation rule the volume that main sound box propagates into zone of action, then the volume of zone of action and the GPS information of non-main sound box and zone of action is propagated into according to main sound box, obtain the volume of each non-main sound box needs adjustment according to acoustic attenuation rule, finally generate the control signal being used for each audio amplifier volume in control packet;
And the sound volume regulation unit be arranged in grouping on each audio amplifier, for the control signal sent according to control unit, the volume of each audio amplifier in grouping is regulated, make each audio amplifier in grouping propagate the volume arriving zone of action consistent.
2. the sound volume regulating system that divides into groups of the intelligent sound box based on GPS according to claim 1, it is characterized in that, the GPS module of described control unit and zone of action is arranged on the mobile terminal being placed in zone of action, described in the GPS module be placed in grouping on each audio amplifier be placed in, in grouping on each audio amplifier, there is the mobile terminal that GPS information obtains function.
3. the sound volume regulating system that divides into groups of the intelligent sound box based on GPS according to claim 1 and 2, it is characterized in that, described control unit by network respectively be placed in divide into groups in GPS module on each audio amplifier, be placed in zone of action GPS module and be arranged at sound volume regulation unit divide into groups on each audio amplifier interior and be connected.
4. the sound volume regulating system that divides into groups of the intelligent sound box based on GPS according to claim 1, is characterized in that, the sound volume regulation unit in grouping on each audio amplifier is be arranged on the volume adjustment knob on grouping audio amplifier.
5. the sound volume regulating system that divides into groups of the intelligent sound box based on GPS according to claim 1, it is characterized in that, described control unit is also connected with the display module for showing the volume after interior each audio amplifier adjustment of grouping and zone of action actual volume size.
6., based on the volume adjusting method that the intelligent sound box of GPS divides into groups, it is characterized in that, step is as follows:
Obtain the GPS information of each audio amplifier and zone of action in grouping;
According to the GPS information of each audio amplifier and zone of action in grouping, choosing one of them audio amplifier in grouping is main sound box;
According to the GPS information of main sound box and zone of action, according to acoustic attenuation rule, get the volume that main sound box propagates into zone of action;
Propagate into the volume of zone of action and the GPS information of non-main sound box and zone of action according to main sound box, calculate the volume of each non-main sound box needs adjustment according to acoustic attenuation rule, then regulate corresponding non-main sound box according to the volume calculated.
7. the volume adjusting method that divides into groups of the intelligent sound box based on GPS according to claim 6, is characterized in that, according to the GPS information of each audio amplifier and zone of action in grouping, the nearest audio amplifier in selected distance zone of action is the main sound box of this grouping.
8. the volume adjusting method that divides into groups of the intelligent sound box based on GPS according to claim 6, it is characterized in that, according to the GPS information of main sound box and zone of action, calculate according to the aerial decay formula of following sound the volume L that main sound box propagates into zone of action
p:
L
p＝L
w-K+DIm-A
e；
Wherein L
pit is the acoustic pressure that main sound box propagates into zone of action; L
wfor the acoustic pressure of main sound box sound source; DIm is directivity factor; To be acoustic pressure from main sound box propagate into K disperses decay the process of zone of action, and (10, r), r is the distance between zone of action and main sound box to K=10log (10,4 π)+20log; A
eto propagate into the additional attenuation the process of zone of action for acoustic pressure from main sound box, comprise the acoustic pressure decay A that absorption of air produces
a, barrier additional attenuation, ground additional attenuation and meteorological additional attenuation.
9. the volume adjusting method that divides into groups of the intelligent sound box based on GPS according to claim 6, it is characterized in that, propagate into the volume of zone of action and the GPS information of non-main sound box and zone of action according to main sound box, calculate the volume L of each non-main sound box needs adjustment according to the aerial decay formula of following sound
wn:
L
wn＝L
p-K
n+DIm-A
en，n＝1,2,...N；
Wherein L
wnbe the acoustic pressure of each non-main sound box sound source, N is the number of non-main sound box; L
pit is the acoustic pressure that main sound box propagates into zone of action; DIm is directivity factor; K
ndecay is dispersed, K the process of zone of action for acoustic pressure propagates into from each non-main sound box
n=10log (10,4 π)+20log (10, r
n), r
nfor the distance between zone of action and each non-main sound box; A
ento propagate into the additional attenuation the process of zone of action for acoustic pressure from each non-main sound box, comprise the acoustic pressure decay A that absorption of air produces
an, barrier additional attenuation, ground additional attenuation and meteorological additional attenuation.
10. the volume adjusting method that divides into groups of the intelligent sound box based on GPS according to claim 6, is characterized in that, described step also comprises and gets zone of action volume actual size by the power addition method and be:
Wherein L
1=L
2=...=L
mfor each audio amplifier interior that divides into groups propagates into the acoustic pressure of zone of action; M is the sum of audio amplifier in grouping.
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| CN105307077B (en) * | 2015-10-20 | 2018-09-28 | 刘亮 | Acoustics volume adjustment method based on range information and sound equipment |
| CN105516855A (en) * | 2015-12-23 | 2016-04-20 | 联想(北京)有限公司 | Method for playing audio file |
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| CN111418216A (en) * | 2017-09-29 | 2020-07-14 | 搜诺思公司 | Media playback system with voice assistance |
| CN111418216B (en) * | 2017-09-29 | 2022-11-11 | 搜诺思公司 | Media playback system with voice assistance |
| CN109951763A (en) * | 2017-12-20 | 2019-06-28 | 霍尼韦尔国际公司 | System and method for activating audio playback |
| CN107948861A (en) * | 2017-12-25 | 2018-04-20 | 广州市尊浪电器有限公司 | A kind of method that sound equipment and automatic adjustment play |
| CN107948861B (en) * | 2017-12-25 | 2020-07-14 | 广州市尊浪电器有限公司 | Sound equipment and automatic playing adjusting method |
| CN111930341A (en) * | 2020-10-14 | 2020-11-13 | 歌尔光学科技有限公司 | Audio playing mode switching method and device and head-mounted equipment |
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