CN104760544A - Vehicle radio volume automatic adjusting device, amusement system and vehicle - Google Patents
Vehicle radio volume automatic adjusting device, amusement system and vehicle Download PDFInfo
- Publication number
- CN104760544A CN104760544A CN201410007082.2A CN201410007082A CN104760544A CN 104760544 A CN104760544 A CN 104760544A CN 201410007082 A CN201410007082 A CN 201410007082A CN 104760544 A CN104760544 A CN 104760544A
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- Prior art keywords
- vehicle
- volume
- speed
- cassette player
- radio cassette
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R11/02—Arrangements for holding or mounting articles, not otherwise provided for for radio sets, television sets, telephones, or the like; Arrangement of controls thereof
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
- Circuit For Audible Band Transducer (AREA)
Abstract
The invention discloses a vehicle radio volume automatic adjusting device, an amusement system and a vehicle. The vehicle radio volume automatic adjusting device comprises a vehicle speed detecting unit, a control unit and a volume adjusting unit, wherein the vehicle speed detecting unit detects a vehicle speed of the vehicle, and sends the vehicle speed to the control unit; the control unit controls the volume adjusting unit according to the received vehicle speed, so that the volume adjusting unit adjusts an audio signal of a radio; and the volume adjusting unit transfers the adjusted audio signal to a speaker of the radio to adjust the volume of the speaker. According to the change of the vehicle speed, the radio can automatically adjust the volume of the speaker, so that passengers of the vehicle always can clearly hear the voice of the radio to prevent drivers from adjusting the volume in driving so as to guarantee the driving safety.
Description
Technical field
The present invention relates to vehicular field, more specifically, relate to a kind of vehicle radio cassette player apparatus for automatically regulating sound volume, entertainment systems and vehicle.
Background technology
The entertainment systems that current passenger vehicle uses is made up of radio cassette player, antenna, loud speaker and telltale, its mode of operation is: radio cassette player displaying video or audio file, by dedicated video line, vision signal is transported to telltale, by circuit, sound signal is transported to loud speaker, driver goes by the volume knob on manual shift radio cassette player the size regulating speaker volume.The entertainment systems of existing passenger vehicle, after driver regulates volume by the volume adjustment knob on radio cassette player, the sound size of loud speaker just remains unchanged, when low vehicle speeds, wind is made an uproar smaller, and the noise now in car is also very little, and the passengers on car can know the sound hearing loud speaker; But when car speed becomes large, wind is made an uproar and also and then increased, make the noise in car can along with increase, now passengers just cannot not hear the sound of loud speaker yet.
Summary of the invention
The present invention is intended at least to solve one of technical matters existed in prior art.For this reason, one object of the present invention is to propose a kind of vehicle radio cassette player apparatus for automatically regulating sound volume, entertainment systems and vehicle, according to the change of the speed of a motor vehicle, radio cassette player can regulate the size of speaker volume automatically, make the passengers on car clearly can hear the sound of loud speaker all the time, avoid the driver distraction in driving a vehicle to go to regulate volume, ensure travel safety.
The object of this invention is to provide a kind of vehicle radio cassette player apparatus for automatically regulating sound volume, entertainment systems and vehicle, according to the change of the speed of a motor vehicle, radio cassette player can regulate the size of speaker volume automatically, make the passengers on car clearly can hear the sound of loud speaker all the time, avoid the driver distraction in driving a vehicle to go to regulate volume, ensure travel safety.
To achieve these goals, the invention provides a kind of vehicle radio cassette player apparatus for automatically regulating sound volume, wherein, comprise Bus-Speed Monitoring unit, control unit and sound volume regulation unit, wherein: described Bus-Speed Monitoring unit is for detecting the speed of a motor vehicle of described vehicle and the speed of a motor vehicle of described vehicle being sent to described control unit; Described control unit is used for controlling described sound volume regulation unit according to the speed of a motor vehicle of the described vehicle received, thus makes described sound volume regulation unit regulate the sound signal of described radio cassette player; Described sound volume regulation unit is used for the loud speaker that the sound signal after by adjustment passes to described radio cassette player, thus regulates the size of described speaker volume.
Further, described control unit controls described sound volume regulation unit, the volume of described loud speaker is increased along with the increase of the described speed of a motor vehicle, reduces along with the reduction of the described speed of a motor vehicle.
Further, described control unit is micro controller system, described sound volume regulation unit is volume control circuit module, and described micro controller system is used for converting the vehicle speed pulse of described vehicle to electric signal and drives described volume control circuit module according to the corresponding relation of the radio cassette player volume preset and the speed of a motor vehicle.
Further, described micro controller system and volume control circuit module are installed in described radio cassette player.
Further, the corresponding relation of described radio cassette player volume and the speed of a motor vehicle is determined by following formula:
Noise in the radio cassette player volume=car × Lb+ speed of a motor vehicle × V
Lb-Noise figure
V-velocity coefficient
Further, also comprise noise measuring unit, this noise measuring unit is used for noise in inspection vehicle and noise in described car is sent to described control unit.
Further, described Bus-Speed Monitoring unit is car speed sensor.
Further, described Bus-Speed Monitoring unit comprises car speed sensor and combination instrument, described car speed sensor connects described combination instrument, and described combination instrument connects described micro controller system, and the vehicle speed signal that described car speed sensor detects passes to described micro controller system via described combination instrument.
In addition, the present invention also provides a kind of entertainment systems, and this entertainment systems comprises radio cassette player, and wherein, this entertainment systems also comprises above-mentioned vehicle radio cassette player apparatus for automatically regulating sound volume.
In addition, the present invention also provides a kind of vehicle, and wherein, this vehicle comprises above-mentioned entertainment systems.
Pass through technique scheme, a kind of vehicle radio cassette player apparatus for automatically regulating sound volume of the present invention, the volume of radio cassette player is automatic adjustment height along with the increase of the speed of a motor vehicle, automatically turn down along with the reduction of the speed of a motor vehicle, make the passengers on car clearly can hear the sound of loud speaker all the time, avoid the driver distraction in driving a vehicle to go to regulate volume, ensure travel safety.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the control unit calibration scale of the radio cassette player of certain model passenger vehicle;
Fig. 2 is a kind of example structure schematic diagram of vehicle radio cassette player apparatus for automatically regulating sound volume;
Fig. 3 is the another kind of example structure schematic diagram of vehicle radio cassette player apparatus for automatically regulating sound volume.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the present invention, is not limited to the present invention.
Noise in car is directly proportional with the speed of a motor vehicle, and speed is larger, and noise is larger, and the speed of a motor vehicle doubles, and noise will increase 6-10 decibel, and people's ear will not hear the sound of loud speaker under noisy environment, and the volume that radio cassette player exports is sufficiently large.Therefore, relation between noise in car that timing signal must consider under the speed of a motor vehicle, the different speed of a motor vehicle and this three of radio cassette player output volume is carried out to the control unit in radio cassette player, as the speed of a motor vehicle be 50km/h time, record noise in car and be approximately 70 decibels, then be demarcated as now radio cassette player and export the volume of 50%, the occupant now in car can hear the sound of radio cassette player.
The corresponding relation of radio cassette player volume and the speed of a motor vehicle is determined by following formula:
Noise in the radio cassette player volume=car × Lb+ speed of a motor vehicle × V
Lb-Noise figure
V-velocity coefficient
Due to the difference of manufacturing process and body insulation, in the vehicle of the different model car under the different speed of a motor vehicle, noise is also not identical, the control unit of radio cassette player must use psophometer to measure passenger vehicle and to get off in the different speed of a motor vehicle size of interior noise before demarcating, calculate Noise figure Ln and the velocity coefficient V of vehicle, the value of the Noise figure Ln calculated and velocity coefficient V is updated to the formula of the corresponding relation of radio cassette player volume and the speed of a motor vehicle, and this formula is prestored to the control unit of radio cassette player.
In an embodiment of the present invention, each value of noise in car under the different speed of a motor vehicle recorded is pre-deposited the control unit of radio cassette player, now, complete the demarcation of the control unit to radio cassette player, according to the formula of the corresponding relation of the radio cassette player volume be prestored in control unit and the speed of a motor vehicle, as long as the control unit of radio cassette player receives the different speed of a motor vehicle, just can control different radio cassette player volumes, because in advance each value of noise in the car under the different speed of a motor vehicle is pre-deposited the control unit of radio cassette player, noise measuring unit can be reduced accordingly, cost-saving.
Control unit as the radio cassette player to certain model passenger vehicle is demarcated, the control unit calibration scale of the radio cassette player of certain model passenger vehicle as shown in Figure 1, as shown in Figure 1, certain model passenger vehicle is when the speed of a motor vehicle is 55km/h, measuring noise in car with psophometer is 64 decibels, when the radio cassette player volume of certain model passenger vehicle is 65%, passenger vehicle occupant can hear radio cassette player sound, certain model passenger vehicle is when the speed of a motor vehicle is 85km/h, measuring noise in car with psophometer is 77 decibels, and when the radio cassette player volume of certain model passenger vehicle is 85%, passenger vehicle occupant can hear radio cassette player sound.
According to the formula of the corresponding relation of radio cassette player volume and the speed of a motor vehicle, and the data of certain model passenger vehicle in Fig. 1 can draw, the Noise figure Lb=0.7 of this model passenger vehicle, velocity coefficient V=0.36, the Noise figure Lb=0.7 calculated, velocity coefficient V=0.36 is updated to the formula of the corresponding relation of radio cassette player volume and the speed of a motor vehicle, and this formula is prestored to the control unit of radio cassette player.
Noise in the car of this model passenger vehicle under the different speed of a motor vehicle is measured with psophometer, each value of noise in car under the different speed of a motor vehicle recorded is pre-deposited the control unit of radio cassette player, now, complete the demarcation of the control unit of the radio cassette player to this model passenger vehicle, according to the formula of the corresponding relation of noise and radio cassette player volume and the speed of a motor vehicle in the car under the different speed of a motor vehicle be prestored in control unit, as long as the control unit of the radio cassette player of this model passenger vehicle receives the different speed of a motor vehicle, different radio cassette player volumes just can be controlled.
As shown in Figure 2, the invention provides a kind of vehicle radio cassette player apparatus for automatically regulating sound volume, comprise Bus-Speed Monitoring unit 3, carry out the control unit 2 of demarcation and sound volume regulation unit 6 as stated above, the speed of a motor vehicle of described vehicle is also sent to described control unit 2 by the speed of a motor vehicle of described Bus-Speed Monitoring unit 3 vehicle for detecting; Described control unit 2 for controlling described sound volume regulation unit 6 according to the speed of a motor vehicle of the described vehicle received, thus makes described sound volume regulation unit 6 regulate the sound signal of described radio cassette player; Described sound volume regulation unit 6 for the sound signal after adjustment being passed to the loud speaker 7 of described radio cassette player, thus regulates the size of described speaker volume 7.
Described control unit 2 controls described sound volume regulation unit 6, the volume of described loud speaker 7 is increased along with the increase of the described speed of a motor vehicle, reduce along with the reduction of the described speed of a motor vehicle, make the passengers on car clearly can hear the sound of loud speaker all the time, avoid the driver distraction in driving a vehicle to go to regulate volume, ensure travel safety.
Described control unit 2 is micro controller system, described sound volume regulation unit 6 is volume control circuit module, and described micro controller system is used for converting the vehicle speed pulse of described vehicle to electric signal and drives described volume control circuit module according to the corresponding relation of the radio cassette player volume preset and the speed of a motor vehicle.
Described micro controller system and volume control circuit module are installed in described radio cassette player 1, compact conformation.
Described control unit 2 is connected on Bus-Speed Monitoring unit 3, described Bus-Speed Monitoring unit 3 is car speed sensor, described Bus-Speed Monitoring unit 3 is directly connected to control unit 2 by rigid line, control unit 2 directly obtains vehicle speed signal from car speed sensor, control unit 2 converts vehicle speed signal to electric signal, control unit 2 is according to the formula of the corresponding relation of the radio cassette player volume set in advance and the speed of a motor vehicle and Che Nei noise, drive the volume control circuit module 6 in radio cassette player, sound signal after adjustment is passed to loud speaker 7 by volume control circuit module 6, thus regulate the size of loud speaker 7 volume, the volume of loud speaker 7 is automatic adjustment height along with the increase of the speed of a motor vehicle, automatically turn down along with the reduction of the speed of a motor vehicle, make the passengers on car clearly can hear the sound of loud speaker all the time, the driver distraction in driving a vehicle is avoided to go to regulate volume, ensure travel safety, because Bus-Speed Monitoring unit 3 is directly connected to control unit 2 by rigid line, reduce costs.
In another kind of embodiment as shown in Figure 2 or Figure 3, described Bus-Speed Monitoring unit 3 comprises car speed sensor 5 and combination instrument 4, described car speed sensor 5 connects described combination instrument 4, described combination instrument 4 connects described micro controller system, and the vehicle speed signal that described car speed sensor 5 detects passes to described micro controller system via described combination instrument 4.
Combination instrument 4 connects car speed sensor 5 by wire, combination instrument 4 adopts the Shielded Twisted Pair CAN meeting SAE J1939 standard to be connected to control unit 2, vehicle speed signal is sent to combination instrument 4 by car speed sensor 5, combination instrument 4 issues control unit 2 by CAN vehicle speed signal, control unit 2 converts vehicle speed signal to electric signal, control unit 2 is according to the formula of the corresponding relation of the radio cassette player volume set in advance and the speed of a motor vehicle and Che Nei noise, drive the volume control circuit module 6 in radio cassette player, sound signal after adjustment is passed to loud speaker 7 by volume control circuit module 6, thus regulate the size of loud speaker 7 volume, control unit 2 gathers the vehicle speed signal of combination instrument 4 by CAN, the vehicle speed signal gathered is more accurate.
In another kind of embodiment as shown in Figure 3, described vehicle radio cassette player apparatus for automatically regulating sound volume, also comprise noise measuring unit 8, this noise measuring unit 8 is for noise in inspection vehicle and noise in described car is sent to described control unit 2, to the demarcation of the control unit 2 of this embodiment, the formula of the corresponding relation of radio cassette player volume and the speed of a motor vehicle is updated in the value having calculated Noise figure Lb and velocity coefficient V, and this formula is prestored to the control unit of radio cassette player, do not need to measure in advance each value of noise in the car under the different speed of a motor vehicle and these values pre-deposited the control unit 2 of radio cassette player, just complete the demarcation to control unit 2, save the step that control unit 2 is demarcated, improve the efficiency that control unit 2 is demarcated.
Control unit 2 receives noise and the speed of a motor vehicle from Bus-Speed Monitoring unit 3 detection in the car from noise measuring unit 8, control unit 2 is according to the formula of the corresponding relation of the radio cassette player volume set in advance and the speed of a motor vehicle, single control unit 2 converts vehicle speed signal to electric signal, drive the volume control circuit module 6 in radio cassette player, sound signal after adjustment is passed to loud speaker 7 by volume control circuit module 6, thus regulates the size of loud speaker 7 volume.
The present invention also provides a kind of entertainment systems, and this entertainment systems comprises radio cassette player, and this entertainment systems also comprises according to above-mentioned vehicle radio cassette player apparatus for automatically regulating sound volume.
The present invention also provides a kind of vehicle, and this vehicle comprises above-mentioned entertainment systems.
Below the preferred embodiment of the present invention is described in detail by reference to the accompanying drawings; but; the present invention is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the present invention illustrates no longer separately to various possible array mode.
In addition, also can carry out combination in any between various different embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention, those having ordinary skill in the art will appreciate that: can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present invention and aim, scope of the present invention is by claim and equivalents thereof.
Claims (10)
1. a vehicle radio cassette player apparatus for automatically regulating sound volume, it is characterized in that, comprise Bus-Speed Monitoring unit, control unit and sound volume regulation unit, wherein: described Bus-Speed Monitoring unit is for detecting the speed of a motor vehicle of described vehicle and the speed of a motor vehicle of described vehicle being sent to described control unit; Described control unit is used for controlling described sound volume regulation unit according to the speed of a motor vehicle of the described vehicle received, thus makes described sound volume regulation unit regulate the sound signal of described radio cassette player; Described sound volume regulation unit is used for the loud speaker that the sound signal after by adjustment passes to described radio cassette player, thus regulates the size of described speaker volume.
2. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, described control unit controls described sound volume regulation unit, the volume of described loud speaker is increased along with the increase of the described speed of a motor vehicle, reduces along with the reduction of the described speed of a motor vehicle.
3. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, described control unit is micro controller system, described sound volume regulation unit is volume control circuit module, and described micro controller system is used for converting the vehicle speed pulse of described vehicle to electric signal and drives described volume control circuit module according to the corresponding relation of the radio cassette player volume preset and the speed of a motor vehicle.
4. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 3, it is characterized in that, described micro controller system and volume control circuit module are installed in described radio cassette player.
5. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 3, it is characterized in that, the corresponding relation of described radio cassette player volume and the speed of a motor vehicle is determined by following formula:
Noise in the radio cassette player volume=car × Lb+ speed of a motor vehicle × V
Lb-Noise figure
V-velocity coefficient.
6. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 5, is characterized in that, also comprise noise measuring unit, and this noise measuring unit is used for noise in inspection vehicle and noise in described car is sent to described control unit.
7. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, described Bus-Speed Monitoring unit is car speed sensor.
8. vehicle radio cassette player apparatus for automatically regulating sound volume as claimed in claim 1, it is characterized in that, described Bus-Speed Monitoring unit comprises car speed sensor and combination instrument, described car speed sensor connects described combination instrument, described combination instrument connects described micro controller system, and the vehicle speed signal that described car speed sensor detects passes to described micro controller system via described combination instrument.
9. an entertainment systems, this entertainment systems comprises radio cassette player, it is characterized in that, this entertainment systems also comprises according to the vehicle radio cassette player apparatus for automatically regulating sound volume in claim 1-8 described in any one.
10. a vehicle, is characterized in that, this vehicle comprises entertainment systems according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007082.2A CN104760544A (en) | 2014-01-07 | 2014-01-07 | Vehicle radio volume automatic adjusting device, amusement system and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007082.2A CN104760544A (en) | 2014-01-07 | 2014-01-07 | Vehicle radio volume automatic adjusting device, amusement system and vehicle |
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| Publication Number | Publication Date |
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| CN104760544A true CN104760544A (en) | 2015-07-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410007082.2A Pending CN104760544A (en) | 2014-01-07 | 2014-01-07 | Vehicle radio volume automatic adjusting device, amusement system and vehicle |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104507002A (en) * | 2014-11-21 | 2015-04-08 | 厦门雅迅网络股份有限公司 | Device and method for realizing automatic volume adjustment based on vehicle speed pulse detection |
| CN105811909A (en) * | 2016-03-30 | 2016-07-27 | 苏州合欣美电子科技有限公司 | Self-adaptive volume adjustment method for automobile player based on speed measurement |
| CN105835788A (en) * | 2016-03-28 | 2016-08-10 | 乐视控股（北京）有限公司 | Vehicle-mounted multimedia device volume setting method and device |
| CN105871349A (en) * | 2016-03-30 | 2016-08-17 | 苏州合欣美电子科技有限公司 | Self-adaptive volume adjustment method of automobile player |
| WO2019140752A1 (en) * | 2018-01-19 | 2019-07-25 | 广州市声鑫电子有限公司 | Car navigation system with wireless singing function and control method |
| CN110058275A (en) * | 2018-01-19 | 2019-07-26 | 广州市声鑫电子有限公司 | A kind of auto-navigation system and control method of the wireless K song function of band |
| CN113238730A (en) * | 2021-05-13 | 2021-08-10 | 科大讯飞股份有限公司 | In-vehicle volume adjusting method and device, electronic equipment and storage medium |
| CN114194128A (en) * | 2021-12-02 | 2022-03-18 | 广州小鹏汽车科技有限公司 | Vehicle volume control method, vehicle, and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104507002A (en) * | 2014-11-21 | 2015-04-08 | 厦门雅迅网络股份有限公司 | Device and method for realizing automatic volume adjustment based on vehicle speed pulse detection |
| CN105835788A (en) * | 2016-03-28 | 2016-08-10 | 乐视控股（北京）有限公司 | Vehicle-mounted multimedia device volume setting method and device |
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| CN110058275A (en) * | 2018-01-19 | 2019-07-26 | 广州市声鑫电子有限公司 | A kind of auto-navigation system and control method of the wireless K song function of band |
| CN113238730A (en) * | 2021-05-13 | 2021-08-10 | 科大讯飞股份有限公司 | In-vehicle volume adjusting method and device, electronic equipment and storage medium |
| CN113238730B (en) * | 2021-05-13 | 2024-06-07 | 科大讯飞股份有限公司 | In-vehicle volume adjustment method and device, electronic equipment and storage medium |
| CN114194128A (en) * | 2021-12-02 | 2022-03-18 | 广州小鹏汽车科技有限公司 | Vehicle volume control method, vehicle, and storage medium |
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Application publication date: 20150708 |