CN104507003A - A method and a system for adjusting a volume intelligently according to a noise in a vehicle - Google Patents
A method and a system for adjusting a volume intelligently according to a noise in a vehicle Download PDFInfo
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- CN104507003A CN104507003A CN201410700527.5A CN201410700527A CN104507003A CN 104507003 A CN104507003 A CN 104507003A CN 201410700527 A CN201410700527 A CN 201410700527A CN 104507003 A CN104507003 A CN 104507003A
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Abstract
The invention discloses a method and a system for adjusting a volume intelligently according to a noise in a vehicle. The method comprises the steps of: A, presetting a corresponding relationship of a value of the noise to a volume value of a vehicle-mounted horn; B, acquiring the value of the noise in the vehicle once every a preset period of time; and C, adjusting, in the case that the acquired value of the noise and the current volume value of the vehicle-mounted horn fail to comply with the corresponding relationship, the volume value of the vehicle-mounted horn according to the corresponding relationship by taking the value of the noise as a variable.
Description
Technical field
The present invention relates to automotive field, particularly relate to the method and system according to noise Intelligent adjustment volume in car.
Background technology
In vehicle operation, due to reason or the road conditions reason of speed, cause in driving conditions, a lot of noise can be produced, and noise is crossed conference and is caused driver can to hear the prompting of vehicle mounted guidance, and in driving conditions, often very tired, need to listen to the music to refresh oneself, excessive noise affects the experience of user, manually remove to tune up the sound sent that navigates and easily produce potential safety hazard, and the height of noise is unstable, the artificial joint volume that carries loudspeaker of going to shunt can not meet the experience of user well, therefore, the Intelligent adjustment how realizing vehicle-mounted horn volume is a problem demanding prompt solution
Therefore, prior art has yet to be improved and developed.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide a kind of method according to noise Intelligent adjustment volume in car and terminal, being intended to solve vehicle-mounted horn volume cannot the problem of Intelligent adjustment.
For reaching above-mentioned purpose, technical scheme of the present invention is as follows:
According to the method for noise Intelligent adjustment volume in car, wherein, comprising:
A, preset the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value;
B, obtain the level of noise in a train every preset time period;
C, when obtain level of noise and current vehicle-mounted horn volume value do not meet corresponding relation time, be that variable regulates vehicle-mounted loudspeaker sound value according to corresponding relation with level of noise.
The described method according to noise Intelligent adjustment volume in car, wherein, described step B comprises:
Audio signal in B1, acquisition car;
B2, the level of noise that described audio signal is converted in current vehicle by filtration;
The described method according to noise Intelligent adjustment volume in car, wherein, described step C comprises:
The vehicle-mounted horn volume reduced value that the level of noise automatic acquisition that C1, basis obtain is corresponding also contrasts with current vehicle-mounted horn volume value;
C2, when current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is elevated to described vehicle-mounted horn volume reduced value;
C3, when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is reduced to described vehicle-mounted horn volume reduced value.
The described method according to noise Intelligent adjustment volume in car, wherein, when user regulates vehicle-mounted loudspeaker sound value voluntarily, stops automatically regulating vehicle-mounted loudspeaker sound value function according to level of noise, separately needs to open by Operation system setting when opening this function.
The described method according to noise Intelligent adjustment volume in car, wherein, described preset time period is by user's sets itself.
According to the system of noise Intelligent adjustment volume in car, wherein, comprising:
Corresponding setting module, for presetting the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value;
Data acquisition module, for obtaining the level of noise in a train every preset time period;
The automatic adjustment module of volume, for when the level of noise obtained and current vehicle-mounted horn volume value do not meet corresponding relation, is that variable regulates vehicle-mounted loudspeaker sound value according to corresponding relation with level of noise.
The described system according to noise Intelligent adjustment volume in car, wherein, described data acquisition module comprises:
Audio signal acquiring unit, for obtaining audio signal in car;
Audio signal filters converting unit, for the level of noise be converted in current vehicle by filtration described audio signal.
The described system according to noise Intelligent adjustment volume in car, wherein, the automatic adjustment module of described volume comprises:
Contrast unit, for obtaining corresponding vehicle-mounted horn volume reduced value according to the level of noise obtained and contrasting with current vehicle-mounted horn volume value;
Vehicle-mounted horn volume elevation unit, for when current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, is elevated to described vehicle-mounted horn volume reduced value by current vehicle-mounted horn volume value;
Vehicle-mounted horn volume reduces unit, for when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is reduced to described vehicle-mounted horn volume reduced value.
The described system according to noise Intelligent adjustment volume in car, wherein, when user regulates vehicle-mounted loudspeaker sound value voluntarily, closes the automatic adjustment module of volume.
The described system according to noise Intelligent adjustment volume in car, wherein, described preset time period is by user's sets itself.
Beneficial effect: the present invention is by presetting the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value, audio signal in a train is obtained in preset time period, to filter and ADC is converted to level of noise in current vehicle according to be hindered by various band passband different from the frequency range of signal of noise, and according to the level of noise obtained, by the level of noise preset and the corresponding relation of vehicle-mounted loudspeaker sound value is convertible draws vehicle-mounted loudspeaker sound value reduced value, when current vehicle-mounted horn volume value is greater than reduced value, then reduction process is carried out to vehicle-mounted loudspeaker sound value, and when current vehicle-mounted horn volume value is less than reduced value, then increasing process is carried out to vehicle-mounted loudspeaker sound value, and when user regulates voluntarily, system will close regulatory function automatically, realize the vehicle-mounted loudspeaker sound value of Intelligent adjustment, user friendly experience.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps of the present invention according to the method for noise Intelligent adjustment volume in car.
Fig. 2 is the flow chart of steps of the present invention according to the step S102 of the method for noise Intelligent adjustment volume in car.
Fig. 3 is the flow chart of steps of the present invention according to the step S103 of the method for noise Intelligent adjustment volume in car.
Fig. 4 is the structured flowchart of the present invention according to the system of noise Intelligent adjustment volume in car.
Fig. 5 is the data acquisition module structured flowchart of the present invention according to the system of noise Intelligent adjustment volume in car.
Fig. 6 is the volume adjusting module structured flowchart of the present invention according to the system of noise Intelligent adjustment volume in car.
Embodiment
The invention provides a kind of method and system according to noise Intelligent adjustment volume in car, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Refer to Fig. 1, for the present invention is according to the flow chart of steps of the method for noise Intelligent adjustment volume in car, wherein, comprising:
S101, preset the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value; Described corresponding relation is take level of noise as the mapping relations of variable, namely when level of noise changes, has unique vehicle-mounted loudspeaker sound value corresponding with level of noise, and this corresponding relation user can sets itself, does not limit concrete function; In described step S101, level of noise during vehicle static environment can be considered as O(without any interfering noise), user can arrange the corresponding vehicle-mounted loudspeaker sound magnitude variations functional relation of different level of noise and preserve, level of noise can be transformed into corresponding vehicle-mounted loudspeaker sound value according to the functional relation of correspondence, and this corresponding vehicle-mounted loudspeaker sound value adjusts the vehicle-mounted horn volume reduced value of reference automatically as system;
S102, obtain the level of noise in a train every preset time period; Every preset time period, this preset time period user can preset, such as, can set every five minutes and obtain a level of noise.
S103, when obtain level of noise and current vehicle-mounted horn volume value do not meet corresponding relation time, be that variable regulates vehicle-mounted loudspeaker sound value according to corresponding relation with level of noise, step S101 is pre-set take level of noise as the functional relation of variable, when the current vehicle-mounted horn volume value obtained in step S102 and level of noise be not in functional relation, then according to corresponding relation, the vehicle-mounted loudspeaker sound value of corresponding adjustment.
The present invention is according to the method for noise Intelligent adjustment volume in car, preset the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value, such as when level of noise reaches 80 decibels, corresponding 80 lattice (supposing always to have 100 lattice can regulate) of vehicle-mounted loudspeaker sound value, each level of noise is to the reduced value that should have a vehicle-mounted horn volume, level of noise and current vehicle-mounted horn volume value in car is obtained every preset time period, wherein obtain level of noise in car, correspondence draws corresponding vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value and vehicle-mounted horn volume reduced value compare, make the adjustment of response, automatically vehicle-mounted loudspeaker sound value is regulated by level of noise.
Further, as shown in Figure 2, for the present invention is according to the flow chart of steps of the method step S102 of noise Intelligent adjustment volume in car, wherein, described step S102 comprises:
Audio signal in S201, acquisition car; In car, audio receiver receives the audio signal in car, all audio signals such as described audio signal comprises the noise in car, the sound that vehicle-mounted loudspeaker send.
S202, the level of noise described audio signal filtration treatment obtained in current vehicle; Audio receiver in car receives audio signal, and noise has different acoustic characteristics from other audio signals in car, utilizes noise different from the frequency range of signal, can be converted to the noise numerical value in current vehicle by various band passband resistance filtration and ADC.
Method according to noise Intelligent adjustment volume in car of the present invention, obtain the size of level of noise, first need to obtain audio signals all in car, by audio receiver in car storehouse, receive all audio signals in car storehouse, and then flow to audio signal filtration converting unit, according to acoustic characteristic, filtered audio conversion is drawn the size of level of noise.
Further, as shown in Figure 3, for the present invention is according to the flow chart of steps of the method step S103 of noise Intelligent adjustment volume in car, wherein, described step S103 comprises:
The level of noise that S301, basis obtain obtains corresponding vehicle-mounted horn volume reduced value and contrasts with current vehicle-mounted horn volume value; Preset the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value in step S101, after getting level of noise, the functional relation corresponding according to level of noise, draws the vehicle-mounted loudspeaker sound value corresponding with level of noise, i.e. vehicle-mounted horn volume reduced value.
S302, when current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is elevated to described vehicle-mounted horn volume reduced value.When current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, in order to not be subject to noise effect Consumer's Experience, need vehicle-mounted loudspeaker sound value to raise, the output amplitude increasing audio signal makes vehicle-mounted loudspeaker sound value increase to the equal value of corresponding vehicle-mounted horn volume reduced value.S303, when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is reduced to described vehicle-mounted horn volume reduced value, when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, need vehicle-mounted loudspeaker sound value to reduce, the output amplitude reducing audio signal makes vehicle-mounted loudspeaker sound value be reduced to the equal value of corresponding vehicle-mounted horn volume reduced value.
Method according to level of noise Intelligent adjustment volume in car of the present invention, it is the reduced value first obtaining vehicle-mounted horn volume according to the level of noise drawn according to correspondence according to level of noise size Intelligent adjustment vehicle-mounted horn volume concrete steps, the reduced value of the current vehicle-mounted horn volume value got and vehicle-mounted horn volume is compared, when current vehicle-mounted horn volume value is greater than the reduced value of vehicle-mounted horn volume, vehicle-mounted loudspeaker sound value is carried out reducing process, realizes the Intelligent adjustment of vehicle-mounted loudspeaker sound value.
The further described method according to noise Intelligent adjustment volume in car, wherein, when user regulates vehicle-mounted loudspeaker sound value voluntarily, stop automatically regulating vehicle-mounted loudspeaker sound value function according to level of noise, separately need to open by Operation system setting when opening this function.The present invention is according to the method for level of noise Intelligent adjustment volume in car, user can regulate the volume of vehicle-mounted loudspeaker voluntarily, after user regulates vehicle-mounted horn volume voluntarily, Intelligent adjustment function is closed, such as current being in travels night, other people are also had in car, now vehicle-mounted loudspeaker sound value can adjust according to level of noise by Intelligent adjustment, and vehicle-mounted horn volume frequently adjust can affect others have a rest, therefore now do not need to carry out Intelligent adjustment, close Intelligent adjustment function, when user needs to carry out Intelligent adjustment, open this function voluntarily by Operation system setting.
Further, the described method according to noise Intelligent adjustment volume in car, wherein, described preset time period is by user's sets itself, method according to noise Intelligent adjustment volume in car of the present invention, described preset time period user can its time span of sets itself, such as, can arrange every five seconds regulating and controlling once, or user needs to regulate in real time, preset time period can be arranged enough little.
Further, the present invention also provides a kind of system according to noise Intelligent adjustment volume in car, as shown in Figure 4, is the structured flowchart according to the system of noise Intelligent adjustment volume in car, wherein, comprises:
Corresponding setting module 100, for presetting the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value;
Data acquisition module 200, for obtaining level of noise in a train and current vehicle-mounted horn volume value every preset time period;
The automatic adjustment module 300 of volume, for when the level of noise obtained and current vehicle-mounted horn volume value do not meet corresponding relation, is that variable regulates vehicle-mounted loudspeaker sound value according to corresponding relation with level of noise.
Further, as shown in Figure 5, be the described data acquisition module structured flowchart according to the system of noise Intelligent adjustment volume in car, wherein, described data acquisition module 200 comprises:
Audio signal acquiring unit 201, for obtaining audio signal in car;
Audio signal filters converting unit 202, for receiving audio signal to the audio receiver in described car, utilizes noise different from the frequency range of signal, is obtained the level of noise in current vehicle by filtration conversion process.
Further, as shown in Figure 6, for the present invention is according to the volume adjusting module structured flowchart of the system of noise Intelligent adjustment volume in car, wherein, described volume adjusting module 300 comprises:
Contrast unit 301, for obtaining corresponding vehicle-mounted horn volume reduced value according to the level of noise obtained,
Vehicle-mounted horn volume elevation unit 302, for when current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, is elevated to described vehicle-mounted horn volume reduced value by current vehicle-mounted horn volume value.
Vehicle-mounted horn volume reduces unit 303, for when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is reduced to described vehicle-mounted horn volume reduced value.
The described system according to noise Intelligent adjustment volume in car, wherein, when user regulates vehicle-mounted loudspeaker sound value voluntarily, closes the automatic adjustment module of volume.
The described system according to noise Intelligent adjustment volume in car, wherein, described preset time period is by user's sets itself.
Of the present inventionly to describe in detail in method according to the operating process of the system modules of noise Intelligent adjustment volume in car, therefore do not repeat at this.
In sum, the present invention is by presetting level of noise and vehicle-mounted loudspeaker sound value corresponding relation, audio signal in car is obtained in preset time period, and then filter by audio frequency characteristic the level of noise that conversion process obtains in current vehicle, and according to the level of noise obtained, draw the reduced value of vehicle-mounted loudspeaker sound value, when current vehicle-mounted horn volume value is greater than reduced value, then reduction process is carried out to vehicle-mounted loudspeaker sound value, and when current vehicle-mounted horn volume value is less than reduced value, then increasing process is carried out to vehicle-mounted loudspeaker sound value, and when user regulates voluntarily, close automatic regulation function, realize the vehicle-mounted horn volume of Intelligent adjustment, user friendly experience.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (10)
1., according to the method for noise Intelligent adjustment volume in car, it is characterized in that, comprising:
A, preset the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value;
B, obtain the level of noise in a train every preset time period;
C, when obtain level of noise and current vehicle-mounted horn volume value do not meet corresponding relation time, be that variable regulates vehicle-mounted loudspeaker sound value according to corresponding relation with level of noise.
2., as claimed in claim 1 according to the method for noise Intelligent adjustment volume in car, it is characterized in that, described step B comprises:
Audio signal in B1, acquisition car;
B2, the level of noise that described audio signal is converted in current vehicle by filtration.
3., as claimed in claim 1 according to the method for noise Intelligent adjustment volume in car, it is characterized in that, described step C comprises:
The vehicle-mounted horn volume reduced value that the level of noise automatic acquisition that C1, basis obtain is corresponding also contrasts with current vehicle-mounted horn volume value;
C2, when current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is elevated to described vehicle-mounted horn volume reduced value;
C3, when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is reduced to described vehicle-mounted horn volume reduced value.
4. as claimed in claim 1 according to the method for noise Intelligent adjustment volume in car, it is characterized in that, when user regulates vehicle-mounted loudspeaker sound value voluntarily, stop automatically regulating vehicle-mounted loudspeaker sound value function according to level of noise, separately need to open by Operation system setting when opening this function.
5., as claimed in claim 1 according to the method for noise Intelligent adjustment volume in car, it is characterized in that, described preset time period is by user's sets itself.
6., according to the system of noise Intelligent adjustment volume in car, it is characterized in that, comprising:
Corresponding setting module, for presetting the corresponding relation of level of noise and vehicle-mounted loudspeaker sound value;
Data acquisition module, for obtaining level of noise in a train and current vehicle-mounted horn volume value every preset time period;
The automatic adjustment module of volume, for when the level of noise obtained and current vehicle-mounted horn volume value do not meet corresponding relation, is that variable regulates vehicle-mounted loudspeaker sound value according to corresponding relation with level of noise.
7., as claimed in claim 6 according to the system of noise Intelligent adjustment volume in car, it is characterized in that, described data acquisition module comprises:
Audio signal acquiring unit, for obtaining audio signal in car;
Audio signal filters converting unit, for the level of noise be converted in current vehicle by filtration described audio signal.
8., as claimed in claim 6 according to the system of noise Intelligent adjustment volume in car, it is characterized in that, described volume adjusting module comprises:
Contrast unit, for obtaining corresponding vehicle-mounted horn volume reduced value according to the level of noise obtained, and contrasts with current vehicle-mounted horn volume value;
Vehicle-mounted horn volume elevation unit, for when current vehicle-mounted horn volume value is lower than vehicle-mounted horn volume reduced value, is elevated to described vehicle-mounted horn volume reduced value by current vehicle-mounted horn volume value;
Vehicle-mounted horn volume reduces unit, for when current vehicle-mounted horn volume value is higher than vehicle-mounted horn volume reduced value, current vehicle-mounted horn volume value is reduced to described vehicle-mounted horn volume reduced value.
9. as claimed in claim 6 according to the system of noise Intelligent adjustment volume in car, it is characterized in that, when user regulates vehicle-mounted loudspeaker sound value voluntarily, close the automatic adjustment module of volume.
10., as claimed in claim 6 according to the system of noise Intelligent adjustment volume in car, it is characterized in that, described preset time period is by user's sets itself.
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| CN201410700527.5A CN104507003A (en) | 2014-11-28 | 2014-11-28 | A method and a system for adjusting a volume intelligently according to a noise in a vehicle |
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| CN201410700527.5A CN104507003A (en) | 2014-11-28 | 2014-11-28 | A method and a system for adjusting a volume intelligently according to a noise in a vehicle |
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| CN108827338A (en) * | 2018-06-06 | 2018-11-16 | Oppo广东移动通信有限公司 | Phonetic navigation method and Related product |
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| CN115755702A (en) * | 2022-11-16 | 2023-03-07 | 星河智联汽车科技有限公司 | Noise-based in-vehicle volume control method, device, equipment and storage medium |
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